diff options
| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-01-24 14:27:22 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-01-24 14:27:22 +0000 |
| commit | 2c1a02debfb33819d3cf604f52a97f0e26247eaa (patch) | |
| tree | 46a0c64ece0482853bbd1f86f3432b88730ba507 /os/hal/ports/STM32 | |
| parent | 156a9e9fa71badb88476ac2bbc1219587ea8e7bb (diff) | |
| download | ChibiOS-2c1a02debfb33819d3cf604f52a97f0e26247eaa.tar.gz ChibiOS-2c1a02debfb33819d3cf604f52a97f0e26247eaa.tar.bz2 ChibiOS-2c1a02debfb33819d3cf604f52a97f0e26247eaa.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6644 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/ports/STM32')
77 files changed, 31146 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/STM32F0xx/adc_lld.c b/os/hal/ports/STM32/STM32F0xx/adc_lld.c new file mode 100644 index 000000000..9e95c0007 --- /dev/null +++ b/os/hal/ports/STM32/STM32F0xx/adc_lld.c @@ -0,0 +1,296 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F0xx/adc_lld.c
+ * @brief STM32F0xx ADC subsystem low level driver source.
+ *
+ * @addtogroup ADC
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_ADC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/** @brief ADC1 driver identifier.*/
+#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)
+ADCDriver ADCD1;
+#endif
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Stops an ongoing conversion, if any.
+ *
+ * @param[in] adc pointer to the ADC registers block
+ */
+static void adc_lld_stop_adc(ADC_TypeDef *adc) {
+
+ if (adc->CR & ADC_CR_ADSTART) {
+ adc->CR |= ADC_CR_ADSTP;
+ while (adc->CR & ADC_CR_ADSTP)
+ ;
+ }
+}
+
+/**
+ * @brief ADC DMA ISR service routine.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ * @param[in] flags pre-shifted content of the ISR register
+ */
+static void adc_lld_serve_rx_interrupt(ADCDriver *adcp, uint32_t flags) {
+
+ /* DMA errors handling.*/
+ if ((flags & (STM32_DMA_ISR_TEIF | STM32_DMA_ISR_DMEIF)) != 0) {
+ /* DMA, this could help only if the DMA tries to access an unmapped
+ address space or violates alignment rules.*/
+ _adc_isr_error_code(adcp, ADC_ERR_DMAFAILURE);
+ }
+ else {
+ /* It is possible that the conversion group has already be reset by the
+ ADC error handler, in this case this interrupt is spurious.*/
+ if (adcp->grpp != NULL) {
+ if ((flags & STM32_DMA_ISR_TCIF) != 0) {
+ /* Transfer complete processing.*/
+ _adc_isr_full_code(adcp);
+ }
+ else if ((flags & STM32_DMA_ISR_HTIF) != 0) {
+ /* Half transfer processing.*/
+ _adc_isr_half_code(adcp);
+ }
+ }
+ }
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)
+/**
+ * @brief ADC interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector70) {
+ uint32_t isr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ isr = ADC1->ISR;
+ ADC1->ISR = isr;
+
+ /* It could be a spurious interrupt caused by overflows after DMA disabling,
+ just ignore it in this case.*/
+ if (ADCD1.grpp != NULL) {
+ /* Note, an overflow may occur after the conversion ended before the driver
+ is able to stop the ADC, this is why the DMA channel is checked too.*/
+ if ((isr & ADC_ISR_OVR) &&
+ (dmaStreamGetTransactionSize(ADCD1.dmastp) > 0)) {
+ /* ADC overflow condition, this could happen only if the DMA is unable
+ to read data fast enough.*/
+ _adc_isr_error_code(&ADCD1, ADC_ERR_OVERFLOW);
+ }
+ if (isr & ADC_ISR_AWD) {
+ /* Analog watchdog error.*/
+ _adc_isr_error_code(&ADCD1, ADC_ERR_AWD);
+ }
+ }
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level ADC driver initialization.
+ *
+ * @notapi
+ */
+void adc_lld_init(void) {
+
+#if STM32_ADC_USE_ADC1
+ /* Driver initialization.*/
+ adcObjectInit(&ADCD1);
+ ADCD1.adc = ADC1;
+ ADCD1.dmastp = STM32_DMA1_STREAM1;
+ ADCD1.dmamode = STM32_DMA_CR_PL(STM32_ADC_ADC1_DMA_PRIORITY) |
+ STM32_DMA_CR_DIR_P2M |
+ STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
+#endif
+
+ /* The shared vector is initialized on driver initialization and never
+ disabled.*/
+ nvicEnableVector(12, STM32_ADC_IRQ_PRIORITY);
+
+ /* Calibration procedure.*/
+ rccEnableADC1(FALSE);
+ osalDbgAssert(ADC1->CR == 0, "invalid register state");
+ ADC1->CR |= ADC_CR_ADCAL;
+ while (ADC1->CR & ADC_CR_ADCAL)
+ ;
+ rccDisableADC1(FALSE);
+}
+
+/**
+ * @brief Configures and activates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_start(ADCDriver *adcp) {
+
+ /* If in stopped state then enables the ADC and DMA clocks.*/
+ if (adcp->state == ADC_STOP) {
+#if STM32_ADC_USE_ADC1
+ if (&ADCD1 == adcp) {
+ bool b;
+ b = dmaStreamAllocate(adcp->dmastp,
+ STM32_ADC_ADC1_DMA_IRQ_PRIORITY,
+ (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
+ (void *)adcp);
+ osalDbgAssert(!b, "stream already allocated");
+ dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR);
+ rccEnableADC1(FALSE);
+#if STM32_ADCSW == STM32_ADCSW_HSI14
+ /* Clock from HSI14, no need for jitter removal.*/
+ ADC1->CFGR2 = 0x00001000;
+#else
+#if STM32_ADCPRE == STM32_ADCPRE_DIV2
+ ADC1->CFGR2 = 0x00001000 | ADC_CFGR2_JITOFFDIV2;
+#else
+ ADC1->CFGR2 = 0x00001000 | ADC_CFGR2_JITOFFDIV4;
+#endif
+#endif
+ }
+#endif /* STM32_ADC_USE_ADC1 */
+
+ /* ADC initial setup, starting the analog part here in order to reduce
+ the latency when starting a conversion.*/
+ adcp->adc->CR = ADC_CR_ADEN;
+ while (!(adcp->adc->ISR & ADC_ISR_ADRDY))
+ ;
+ }
+}
+
+/**
+ * @brief Deactivates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_stop(ADCDriver *adcp) {
+
+ /* If in ready state then disables the ADC clock and analog part.*/
+ if (adcp->state == ADC_READY) {
+
+ dmaStreamRelease(adcp->dmastp);
+
+ /* Disabling ADC.*/
+ if (adcp->adc->CR & ADC_CR_ADEN) {
+ adc_lld_stop_adc(adcp->adc);
+ adcp->adc->CR |= ADC_CR_ADDIS;
+ while (adcp->adc->CR & ADC_CR_ADDIS)
+ ;
+ }
+
+#if STM32_ADC_USE_ADC1
+ if (&ADCD1 == adcp)
+ rccDisableADC1(FALSE);
+#endif
+ }
+}
+
+/**
+ * @brief Starts an ADC conversion.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_start_conversion(ADCDriver *adcp) {
+ uint32_t mode;
+ const ADCConversionGroup *grpp = adcp->grpp;
+
+ /* DMA setup.*/
+ mode = adcp->dmamode;
+ if (grpp->circular) {
+ mode |= STM32_DMA_CR_CIRC;
+ if (adcp->depth > 1) {
+ /* If circular buffer depth > 1, then the half transfer interrupt
+ is enabled in order to allow streaming processing.*/
+ mode |= STM32_DMA_CR_HTIE;
+ }
+ }
+ dmaStreamSetMemory0(adcp->dmastp, adcp->samples);
+ dmaStreamSetTransactionSize(adcp->dmastp, (uint32_t)grpp->num_channels *
+ (uint32_t)adcp->depth);
+ dmaStreamSetMode(adcp->dmastp, mode);
+ dmaStreamEnable(adcp->dmastp);
+
+ /* ADC setup, if it is defined a callback for the analog watch dog then it
+ is enabled.*/
+ adcp->adc->ISR = adcp->adc->ISR;
+ adcp->adc->IER = ADC_IER_OVRIE | ADC_IER_AWDIE;
+ adcp->adc->TR = grpp->tr;
+ adcp->adc->SMPR = grpp->smpr;
+ adcp->adc->CHSELR = grpp->chselr;
+
+ /* ADC configuration and start.*/
+ adcp->adc->CFGR1 = grpp->cfgr1 | ADC_CFGR1_CONT | ADC_CFGR1_DMACFG |
+ ADC_CFGR1_DMAEN;
+ adcp->adc->CR |= ADC_CR_ADSTART;
+}
+
+/**
+ * @brief Stops an ongoing conversion.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_stop_conversion(ADCDriver *adcp) {
+
+ dmaStreamDisable(adcp->dmastp);
+ adc_lld_stop_adc(adcp->adc);
+}
+
+#endif /* HAL_USE_ADC */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F0xx/adc_lld.h b/os/hal/ports/STM32/STM32F0xx/adc_lld.h new file mode 100644 index 000000000..bddb6453a --- /dev/null +++ b/os/hal/ports/STM32/STM32F0xx/adc_lld.h @@ -0,0 +1,329 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F0xx/adc_lld.h
+ * @brief STM32F0xx ADC subsystem low level driver header.
+ *
+ * @addtogroup ADC
+ * @{
+ */
+
+#ifndef _ADC_LLD_H_
+#define _ADC_LLD_H_
+
+#if HAL_USE_ADC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Sampling rates
+ * @{
+ */
+#define ADC_SMPR_SMP_1P5 0 /**< @brief 14 cycles conversion time */
+#define ADC_SMPR_SMP_7P5 1 /**< @brief 21 cycles conversion time. */
+#define ADC_SMPR_SMP_13P5 2 /**< @brief 28 cycles conversion time. */
+#define ADC_SMPR_SMP_28P5 3 /**< @brief 41 cycles conversion time. */
+#define ADC_SMPR_SMP_41P5 4 /**< @brief 54 cycles conversion time. */
+#define ADC_SMPR_SMP_55P5 5 /**< @brief 68 cycles conversion time. */
+#define ADC_SMPR_SMP_71P5 6 /**< @brief 84 cycles conversion time. */
+#define ADC_SMPR_SMP_239P5 7 /**< @brief 252 cycles conversion time. */
+/** @} */
+
+/**
+ * @name Resolution
+ * @{
+ */
+#define ADC_CFGR1_RES_12BIT (0 << 3)
+#define ADC_CFGR1_RES_10BIT (1 << 3)
+#define ADC_CFGR1_RES_8BIT (2 << 3)
+#define ADC_CFGR1_RES_6BIT (3 << 3)
+/** @} */
+
+/**
+ * @name Threashold register initializer
+ * @{
+ */
+#define ADC_TR(low, high) (((uint32_t)(high) << 16) | (uint32_t)(low))
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief ADC1 driver enable switch.
+ * @details If set to @p TRUE the support for ADC1 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(STM32_ADC_USE_ADC1) || defined(__DOXYGEN__)
+#define STM32_ADC_USE_ADC1 FALSE
+#endif
+
+/**
+ * @brief ADC1 DMA priority (0..3|lowest..highest).
+ */
+#if !defined(STM32_ADC_ADC1_DMA_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC1_DMA_PRIORITY 2
+#endif
+
+/**
+ * @brief ADC interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_IRQ_PRIORITY 2
+#endif
+
+/**
+ * @brief ADC1 DMA interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_ADC1_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 2
+#endif
+
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 && !STM32_HAS_ADC1
+#error "ADC1 not present in the selected device"
+#endif
+
+#if !STM32_ADC_USE_ADC1
+#error "ADC driver activated but no ADC peripheral assigned"
+#endif
+
+#if STM32_ADC_USE_ADC1 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to ADC1"
+#endif
+
+#if STM32_ADC_USE_ADC1 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC1_DMA_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to ADC1 DMA"
+#endif
+
+#if STM32_ADC_USE_ADC1 && \
+ !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC1_DMA_PRIORITY)
+#error "Invalid DMA priority assigned to ADC1"
+#endif
+
+#if !defined(STM32_DMA_REQUIRED)
+#define STM32_DMA_REQUIRED
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief ADC sample data type.
+ */
+typedef uint16_t adcsample_t;
+
+/**
+ * @brief Channels number in a conversion group.
+ */
+typedef uint16_t adc_channels_num_t;
+
+/**
+ * @brief Possible ADC failure causes.
+ * @note Error codes are architecture dependent and should not relied
+ * upon.
+ */
+typedef enum {
+ ADC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */
+ ADC_ERR_OVERFLOW = 1, /**< ADC overflow condition. */
+ ADC_ERR_AWD = 2 /**< Analog watchdog triggered. */
+} adcerror_t;
+
+/**
+ * @brief Type of a structure representing an ADC driver.
+ */
+typedef struct ADCDriver ADCDriver;
+
+/**
+ * @brief ADC notification callback type.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object triggering the
+ * callback
+ * @param[in] buffer pointer to the most recent samples data
+ * @param[in] n number of buffer rows available starting from @p buffer
+ */
+typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n);
+
+/**
+ * @brief ADC error callback type.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object triggering the
+ * callback
+ * @param[in] err ADC error code
+ */
+typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err);
+
+/**
+ * @brief Conversion group configuration structure.
+ * @details This implementation-dependent structure describes a conversion
+ * operation.
+ * @note The use of this configuration structure requires knowledge of
+ * STM32 ADC cell registers interface, please refer to the STM32
+ * reference manual for details.
+ */
+typedef struct {
+ /**
+ * @brief Enables the circular buffer mode for the group.
+ */
+ bool circular;
+ /**
+ * @brief Number of the analog channels belonging to the conversion group.
+ */
+ adc_channels_num_t num_channels;
+ /**
+ * @brief Callback function associated to the group or @p NULL.
+ */
+ adccallback_t end_cb;
+ /**
+ * @brief Error callback or @p NULL.
+ */
+ adcerrorcallback_t error_cb;
+ /* End of the mandatory fields.*/
+ /**
+ * @brief ADC CFGR1 register initialization data.
+ */
+ uint32_t cfgr1;
+ /**
+ * @brief ADC TR register initialization data.
+ */
+ uint32_t tr;
+ /**
+ * @brief ADC SMPR register initialization data.
+ */
+ uint32_t smpr;
+ /**
+ * @brief ADC CHSELR register initialization data.
+ * @details The number of bits at logic level one in this register must
+ * be equal to the number in the @p num_channels field.
+ */
+ uint32_t chselr;
+} ADCConversionGroup;
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+typedef struct {
+ uint32_t dummy;
+} ADCConfig;
+
+/**
+ * @brief Structure representing an ADC driver.
+ */
+struct ADCDriver {
+ /**
+ * @brief Driver state.
+ */
+ adcstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const ADCConfig *config;
+ /**
+ * @brief Current samples buffer pointer or @p NULL.
+ */
+ adcsample_t *samples;
+ /**
+ * @brief Current samples buffer depth or @p 0.
+ */
+ size_t depth;
+ /**
+ * @brief Current conversion group pointer or @p NULL.
+ */
+ const ADCConversionGroup *grpp;
+#if ADC_USE_WAIT || defined(__DOXYGEN__)
+ /**
+ * @brief Waiting thread.
+ */
+ thread_reference_t thread;
+#endif
+#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
+ /**
+ * @brief Mutex protecting the peripheral.
+ */
+ mutex_t mutex;
+#endif /* ADC_USE_MUTUAL_EXCLUSION */
+#if defined(ADC_DRIVER_EXT_FIELDS)
+ ADC_DRIVER_EXT_FIELDS
+#endif
+ /* End of the mandatory fields.*/
+ /**
+ * @brief Pointer to the ADCx registers block.
+ */
+ ADC_TypeDef *adc;
+ /**
+ * @brief Pointer to associated DMA channel.
+ */
+ const stm32_dma_stream_t *dmastp;
+ /**
+ * @brief DMA mode bit mask.
+ */
+ uint32_t dmamode;
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @brief Changes the value of the ADC CCR register.
+ * @details Use this function in order to enable or disable the internal
+ * analog sources. See the documentation in the STM32F0xx Reference
+ * Manual.
+ */
+#define adcSTM32SetCCR(ccr) (ADC->CCR = (ccr))
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 && !defined(__DOXYGEN__)
+extern ADCDriver ADCD1;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void adc_lld_init(void);
+ void adc_lld_start(ADCDriver *adcp);
+ void adc_lld_stop(ADCDriver *adcp);
+ void adc_lld_start_conversion(ADCDriver *adcp);
+ void adc_lld_stop_conversion(ADCDriver *adcp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_ADC */
+
+#endif /* _ADC_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F0xx/ext_lld_isr.c b/os/hal/ports/STM32/STM32F0xx/ext_lld_isr.c new file mode 100644 index 000000000..fb5100e8c --- /dev/null +++ b/os/hal/ports/STM32/STM32F0xx/ext_lld_isr.c @@ -0,0 +1,197 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F0xx/ext_lld_isr.c
+ * @brief STM32F0xx EXT subsystem low level driver ISR code.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+#include "ext_lld_isr.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/**
+ * @brief EXTI[0]...EXTI[1] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector54) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 0) | (1 << 1));
+ EXTI->PR = pr;
+ if (pr & (1 << 0))
+ EXTD1.config->channels[0].cb(&EXTD1, 0);
+ if (pr & (1 << 1))
+ EXTD1.config->channels[1].cb(&EXTD1, 1);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[2]...EXTI[3] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector58) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 2) | (1 << 3));
+ EXTI->PR = pr;
+ if (pr & (1 << 2))
+ EXTD1.config->channels[2].cb(&EXTD1, 2);
+ if (pr & (1 << 3))
+ EXTD1.config->channels[3].cb(&EXTD1, 3);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[4]...EXTI[15] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector5C) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 4) | (1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) |
+ (1 << 9) | (1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) |
+ (1 << 14) | (1 << 15));
+ EXTI->PR = pr;
+ if (pr & (1 << 4))
+ EXTD1.config->channels[4].cb(&EXTD1, 4);
+ if (pr & (1 << 5))
+ EXTD1.config->channels[5].cb(&EXTD1, 5);
+ if (pr & (1 << 6))
+ EXTD1.config->channels[6].cb(&EXTD1, 6);
+ if (pr & (1 << 7))
+ EXTD1.config->channels[7].cb(&EXTD1, 7);
+ if (pr & (1 << 8))
+ EXTD1.config->channels[8].cb(&EXTD1, 8);
+ if (pr & (1 << 9))
+ EXTD1.config->channels[9].cb(&EXTD1, 9);
+ if (pr & (1 << 10))
+ EXTD1.config->channels[10].cb(&EXTD1, 10);
+ if (pr & (1 << 11))
+ EXTD1.config->channels[11].cb(&EXTD1, 11);
+ if (pr & (1 << 12))
+ EXTD1.config->channels[12].cb(&EXTD1, 12);
+ if (pr & (1 << 13))
+ EXTD1.config->channels[13].cb(&EXTD1, 13);
+ if (pr & (1 << 14))
+ EXTD1.config->channels[14].cb(&EXTD1, 14);
+ if (pr & (1 << 15))
+ EXTD1.config->channels[15].cb(&EXTD1, 15);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[16] interrupt handler (PVD).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector44) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 16);
+ EXTD1.config->channels[16].cb(&EXTD1, 16);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[17] interrupt handler (RTC).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector48) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 17);
+ EXTD1.config->channels[17].cb(&EXTD1, 17);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Enables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_enable(void) {
+
+ nvicEnableVector(EXTI0_1_IRQn, STM32_EXT_EXTI0_1_IRQ_PRIORITY);
+ nvicEnableVector(EXTI2_3_IRQn, STM32_EXT_EXTI2_3_IRQ_PRIORITY);
+ nvicEnableVector(EXTI4_15_IRQn, STM32_EXT_EXTI4_15_IRQ_PRIORITY);
+ nvicEnableVector(PVD_IRQn, STM32_EXT_EXTI16_IRQ_PRIORITY);
+ nvicEnableVector(RTC_IRQn, STM32_EXT_EXTI17_IRQ_PRIORITY);
+}
+
+/**
+ * @brief Disables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_disable(void) {
+
+ nvicDisableVector(EXTI0_1_IRQn);
+ nvicDisableVector(EXTI2_3_IRQn);
+ nvicDisableVector(EXTI4_15_IRQn);
+ nvicDisableVector(PVD_IRQn);
+ nvicDisableVector(RTC_IRQn);
+}
+
+#endif /* HAL_USE_EXT */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F0xx/ext_lld_isr.h b/os/hal/ports/STM32/STM32F0xx/ext_lld_isr.h new file mode 100644 index 000000000..9885fbc65 --- /dev/null +++ b/os/hal/ports/STM32/STM32F0xx/ext_lld_isr.h @@ -0,0 +1,107 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F0xx/ext_lld_isr.h
+ * @brief STM32F0xx EXT subsystem low level driver ISR header.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#ifndef _EXT_LLD_ISR_H_
+#define _EXT_LLD_ISR_H_
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief EXTI0..1 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI0_1_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI0_1_IRQ_PRIORITY 3
+#endif
+
+/**
+ * @brief EXTI2..3 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI2_3_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI2_3_IRQ_PRIORITY 3
+#endif
+
+/**
+ * @brief EXTI4..15 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI4_15_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI4_15_IRQ_PRIORITY 3
+#endif
+
+/**
+ * @brief EXTI16 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI16_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI16_IRQ_PRIORITY 3
+#endif
+
+/**
+ * @brief EXTI17 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI17_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI17_IRQ_PRIORITY 3
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void ext_lld_exti_irq_enable(void);
+ void ext_lld_exti_irq_disable(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_EXT */
+
+#endif /* _EXT_LLD_ISR_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F0xx/hal_lld.c b/os/hal/ports/STM32/STM32F0xx/hal_lld.c new file mode 100644 index 000000000..9b6a85b91 --- /dev/null +++ b/os/hal/ports/STM32/STM32F0xx/hal_lld.c @@ -0,0 +1,199 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F0xx/hal_lld.c
+ * @brief STM32F0xx HAL subsystem low level driver source.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#include "hal.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Initializes the backup domain.
+ * @note WARNING! Changing clock source impossible without resetting
+ * of the whole BKP domain.
+ */
+static void hal_lld_backup_domain_init(void) {
+
+ /* Backup domain access enabled and left open.*/
+ PWR->CR |= PWR_CR_DBP;
+
+ /* Reset BKP domain if different clock source selected.*/
+ if ((RCC->BDCR & STM32_RTCSEL_MASK) != STM32_RTCSEL){
+ /* Backup domain reset.*/
+ RCC->BDCR = RCC_BDCR_BDRST;
+ RCC->BDCR = 0;
+ }
+
+ /* If enabled then the LSE is started.*/
+#if STM32_LSE_ENABLED
+#if defined(STM32_LSE_BYPASS)
+ /* LSE Bypass.*/
+ RCC->BDCR |= STM32_LSEDRV | RCC_BDCR_LSEON | RCC_BDCR_LSEBYP;
+#else
+ /* No LSE Bypass.*/
+ RCC->BDCR |= STM32_LSEDRV | RCC_BDCR_LSEON;
+#endif
+ while ((RCC->BDCR & RCC_BDCR_LSERDY) == 0)
+ ; /* Waits until LSE is stable. */
+#endif
+
+#if STM32_RTCSEL != STM32_RTCSEL_NOCLOCK
+ /* If the backup domain hasn't been initialized yet then proceed with
+ initialization.*/
+ if ((RCC->BDCR & RCC_BDCR_RTCEN) == 0) {
+ /* Selects clock source.*/
+ RCC->BDCR |= STM32_RTCSEL;
+
+ /* RTC clock enabled.*/
+ RCC->BDCR |= RCC_BDCR_RTCEN;
+ }
+#endif /* STM32_RTCSEL != STM32_RTCSEL_NOCLOCK */
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level HAL driver initialization.
+ *
+ * @notapi
+ */
+void hal_lld_init(void) {
+
+ /* Reset of all peripherals.*/
+ rccResetAPB1(0xFFFFFFFF);
+ rccResetAPB2(~RCC_APB2RSTR_DBGMCURST);
+
+ /* PWR clock enabled.*/
+ rccEnablePWRInterface(FALSE);
+
+ /* Initializes the backup domain.*/
+ hal_lld_backup_domain_init();
+
+#if defined(STM32_DMA_REQUIRED)
+ dmaInit();
+#endif
+
+ /* Programmable voltage detector enable.*/
+#if STM32_PVD_ENABLE
+ PWR->CR |= PWR_CR_PVDE | (STM32_PLS & STM32_PLS_MASK);
+#endif /* STM32_PVD_ENABLE */
+}
+
+/**
+ * @brief STM32 clocks and PLL initialization.
+ * @note All the involved constants come from the file @p board.h.
+ * @note This function should be invoked just after the system reset.
+ *
+ * @special
+ */
+void stm32_clock_init(void) {
+
+#if !STM32_NO_INIT
+ /* HSI setup, it enforces the reset situation in order to handle possible
+ problems with JTAG probes and re-initializations.*/
+ RCC->CR |= RCC_CR_HSION; /* Make sure HSI is ON. */
+ while (!(RCC->CR & RCC_CR_HSIRDY))
+ ; /* Wait until HSI is stable. */
+ RCC->CR &= RCC_CR_HSITRIM | RCC_CR_HSION; /* CR Reset value. */
+ RCC->CFGR = 0; /* CFGR reset value. */
+ while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI)
+ ; /* Waits until HSI is selected. */
+
+#if STM32_HSE_ENABLED
+ /* HSE activation.*/
+#if defined(STM32_HSE_BYPASS)
+ /* HSE Bypass.*/
+ RCC->CR |= RCC_CR_HSEON | RCC_CR_HSEBYP;
+#else
+ /* No HSE Bypass.*/
+ RCC->CR |= RCC_CR_HSEON;
+#endif
+ while (!(RCC->CR & RCC_CR_HSERDY))
+ ; /* Waits until HSE is stable. */
+#endif
+
+#if STM32_HSE14_ENABLED
+ /* HSI14 activation.*/
+ RCC->CR2 |= RCC_CR2_HSI14ON;
+ while (!(RCC->CR2 & RCC_CR2_HSI14RDY))
+ ; /* Waits until HSI14 is stable. */
+#endif
+
+#if STM32_LSI_ENABLED
+ /* LSI activation.*/
+ RCC->CSR |= RCC_CSR_LSION;
+ while ((RCC->CSR & RCC_CSR_LSIRDY) == 0)
+ ; /* Waits until LSI is stable. */
+#endif
+
+ /* Clock settings.*/
+ RCC->CFGR = STM32_MCOSEL | STM32_PLLMUL | STM32_PLLSRC |
+ STM32_ADCPRE | STM32_PPRE | STM32_HPRE;
+ RCC->CFGR2 = STM32_PREDIV;
+ RCC->CFGR3 = STM32_ADCSW | STM32_CECSW | STM32_I2C1SW |
+ STM32_USART1SW;
+
+#if STM32_ACTIVATE_PLL
+ /* PLL activation.*/
+ RCC->CR |= RCC_CR_PLLON;
+ while (!(RCC->CR & RCC_CR_PLLRDY))
+ ; /* Waits until PLL is stable. */
+#endif
+
+ /* Flash setup and final clock selection. */
+ FLASH->ACR = STM32_FLASHBITS;
+
+ /* Switching to the configured clock source if it is different from HSI.*/
+#if (STM32_SW != STM32_SW_HSI)
+ /* Switches clock source.*/
+ RCC->CFGR |= STM32_SW;
+ while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
+ ; /* Waits selection complete. */
+#endif
+
+ /* SYSCFG clock enabled here because it is a multi-functional unit shared
+ among multiple drivers.*/
+ rccEnableAPB2(RCC_APB2ENR_SYSCFGEN, TRUE);
+#endif /* !STM32_NO_INIT */
+}
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F0xx/hal_lld.h b/os/hal/ports/STM32/STM32F0xx/hal_lld.h new file mode 100644 index 000000000..044b13a37 --- /dev/null +++ b/os/hal/ports/STM32/STM32F0xx/hal_lld.h @@ -0,0 +1,791 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F0xx/hal_lld.h
+ * @brief STM32F0xx HAL subsystem low level driver header.
+ * @pre This module requires the following macros to be defined in the
+ * @p board.h file:
+ * - STM32_LSECLK.
+ * - STM32_LSEDRV.
+ * - STM32_LSE_BYPASS (optionally).
+ * - STM32_HSECLK.
+ * - STM32_HSE_BYPASS (optionally).
+ * .
+ * One of the following macros must also be defined:
+ * - STM32F030 for Value Line devices.
+ * - STM32F0XX_LD for Low Density devices.
+ * - STM32F0XX_MD for Medium Density devices.
+ * .
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _HAL_LLD_H_
+#define _HAL_LLD_H_
+
+#include "stm32_registry.h"
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Platform identification macros
+ * @{
+ */
+#if defined(STM32F0XX_MD) || defined(__DOXYGEN__)
+#define PLATFORM_NAME "STM32F051xx/F061xx Entry Level Medium Density devices"
+#define STM32F0XX
+
+#elif defined(STM32F0XX_LD)
+#define PLATFORM_NAME "STM32F050xx/F060xx Entry Level Low Density devices"
+#define STM32F0XX
+
+#elif defined(STM32F030)
+#define PLATFORM_NAME "STM32F050xx/F060xx Entry Level Value Line devices"
+#define STM32F0XX
+
+#else
+#error "STM32F0xx device not specified"
+#endif
+/** @} */
+
+/**
+ * @name Absolute Maximum Ratings
+ * @{
+ */
+/**
+ * @brief Maximum system clock frequency.
+ */
+#define STM32_SYSCLK_MAX 48000000
+
+/**
+ * @brief Maximum HSE clock frequency.
+ */
+#define STM32_HSECLK_MAX 32000000
+
+/**
+ * @brief Minimum HSE clock frequency.
+ */
+#define STM32_HSECLK_MIN 1000000
+
+/**
+ * @brief Maximum LSE clock frequency.
+ */
+#define STM32_LSECLK_MAX 1000000
+
+/**
+ * @brief Minimum LSE clock frequency.
+ */
+#define STM32_LSECLK_MIN 32768
+
+/**
+ * @brief Maximum PLLs input clock frequency.
+ */
+#define STM32_PLLIN_MAX 25000000
+
+/**
+ * @brief Minimum PLLs input clock frequency.
+ */
+#define STM32_PLLIN_MIN 1000000
+
+/**
+ * @brief Maximum PLL output clock frequency.
+ */
+#define STM32_PLLOUT_MAX 48000000
+
+/**
+ * @brief Minimum PLL output clock frequency.
+ */
+#define STM32_PLLOUT_MIN 16000000
+
+/**
+ * @brief Maximum APB clock frequency.
+ */
+#define STM32_PCLK_MAX 48000000
+
+/**
+ * @brief Maximum ADC clock frequency.
+ */
+#define STM32_ADCCLK_MAX 14000000
+/** @} */
+
+/**
+ * @name Internal clock sources
+ * @{
+ */
+#define STM32_HSICLK 8000000 /**< High speed internal clock. */
+#define STM32_HSI14CLK 14000000 /**< 14MHz speed internal clock.*/
+#define STM32_LSICLK 40000 /**< Low speed internal clock. */
+/** @} */
+
+/**
+ * @name PWR_CR register bits definitions
+ * @{
+ */
+#define STM32_PLS_MASK (7 << 5) /**< PLS bits mask. */
+#define STM32_PLS_LEV0 (0 << 5) /**< PVD level 0. */
+#define STM32_PLS_LEV1 (1 << 5) /**< PVD level 1. */
+#define STM32_PLS_LEV2 (2 << 5) /**< PVD level 2. */
+#define STM32_PLS_LEV3 (3 << 5) /**< PVD level 3. */
+#define STM32_PLS_LEV4 (4 << 5) /**< PVD level 4. */
+#define STM32_PLS_LEV5 (5 << 5) /**< PVD level 5. */
+#define STM32_PLS_LEV6 (6 << 5) /**< PVD level 6. */
+#define STM32_PLS_LEV7 (7 << 5) /**< PVD level 7. */
+/** @} */
+
+/**
+ * @name RCC_CFGR register bits definitions
+ * @{
+ */
+#define STM32_SW_HSI (0 << 0) /**< SYSCLK source is HSI. */
+#define STM32_SW_HSE (1 << 0) /**< SYSCLK source is HSE. */
+#define STM32_SW_PLL (2 << 0) /**< SYSCLK source is PLL. */
+
+#define STM32_HPRE_DIV1 (0 << 4) /**< SYSCLK divided by 1. */
+#define STM32_HPRE_DIV2 (8 << 4) /**< SYSCLK divided by 2. */
+#define STM32_HPRE_DIV4 (9 << 4) /**< SYSCLK divided by 4. */
+#define STM32_HPRE_DIV8 (10 << 4) /**< SYSCLK divided by 8. */
+#define STM32_HPRE_DIV16 (11 << 4) /**< SYSCLK divided by 16. */
+#define STM32_HPRE_DIV64 (12 << 4) /**< SYSCLK divided by 64. */
+#define STM32_HPRE_DIV128 (13 << 4) /**< SYSCLK divided by 128. */
+#define STM32_HPRE_DIV256 (14 << 4) /**< SYSCLK divided by 256. */
+#define STM32_HPRE_DIV512 (15 << 4) /**< SYSCLK divided by 512. */
+
+#define STM32_PPRE_DIV1 (0 << 8) /**< HCLK divided by 1. */
+#define STM32_PPRE_DIV2 (4 << 8) /**< HCLK divided by 2. */
+#define STM32_PPRE_DIV4 (5 << 8) /**< HCLK divided by 4. */
+#define STM32_PPRE_DIV8 (6 << 8) /**< HCLK divided by 8. */
+#define STM32_PPRE_DIV16 (7 << 8) /**< HCLK divided by 16. */
+
+#define STM32_ADCPRE_DIV2 (0 << 14) /**< PCLK divided by 2. */
+#define STM32_ADCPRE_DIV4 (1 << 14) /**< PCLK divided by 4. */
+
+#define STM32_PLLSRC_HSI (0 << 16) /**< PLL clock source is HSI. */
+#define STM32_PLLSRC_HSE (1 << 16) /**< PLL clock source is HSE. */
+
+#define STM32_MCOSEL_NOCLOCK (0 << 24) /**< No clock on MCO pin. */
+#define STM32_MCOSEL_HSI14 (3 << 24) /**< HSI14 clock on MCO pin. */
+#define STM32_MCOSEL_SYSCLK (4 << 24) /**< SYSCLK on MCO pin. */
+#define STM32_MCOSEL_HSI (5 << 24) /**< HSI clock on MCO pin. */
+#define STM32_MCOSEL_HSE (6 << 24) /**< HSE clock on MCO pin. */
+#define STM32_MCOSEL_PLLDIV2 (7 << 24) /**< PLL/2 clock on MCO pin. */
+/** @} */
+
+/**
+ * @name RCC_BDCR register bits definitions
+ * @{
+ */
+#define STM32_RTCSEL_MASK (3 << 8) /**< RTC clock source mask. */
+#define STM32_RTCSEL_NOCLOCK (0 << 8) /**< No clock. */
+#define STM32_RTCSEL_LSE (1 << 8) /**< LSE used as RTC clock. */
+#define STM32_RTCSEL_LSI (2 << 8) /**< LSI used as RTC clock. */
+#define STM32_RTCSEL_HSEDIV (3 << 8) /**< HSE divided by 32 used as
+ RTC clock. */
+/** @} */
+
+/**
+ * @name RCC_CFGR3 register bits definitions
+ * @{
+ */
+#define STM32_USART1SW_MASK (3 << 0) /**< USART1 clock source mask. */
+#define STM32_USART1SW_PCLK (0 << 0) /**< USART1 clock is PCLK. */
+#define STM32_USART1SW_SYSCLK (1 << 0) /**< USART1 clock is SYSCLK. */
+#define STM32_USART1SW_LSE (2 << 0) /**< USART1 clock is LSE. */
+#define STM32_USART1SW_HSI (3 << 0) /**< USART1 clock is HSI. */
+#define STM32_I2C1SW_MASK (1 << 4) /**< I2C clock source mask. */
+#define STM32_I2C1SW_HSI (0 << 4) /**< I2C clock is HSI. */
+#define STM32_I2C1SW_SYSCLK (1 << 4) /**< I2C clock is SYSCLK. */
+#define STM32_CECSW_MASK (1 << 6) /**< CEC clock source mask. */
+#define STM32_CECSW_HSI (0 << 6) /**< CEC clock is HSI/244. */
+#define STM32_CECSW_LSE (1 << 6) /**< CEC clock is LSE. */
+#define STM32_ADCSW_MASK (1 << 8) /**< ADC clock source mask. */
+#define STM32_ADCSW_HSI14 (0 << 8) /**< ADC clock is HSI14. */
+#define STM32_ADCSW_PCLK (1 << 8) /**< ADC clock is PCLK/2|4. */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief Disables the PWR/RCC initialization in the HAL.
+ */
+#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__)
+#define STM32_NO_INIT FALSE
+#endif
+
+/**
+ * @brief Enables or disables the programmable voltage detector.
+ */
+#if !defined(STM32_PVD_ENABLE) || defined(__DOXYGEN__)
+#define STM32_PVD_ENABLE FALSE
+#endif
+
+/**
+ * @brief Sets voltage level for programmable voltage detector.
+ */
+#if !defined(STM32_PLS) || defined(__DOXYGEN__)
+#define STM32_PLS STM32_PLS_LEV0
+#endif
+
+/**
+ * @brief Enables or disables the HSI clock source.
+ */
+#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__)
+#define STM32_HSI_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the HSI14 clock source.
+ */
+#if !defined(STM32_HSI14_ENABLED) || defined(__DOXYGEN__)
+#define STM32_HSI14_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the LSI clock source.
+ */
+#if !defined(STM32_LSI_ENABLED) || defined(__DOXYGEN__)
+#define STM32_LSI_ENABLED FALSE
+#endif
+
+/**
+ * @brief Enables or disables the HSE clock source.
+ */
+#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__)
+#define STM32_HSE_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the LSE clock source.
+ */
+#if !defined(STM32_LSE_ENABLED) || defined(__DOXYGEN__)
+#define STM32_LSE_ENABLED FALSE
+#endif
+
+/**
+ * @brief Main clock source selection.
+ * @note If the selected clock source is not the PLL then the PLL is not
+ * initialized and started.
+ * @note The default value is calculated for a 48MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_SW) || defined(__DOXYGEN__)
+#define STM32_SW STM32_SW_PLL
+#endif
+
+/**
+ * @brief Clock source for the PLL.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 48MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__)
+#define STM32_PLLSRC STM32_PLLSRC_HSE
+#endif
+
+/**
+ * @brief Crystal PLL pre-divider.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PREDIV_VALUE) || defined(__DOXYGEN__)
+#define STM32_PREDIV_VALUE 1
+#endif
+
+/**
+ * @brief PLL multiplier value.
+ * @note The allowed range is 2...16.
+ * @note The default value is calculated for a 48MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PLLMUL_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLMUL_VALUE 6
+#endif
+
+/**
+ * @brief AHB prescaler value.
+ * @note The default value is calculated for a 48MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_HPRE) || defined(__DOXYGEN__)
+#define STM32_HPRE STM32_HPRE_DIV1
+#endif
+
+/**
+ * @brief APB1 prescaler value.
+ */
+#if !defined(STM32_PPRE) || defined(__DOXYGEN__)
+#define STM32_PPRE STM32_PPRE_DIV1
+#endif
+
+/**
+ * @brief MCO pin setting.
+ */
+#if !defined(STM32_MCOSEL) || defined(__DOXYGEN__)
+#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK
+#endif
+
+/**
+ * @brief ADC prescaler value.
+ */
+#if !defined(STM32_ADCPRE) || defined(__DOXYGEN__)
+#define STM32_ADCPRE STM32_ADCPRE_DIV4
+#endif
+
+/**
+ * @brief ADC clock source.
+ */
+#if !defined(STM32_ADCSW) || defined(__DOXYGEN__)
+#define STM32_ADCSW STM32_ADCSW_HSI14
+#endif
+
+/**
+ * @brief CEC clock source.
+ */
+#if !defined(STM32_CECSW) || defined(__DOXYGEN__)
+#define STM32_CECSW STM32_CECSW_HSI
+#endif
+
+/**
+ * @brief I2C1 clock source.
+ */
+#if !defined(STM32_I2C1SW) || defined(__DOXYGEN__)
+#define STM32_I2C1SW STM32_I2C1SW_HSI
+#endif
+
+/**
+ * @brief USART1 clock source.
+ */
+#if !defined(STM32_USART1SW) || defined(__DOXYGEN__)
+#define STM32_USART1SW STM32_USART1SW_PCLK
+#endif
+
+/**
+ * @brief RTC clock source.
+ */
+#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
+#define STM32_RTCSEL STM32_RTCSEL_LSI
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*
+ * Configuration-related checks.
+ */
+#if !defined(STM32F0xx_MCUCONF)
+#error "Using a wrong mcuconf.h file, STM32F0xx_MCUCONF not defined"
+#endif
+
+/*
+ * HSI related checks.
+ */
+#if STM32_HSI_ENABLED
+#else /* !STM32_HSI_ENABLED */
+
+#if STM32_SW == STM32_SW_HSI
+#error "HSI not enabled, required by STM32_SW"
+#endif
+
+#if STM32_CECSW == STM32_CECSW_HSI
+#error "HSI not enabled, required by STM32_CECSW"
+#endif
+
+#if STM32_I2C1SW == STM32_I2C1SW_HSI
+#error "HSI not enabled, required by STM32_I2C1SW"
+#endif
+
+#if STM32_USART1SW == STM32_USART1SW_HSI
+#error "HSI not enabled, required by STM32_USART1SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI)
+#error "HSI not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCOSEL == STM32_MCOSEL_HSI) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSI))
+#error "HSI not enabled, required by STM32_MCOSEL"
+#endif
+
+#endif /* !STM32_HSI_ENABLED */
+
+/*
+ * HSI14 related checks.
+ */
+#if STM32_HSI14_ENABLED
+#else /* !STM32_HSI14_ENABLED */
+
+#if STM32_MCOSEL == STM32_MCOSEL_HSI14
+#error "HSI14 not enabled, required by STM32_MCOSEL"
+#endif
+
+#if STM32_ADCSW == STM32_ADCSW_HSI14
+#error "HSI14 not enabled, required by STM32_ADCSW"
+#endif
+
+#endif /* !STM32_HSI14_ENABLED */
+
+/*
+ * HSE related checks.
+ */
+#if STM32_HSE_ENABLED
+
+#if STM32_HSECLK == 0
+#error "HSE frequency not defined"
+#elif (STM32_HSECLK < STM32_HSECLK_MIN) || (STM32_HSECLK > STM32_HSECLK_MAX)
+#error "STM32_HSECLK outside acceptable range (STM32_HSECLK_MIN...STM32_HSECLK_MAX)"
+#endif
+
+#else /* !STM32_HSE_ENABLED */
+
+#if STM32_SW == STM32_SW_HSE
+#error "HSE not enabled, required by STM32_SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSE)
+#error "HSE not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCOSEL == STM32_MCOSEL_HSE) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSE))
+#error "HSE not enabled, required by STM32_MCOSEL"
+#endif
+
+#if STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#error "HSE not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_HSE_ENABLED */
+
+/*
+ * LSI related checks.
+ */
+#if STM32_LSI_ENABLED
+#else /* !STM32_LSI_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSI
+#error "LSI not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSI_ENABLED */
+
+/*
+ * LSE related checks.
+ */
+#if STM32_LSE_ENABLED
+
+#if (STM32_LSECLK == 0)
+#error "LSE frequency not defined"
+#endif
+
+#if (STM32_LSECLK < STM32_LSECLK_MIN) || (STM32_LSECLK > STM32_LSECLK_MAX)
+#error "STM32_LSECLK outside acceptable range (STM32_LSECLK_MIN...STM32_LSECLK_MAX)"
+#endif
+
+#if !defined(STM32_LSEDRV)
+#error "STM32_LSEDRV not defined"
+#endif
+
+#if (STM32_LSEDRV >> 3) > 3
+#error "STM32_LSEDRV outside acceptable range ((0<<3)...(3<<3))"
+#endif
+
+#if STM32_CECSW == STM32_CECSW_LSE
+#error "LSE not enabled, required by STM32_CECSW"
+#endif
+
+#if STM32_USART1SW == STM32_USART1SW_LSE
+#error "LSE not enabled, required by STM32_USART1SW"
+#endif
+
+#else /* !STM32_LSE_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSE
+#error "LSE not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSE_ENABLED */
+
+/* PLL activation conditions.*/
+#if (STM32_SW == STM32_SW_PLL) || \
+ (STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) || \
+ defined(__DOXYGEN__)
+/**
+ * @brief PLL activation flag.
+ */
+#define STM32_ACTIVATE_PLL TRUE
+#else
+#define STM32_ACTIVATE_PLL FALSE
+#endif
+
+/* HSE prescaler setting check.*/
+#if ((STM32_PREDIV_VALUE >= 1) || (STM32_PREDIV_VALUE <= 16))
+#define STM32_PREDIV ((STM32_PREDIV_VALUE - 1) << 0)
+#else
+#error "invalid STM32_PREDIV value specified"
+#endif
+
+/**
+ * @brief PLLMUL field.
+ */
+#if ((STM32_PLLMUL_VALUE >= 2) && (STM32_PLLMUL_VALUE <= 16)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLLMUL ((STM32_PLLMUL_VALUE - 2) << 18)
+#else
+#error "invalid STM32_PLLMUL_VALUE value specified"
+#endif
+
+/**
+ * @brief PLL input clock frequency.
+ */
+#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__)
+#define STM32_PLLCLKIN (STM32_HSECLK / STM32_PREDIV_VALUE)
+#elif STM32_PLLSRC == STM32_PLLSRC_HSI
+#define STM32_PLLCLKIN (STM32_HSICLK / 2)
+#else
+#error "invalid STM32_PLLSRC value specified"
+#endif
+
+/* PLL input frequency range check.*/
+#if (STM32_PLLCLKIN < STM32_PLLIN_MIN) || (STM32_PLLCLKIN > STM32_PLLIN_MAX)
+#error "STM32_PLLCLKIN outside acceptable range (STM32_PLLIN_MIN...STM32_PLLIN_MAX)"
+#endif
+
+/**
+ * @brief PLL output clock frequency.
+ */
+#define STM32_PLLCLKOUT (STM32_PLLCLKIN * STM32_PLLMUL_VALUE)
+
+/* PLL output frequency range check.*/
+#if (STM32_PLLCLKOUT < STM32_PLLOUT_MIN) || (STM32_PLLCLKOUT > STM32_PLLOUT_MAX)
+#error "STM32_PLLCLKOUT outside acceptable range (STM32_PLLOUT_MIN...STM32_PLLOUT_MAX)"
+#endif
+
+/**
+ * @brief System clock source.
+ */
+#if (STM32_SW == STM32_SW_PLL) || defined(__DOXYGEN__)
+#define STM32_SYSCLK STM32_PLLCLKOUT
+#elif (STM32_SW == STM32_SW_HSI)
+#define STM32_SYSCLK STM32_HSICLK
+#elif (STM32_SW == STM32_SW_HSE)
+#define STM32_SYSCLK STM32_HSECLK
+#else
+#error "invalid STM32_SW value specified"
+#endif
+
+/* Check on the system clock.*/
+#if STM32_SYSCLK > STM32_SYSCLK_MAX
+#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief AHB frequency.
+ */
+#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__)
+#define STM32_HCLK (STM32_SYSCLK / 1)
+#elif STM32_HPRE == STM32_HPRE_DIV2
+#define STM32_HCLK (STM32_SYSCLK / 2)
+#elif STM32_HPRE == STM32_HPRE_DIV4
+#define STM32_HCLK (STM32_SYSCLK / 4)
+#elif STM32_HPRE == STM32_HPRE_DIV8
+#define STM32_HCLK (STM32_SYSCLK / 8)
+#elif STM32_HPRE == STM32_HPRE_DIV16
+#define STM32_HCLK (STM32_SYSCLK / 16)
+#elif STM32_HPRE == STM32_HPRE_DIV64
+#define STM32_HCLK (STM32_SYSCLK / 64)
+#elif STM32_HPRE == STM32_HPRE_DIV128
+#define STM32_HCLK (STM32_SYSCLK / 128)
+#elif STM32_HPRE == STM32_HPRE_DIV256
+#define STM32_HCLK (STM32_SYSCLK / 256)
+#elif STM32_HPRE == STM32_HPRE_DIV512
+#define STM32_HCLK (STM32_SYSCLK / 512)
+#else
+#error "invalid STM32_HPRE value specified"
+#endif
+
+/* AHB frequency check.*/
+#if STM32_HCLK > STM32_SYSCLK_MAX
+#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief APB frequency.
+ */
+#if (STM32_PPRE == STM32_PPRE_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK (STM32_HCLK / 1)
+#elif STM32_PPRE == STM32_PPRE_DIV2
+#define STM32_PCLK (STM32_HCLK / 2)
+#elif STM32_PPRE == STM32_PPRE_DIV4
+#define STM32_PCLK (STM32_HCLK / 4)
+#elif STM32_PPRE == STM32_PPRE_DIV8
+#define STM32_PCLK (STM32_HCLK / 8)
+#elif STM32_PPRE == STM32_PPRE_DIV16
+#define STM32_PCLK (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE value specified"
+#endif
+
+/* APB frequency check.*/
+#if STM32_PCLK > STM32_PCLK_MAX
+#error "STM32_PCLK exceeding maximum frequency (STM32_PCLK_MAX)"
+#endif
+
+/**
+ * @brief RTC clock.
+ */
+#if (STM32_RTCSEL == STM32_RTCSEL_LSE) || defined(__DOXYGEN__)
+#define STM32_RTCCLK STM32_LSECLK
+#elif STM32_RTCSEL == STM32_RTCSEL_LSI
+#define STM32_RTCCLK STM32_LSICLK
+#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#define STM32_RTCCLK (STM32_HSECLK / 32)
+#elif STM32_RTCSEL == STM32_RTCSEL_NOCLOCK
+#define STM32_RTCCLK 0
+#else
+#error "invalid source selected for RTC clock"
+#endif
+
+/**
+ * @brief ADC frequency.
+ */
+#if STM32_ADCSW == STM32_ADCSW_HSI14
+#define STM32_ADCCLK STM32_HSI14CLK
+#elif STM32_ADCSW == STM32_ADCSW_PCLK
+#if (STM32_ADCPRE == STM32_ADCPRE_DIV2) || defined(__DOXYGEN__)
+#define STM32_ADCCLK (STM32_PCLK / 2)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV4
+#define STM32_ADCCLK (STM32_PCLK / 4)
+#else
+#error "invalid STM32_ADCPRE value specified"
+#endif
+#else
+#error "invalid source selected for ADC clock"
+#endif
+
+/* ADC frequency check.*/
+#if STM32_ADCCLK > STM32_ADCCLK_MAX
+#error "STM32_ADCCLK exceeding maximum frequency (STM32_ADCCLK_MAX)"
+#endif
+
+/**
+ * @brief CEC frequency.
+ */
+#if STM32_CECSW == STM32_CECSW_HSI
+#define STM32_CECCLK STM32_HSICLK
+#elif STM32_CECSW == STM32_CECSW_LSE
+#define STM32_CECCLK STM32_LSECLK
+#else
+#error "invalid source selected for CEC clock"
+#endif
+
+/**
+ * @brief I2C1 frequency.
+ */
+#if STM32_I2CSW == STM32_I2C1SW_HSI
+#define STM32_I2C1CLK STM32_HSICLK
+#elif STM32_I2CSW == STM32_I2C1SW_SYSCLK
+#define STM32_I2C1CLK STM32_SYSCLK
+#else
+#error "invalid source selected for I2C1 clock"
+#endif
+
+/**
+ * @brief USART1 frequency.
+ */
+#if STM32_USART1SW == STM32_USART1SW_PCLK
+#define STM32_USART1CLK STM32_PCLK
+#elif STM32_USART1SW == STM32_USART1SW_SYSCLK
+#define STM32_USART1CLK STM32_SYSCLK
+#elif STM32_USART1SW == STM32_USART1SW_LSECLK
+#define STM32_USART1CLK STM32_LSECLK
+#elif STM32_USART1SW == STM32_USART1SW_HSICLK
+#define STM32_USART1CLK STM32_HSICLK
+#else
+#error "invalid source selected for USART1 clock"
+#endif
+
+/**
+ * @brief USART2 frequency.
+ */
+#define STM32_USART2CLK STM32_PCLK
+
+/**
+ * @brief Timers clock.
+ */
+#if (STM32_PPRE == STM32_PPRE_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK1 (STM32_PCLK * 1)
+#define STM32_TIMCLK2 (STM32_PCLK * 1)
+#else
+#define STM32_TIMCLK1 (STM32_PCLK * 2)
+#define STM32_TIMCLK2 (STM32_PCLK * 2)
+#endif
+
+/**
+ * @brief Flash settings.
+ */
+#if (STM32_HCLK <= 24000000) || defined(__DOXYGEN__)
+#define STM32_FLASHBITS 0x00000010
+#else
+#define STM32_FLASHBITS 0x00000011
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/* Various helpers.*/
+#include "nvic.h"
+#include "stm32_isr.h"
+#include "stm32_dma.h"
+#include "stm32_rcc.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void hal_lld_init(void);
+ void stm32_clock_init(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _HAL_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F0xx/platform.mk b/os/hal/ports/STM32/STM32F0xx/platform.mk new file mode 100644 index 000000000..df5dbc321 --- /dev/null +++ b/os/hal/ports/STM32/STM32F0xx/platform.mk @@ -0,0 +1,28 @@ +# List of all the STM32F0xx platform files.
+PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
+ ${CHIBIOS}/os/hal/ports/STM32F0xx/stm32_dma.c \
+ ${CHIBIOS}/os/hal/ports/STM32F0xx/hal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32F0xx/adc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32F0xx/ext_lld_isr.c \
+ ${CHIBIOS}/os/hal/ports/STM32/ext_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv2/pal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv2/i2c_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv2/spi_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/gpt_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/icu_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/pwm_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/st_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv2/serial_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv2/uart_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USBv1/usb_lld.c
+
+# Required include directories
+PLATFORMINC = ${CHIBIOS}/os/hal/ports/common/ARMCMx \
+ ${CHIBIOS}/os/hal/ports/STM32F0xx \
+ ${CHIBIOS}/os/hal/ports/STM32 \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/USBv1
diff --git a/os/hal/ports/STM32/STM32F0xx/stm32_dma.c b/os/hal/ports/STM32/STM32F0xx/stm32_dma.c new file mode 100644 index 000000000..65419feba --- /dev/null +++ b/os/hal/ports/STM32/STM32F0xx/stm32_dma.c @@ -0,0 +1,291 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F0xx/stm32_dma.c
+ * @brief DMA helper driver code.
+ *
+ * @addtogroup STM32F0xx_DMA
+ * @details DMA sharing helper driver. In the STM32 the DMA streams are a
+ * shared resource, this driver allows to allocate and free DMA
+ * streams at runtime in order to allow all the other device
+ * drivers to coordinate the access to the resource.
+ * @note The DMA ISR handlers are all declared into this module because
+ * sharing, the various device drivers can associate a callback to
+ * ISRs when allocating streams.
+ * @{
+ */
+
+#include "hal.h"
+
+/* The following macro is only defined if some driver requiring DMA services
+ has been enabled.*/
+#if defined(STM32_DMA_REQUIRED) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/**
+ * @brief Mask of the DMA1 streams in @p dma_streams_mask.
+ */
+#define STM32_DMA1_STREAMS_MASK 0x0000007F
+
+/**
+ * @brief Mask of the DMA2 streams in @p dma_streams_mask.
+ */
+#define STM32_DMA2_STREAMS_MASK 0x00000F80
+
+/**
+ * @brief Post-reset value of the stream CCR register.
+ */
+#define STM32_DMA_CCR_RESET_VALUE 0x00000000
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA streams descriptors.
+ * @details This table keeps the association between an unique stream
+ * identifier and the involved physical registers.
+ * @note Don't use this array directly, use the appropriate wrapper macros
+ * instead: @p STM32_DMA1_STREAM1, @p STM32_DMA1_STREAM2 etc.
+ */
+const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS] = {
+ {DMA1_Channel1, &DMA1->IFCR, 0, 0, DMA1_Channel1_IRQn},
+ {DMA1_Channel2, &DMA1->IFCR, 4, 1, DMA1_Channel2_3_IRQn},
+ {DMA1_Channel3, &DMA1->IFCR, 8, 2, DMA1_Channel2_3_IRQn},
+ {DMA1_Channel4, &DMA1->IFCR, 12, 3, DMA1_Channel4_5_IRQn},
+ {DMA1_Channel5, &DMA1->IFCR, 16, 4, DMA1_Channel4_5_IRQn}
+};
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA ISR redirector type.
+ */
+typedef struct {
+ stm32_dmaisr_t dma_func; /**< @brief DMA callback function. */
+ void *dma_param; /**< @brief DMA callback parameter. */
+} dma_isr_redir_t;
+
+/**
+ * @brief Mask of the allocated streams.
+ */
+static uint32_t dma_streams_mask;
+
+/**
+ * @brief DMA IRQ redirectors.
+ */
+static dma_isr_redir_t dma_isr_redir[STM32_DMA_STREAMS];
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA1 stream 1 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector64) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 0) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 0;
+ if (dma_isr_redir[0].dma_func)
+ dma_isr_redir[0].dma_func(dma_isr_redir[0].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 streams 2 and 3 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector68) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ /* Check on channel 2.*/
+ flags = (DMA1->ISR >> 4) & STM32_DMA_ISR_MASK;
+ if (flags & STM32_DMA_ISR_MASK) {
+ DMA1->IFCR = flags << 4;
+ if (dma_isr_redir[1].dma_func)
+ dma_isr_redir[1].dma_func(dma_isr_redir[1].dma_param, flags);
+ }
+
+ /* Check on channel 3.*/
+ flags = (DMA1->ISR >> 8) & STM32_DMA_ISR_MASK;
+ if (flags & STM32_DMA_ISR_MASK) {
+ DMA1->IFCR = flags << 8;
+ if (dma_isr_redir[2].dma_func)
+ dma_isr_redir[2].dma_func(dma_isr_redir[2].dma_param, flags);
+ }
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 streams 4 and 5 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector6C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ /* Check on channel 4.*/
+ flags = (DMA1->ISR >> 12) & STM32_DMA_ISR_MASK;
+ if (flags & STM32_DMA_ISR_MASK) {
+ DMA1->IFCR = flags << 12;
+ if (dma_isr_redir[3].dma_func)
+ dma_isr_redir[3].dma_func(dma_isr_redir[3].dma_param, flags);
+ }
+
+ /* Check on channel 5.*/
+ flags = (DMA1->ISR >> 16) & STM32_DMA_ISR_MASK;
+ if (flags & STM32_DMA_ISR_MASK) {
+ DMA1->IFCR = flags << 16;
+ if (dma_isr_redir[4].dma_func)
+ dma_isr_redir[4].dma_func(dma_isr_redir[4].dma_param, flags);
+ }
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief STM32 DMA helper initialization.
+ *
+ * @init
+ */
+void dmaInit(void) {
+ int i;
+
+ dma_streams_mask = 0;
+ for (i = 0; i < STM32_DMA_STREAMS; i++) {
+ _stm32_dma_streams[i].channel->CCR = 0;
+ dma_isr_redir[i].dma_func = NULL;
+ }
+ DMA1->IFCR = 0xFFFFFFFF;
+}
+
+/**
+ * @brief Allocates a DMA stream.
+ * @details The stream is allocated and, if required, the DMA clock enabled.
+ * The function also enables the IRQ vector associated to the stream
+ * and initializes its priority.
+ * @pre The stream must not be already in use or an error is returned.
+ * @post The stream is allocated and the default ISR handler redirected
+ * to the specified function.
+ * @post The stream ISR vector is enabled and its priority configured.
+ * @post The stream must be freed using @p dmaStreamRelease() before it can
+ * be reused with another peripheral.
+ * @post The stream is in its post-reset state.
+ * @note This function can be invoked in both ISR or thread context.
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] priority IRQ priority mask for the DMA stream
+ * @param[in] func handling function pointer, can be @p NULL
+ * @param[in] param a parameter to be passed to the handling function
+ * @return The operation status.
+ * @retval FALSE no error, stream taken.
+ * @retval TRUE error, stream already taken.
+ *
+ * @special
+ */
+bool dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
+ uint32_t priority,
+ stm32_dmaisr_t func,
+ void *param) {
+
+ osalDbgCheck(dmastp != NULL);
+
+ /* Checks if the stream is already taken.*/
+ if ((dma_streams_mask & (1 << dmastp->selfindex)) != 0)
+ return TRUE;
+
+ /* Marks the stream as allocated.*/
+ dma_isr_redir[dmastp->selfindex].dma_func = func;
+ dma_isr_redir[dmastp->selfindex].dma_param = param;
+ dma_streams_mask |= (1 << dmastp->selfindex);
+
+ /* Enabling DMA clocks required by the current streams set.*/
+ if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) != 0)
+ rccEnableDMA1(FALSE);
+
+ /* Putting the stream in a safe state.*/
+ dmaStreamDisable(dmastp);
+ dmastp->channel->CCR = STM32_DMA_CCR_RESET_VALUE;
+
+ /* Enables the associated IRQ vector if a callback is defined.*/
+ if (func != NULL)
+ nvicEnableVector(dmastp->vector, priority);
+
+ return FALSE;
+}
+
+/**
+ * @brief Releases a DMA stream.
+ * @details The stream is freed and, if required, the DMA clock disabled.
+ * Trying to release a unallocated stream is an illegal operation
+ * and is trapped if assertions are enabled.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post The stream is again available.
+ * @note This function can be invoked in both ISR or thread context.
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+void dmaStreamRelease(const stm32_dma_stream_t *dmastp) {
+
+ osalDbgCheck(dmastp != NULL);
+
+ /* Check if the streams is not taken.*/
+ osalDbgAssert((dma_streams_mask & (1 << dmastp->selfindex)) != 0,
+ "not allocated");
+
+ /* Disables the associated IRQ vector.*/
+ nvicDisableVector(dmastp->vector);
+
+ /* Marks the stream as not allocated.*/
+ dma_streams_mask &= ~(1 << dmastp->selfindex);
+
+ /* Shutting down clocks that are no more required, if any.*/
+ if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) == 0)
+ rccDisableDMA1(FALSE);
+}
+
+#endif /* STM32_DMA_REQUIRED */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F0xx/stm32_dma.h b/os/hal/ports/STM32/STM32F0xx/stm32_dma.h new file mode 100644 index 000000000..3acff9647 --- /dev/null +++ b/os/hal/ports/STM32/STM32F0xx/stm32_dma.h @@ -0,0 +1,394 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F0xx/stm32_dma.h
+ * @brief DMA helper driver header.
+ * @note This file requires definitions from the ST header file stm32f0xx.h.
+ * @note This driver uses the new naming convention used for the STM32F2xx
+ * so the "DMA channels" are referred as "DMA streams".
+ *
+ * @addtogroup STM32F0xx_DMA
+ * @{
+ */
+
+#ifndef _STM32_DMA_H_
+#define _STM32_DMA_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Total number of DMA streams.
+ * @note This is the total number of streams among all the DMA units.
+ */
+#define STM32_DMA_STREAMS 5
+
+/**
+ * @brief Mask of the ISR bits passed to the DMA callback functions.
+ */
+#define STM32_DMA_ISR_MASK 0x0F
+
+/**
+ * @brief Returns the channel associated to the specified stream.
+ *
+ * @param[in] n the stream number (0...STM32_DMA_STREAMS-1)
+ * @param[in] c a stream/channel association word, one channel per
+ * nibble, not associated channels must be set to 0xF
+ * @return Always zero, in this platform there is no dynamic
+ * association between streams and channels.
+ */
+#define STM32_DMA_GETCHANNEL(n, c) 0
+
+/**
+ * @brief Checks if a DMA priority is within the valid range.
+ * @param[in] prio DMA priority
+ *
+ * @retval The check result.
+ * @retval FALSE invalid DMA priority.
+ * @retval TRUE correct DMA priority.
+ */
+#define STM32_DMA_IS_VALID_PRIORITY(prio) (((prio) >= 0) && ((prio) <= 3))
+
+/**
+ * @brief Returns an unique numeric identifier for a DMA stream.
+ *
+ * @param[in] dma the DMA unit number
+ * @param[in] stream the stream number
+ * @return An unique numeric stream identifier.
+ */
+#define STM32_DMA_STREAM_ID(dma, stream) ((stream) - 1)
+
+/**
+ * @brief Returns a DMA stream identifier mask.
+ *
+ *
+ * @param[in] dma the DMA unit number
+ * @param[in] stream the stream number
+ * @return A DMA stream identifier mask.
+ */
+#define STM32_DMA_STREAM_ID_MSK(dma, stream) \
+ (1 << STM32_DMA_STREAM_ID(dma, stream))
+
+/**
+ * @brief Checks if a DMA stream unique identifier belongs to a mask.
+ * @param[in] id the stream numeric identifier
+ * @param[in] mask the stream numeric identifiers mask
+ *
+ * @retval The check result.
+ * @retval FALSE id does not belong to the mask.
+ * @retval TRUE id belongs to the mask.
+ */
+#define STM32_DMA_IS_VALID_ID(id, mask) (((1 << (id)) & (mask)))
+
+/**
+ * @name DMA streams identifiers
+ * @{
+ */
+/**
+ * @brief Returns a pointer to a stm32_dma_stream_t structure.
+ *
+ * @param[in] id the stream numeric identifier
+ * @return A pointer to the stm32_dma_stream_t constant structure
+ * associated to the DMA stream.
+ */
+#define STM32_DMA_STREAM(id) (&_stm32_dma_streams[id])
+
+#define STM32_DMA1_STREAM1 STM32_DMA_STREAM(0)
+#define STM32_DMA1_STREAM2 STM32_DMA_STREAM(1)
+#define STM32_DMA1_STREAM3 STM32_DMA_STREAM(2)
+#define STM32_DMA1_STREAM4 STM32_DMA_STREAM(3)
+#define STM32_DMA1_STREAM5 STM32_DMA_STREAM(4)
+/** @} */
+
+/**
+ * @name CR register constants common to all DMA types
+ * @{
+ */
+#define STM32_DMA_CR_EN DMA_CCR_EN
+#define STM32_DMA_CR_TEIE DMA_CCR_TEIE
+#define STM32_DMA_CR_HTIE DMA_CCR_HTIE
+#define STM32_DMA_CR_TCIE DMA_CCR_TCIE
+#define STM32_DMA_CR_DIR_MASK (DMA_CCR_DIR | DMA_CCR_MEM2MEM)
+#define STM32_DMA_CR_DIR_P2M 0
+#define STM32_DMA_CR_DIR_M2P DMA_CCR_DIR
+#define STM32_DMA_CR_DIR_M2M DMA_CCR_MEM2MEM
+#define STM32_DMA_CR_CIRC DMA_CCR_CIRC
+#define STM32_DMA_CR_PINC DMA_CCR_PINC
+#define STM32_DMA_CR_MINC DMA_CCR_MINC
+#define STM32_DMA_CR_PSIZE_MASK DMA_CCR_PSIZE
+#define STM32_DMA_CR_PSIZE_BYTE 0
+#define STM32_DMA_CR_PSIZE_HWORD DMA_CCR_PSIZE_0
+#define STM32_DMA_CR_PSIZE_WORD DMA_CCR_PSIZE_1
+#define STM32_DMA_CR_MSIZE_MASK DMA_CCR_MSIZE
+#define STM32_DMA_CR_MSIZE_BYTE 0
+#define STM32_DMA_CR_MSIZE_HWORD DMA_CCR_MSIZE_0
+#define STM32_DMA_CR_MSIZE_WORD DMA_CCR_MSIZE_1
+#define STM32_DMA_CR_SIZE_MASK (STM32_DMA_CR_PSIZE_MASK | \
+ STM32_DMA_CR_MSIZE_MASK)
+#define STM32_DMA_CR_PL_MASK DMA_CCR_PL
+#define STM32_DMA_CR_PL(n) ((n) << 12)
+/** @} */
+
+/**
+ * @name CR register constants only found in enhanced DMA
+ * @{
+ */
+#define STM32_DMA_CR_DMEIE 0 /**< @brief Ignored by normal DMA. */
+#define STM32_DMA_CR_CHSEL_MASK 0 /**< @brief Ignored by normal DMA. */
+#define STM32_DMA_CR_CHSEL(n) 0 /**< @brief Ignored by normal DMA. */
+/** @} */
+
+/**
+ * @name Status flags passed to the ISR callbacks
+ * @{
+ */
+#define STM32_DMA_ISR_FEIF 0
+#define STM32_DMA_ISR_DMEIF 0
+#define STM32_DMA_ISR_TEIF DMA_ISR_TEIF1
+#define STM32_DMA_ISR_HTIF DMA_ISR_HTIF1
+#define STM32_DMA_ISR_TCIF DMA_ISR_TCIF1
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief STM32 DMA stream descriptor structure.
+ */
+typedef struct {
+ DMA_Channel_TypeDef *channel; /**< @brief Associated DMA channel. */
+ volatile uint32_t *ifcr; /**< @brief Associated IFCR reg. */
+ uint8_t ishift; /**< @brief Bits offset in xIFCR
+ register. */
+ uint8_t selfindex; /**< @brief Index to self in array. */
+ uint8_t vector; /**< @brief Associated IRQ vector. */
+} stm32_dma_stream_t;
+
+/**
+ * @brief STM32 DMA ISR function type.
+ *
+ * @param[in] p parameter for the registered function
+ * @param[in] flags pre-shifted content of the ISR register, the bits
+ * are aligned to bit zero
+ */
+typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags);
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Macro Functions
+ * @{
+ */
+/**
+ * @brief Associates a peripheral data register to a DMA stream.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] addr value to be written in the CPAR register
+ *
+ * @special
+ */
+#define dmaStreamSetPeripheral(dmastp, addr) { \
+ (dmastp)->channel->CPAR = (uint32_t)(addr); \
+}
+
+/**
+ * @brief Associates a memory destination to a DMA stream.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] addr value to be written in the CMAR register
+ *
+ * @special
+ */
+#define dmaStreamSetMemory0(dmastp, addr) { \
+ (dmastp)->channel->CMAR = (uint32_t)(addr); \
+}
+
+/**
+ * @brief Sets the number of transfers to be performed.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] size value to be written in the CNDTR register
+ *
+ * @special
+ */
+#define dmaStreamSetTransactionSize(dmastp, size) { \
+ (dmastp)->channel->CNDTR = (uint32_t)(size); \
+}
+
+/**
+ * @brief Returns the number of transfers to be performed.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @return The number of transfers to be performed.
+ *
+ * @special
+ */
+#define dmaStreamGetTransactionSize(dmastp) ((size_t)((dmastp)->channel->CNDTR))
+
+/**
+ * @brief Programs the stream mode settings.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] mode value to be written in the CCR register
+ *
+ * @special
+ */
+#define dmaStreamSetMode(dmastp, mode) { \
+ (dmastp)->channel->CCR = (uint32_t)(mode); \
+}
+
+/**
+ * @brief DMA stream enable.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamEnable(dmastp) { \
+ (dmastp)->channel->CCR |= STM32_DMA_CR_EN; \
+}
+
+/**
+ * @brief DMA stream disable.
+ * @details The function disables the specified stream and then clears any
+ * pending interrupt.
+ * @note This function can be invoked in both ISR or thread context.
+ * @note Interrupts enabling flags are set to zero after this call, see
+ * bug 3607518.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamDisable(dmastp) { \
+ (dmastp)->channel->CCR &= ~(STM32_DMA_CR_TCIE | STM32_DMA_CR_HTIE | \
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_EN); \
+ dmaStreamClearInterrupt(dmastp); \
+}
+
+/**
+ * @brief DMA stream interrupt sources clear.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamClearInterrupt(dmastp) { \
+ *(dmastp)->ifcr = STM32_DMA_ISR_MASK << (dmastp)->ishift; \
+}
+
+/**
+ * @brief Starts a memory to memory operation using the specified stream.
+ * @note The default transfer data mode is "byte to byte" but it can be
+ * changed by specifying extra options in the @p mode parameter.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] mode value to be written in the CCR register, this value
+ * is implicitly ORed with:
+ * - @p STM32_DMA_CR_MINC
+ * - @p STM32_DMA_CR_PINC
+ * - @p STM32_DMA_CR_DIR_M2M
+ * - @p STM32_DMA_CR_EN
+ * .
+ * @param[in] src source address
+ * @param[in] dst destination address
+ * @param[in] n number of data units to copy
+ */
+#define dmaStartMemCopy(dmastp, mode, src, dst, n) { \
+ dmaStreamSetPeripheral(dmastp, src); \
+ dmaStreamSetMemory0(dmastp, dst); \
+ dmaStreamSetTransactionSize(dmastp, n); \
+ dmaStreamSetMode(dmastp, (mode) | \
+ STM32_DMA_CR_MINC | STM32_DMA_CR_PINC | \
+ STM32_DMA_CR_DIR_M2M | STM32_DMA_CR_EN); \
+}
+
+/**
+ * @brief Polled wait for DMA transfer end.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ */
+#define dmaWaitCompletion(dmastp) { \
+ while ((dmastp)->channel->CNDTR > 0) \
+ ; \
+ dmaStreamDisable(dmastp); \
+}
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+extern const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS];
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void dmaInit(void);
+ bool dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
+ uint32_t priority,
+ stm32_dmaisr_t func,
+ void *param);
+ void dmaStreamRelease(const stm32_dma_stream_t *dmastp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _STM32_DMA_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F0xx/stm32_isr.h b/os/hal/ports/STM32/STM32F0xx/stm32_isr.h new file mode 100644 index 000000000..52421a4d5 --- /dev/null +++ b/os/hal/ports/STM32/STM32F0xx/stm32_isr.h @@ -0,0 +1,91 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F0xx/stm32_isr.h
+ * @brief ISR remapper driver header.
+ *
+ * @addtogroup STM32F0xx_ISR
+ * @{
+ */
+
+#ifndef _STM32_ISR_H_
+#define _STM32_ISR_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name ISR names and numbers remapping
+ * @{
+ */
+
+/*
+ * I2C units.
+ */
+#define STM32_I2C1_GLOBAL_HANDLER Vector9C
+#define STM32_I2C1_GLOBAL_NUMBER 23
+
+#define STM32_I2C2_GLOBAL_HANDLER VectorA0
+#define STM32_I2C2_GLOBAL_NUMBER 24
+
+/*
+ * TIM units.
+ */
+#define STM32_TIM1_UP_HANDLER Vector74
+#define STM32_TIM1_CC_HANDLER Vector78
+#define STM32_TIM2_HANDLER Vector7C
+#define STM32_TIM3_HANDLER Vector80
+
+#define STM32_TIM1_UP_NUMBER 13
+#define STM32_TIM1_CC_NUMBER 14
+#define STM32_TIM2_NUMBER 15
+#define STM32_TIM3_NUMBER 16
+
+/*
+ * USART units.
+ */
+#define STM32_USART1_HANDLER VectorAC
+#define STM32_USART2_HANDLER VectorB0
+
+#define STM32_USART1_NUMBER 27
+#define STM32_USART2_NUMBER 28
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#endif /* _STM32_ISR_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F0xx/stm32_rcc.h b/os/hal/ports/STM32/STM32F0xx/stm32_rcc.h new file mode 100644 index 000000000..88e47f2c0 --- /dev/null +++ b/os/hal/ports/STM32/STM32F0xx/stm32_rcc.h @@ -0,0 +1,596 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F0xx/stm32_rcc.h
+ * @brief RCC helper driver header.
+ * @note This file requires definitions from the ST header file
+ * @p stm32f0xx.h.
+ *
+ * @addtogroup STM32F0xx_RCC
+ * @{
+ */
+
+#ifndef _STM32_RCC_
+#define _STM32_RCC_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Generic RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the clock of one or more peripheral on the APB1 bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB1(mask, lp) { \
+ RCC->APB1ENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB1 bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB1(mask, lp) { \
+ RCC->APB1ENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAPB1(mask) { \
+ RCC->APB1RSTR |= (mask); \
+ RCC->APB1RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the APB2 bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB2(mask, lp) { \
+ RCC->APB2ENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB2 bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB2(mask, lp) { \
+ RCC->APB2ENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAPB2(mask) { \
+ RCC->APB2RSTR |= (mask); \
+ RCC->APB2RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the AHB bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask AHB peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAHB(mask, lp) { \
+ RCC->AHBENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the AHB bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask AHB peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAHB(mask, lp) { \
+ RCC->AHBENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the AHB bus.
+ *
+ * @param[in] mask AHB peripherals mask
+ *
+ * @api
+ */
+#define rccResetAHB(mask) { \
+ RCC->AHBRSTR |= (mask); \
+ RCC->AHBRSTR = 0; \
+}
+/** @} */
+
+/**
+ * @name ADC peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the ADC1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableADC1(lp) rccEnableAPB2(RCC_APB2ENR_ADC1EN, lp)
+
+/**
+ * @brief Disables the ADC1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableADC1(lp) rccDisableAPB2(RCC_APB2ENR_ADC1EN, lp)
+
+/**
+ * @brief Resets the ADC1 peripheral.
+ *
+ * @api
+ */
+#define rccResetADC1() rccResetAPB2(RCC_APB2RSTR_ADC1RST)
+/** @} */
+
+/**
+ * @name PWR interface specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the PWR interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnablePWRInterface(lp) rccEnableAPB1(RCC_APB1ENR_PWREN, lp)
+
+/**
+ * @brief Disables PWR interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisablePWRInterface(lp) rccDisableAPB1(RCC_APB1ENR_PWREN, lp)
+
+/**
+ * @brief Resets the PWR interface.
+ *
+ * @api
+ */
+#define rccResetPWRInterface() rccResetAPB1(RCC_APB1RSTR_PWRRST)
+/** @} */
+
+/**
+ * @name DMA peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the DMA1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableDMA1(lp) rccEnableAHB(RCC_AHBENR_DMA1EN, lp)
+
+/**
+ * @brief Disables the DMA1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableDMA1(lp) rccDisableAHB(RCC_AHBENR_DMA1EN, lp)
+
+/**
+ * @brief Resets the DMA1 peripheral.
+ * @note Not supported in this family, does nothing.
+ *
+ * @api
+ */
+#define rccResetDMA1()
+/** @} */
+
+/**
+ * @name I2C peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the I2C1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C1(lp) rccEnableAPB1(RCC_APB1ENR_I2C1EN, lp)
+
+/**
+ * @brief Disables the I2C1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableI2C1(lp) rccDisableAPB1(RCC_APB1ENR_I2C1EN, lp)
+
+/**
+ * @brief Resets the I2C1 peripheral.
+ *
+ * @api
+ */
+#define rccResetI2C1() rccResetAPB1(RCC_APB1RSTR_I2C1RST)
+
+/**
+ * @brief Enables the I2C2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C2(lp) rccEnableAPB1(RCC_APB1ENR_I2C2EN, lp)
+
+/**
+ * @brief Disables the I2C2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableI2C2(lp) rccDisableAPB1(RCC_APB1ENR_I2C2EN, lp)
+
+/**
+ * @brief Resets the I2C2 peripheral.
+ *
+ * @api
+ */
+#define rccResetI2C2() rccResetAPB1(RCC_APB1RSTR_I2C2RST)
+/** @} */
+
+/**
+ * @name SPI peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the SPI1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI1(lp) rccEnableAPB2(RCC_APB2ENR_SPI1EN, lp)
+
+/**
+ * @brief Disables the SPI1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI1(lp) rccDisableAPB2(RCC_APB2ENR_SPI1EN, lp)
+
+/**
+ * @brief Resets the SPI1 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI1() rccResetAPB2(RCC_APB2RSTR_SPI1RST)
+
+/**
+ * @brief Enables the SPI2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI2(lp) rccEnableAPB1(RCC_APB1ENR_SPI2EN, lp)
+
+/**
+ * @brief Disables the SPI2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI2(lp) rccDisableAPB1(RCC_APB1ENR_SPI2EN, lp)
+
+/**
+ * @brief Resets the SPI2 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI2() rccResetAPB1(RCC_APB1RSTR_SPI2RST)
+/** @} */
+
+/**
+ * @name TIM peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the TIM1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM1(lp) rccEnableAPB2(RCC_APB2ENR_TIM1EN, lp)
+
+/**
+ * @brief Disables the TIM1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM1(lp) rccDisableAPB2(RCC_APB2ENR_TIM1EN, lp)
+
+/**
+ * @brief Resets the TIM1 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM1() rccResetAPB2(RCC_APB2RSTR_TIM1RST)
+
+/**
+ * @brief Enables the TIM2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM2(lp) rccEnableAPB1(RCC_APB1ENR_TIM2EN, lp)
+
+/**
+ * @brief Disables the TIM2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM2(lp) rccDisableAPB1(RCC_APB1ENR_TIM2EN, lp)
+
+/**
+ * @brief Resets the TIM2 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM2() rccResetAPB1(RCC_APB1RSTR_TIM2RST)
+
+/**
+ * @brief Enables the TIM3 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM3(lp) rccEnableAPB1(RCC_APB1ENR_TIM3EN, lp)
+
+/**
+ * @brief Disables the TIM3 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM3(lp) rccDisableAPB1(RCC_APB1ENR_TIM3EN, lp)
+
+/**
+ * @brief Resets the TIM3 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM3() rccResetAPB1(RCC_APB1RSTR_TIM3RST)
+/** @} */
+
+/**
+ * @name USART/UART peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the USART1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART1(lp) rccEnableAPB2(RCC_APB2ENR_USART1EN, lp)
+
+/**
+ * @brief Disables the USART1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART1(lp) rccDisableAPB2(RCC_APB2ENR_USART1EN, lp)
+
+/**
+ * @brief Resets the USART1 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART1() rccResetAPB2(RCC_APB2RSTR_USART1RST)
+
+/**
+ * @brief Enables the USART2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART2(lp) rccEnableAPB1(RCC_APB1ENR_USART2EN, lp)
+
+/**
+ * @brief Disables the USART2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART2(lp) rccDisableAPB1(RCC_APB1ENR_USART2EN, lp)
+
+/**
+ * @brief Resets the USART2 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART2() rccResetAPB1(RCC_APB1RSTR_USART2RST)
+
+/**
+ * @brief Enables the CRC peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableCRC(lp) rccEnableAHB(RCC_AHBENR_CRCEN, lp)
+
+/**
+ * @brief Disables the CRC peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableCRC(lp) rccDisableAHB(RCC_AHBENR_CRCEN, lp)
+
+/**
+ * @brief Resets the CRC peripheral.
+ *
+ * @api
+ */
+#define rccResetCRC() rccResetAHB(RCC_AHBRSTR_CRCRST)
+
+/**
+ * @brief Enables the WWDG peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableWWDG(lp) rccEnableAPB1(RCC_APB1ENR_WWDGEN, lp)
+
+/**
+ * @brief Disables the WWDG peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableWWDG(lp) rccDisableAPB1(RCC_APB1ENR_WWDGEN, lp)
+
+/**
+ * @brief Resets the WWDG peripheral.
+ *
+ * @api
+ */
+#define rccResetWWDG() rccResetAPB1(RCC_APB1RSTR_WWDGRST)
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _STM32_RCC_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F0xx/stm32_registry.h b/os/hal/ports/STM32/STM32F0xx/stm32_registry.h new file mode 100644 index 000000000..4f738859b --- /dev/null +++ b/os/hal/ports/STM32/STM32F0xx/stm32_registry.h @@ -0,0 +1,426 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F0xx/stm32_registry.h
+ * @brief STM32F0xx capabilities registry.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _STM32_REGISTRY_H_
+#define _STM32_REGISTRY_H_
+
+/*===========================================================================*/
+/* Platform capabilities. */
+/*===========================================================================*/
+
+/**
+ * @name STM32F0xx capabilities
+ * @{
+ */
+#if defined(STM32F0XX_MD) || defined(__DOXYGEN__)
+
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 FALSE
+#define STM32_HAS_ADC3 FALSE
+#define STM32_HAS_ADC4 FALSE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 FALSE
+#define STM32_HAS_CAN2 FALSE
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC TRUE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA FALSE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 FALSE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH FALSE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 28
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD TRUE
+#define STM32_HAS_GPIOE FALSE
+#define STM32_HAS_GPIOF TRUE
+#define STM32_HAS_GPIOG FALSE
+#define STM32_HAS_GPIOH FALSE
+#define STM32_HAS_GPIOI FALSE
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_I2C2 TRUE
+#define STM32_I2C_I2C2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_I2C_I2C2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_I2C3 FALSE
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#define STM32_RTC_HAS_SUBSECONDS FALSE
+#define STM32_RTC_IS_CALENDAR TRUE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO FALSE
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+
+#define STM32_HAS_SPI2 TRUE
+#define STM32_SPI_SPI2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+#define STM32_SPI_SPI2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+
+#define STM32_HAS_SPI3 FALSE
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+
+/* TIM attributes.*/
+#define STM32_HAS_TIM1 TRUE
+#define STM32_TIM1_IS_32BITS FALSE
+#define STM32_TIM1_CHANNELS 4
+
+#define STM32_HAS_TIM2 TRUE
+#define STM32_TIM2_IS_32BITS TRUE
+#define STM32_TIM2_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM6 TRUE
+#define STM32_TIM6_IS_32BITS FALSE
+#define STM32_TIM6_CHANNELS 0
+
+#define STM32_HAS_TIM14 TRUE
+#define STM32_TIM14_IS_32BITS FALSE
+#define STM32_TIM14_CHANNELS 1
+
+#define STM32_HAS_TIM15 TRUE
+#define STM32_TIM15_IS_32BITS FALSE
+#define STM32_TIM15_CHANNELS 2
+
+#define STM32_HAS_TIM16 TRUE
+#define STM32_TIM16_IS_32BITS FALSE
+#define STM32_TIM16_CHANNELS 2
+
+#define STM32_HAS_TIM17 TRUE
+#define STM32_TIM17_IS_32BITS FALSE
+#define STM32_TIM17_CHANNELS 2
+
+#define STM32_HAS_TIM4 FALSE
+#define STM32_HAS_TIM5 FALSE
+#define STM32_HAS_TIM7 FALSE
+#define STM32_HAS_TIM8 FALSE
+#define STM32_HAS_TIM9 FALSE
+#define STM32_HAS_TIM10 FALSE
+#define STM32_HAS_TIM11 FALSE
+#define STM32_HAS_TIM12 FALSE
+#define STM32_HAS_TIM13 FALSE
+#define STM32_HAS_TIM18 FALSE
+#define STM32_HAS_TIM19 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_USART2 TRUE
+#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_USART3 FALSE
+#define STM32_HAS_UART4 FALSE
+#define STM32_HAS_UART5 FALSE
+#define STM32_HAS_USART6 FALSE
+
+/* USB attributes.*/
+#define STM32_HAS_USB TRUE
+#define STM32_HAS_OTG1 FALSE
+#define STM32_HAS_OTG2 FALSE
+
+#elif defined(STM32F0XX_LD)
+
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 FALSE
+#define STM32_HAS_ADC3 FALSE
+#define STM32_HAS_ADC4 FALSE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 FALSE
+#define STM32_HAS_CAN2 FALSE
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC FALSE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA FALSE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 FALSE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH FALSE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 28
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD FALSE
+#define STM32_HAS_GPIOE FALSE
+#define STM32_HAS_GPIOF TRUE
+#define STM32_HAS_GPIOG FALSE
+#define STM32_HAS_GPIOH FALSE
+#define STM32_HAS_GPIOI FALSE
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_I2C2 FALSE
+#define STM32_HAS_I2C3 FALSE
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#define STM32_RTC_HAS_SUBSECONDS FALSE
+#define STM32_RTC_IS_CALENDAR TRUE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO FALSE
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+
+#define STM32_HAS_SPI2 FALSE
+#define STM32_HAS_SPI3 FALSE
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+
+/* TIM attributes.*/
+#define STM32_HAS_TIM1 TRUE
+#define STM32_TIM1_IS_32BITS FALSE
+#define STM32_TIM1_CHANNELS 4
+
+#define STM32_HAS_TIM2 TRUE
+#define STM32_TIM2_IS_32BITS TRUE
+#define STM32_TIM2_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM14 TRUE
+#define STM32_TIM14_IS_32BITS FALSE
+#define STM32_TIM14_CHANNELS 1
+
+#define STM32_HAS_TIM16 TRUE
+#define STM32_TIM16_IS_32BITS FALSE
+#define STM32_TIM16_CHANNELS 2
+
+#define STM32_HAS_TIM17 TRUE
+#define STM32_TIM17_IS_32BITS FALSE
+#define STM32_TIM17_CHANNELS 2
+
+#define STM32_HAS_TIM4 FALSE
+#define STM32_HAS_TIM5 FALSE
+#define STM32_HAS_TIM6 FALSE
+#define STM32_HAS_TIM7 FALSE
+#define STM32_HAS_TIM8 FALSE
+#define STM32_HAS_TIM9 FALSE
+#define STM32_HAS_TIM10 FALSE
+#define STM32_HAS_TIM11 FALSE
+#define STM32_HAS_TIM12 FALSE
+#define STM32_HAS_TIM13 FALSE
+#define STM32_HAS_TIM15 FALSE
+#define STM32_HAS_TIM18 FALSE
+#define STM32_HAS_TIM19 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_USART2 FALSE
+#define STM32_HAS_USART3 FALSE
+#define STM32_HAS_UART4 FALSE
+#define STM32_HAS_UART5 FALSE
+#define STM32_HAS_USART6 FALSE
+
+/* USB attributes.*/
+#define STM32_HAS_USB FALSE
+#define STM32_HAS_OTG1 FALSE
+#define STM32_HAS_OTG2 FALSE
+
+#else /* STM32F030 */
+
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 FALSE
+#define STM32_HAS_ADC3 FALSE
+#define STM32_HAS_ADC4 FALSE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 FALSE
+#define STM32_HAS_CAN2 FALSE
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC FALSE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA FALSE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 FALSE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH FALSE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 28
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD TRUE
+#define STM32_HAS_GPIOE FALSE
+#define STM32_HAS_GPIOF TRUE
+#define STM32_HAS_GPIOG FALSE
+#define STM32_HAS_GPIOH FALSE
+#define STM32_HAS_GPIOI FALSE
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_I2C2 TRUE
+#define STM32_I2C_I2C2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_I2C_I2C2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_I2C3 FALSE
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#define STM32_RTC_HAS_SUBSECONDS FALSE
+#define STM32_RTC_IS_CALENDAR TRUE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO FALSE
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+
+#define STM32_HAS_SPI2 TRUE
+#define STM32_SPI_SPI2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+#define STM32_SPI_SPI2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+
+#define STM32_HAS_SPI3 FALSE
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+
+/* TIM attributes.*/
+#define STM32_HAS_TIM1 TRUE
+#define STM32_TIM1_IS_32BITS FALSE
+#define STM32_TIM1_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM6 TRUE
+#define STM32_TIM6_IS_32BITS FALSE
+#define STM32_TIM6_CHANNELS 0
+
+#define STM32_HAS_TIM14 TRUE
+#define STM32_TIM14_IS_32BITS FALSE
+#define STM32_TIM14_CHANNELS 1
+
+#define STM32_HAS_TIM15 TRUE
+#define STM32_TIM15_IS_32BITS FALSE
+#define STM32_TIM15_CHANNELS 2
+
+#define STM32_HAS_TIM16 TRUE
+#define STM32_TIM16_IS_32BITS FALSE
+#define STM32_TIM16_CHANNELS 2
+
+#define STM32_HAS_TIM17 TRUE
+#define STM32_TIM17_IS_32BITS FALSE
+#define STM32_TIM17_CHANNELS 2
+
+#define STM32_HAS_TIM2 FALSE
+#define STM32_HAS_TIM4 FALSE
+#define STM32_HAS_TIM5 FALSE
+#define STM32_HAS_TIM7 FALSE
+#define STM32_HAS_TIM8 FALSE
+#define STM32_HAS_TIM9 FALSE
+#define STM32_HAS_TIM10 FALSE
+#define STM32_HAS_TIM11 FALSE
+#define STM32_HAS_TIM12 FALSE
+#define STM32_HAS_TIM13 FALSE
+#define STM32_HAS_TIM18 FALSE
+#define STM32_HAS_TIM19 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_USART2 TRUE
+#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_USART3 FALSE
+#define STM32_HAS_UART4 FALSE
+#define STM32_HAS_UART5 FALSE
+#define STM32_HAS_USART6 FALSE
+
+/* USB attributes.*/
+#define STM32_HAS_USB FALSE
+#define STM32_HAS_OTG1 FALSE
+#define STM32_HAS_OTG2 FALSE
+
+#endif /* STM32F030 */
+
+/** @} */
+
+#endif /* _STM32_REGISTRY_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/adc_lld.c b/os/hal/ports/STM32/STM32F1xx/adc_lld.c new file mode 100644 index 000000000..956cdf2de --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/adc_lld.c @@ -0,0 +1,233 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F1xx/adc_lld.c
+ * @brief STM32F1xx ADC subsystem low level driver source.
+ *
+ * @addtogroup ADC
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_ADC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/** @brief ADC1 driver identifier.*/
+#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)
+ADCDriver ADCD1;
+#endif
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Shared ADC DMA ISR service routine.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ * @param[in] flags pre-shifted content of the ISR register
+ */
+static void adc_lld_serve_rx_interrupt(ADCDriver *adcp, uint32_t flags) {
+
+ /* DMA errors handling.*/
+ if ((flags & STM32_DMA_ISR_TEIF) != 0) {
+ /* DMA, this could help only if the DMA tries to access an unmapped
+ address space or violates alignment rules.*/
+ _adc_isr_error_code(adcp, ADC_ERR_DMAFAILURE);
+ }
+ else {
+ if ((flags & STM32_DMA_ISR_TCIF) != 0) {
+ /* Transfer complete processing.*/
+ _adc_isr_full_code(adcp);
+ }
+ else if ((flags & STM32_DMA_ISR_HTIF) != 0) {
+ /* Half transfer processing.*/
+ _adc_isr_half_code(adcp);
+ }
+ }
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level ADC driver initialization.
+ *
+ * @notapi
+ */
+void adc_lld_init(void) {
+
+#if STM32_ADC_USE_ADC1
+ /* Driver initialization.*/
+ adcObjectInit(&ADCD1);
+ ADCD1.adc = ADC1;
+ ADCD1.dmastp = STM32_DMA1_STREAM1;
+ ADCD1.dmamode = STM32_DMA_CR_PL(STM32_ADC_ADC1_DMA_PRIORITY) |
+ STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_TEIE;
+
+ /* Temporary activation.*/
+ rccEnableADC1(FALSE);
+ ADC1->CR1 = 0;
+ ADC1->CR2 = ADC_CR2_ADON;
+
+ /* Reset calibration just to be safe.*/
+ ADC1->CR2 = ADC_CR2_ADON | ADC_CR2_RSTCAL;
+ while ((ADC1->CR2 & ADC_CR2_RSTCAL) != 0)
+ ;
+
+ /* Calibration.*/
+ ADC1->CR2 = ADC_CR2_ADON | ADC_CR2_CAL;
+ while ((ADC1->CR2 & ADC_CR2_CAL) != 0)
+ ;
+
+ /* Return the ADC in low power mode.*/
+ ADC1->CR2 = 0;
+ rccDisableADC1(FALSE);
+#endif
+}
+
+/**
+ * @brief Configures and activates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_start(ADCDriver *adcp) {
+
+ /* If in stopped state then enables the ADC and DMA clocks.*/
+ if (adcp->state == ADC_STOP) {
+#if STM32_ADC_USE_ADC1
+ if (&ADCD1 == adcp) {
+ bool b;
+ b = dmaStreamAllocate(adcp->dmastp,
+ STM32_ADC_ADC1_IRQ_PRIORITY,
+ (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
+ (void *)adcp);
+ osalDbgAssert(!b, "stream already allocated");
+ dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR);
+ rccEnableADC1(FALSE);
+ }
+#endif
+
+ /* ADC setup, the calibration procedure has already been performed
+ during initialization.*/
+ adcp->adc->CR1 = 0;
+ adcp->adc->CR2 = 0;
+ }
+}
+
+/**
+ * @brief Deactivates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_stop(ADCDriver *adcp) {
+
+ /* If in ready state then disables the ADC clock.*/
+ if (adcp->state == ADC_READY) {
+#if STM32_ADC_USE_ADC1
+ if (&ADCD1 == adcp) {
+ ADC1->CR1 = 0;
+ ADC1->CR2 = 0;
+ dmaStreamRelease(adcp->dmastp);
+ rccDisableADC1(FALSE);
+ }
+#endif
+ }
+}
+
+/**
+ * @brief Starts an ADC conversion.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_start_conversion(ADCDriver *adcp) {
+ uint32_t mode, cr2;
+ const ADCConversionGroup *grpp = adcp->grpp;
+
+ /* DMA setup.*/
+ mode = adcp->dmamode;
+ if (grpp->circular) {
+ mode |= STM32_DMA_CR_CIRC;
+ if (adcp->depth > 1) {
+ /* If circular buffer depth > 1, then the half transfer interrupt
+ is enabled in order to allow streaming processing.*/
+ mode |= STM32_DMA_CR_HTIE;
+ }
+ }
+ dmaStreamSetMemory0(adcp->dmastp, adcp->samples);
+ dmaStreamSetTransactionSize(adcp->dmastp, (uint32_t)grpp->num_channels *
+ (uint32_t)adcp->depth);
+ dmaStreamSetMode(adcp->dmastp, mode);
+ dmaStreamEnable(adcp->dmastp);
+
+ /* ADC setup.*/
+ adcp->adc->CR1 = grpp->cr1 | ADC_CR1_SCAN;
+ cr2 = grpp->cr2 | ADC_CR2_DMA | ADC_CR2_ADON;
+ if ((cr2 & (ADC_CR2_EXTTRIG | ADC_CR2_JEXTTRIG)) == 0)
+ cr2 |= ADC_CR2_CONT;
+ adcp->adc->CR2 = grpp->cr2 | cr2;
+ adcp->adc->SMPR1 = grpp->smpr1;
+ adcp->adc->SMPR2 = grpp->smpr2;
+ adcp->adc->SQR1 = grpp->sqr1;
+ adcp->adc->SQR2 = grpp->sqr2;
+ adcp->adc->SQR3 = grpp->sqr3;
+
+ /* ADC start by writing ADC_CR2_ADON a second time.*/
+ adcp->adc->CR2 = cr2;
+}
+
+/**
+ * @brief Stops an ongoing conversion.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_stop_conversion(ADCDriver *adcp) {
+
+ dmaStreamDisable(adcp->dmastp);
+ adcp->adc->CR2 = 0;
+}
+
+#endif /* HAL_USE_ADC */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/adc_lld.h b/os/hal/ports/STM32/STM32F1xx/adc_lld.h new file mode 100644 index 000000000..cb94b9571 --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/adc_lld.h @@ -0,0 +1,389 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F1xx/adc_lld.h
+ * @brief STM32F1xx ADC subsystem low level driver header.
+ *
+ * @addtogroup ADC
+ * @{
+ */
+
+#ifndef _ADC_LLD_H_
+#define _ADC_LLD_H_
+
+#if HAL_USE_ADC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Triggers selection
+ * @{
+ */
+#define ADC_CR2_EXTSEL_SRC(n) ((n) << 17) /**< @brief Trigger source. */
+#define ADC_CR2_EXTSEL_SWSTART (7 << 17) /**< @brief Software trigger. */
+/** @} */
+
+/**
+ * @name Available analog channels
+ * @{
+ */
+#define ADC_CHANNEL_IN0 0 /**< @brief External analog input 0. */
+#define ADC_CHANNEL_IN1 1 /**< @brief External analog input 1. */
+#define ADC_CHANNEL_IN2 2 /**< @brief External analog input 2. */
+#define ADC_CHANNEL_IN3 3 /**< @brief External analog input 3. */
+#define ADC_CHANNEL_IN4 4 /**< @brief External analog input 4. */
+#define ADC_CHANNEL_IN5 5 /**< @brief External analog input 5. */
+#define ADC_CHANNEL_IN6 6 /**< @brief External analog input 6. */
+#define ADC_CHANNEL_IN7 7 /**< @brief External analog input 7. */
+#define ADC_CHANNEL_IN8 8 /**< @brief External analog input 8. */
+#define ADC_CHANNEL_IN9 9 /**< @brief External analog input 9. */
+#define ADC_CHANNEL_IN10 10 /**< @brief External analog input 10. */
+#define ADC_CHANNEL_IN11 11 /**< @brief External analog input 11. */
+#define ADC_CHANNEL_IN12 12 /**< @brief External analog input 12. */
+#define ADC_CHANNEL_IN13 13 /**< @brief External analog input 13. */
+#define ADC_CHANNEL_IN14 14 /**< @brief External analog input 14. */
+#define ADC_CHANNEL_IN15 15 /**< @brief External analog input 15. */
+#define ADC_CHANNEL_SENSOR 16 /**< @brief Internal temperature sensor.*/
+#define ADC_CHANNEL_VREFINT 17 /**< @brief Internal reference. */
+/** @} */
+
+/**
+ * @name Sampling rates
+ * @{
+ */
+#define ADC_SAMPLE_1P5 0 /**< @brief 1.5 cycles sampling time. */
+#define ADC_SAMPLE_7P5 1 /**< @brief 7.5 cycles sampling time. */
+#define ADC_SAMPLE_13P5 2 /**< @brief 13.5 cycles sampling time. */
+#define ADC_SAMPLE_28P5 3 /**< @brief 28.5 cycles sampling time. */
+#define ADC_SAMPLE_41P5 4 /**< @brief 41.5 cycles sampling time. */
+#define ADC_SAMPLE_55P5 5 /**< @brief 55.5 cycles sampling time. */
+#define ADC_SAMPLE_71P5 6 /**< @brief 71.5 cycles sampling time. */
+#define ADC_SAMPLE_239P5 7 /**< @brief 239.5 cycles sampling time. */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief ADC1 driver enable switch.
+ * @details If set to @p TRUE the support for ADC1 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_ADC_USE_ADC1) || defined(__DOXYGEN__)
+#define STM32_ADC_USE_ADC1 FALSE
+#endif
+
+/**
+ * @brief ADC1 DMA priority (0..3|lowest..highest).
+ */
+#if !defined(STM32_ADC_ADC1_DMA_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC1_DMA_PRIORITY 2
+#endif
+
+/**
+ * @brief ADC1 interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_ADC1_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC1_IRQ_PRIORITY 5
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 && !STM32_HAS_ADC1
+#error "ADC1 not present in the selected device"
+#endif
+
+#if !STM32_ADC_USE_ADC1
+#error "ADC driver activated but no ADC peripheral assigned"
+#endif
+
+#if !defined(STM32_DMA_REQUIRED)
+#define STM32_DMA_REQUIRED
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief ADC sample data type.
+ */
+typedef uint16_t adcsample_t;
+
+/**
+ * @brief Channels number in a conversion group.
+ */
+typedef uint16_t adc_channels_num_t;
+
+/**
+ * @brief Possible ADC failure causes.
+ * @note Error codes are architecture dependent and should not relied
+ * upon.
+ */
+typedef enum {
+ ADC_ERR_DMAFAILURE = 0 /**< DMA operations failure. */
+} adcerror_t;
+
+/**
+ * @brief Type of a structure representing an ADC driver.
+ */
+typedef struct ADCDriver ADCDriver;
+
+/**
+ * @brief ADC notification callback type.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object triggering the
+ * callback
+ * @param[in] buffer pointer to the most recent samples data
+ * @param[in] n number of buffer rows available starting from @p buffer
+ */
+typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n);
+
+/**
+ * @brief ADC error callback type.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object triggering the
+ * callback
+ * @param[in] err ADC error code
+ */
+typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err);
+
+/**
+ * @brief Conversion group configuration structure.
+ * @details This implementation-dependent structure describes a conversion
+ * operation.
+ * @note The use of this configuration structure requires knowledge of
+ * STM32 ADC cell registers interface, please refer to the STM32
+ * reference manual for details.
+ */
+typedef struct {
+ /**
+ * @brief Enables the circular buffer mode for the group.
+ */
+ bool circular;
+ /**
+ * @brief Number of the analog channels belonging to the conversion group.
+ */
+ adc_channels_num_t num_channels;
+ /**
+ * @brief Callback function associated to the group or @p NULL.
+ */
+ adccallback_t end_cb;
+ /**
+ * @brief Error callback or @p NULL.
+ */
+ adcerrorcallback_t error_cb;
+ /* End of the mandatory fields.*/
+ /**
+ * @brief ADC CR1 register initialization data.
+ * @note All the required bits must be defined into this field except
+ * @p ADC_CR1_SCAN that is enforced inside the driver.
+ */
+ uint32_t cr1;
+ /**
+ * @brief ADC CR2 register initialization data.
+ * @note All the required bits must be defined into this field except
+ * @p ADC_CR2_DMA, @p ADC_CR2_CONT and @p ADC_CR2_ADON that are
+ * enforced inside the driver.
+ */
+ uint32_t cr2;
+ /**
+ * @brief ADC SMPR1 register initialization data.
+ * @details In this field must be specified the sample times for channels
+ * 10...17.
+ */
+ uint32_t smpr1;
+ /**
+ * @brief ADC SMPR2 register initialization data.
+ * @details In this field must be specified the sample times for channels
+ * 0...9.
+ */
+ uint32_t smpr2;
+ /**
+ * @brief ADC SQR1 register initialization data.
+ * @details Conversion group sequence 13...16 + sequence length.
+ */
+ uint32_t sqr1;
+ /**
+ * @brief ADC SQR2 register initialization data.
+ * @details Conversion group sequence 7...12.
+ */
+ uint32_t sqr2;
+ /**
+ * @brief ADC SQR3 register initialization data.
+ * @details Conversion group sequence 1...6.
+ */
+ uint32_t sqr3;
+} ADCConversionGroup;
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+typedef struct {
+ uint32_t dummy;
+} ADCConfig;
+
+/**
+ * @brief Structure representing an ADC driver.
+ */
+struct ADCDriver {
+ /**
+ * @brief Driver state.
+ */
+ adcstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const ADCConfig *config;
+ /**
+ * @brief Current samples buffer pointer or @p NULL.
+ */
+ adcsample_t *samples;
+ /**
+ * @brief Current samples buffer depth or @p 0.
+ */
+ size_t depth;
+ /**
+ * @brief Current conversion group pointer or @p NULL.
+ */
+ const ADCConversionGroup *grpp;
+#if ADC_USE_WAIT || defined(__DOXYGEN__)
+ /**
+ * @brief Waiting thread.
+ */
+ thread_reference_t thread;
+#endif
+#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
+ /**
+ * @brief Mutex protecting the peripheral.
+ */
+ mutex_t mutex;
+#endif /* ADC_USE_MUTUAL_EXCLUSION */
+#if defined(ADC_DRIVER_EXT_FIELDS)
+ ADC_DRIVER_EXT_FIELDS
+#endif
+ /* End of the mandatory fields.*/
+ /**
+ * @brief Pointer to the ADCx registers block.
+ */
+ ADC_TypeDef *adc;
+ /**
+ * @brief Pointer to associated DMA channel.
+ */
+ const stm32_dma_stream_t *dmastp;
+ /**
+ * @brief DMA mode bit mask.
+ */
+ uint32_t dmamode;
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Sequences building helper macros
+ * @{
+ */
+/**
+ * @brief Number of channels in a conversion sequence.
+ */
+#define ADC_SQR1_NUM_CH(n) (((n) - 1) << 20)
+
+#define ADC_SQR3_SQ1_N(n) ((n) << 0) /**< @brief 1st channel in seq. */
+#define ADC_SQR3_SQ2_N(n) ((n) << 5) /**< @brief 2nd channel in seq. */
+#define ADC_SQR3_SQ3_N(n) ((n) << 10) /**< @brief 3rd channel in seq. */
+#define ADC_SQR3_SQ4_N(n) ((n) << 15) /**< @brief 4th channel in seq. */
+#define ADC_SQR3_SQ5_N(n) ((n) << 20) /**< @brief 5th channel in seq. */
+#define ADC_SQR3_SQ6_N(n) ((n) << 25) /**< @brief 6th channel in seq. */
+
+#define ADC_SQR2_SQ7_N(n) ((n) << 0) /**< @brief 7th channel in seq. */
+#define ADC_SQR2_SQ8_N(n) ((n) << 5) /**< @brief 8th channel in seq. */
+#define ADC_SQR2_SQ9_N(n) ((n) << 10) /**< @brief 9th channel in seq. */
+#define ADC_SQR2_SQ10_N(n) ((n) << 15) /**< @brief 10th channel in seq.*/
+#define ADC_SQR2_SQ11_N(n) ((n) << 20) /**< @brief 11th channel in seq.*/
+#define ADC_SQR2_SQ12_N(n) ((n) << 25) /**< @brief 12th channel in seq.*/
+
+#define ADC_SQR1_SQ13_N(n) ((n) << 0) /**< @brief 13th channel in seq.*/
+#define ADC_SQR1_SQ14_N(n) ((n) << 5) /**< @brief 14th channel in seq.*/
+#define ADC_SQR1_SQ15_N(n) ((n) << 10) /**< @brief 15th channel in seq.*/
+#define ADC_SQR1_SQ16_N(n) ((n) << 15) /**< @brief 16th channel in seq.*/
+/** @} */
+
+/**
+ * @name Sampling rate settings helper macros
+ * @{
+ */
+#define ADC_SMPR2_SMP_AN0(n) ((n) << 0) /**< @brief AN0 sampling time. */
+#define ADC_SMPR2_SMP_AN1(n) ((n) << 3) /**< @brief AN1 sampling time. */
+#define ADC_SMPR2_SMP_AN2(n) ((n) << 6) /**< @brief AN2 sampling time. */
+#define ADC_SMPR2_SMP_AN3(n) ((n) << 9) /**< @brief AN3 sampling time. */
+#define ADC_SMPR2_SMP_AN4(n) ((n) << 12) /**< @brief AN4 sampling time. */
+#define ADC_SMPR2_SMP_AN5(n) ((n) << 15) /**< @brief AN5 sampling time. */
+#define ADC_SMPR2_SMP_AN6(n) ((n) << 18) /**< @brief AN6 sampling time. */
+#define ADC_SMPR2_SMP_AN7(n) ((n) << 21) /**< @brief AN7 sampling time. */
+#define ADC_SMPR2_SMP_AN8(n) ((n) << 24) /**< @brief AN8 sampling time. */
+#define ADC_SMPR2_SMP_AN9(n) ((n) << 27) /**< @brief AN9 sampling time. */
+
+#define ADC_SMPR1_SMP_AN10(n) ((n) << 0) /**< @brief AN10 sampling time. */
+#define ADC_SMPR1_SMP_AN11(n) ((n) << 3) /**< @brief AN11 sampling time. */
+#define ADC_SMPR1_SMP_AN12(n) ((n) << 6) /**< @brief AN12 sampling time. */
+#define ADC_SMPR1_SMP_AN13(n) ((n) << 9) /**< @brief AN13 sampling time. */
+#define ADC_SMPR1_SMP_AN14(n) ((n) << 12) /**< @brief AN14 sampling time. */
+#define ADC_SMPR1_SMP_AN15(n) ((n) << 15) /**< @brief AN15 sampling time. */
+#define ADC_SMPR1_SMP_SENSOR(n) ((n) << 18) /**< @brief Temperature Sensor
+ sampling time. */
+#define ADC_SMPR1_SMP_VREF(n) ((n) << 21) /**< @brief Voltage Reference
+ sampling time. */
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 && !defined(__DOXYGEN__)
+extern ADCDriver ADCD1;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void adc_lld_init(void);
+ void adc_lld_start(ADCDriver *adcp);
+ void adc_lld_stop(ADCDriver *adcp);
+ void adc_lld_start_conversion(ADCDriver *adcp);
+ void adc_lld_stop_conversion(ADCDriver *adcp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_ADC */
+
+#endif /* _ADC_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/ext_lld_isr.c b/os/hal/ports/STM32/STM32F1xx/ext_lld_isr.c new file mode 100644 index 000000000..92d770b76 --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/ext_lld_isr.c @@ -0,0 +1,325 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F1xx/ext_lld_isr.c
+ * @brief STM32F1xx EXT subsystem low level driver ISR code.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+#include "ext_lld_isr.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/**
+ * @brief EXTI[0] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(EXTI0_IRQHandler) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 0);
+ EXTD1.config->channels[0].cb(&EXTD1, 0);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[1] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(EXTI1_IRQHandler) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 1);
+ EXTD1.config->channels[1].cb(&EXTD1, 1);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[2] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(EXTI2_IRQHandler) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 2);
+ EXTD1.config->channels[2].cb(&EXTD1, 2);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[3] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(EXTI3_IRQHandler) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 3);
+ EXTD1.config->channels[3].cb(&EXTD1, 3);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[4] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(EXTI4_IRQHandler) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 4);
+ EXTD1.config->channels[4].cb(&EXTD1, 4);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[5]...EXTI[9] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(EXTI9_5_IRQHandler) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9));
+ EXTI->PR = pr;
+ if (pr & (1 << 5))
+ EXTD1.config->channels[5].cb(&EXTD1, 5);
+ if (pr & (1 << 6))
+ EXTD1.config->channels[6].cb(&EXTD1, 6);
+ if (pr & (1 << 7))
+ EXTD1.config->channels[7].cb(&EXTD1, 7);
+ if (pr & (1 << 8))
+ EXTD1.config->channels[8].cb(&EXTD1, 8);
+ if (pr & (1 << 9))
+ EXTD1.config->channels[9].cb(&EXTD1, 9);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[10]...EXTI[15] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(EXTI15_10_IRQHandler) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) | (1 << 14) |
+ (1 << 15));
+ EXTI->PR = pr;
+ if (pr & (1 << 10))
+ EXTD1.config->channels[10].cb(&EXTD1, 10);
+ if (pr & (1 << 11))
+ EXTD1.config->channels[11].cb(&EXTD1, 11);
+ if (pr & (1 << 12))
+ EXTD1.config->channels[12].cb(&EXTD1, 12);
+ if (pr & (1 << 13))
+ EXTD1.config->channels[13].cb(&EXTD1, 13);
+ if (pr & (1 << 14))
+ EXTD1.config->channels[14].cb(&EXTD1, 14);
+ if (pr & (1 << 15))
+ EXTD1.config->channels[15].cb(&EXTD1, 15);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[16] interrupt handler (PVD).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(PVD_IRQHandler) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 16);
+ EXTD1.config->channels[16].cb(&EXTD1, 16);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[17] interrupt handler (RTC).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(RTC_Alarm_IRQHandler) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 17);
+ EXTD1.config->channels[17].cb(&EXTD1, 17);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+#if defined(STM32F10X_CL)
+/**
+ * @brief EXTI[18] interrupt handler (OTG_FS_WKUP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(OTG_FS_WKUP_IRQHandler) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 18);
+ EXTD1.config->channels[18].cb(&EXTD1, 18);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[19] interrupt handler (ETH_WKUP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(ETH_WKUP_IRQHandler) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 19);
+ EXTD1.config->channels[19].cb(&EXTD1, 19);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#elif defined(STM32F10X_LD_VL) || defined(STM32F10X_MD_VL) || \
+ defined(STM32F10X_HD_VL)
+
+#else /* Other STM32F1xx devices.*/
+/**
+ * @brief EXTI[18] interrupt handler (USB_FS_WKUP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(USB_FS_WKUP_IRQHandler) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 18);
+ EXTD1.config->channels[18].cb(&EXTD1, 18);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Enables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_enable(void) {
+
+ nvicEnableVector(EXTI0_IRQn, STM32_EXT_EXTI0_IRQ_PRIORITY);
+ nvicEnableVector(EXTI1_IRQn, STM32_EXT_EXTI1_IRQ_PRIORITY);
+ nvicEnableVector(EXTI2_IRQn, STM32_EXT_EXTI2_IRQ_PRIORITY);
+ nvicEnableVector(EXTI3_IRQn, STM32_EXT_EXTI3_IRQ_PRIORITY);
+ nvicEnableVector(EXTI4_IRQn, STM32_EXT_EXTI4_IRQ_PRIORITY);
+ nvicEnableVector(EXTI9_5_IRQn, STM32_EXT_EXTI5_9_IRQ_PRIORITY);
+ nvicEnableVector(EXTI15_10_IRQn, STM32_EXT_EXTI10_15_IRQ_PRIORITY);
+ nvicEnableVector(PVD_IRQn, STM32_EXT_EXTI16_IRQ_PRIORITY);
+ nvicEnableVector(RTCAlarm_IRQn, STM32_EXT_EXTI17_IRQ_PRIORITY);
+#if defined(STM32F10X_CL)
+ /* EXTI vectors specific to STM32F1xx Connectivity Line.*/
+ nvicEnableVector(OTG_FS_WKUP_IRQn, STM32_EXT_EXTI18_IRQ_PRIORITY);
+ nvicEnableVector(ETH_WKUP_IRQn, STM32_EXT_EXTI19_IRQ_PRIORITY);
+#elif defined(STM32F10X_LD_VL) || defined(STM32F10X_MD_VL) || \
+ defined(STM32F10X_HD_VL)
+ /* EXTI vectors specific to STM32F1xx Value Line.*/
+#else
+ /* EXTI vectors specific to STM32F1xx except Connectivity Line.*/
+ nvicEnableVector(USBWakeUp_IRQn, STM32_EXT_EXTI18_IRQ_PRIORITY);
+#endif
+}
+
+/**
+ * @brief Disables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_disable(void) {
+
+ nvicDisableVector(EXTI0_IRQn);
+ nvicDisableVector(EXTI1_IRQn);
+ nvicDisableVector(EXTI2_IRQn);
+ nvicDisableVector(EXTI3_IRQn);
+ nvicDisableVector(EXTI4_IRQn);
+ nvicDisableVector(EXTI9_5_IRQn);
+ nvicDisableVector(EXTI15_10_IRQn);
+ nvicDisableVector(PVD_IRQn);
+ nvicDisableVector(RTCAlarm_IRQn);
+#if defined(STM32F10X_CL)
+ /* EXTI vectors specific to STM32F1xx Connectivity Line.*/
+ nvicDisableVector(OTG_FS_WKUP_IRQn);
+ nvicDisableVector(ETH_WKUP_IRQn);
+#elif defined(STM32F10X_LD_VL) || defined(STM32F10X_MD_VL) || \
+ defined(STM32F10X_HD_VL)
+ /* EXTI vectors specific to STM32F1xx Value Line.*/
+#else
+ /* EXTI vectors specific to STM32F1xx except Connectivity Line.*/
+ nvicDisableVector(USBWakeUp_IRQn);
+#endif
+}
+
+#endif /* HAL_USE_EXT */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/ext_lld_isr.h b/os/hal/ports/STM32/STM32F1xx/ext_lld_isr.h new file mode 100644 index 000000000..1114acf49 --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/ext_lld_isr.h @@ -0,0 +1,149 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F1xx/ext_lld_isr.h
+ * @brief STM32F1xx EXT subsystem low level driver ISR header.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#ifndef _EXT_LLD_ISR_H_
+#define _EXT_LLD_ISR_H_
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief EXTI0 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI0_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI0_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI1 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI1_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI1_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI2 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI2_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI2_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI3 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI3_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI3_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI4 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI4_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI4_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI9..5 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI5_9_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI5_9_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI15..10 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI10_15_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI10_15_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI16 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI16_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI16_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI17 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI17_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI17_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI18 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI18_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI19 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI19_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void ext_lld_exti_irq_enable(void);
+ void ext_lld_exti_irq_disable(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_EXT */
+
+#endif /* _EXT_LLD_ISR_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/hal_lld.c b/os/hal/ports/STM32/STM32F1xx/hal_lld.c new file mode 100644 index 000000000..301f26fb9 --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/hal_lld.c @@ -0,0 +1,290 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F1xx/hal_lld.c
+ * @brief STM32F1xx HAL subsystem low level driver source.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#include "hal.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Initializes the backup domain.
+ * @note WARNING! Changing clock source impossible without resetting
+ * of the whole BKP domain.
+ */
+static void hal_lld_backup_domain_init(void) {
+
+ /* Backup domain access enabled and left open.*/
+ PWR->CR |= PWR_CR_DBP;
+
+#if HAL_USE_RTC
+ /* Reset BKP domain if different clock source selected.*/
+ if ((RCC->BDCR & STM32_RTCSEL_MASK) != STM32_RTCSEL){
+ /* Backup domain reset.*/
+ RCC->BDCR = RCC_BDCR_BDRST;
+ RCC->BDCR = 0;
+ }
+
+ /* If enabled then the LSE is started.*/
+#if STM32_LSE_ENABLED
+ RCC->BDCR |= RCC_BDCR_LSEON;
+ while ((RCC->BDCR & RCC_BDCR_LSERDY) == 0)
+ ; /* Waits until LSE is stable. */
+#endif /* STM32_LSE_ENABLED */
+
+#if STM32_RTCSEL != STM32_RTCSEL_NOCLOCK
+ /* If the backup domain hasn't been initialized yet then proceed with
+ initialization.*/
+ if ((RCC->BDCR & RCC_BDCR_RTCEN) == 0) {
+ /* Selects clock source.*/
+ RCC->BDCR |= STM32_RTCSEL;
+
+ /* Prescaler value loaded in registers.*/
+ rtc_lld_set_prescaler();
+
+ /* RTC clock enabled.*/
+ RCC->BDCR |= RCC_BDCR_RTCEN;
+ }
+#endif /* STM32_RTCSEL != STM32_RTCSEL_NOCLOCK */
+#endif /* HAL_USE_RTC */
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level HAL driver initialization.
+ *
+ * @notapi
+ */
+void hal_lld_init(void) {
+
+ /* Reset of all peripherals.*/
+ rccResetAPB1(0xFFFFFFFF);
+ rccResetAPB2(0xFFFFFFFF);
+
+ /* PWR and BD clocks enabled.*/
+ rccEnablePWRInterface(FALSE);
+ rccEnableBKPInterface(FALSE);
+
+ /* Initializes the backup domain.*/
+ hal_lld_backup_domain_init();
+
+#if defined(STM32_DMA_REQUIRED)
+ dmaInit();
+#endif
+
+ /* Programmable voltage detector enable.*/
+#if STM32_PVD_ENABLE
+ PWR->CR |= PWR_CR_PVDE | (STM32_PLS & STM32_PLS_MASK);
+#endif /* STM32_PVD_ENABLE */
+}
+
+/**
+ * @brief STM32 clocks and PLL initialization.
+ * @note All the involved constants come from the file @p board.h.
+ * @note This function should be invoked just after the system reset.
+ *
+ * @special
+ */
+#if defined(STM32F10X_LD) || defined(STM32F10X_LD_VL) || \
+ defined(STM32F10X_MD) || defined(STM32F10X_MD_VL) || \
+ defined(STM32F10X_HD) || defined(STM32F10X_XL) || \
+ defined(__DOXYGEN__)
+/*
+ * Clocks initialization for all sub-families except CL.
+ */
+void stm32_clock_init(void) {
+
+#if !STM32_NO_INIT
+ /* HSI setup, it enforces the reset situation in order to handle possible
+ problems with JTAG probes and re-initializations.*/
+ RCC->CR |= RCC_CR_HSION; /* Make sure HSI is ON. */
+ while (!(RCC->CR & RCC_CR_HSIRDY))
+ ; /* Wait until HSI is stable. */
+ RCC->CR &= RCC_CR_HSITRIM | RCC_CR_HSION; /* CR Reset value. */
+ RCC->CFGR = 0; /* CFGR reset value. */
+ while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI)
+ ; /* Waits until HSI is selected. */
+
+#if STM32_HSE_ENABLED
+#if defined(STM32_HSE_BYPASS)
+ /* HSE Bypass.*/
+ RCC->CR |= RCC_CR_HSEBYP;
+#endif
+ /* HSE activation.*/
+ RCC->CR |= RCC_CR_HSEON;
+ while (!(RCC->CR & RCC_CR_HSERDY))
+ ; /* Waits until HSE is stable. */
+#endif
+
+#if STM32_LSI_ENABLED
+ /* LSI activation.*/
+ RCC->CSR |= RCC_CSR_LSION;
+ while ((RCC->CSR & RCC_CSR_LSIRDY) == 0)
+ ; /* Waits until LSI is stable. */
+#endif
+
+#if STM32_ACTIVATE_PLL
+ /* PLL activation.*/
+ RCC->CFGR |= STM32_PLLMUL | STM32_PLLXTPRE | STM32_PLLSRC;
+ RCC->CR |= RCC_CR_PLLON;
+ while (!(RCC->CR & RCC_CR_PLLRDY))
+ ; /* Waits until PLL is stable. */
+#endif
+
+ /* Clock settings.*/
+#if STM32_HAS_USB
+ RCC->CFGR = STM32_MCOSEL | STM32_USBPRE | STM32_PLLMUL | STM32_PLLXTPRE |
+ STM32_PLLSRC | STM32_ADCPRE | STM32_PPRE2 | STM32_PPRE1 |
+ STM32_HPRE;
+#else
+ RCC->CFGR = STM32_MCOSEL | STM32_PLLMUL | STM32_PLLXTPRE |
+ STM32_PLLSRC | STM32_ADCPRE | STM32_PPRE2 | STM32_PPRE1 |
+ STM32_HPRE;
+#endif
+
+ /* Flash setup and final clock selection. */
+ FLASH->ACR = STM32_FLASHBITS;
+
+ /* Switching to the configured clock source if it is different from HSI.*/
+#if (STM32_SW != STM32_SW_HSI)
+ /* Switches clock source.*/
+ RCC->CFGR |= STM32_SW;
+ while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
+ ; /* Waits selection complete. */
+#endif
+
+#if !STM32_HSI_ENABLED
+ RCC->CR &= ~RCC_CR_HSION;
+#endif
+#endif /* !STM32_NO_INIT */
+}
+
+#elif defined(STM32F10X_CL)
+/*
+ * Clocks initialization for the CL sub-family.
+ */
+void stm32_clock_init(void) {
+
+#if !STM32_NO_INIT
+ /* HSI setup.*/
+ RCC->CR |= RCC_CR_HSION; /* Make sure HSI is ON. */
+ while (!(RCC->CR & RCC_CR_HSIRDY))
+ ; /* Wait until HSI is stable. */
+ RCC->CFGR = 0;
+ RCC->CR &= RCC_CR_HSITRIM | RCC_CR_HSION; /* CR Reset value. */
+ while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI)
+ ; /* Wait until HSI is the source.*/
+
+#if STM32_HSE_ENABLED
+#if defined(STM32_HSE_BYPASS)
+ /* HSE Bypass.*/
+ RCC->CR |= RCC_CR_HSEBYP;
+#endif
+ /* HSE activation.*/
+ RCC->CR |= RCC_CR_HSEON;
+ while (!(RCC->CR & RCC_CR_HSERDY))
+ ; /* Waits until HSE is stable. */
+#endif
+
+#if STM32_LSI_ENABLED
+ /* LSI activation.*/
+ RCC->CSR |= RCC_CSR_LSION;
+ while ((RCC->CSR & RCC_CSR_LSIRDY) == 0)
+ ; /* Waits until LSI is stable. */
+#endif
+
+ /* Settings of various dividers and multipliers in CFGR2.*/
+ RCC->CFGR2 = STM32_PLL3MUL | STM32_PLL2MUL | STM32_PREDIV2 |
+ STM32_PREDIV1 | STM32_PREDIV1SRC;
+
+ /* PLL2 setup, if activated.*/
+#if STM32_ACTIVATE_PLL2
+ RCC->CR |= RCC_CR_PLL2ON;
+ while (!(RCC->CR & RCC_CR_PLL2RDY))
+ ; /* Waits until PLL2 is stable. */
+#endif
+
+ /* PLL3 setup, if activated.*/
+#if STM32_ACTIVATE_PLL3
+ RCC->CR |= RCC_CR_PLL3ON;
+ while (!(RCC->CR & RCC_CR_PLL3RDY))
+ ; /* Waits until PLL3 is stable. */
+#endif
+
+ /* PLL1 setup, if activated.*/
+#if STM32_ACTIVATE_PLL1
+ RCC->CFGR |= STM32_PLLMUL | STM32_PLLSRC;
+ RCC->CR |= RCC_CR_PLLON;
+ while (!(RCC->CR & RCC_CR_PLLRDY))
+ ; /* Waits until PLL1 is stable. */
+#endif
+
+ /* Clock settings.*/
+#if STM32_HAS_OTG1
+ RCC->CFGR = STM32_MCOSEL | STM32_OTGFSPRE | STM32_PLLMUL | STM32_PLLSRC |
+ STM32_ADCPRE | STM32_PPRE2 | STM32_PPRE1 | STM32_HPRE;
+#else
+ RCC->CFGR = STM32_MCO | STM32_PLLMUL | STM32_PLLSRC |
+ STM32_ADCPRE | STM32_PPRE2 | STM32_PPRE1 | STM32_HPRE;
+#endif
+
+ /* Flash setup and final clock selection. */
+ FLASH->ACR = STM32_FLASHBITS; /* Flash wait states depending on clock. */
+
+ /* Switching to the configured clock source if it is different from HSI.*/
+#if (STM32_SW != STM32_SW_HSI)
+ RCC->CFGR |= STM32_SW; /* Switches on the selected clock source. */
+ while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
+ ;
+#endif
+
+#if !STM32_HSI_ENABLED
+ RCC->CR &= ~RCC_CR_HSION;
+#endif
+#endif /* !STM32_NO_INIT */
+}
+#else
+void stm32_clock_init(void) {}
+#endif
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/hal_lld.h b/os/hal/ports/STM32/STM32F1xx/hal_lld.h new file mode 100644 index 000000000..7498ea48c --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/hal_lld.h @@ -0,0 +1,217 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F1xx/hal_lld.h
+ * @brief STM32F1xx HAL subsystem low level driver header.
+ * @pre This module requires the following macros to be defined in the
+ * @p board.h file:
+ * - STM32_LSECLK.
+ * - STM32_HSECLK.
+ * - STM32_HSE_BYPASS (optionally).
+ * .
+ * One of the following macros must also be defined:
+ * - STM32F10X_LD_VL for Value Line Low Density devices.
+ * - STM32F10X_MD_VL for Value Line Medium Density devices.
+ * - STM32F10X_HD_VL for Value Line High Density devices.
+ * - STM32F10X_LD for Performance Low Density devices.
+ * - STM32F10X_MD for Performance Medium Density devices.
+ * - STM32F10X_HD for Performance High Density devices.
+ * - STM32F10X_XL for Performance eXtra Density devices.
+ * - STM32F10X_CL for Connectivity Line devices.
+ * .
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _HAL_LLD_H_
+#define _HAL_LLD_H_
+
+#include "stm32_registry.h"
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Platform identification
+ * @{
+ */
+#if defined(__DOXYGEN__)
+#define PLATFORM_NAME "STM32F1xx"
+
+#elif defined(STM32F10X_LD_VL)
+#define PLATFORM_NAME "STM32F100 Value Line Low Density"
+
+#elif defined(STM32F10X_MD_VL)
+#define PLATFORM_NAME "STM32F100 Value Line Medium Density"
+
+#elif defined(STM32F10X_HD_VL)
+#define PLATFORM_NAME "STM32F100 Value Line High Density"
+
+#elif defined(STM32F10X_LD)
+#define PLATFORM_NAME "STM32F10x Performance Line Low Density"
+
+#elif defined(STM32F10X_MD)
+#define PLATFORM_NAME "STM32F10x Performance Line Medium Density"
+
+#elif defined(STM32F10X_HD)
+#define PLATFORM_NAME "STM32F10x Performance Line High Density"
+
+#elif defined(STM32F10X_XL)
+#define PLATFORM_NAME "STM32F10x Performance Line eXtra Density"
+
+#elif defined(STM32F10X_CL)
+#define PLATFORM_NAME "STM32F10x Connectivity Line"
+
+#else
+#error "unsupported or unrecognized STM32F1xx member"
+#endif
+/** @} */
+
+/**
+ * @name Internal clock sources
+ * @{
+ */
+#define STM32_HSICLK 8000000 /**< High speed internal clock. */
+#define STM32_LSICLK 40000 /**< Low speed internal clock. */
+/** @} */
+
+/**
+ * @name PWR_CR register bits definitions
+ * @{
+ */
+#define STM32_PLS_MASK (7 << 5) /**< PLS bits mask. */
+#define STM32_PLS_LEV0 (0 << 5) /**< PVD level 0. */
+#define STM32_PLS_LEV1 (1 << 5) /**< PVD level 1. */
+#define STM32_PLS_LEV2 (2 << 5) /**< PVD level 2. */
+#define STM32_PLS_LEV3 (3 << 5) /**< PVD level 3. */
+#define STM32_PLS_LEV4 (4 << 5) /**< PVD level 4. */
+#define STM32_PLS_LEV5 (5 << 5) /**< PVD level 5. */
+#define STM32_PLS_LEV6 (6 << 5) /**< PVD level 6. */
+#define STM32_PLS_LEV7 (7 << 5) /**< PVD level 7. */
+/** @} */
+
+/*===========================================================================*/
+/* Platform capabilities. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief Disables the PWR/RCC initialization in the HAL.
+ */
+#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__)
+#define STM32_NO_INIT FALSE
+#endif
+
+/**
+ * @brief Enables or disables the programmable voltage detector.
+ */
+#if !defined(STM32_PVD_ENABLE) || defined(__DOXYGEN__)
+#define STM32_PVD_ENABLE FALSE
+#endif
+
+/**
+ * @brief Sets voltage level for programmable voltage detector.
+ */
+#if !defined(STM32_PLS) || defined(__DOXYGEN__)
+#define STM32_PLS STM32_PLS_LEV0
+#endif
+
+/**
+ * @brief Enables or disables the HSI clock source.
+ */
+#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__)
+#define STM32_HSI_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the LSI clock source.
+ */
+#if !defined(STM32_LSI_ENABLED) || defined(__DOXYGEN__)
+#define STM32_LSI_ENABLED FALSE
+#endif
+
+/**
+ * @brief Enables or disables the HSE clock source.
+ */
+#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__)
+#define STM32_HSE_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the LSE clock source.
+ */
+#if !defined(STM32_LSE_ENABLED) || defined(__DOXYGEN__)
+#define STM32_LSE_ENABLED FALSE
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if defined(STM32F10X_LD_VL) || defined(STM32F10X_MD_VL) || \
+ defined(STM32F10X_HD_VL) || defined(__DOXYGEN__)
+#include "hal_lld_f100.h"
+
+#elif defined(STM32F10X_LD) || defined(STM32F10X_MD) || \
+ defined(STM32F10X_HD) || defined(STM32F10X_XL) || \
+ defined(__DOXYGEN__)
+#include "hal_lld_f103.h"
+
+#elif defined(STM32F10X_CL) || defined(__DOXYGEN__)
+#include "hal_lld_f105_f107.h"
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/* Various helpers.*/
+#include "nvic.h"
+#include "stm32_isr.h"
+#include "stm32_dma.h"
+#include "stm32_rcc.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void hal_lld_init(void);
+ void stm32_clock_init(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _HAL_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/hal_lld_f100.h b/os/hal/ports/STM32/STM32F1xx/hal_lld_f100.h new file mode 100644 index 000000000..232d479c5 --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/hal_lld_f100.h @@ -0,0 +1,574 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @defgroup STM32F100_HAL STM32F100 HAL Support
+ * @details HAL support for STM32 Value Line LD, MD and HD sub-families.
+ *
+ * @ingroup HAL
+ */
+
+/**
+ * @file STM32F1xx/hal_lld_f100.h
+ * @brief STM32F100 Value Line HAL subsystem low level driver header.
+ *
+ * @addtogroup STM32F100_HAL
+ * @{
+ */
+
+#ifndef _HAL_LLD_F100_H_
+#define _HAL_LLD_F100_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Absolute Maximum Ratings
+ * @{
+ */
+/**
+ * @brief Maximum system clock frequency.
+ */
+#define STM32_SYSCLK_MAX 24000000
+
+/**
+ * @brief Maximum HSE clock frequency.
+ */
+#define STM32_HSECLK_MAX 24000000
+
+/**
+ * @brief Minimum HSE clock frequency.
+ */
+#define STM32_HSECLK_MIN 1000000
+
+/**
+ * @brief Maximum LSE clock frequency.
+ */
+#define STM32_LSECLK_MAX 1000000
+
+/**
+ * @brief Minimum LSE clock frequency.
+ */
+#define STM32_LSECLK_MIN 32768
+
+/**
+ * @brief Maximum PLLs input clock frequency.
+ */
+#define STM32_PLLIN_MAX 24000000
+
+/**
+ * @brief Maximum PLLs input clock frequency.
+ */
+#define STM32_PLLIN_MIN 1000000
+
+/**
+ * @brief Maximum PLL output clock frequency.
+ */
+#define STM32_PLLOUT_MAX 24000000
+
+/**
+ * @brief Maximum PLL output clock frequency.
+ */
+#define STM32_PLLOUT_MIN 16000000
+
+/**
+ * @brief Maximum APB1 clock frequency.
+ */
+#define STM32_PCLK1_MAX 24000000
+
+/**
+ * @brief Maximum APB2 clock frequency.
+ */
+#define STM32_PCLK2_MAX 24000000
+
+/**
+ * @brief Maximum ADC clock frequency.
+ */
+#define STM32_ADCCLK_MAX 12000000
+/** @} */
+
+/**
+ * @name RCC_CFGR register bits definitions
+ * @{
+ */
+#define STM32_SW_HSI (0 << 0) /**< SYSCLK source is HSI. */
+#define STM32_SW_HSE (1 << 0) /**< SYSCLK source is HSE. */
+#define STM32_SW_PLL (2 << 0) /**< SYSCLK source is PLL. */
+
+#define STM32_HPRE_DIV1 (0 << 4) /**< SYSCLK divided by 1. */
+#define STM32_HPRE_DIV2 (8 << 4) /**< SYSCLK divided by 2. */
+#define STM32_HPRE_DIV4 (9 << 4) /**< SYSCLK divided by 4. */
+#define STM32_HPRE_DIV8 (10 << 4) /**< SYSCLK divided by 8. */
+#define STM32_HPRE_DIV16 (11 << 4) /**< SYSCLK divided by 16. */
+#define STM32_HPRE_DIV64 (12 << 4) /**< SYSCLK divided by 64. */
+#define STM32_HPRE_DIV128 (13 << 4) /**< SYSCLK divided by 128. */
+#define STM32_HPRE_DIV256 (14 << 4) /**< SYSCLK divided by 256. */
+#define STM32_HPRE_DIV512 (15 << 4) /**< SYSCLK divided by 512. */
+
+#define STM32_PPRE1_DIV1 (0 << 8) /**< HCLK divided by 1. */
+#define STM32_PPRE1_DIV2 (4 << 8) /**< HCLK divided by 2. */
+#define STM32_PPRE1_DIV4 (5 << 8) /**< HCLK divided by 4. */
+#define STM32_PPRE1_DIV8 (6 << 8) /**< HCLK divided by 8. */
+#define STM32_PPRE1_DIV16 (7 << 8) /**< HCLK divided by 16. */
+
+#define STM32_PPRE2_DIV1 (0 << 11) /**< HCLK divided by 1. */
+#define STM32_PPRE2_DIV2 (4 << 11) /**< HCLK divided by 2. */
+#define STM32_PPRE2_DIV4 (5 << 11) /**< HCLK divided by 4. */
+#define STM32_PPRE2_DIV8 (6 << 11) /**< HCLK divided by 8. */
+#define STM32_PPRE2_DIV16 (7 << 11) /**< HCLK divided by 16. */
+
+#define STM32_ADCPRE_DIV2 (0 << 14) /**< PPRE2 divided by 2. */
+#define STM32_ADCPRE_DIV4 (1 << 14) /**< PPRE2 divided by 4. */
+#define STM32_ADCPRE_DIV6 (2 << 14) /**< PPRE2 divided by 6. */
+#define STM32_ADCPRE_DIV8 (3 << 14) /**< PPRE2 divided by 8. */
+
+#define STM32_PLLSRC_HSI (0 << 16) /**< PLL clock source is HSI. */
+#define STM32_PLLSRC_HSE (1 << 16) /**< PLL clock source is HSE. */
+
+#define STM32_PLLXTPRE_DIV1 (0 << 17) /**< HSE divided by 1. */
+#define STM32_PLLXTPRE_DIV2 (1 << 17) /**< HSE divided by 2. */
+
+#define STM32_MCOSEL_NOCLOCK (0 << 24) /**< No clock on MCO pin. */
+#define STM32_MCOSEL_SYSCLK (4 << 24) /**< SYSCLK on MCO pin. */
+#define STM32_MCOSEL_HSI (5 << 24) /**< HSI clock on MCO pin. */
+#define STM32_MCOSEL_HSE (6 << 24) /**< HSE clock on MCO pin. */
+#define STM32_MCOSEL_PLLDIV2 (7 << 24) /**< PLL/2 clock on MCO pin. */
+/** @} */
+
+/**
+ * @name RCC_BDCR register bits definitions
+ * @{
+ */
+#define STM32_RTCSEL_MASK (3 << 8) /**< RTC clock source mask. */
+#define STM32_RTCSEL_NOCLOCK (0 << 8) /**< No clock. */
+#define STM32_RTCSEL_LSE (1 << 8) /**< LSE used as RTC clock. */
+#define STM32_RTCSEL_LSI (2 << 8) /**< LSI used as RTC clock. */
+#define STM32_RTCSEL_HSEDIV (3 << 8) /**< HSE divided by 128 used as
+ RTC clock. */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief Main clock source selection.
+ * @note If the selected clock source is not the PLL then the PLL is not
+ * initialized and started.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_SW) || defined(__DOXYGEN__)
+#define STM32_SW STM32_SW_PLL
+#endif
+
+/**
+ * @brief Clock source for the PLL.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__)
+#define STM32_PLLSRC STM32_PLLSRC_HSE
+#endif
+
+/**
+ * @brief Crystal PLL pre-divider.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PLLXTPRE) || defined(__DOXYGEN__)
+#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
+#endif
+
+/**
+ * @brief PLL multiplier value.
+ * @note The allowed range is 2...16.
+ * @note The default value is calculated for a 24MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PLLMUL_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLMUL_VALUE 3
+#endif
+
+/**
+ * @brief AHB prescaler value.
+ * @note The default value is calculated for a 24MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_HPRE) || defined(__DOXYGEN__)
+#define STM32_HPRE STM32_HPRE_DIV1
+#endif
+
+/**
+ * @brief APB1 prescaler value.
+ */
+#if !defined(STM32_PPRE1) || defined(__DOXYGEN__)
+#define STM32_PPRE1 STM32_PPRE1_DIV1
+#endif
+
+/**
+ * @brief APB2 prescaler value.
+ */
+#if !defined(STM32_PPRE2) || defined(__DOXYGEN__)
+#define STM32_PPRE2 STM32_PPRE2_DIV1
+#endif
+
+/**
+ * @brief ADC prescaler value.
+ */
+#if !defined(STM32_ADCPRE) || defined(__DOXYGEN__)
+#define STM32_ADCPRE STM32_ADCPRE_DIV2
+#endif
+
+/**
+ * @brief MCO pin setting.
+ */
+#if !defined(STM32_MCOSEL) || defined(__DOXYGEN__)
+#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK
+#endif
+
+/**
+ * @brief RTC clock source.
+ */
+#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
+#define STM32_RTCSEL STM32_RTCSEL_LSI
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*
+ * Configuration-related checks.
+ */
+#if !defined(STM32F100_MCUCONF)
+#error "Using a wrong mcuconf.h file, STM32F100_MCUCONF not defined"
+#endif
+
+/*
+ * HSI related checks.
+ */
+#if STM32_HSI_ENABLED
+#else /* !STM32_HSI_ENABLED */
+
+#if STM32_SW == STM32_SW_HSI
+#error "HSI not enabled, required by STM32_SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI)
+#error "HSI not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCOSEL == STM32_MCOSEL_HSI) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSI))
+#error "HSI not enabled, required by STM32_MCOSEL"
+#endif
+
+#endif /* !STM32_HSI_ENABLED */
+
+/*
+ * HSE related checks.
+ */
+#if STM32_HSE_ENABLED
+
+#if STM32_HSECLK == 0
+#error "HSE frequency not defined"
+#elif (STM32_HSECLK < STM32_HSECLK_MIN) || (STM32_HSECLK > STM32_HSECLK_MAX)
+#error "STM32_HSECLK outside acceptable range (STM32_HSECLK_MIN...STM32_HSECLK_MAX)"
+#endif
+
+#else /* !STM32_HSE_ENABLED */
+
+#if STM32_SW == STM32_SW_HSE
+#error "HSE not enabled, required by STM32_SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSE)
+#error "HSE not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCOSEL == STM32_MCOSEL_HSE) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSE))
+#error "HSE not enabled, required by STM32_MCOSEL"
+#endif
+
+#if STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#error "HSE not enabled, required by STM32_RTCSELSEL"
+#endif
+
+#endif /* !STM32_HSE_ENABLED */
+
+/*
+ * LSI related checks.
+ */
+#if STM32_LSI_ENABLED
+#else /* !STM32_LSI_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSI
+#error "LSI not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSI_ENABLED */
+
+/*
+ * LSE related checks.
+ */
+#if STM32_LSE_ENABLED
+
+#if (STM32_LSECLK == 0)
+#error "LSE frequency not defined"
+#endif
+
+#if (STM32_LSECLK < STM32_LSECLK_MIN) || (STM32_LSECLK > STM32_LSECLK_MAX)
+#error "STM32_LSECLK outside acceptable range (STM32_LSECLK_MIN...STM32_LSECLK_MAX)"
+#endif
+
+#else /* !STM32_LSE_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSE
+#error "LSE not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSE_ENABLED */
+
+/* PLL activation conditions.*/
+#if (STM32_SW == STM32_SW_PLL) || \
+ (STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) || \
+ defined(__DOXYGEN__)
+/**
+ * @brief PLL activation flag.
+ */
+#define STM32_ACTIVATE_PLL TRUE
+#else
+#define STM32_ACTIVATE_PLL FALSE
+#endif
+
+/* HSE prescaler setting check.*/
+#if (STM32_PLLXTPRE != STM32_PLLXTPRE_DIV1) && \
+ (STM32_PLLXTPRE != STM32_PLLXTPRE_DIV2)
+#error "invalid STM32_PLLXTPRE value specified"
+#endif
+
+/**
+ * @brief PLLMUL field.
+ */
+#if ((STM32_PLLMUL_VALUE >= 2) && (STM32_PLLMUL_VALUE <= 16)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLLMUL ((STM32_PLLMUL_VALUE - 2) << 18)
+#else
+#error "invalid STM32_PLLMUL_VALUE value specified"
+#endif
+
+/**
+ * @brief PLL input clock frequency.
+ */
+#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__)
+#if STM32_PLLXTPRE == STM32_PLLXTPRE_DIV1
+#define STM32_PLLCLKIN (STM32_HSECLK / 1)
+#else
+#define STM32_PLLCLKIN (STM32_HSECLK / 2)
+#endif
+#elif STM32_PLLSRC == STM32_PLLSRC_HSI
+#define STM32_PLLCLKIN (STM32_HSICLK / 2)
+#else
+#error "invalid STM32_PLLSRC value specified"
+#endif
+
+/* PLL input frequency range check.*/
+#if (STM32_PLLCLKIN < STM32_PLLIN_MIN) || (STM32_PLLCLKIN > STM32_PLLIN_MAX)
+#error "STM32_PLLCLKIN outside acceptable range (STM32_PLLIN_MIN...STM32_PLLIN_MAX)"
+#endif
+
+/**
+ * @brief PLL output clock frequency.
+ */
+#define STM32_PLLCLKOUT (STM32_PLLCLKIN * STM32_PLLMUL_VALUE)
+
+/* PLL output frequency range check.*/
+#if (STM32_PLLCLKOUT < STM32_PLLOUT_MIN) || (STM32_PLLCLKOUT > STM32_PLLOUT_MAX)
+#error "STM32_PLLCLKOUT outside acceptable range (STM32_PLLOUT_MIN...STM32_PLLOUT_MAX)"
+#endif
+
+/**
+ * @brief System clock source.
+ */
+#if (STM32_SW == STM32_SW_PLL) || defined(__DOXYGEN__)
+#define STM32_SYSCLK STM32_PLLCLKOUT
+#elif (STM32_SW == STM32_SW_HSI)
+#define STM32_SYSCLK STM32_HSICLK
+#elif (STM32_SW == STM32_SW_HSE)
+#define STM32_SYSCLK STM32_HSECLK
+#else
+#error "invalid STM32_SW value specified"
+#endif
+
+/* Check on the system clock.*/
+#if STM32_SYSCLK > STM32_SYSCLK_MAX
+#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief AHB frequency.
+ */
+#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__)
+#define STM32_HCLK (STM32_SYSCLK / 1)
+#elif STM32_HPRE == STM32_HPRE_DIV2
+#define STM32_HCLK (STM32_SYSCLK / 2)
+#elif STM32_HPRE == STM32_HPRE_DIV4
+#define STM32_HCLK (STM32_SYSCLK / 4)
+#elif STM32_HPRE == STM32_HPRE_DIV8
+#define STM32_HCLK (STM32_SYSCLK / 8)
+#elif STM32_HPRE == STM32_HPRE_DIV16
+#define STM32_HCLK (STM32_SYSCLK / 16)
+#elif STM32_HPRE == STM32_HPRE_DIV64
+#define STM32_HCLK (STM32_SYSCLK / 64)
+#elif STM32_HPRE == STM32_HPRE_DIV128
+#define STM32_HCLK (STM32_SYSCLK / 128)
+#elif STM32_HPRE == STM32_HPRE_DIV256
+#define STM32_HCLK (STM32_SYSCLK / 256)
+#elif STM32_HPRE == STM32_HPRE_DIV512
+#define STM32_HCLK (STM32_SYSCLK / 512)
+#else
+#error "invalid STM32_HPRE value specified"
+#endif
+
+/* AHB frequency check.*/
+#if STM32_HCLK > STM32_SYSCLK_MAX
+#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief APB1 frequency.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK1 (STM32_HCLK / 1)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV2
+#define STM32_PCLK1 (STM32_HCLK / 2)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV4
+#define STM32_PCLK1 (STM32_HCLK / 4)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV8
+#define STM32_PCLK1 (STM32_HCLK / 8)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV16
+#define STM32_PCLK1 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE1 value specified"
+#endif
+
+/* APB1 frequency check.*/
+#if STM32_PCLK1 > STM32_PCLK1_MAX
+#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)"
+#endif
+
+/**
+ * @brief APB2 frequency.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK2 (STM32_HCLK / 1)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV2
+#define STM32_PCLK2 (STM32_HCLK / 2)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV4
+#define STM32_PCLK2 (STM32_HCLK / 4)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV8
+#define STM32_PCLK2 (STM32_HCLK / 8)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV16
+#define STM32_PCLK2 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE2 value specified"
+#endif
+
+/* APB2 frequency check.*/
+#if STM32_PCLK2 > STM32_PCLK2_MAX
+#error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)"
+#endif
+
+/**
+ * @brief RTC clock.
+ */
+#if (STM32_RTCSEL == STM32_RTCSEL_LSE) || defined(__DOXYGEN__)
+#define STM32_RTCCLK STM32_LSECLK
+#elif STM32_RTCSEL == STM32_RTCSEL_LSI
+#define STM32_RTCCLK STM32_LSICLK
+#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#define STM32_RTCCLK (STM32_HSECLK / 128)
+#elif STM32_RTCSEL == STM32_RTCSEL_NOCLOCK
+#define STM32_RTCCLK 0
+#else
+#error "invalid source selected for RTC clock"
+#endif
+
+/**
+ * @brief ADC frequency.
+ */
+#if (STM32_ADCPRE == STM32_ADCPRE_DIV2) || defined(__DOXYGEN__)
+#define STM32_ADCCLK (STM32_PCLK2 / 2)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV4
+#define STM32_ADCCLK (STM32_PCLK2 / 4)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV6
+#define STM32_ADCCLK (STM32_PCLK2 / 6)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV8
+#define STM32_ADCCLK (STM32_PCLK2 / 8)
+#else
+#error "invalid STM32_ADCPRE value specified"
+#endif
+
+/* ADC frequency check.*/
+#if STM32_ADCCLK > STM32_ADCCLK_MAX
+#error "STM32_ADCCLK exceeding maximum frequency (STM32_ADCCLK_MAX)"
+#endif
+
+/**
+ * @brief Timers 2, 3, 4, 5, 6, 7, 12, 13, 14 clock.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK1 (STM32_PCLK1 * 1)
+#else
+#define STM32_TIMCLK1 (STM32_PCLK1 * 2)
+#endif
+
+/**
+ * @brief Timers 1, 8, 9, 10, 11 clock.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK2 (STM32_PCLK2 * 1)
+#else
+#define STM32_TIMCLK2 (STM32_PCLK2 * 2)
+#endif
+
+/**
+ * @brief Flash settings.
+ */
+#if (STM32_HCLK <= 24000000) || defined(__DOXYGEN__)
+#define STM32_FLASHBITS 0x00000010
+#elif STM32_HCLK <= 48000000
+#define STM32_FLASHBITS 0x00000011
+#else
+#define STM32_FLASHBITS 0x00000012
+#endif
+
+#endif /* _HAL_LLD_F100_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/hal_lld_f103.h b/os/hal/ports/STM32/STM32F1xx/hal_lld_f103.h new file mode 100644 index 000000000..280d9e5fb --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/hal_lld_f103.h @@ -0,0 +1,604 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @defgroup STM32F103_HAL STM32F103 HAL Support
+ * @details HAL support for STM32 Performance Line LD, MD and HD sub-families.
+ *
+ * @ingroup HAL
+ */
+
+/**
+ * @file STM32F1xx/hal_lld_f103.h
+ * @brief STM32F103 Performance Line HAL subsystem low level driver header.
+ *
+ * @addtogroup STM32F103_HAL
+ * @{
+ */
+
+#ifndef _HAL_LLD_F103_H_
+#define _HAL_LLD_F103_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Absolute Maximum Ratings
+ * @{
+ */
+/**
+ * @brief Maximum system clock frequency.
+ */
+#define STM32_SYSCLK_MAX 72000000
+
+/**
+ * @brief Maximum HSE clock frequency.
+ */
+#define STM32_HSECLK_MAX 25000000
+
+/**
+ * @brief Minimum HSE clock frequency.
+ */
+#define STM32_HSECLK_MIN 1000000
+
+/**
+ * @brief Maximum LSE clock frequency.
+ */
+#define STM32_LSECLK_MAX 1000000
+
+/**
+ * @brief Minimum LSE clock frequency.
+ */
+#define STM32_LSECLK_MIN 32768
+
+/**
+ * @brief Maximum PLLs input clock frequency.
+ */
+#define STM32_PLLIN_MAX 25000000
+
+/**
+ * @brief Maximum PLLs input clock frequency.
+ */
+#define STM32_PLLIN_MIN 1000000
+
+/**
+ * @brief Maximum PLL output clock frequency.
+ */
+#define STM32_PLLOUT_MAX 72000000
+
+/**
+ * @brief Maximum PLL output clock frequency.
+ */
+#define STM32_PLLOUT_MIN 16000000
+
+/**
+ * @brief Maximum APB1 clock frequency.
+ */
+#define STM32_PCLK1_MAX 36000000
+
+/**
+ * @brief Maximum APB2 clock frequency.
+ */
+#define STM32_PCLK2_MAX 72000000
+
+/**
+ * @brief Maximum ADC clock frequency.
+ */
+#define STM32_ADCCLK_MAX 14000000
+/** @} */
+
+/**
+ * @name RCC_CFGR register bits definitions
+ * @{
+ */
+#define STM32_SW_HSI (0 << 0) /**< SYSCLK source is HSI. */
+#define STM32_SW_HSE (1 << 0) /**< SYSCLK source is HSE. */
+#define STM32_SW_PLL (2 << 0) /**< SYSCLK source is PLL. */
+
+#define STM32_HPRE_DIV1 (0 << 4) /**< SYSCLK divided by 1. */
+#define STM32_HPRE_DIV2 (8 << 4) /**< SYSCLK divided by 2. */
+#define STM32_HPRE_DIV4 (9 << 4) /**< SYSCLK divided by 4. */
+#define STM32_HPRE_DIV8 (10 << 4) /**< SYSCLK divided by 8. */
+#define STM32_HPRE_DIV16 (11 << 4) /**< SYSCLK divided by 16. */
+#define STM32_HPRE_DIV64 (12 << 4) /**< SYSCLK divided by 64. */
+#define STM32_HPRE_DIV128 (13 << 4) /**< SYSCLK divided by 128. */
+#define STM32_HPRE_DIV256 (14 << 4) /**< SYSCLK divided by 256. */
+#define STM32_HPRE_DIV512 (15 << 4) /**< SYSCLK divided by 512. */
+
+#define STM32_PPRE1_DIV1 (0 << 8) /**< HCLK divided by 1. */
+#define STM32_PPRE1_DIV2 (4 << 8) /**< HCLK divided by 2. */
+#define STM32_PPRE1_DIV4 (5 << 8) /**< HCLK divided by 4. */
+#define STM32_PPRE1_DIV8 (6 << 8) /**< HCLK divided by 8. */
+#define STM32_PPRE1_DIV16 (7 << 8) /**< HCLK divided by 16. */
+
+#define STM32_PPRE2_DIV1 (0 << 11) /**< HCLK divided by 1. */
+#define STM32_PPRE2_DIV2 (4 << 11) /**< HCLK divided by 2. */
+#define STM32_PPRE2_DIV4 (5 << 11) /**< HCLK divided by 4. */
+#define STM32_PPRE2_DIV8 (6 << 11) /**< HCLK divided by 8. */
+#define STM32_PPRE2_DIV16 (7 << 11) /**< HCLK divided by 16. */
+
+#define STM32_ADCPRE_DIV2 (0 << 14) /**< PPRE2 divided by 2. */
+#define STM32_ADCPRE_DIV4 (1 << 14) /**< PPRE2 divided by 4. */
+#define STM32_ADCPRE_DIV6 (2 << 14) /**< PPRE2 divided by 6. */
+#define STM32_ADCPRE_DIV8 (3 << 14) /**< PPRE2 divided by 8. */
+
+#define STM32_PLLSRC_HSI (0 << 16) /**< PLL clock source is HSI. */
+#define STM32_PLLSRC_HSE (1 << 16) /**< PLL clock source is HSE. */
+
+#define STM32_PLLXTPRE_DIV1 (0 << 17) /**< HSE divided by 1. */
+#define STM32_PLLXTPRE_DIV2 (1 << 17) /**< HSE divided by 2. */
+
+#define STM32_USBPRE_DIV1P5 (0 << 22) /**< PLLOUT divided by 1.5. */
+#define STM32_USBPRE_DIV1 (1 << 22) /**< PLLOUT divided by 1. */
+
+#define STM32_MCOSEL_NOCLOCK (0 << 24) /**< No clock on MCO pin. */
+#define STM32_MCOSEL_SYSCLK (4 << 24) /**< SYSCLK on MCO pin. */
+#define STM32_MCOSEL_HSI (5 << 24) /**< HSI clock on MCO pin. */
+#define STM32_MCOSEL_HSE (6 << 24) /**< HSE clock on MCO pin. */
+#define STM32_MCOSEL_PLLDIV2 (7 << 24) /**< PLL/2 clock on MCO pin. */
+/** @} */
+
+/**
+ * @name RCC_BDCR register bits definitions
+ * @{
+ */
+#define STM32_RTCSEL_MASK (3 << 8) /**< RTC clock source mask. */
+#define STM32_RTCSEL_NOCLOCK (0 << 8) /**< No clock. */
+#define STM32_RTCSEL_LSE (1 << 8) /**< LSE used as RTC clock. */
+#define STM32_RTCSEL_LSI (2 << 8) /**< LSI used as RTC clock. */
+#define STM32_RTCSEL_HSEDIV (3 << 8) /**< HSE divided by 128 used as
+ RTC clock. */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief Main clock source selection.
+ * @note If the selected clock source is not the PLL then the PLL is not
+ * initialized and started.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_SW) || defined(__DOXYGEN__)
+#define STM32_SW STM32_SW_PLL
+#endif
+
+/**
+ * @brief Clock source for the PLL.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__)
+#define STM32_PLLSRC STM32_PLLSRC_HSE
+#endif
+
+/**
+ * @brief Crystal PLL pre-divider.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PLLXTPRE) || defined(__DOXYGEN__)
+#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
+#endif
+
+/**
+ * @brief PLL multiplier value.
+ * @note The allowed range is 2...16.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PLLMUL_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLMUL_VALUE 9
+#endif
+
+/**
+ * @brief AHB prescaler value.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_HPRE) || defined(__DOXYGEN__)
+#define STM32_HPRE STM32_HPRE_DIV1
+#endif
+
+/**
+ * @brief APB1 prescaler value.
+ */
+#if !defined(STM32_PPRE1) || defined(__DOXYGEN__)
+#define STM32_PPRE1 STM32_PPRE1_DIV2
+#endif
+
+/**
+ * @brief APB2 prescaler value.
+ */
+#if !defined(STM32_PPRE2) || defined(__DOXYGEN__)
+#define STM32_PPRE2 STM32_PPRE2_DIV2
+#endif
+
+/**
+ * @brief ADC prescaler value.
+ */
+#if !defined(STM32_ADCPRE) || defined(__DOXYGEN__)
+#define STM32_ADCPRE STM32_ADCPRE_DIV4
+#endif
+
+/**
+ * @brief USB clock setting.
+ */
+#if !defined(STM32_USB_CLOCK_REQUIRED) || defined(__DOXYGEN__)
+#define STM32_USB_CLOCK_REQUIRED TRUE
+#endif
+
+/**
+ * @brief USB prescaler initialization.
+ */
+#if !defined(STM32_USBPRE) || defined(__DOXYGEN__)
+#define STM32_USBPRE STM32_USBPRE_DIV1P5
+#endif
+
+/**
+ * @brief MCO pin setting.
+ */
+#if !defined(STM32_MCOSEL) || defined(__DOXYGEN__)
+#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK
+#endif
+
+/**
+ * @brief RTC clock source.
+ */
+#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
+#define STM32_RTCSEL STM32_RTCSEL_LSI
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*
+ * Configuration-related checks.
+ */
+#if !defined(STM32F103_MCUCONF)
+#error "Using a wrong mcuconf.h file, STM32F103_MCUCONF not defined"
+#endif
+
+/*
+ * HSI related checks.
+ */
+#if STM32_HSI_ENABLED
+#else /* !STM32_HSI_ENABLED */
+
+#if STM32_SW == STM32_SW_HSI
+#error "HSI not enabled, required by STM32_SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI)
+#error "HSI not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCOSEL == STM32_MCOSEL_HSI) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSI))
+#error "HSI not enabled, required by STM32_MCOSEL"
+#endif
+
+#endif /* !STM32_HSI_ENABLED */
+
+/*
+ * HSE related checks.
+ */
+#if STM32_HSE_ENABLED
+
+#if STM32_HSECLK == 0
+#error "HSE frequency not defined"
+#elif (STM32_HSECLK < STM32_HSECLK_MIN) || (STM32_HSECLK > STM32_HSECLK_MAX)
+#error "STM32_HSECLK outside acceptable range (STM32_HSECLK_MIN...STM32_HSECLK_MAX)"
+#endif
+
+#else /* !STM32_HSE_ENABLED */
+
+#if STM32_SW == STM32_SW_HSE
+#error "HSE not enabled, required by STM32_SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSE)
+#error "HSE not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCOSEL == STM32_MCOSEL_HSE) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSE))
+#error "HSE not enabled, required by STM32_MCOSEL"
+#endif
+
+#if STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#error "HSE not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_HSE_ENABLED */
+
+/*
+ * LSI related checks.
+ */
+#if STM32_LSI_ENABLED
+#else /* !STM32_LSI_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSI
+#error "LSI not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSI_ENABLED */
+
+/*
+ * LSE related checks.
+ */
+#if STM32_LSE_ENABLED
+
+#if (STM32_LSECLK == 0)
+#error "LSE frequency not defined"
+#endif
+
+#if (STM32_LSECLK < STM32_LSECLK_MIN) || (STM32_LSECLK > STM32_LSECLK_MAX)
+#error "STM32_LSECLK outside acceptable range (STM32_LSECLK_MIN...STM32_LSECLK_MAX)"
+#endif
+
+#else /* !STM32_LSE_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSE
+#error "LSE not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSE_ENABLED */
+
+/* PLL activation conditions.*/
+#if STM32_USB_CLOCK_REQUIRED || \
+ (STM32_SW == STM32_SW_PLL) || \
+ (STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) || \
+ defined(__DOXYGEN__)
+/**
+ * @brief PLL activation flag.
+ */
+#define STM32_ACTIVATE_PLL TRUE
+#else
+#define STM32_ACTIVATE_PLL FALSE
+#endif
+
+/* HSE prescaler setting check.*/
+#if (STM32_PLLXTPRE != STM32_PLLXTPRE_DIV1) && \
+ (STM32_PLLXTPRE != STM32_PLLXTPRE_DIV2)
+#error "invalid STM32_PLLXTPRE value specified"
+#endif
+
+/**
+ * @brief PLLMUL field.
+ */
+#if ((STM32_PLLMUL_VALUE >= 2) && (STM32_PLLMUL_VALUE <= 16)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLLMUL ((STM32_PLLMUL_VALUE - 2) << 18)
+#else
+#error "invalid STM32_PLLMUL_VALUE value specified"
+#endif
+
+/**
+ * @brief PLL input clock frequency.
+ */
+#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__)
+#if STM32_PLLXTPRE == STM32_PLLXTPRE_DIV1
+#define STM32_PLLCLKIN (STM32_HSECLK / 1)
+#else
+#define STM32_PLLCLKIN (STM32_HSECLK / 2)
+#endif
+#elif STM32_PLLSRC == STM32_PLLSRC_HSI
+#define STM32_PLLCLKIN (STM32_HSICLK / 2)
+#else
+#error "invalid STM32_PLLSRC value specified"
+#endif
+
+/* PLL input frequency range check.*/
+#if (STM32_PLLCLKIN < STM32_PLLIN_MIN) || (STM32_PLLCLKIN > STM32_PLLIN_MAX)
+#error "STM32_PLLCLKIN outside acceptable range (STM32_PLLIN_MIN...STM32_PLLIN_MAX)"
+#endif
+
+/**
+ * @brief PLL output clock frequency.
+ */
+#define STM32_PLLCLKOUT (STM32_PLLCLKIN * STM32_PLLMUL_VALUE)
+
+/* PLL output frequency range check.*/
+#if (STM32_PLLCLKOUT < STM32_PLLOUT_MIN) || (STM32_PLLCLKOUT > STM32_PLLOUT_MAX)
+#error "STM32_PLLCLKOUT outside acceptable range (STM32_PLLOUT_MIN...STM32_PLLOUT_MAX)"
+#endif
+
+/**
+ * @brief System clock source.
+ */
+#if (STM32_SW == STM32_SW_PLL) || defined(__DOXYGEN__)
+#define STM32_SYSCLK STM32_PLLCLKOUT
+#elif (STM32_SW == STM32_SW_HSI)
+#define STM32_SYSCLK STM32_HSICLK
+#elif (STM32_SW == STM32_SW_HSE)
+#define STM32_SYSCLK STM32_HSECLK
+#else
+#error "invalid STM32_SW value specified"
+#endif
+
+/* Check on the system clock.*/
+#if STM32_SYSCLK > STM32_SYSCLK_MAX
+#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief AHB frequency.
+ */
+#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__)
+#define STM32_HCLK (STM32_SYSCLK / 1)
+#elif STM32_HPRE == STM32_HPRE_DIV2
+#define STM32_HCLK (STM32_SYSCLK / 2)
+#elif STM32_HPRE == STM32_HPRE_DIV4
+#define STM32_HCLK (STM32_SYSCLK / 4)
+#elif STM32_HPRE == STM32_HPRE_DIV8
+#define STM32_HCLK (STM32_SYSCLK / 8)
+#elif STM32_HPRE == STM32_HPRE_DIV16
+#define STM32_HCLK (STM32_SYSCLK / 16)
+#elif STM32_HPRE == STM32_HPRE_DIV64
+#define STM32_HCLK (STM32_SYSCLK / 64)
+#elif STM32_HPRE == STM32_HPRE_DIV128
+#define STM32_HCLK (STM32_SYSCLK / 128)
+#elif STM32_HPRE == STM32_HPRE_DIV256
+#define STM32_HCLK (STM32_SYSCLK / 256)
+#elif STM32_HPRE == STM32_HPRE_DIV512
+#define STM32_HCLK (STM32_SYSCLK / 512)
+#else
+#error "invalid STM32_HPRE value specified"
+#endif
+
+/* AHB frequency check.*/
+#if STM32_HCLK > STM32_SYSCLK_MAX
+#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief APB1 frequency.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK1 (STM32_HCLK / 1)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV2
+#define STM32_PCLK1 (STM32_HCLK / 2)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV4
+#define STM32_PCLK1 (STM32_HCLK / 4)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV8
+#define STM32_PCLK1 (STM32_HCLK / 8)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV16
+#define STM32_PCLK1 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE1 value specified"
+#endif
+
+/* APB1 frequency check.*/
+#if STM32_PCLK1 > STM32_PCLK1_MAX
+#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)"
+#endif
+
+/**
+ * @brief APB2 frequency.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK2 (STM32_HCLK / 1)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV2
+#define STM32_PCLK2 (STM32_HCLK / 2)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV4
+#define STM32_PCLK2 (STM32_HCLK / 4)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV8
+#define STM32_PCLK2 (STM32_HCLK / 8)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV16
+#define STM32_PCLK2 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE2 value specified"
+#endif
+
+/* APB2 frequency check.*/
+#if STM32_PCLK2 > STM32_PCLK2_MAX
+#error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)"
+#endif
+
+/**
+ * @brief RTC clock.
+ */
+#if (STM32_RTCSEL == STM32_RTCSEL_LSE) || defined(__DOXYGEN__)
+#define STM32_RTCCLK STM32_LSECLK
+#elif STM32_RTCSEL == STM32_RTCSEL_LSI
+#define STM32_RTCCLK STM32_LSICLK
+#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#define STM32_RTCCLK (STM32_HSECLK / 128)
+#elif STM32_RTCSEL == STM32_RTCSEL_NOCLOCK
+#define STM32_RTCCLK 0
+#else
+#error "invalid source selected for RTC clock"
+#endif
+
+/**
+ * @brief ADC frequency.
+ */
+#if (STM32_ADCPRE == STM32_ADCPRE_DIV2) || defined(__DOXYGEN__)
+#define STM32_ADCCLK (STM32_PCLK2 / 2)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV4
+#define STM32_ADCCLK (STM32_PCLK2 / 4)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV6
+#define STM32_ADCCLK (STM32_PCLK2 / 6)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV8
+#define STM32_ADCCLK (STM32_PCLK2 / 8)
+#else
+#error "invalid STM32_ADCPRE value specified"
+#endif
+
+/* ADC frequency check.*/
+#if STM32_ADCCLK > STM32_ADCCLK_MAX
+#error "STM32_ADCCLK exceeding maximum frequency (STM32_ADCCLK_MAX)"
+#endif
+
+/**
+ * @brief USB frequency.
+ */
+#if (STM32_USBPRE == STM32_USBPRE_DIV1P5) || defined(__DOXYGEN__)
+#define STM32_USBCLK ((STM32_PLLCLKOUT * 2) / 3)
+#elif (STM32_USBPRE == STM32_USBPRE_DIV1)
+#define STM32_USBCLK STM32_PLLCLKOUT
+#else
+#error "invalid STM32_USBPRE value specified"
+#endif
+
+/**
+ * @brief Timers 2, 3, 4, 5, 6, 7, 12, 13, 14 clock.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK1 (STM32_PCLK1 * 1)
+#else
+#define STM32_TIMCLK1 (STM32_PCLK1 * 2)
+#endif
+
+/**
+ * @brief Timers 1, 8, 9, 10, 11 clock.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK2 (STM32_PCLK2 * 1)
+#else
+#define STM32_TIMCLK2 (STM32_PCLK2 * 2)
+#endif
+
+/**
+ * @brief Flash settings.
+ */
+#if (STM32_HCLK <= 24000000) || defined(__DOXYGEN__)
+#define STM32_FLASHBITS 0x00000010
+#elif STM32_HCLK <= 48000000
+#define STM32_FLASHBITS 0x00000011
+#else
+#define STM32_FLASHBITS 0x00000012
+#endif
+
+#endif /* _HAL_LLD_F103_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/hal_lld_f105_f107.h b/os/hal/ports/STM32/STM32F1xx/hal_lld_f105_f107.h new file mode 100644 index 000000000..0bed30a05 --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/hal_lld_f105_f107.h @@ -0,0 +1,814 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @defgroup STM32F10X_CL_HAL STM32F105/F107 HAL Support
+ * @details HAL support for STM32 Connectivity Line sub-family.
+ *
+ * @ingroup HAL
+ */
+
+/**
+ * @file STM32F1xx/hal_lld_f105_f107.h
+ * @brief STM32F10x Connectivity Line HAL subsystem low level driver header.
+ *
+ * @addtogroup STM32F10X_CL_HAL
+ * @{
+ */
+
+#ifndef _HAL_LLD_F105_F107_H_
+#define _HAL_LLD_F105_F107_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Absolute Maximum Ratings
+ * @{
+ */
+/**
+ * @brief Maximum system clock frequency.
+ */
+#define STM32_SYSCLK_MAX 72000000
+
+/**
+ * @brief Maximum HSE clock frequency.
+ */
+#define STM32_HSECLK_MAX 50000000
+
+/**
+ * @brief Minimum HSE clock frequency.
+ */
+#define STM32_HSECLK_MIN 1000000
+
+/**
+ * @brief Maximum LSE clock frequency.
+ */
+#define STM32_LSECLK_MAX 1000000
+
+/**
+ * @brief Minimum LSE clock frequency.
+ */
+#define STM32_LSECLK_MIN 32768
+
+/**
+ * @brief Maximum PLLs input clock frequency.
+ */
+#define STM32_PLL1IN_MAX 12000000
+
+/**
+ * @brief Maximum PLL1 input clock frequency.
+ */
+#define STM32_PLL1IN_MIN 3000000
+
+/**
+ * @brief Maximum PLL1 input clock frequency.
+ */
+#define STM32_PLL23IN_MAX 5000000
+
+/**
+ * @brief Maximum PLL2 and PLL3 input clock frequency.
+ */
+#define STM32_PLL23IN_MIN 3000000
+
+/**
+ * @brief Maximum PLL1 VCO clock frequency.
+ */
+#define STM32_PLL1VCO_MAX 144000000
+
+/**
+ * @brief Maximum PLL1 VCO clock frequency.
+ */
+#define STM32_PLL1VCO_MIN 36000000
+
+/**
+ * @brief Maximum PLL2 and PLL3 VCO clock frequency.
+ */
+#define STM32_PLL23VCO_MAX 148000000
+
+/**
+ * @brief Maximum PLL2 and PLL3 VCO clock frequency.
+ */
+#define STM32_PLL23VCO_MIN 80000000
+
+/**
+ * @brief Maximum APB1 clock frequency.
+ */
+#define STM32_PCLK1_MAX 36000000
+
+/**
+ * @brief Maximum APB2 clock frequency.
+ */
+#define STM32_PCLK2_MAX 72000000
+
+/**
+ * @brief Maximum ADC clock frequency.
+ */
+#define STM32_ADCCLK_MAX 14000000
+
+/**
+ * @brief Maximum SPI/I2S clock frequency.
+ */
+#define STM32_SPII2S_MAX 18000000
+/** @} */
+
+/**
+ * @name RCC_CFGR register bits definitions
+ * @{
+ */
+#define STM32_SW_HSI (0 << 0) /**< SYSCLK source is HSI. */
+#define STM32_SW_HSE (1 << 0) /**< SYSCLK source is HSE. */
+#define STM32_SW_PLL (2 << 0) /**< SYSCLK source is PLL. */
+
+#define STM32_HPRE_DIV1 (0 << 4) /**< SYSCLK divided by 1. */
+#define STM32_HPRE_DIV2 (8 << 4) /**< SYSCLK divided by 2. */
+#define STM32_HPRE_DIV4 (9 << 4) /**< SYSCLK divided by 4. */
+#define STM32_HPRE_DIV8 (10 << 4) /**< SYSCLK divided by 8. */
+#define STM32_HPRE_DIV16 (11 << 4) /**< SYSCLK divided by 16. */
+#define STM32_HPRE_DIV64 (12 << 4) /**< SYSCLK divided by 64. */
+#define STM32_HPRE_DIV128 (13 << 4) /**< SYSCLK divided by 128. */
+#define STM32_HPRE_DIV256 (14 << 4) /**< SYSCLK divided by 256. */
+#define STM32_HPRE_DIV512 (15 << 4) /**< SYSCLK divided by 512. */
+
+#define STM32_PPRE1_DIV1 (0 << 8) /**< HCLK divided by 1. */
+#define STM32_PPRE1_DIV2 (4 << 8) /**< HCLK divided by 2. */
+#define STM32_PPRE1_DIV4 (5 << 8) /**< HCLK divided by 4. */
+#define STM32_PPRE1_DIV8 (6 << 8) /**< HCLK divided by 8. */
+#define STM32_PPRE1_DIV16 (7 << 8) /**< HCLK divided by 16. */
+
+#define STM32_PPRE2_DIV1 (0 << 11) /**< HCLK divided by 1. */
+#define STM32_PPRE2_DIV2 (4 << 11) /**< HCLK divided by 2. */
+#define STM32_PPRE2_DIV4 (5 << 11) /**< HCLK divided by 4. */
+#define STM32_PPRE2_DIV8 (6 << 11) /**< HCLK divided by 8. */
+#define STM32_PPRE2_DIV16 (7 << 11) /**< HCLK divided by 16. */
+
+#define STM32_ADCPRE_DIV2 (0 << 14) /**< PPRE2 divided by 2. */
+#define STM32_ADCPRE_DIV4 (1 << 14) /**< PPRE2 divided by 4. */
+#define STM32_ADCPRE_DIV6 (2 << 14) /**< PPRE2 divided by 6. */
+#define STM32_ADCPRE_DIV8 (3 << 14) /**< PPRE2 divided by 8. */
+
+#define STM32_PLLSRC_HSI (0 << 16) /**< PLL clock source is HSI. */
+#define STM32_PLLSRC_PREDIV1 (1 << 16) /**< PLL clock source is
+ PREDIV1. */
+
+#define STM32_OTGFSPRE_DIV2 (1 << 22) /**< HCLK*2 divided by 2. */
+#define STM32_OTGFSPRE_DIV3 (0 << 22) /**< HCLK*2 divided by 3. */
+
+#define STM32_MCOSEL_NOCLOCK (0 << 24) /**< No clock on MCO pin. */
+#define STM32_MCOSEL_SYSCLK (4 << 24) /**< SYSCLK on MCO pin. */
+#define STM32_MCOSEL_HSI (5 << 24) /**< HSI clock on MCO pin. */
+#define STM32_MCOSEL_HSE (6 << 24) /**< HSE clock on MCO pin. */
+#define STM32_MCOSEL_PLLDIV2 (7 << 24) /**< PLL/2 clock on MCO pin. */
+#define STM32_MCOSEL_PLL2 (8 << 24) /**< PLL2 clock on MCO pin. */
+#define STM32_MCOSEL_PLL3DIV2 (9 << 24) /**< PLL3/2 clock on MCO pin. */
+#define STM32_MCOSEL_XT1 (10 << 24) /**< XT1 clock on MCO pin. */
+#define STM32_MCOSEL_PLL3 (11 << 24) /**< PLL3 clock on MCO pin. */
+/** @} */
+
+/**
+ * @name RCC_BDCR register bits definitions
+ * @{
+ */
+#define STM32_RTCSEL_MASK (3 << 8) /**< RTC clock source mask. */
+#define STM32_RTCSEL_NOCLOCK (0 << 8) /**< No clock. */
+#define STM32_RTCSEL_LSE (1 << 8) /**< LSE used as RTC clock. */
+#define STM32_RTCSEL_LSI (2 << 8) /**< LSI used as RTC clock. */
+#define STM32_RTCSEL_HSEDIV (3 << 8) /**< HSE divided by 128 used as
+ RTC clock. */
+/** @} */
+
+/**
+ * @name RCC_CFGR2 register bits definitions
+ * @{
+ */
+#define STM32_PREDIV1SRC_HSE (0 << 16) /**< PREDIV1 source is HSE. */
+#define STM32_PREDIV1SRC_PLL2 (1 << 16) /**< PREDIV1 source is PLL2. */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief Main clock source selection.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 25MHz crystal using both PLL and PLL2.
+ */
+#if !defined(STM32_SW) || defined(__DOXYGEN__)
+#define STM32_SW STM32_SW_PLL
+#endif
+
+/**
+ * @brief Clock source for the PLL.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 25MHz crystal using both PLL and PLL2.
+ */
+#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__)
+#define STM32_PLLSRC STM32_PLLSRC_PREDIV1
+#endif
+
+/**
+ * @brief PREDIV1 clock source.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 25MHz crystal using both PLL and PLL2.
+ */
+#if !defined(STM32_PREDIV1SRC) || defined(__DOXYGEN__)
+#define STM32_PREDIV1SRC STM32_PREDIV1SRC_HSE
+#endif
+
+/**
+ * @brief PREDIV1 division factor.
+ * @note The allowed range is 1...16.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 25MHz crystal using both PLL and PLL2.
+ */
+#if !defined(STM32_PREDIV1_VALUE) || defined(__DOXYGEN__)
+#define STM32_PREDIV1_VALUE 5
+#endif
+
+/**
+ * @brief PLL multiplier value.
+ * @note The allowed range is 4...9.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 25MHz crystal using both PLL and PLL2.
+ */
+#if !defined(STM32_PLLMUL_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLMUL_VALUE 9
+#endif
+
+/**
+ * @brief PREDIV2 division factor.
+ * @note The allowed range is 1...16.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 25MHz crystal using both PLL and PLL2.
+ */
+#if !defined(STM32_PREDIV2_VALUE) || defined(__DOXYGEN__)
+#define STM32_PREDIV2_VALUE 5
+#endif
+
+/**
+ * @brief PLL2 multiplier value.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 25MHz crystal using both PLL and PLL2.
+ */
+#if !defined(STM32_PLL2MUL_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLL2MUL_VALUE 8
+#endif
+
+/**
+ * @brief PLL3 multiplier value.
+ * @note The default value is calculated for a 50MHz clock from
+ * a 25MHz crystal.
+ */
+#if !defined(STM32_PLL3MUL_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLL3MUL_VALUE 10
+#endif
+
+/**
+ * @brief AHB prescaler value.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 25MHz crystal using both PLL and PLL2.
+ */
+#if !defined(STM32_HPRE) || defined(__DOXYGEN__)
+#define STM32_HPRE STM32_HPRE_DIV1
+#endif
+
+/**
+ * @brief APB1 prescaler value.
+ */
+#if !defined(STM32_PPRE1) || defined(__DOXYGEN__)
+#define STM32_PPRE1 STM32_PPRE1_DIV2
+#endif
+
+/**
+ * @brief APB2 prescaler value.
+ */
+#if !defined(STM32_PPRE2) || defined(__DOXYGEN__)
+#define STM32_PPRE2 STM32_PPRE2_DIV2
+#endif
+
+/**
+ * @brief ADC prescaler value.
+ */
+#if !defined(STM32_ADCPRE) || defined(__DOXYGEN__)
+#define STM32_ADCPRE STM32_ADCPRE_DIV4
+#endif
+
+/**
+ * @brief USB clock setting.
+ */
+#if !defined(STM32_OTG_CLOCK_REQUIRED) || defined(__DOXYGEN__)
+#define STM32_OTG_CLOCK_REQUIRED TRUE
+#endif
+
+/**
+ * @brief OTG prescaler initialization.
+ */
+#if !defined(STM32_OTGFSPRE) || defined(__DOXYGEN__)
+#define STM32_OTGFSPRE STM32_OTGFSPRE_DIV3
+#endif
+
+/**
+ * @brief Dedicated I2S clock setting.
+ */
+#if !defined(STM32_I2S_CLOCK_REQUIRED) || defined(__DOXYGEN__)
+#define STM32_I2S_CLOCK_REQUIRED FALSE
+#endif
+
+/**
+ * @brief MCO pin setting.
+ */
+#if !defined(STM32_MCOSEL) || defined(__DOXYGEN__)
+#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK
+#endif
+
+/**
+ * @brief RTC clock source.
+ */
+#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
+#define STM32_RTCSEL STM32_RTCSEL_HSEDIV
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*
+ * Configuration-related checks.
+ */
+#if !defined(STM32F107_MCUCONF)
+#error "Using a wrong mcuconf.h file, STM32F107_MCUCONF not defined"
+#endif
+
+/*
+ * HSI related checks.
+ */
+#if STM32_HSI_ENABLED
+#else /* !STM32_HSI_ENABLED */
+
+#if STM32_SW == STM32_SW_HSI
+#error "HSI not enabled, required by STM32_SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI)
+#error "HSI not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCOSEL == STM32_MCOSEL_HSI) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSI))
+#error "HSI not enabled, required by STM32_MCOSEL"
+#endif
+
+#endif /* !STM32_HSI_ENABLED */
+
+/*
+ * HSE related checks.
+ */
+#if STM32_HSE_ENABLED
+
+#if STM32_HSECLK == 0
+#error "HSE frequency not defined"
+#elif (STM32_HSECLK < STM32_HSECLK_MIN) || (STM32_HSECLK > STM32_HSECLK_MAX)
+#error "STM32_HSECLK outside acceptable range (STM32_HSECLK_MIN...STM32_HSECLK_MAX)"
+#endif
+
+#else /* !STM32_HSE_ENABLED */
+
+#if STM32_SW == STM32_SW_HSE
+#error "HSE not enabled, required by STM32_SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_PREDIV1)
+#error "HSE not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCOSEL == STM32_MCOSEL_HSE) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSE)) || \
+ (STM32_MCOSEL == STM32_MCOSEL_PLL2DIV2) || \
+ (STM32_MCOSEL == STM32_MCOSEL_PLL3DIV2) || \
+ (STM32_MCOSEL == STM32_MCOSEL_XT1)
+#error "HSE not enabled, required by STM32_MCOSEL"
+#endif
+
+#if STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#error "HSE not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_HSE_ENABLED */
+
+/*
+ * LSI related checks.
+ */
+#if STM32_LSI_ENABLED
+#else /* !STM32_LSI_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSI
+#error "LSI not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSI_ENABLED */
+
+/*
+ * LSE related checks.
+ */
+#if STM32_LSE_ENABLED
+
+#if (STM32_LSECLK == 0)
+#error "LSE frequency not defined"
+#endif
+
+#if (STM32_LSECLK < STM32_LSECLK_MIN) || (STM32_LSECLK > STM32_LSECLK_MAX)
+#error "STM32_LSECLK outside acceptable range (STM32_LSECLK_MIN...STM32_LSECLK_MAX)"
+#endif
+
+#else /* !STM32_LSE_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSE
+#error "LSE not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSE_ENABLED */
+
+/* PLL1 activation conditions.*/
+#if STM32_OTG_CLOCK_REQUIRED || \
+ (STM32_SW == STM32_SW_PLL) || \
+ (STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) || \
+ defined(__DOXYGEN__)
+/**
+ * @brief PLL1 activation flag.
+ */
+#define STM32_ACTIVATE_PLL1 TRUE
+#else
+#define STM32_ACTIVATE_PLL1 FALSE
+#endif
+
+/* PLL2 activation conditions.*/
+#if ((STM32_PREDIV1SRC == STM32_PREDIV1SRC_PLL2) && STM32_ACTIVATE_PLL1) || \
+ (STM32_MCOSEL == STM32_MCOSEL_PLL2DIV2) || \
+ defined(__DOXYGEN__)
+/**
+ * @brief PLL2 activation flag.
+ */
+#define STM32_ACTIVATE_PLL2 TRUE
+#else
+#define STM32_ACTIVATE_PLL2 FALSE
+#endif
+
+/* PLL3 activation conditions.*/
+#if STM32_I2S_CLOCK_REQUIRED || \
+ (STM32_MCOSEL == STM32_MCOSEL_PLL3DIV2) || \
+ (STM32_MCOSEL == STM32_MCOSEL_PLL3) || \
+ defined(__DOXYGEN__)
+/**
+ * @brief PLL3 activation flag.
+ */
+#define STM32_ACTIVATE_PLL3 TRUE
+#else
+#define STM32_ACTIVATE_PLL3 FALSE
+#endif
+
+/**
+ * @brief PREDIV1 field.
+ */
+#if (STM32_PREDIV1_VALUE >= 1) && (STM32_PREDIV1_VALUE <= 16) || \
+ defined(__DOXYGEN__)
+#define STM32_PREDIV1 ((STM32_PREDIV1_VALUE - 1) << 0)
+#else
+#error "invalid STM32_PREDIV1_VALUE value specified"
+#endif
+
+/**
+ * @brief PREDIV2 field.
+ */
+#if (STM32_PREDIV2_VALUE >= 1) && (STM32_PREDIV2_VALUE <= 16) || \
+ defined(__DOXYGEN__)
+#define STM32_PREDIV2 ((STM32_PREDIV2_VALUE - 1) << 4)
+#else
+#error "invalid STM32_PREDIV2_VALUE value specified"
+#endif
+
+/**
+ * @brief PLLMUL field.
+ */
+#if ((STM32_PLLMUL_VALUE >= 4) && (STM32_PLLMUL_VALUE <= 9)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLLMUL ((STM32_PLLMUL_VALUE - 2) << 18)
+#else
+#error "invalid STM32_PLLMUL_VALUE value specified"
+#endif
+
+/**
+ * @brief PLL2MUL field.
+ */
+#if ((STM32_PLL2MUL_VALUE >= 8) && (STM32_PLL2MUL_VALUE <= 14)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLL2MUL ((STM32_PLL2MUL_VALUE - 2) << 8)
+#elif (STM32_PLL2MUL_VALUE == 16)
+#define STM32_PLL2MUL (14 << 8)
+#elif (STM32_PLL2MUL_VALUE == 20)
+#define STM32_PLL2MUL (15 << 8)
+#else
+#error "invalid STM32_PLL2MUL_VALUE value specified"
+#endif
+
+/**
+ * @brief PLL3MUL field.
+ */
+#if ((STM32_PLL3MUL_VALUE >= 8) && (STM32_PLL3MUL_VALUE <= 14)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLL3MUL ((STM32_PLL3MUL_VALUE - 2) << 12)
+#elif (STM32_PLL3MUL_VALUE == 16)
+#define STM32_PLL3MUL (14 << 12)
+#elif (STM32_PLL3MUL_VALUE == 20)
+#define STM32_PLL3MUL (15 << 12)
+#else
+#error "invalid STM32_PLL3MUL_VALUE value specified"
+#endif
+
+/**
+ * @brief PLL2 input frequency.
+ */
+#define STM32_PLL2CLKIN (STM32_HSECLK / STM32_PREDIV2_VALUE)
+
+/* PLL2 input frequency range check.*/
+#if (STM32_PLL2CLKIN < STM32_PLL23IN_MIN) || \
+ (STM32_PLL2CLKIN > STM32_PLL23IN_MAX)
+#error "STM32_PLL2CLKIN outside acceptable range (STM32_PLL23IN_MIN...STM32_PLL23IN_MAX)"
+#endif
+
+/**
+ * @brief PLL2 output clock frequency.
+ */
+#define STM32_PLL2CLKOUT (STM32_PLL2CLKIN * STM32_PLL2MUL_VALUE)
+
+/**
+ * @brief PLL2 VCO clock frequency.
+ */
+#define STM32_PLL2VCO (STM32_PLL2CLKOUT * 2)
+
+/* PLL2 output frequency range check.*/
+#if (STM32_PLL2VCO < STM32_PLL23VCO_MIN) || \
+ (STM32_PLL2VCO > STM32_PLL23VCO_MAX)
+#error "STM32_PLL2VCO outside acceptable range (STM32_PLL23VCO_MIN...STM32_PLL23VCO_MAX)"
+#endif
+
+/**
+ * @brief PLL3 input frequency.
+ */
+#define STM32_PLL3CLKIN (STM32_HSECLK / STM32_PREDIV2_VALUE)
+
+/* PLL3 input frequency range check.*/
+#if (STM32_PLL3CLKIN < STM32_PLL23IN_MIN) || \
+ (STM32_PLL3CLKIN > STM32_PLL23IN_MAX)
+#error "STM32_PLL3CLKIN outside acceptable range (STM32_PLL23IN_MIN...STM32_PLL23IN_MAX)"
+#endif
+
+/**
+ * @brief PLL3 output clock frequency.
+ */
+#define STM32_PLL3CLKOUT (STM32_PLL3CLKIN * STM32_PLL3MUL_VALUE)
+
+/**
+ * @brief PLL3 VCO clock frequency.
+ */
+#define STM32_PLL3VCO (STM32_PLL3CLKOUT * 2)
+
+/* PLL3 output frequency range check.*/
+#if (STM32_PLL3VCO < STM32_PLL23VCO_MIN) || \
+ (STM32_PLL3VCO > STM32_PLL23VCO_MAX)
+#error "STM32_PLL3CLKOUT outside acceptable range (STM32_PLL23VCO_MIN...STM32_PLL23VCO_MAX)"
+#endif
+
+/**
+ * @brief PREDIV1 input frequency.
+ */
+#if (STM32_PREDIV1SRC == STM32_PREDIV1SRC_HSE) || defined(__DOXYGEN__)
+#define STM32_PREDIV1CLK STM32_HSECLK
+#elif STM32_PREDIV1SRC == STM32_PREDIV1SRC_PLL2
+#define STM32_PREDIV1CLK STM32_PLL2CLKOUT
+#else
+#error "invalid STM32_PREDIV1SRC value specified"
+#endif
+
+/**
+ * @brief PLL input clock frequency.
+ */
+#if (STM32_PLLSRC == STM32_PLLSRC_PREDIV1) || defined(__DOXYGEN__)
+#define STM32_PLLCLKIN (STM32_PREDIV1CLK / STM32_PREDIV1_VALUE)
+#elif STM32_PLLSRC == STM32_PLLSRC_HSI
+#define STM32_PLLCLKIN (STM32_HSICLK / 2)
+#else
+#error "invalid STM32_PLLSRC value specified"
+#endif
+
+/* PLL input frequency range check.*/
+#if (STM32_PLLCLKIN < STM32_PLL1IN_MIN) || (STM32_PLLCLKIN > STM32_PLL1IN_MAX)
+#error "STM32_PLLCLKIN outside acceptable range (STM32_PLL1IN_MIN...STM32_PLL1IN_MAX)"
+#endif
+
+/**
+ * @brief PLL output clock frequency.
+ */
+#define STM32_PLLCLKOUT (STM32_PLLCLKIN * STM32_PLLMUL_VALUE)
+
+/**
+ * @brief PLL VCO clock frequency.
+ */
+#define STM32_PLLVCO (STM32_PLLCLKOUT * 2)
+
+/* PLL output frequency range check.*/
+#if (STM32_PLLVCO < STM32_PLL1VCO_MIN) || (STM32_PLLVCO > STM32_PLL1VCO_MAX)
+#error "STM32_PLLVCO outside acceptable range (STM32_PLL1VCO_MIN...STM32_PLL1VCO_MAX)"
+#endif
+
+/**
+ * @brief System clock source.
+ */
+#if (STM32_SW == STM32_SW_PLL) || defined(__DOXYGEN__)
+#define STM32_SYSCLK STM32_PLLCLKOUT
+#elif (STM32_SW == STM32_SW_HSI)
+#define STM32_SYSCLK STM32_HSICLK
+#elif (STM32_SW == STM32_SW_HSE)
+#define STM32_SYSCLK STM32_HSECLK
+#else
+#error "invalid STM32_SW value specified"
+#endif
+
+/* Check on the system clock.*/
+#if STM32_SYSCLK > STM32_SYSCLK_MAX
+#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief AHB frequency.
+ */
+#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__)
+#define STM32_HCLK (STM32_SYSCLK / 1)
+#elif STM32_HPRE == STM32_HPRE_DIV2
+#define STM32_HCLK (STM32_SYSCLK / 2)
+#elif STM32_HPRE == STM32_HPRE_DIV4
+#define STM32_HCLK (STM32_SYSCLK / 4)
+#elif STM32_HPRE == STM32_HPRE_DIV8
+#define STM32_HCLK (STM32_SYSCLK / 8)
+#elif STM32_HPRE == STM32_HPRE_DIV16
+#define STM32_HCLK (STM32_SYSCLK / 16)
+#elif STM32_HPRE == STM32_HPRE_DIV64
+#define STM32_HCLK (STM32_SYSCLK / 64)
+#elif STM32_HPRE == STM32_HPRE_DIV128
+#define STM32_HCLK (STM32_SYSCLK / 128)
+#elif STM32_HPRE == STM32_HPRE_DIV256
+#define STM32_HCLK (STM32_SYSCLK / 256)
+#elif STM32_HPRE == STM32_HPRE_DIV512
+#define STM32_HCLK (STM32_SYSCLK / 512)
+#else
+#error "invalid STM32_HPRE value specified"
+#endif
+
+/* AHB frequency check.*/
+#if STM32_HCLK > STM32_SYSCLK_MAX
+#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief APB1 frequency.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK1 (STM32_HCLK / 1)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV2
+#define STM32_PCLK1 (STM32_HCLK / 2)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV4
+#define STM32_PCLK1 (STM32_HCLK / 4)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV8
+#define STM32_PCLK1 (STM32_HCLK / 8)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV16
+#define STM32_PCLK1 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE1 value specified"
+#endif
+
+/* APB1 frequency check.*/
+#if STM32_PCLK1 > STM32_PCLK1_MAX
+#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)"
+#endif
+
+/**
+ * @brief APB2 frequency.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK2 (STM32_HCLK / 1)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV2
+#define STM32_PCLK2 (STM32_HCLK / 2)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV4
+#define STM32_PCLK2 (STM32_HCLK / 4)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV8
+#define STM32_PCLK2 (STM32_HCLK / 8)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV16
+#define STM32_PCLK2 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE2 value specified"
+#endif
+
+/* APB2 frequency check.*/
+#if STM32_PCLK2 > STM32_PCLK2_MAX
+#error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)"
+#endif
+
+/**
+ * @brief RTC clock.
+ */
+#if (STM32_RTCSEL == STM32_RTCSEL_LSE) || defined(__DOXYGEN__)
+#define STM32_RTCCLK STM32_LSECLK
+#elif STM32_RTCSEL == STM32_RTCSEL_LSI
+#define STM32_RTCCLK STM32_LSICLK
+#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#define STM32_RTCCLK (STM32_HSECLK / 128)
+#elif STM32_RTCSEL == STM32_RTCSEL_NOCLOCK
+#define STM32_RTCCLK 0
+#else
+#error "invalid source selected for RTC clock"
+#endif
+
+/**
+ * @brief ADC frequency.
+ */
+#if (STM32_ADCPRE == STM32_ADCPRE_DIV2) || defined(__DOXYGEN__)
+#define STM32_ADCCLK (STM32_PCLK2 / 2)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV4
+#define STM32_ADCCLK (STM32_PCLK2 / 4)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV6
+#define STM32_ADCCLK (STM32_PCLK2 / 6)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV8
+#define STM32_ADCCLK (STM32_PCLK2 / 8)
+#else
+#error "invalid STM32_ADCPRE value specified"
+#endif
+
+/* ADC frequency check.*/
+#if STM32_ADCCLK > STM32_ADCCLK_MAX
+#error "STM32_ADCCLK exceeding maximum frequency (STM32_ADCCLK_MAX)"
+#endif
+
+/**
+ * @brief OTG frequency.
+ */
+#if (STM32_OTGFSPRE == STM32_OTGFSPRE_DIV3) || defined(__DOXYGEN__)
+#define STM32_OTGFSCLK (STM32_PLLVCO / 3)
+#elif (STM32_OTGFSPRE == STM32_OTGFSPRE_DIV2)
+#define STM32_OTGFSCLK (STM32_PLLVCO / 2)
+#else
+#error "invalid STM32_OTGFSPRE value specified"
+#endif
+
+/**
+ * @brief Timers 2, 3, 4, 5, 6, 7 clock.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK1 (STM32_PCLK1 * 1)
+#else
+#define STM32_TIMCLK1 (STM32_PCLK1 * 2)
+#endif
+
+/**
+ * @brief Timers 1, 8 clock.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK2 (STM32_PCLK2 * 1)
+#else
+#define STM32_TIMCLK2 (STM32_PCLK2 * 2)
+#endif
+
+/**
+ * @brief Flash settings.
+ */
+#if (STM32_HCLK <= 24000000) || defined(__DOXYGEN__)
+#define STM32_FLASHBITS 0x00000010
+#elif STM32_HCLK <= 48000000
+#define STM32_FLASHBITS 0x00000011
+#else
+#define STM32_FLASHBITS 0x00000012
+#endif
+
+#endif /* _HAL_LLD_F105_F107_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/platform.mk b/os/hal/ports/STM32/STM32F1xx/platform.mk new file mode 100644 index 000000000..7b3efd83f --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/platform.mk @@ -0,0 +1,34 @@ +# List of all the STM32F1xx platform files.
+PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
+ ${CHIBIOS}/os/hal/ports/STM32F1xx/stm32_dma.c \
+ ${CHIBIOS}/os/hal/ports/STM32F1xx/hal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32F1xx/adc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32F1xx/ext_lld_isr.c \
+ ${CHIBIOS}/os/hal/ports/STM32/can_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/ext_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/mac_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/sdc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv1/pal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv1/i2c_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/RTCv1/rtc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv1/spi_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/gpt_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/icu_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/pwm_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/st_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv1/serial_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv1/uart_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USBv1/usb_lld.c
+
+# Required include directories
+PLATFORMINC = ${CHIBIOS}/os/hal/ports/common/ARMCMx \
+ ${CHIBIOS}/os/hal/ports/STM32F1xx \
+ ${CHIBIOS}/os/hal/ports/STM32 \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/RTCv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/USBv1
+
diff --git a/os/hal/ports/STM32/STM32F1xx/platform_f105_f107.mk b/os/hal/ports/STM32/STM32F1xx/platform_f105_f107.mk new file mode 100644 index 000000000..c0264dd3a --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/platform_f105_f107.mk @@ -0,0 +1,32 @@ +# List of all the STM32F1xx platform files.
+PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
+ ${CHIBIOS}/os/hal/ports/STM32F1xx/stm32_dma.c \
+ ${CHIBIOS}/os/hal/ports/STM32F1xx/hal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32F1xx/adc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32F1xx/ext_lld_isr.c \
+ ${CHIBIOS}/os/hal/ports/STM32/can_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/ext_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/mac_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/sdc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv1/pal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv1/i2c_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/RTCv1/rtc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv1/spi_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/gpt_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/icu_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/pwm_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv1/serial_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv1/uart_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/OTGv1/usb_lld.c
+
+# Required include directories
+PLATFORMINC = ${CHIBIOS}/os/hal/ports/common/ARMCMx \
+ ${CHIBIOS}/os/hal/ports/STM32F1xx \
+ ${CHIBIOS}/os/hal/ports/STM32 \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/RTCv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/OTGv1
diff --git a/os/hal/ports/STM32/STM32F1xx/stm32_dma.c b/os/hal/ports/STM32/STM32F1xx/stm32_dma.c new file mode 100644 index 000000000..c3b39d37c --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/stm32_dma.c @@ -0,0 +1,491 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F1xx/stm32_dma.c
+ * @brief DMA helper driver code.
+ *
+ * @addtogroup STM32F1xx_DMA
+ * @details DMA sharing helper driver. In the STM32 the DMA streams are a
+ * shared resource, this driver allows to allocate and free DMA
+ * streams at runtime in order to allow all the other device
+ * drivers to coordinate the access to the resource.
+ * @note The DMA ISR handlers are all declared into this module because
+ * sharing, the various device drivers can associate a callback to
+ * ISRs when allocating streams.
+ * @{
+ */
+
+#include "hal.h"
+
+/* The following macro is only defined if some driver requiring DMA services
+ has been enabled.*/
+#if defined(STM32_DMA_REQUIRED) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/**
+ * @brief Mask of the DMA1 streams in @p dma_streams_mask.
+ */
+#define STM32_DMA1_STREAMS_MASK 0x0000007F
+
+/**
+ * @brief Mask of the DMA2 streams in @p dma_streams_mask.
+ */
+#define STM32_DMA2_STREAMS_MASK 0x00000F80
+
+/**
+ * @brief Post-reset value of the stream CCR register.
+ */
+#define STM32_DMA_CCR_RESET_VALUE 0x00000000
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA streams descriptors.
+ * @details This table keeps the association between an unique stream
+ * identifier and the involved physical registers.
+ * @note Don't use this array directly, use the appropriate wrapper macros
+ * instead: @p STM32_DMA1_STREAM1, @p STM32_DMA1_STREAM2 etc.
+ */
+const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS] = {
+ {DMA1_Channel1, &DMA1->IFCR, 0, 0, DMA1_Channel1_IRQn},
+ {DMA1_Channel2, &DMA1->IFCR, 4, 1, DMA1_Channel2_IRQn},
+ {DMA1_Channel3, &DMA1->IFCR, 8, 2, DMA1_Channel3_IRQn},
+ {DMA1_Channel4, &DMA1->IFCR, 12, 3, DMA1_Channel4_IRQn},
+ {DMA1_Channel5, &DMA1->IFCR, 16, 4, DMA1_Channel5_IRQn},
+ {DMA1_Channel6, &DMA1->IFCR, 20, 5, DMA1_Channel6_IRQn},
+ {DMA1_Channel7, &DMA1->IFCR, 24, 6, DMA1_Channel7_IRQn},
+#if STM32_HAS_DMA2 || defined(__DOXYGEN__)
+ {DMA2_Channel1, &DMA2->IFCR, 0, 7, DMA2_Channel1_IRQn},
+ {DMA2_Channel2, &DMA2->IFCR, 4, 8, DMA2_Channel2_IRQn},
+ {DMA2_Channel3, &DMA2->IFCR, 8, 9, DMA2_Channel3_IRQn},
+#if defined(STM32F10X_CL) || defined(__DOXYGEN__)
+ {DMA2_Channel4, &DMA2->IFCR, 12, 10, DMA2_Channel4_IRQn},
+ {DMA2_Channel5, &DMA2->IFCR, 16, 11, DMA2_Channel5_IRQn},
+#else /* !STM32F10X_CL */
+ {DMA2_Channel4, &DMA2->IFCR, 12, 10, DMA2_Channel4_5_IRQn},
+ {DMA2_Channel5, &DMA2->IFCR, 16, 11, DMA2_Channel4_5_IRQn},
+#endif /* !STM32F10X_CL */
+#endif /* STM32_HAS_DMA2 */
+};
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA ISR redirector type.
+ */
+typedef struct {
+ stm32_dmaisr_t dma_func; /**< @brief DMA callback function. */
+ void *dma_param; /**< @brief DMA callback parameter. */
+} dma_isr_redir_t;
+
+/**
+ * @brief Mask of the allocated streams.
+ */
+static uint32_t dma_streams_mask;
+
+/**
+ * @brief DMA IRQ redirectors.
+ */
+static dma_isr_redir_t dma_isr_redir[STM32_DMA_STREAMS];
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA1 stream 1 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector6C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 0) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 0;
+ if (dma_isr_redir[0].dma_func)
+ dma_isr_redir[0].dma_func(dma_isr_redir[0].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 2 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector70) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 4) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 4;
+ if (dma_isr_redir[1].dma_func)
+ dma_isr_redir[1].dma_func(dma_isr_redir[1].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 3 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector74) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 8) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 8;
+ if (dma_isr_redir[2].dma_func)
+ dma_isr_redir[2].dma_func(dma_isr_redir[2].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 4 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector78) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 12) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 12;
+ if (dma_isr_redir[3].dma_func)
+ dma_isr_redir[3].dma_func(dma_isr_redir[3].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 5 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector7C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 16) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 16;
+ if (dma_isr_redir[4].dma_func)
+ dma_isr_redir[4].dma_func(dma_isr_redir[4].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 6 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector80) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 20) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 20;
+ if (dma_isr_redir[5].dma_func)
+ dma_isr_redir[5].dma_func(dma_isr_redir[5].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 7 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector84) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 24) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 24;
+ if (dma_isr_redir[6].dma_func)
+ dma_isr_redir[6].dma_func(dma_isr_redir[6].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+#if STM32_HAS_DMA2 || defined(__DOXYGEN__)
+/**
+ * @brief DMA2 stream 1 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector120) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 0) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 0;
+ if (dma_isr_redir[7].dma_func)
+ dma_isr_redir[7].dma_func(dma_isr_redir[7].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 2 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector124) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 4) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 4;
+ if (dma_isr_redir[8].dma_func)
+ dma_isr_redir[8].dma_func(dma_isr_redir[8].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 3 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector128) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 8) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 8;
+ if (dma_isr_redir[9].dma_func)
+ dma_isr_redir[9].dma_func(dma_isr_redir[9].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+#if defined(STM32F10X_CL) || defined(__DOXYGEN__)
+/**
+ * @brief DMA2 stream 4 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector12C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 12) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 12;
+ if (dma_isr_redir[10].dma_func)
+ dma_isr_redir[10].dma_func(dma_isr_redir[10].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 5 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector130) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 16) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 16;
+ if (dma_isr_redir[11].dma_func)
+ dma_isr_redir[11].dma_func(dma_isr_redir[11].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#else /* !STM32F10X_CL */
+/**
+ * @brief DMA2 streams 4 and 5 shared interrupt handler.
+ * @note This IRQ is shared between DMA2 channels 4 and 5 so it is a
+ * bit less efficient because an extra check.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(DMA2_Ch4_5_IRQHandler) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ /* Check on channel 4.*/
+ flags = (DMA2->ISR >> 12) & STM32_DMA_ISR_MASK;
+ if (flags & STM32_DMA_ISR_MASK) {
+ DMA2->IFCR = flags << 12;
+ if (dma_isr_redir[10].dma_func)
+ dma_isr_redir[10].dma_func(dma_isr_redir[10].dma_param, flags);
+ }
+
+ /* Check on channel 5.*/
+ flags = (DMA2->ISR >> 16) & STM32_DMA_ISR_MASK;
+ if (flags & STM32_DMA_ISR_MASK) {
+ DMA2->IFCR = flags << 16;
+ if (dma_isr_redir[11].dma_func)
+ dma_isr_redir[11].dma_func(dma_isr_redir[11].dma_param, flags);
+ }
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif /* !STM32F10X_CL */
+#endif /* STM32_HAS_DMA2 */
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief STM32 DMA helper initialization.
+ *
+ * @init
+ */
+void dmaInit(void) {
+ int i;
+
+ dma_streams_mask = 0;
+ for (i = 0; i < STM32_DMA_STREAMS; i++) {
+ _stm32_dma_streams[i].channel->CCR = 0;
+ dma_isr_redir[i].dma_func = NULL;
+ }
+ DMA1->IFCR = 0xFFFFFFFF;
+#if STM32_HAS_DMA2
+ DMA2->IFCR = 0xFFFFFFFF;
+#endif
+}
+
+/**
+ * @brief Allocates a DMA stream.
+ * @details The stream is allocated and, if required, the DMA clock enabled.
+ * The function also enables the IRQ vector associated to the stream
+ * and initializes its priority.
+ * @pre The stream must not be already in use or an error is returned.
+ * @post The stream is allocated and the default ISR handler redirected
+ * to the specified function.
+ * @post The stream ISR vector is enabled and its priority configured.
+ * @post The stream must be freed using @p dmaStreamRelease() before it can
+ * be reused with another peripheral.
+ * @post The stream is in its post-reset state.
+ * @note This function can be invoked in both ISR or thread context.
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] priority IRQ priority mask for the DMA stream
+ * @param[in] func handling function pointer, can be @p NULL
+ * @param[in] param a parameter to be passed to the handling function
+ * @return The operation status.
+ * @retval FALSE no error, stream taken.
+ * @retval TRUE error, stream already taken.
+ *
+ * @special
+ */
+bool dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
+ uint32_t priority,
+ stm32_dmaisr_t func,
+ void *param) {
+
+ osalDbgCheck(dmastp != NULL);
+
+ /* Checks if the stream is already taken.*/
+ if ((dma_streams_mask & (1 << dmastp->selfindex)) != 0)
+ return TRUE;
+
+ /* Marks the stream as allocated.*/
+ dma_isr_redir[dmastp->selfindex].dma_func = func;
+ dma_isr_redir[dmastp->selfindex].dma_param = param;
+ dma_streams_mask |= (1 << dmastp->selfindex);
+
+ /* Enabling DMA clocks required by the current streams set.*/
+ if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) != 0)
+ rccEnableDMA1(FALSE);
+#if STM32_HAS_DMA2
+ if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) != 0)
+ rccEnableDMA2(FALSE);
+#endif
+
+ /* Putting the stream in a safe state.*/
+ dmaStreamDisable(dmastp);
+ dmastp->channel->CCR = STM32_DMA_CCR_RESET_VALUE;
+
+ /* Enables the associated IRQ vector if a callback is defined.*/
+ if (func != NULL)
+ nvicEnableVector(dmastp->vector, priority);
+
+ return FALSE;
+}
+
+/**
+ * @brief Releases a DMA stream.
+ * @details The stream is freed and, if required, the DMA clock disabled.
+ * Trying to release a unallocated stream is an illegal operation
+ * and is trapped if assertions are enabled.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post The stream is again available.
+ * @note This function can be invoked in both ISR or thread context.
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+void dmaStreamRelease(const stm32_dma_stream_t *dmastp) {
+
+ osalDbgCheck(dmastp != NULL);
+
+ /* Check if the streams is not taken.*/
+ osalDbgAssert((dma_streams_mask & (1 << dmastp->selfindex)) != 0,
+ "not allocated");
+
+ /* Disables the associated IRQ vector.*/
+ nvicDisableVector(dmastp->vector);
+
+ /* Marks the stream as not allocated.*/
+ dma_streams_mask &= ~(1 << dmastp->selfindex);
+
+ /* Shutting down clocks that are no more required, if any.*/
+ if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) == 0)
+ rccDisableDMA1(FALSE);
+#if STM32_HAS_DMA2
+ if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) == 0)
+ rccDisableDMA2(FALSE);
+#endif
+}
+
+#endif /* STM32_DMA_REQUIRED */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/stm32_dma.h b/os/hal/ports/STM32/STM32F1xx/stm32_dma.h new file mode 100644 index 000000000..00f6e344a --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/stm32_dma.h @@ -0,0 +1,406 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F1xx/stm32_dma.h
+ * @brief DMA helper driver header.
+ * @note This file requires definitions from the ST header file stm32f10x.h.
+ * @note This driver uses the new naming convention used for the STM32F2xx
+ * so the "DMA channels" are referred as "DMA streams".
+ *
+ * @addtogroup STM32F1xx_DMA
+ * @{
+ */
+
+#ifndef _STM32_DMA_H_
+#define _STM32_DMA_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Total number of DMA streams.
+ * @note This is the total number of streams among all the DMA units.
+ */
+#if STM32_HAS_DMA2 || defined(__DOXYGEN__)
+#define STM32_DMA_STREAMS 12
+#else
+#define STM32_DMA_STREAMS 7
+#endif
+
+/**
+ * @brief Mask of the ISR bits passed to the DMA callback functions.
+ */
+#define STM32_DMA_ISR_MASK 0x0F
+
+/**
+ * @brief Returns the channel associated to the specified stream.
+ *
+ * @param[in] n the stream number (0...STM32_DMA_STREAMS-1)
+ * @param[in] c a stream/channel association word, one channel per
+ * nibble, not associated channels must be set to 0xF
+ * @return Always zero, in this platform there is no dynamic
+ * association between streams and channels.
+ */
+#define STM32_DMA_GETCHANNEL(n, c) 0
+
+/**
+ * @brief Checks if a DMA priority is within the valid range.
+ * @param[in] prio DMA priority
+ *
+ * @retval The check result.
+ * @retval FALSE invalid DMA priority.
+ * @retval TRUE correct DMA priority.
+ */
+#define STM32_DMA_IS_VALID_PRIORITY(prio) (((prio) >= 0) && ((prio) <= 3))
+
+/**
+ * @brief Returns an unique numeric identifier for a DMA stream.
+ *
+ * @param[in] dma the DMA unit number
+ * @param[in] stream the stream number
+ * @return An unique numeric stream identifier.
+ */
+#define STM32_DMA_STREAM_ID(dma, stream) ((((dma) - 1) * 7) + ((stream) - 1))
+
+/**
+ * @brief Returns a DMA stream identifier mask.
+ *
+ *
+ * @param[in] dma the DMA unit number
+ * @param[in] stream the stream number
+ * @return A DMA stream identifier mask.
+ */
+#define STM32_DMA_STREAM_ID_MSK(dma, stream) \
+ (1 << STM32_DMA_STREAM_ID(dma, stream))
+
+/**
+ * @brief Checks if a DMA stream unique identifier belongs to a mask.
+ * @param[in] id the stream numeric identifier
+ * @param[in] mask the stream numeric identifiers mask
+ *
+ * @retval The check result.
+ * @retval FALSE id does not belong to the mask.
+ * @retval TRUE id belongs to the mask.
+ */
+#define STM32_DMA_IS_VALID_ID(id, mask) (((1 << (id)) & (mask)))
+
+/**
+ * @name DMA streams identifiers
+ * @{
+ */
+/**
+ * @brief Returns a pointer to a stm32_dma_stream_t structure.
+ *
+ * @param[in] id the stream numeric identifier
+ * @return A pointer to the stm32_dma_stream_t constant structure
+ * associated to the DMA stream.
+ */
+#define STM32_DMA_STREAM(id) (&_stm32_dma_streams[id])
+
+#define STM32_DMA1_STREAM1 STM32_DMA_STREAM(0)
+#define STM32_DMA1_STREAM2 STM32_DMA_STREAM(1)
+#define STM32_DMA1_STREAM3 STM32_DMA_STREAM(2)
+#define STM32_DMA1_STREAM4 STM32_DMA_STREAM(3)
+#define STM32_DMA1_STREAM5 STM32_DMA_STREAM(4)
+#define STM32_DMA1_STREAM6 STM32_DMA_STREAM(5)
+#define STM32_DMA1_STREAM7 STM32_DMA_STREAM(6)
+#define STM32_DMA2_STREAM1 STM32_DMA_STREAM(7)
+#define STM32_DMA2_STREAM2 STM32_DMA_STREAM(8)
+#define STM32_DMA2_STREAM3 STM32_DMA_STREAM(9)
+#define STM32_DMA2_STREAM4 STM32_DMA_STREAM(10)
+#define STM32_DMA2_STREAM5 STM32_DMA_STREAM(11)
+/** @} */
+
+/**
+ * @name CR register constants common to all DMA types
+ * @{
+ */
+#define STM32_DMA_CR_EN DMA_CCR1_EN
+#define STM32_DMA_CR_TEIE DMA_CCR1_TEIE
+#define STM32_DMA_CR_HTIE DMA_CCR1_HTIE
+#define STM32_DMA_CR_TCIE DMA_CCR1_TCIE
+#define STM32_DMA_CR_DIR_MASK (DMA_CCR1_DIR | DMA_CCR1_MEM2MEM)
+#define STM32_DMA_CR_DIR_P2M 0
+#define STM32_DMA_CR_DIR_M2P DMA_CCR1_DIR
+#define STM32_DMA_CR_DIR_M2M DMA_CCR1_MEM2MEM
+#define STM32_DMA_CR_CIRC DMA_CCR1_CIRC
+#define STM32_DMA_CR_PINC DMA_CCR1_PINC
+#define STM32_DMA_CR_MINC DMA_CCR1_MINC
+#define STM32_DMA_CR_PSIZE_MASK DMA_CCR1_PSIZE
+#define STM32_DMA_CR_PSIZE_BYTE 0
+#define STM32_DMA_CR_PSIZE_HWORD DMA_CCR1_PSIZE_0
+#define STM32_DMA_CR_PSIZE_WORD DMA_CCR1_PSIZE_1
+#define STM32_DMA_CR_MSIZE_MASK DMA_CCR1_MSIZE
+#define STM32_DMA_CR_MSIZE_BYTE 0
+#define STM32_DMA_CR_MSIZE_HWORD DMA_CCR1_MSIZE_0
+#define STM32_DMA_CR_MSIZE_WORD DMA_CCR1_MSIZE_1
+#define STM32_DMA_CR_SIZE_MASK (STM32_DMA_CR_PSIZE_MASK | \
+ STM32_DMA_CR_MSIZE_MASK)
+#define STM32_DMA_CR_PL_MASK DMA_CCR1_PL
+#define STM32_DMA_CR_PL(n) ((n) << 12)
+/** @} */
+
+/**
+ * @name CR register constants only found in enhanced DMA
+ * @{
+ */
+#define STM32_DMA_CR_DMEIE 0 /**< @brief Ignored by normal DMA. */
+#define STM32_DMA_CR_CHSEL_MASK 0 /**< @brief Ignored by normal DMA. */
+#define STM32_DMA_CR_CHSEL(n) 0 /**< @brief Ignored by normal DMA. */
+/** @} */
+
+/**
+ * @name Status flags passed to the ISR callbacks
+ * @{
+ */
+#define STM32_DMA_ISR_FEIF 0
+#define STM32_DMA_ISR_DMEIF 0
+#define STM32_DMA_ISR_TEIF DMA_ISR_TEIF1
+#define STM32_DMA_ISR_HTIF DMA_ISR_HTIF1
+#define STM32_DMA_ISR_TCIF DMA_ISR_TCIF1
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief STM32 DMA stream descriptor structure.
+ */
+typedef struct {
+ DMA_Channel_TypeDef *channel; /**< @brief Associated DMA channel. */
+ volatile uint32_t *ifcr; /**< @brief Associated IFCR reg. */
+ uint8_t ishift; /**< @brief Bits offset in xIFCR
+ register. */
+ uint8_t selfindex; /**< @brief Index to self in array. */
+ uint8_t vector; /**< @brief Associated IRQ vector. */
+} stm32_dma_stream_t;
+
+/**
+ * @brief STM32 DMA ISR function type.
+ *
+ * @param[in] p parameter for the registered function
+ * @param[in] flags pre-shifted content of the ISR register, the bits
+ * are aligned to bit zero
+ */
+typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags);
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Macro Functions
+ * @{
+ */
+/**
+ * @brief Associates a peripheral data register to a DMA stream.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] addr value to be written in the CPAR register
+ *
+ * @special
+ */
+#define dmaStreamSetPeripheral(dmastp, addr) { \
+ (dmastp)->channel->CPAR = (uint32_t)(addr); \
+}
+
+/**
+ * @brief Associates a memory destination to a DMA stream.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] addr value to be written in the CMAR register
+ *
+ * @special
+ */
+#define dmaStreamSetMemory0(dmastp, addr) { \
+ (dmastp)->channel->CMAR = (uint32_t)(addr); \
+}
+
+/**
+ * @brief Sets the number of transfers to be performed.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] size value to be written in the CNDTR register
+ *
+ * @special
+ */
+#define dmaStreamSetTransactionSize(dmastp, size) { \
+ (dmastp)->channel->CNDTR = (uint32_t)(size); \
+}
+
+/**
+ * @brief Returns the number of transfers to be performed.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @return The number of transfers to be performed.
+ *
+ * @special
+ */
+#define dmaStreamGetTransactionSize(dmastp) ((size_t)((dmastp)->channel->CNDTR))
+
+/**
+ * @brief Programs the stream mode settings.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] mode value to be written in the CCR register
+ *
+ * @special
+ */
+#define dmaStreamSetMode(dmastp, mode) { \
+ (dmastp)->channel->CCR = (uint32_t)(mode); \
+}
+
+/**
+ * @brief DMA stream enable.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamEnable(dmastp) { \
+ (dmastp)->channel->CCR |= STM32_DMA_CR_EN; \
+}
+
+/**
+ * @brief DMA stream disable.
+ * @details The function disables the specified stream and then clears any
+ * pending interrupt.
+ * @note This function can be invoked in both ISR or thread context.
+ * @note Interrupts enabling flags are set to zero after this call, see
+ * bug 3607518.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamDisable(dmastp) { \
+ (dmastp)->channel->CCR &= ~(STM32_DMA_CR_TCIE | STM32_DMA_CR_HTIE | \
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_EN); \
+ dmaStreamClearInterrupt(dmastp); \
+}
+
+/**
+ * @brief DMA stream interrupt sources clear.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamClearInterrupt(dmastp) { \
+ *(dmastp)->ifcr = STM32_DMA_ISR_MASK << (dmastp)->ishift; \
+}
+
+/**
+ * @brief Starts a memory to memory operation using the specified stream.
+ * @note The default transfer data mode is "byte to byte" but it can be
+ * changed by specifying extra options in the @p mode parameter.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] mode value to be written in the CCR register, this value
+ * is implicitly ORed with:
+ * - @p STM32_DMA_CR_MINC
+ * - @p STM32_DMA_CR_PINC
+ * - @p STM32_DMA_CR_DIR_M2M
+ * - @p STM32_DMA_CR_EN
+ * .
+ * @param[in] src source address
+ * @param[in] dst destination address
+ * @param[in] n number of data units to copy
+ */
+#define dmaStartMemCopy(dmastp, mode, src, dst, n) { \
+ dmaStreamSetPeripheral(dmastp, src); \
+ dmaStreamSetMemory0(dmastp, dst); \
+ dmaStreamSetTransactionSize(dmastp, n); \
+ dmaStreamSetMode(dmastp, (mode) | \
+ STM32_DMA_CR_MINC | STM32_DMA_CR_PINC | \
+ STM32_DMA_CR_DIR_M2M | STM32_DMA_CR_EN); \
+}
+
+/**
+ * @brief Polled wait for DMA transfer end.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ */
+#define dmaWaitCompletion(dmastp) { \
+ while ((dmastp)->channel->CNDTR > 0) \
+ ; \
+ dmaStreamDisable(dmastp); \
+}
+
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+extern const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS];
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void dmaInit(void);
+ bool dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
+ uint32_t priority,
+ stm32_dmaisr_t func,
+ void *param);
+ void dmaStreamRelease(const stm32_dma_stream_t *dmastp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _STM32_DMA_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/stm32_isr.h b/os/hal/ports/STM32/STM32F1xx/stm32_isr.h new file mode 100644 index 000000000..892fa0f9d --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/stm32_isr.h @@ -0,0 +1,156 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F1xx/stm32_isr.h
+ * @brief ISR remapper driver header.
+ *
+ * @addtogroup STM32F1xx_ISR
+ * @{
+ */
+
+#ifndef _STM32_ISR_H_
+#define _STM32_ISR_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name ISR names and numbers remapping
+ * @{
+ */
+/*
+ * CAN units.
+ */
+#define STM32_CAN1_TX_HANDLER Vector8C
+#define STM32_CAN1_RX0_HANDLER Vector90
+#define STM32_CAN1_RX1_HANDLER Vector94
+#define STM32_CAN1_SCE_HANDLER Vector98
+#define STM32_CAN2_TX_HANDLER Vector13C
+#define STM32_CAN2_RX0_HANDLER Vector140
+#define STM32_CAN2_RX1_HANDLER Vector144
+#define STM32_CAN2_SCE_HANDLER Vector148
+
+#define STM32_CAN1_TX_NUMBER 19
+#define STM32_CAN1_RX0_NUMBER 20
+#define STM32_CAN1_RX1_NUMBER 21
+#define STM32_CAN1_SCE_NUMBER 22
+#define STM32_CAN2_TX_NUMBER 63
+#define STM32_CAN2_RX0_NUMBER 64
+#define STM32_CAN2_RX1_NUMBER 65
+#define STM32_CAN2_SCE_NUMBER 66
+
+/*
+ * I2C units.
+ */
+#define STM32_I2C1_EVENT_HANDLER VectorBC
+#define STM32_I2C1_ERROR_HANDLER VectorC0
+#define STM32_I2C1_EVENT_NUMBER 31
+#define STM32_I2C1_ERROR_NUMBER 32
+
+#define STM32_I2C2_EVENT_HANDLER VectorC4
+#define STM32_I2C2_ERROR_HANDLER VectorC8
+#define STM32_I2C2_EVENT_NUMBER 33
+#define STM32_I2C2_ERROR_NUMBER 34
+
+/*
+ * OTG units.
+ */
+#define STM32_OTG1_HANDLER Vector14C
+
+#define STM32_OTG1_NUMBER 67
+
+/*
+ * SDIO unit.
+ */
+#define STM32_SDIO_HANDLER Vector104
+
+#define STM32_SDIO_NUMBER 49
+
+/*
+ * TIM units.
+ */
+#define STM32_TIM1_UP_HANDLER VectorA4
+#define STM32_TIM1_CC_HANDLER VectorAC
+#define STM32_TIM2_HANDLER VectorB0
+#define STM32_TIM3_HANDLER VectorB4
+#define STM32_TIM4_HANDLER VectorB8
+#define STM32_TIM5_HANDLER Vector108
+#define STM32_TIM6_HANDLER Vector118
+#define STM32_TIM7_HANDLER Vector11C
+#define STM32_TIM8_UP_HANDLER VectorF0
+#define STM32_TIM8_CC_HANDLER VectorF8
+
+#define STM32_TIM1_UP_NUMBER 25
+#define STM32_TIM1_CC_NUMBER 27
+#define STM32_TIM2_NUMBER 28
+#define STM32_TIM3_NUMBER 29
+#define STM32_TIM4_NUMBER 30
+#define STM32_TIM5_NUMBER 50
+#define STM32_TIM6_NUMBER 54
+#define STM32_TIM7_NUMBER 55
+#define STM32_TIM8_UP_NUMBER 44
+#define STM32_TIM8_CC_NUMBER 46
+
+/*
+ * USART units.
+ */
+#define STM32_USART1_HANDLER VectorD4
+#define STM32_USART2_HANDLER VectorD8
+#define STM32_USART3_HANDLER VectorDC
+#define STM32_UART4_HANDLER Vector110
+#define STM32_UART5_HANDLER Vector114
+
+#define STM32_USART1_NUMBER 37
+#define STM32_USART2_NUMBER 38
+#define STM32_USART3_NUMBER 39
+#define STM32_UART4_NUMBER 52
+#define STM32_UART5_NUMBER 53
+
+/*
+ * USB units.
+ */
+#define STM32_USB1_HP_HANDLER Vector8C
+#define STM32_USB1_LP_HANDLER Vector90
+
+#define STM32_USB1_HP_NUMBER 19
+#define STM32_USB1_LP_NUMBER 20
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#endif /* _STM32_ISR_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/stm32_rcc.h b/os/hal/ports/STM32/STM32F1xx/stm32_rcc.h new file mode 100644 index 000000000..8de6ec43c --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/stm32_rcc.h @@ -0,0 +1,1011 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F1xx/stm32_rcc.h
+ * @brief RCC helper driver header.
+ * @note This file requires definitions from the ST header file
+ * @p stm32f10x.h.
+ *
+ * @addtogroup STM32F1xx_RCC
+ * @{
+ */
+
+#ifndef _STM32_RCC_
+#define _STM32_RCC_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Generic RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the clock of one or more peripheral on the APB1 bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB1(mask, lp) { \
+ RCC->APB1ENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB1 bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB1(mask, lp) { \
+ RCC->APB1ENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAPB1(mask) { \
+ RCC->APB1RSTR |= (mask); \
+ RCC->APB1RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the APB2 bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB2(mask, lp) { \
+ RCC->APB2ENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB2 bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB2(mask, lp) { \
+ RCC->APB2ENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAPB2(mask) { \
+ RCC->APB2RSTR |= (mask); \
+ RCC->APB2RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the AHB bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask AHB peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAHB(mask, lp) { \
+ RCC->AHBENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the AHB bus.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] mask AHB peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAHB(mask, lp) { \
+ RCC->AHBENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the AHB bus.
+ *
+ * @param[in] mask AHB peripherals mask
+ *
+ * @api
+ */
+#define rccResetAHB(mask) { \
+ RCC->AHBRSTR |= (mask); \
+ RCC->AHBRSTR = 0; \
+}
+/** @} */
+
+/**
+ * @name ADC peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the ADC1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableADC1(lp) rccEnableAPB2(RCC_APB2ENR_ADC1EN, lp)
+
+/**
+ * @brief Disables the ADC1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableADC1(lp) rccDisableAPB2(RCC_APB2ENR_ADC1EN, lp)
+
+/**
+ * @brief Resets the ADC1 peripheral.
+ *
+ * @api
+ */
+#define rccResetADC1() rccResetAPB2(RCC_APB2RSTR_ADC1RST)
+/** @} */
+
+/**
+ * @name Backup domain interface specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the BKP interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableBKPInterface(lp) rccEnableAPB1((RCC_APB1ENR_BKPEN), lp)
+
+/**
+ * @brief Disables BKP interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableBKPInterface(lp) rccDisableAPB1((RCC_APB1ENR_BKPEN), lp)
+
+/**
+ * @brief Resets the Backup Domain interface.
+ *
+ * @api
+ */
+#define rccResetBKPInterface() rccResetAPB1(RCC_APB1ENR_BKPRST)
+
+/**
+ * @brief Resets the entire Backup Domain.
+ *
+ * @api
+ */
+#define rccResetBKP() (RCC->BDCR |= RCC_BDCR_BDRST)
+/** @} */
+
+/**
+ * @name PWR interface specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the PWR interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnablePWRInterface(lp) rccEnableAPB1(RCC_APB1ENR_PWREN, lp)
+
+/**
+ * @brief Disables PWR interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisablePWRInterface(lp) rccDisableAPB1(RCC_APB1ENR_PWREN, lp)
+
+/**
+ * @brief Resets the PWR interface.
+ *
+ * @api
+ */
+#define rccResetPWRInterface() rccResetAPB1(RCC_APB1RSTR_PWRRST)
+/** @} */
+
+/**
+ * @name CAN peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the CAN1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableCAN1(lp) rccEnableAPB1(RCC_APB1ENR_CAN1EN, lp)
+
+/**
+ * @brief Disables the CAN1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableCAN1(lp) rccDisableAPB1(RCC_APB1ENR_CAN1EN, lp)
+
+/**
+ * @brief Resets the CAN1 peripheral.
+ *
+ * @api
+ */
+#define rccResetCAN1() rccResetAPB1(RCC_APB1RSTR_CAN1RST)
+/** @} */
+
+/**
+ * @name DMA peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the DMA1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableDMA1(lp) rccEnableAHB(RCC_AHBENR_DMA1EN, lp)
+
+/**
+ * @brief Disables the DMA1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableDMA1(lp) rccDisableAHB(RCC_AHBENR_DMA1EN, lp)
+
+/**
+ * @brief Resets the DMA1 peripheral.
+ * @note Not supported in this family, does nothing.
+ *
+ * @api
+ */
+#define rccResetDMA1()
+
+/**
+ * @brief Enables the DMA2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableDMA2(lp) rccEnableAHB(RCC_AHBENR_DMA2EN, lp)
+
+/**
+ * @brief Disables the DMA2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableDMA2(lp) rccDisableAHB(RCC_AHBENR_DMA2EN, lp)
+
+/**
+ * @brief Resets the DMA1 peripheral.
+ * @note Not supported in this family, does nothing.
+ *
+ * @api
+ */
+#define rccResetDMA2()
+/** @} */
+
+/**
+ * @name ETH peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the ETH peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableETH(lp) rccEnableAHB(RCC_AHBENR_ETHMACEN | \
+ RCC_AHBENR_ETHMACTXEN | \
+ RCC_AHBENR_ETHMACRXEN, lp)
+
+/**
+ * @brief Disables the ETH peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableETH(lp) rccDisableAHB(RCC_AHBENR_ETHMACEN | \
+ RCC_AHBENR_ETHMACTXEN | \
+ RCC_AHBENR_ETHMACRXEN, lp)
+
+/**
+ * @brief Resets the ETH peripheral.
+ *
+ * @api
+ */
+#define rccResetETH() rccResetAHB(RCC_AHBRSTR_ETHMACRST)
+/** @} */
+
+/**
+ * @name I2C peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the I2C1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C1(lp) rccEnableAPB1(RCC_APB1ENR_I2C1EN, lp)
+
+/**
+ * @brief Disables the I2C1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableI2C1(lp) rccDisableAPB1(RCC_APB1ENR_I2C1EN, lp)
+
+/**
+ * @brief Resets the I2C1 peripheral.
+ *
+ * @api
+ */
+#define rccResetI2C1() rccResetAPB1(RCC_APB1RSTR_I2C1RST)
+
+/**
+ * @brief Enables the I2C2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C2(lp) rccEnableAPB1(RCC_APB1ENR_I2C2EN, lp)
+
+/**
+ * @brief Disables the I2C2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableI2C2(lp) rccDisableAPB1(RCC_APB1ENR_I2C2EN, lp)
+
+/**
+ * @brief Resets the I2C2 peripheral.
+ *
+ * @api
+ */
+#define rccResetI2C2() rccResetAPB1(RCC_APB1RSTR_I2C2RST)
+/** @} */
+
+/**
+ * @name OTG peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the OTG_FS peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableOTG_FS(lp) rccEnableAHB(RCC_AHBENR_OTGFSEN, lp)
+
+/**
+ * @brief Disables the OTG_FS peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableOTG_FS(lp) rccDisableAHB(RCC_AHBENR_OTGFSEN, lp)
+
+/**
+ * @brief Resets the OTG_FS peripheral.
+ *
+ * @api
+ */
+#define rccResetOTG_FS() rccResetAHB(RCC_AHBRSTR_OTGFSRST)
+/** @} */
+
+/**
+ * @name SDIO peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the SDIO peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSDIO(lp) rccEnableAHB(RCC_AHBENR_SDIOEN, lp)
+
+/**
+ * @brief Disables the SDIO peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSDIO(lp) rccDisableAHB(RCC_AHBENR_SDIOEN, lp)
+
+/**
+ * @brief Resets the SDIO peripheral.
+ * @note Not supported in this family, does nothing.
+ *
+ * @api
+ */
+#define rccResetSDIO()
+/** @} */
+
+/**
+ * @name SPI peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the SPI1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI1(lp) rccEnableAPB2(RCC_APB2ENR_SPI1EN, lp)
+
+/**
+ * @brief Disables the SPI1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI1(lp) rccDisableAPB2(RCC_APB2ENR_SPI1EN, lp)
+
+/**
+ * @brief Resets the SPI1 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI1() rccResetAPB2(RCC_APB2RSTR_SPI1RST)
+
+/**
+ * @brief Enables the SPI2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI2(lp) rccEnableAPB1(RCC_APB1ENR_SPI2EN, lp)
+
+/**
+ * @brief Disables the SPI2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI2(lp) rccDisableAPB1(RCC_APB1ENR_SPI2EN, lp)
+
+/**
+ * @brief Resets the SPI2 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI2() rccResetAPB1(RCC_APB1RSTR_SPI2RST)
+
+/**
+ * @brief Enables the SPI3 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI3(lp) rccEnableAPB1(RCC_APB1ENR_SPI3EN, lp)
+
+/**
+ * @brief Disables the SPI3 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI3(lp) rccDisableAPB1(RCC_APB1ENR_SPI3EN, lp)
+
+/**
+ * @brief Resets the SPI3 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI3() rccResetAPB1(RCC_APB1RSTR_SPI3RST)
+/** @} */
+
+/**
+ * @name TIM peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the TIM1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM1(lp) rccEnableAPB2(RCC_APB2ENR_TIM1EN, lp)
+
+/**
+ * @brief Disables the TIM1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM1(lp) rccDisableAPB2(RCC_APB2ENR_TIM1EN, lp)
+
+/**
+ * @brief Resets the TIM1 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM1() rccResetAPB2(RCC_APB2RSTR_TIM1RST)
+
+/**
+ * @brief Enables the TIM2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM2(lp) rccEnableAPB1(RCC_APB1ENR_TIM2EN, lp)
+
+/**
+ * @brief Disables the TIM2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM2(lp) rccDisableAPB1(RCC_APB1ENR_TIM2EN, lp)
+
+/**
+ * @brief Resets the TIM2 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM2() rccResetAPB1(RCC_APB1RSTR_TIM2RST)
+
+/**
+ * @brief Enables the TIM3 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM3(lp) rccEnableAPB1(RCC_APB1ENR_TIM3EN, lp)
+
+/**
+ * @brief Disables the TIM3 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM3(lp) rccDisableAPB1(RCC_APB1ENR_TIM3EN, lp)
+
+/**
+ * @brief Resets the TIM3 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM3() rccResetAPB1(RCC_APB1RSTR_TIM3RST)
+
+/**
+ * @brief Enables the TIM4 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM4(lp) rccEnableAPB1(RCC_APB1ENR_TIM4EN, lp)
+
+/**
+ * @brief Disables the TIM4 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM4(lp) rccDisableAPB1(RCC_APB1ENR_TIM4EN, lp)
+
+/**
+ * @brief Resets the TIM4 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM4() rccResetAPB1(RCC_APB1RSTR_TIM4RST)
+
+/**
+ * @brief Enables the TIM5 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM5(lp) rccEnableAPB1(RCC_APB1ENR_TIM5EN, lp)
+
+/**
+ * @brief Disables the TIM5 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM5(lp) rccDisableAPB1(RCC_APB1ENR_TIM5EN, lp)
+
+/**
+ * @brief Resets the TIM5 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM5() rccResetAPB1(RCC_APB1RSTR_TIM5RST)
+
+/**
+ * @brief Enables the TIM6 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM6(lp) rccEnableAPB1(RCC_APB1ENR_TIM6EN, lp)
+
+/**
+ * @brief Disables the TIM6 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM6(lp) rccDisableAPB1(RCC_APB1ENR_TIM6EN, lp)
+
+/**
+ * @brief Resets the TIM6 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM6() rccResetAPB1(RCC_APB1RSTR_TIM6RST)
+
+/**
+ * @brief Enables the TIM7 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM7(lp) rccEnableAPB1(RCC_APB1ENR_TIM7EN, lp)
+
+/**
+ * @brief Disables the TIM7 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM7(lp) rccDisableAPB1(RCC_APB1ENR_TIM7EN, lp)
+
+/**
+ * @brief Resets the TIM7 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM7() rccResetAPB1(RCC_APB1RSTR_TIM7RST)
+
+/**
+ * @brief Enables the TIM8 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM8(lp) rccEnableAPB2(RCC_APB2ENR_TIM8EN, lp)
+
+/**
+ * @brief Disables the TIM8 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM8(lp) rccDisableAPB2(RCC_APB2ENR_TIM8EN, lp)
+
+/**
+ * @brief Resets the TIM8 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM8() rccResetAPB2(RCC_APB2RSTR_TIM8RST)
+/** @} */
+
+/**
+ * @name USART/UART peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the USART1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART1(lp) rccEnableAPB2(RCC_APB2ENR_USART1EN, lp)
+
+/**
+ * @brief Disables the USART1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART1(lp) rccDisableAPB2(RCC_APB2ENR_USART1EN, lp)
+
+/**
+ * @brief Resets the USART1 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART1() rccResetAPB2(RCC_APB2RSTR_USART1RST)
+
+/**
+ * @brief Enables the USART2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART2(lp) rccEnableAPB1(RCC_APB1ENR_USART2EN, lp)
+
+/**
+ * @brief Disables the USART2 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART2(lp) rccDisableAPB1(RCC_APB1ENR_USART2EN, lp)
+
+/**
+ * @brief Resets the USART2 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART2() rccResetAPB1(RCC_APB1RSTR_USART2RST)
+
+/**
+ * @brief Enables the USART3 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART3(lp) rccEnableAPB1(RCC_APB1ENR_USART3EN, lp)
+
+/**
+ * @brief Disables the USART3 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART3(lp) rccDisableAPB1(RCC_APB1ENR_USART3EN, lp)
+
+/**
+ * @brief Resets the USART3 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART3() rccResetAPB1(RCC_APB1RSTR_USART3RST)
+
+/**
+ * @brief Enables the UART4 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUART4(lp) rccEnableAPB1(RCC_APB1ENR_UART4EN, lp)
+
+/**
+ * @brief Disables the UART4 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUART4(lp) rccDisableAPB1(RCC_APB1ENR_UART4EN, lp)
+
+/**
+ * @brief Resets the UART4 peripheral.
+ *
+ * @api
+ */
+#define rccResetUART4() rccResetAPB1(RCC_APB1RSTR_UART4RST)
+
+/**
+ * @brief Enables the UART5 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUART5(lp) rccEnableAPB1(RCC_APB1ENR_UART5EN, lp)
+
+/**
+ * @brief Disables the UART5 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUART5(lp) rccDisableAPB1(RCC_APB1ENR_UART5EN, lp)
+
+/**
+ * @brief Resets the UART5 peripheral.
+ *
+ * @api
+ */
+#define rccResetUART5() rccResetAPB1(RCC_APB1RSTR_UART5RST)
+/** @} */
+
+/**
+ * @name USB peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the USB peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSB(lp) rccEnableAPB1(RCC_APB1ENR_USBEN, lp)
+
+/**
+ * @brief Disables the USB peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSB(lp) rccDisableAPB1(RCC_APB1ENR_USBEN, lp)
+
+/**
+ * @brief Resets the USB peripheral.
+ *
+ * @api
+ */
+#define rccResetUSB() rccResetAPB1(RCC_APB1RSTR_USBRST)
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _STM32_RCC_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F1xx/stm32_registry.h b/os/hal/ports/STM32/STM32F1xx/stm32_registry.h new file mode 100644 index 000000000..46ce6e297 --- /dev/null +++ b/os/hal/ports/STM32/STM32F1xx/stm32_registry.h @@ -0,0 +1,1094 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F1xx/stm32_registry.h
+ * @brief STM32F1xx capabilities registry.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _STM32_REGISTRY_H_
+#define _STM32_REGISTRY_H_
+
+/*===========================================================================*/
+/* Platform capabilities. */
+/*===========================================================================*/
+
+#if defined(STM32F10X_LD_VL) || defined(__DOXYGEN__)
+/**
+ * @name STM32F100 LD capabilities
+ * @{
+ */
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 FALSE
+#define STM32_HAS_ADC3 FALSE
+#define STM32_HAS_ADC4 FALSE
+
+#define STM32_HAS_SDADC1 FALSE
+#define STM32_HAS_SDADC2 FALSE
+#define STM32_HAS_SDADC3 FALSE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 FALSE
+#define STM32_HAS_CAN2 FALSE
+#define STM32_CAN_MAX_FILTERS 0
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC1 TRUE
+#define STM32_HAS_DAC2 FALSE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA FALSE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 FALSE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH FALSE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 18
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD TRUE
+#define STM32_HAS_GPIOE FALSE
+#define STM32_HAS_GPIOF FALSE
+#define STM32_HAS_GPIOG FALSE
+#define STM32_HAS_GPIOH FALSE
+#define STM32_HAS_GPIOI FALSE
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+
+#define STM32_HAS_I2C2 FALSE
+#define STM32_HAS_I2C3 FALSE
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#define STM32_RTC_HAS_SUBSECONDS TRUE
+#define STM32_RTC_IS_CALENDAR FALSE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO FALSE
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+
+#define STM32_HAS_SPI2 FALSE
+#define STM32_HAS_SPI3 FALSE
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+
+/* TIM attributes.*/
+#define STM32_TIM_MAX_CHANNELS 4
+
+#define STM32_HAS_TIM1 TRUE
+#define STM32_TIM1_IS_32BITS FALSE
+#define STM32_TIM1_CHANNELS 4
+
+#define STM32_HAS_TIM2 TRUE
+#define STM32_TIM2_IS_32BITS TRUE
+#define STM32_TIM2_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM6 TRUE
+#define STM32_TIM6_IS_32BITS FALSE
+#define STM32_TIM6_CHANNELS 0
+
+#define STM32_HAS_TIM7 TRUE
+#define STM32_TIM7_IS_32BITS FALSE
+#define STM32_TIM7_CHANNELS 0
+
+#define STM32_HAS_TIM15 TRUE
+#define STM32_TIM15_IS_32BITS FALSE
+#define STM32_TIM15_CHANNELS 2
+
+#define STM32_HAS_TIM16 TRUE
+#define STM32_TIM16_IS_32BITS FALSE
+#define STM32_TIM16_CHANNELS 2
+
+#define STM32_HAS_TIM17 TRUE
+#define STM32_TIM17_IS_32BITS FALSE
+#define STM32_TIM17_CHANNELS 2
+
+#define STM32_HAS_TIM4 FALSE
+#define STM32_HAS_TIM5 FALSE
+#define STM32_HAS_TIM8 FALSE
+#define STM32_HAS_TIM9 FALSE
+#define STM32_HAS_TIM10 FALSE
+#define STM32_HAS_TIM11 FALSE
+#define STM32_HAS_TIM12 FALSE
+#define STM32_HAS_TIM13 FALSE
+#define STM32_HAS_TIM14 FALSE
+#define STM32_HAS_TIM18 FALSE
+#define STM32_HAS_TIM19 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_USART2 TRUE
+#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+
+#define STM32_HAS_USART3 FALSE
+#define STM32_HAS_UART4 FALSE
+#define STM32_HAS_UART5 FALSE
+#define STM32_HAS_USART6 FALSE
+
+/* USB attributes.*/
+#define STM32_HAS_USB FALSE
+#define STM32_HAS_OTG1 FALSE
+#define STM32_HAS_OTG2 FALSE
+/** @} */
+#endif /* defined(STM32F10X_LD_VL) */
+
+#if defined(STM32F10X_MD_VL) || defined(__DOXYGEN__)
+/**
+ * @name STM32F100 MD capabilities
+ * @{
+ */
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 FALSE
+#define STM32_HAS_ADC3 FALSE
+#define STM32_HAS_ADC4 FALSE
+
+#define STM32_HAS_SDADC1 FALSE
+#define STM32_HAS_SDADC2 FALSE
+#define STM32_HAS_SDADC3 FALSE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 FALSE
+#define STM32_HAS_CAN2 FALSE
+#define STM32_CAN_MAX_FILTERS 0
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC1 TRUE
+#define STM32_HAS_DAC2 FALSE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA FALSE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 FALSE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH FALSE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 19
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD TRUE
+#define STM32_HAS_GPIOE TRUE
+#define STM32_HAS_GPIOF FALSE
+#define STM32_HAS_GPIOG FALSE
+#define STM32_HAS_GPIOH FALSE
+#define STM32_HAS_GPIOI FALSE
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+
+#define STM32_HAS_I2C2 TRUE
+#define STM32_I2C_I2C2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_I2C_I2C2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_I2C3 FALSE
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#define STM32_RTC_HAS_SUBSECONDS TRUE
+#define STM32_RTC_IS_CALENDAR FALSE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO FALSE
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+
+#define STM32_HAS_SPI2 TRUE
+#define STM32_SPI_SPI2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+#define STM32_SPI_SPI2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+
+#define STM32_HAS_SPI3 FALSE
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+
+/* TIM attributes.*/
+#define STM32_TIM_MAX_CHANNELS 4
+
+#define STM32_HAS_TIM1 TRUE
+#define STM32_TIM1_IS_32BITS FALSE
+#define STM32_TIM1_CHANNELS 4
+
+#define STM32_HAS_TIM2 TRUE
+#define STM32_TIM2_IS_32BITS TRUE
+#define STM32_TIM2_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM4 TRUE
+#define STM32_TIM4_IS_32BITS FALSE
+#define STM32_TIM4_CHANNELS 4
+
+#define STM32_HAS_TIM6 TRUE
+#define STM32_TIM6_IS_32BITS FALSE
+#define STM32_TIM6_CHANNELS 0
+
+#define STM32_HAS_TIM7 TRUE
+#define STM32_TIM7_IS_32BITS FALSE
+#define STM32_TIM7_CHANNELS 0
+
+#define STM32_HAS_TIM15 TRUE
+#define STM32_TIM15_IS_32BITS FALSE
+#define STM32_TIM15_CHANNELS 2
+
+#define STM32_HAS_TIM16 TRUE
+#define STM32_TIM16_IS_32BITS FALSE
+#define STM32_TIM16_CHANNELS 2
+
+#define STM32_HAS_TIM17 TRUE
+#define STM32_TIM17_IS_32BITS FALSE
+#define STM32_TIM17_CHANNELS 2
+
+#define STM32_HAS_TIM5 FALSE
+#define STM32_HAS_TIM8 FALSE
+#define STM32_HAS_TIM9 FALSE
+#define STM32_HAS_TIM10 FALSE
+#define STM32_HAS_TIM11 FALSE
+#define STM32_HAS_TIM12 FALSE
+#define STM32_HAS_TIM13 FALSE
+#define STM32_HAS_TIM14 FALSE
+#define STM32_HAS_TIM18 FALSE
+#define STM32_HAS_TIM19 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_USART2 TRUE
+#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+
+#define STM32_HAS_USART3 TRUE
+#define STM32_UART_USART3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_UART_USART3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_UART4 FALSE
+#define STM32_HAS_UART5 FALSE
+#define STM32_HAS_USART6 FALSE
+
+/* USB attributes.*/
+#define STM32_HAS_USB FALSE
+#define STM32_HAS_OTG1 FALSE
+#define STM32_HAS_OTG2 FALSE
+/** @} */
+#endif /* defined(STM32F10X_MD_VL) */
+
+#if defined(STM32F10X_LD) || defined(__DOXYGEN__)
+/**
+ * @name STM32F103 LD capabilities
+ * @{
+ */
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 TRUE
+#define STM32_HAS_ADC3 FALSE
+#define STM32_HAS_ADC4 FALSE
+
+#define STM32_HAS_SDADC1 FALSE
+#define STM32_HAS_SDADC2 FALSE
+#define STM32_HAS_SDADC3 FALSE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 TRUE
+#define STM32_HAS_CAN2 FALSE
+#define STM32_CAN_MAX_FILTERS 14
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC1 FALSE
+#define STM32_HAS_DAC2 FALSE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA FALSE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 FALSE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH FALSE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 19
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD TRUE
+#define STM32_HAS_GPIOE FALSE
+#define STM32_HAS_GPIOF FALSE
+#define STM32_HAS_GPIOG FALSE
+#define STM32_HAS_GPIOH FALSE
+#define STM32_HAS_GPIOI FALSE
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+
+#define STM32_HAS_I2C2 FALSE
+#define STM32_HAS_I2C3 FALSE
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#define STM32_RTC_HAS_SUBSECONDS TRUE
+#define STM32_RTC_IS_CALENDAR FALSE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO FALSE
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+
+#define STM32_HAS_SPI2 FALSE
+#define STM32_HAS_SPI3 FALSE
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+
+/* TIM attributes.*/
+#define STM32_TIM_MAX_CHANNELS 4
+
+#define STM32_HAS_TIM1 TRUE
+#define STM32_TIM1_IS_32BITS FALSE
+#define STM32_TIM1_CHANNELS 4
+
+#define STM32_HAS_TIM2 TRUE
+#define STM32_TIM2_IS_32BITS TRUE
+#define STM32_TIM2_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM4 FALSE
+#define STM32_HAS_TIM5 FALSE
+#define STM32_HAS_TIM6 FALSE
+#define STM32_HAS_TIM7 FALSE
+#define STM32_HAS_TIM8 FALSE
+#define STM32_HAS_TIM9 FALSE
+#define STM32_HAS_TIM10 FALSE
+#define STM32_HAS_TIM11 FALSE
+#define STM32_HAS_TIM12 FALSE
+#define STM32_HAS_TIM13 FALSE
+#define STM32_HAS_TIM14 FALSE
+#define STM32_HAS_TIM15 FALSE
+#define STM32_HAS_TIM16 FALSE
+#define STM32_HAS_TIM17 FALSE
+#define STM32_HAS_TIM18 FALSE
+#define STM32_HAS_TIM19 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_USART2 TRUE
+#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+
+#define STM32_HAS_USART3 FALSE
+#define STM32_HAS_UART4 FALSE
+#define STM32_HAS_UART5 FALSE
+#define STM32_HAS_USART6 FALSE
+
+/* USB attributes.*/
+#define STM32_HAS_USB FALSE
+#define STM32_HAS_OTG1 FALSE
+#define STM32_HAS_OTG2 FALSE
+/** @} */
+#endif /* defined(STM32F10X_LD) */
+
+#if defined(STM32F10X_MD) || defined(__DOXYGEN__)
+/**
+ * @name STM32F103 MD capabilities
+ * @{
+ */
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 TRUE
+#define STM32_HAS_ADC3 FALSE
+#define STM32_HAS_ADC4 FALSE
+
+#define STM32_HAS_SDADC1 FALSE
+#define STM32_HAS_SDADC2 FALSE
+#define STM32_HAS_SDADC3 FALSE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 TRUE
+#define STM32_HAS_CAN2 FALSE
+#define STM32_CAN_MAX_FILTERS 14
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC1 FALSE
+#define STM32_HAS_DAC2 FALSE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA FALSE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 FALSE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH FALSE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 19
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD TRUE
+#define STM32_HAS_GPIOE TRUE
+#define STM32_HAS_GPIOF FALSE
+#define STM32_HAS_GPIOG FALSE
+#define STM32_HAS_GPIOH FALSE
+#define STM32_HAS_GPIOI FALSE
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+
+#define STM32_HAS_I2C2 TRUE
+#define STM32_I2C_I2C2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_I2C_I2C2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_I2C3 FALSE
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#define STM32_RTC_HAS_SUBSECONDS TRUE
+#define STM32_RTC_IS_CALENDAR FALSE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO FALSE
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+
+#define STM32_HAS_SPI2 TRUE
+#define STM32_SPI_SPI2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+#define STM32_SPI_SPI2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+
+#define STM32_HAS_SPI3 FALSE
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+
+/* TIM attributes.*/
+#define STM32_TIM_MAX_CHANNELS 4
+
+#define STM32_HAS_TIM1 TRUE
+#define STM32_TIM1_IS_32BITS FALSE
+#define STM32_TIM1_CHANNELS 4
+
+#define STM32_HAS_TIM2 TRUE
+#define STM32_TIM2_IS_32BITS TRUE
+#define STM32_TIM2_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM4 TRUE
+#define STM32_TIM4_IS_32BITS FALSE
+#define STM32_TIM4_CHANNELS 4
+
+#define STM32_HAS_TIM5 FALSE
+#define STM32_HAS_TIM6 FALSE
+#define STM32_HAS_TIM7 FALSE
+#define STM32_HAS_TIM8 FALSE
+#define STM32_HAS_TIM9 FALSE
+#define STM32_HAS_TIM10 FALSE
+#define STM32_HAS_TIM11 FALSE
+#define STM32_HAS_TIM12 FALSE
+#define STM32_HAS_TIM13 FALSE
+#define STM32_HAS_TIM14 FALSE
+#define STM32_HAS_TIM15 FALSE
+#define STM32_HAS_TIM16 FALSE
+#define STM32_HAS_TIM17 FALSE
+#define STM32_HAS_TIM18 FALSE
+#define STM32_HAS_TIM19 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_USART2 TRUE
+#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+
+#define STM32_HAS_USART3 TRUE
+#define STM32_UART_USART3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_UART_USART3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_UART4 FALSE
+#define STM32_HAS_UART5 FALSE
+#define STM32_HAS_USART6 FALSE
+
+/* USB attributes.*/
+#define STM32_HAS_USB TRUE
+#define STM32_HAS_OTG1 FALSE
+#define STM32_HAS_OTG2 FALSE
+/** @} */
+#endif /* defined(STM32F10X_MD) */
+
+#if defined(STM32F10X_HD) || defined(__DOXYGEN__)
+/**
+ * @name STM32F103 HD capabilities
+ * @{
+ */
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 TRUE
+#define STM32_HAS_ADC3 TRUE
+#define STM32_HAS_ADC4 FALSE
+
+#define STM32_HAS_SDADC1 FALSE
+#define STM32_HAS_SDADC2 FALSE
+#define STM32_HAS_SDADC3 FALSE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 TRUE
+#define STM32_HAS_CAN2 FALSE
+#define STM32_CAN_MAX_FILTERS 14
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC1 TRUE
+#define STM32_HAS_DAC2 FALSE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA FALSE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 TRUE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH FALSE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 19
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD TRUE
+#define STM32_HAS_GPIOE TRUE
+#define STM32_HAS_GPIOF TRUE
+#define STM32_HAS_GPIOG TRUE
+#define STM32_HAS_GPIOH FALSE
+#define STM32_HAS_GPIOI FALSE
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+
+#define STM32_HAS_I2C2 TRUE
+#define STM32_I2C_I2C2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_I2C_I2C2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_I2C3 FALSE
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#define STM32_RTC_HAS_SUBSECONDS TRUE
+#define STM32_RTC_IS_CALENDAR FALSE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO TRUE
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+
+#define STM32_HAS_SPI2 TRUE
+#define STM32_SPI_SPI2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+#define STM32_SPI_SPI2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+
+#define STM32_HAS_SPI3 TRUE
+#define STM32_SPI_SPI3_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 1)
+#define STM32_SPI_SPI3_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 2)
+
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+
+/* TIM attributes.*/
+#define STM32_TIM_MAX_CHANNELS 4
+
+#define STM32_HAS_TIM1 TRUE
+#define STM32_TIM1_IS_32BITS FALSE
+#define STM32_TIM1_CHANNELS 4
+
+#define STM32_HAS_TIM2 TRUE
+#define STM32_TIM2_IS_32BITS TRUE
+#define STM32_TIM2_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM4 TRUE
+#define STM32_TIM4_IS_32BITS FALSE
+#define STM32_TIM4_CHANNELS 4
+
+#define STM32_HAS_TIM5 TRUE
+#define STM32_TIM5_IS_32BITS FALSE
+#define STM32_TIM5_CHANNELS 4
+
+#define STM32_HAS_TIM6 TRUE
+#define STM32_TIM6_IS_32BITS FALSE
+#define STM32_TIM6_CHANNELS 0
+
+#define STM32_HAS_TIM7 TRUE
+#define STM32_TIM7_IS_32BITS FALSE
+#define STM32_TIM7_CHANNELS 0
+
+#define STM32_HAS_TIM8 TRUE
+#define STM32_TIM8_IS_32BITS FALSE
+#define STM32_TIM8_CHANNELS 4
+
+#define STM32_HAS_TIM9 TRUE
+#define STM32_TIM9_IS_32BITS FALSE
+#define STM32_TIM9_CHANNELS 2
+
+#define STM32_HAS_TIM10 TRUE
+#define STM32_TIM10_IS_32BITS FALSE
+#define STM32_TIM10_CHANNELS 2
+
+#define STM32_HAS_TIM11 TRUE
+#define STM32_TIM11_IS_32BITS FALSE
+#define STM32_TIM11_CHANNELS 2
+
+#define STM32_HAS_TIM12 TRUE
+#define STM32_TIM12_IS_32BITS FALSE
+#define STM32_TIM12_CHANNELS 2
+
+#define STM32_HAS_TIM13 TRUE
+#define STM32_TIM13_IS_32BITS FALSE
+#define STM32_TIM13_CHANNELS 2
+
+#define STM32_HAS_TIM14 TRUE
+#define STM32_TIM14_IS_32BITS FALSE
+#define STM32_TIM14_CHANNELS 2
+
+#define STM32_HAS_TIM15 FALSE
+#define STM32_HAS_TIM16 FALSE
+#define STM32_HAS_TIM17 FALSE
+#define STM32_HAS_TIM18 FALSE
+#define STM32_HAS_TIM19 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_USART2 TRUE
+#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+
+#define STM32_HAS_USART3 TRUE
+#define STM32_UART_USART3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_UART_USART3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_UART4 TRUE
+#define STM32_UART_UART4_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 3)
+#define STM32_UART_UART4_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 5)
+
+#define STM32_HAS_UART5 FALSE
+#define STM32_HAS_USART6 FALSE
+
+/* USB attributes.*/
+#define STM32_HAS_USB TRUE
+#define STM32_HAS_OTG1 FALSE
+#define STM32_HAS_OTG2 FALSE
+/** @} */
+#endif /* defined(STM32F10X_HD) */
+
+#if defined(STM32F10X_XL) || defined(__DOXYGEN__)
+/**
+ * @name STM32F103 XL capabilities
+ * @{
+ */
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 TRUE
+#define STM32_HAS_ADC3 TRUE
+#define STM32_HAS_ADC4 FALSE
+
+#define STM32_HAS_SDADC1 FALSE
+#define STM32_HAS_SDADC2 FALSE
+#define STM32_HAS_SDADC3 FALSE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 TRUE
+#define STM32_HAS_CAN2 FALSE
+#define STM32_CAN_MAX_FILTERS 14
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC1 TRUE
+#define STM32_HAS_DAC2 FALSE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA FALSE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 TRUE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH FALSE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 19
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD TRUE
+#define STM32_HAS_GPIOE TRUE
+#define STM32_HAS_GPIOF TRUE
+#define STM32_HAS_GPIOG TRUE
+#define STM32_HAS_GPIOH FALSE
+#define STM32_HAS_GPIOI FALSE
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+
+#define STM32_HAS_I2C2 TRUE
+#define STM32_I2C_I2C2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_I2C_I2C2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_I2C3 FALSE
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#define STM32_RTC_HAS_SUBSECONDS TRUE
+#define STM32_RTC_IS_CALENDAR FALSE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO TRUE
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+
+#define STM32_HAS_SPI2 TRUE
+#define STM32_SPI_SPI2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+#define STM32_SPI_SPI2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+
+#define STM32_HAS_SPI3 TRUE
+#define STM32_SPI_SPI3_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 1)
+#define STM32_SPI_SPI3_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 2)
+
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+
+/* TIM attributes.*/
+#define STM32_TIM_MAX_CHANNELS 4
+
+#define STM32_HAS_TIM1 TRUE
+#define STM32_TIM1_IS_32BITS FALSE
+#define STM32_TIM1_CHANNELS 4
+
+#define STM32_HAS_TIM2 TRUE
+#define STM32_TIM2_IS_32BITS TRUE
+#define STM32_TIM2_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM4 TRUE
+#define STM32_TIM4_IS_32BITS FALSE
+#define STM32_TIM4_CHANNELS 4
+
+#define STM32_HAS_TIM5 TRUE
+#define STM32_TIM5_IS_32BITS FALSE
+#define STM32_TIM5_CHANNELS 4
+
+#define STM32_HAS_TIM6 TRUE
+#define STM32_TIM6_IS_32BITS FALSE
+#define STM32_TIM6_CHANNELS 0
+
+#define STM32_HAS_TIM7 TRUE
+#define STM32_TIM7_IS_32BITS FALSE
+#define STM32_TIM7_CHANNELS 0
+
+#define STM32_HAS_TIM8 TRUE
+#define STM32_TIM8_IS_32BITS FALSE
+#define STM32_TIM8_CHANNELS 4
+
+#define STM32_HAS_TIM9 TRUE
+#define STM32_TIM9_IS_32BITS FALSE
+#define STM32_TIM9_CHANNELS 2
+
+#define STM32_HAS_TIM10 TRUE
+#define STM32_TIM10_IS_32BITS FALSE
+#define STM32_TIM10_CHANNELS 2
+
+#define STM32_HAS_TIM11 TRUE
+#define STM32_TIM11_IS_32BITS FALSE
+#define STM32_TIM11_CHANNELS 2
+
+#define STM32_HAS_TIM12 TRUE
+#define STM32_TIM12_IS_32BITS FALSE
+#define STM32_TIM12_CHANNELS 2
+
+#define STM32_HAS_TIM13 TRUE
+#define STM32_TIM13_IS_32BITS FALSE
+#define STM32_TIM13_CHANNELS 2
+
+#define STM32_HAS_TIM14 TRUE
+#define STM32_TIM14_IS_32BITS FALSE
+#define STM32_TIM14_CHANNELS 2
+
+#define STM32_HAS_TIM15 FALSE
+#define STM32_HAS_TIM16 FALSE
+#define STM32_HAS_TIM17 FALSE
+#define STM32_HAS_TIM18 FALSE
+#define STM32_HAS_TIM19 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_USART2 TRUE
+#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+
+#define STM32_HAS_USART3 TRUE
+#define STM32_UART_USART3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_UART_USART3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_UART4 TRUE
+#define STM32_UART_UART4_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 3)
+#define STM32_UART_UART4_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 5)
+
+#define STM32_HAS_UART5 FALSE
+#define STM32_HAS_USART6 FALSE
+
+/* USB attributes.*/
+#define STM32_HAS_USB TRUE
+#define STM32_HAS_OTG1 FALSE
+#define STM32_HAS_OTG2 FALSE
+/** @} */
+#endif /* defined(STM32F10X_XL) */
+
+#if defined(STM32F10X_CL) || defined(__DOXYGEN__)
+/**
+ * @name STM32F105/F107 CL capabilities
+ * @{
+ */
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 TRUE
+#define STM32_HAS_ADC3 FALSE
+#define STM32_HAS_ADC4 FALSE
+
+#define STM32_HAS_SDADC1 FALSE
+#define STM32_HAS_SDADC2 FALSE
+#define STM32_HAS_SDADC3 FALSE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 TRUE
+#define STM32_HAS_CAN2 TRUE
+#define STM32_CAN_MAX_FILTERS 28
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC1 TRUE
+#define STM32_HAS_DAC2 FALSE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA FALSE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 TRUE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH TRUE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 20
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD TRUE
+#define STM32_HAS_GPIOE TRUE
+#define STM32_HAS_GPIOF FALSE
+#define STM32_HAS_GPIOG FALSE
+#define STM32_HAS_GPIOH FALSE
+#define STM32_HAS_GPIOI FALSE
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+
+#define STM32_HAS_I2C2 TRUE
+#define STM32_I2C_I2C2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_I2C_I2C2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_I2C3 FALSE
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#define STM32_RTC_HAS_SUBSECONDS TRUE
+#define STM32_RTC_IS_CALENDAR FALSE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO FALSE
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+
+#define STM32_HAS_SPI2 TRUE
+#define STM32_SPI_SPI2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+#define STM32_SPI_SPI2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+
+#define STM32_HAS_SPI3 TRUE
+#define STM32_SPI_SPI3_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 1)
+#define STM32_SPI_SPI3_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 2)
+
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+
+/* TIM attributes.*/
+#define STM32_TIM_MAX_CHANNELS 4
+
+#define STM32_HAS_TIM1 TRUE
+#define STM32_TIM1_IS_32BITS FALSE
+#define STM32_TIM1_CHANNELS 4
+
+#define STM32_HAS_TIM2 TRUE
+#define STM32_TIM2_IS_32BITS TRUE
+#define STM32_TIM2_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM4 TRUE
+#define STM32_TIM4_IS_32BITS FALSE
+#define STM32_TIM4_CHANNELS 4
+
+#define STM32_HAS_TIM5 TRUE
+#define STM32_TIM5_IS_32BITS FALSE
+#define STM32_TIM5_CHANNELS 4
+
+#define STM32_HAS_TIM6 TRUE
+#define STM32_TIM6_IS_32BITS FALSE
+#define STM32_TIM6_CHANNELS 0
+
+#define STM32_HAS_TIM7 TRUE
+#define STM32_TIM7_IS_32BITS FALSE
+#define STM32_TIM7_CHANNELS 0
+
+#define STM32_HAS_TIM8 FALSE
+#define STM32_HAS_TIM9 FALSE
+#define STM32_HAS_TIM10 FALSE
+#define STM32_HAS_TIM11 FALSE
+#define STM32_HAS_TIM12 FALSE
+#define STM32_HAS_TIM13 FALSE
+#define STM32_HAS_TIM14 FALSE
+#define STM32_HAS_TIM15 FALSE
+#define STM32_HAS_TIM16 FALSE
+#define STM32_HAS_TIM17 FALSE
+#define STM32_HAS_TIM18 FALSE
+#define STM32_HAS_TIM19 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_USART2 TRUE
+#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+
+#define STM32_HAS_USART3 TRUE
+#define STM32_UART_USART3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_UART_USART3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_UART4 TRUE
+#define STM32_UART_UART4_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 3)
+#define STM32_UART_UART4_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 5)
+
+#define STM32_HAS_UART5 TRUE
+
+#define STM32_HAS_USART6 FALSE
+
+/* USB attributes.*/
+#define STM32_HAS_USB FALSE
+#define STM32_HAS_OTG1 TRUE
+#define STM32_HAS_OTG2 FALSE
+/** @} */
+#endif /* defined(STM32F10X_CL) */
+
+#endif /* _STM32_REGISTRY_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F30x/adc_lld.c b/os/hal/ports/STM32/STM32F30x/adc_lld.c new file mode 100644 index 000000000..4be6b56a7 --- /dev/null +++ b/os/hal/ports/STM32/STM32F30x/adc_lld.c @@ -0,0 +1,548 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F30x/adc_lld.c
+ * @brief STM32F30x ADC subsystem low level driver source.
+ *
+ * @addtogroup ADC
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_ADC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+#if STM32_ADC_DUAL_MODE
+#if STM32_ADC_COMPACT_SAMPLES
+/* Compact type dual mode.*/
+#define ADC_DMA_SIZE (STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD)
+#define ADC_DMA_MDMA ADC_CCR_MDMA_HWORD
+
+#else /* !STM32_ADC_COMPACT_SAMPLES */
+/* Large type dual mode.*/
+#define ADC_DMA_SIZE (STM32_DMA_CR_MSIZE_WORD | STM32_DMA_CR_PSIZE_WORD)
+#define ADC_DMA_MDMA ADC_CCR_MDMA_WORD
+#endif /* !STM32_ADC_COMPACT_SAMPLES */
+
+#else /* !STM32_ADC_DUAL_MODE */
+#if STM32_ADC_COMPACT_SAMPLES
+/* Compact type single mode.*/
+#define ADC_DMA_SIZE (STM32_DMA_CR_MSIZE_BYTE | STM32_DMA_CR_PSIZE_BYTE)
+#define ADC_DMA_MDMA ADC_CCR_MDMA_DISABLED
+
+#else /* !STM32_ADC_COMPACT_SAMPLES */
+/* Large type single mode.*/
+#define ADC_DMA_SIZE (STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD)
+#define ADC_DMA_MDMA ADC_CCR_MDMA_DISABLED
+#endif /* !STM32_ADC_COMPACT_SAMPLES */
+#endif /* !STM32_ADC_DUAL_MODE */
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/** @brief ADC1 driver identifier.*/
+#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)
+ADCDriver ADCD1;
+#endif
+
+/** @brief ADC1 driver identifier.*/
+#if STM32_ADC_USE_ADC3 || defined(__DOXYGEN__)
+ADCDriver ADCD3;
+#endif
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Enables the ADC voltage regulator.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ */
+static void adc_lld_vreg_on(ADCDriver *adcp) {
+
+ adcp->adcm->CR = 0; /* RM 12.4.3.*/
+ adcp->adcm->CR = ADC_CR_ADVREGEN_0;
+#if STM32_ADC_DUAL_MODE
+ adcp->adcs->CR = ADC_CR_ADVREGEN_0;
+#endif
+ osalSysPolledDelayX(US2RTC(STM32_HCLK, 10));
+}
+
+/**
+ * @brief Disables the ADC voltage regulator.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ */
+static void adc_lld_vreg_off(ADCDriver *adcp) {
+
+ adcp->adcm->CR = 0; /* RM 12.4.3.*/
+ adcp->adcm->CR = ADC_CR_ADVREGEN_1;
+#if STM32_ADC_DUAL_MODE
+ adcp->adcs->CR = ADC_CR_ADVREGEN_1;
+#endif
+}
+
+/**
+ * @brief Enables the ADC analog circuit.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ */
+static void adc_lld_analog_on(ADCDriver *adcp) {
+
+ adcp->adcm->CR |= ADC_CR_ADEN;
+ while ((adcp->adcm->ISR & ADC_ISR_ADRDY) == 0)
+ ;
+#if STM32_ADC_DUAL_MODE
+ adcp->adcs->CR |= ADC_CR_ADEN;
+ while ((adcp->adcs->ISR & ADC_ISR_ADRDY) == 0)
+ ;
+#endif
+}
+
+/**
+ * @brief Disables the ADC analog circuit.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ */
+static void adc_lld_analog_off(ADCDriver *adcp) {
+
+ adcp->adcm->CR |= ADC_CR_ADDIS;
+ while ((adcp->adcm->CR & ADC_CR_ADDIS) != 0)
+ ;
+#if STM32_ADC_DUAL_MODE
+ adcp->adcs->CR |= ADC_CR_ADDIS;
+ while ((adcp->adcs->CR & ADC_CR_ADDIS) != 0)
+ ;
+#endif
+}
+
+/**
+ * @brief Calibrates and ADC unit.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ */
+static void adc_lld_calibrate(ADCDriver *adcp) {
+
+ osalDbgAssert(adcp->adcm->CR == ADC_CR_ADVREGEN_0, "invalid register state");
+ adcp->adcm->CR |= ADC_CR_ADCAL;
+ while ((adcp->adcm->CR & ADC_CR_ADCAL) != 0)
+ ;
+#if STM32_ADC_DUAL_MODE
+ osalDbgAssert(adcp->adcs->CR == ADC_CR_ADVREGEN_0, "invalid register state");
+ adcp->adcs->CR |= ADC_CR_ADCAL;
+ while ((adcp->adcs->CR & ADC_CR_ADCAL) != 0)
+ ;
+#endif
+}
+
+/**
+ * @brief Stops an ongoing conversion, if any.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ */
+static void adc_lld_stop_adc(ADCDriver *adcp) {
+
+ if (adcp->adcm->CR & ADC_CR_ADSTART) {
+ adcp->adcm->CR |= ADC_CR_ADSTP;
+ while (adcp->adcm->CR & ADC_CR_ADSTP)
+ ;
+ }
+}
+
+/**
+ * @brief ADC DMA ISR service routine.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ * @param[in] flags pre-shifted content of the ISR register
+ */
+static void adc_lld_serve_dma_interrupt(ADCDriver *adcp, uint32_t flags) {
+
+ /* DMA errors handling.*/
+ if ((flags & (STM32_DMA_ISR_TEIF | STM32_DMA_ISR_DMEIF)) != 0) {
+ /* DMA, this could help only if the DMA tries to access an unmapped
+ address space or violates alignment rules.*/
+ _adc_isr_error_code(adcp, ADC_ERR_DMAFAILURE);
+ }
+ else {
+ /* It is possible that the conversion group has already be reset by the
+ ADC error handler, in this case this interrupt is spurious.*/
+ if (adcp->grpp != NULL) {
+ if ((flags & STM32_DMA_ISR_TCIF) != 0) {
+ /* Transfer complete processing.*/
+ _adc_isr_full_code(adcp);
+ }
+ else if ((flags & STM32_DMA_ISR_HTIF) != 0) {
+ /* Half transfer processing.*/
+ _adc_isr_half_code(adcp);
+ }
+ }
+ }
+}
+
+/**
+ * @brief ADC ISR service routine.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ * @param[in] isr content of the ISR register
+ */
+static void adc_lld_serve_interrupt(ADCDriver *adcp, uint32_t isr) {
+
+ /* It could be a spurious interrupt caused by overflows after DMA disabling,
+ just ignore it in this case.*/
+ if (adcp->grpp != NULL) {
+ /* Note, an overflow may occur after the conversion ended before the driver
+ is able to stop the ADC, this is why the DMA channel is checked too.*/
+ if ((isr & ADC_ISR_OVR) &&
+ (dmaStreamGetTransactionSize(adcp->dmastp) > 0)) {
+ /* ADC overflow condition, this could happen only if the DMA is unable
+ to read data fast enough.*/
+ _adc_isr_error_code(adcp, ADC_ERR_OVERFLOW);
+ }
+ if (isr & ADC_ISR_AWD1) {
+ /* Analog watchdog error.*/
+ _adc_isr_error_code(adcp, ADC_ERR_AWD1);
+ }
+ if (isr & ADC_ISR_AWD2) {
+ /* Analog watchdog error.*/
+ _adc_isr_error_code(adcp, ADC_ERR_AWD2);
+ }
+ if (isr & ADC_ISR_AWD3) {
+ /* Analog watchdog error.*/
+ _adc_isr_error_code(adcp, ADC_ERR_AWD3);
+ }
+ }
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)
+/**
+ * @brief ADC1/ADC2 interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector88) {
+ uint32_t isr;
+
+ OSAL_IRQ_PROLOGUE();
+
+#if STM32_ADC_DUAL_MODE
+ isr = ADC1->ISR;
+ isr |= ADC2->ISR;
+ ADC1->ISR = isr;
+ ADC2->ISR = isr;
+#else /* !STM32_ADC_DUAL_MODE */
+ isr = ADC1->ISR;
+ ADC1->ISR = isr;
+#endif /* !STM32_ADC_DUAL_MODE */
+
+ adc_lld_serve_interrupt(&ADCD1, isr);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif /* STM32_ADC_USE_ADC1 */
+
+#if STM32_ADC_USE_ADC3 || defined(__DOXYGEN__)
+/**
+ * @brief ADC3 interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorFC) {
+ uint32_t isr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ isr = ADC3->ISR;
+ ADC3->ISR = isr;
+
+ adc_lld_serve_interrupt(&ADCD3, isr);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+#if STM32_ADC_DUAL_MODE
+/**
+ * @brief ADC4 interrupt handler (as ADC3 slave).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector134) {
+ uint32_t isr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ isr = ADC4->ISR;
+ ADC4->ISR = isr;
+
+ adc_lld_serve_interrupt(&ADCD3, isr);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif /* STM32_ADC_DUAL_MODE */
+#endif /* STM32_ADC_USE_ADC3 */
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level ADC driver initialization.
+ *
+ * @notapi
+ */
+void adc_lld_init(void) {
+
+#if STM32_ADC_USE_ADC1
+ /* Driver initialization.*/
+ adcObjectInit(&ADCD1);
+ ADCD1.adcc = ADC1_2;
+ ADCD1.adcm = ADC1;
+#if STM32_ADC_DUAL_MODE
+ ADCD1.adcs = ADC2;
+#endif
+ ADCD1.dmastp = STM32_DMA1_STREAM1;
+ ADCD1.dmamode = ADC_DMA_SIZE |
+ STM32_DMA_CR_PL(STM32_ADC_ADC12_DMA_PRIORITY) |
+ STM32_DMA_CR_DIR_P2M |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
+ nvicEnableVector(ADC1_2_IRQn, STM32_ADC_ADC12_IRQ_PRIORITY);
+#endif /* STM32_ADC_USE_ADC1 */
+
+#if STM32_ADC_USE_ADC3
+ /* Driver initialization.*/
+ adcObjectInit(&ADCD3);
+ ADCD3.adcc = ADC3_4;
+ ADCD3.adcm = ADC3;
+#if STM32_ADC_DUAL_MODE
+ ADCD3.adcs = ADC4;
+#endif
+ ADCD3.dmastp = STM32_DMA2_STREAM5;
+ ADCD3.dmamode = ADC_DMA_SIZE |
+ STM32_DMA_CR_PL(STM32_ADC_ADC12_DMA_PRIORITY) |
+ STM32_DMA_CR_DIR_P2M |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
+ nvicEnableVector(ADC3_IRQn, STM32_ADC_ADC34_IRQ_PRIORITY);
+#if STM32_ADC_DUAL_MODE
+ nvicEnableVector(ADC4_IRQn, STM32_ADC_ADC34_IRQ_PRIORITY);
+#endif
+#endif /* STM32_ADC_USE_ADC3 */
+}
+
+/**
+ * @brief Configures and activates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_start(ADCDriver *adcp) {
+
+ /* If in stopped state then enables the ADC and DMA clocks.*/
+ if (adcp->state == ADC_STOP) {
+#if STM32_ADC_USE_ADC1
+ if (&ADCD1 == adcp) {
+ bool b;
+ b = dmaStreamAllocate(adcp->dmastp,
+ STM32_ADC_ADC12_DMA_IRQ_PRIORITY,
+ (stm32_dmaisr_t)adc_lld_serve_dma_interrupt,
+ (void *)adcp);
+ osalDbgAssert(!b, "stream already allocated");
+ rccEnableADC12(FALSE);
+ }
+#endif /* STM32_ADC_USE_ADC1 */
+
+#if STM32_ADC_USE_ADC3
+ if (&ADCD3 == adcp) {
+ bool b;
+ b = dmaStreamAllocate(adcp->dmastp,
+ STM32_ADC_ADC34_DMA_IRQ_PRIORITY,
+ (stm32_dmaisr_t)adc_lld_serve_dma_interrupt,
+ (void *)adcp);
+ osalDbgAssert(!b, "stream already allocated");
+ rccEnableADC34(FALSE);
+ }
+#endif /* STM32_ADC_USE_ADC2 */
+
+ /* Setting DMA peripheral-side pointer.*/
+#if STM32_ADC_DUAL_MODE
+ dmaStreamSetPeripheral(adcp->dmastp, &adcp->adcc->CDR);
+#else
+ dmaStreamSetPeripheral(adcp->dmastp, &adcp->adcm->DR);
+#endif
+
+ /* Clock source setting.*/
+ adcp->adcc->CCR = STM32_ADC_ADC12_CLOCK_MODE | ADC_DMA_MDMA;
+
+ /* Master ADC calibration.*/
+ adc_lld_vreg_on(adcp);
+ adc_lld_calibrate(adcp);
+
+ /* Master ADC enabled here in order to reduce conversions latencies.*/
+ adc_lld_analog_on(adcp);
+ }
+}
+
+/**
+ * @brief Deactivates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_stop(ADCDriver *adcp) {
+
+ /* If in ready state then disables the ADC clock and analog part.*/
+ if (adcp->state == ADC_READY) {
+
+ /* Releasing the associated DMA channel.*/
+ dmaStreamRelease(adcp->dmastp);
+
+ /* Stopping the ongoing conversion, if any.*/
+ adc_lld_stop_adc(adcp);
+
+ /* Disabling ADC analog circuit and regulator.*/
+ adc_lld_analog_off(adcp);
+ adc_lld_vreg_off(adcp);
+
+#if STM32_ADC_USE_ADC1
+ if (&ADCD1 == adcp)
+ rccDisableADC12(FALSE);
+#endif
+
+#if STM32_ADC_USE_ADC3
+ if (&ADCD1 == adcp)
+ rccDisableADC34(FALSE);
+#endif
+ }
+}
+
+/**
+ * @brief Starts an ADC conversion.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_start_conversion(ADCDriver *adcp) {
+ uint32_t dmamode, ccr, cfgr;
+ const ADCConversionGroup *grpp = adcp->grpp;
+
+ osalDbgAssert(!STM32_ADC_DUAL_MODE || ((grpp->num_channels & 1) == 0),
+ "odd number of channels in dual mode");
+
+ /* Calculating control registers values.*/
+ dmamode = adcp->dmamode;
+ ccr = grpp->ccr | (adcp->adcc->CCR & (ADC_CCR_CKMODE_MASK |
+ ADC_CCR_MDMA_MASK));
+ cfgr = grpp->cfgr | ADC_CFGR_CONT | ADC_CFGR_DMAEN;
+ if (grpp->circular) {
+ dmamode |= STM32_DMA_CR_CIRC;
+#if STM32_ADC_DUAL_MODE
+ ccr |= ADC_CCR_DMACFG_CIRCULAR;
+#else
+ cfgr |= ADC_CFGR_DMACFG_CIRCULAR;
+#endif
+ if (adcp->depth > 1) {
+ /* If circular buffer depth > 1, then the half transfer interrupt
+ is enabled in order to allow streaming processing.*/
+ dmamode |= STM32_DMA_CR_HTIE;
+ }
+ }
+
+ /* DMA setup.*/
+ dmaStreamSetMemory0(adcp->dmastp, adcp->samples);
+#if STM32_ADC_DUAL_MODE
+ dmaStreamSetTransactionSize(adcp->dmastp, ((uint32_t)grpp->num_channels/2) *
+ (uint32_t)adcp->depth);
+#else
+ dmaStreamSetTransactionSize(adcp->dmastp, (uint32_t)grpp->num_channels *
+ (uint32_t)adcp->depth);
+#endif
+ dmaStreamSetMode(adcp->dmastp, dmamode);
+ dmaStreamEnable(adcp->dmastp);
+
+ /* Configuring the CCR register with the static settings ORed with
+ the user-specified settings in the conversion group configuration
+ structure.*/
+ adcp->adcc->CCR = ccr;
+
+ /* ADC setup, if it is defined a callback for the analog watch dog then it
+ is enabled.*/
+ adcp->adcm->ISR = adcp->adcm->ISR;
+ adcp->adcm->IER = ADC_IER_OVR | ADC_IER_AWD1;
+ adcp->adcm->TR1 = grpp->tr1;
+#if STM32_ADC_DUAL_MODE
+ adcp->adcm->SMPR1 = grpp->smpr[0];
+ adcp->adcm->SMPR2 = grpp->smpr[1];
+ adcp->adcm->SQR1 = grpp->sqr[0] | ADC_SQR1_NUM_CH(grpp->num_channels / 2);
+ adcp->adcm->SQR2 = grpp->sqr[1];
+ adcp->adcm->SQR3 = grpp->sqr[2];
+ adcp->adcm->SQR4 = grpp->sqr[3];
+ adcp->adcs->SMPR1 = grpp->ssmpr[0];
+ adcp->adcs->SMPR2 = grpp->ssmpr[1];
+ adcp->adcs->SQR1 = grpp->ssqr[0] | ADC_SQR1_NUM_CH(grpp->num_channels / 2);
+ adcp->adcs->SQR2 = grpp->ssqr[1];
+ adcp->adcs->SQR3 = grpp->ssqr[2];
+ adcp->adcs->SQR4 = grpp->ssqr[3];
+
+#else /* !STM32_ADC_DUAL_MODE */
+ adcp->adcm->SMPR1 = grpp->smpr[0];
+ adcp->adcm->SMPR2 = grpp->smpr[1];
+ adcp->adcm->SQR1 = grpp->sqr[0] | ADC_SQR1_NUM_CH(grpp->num_channels);
+ adcp->adcm->SQR2 = grpp->sqr[1];
+ adcp->adcm->SQR3 = grpp->sqr[2];
+ adcp->adcm->SQR4 = grpp->sqr[3];
+#endif /* !STM32_ADC_DUAL_MODE */
+
+ /* ADC configuration.*/
+ adcp->adcm->CFGR = cfgr;
+
+ /* Starting conversion.*/
+ adcp->adcm->CR |= ADC_CR_ADSTART;
+}
+
+/**
+ * @brief Stops an ongoing conversion.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_stop_conversion(ADCDriver *adcp) {
+
+ dmaStreamDisable(adcp->dmastp);
+ adc_lld_stop_adc(adcp);
+}
+
+#endif /* HAL_USE_ADC */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F30x/adc_lld.h b/os/hal/ports/STM32/STM32F30x/adc_lld.h new file mode 100644 index 000000000..1c9ac03e4 --- /dev/null +++ b/os/hal/ports/STM32/STM32F30x/adc_lld.h @@ -0,0 +1,608 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F30x/adc_lld.h
+ * @brief STM32F30x ADC subsystem low level driver header.
+ *
+ * @addtogroup ADC
+ * @{
+ */
+
+#ifndef _ADC_LLD_H_
+#define _ADC_LLD_H_
+
+#if HAL_USE_ADC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Available analog channels
+ * @{
+ */
+#define ADC_CHANNEL_IN1 1 /**< @brief External analog input 1. */
+#define ADC_CHANNEL_IN2 2 /**< @brief External analog input 2. */
+#define ADC_CHANNEL_IN3 3 /**< @brief External analog input 3. */
+#define ADC_CHANNEL_IN4 4 /**< @brief External analog input 4. */
+#define ADC_CHANNEL_IN5 5 /**< @brief External analog input 5. */
+#define ADC_CHANNEL_IN6 6 /**< @brief External analog input 6. */
+#define ADC_CHANNEL_IN7 7 /**< @brief External analog input 7. */
+#define ADC_CHANNEL_IN8 8 /**< @brief External analog input 8. */
+#define ADC_CHANNEL_IN9 9 /**< @brief External analog input 9. */
+#define ADC_CHANNEL_IN10 10 /**< @brief External analog input 10. */
+#define ADC_CHANNEL_IN11 11 /**< @brief External analog input 11. */
+#define ADC_CHANNEL_IN12 12 /**< @brief External analog input 12. */
+#define ADC_CHANNEL_IN13 13 /**< @brief External analog input 13. */
+#define ADC_CHANNEL_IN14 14 /**< @brief External analog input 14. */
+#define ADC_CHANNEL_IN15 15 /**< @brief External analog input 15. */
+#define ADC_CHANNEL_IN16 16 /**< @brief External analog input 16. */
+#define ADC_CHANNEL_IN17 17 /**< @brief External analog input 17. */
+#define ADC_CHANNEL_IN18 18 /**< @brief External analog input 18. */
+/** @} */
+
+/**
+ * @name Sampling rates
+ * @{
+ */
+#define ADC_SMPR_SMP_1P5 0 /**< @brief 14 cycles conversion time */
+#define ADC_SMPR_SMP_2P5 1 /**< @brief 15 cycles conversion time. */
+#define ADC_SMPR_SMP_4P5 2 /**< @brief 17 cycles conversion time. */
+#define ADC_SMPR_SMP_7P5 3 /**< @brief 20 cycles conversion time. */
+#define ADC_SMPR_SMP_19P5 4 /**< @brief 32 cycles conversion time. */
+#define ADC_SMPR_SMP_61P5 5 /**< @brief 74 cycles conversion time. */
+#define ADC_SMPR_SMP_181P5 6 /**< @brief 194 cycles conversion time. */
+#define ADC_SMPR_SMP_601P5 7 /**< @brief 614 cycles conversion time. */
+/** @} */
+
+/**
+ * @name Resolution
+ * @{
+ */
+#define ADC_CFGR1_RES_12BIT (0 << 3)
+#define ADC_CFGR1_RES_10BIT (1 << 3)
+#define ADC_CFGR1_RES_8BIT (2 << 3)
+#define ADC_CFGR1_RES_6BIT (3 << 3)
+/** @} */
+
+/**
+ * @name CFGR register configuration helpers
+ * @{
+ */
+#define ADC_CFGR_DMACFG_MASK (1 << 1)
+#define ADC_CFGR_DMACFG_ONESHOT (0 << 1)
+#define ADC_CFGR_DMACFG_CIRCULAR (1 << 1)
+
+#define ADC_CFGR_RES_MASK (3 << 3)
+#define ADC_CFGR_RES_12BITS (0 << 3)
+#define ADC_CFGR_RES_10BITS (1 << 3)
+#define ADC_CFGR_RES_8BITS (2 << 3)
+#define ADC_CFGR_RES_6BITS (3 << 3)
+
+#define ADC_CFGR_ALIGN_MASK (1 << 5)
+#define ADC_CFGR_ALIGN_RIGHT (0 << 5)
+#define ADC_CFGR_ALIGN_LEFT (1 << 5)
+
+#define ADC_CFGR_EXTSEL_MASK (15 << 6)
+#define ADC_CFGR_EXTSEL_SRC(n) ((n) << 6)
+
+#define ADC_CFGR_EXTEN_MASK (3 << 10)
+#define ADC_CFGR_EXTEN_DISABLED (0 << 10)
+#define ADC_CFGR_EXTEN_RISING (1 << 10)
+#define ADC_CFGR_EXTEN_FALLING (2 << 10)
+#define ADC_CFGR_EXTEN_BOTH (3 << 10)
+
+#define ADC_CFGR_DISCEN_MASK (1 << 16)
+#define ADC_CFGR_DISCEN_DISABLED (0 << 16)
+#define ADC_CFGR_DISCEN_ENABLED (1 << 16)
+
+#define ADC_CFGR_DISCNUM_MASK (7 << 17)
+#define ADC_CFGR_DISCNUM_VAL(n) ((n) << 17)
+
+#define ADC_CFGR_AWD1_DISABLED 0
+#define ADC_CFGR_AWD1_ALL (1 << 23)
+#define ADC_CFGR_AWD1_SINGLE(n) (((n) << 26) | (1 << 23) | (1 << 22))
+/** @} */
+
+/**
+ * @name CCR register configuration helpers
+ * @{
+ */
+#define ADC_CCR_DUAL_MASK (31 << 0)
+#define ADC_CCR_DUAL(n) ((n) << 0)
+#define ADC_CCR_DELAY_MASK (15 << 8)
+#define ADC_CCR_DELAY(n) ((n) << 8)
+#define ADC_CCR_DMACFG_MASK (1 << 13)
+#define ADC_CCR_DMACFG_ONESHOT (0 << 13)
+#define ADC_CCR_DMACFG_CIRCULAR (1 << 13)
+#define ADC_CCR_MDMA_MASK (3 << 14)
+#define ADC_CCR_MDMA_DISABLED (0 << 14)
+#define ADC_CCR_MDMA_WORD (2 << 14)
+#define ADC_CCR_MDMA_HWORD (3 << 14)
+#define ADC_CCR_CKMODE_MASK (3 << 16)
+#define ADC_CCR_CKMODE_ADCCK (0 << 16)
+#define ADC_CCR_CKMODE_AHB_DIV1 (1 << 16)
+#define ADC_CCR_CKMODE_AHB_DIV2 (2 << 16)
+#define ADC_CCR_CKMODE_AHB_DIV4 (3 << 16)
+#define ADC_CCR_VREFEN (1 << 22)
+#define ADC_CCR_TSEN (1 << 23)
+#define ADC_CCR_VBATEN (1 << 24)
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief ADC1 driver enable switch.
+ * @details If set to @p TRUE the support for ADC1 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(STM32_ADC_USE_ADC1) || defined(__DOXYGEN__)
+#define STM32_ADC_USE_ADC1 FALSE
+#endif
+
+/**
+ * @brief ADC3 driver enable switch.
+ * @details If set to @p TRUE the support for ADC3 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(STM32_ADC_USE_ADC3) || defined(__DOXYGEN__)
+#define STM32_ADC_USE_ADC3 FALSE
+#endif
+
+/**
+ * @brief ADC1/ADC2 DMA priority (0..3|lowest..highest).
+ */
+#if !defined(STM32_ADC_ADC12_DMA_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC12_DMA_PRIORITY 2
+#endif
+
+/**
+ * @brief ADC3/ADC4 DMA priority (0..3|lowest..highest).
+ */
+#if !defined(STM32_ADC_ADC34_DMA_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC34_DMA_PRIORITY 2
+#endif
+
+/**
+ * @brief ADC1/ADC2 interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_ADC12_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC12_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief ADC3/ADC4 interrupt priority level setting.
+ */
+#if !defined(STM32_ADC34_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC34_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief ADC1/ADC2 DMA interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_ADC12_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC12_DMA_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief ADC3/ADC4 DMA interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_ADC34_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC34_DMA_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief ADC1/ADC2 clock source and mode.
+ */
+#if !defined(STM32_ADC_ADC12_CLOCK_MODE) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC12_CLOCK_MODE ADC_CCR_CKMODE_AHB_DIV1
+#endif
+
+/**
+ * @brief ADC3/ADC4 clock source and mode.
+ */
+#if !defined(STM32_ADC_ADC34_CLOCK_MODE) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC34_CLOCK_MODE ADC_CCR_CKMODE_AHB_DIV1
+#endif
+
+/**
+ * @brief Enables the ADC master/slave mode.
+ */
+#if !defined(STM32_ADC_DUAL_MODE) || defined(__DOXYGEN__)
+#define STM32_ADC_DUAL_MODE FALSE
+#endif
+
+/**
+ * @brief Makes the ADC samples type an 8bits one.
+ */
+#if !defined(STM32_ADC_COMPACT_SAMPLES) || defined(__DOXYGEN__)
+#define STM32_ADC_COMPACT_SAMPLES FALSE
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 && !STM32_HAS_ADC1
+#error "ADC1 not present in the selected device"
+#endif
+
+#if STM32_ADC_USE_ADC3 && !STM32_HAS_ADC3
+#error "ADC3 not present in the selected device"
+#endif
+
+#if !STM32_ADC_USE_ADC1 && !STM32_ADC_USE_ADC3
+#error "ADC driver activated but no ADC peripheral assigned"
+#endif
+
+#if STM32_ADC_USE_ADC1 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC12_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to ADC1"
+#endif
+
+#if STM32_ADC_USE_ADC1 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC12_DMA_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to ADC1 DMA"
+#endif
+
+#if STM32_ADC_USE_ADC1 && \
+ !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC12_DMA_PRIORITY)
+#error "Invalid DMA priority assigned to ADC1"
+#endif
+
+#if STM32_ADC_USE_ADC3 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC34_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to ADC3"
+#endif
+
+#if STM32_ADC_USE_ADC3 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC34_DMA_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to ADC3 DMA"
+#endif
+
+#if STM32_ADC_USE_ADC3 && \
+ !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC34_DMA_PRIORITY)
+#error "Invalid DMA priority assigned to ADC3"
+#endif
+
+#if STM32_ADC_ADC12_CLOCK_MODE == ADC_CCR_CKMODE_ADCCK
+#define STM32_ADC12_CLOCK STM32_ADC12CLK
+#elif STM32_ADC_ADC12_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV1
+#define STM32_ADC12_CLOCK (STM32_HCLK / 1)
+#elif STM32_ADC_ADC12_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV2
+#define STM32_ADC12_CLOCK (STM32_HCLK / 2)
+#elif STM32_ADC_ADC12_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV4
+#define STM32_ADC12_CLOCK (STM32_HCLK / 4)
+#else
+#error "invalid clock mode selected for STM32_ADC_ADC12_CLOCK_MODE"
+#endif
+
+#if STM32_ADC_ADC34_CLOCK_MODE == ADC_CCR_CKMODE_ADCCK
+#define STM32_ADC34_CLOCK STM32_ADC34CLK
+#elif STM32_ADC_ADC34_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV1
+#define STM32_ADC34_CLOCK (STM32_HCLK / 1)
+#elif STM32_ADC_ADC34_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV2
+#define STM32_ADC34_CLOCK (STM32_HCLK / 2)
+#elif STM32_ADC_ADC34_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV4
+#define STM32_ADC34_CLOCK (STM32_HCLK / 4)
+#else
+#error "invalid clock mode selected for STM32_ADC_ADC12_CLOCK_MODE"
+#endif
+
+#if STM32_ADC12_CLOCK > 72000000
+#error "STM32_ADC12_CLOCK exceeding maximum frequency (72000000)"
+#endif
+
+#if STM32_ADC34_CLOCK > 72000000
+#error "STM32_ADC34_CLOCK exceeding maximum frequency (72000000)"
+#endif
+
+#if !defined(STM32_DMA_REQUIRED)
+#define STM32_DMA_REQUIRED
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief ADC sample data type.
+ */
+#if !STM32_ADC_COMPACT_SAMPLES || defined(__DOXYGEN__)
+typedef uint16_t adcsample_t;
+#else
+typedef uint8_t adcsample_t;
+#endif
+
+/**
+ * @brief Channels number in a conversion group.
+ */
+typedef uint16_t adc_channels_num_t;
+
+/**
+ * @brief Possible ADC failure causes.
+ * @note Error codes are architecture dependent and should not relied
+ * upon.
+ */
+typedef enum {
+ ADC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */
+ ADC_ERR_OVERFLOW = 1, /**< ADC overflow condition. */
+ ADC_ERR_AWD1 = 2, /**< Watchdog 1 triggered. */
+ ADC_ERR_AWD2 = 3, /**< Watchdog 2 triggered. */
+ ADC_ERR_AWD3 = 4 /**< Watchdog 3 triggered. */
+} adcerror_t;
+
+/**
+ * @brief Type of a structure representing an ADC driver.
+ */
+typedef struct ADCDriver ADCDriver;
+
+/**
+ * @brief ADC notification callback type.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object triggering the
+ * callback
+ * @param[in] buffer pointer to the most recent samples data
+ * @param[in] n number of buffer rows available starting from @p buffer
+ */
+typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n);
+
+/**
+ * @brief ADC error callback type.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object triggering the
+ * callback
+ * @param[in] err ADC error code
+ */
+typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err);
+
+/**
+ * @brief Conversion group configuration structure.
+ * @details This implementation-dependent structure describes a conversion
+ * operation.
+ * @note The use of this configuration structure requires knowledge of
+ * STM32 ADC cell registers interface, please refer to the STM32
+ * reference manual for details.
+ */
+typedef struct {
+ /**
+ * @brief Enables the circular buffer mode for the group.
+ */
+ bool circular;
+ /**
+ * @brief Number of the analog channels belonging to the conversion group.
+ */
+ adc_channels_num_t num_channels;
+ /**
+ * @brief Callback function associated to the group or @p NULL.
+ */
+ adccallback_t end_cb;
+ /**
+ * @brief Error callback or @p NULL.
+ */
+ adcerrorcallback_t error_cb;
+ /* End of the mandatory fields.*/
+ /**
+ * @brief ADC CFGR register initialization data.
+ * @note The bits DMAEN, DMACFG, OVRMOD, CONT are enforced internally
+ * to the driver, keep them to zero.
+ */
+ uint32_t cfgr;
+ /**
+ * @brief ADC TR1 register initialization data.
+ */
+ uint32_t tr1;
+ /**
+ * @brief ADC CCR register initialization data.
+ * @note The bits CKMODE, MDMA, DMACFG are enforced internally to the
+ * driver, keep them to zero.
+ */
+ uint32_t ccr;
+ /**
+ * @brief ADC SMPRx registers initialization data.
+ */
+ uint32_t smpr[2];
+ /**
+ * @brief ADC SQRx register initialization data.
+ */
+ uint32_t sqr[4];
+#if STM32_ADC_DUAL_MODE || defined(__DOXYGEN__)
+ /**
+ * @brief Slave ADC SMPRx registers initialization data.
+ */
+ uint32_t ssmpr[2];
+ /**
+ * @brief Slave ADC SQRx register initialization data.
+ */
+ uint32_t ssqr[4];
+#endif /* STM32_ADC_DUAL_MODE */
+} ADCConversionGroup;
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+typedef struct {
+ uint32_t dummy;
+} ADCConfig;
+
+/**
+ * @brief Structure representing an ADC driver.
+ */
+struct ADCDriver {
+ /**
+ * @brief Driver state.
+ */
+ adcstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const ADCConfig *config;
+ /**
+ * @brief Current samples buffer pointer or @p NULL.
+ */
+ adcsample_t *samples;
+ /**
+ * @brief Current samples buffer depth or @p 0.
+ */
+ size_t depth;
+ /**
+ * @brief Current conversion group pointer or @p NULL.
+ */
+ const ADCConversionGroup *grpp;
+#if ADC_USE_WAIT || defined(__DOXYGEN__)
+ /**
+ * @brief Waiting thread.
+ */
+ thread_reference_t thread;
+#endif
+#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
+ /**
+ * @brief Mutex protecting the peripheral.
+ */
+ mutex_t mutex;
+#endif /* ADC_USE_MUTUAL_EXCLUSION */
+#if defined(ADC_DRIVER_EXT_FIELDS)
+ ADC_DRIVER_EXT_FIELDS
+#endif
+ /* End of the mandatory fields.*/
+ /**
+ * @brief Pointer to the common ADCx_y registers block.
+ */
+ ADC_Common_TypeDef *adcc;
+ /**
+ * @brief Pointer to the master ADCx registers block.
+ */
+ ADC_TypeDef *adcm;
+#if STM32_ADC_DUAL_MODE || defined(__DOXYGEN__)
+ /**
+ * @brief Pointer to the slave ADCx registers block.
+ */
+ ADC_TypeDef *adcs;
+#endif /* STM32_ADC_DUAL_MODE */
+ /**
+ * @brief Pointer to associated DMA channel.
+ */
+ const stm32_dma_stream_t *dmastp;
+ /**
+ * @brief DMA mode bit mask.
+ */
+ uint32_t dmamode;
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Threashold register initializer
+ * @{
+ */
+#define ADC_TR(low, high) (((uint32_t)(high) << 16) | (uint32_t)(low))
+/** @} */
+
+/**
+ * @name Sequences building helper macros
+ * @{
+ */
+/**
+ * @brief Number of channels in a conversion sequence.
+ */
+#define ADC_SQR1_NUM_CH(n) (((n) - 1) << 0)
+
+#define ADC_SQR1_SQ1_N(n) ((n) << 6) /**< @brief 1st channel in seq. */
+#define ADC_SQR1_SQ2_N(n) ((n) << 12) /**< @brief 2nd channel in seq. */
+#define ADC_SQR1_SQ3_N(n) ((n) << 18) /**< @brief 3rd channel in seq. */
+#define ADC_SQR1_SQ4_N(n) ((n) << 24) /**< @brief 4th channel in seq. */
+
+#define ADC_SQR2_SQ5_N(n) ((n) << 0) /**< @brief 5th channel in seq. */
+#define ADC_SQR2_SQ6_N(n) ((n) << 6) /**< @brief 6th channel in seq. */
+#define ADC_SQR2_SQ7_N(n) ((n) << 12) /**< @brief 7th channel in seq. */
+#define ADC_SQR2_SQ8_N(n) ((n) << 18) /**< @brief 8th channel in seq. */
+#define ADC_SQR2_SQ9_N(n) ((n) << 24) /**< @brief 9th channel in seq. */
+
+#define ADC_SQR3_SQ10_N(n) ((n) << 0) /**< @brief 10th channel in seq.*/
+#define ADC_SQR3_SQ11_N(n) ((n) << 6) /**< @brief 11th channel in seq.*/
+#define ADC_SQR3_SQ12_N(n) ((n) << 12) /**< @brief 12th channel in seq.*/
+#define ADC_SQR3_SQ13_N(n) ((n) << 18) /**< @brief 13th channel in seq.*/
+#define ADC_SQR3_SQ14_N(n) ((n) << 24) /**< @brief 14th channel in seq.*/
+
+#define ADC_SQR4_SQ15_N(n) ((n) << 0) /**< @brief 15th channel in seq.*/
+#define ADC_SQR4_SQ16_N(n) ((n) << 6) /**< @brief 16th channel in seq.*/
+/** @} */
+
+/**
+ * @name Sampling rate settings helper macros
+ * @{
+ */
+#define ADC_SMPR1_SMP_AN1(n) ((n) << 3) /**< @brief AN1 sampling time. */
+#define ADC_SMPR1_SMP_AN2(n) ((n) << 6) /**< @brief AN2 sampling time. */
+#define ADC_SMPR1_SMP_AN3(n) ((n) << 9) /**< @brief AN3 sampling time. */
+#define ADC_SMPR1_SMP_AN4(n) ((n) << 12) /**< @brief AN4 sampling time. */
+#define ADC_SMPR1_SMP_AN5(n) ((n) << 15) /**< @brief AN5 sampling time. */
+#define ADC_SMPR1_SMP_AN6(n) ((n) << 18) /**< @brief AN6 sampling time. */
+#define ADC_SMPR1_SMP_AN7(n) ((n) << 21) /**< @brief AN7 sampling time. */
+#define ADC_SMPR1_SMP_AN8(n) ((n) << 24) /**< @brief AN8 sampling time. */
+#define ADC_SMPR1_SMP_AN9(n) ((n) << 27) /**< @brief AN9 sampling time. */
+
+#define ADC_SMPR2_SMP_AN10(n) ((n) << 0) /**< @brief AN10 sampling time. */
+#define ADC_SMPR2_SMP_AN11(n) ((n) << 3) /**< @brief AN11 sampling time. */
+#define ADC_SMPR2_SMP_AN12(n) ((n) << 6) /**< @brief AN12 sampling time. */
+#define ADC_SMPR2_SMP_AN13(n) ((n) << 9) /**< @brief AN13 sampling time. */
+#define ADC_SMPR2_SMP_AN14(n) ((n) << 12) /**< @brief AN14 sampling time. */
+#define ADC_SMPR2_SMP_AN15(n) ((n) << 15) /**< @brief AN15 sampling time. */
+#define ADC_SMPR2_SMP_AN16(n) ((n) << 18) /**< @brief AN16 sampling time. */
+#define ADC_SMPR2_SMP_AN17(n) ((n) << 21) /**< @brief AN17 sampling time. */
+#define ADC_SMPR2_SMP_AN18(n) ((n) << 24) /**< @brief AN18 sampling time. */
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 && !defined(__DOXYGEN__)
+extern ADCDriver ADCD1;
+#endif
+
+#if STM32_ADC_USE_ADC3 && !defined(__DOXYGEN__)
+extern ADCDriver ADCD3;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void adc_lld_init(void);
+ void adc_lld_start(ADCDriver *adcp);
+ void adc_lld_stop(ADCDriver *adcp);
+ void adc_lld_start_conversion(ADCDriver *adcp);
+ void adc_lld_stop_conversion(ADCDriver *adcp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_ADC */
+
+#endif /* _ADC_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F30x/ext_lld_isr.c b/os/hal/ports/STM32/STM32F30x/ext_lld_isr.c new file mode 100644 index 000000000..08af37b19 --- /dev/null +++ b/os/hal/ports/STM32/STM32F30x/ext_lld_isr.c @@ -0,0 +1,402 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F30x/ext_lld_isr.c
+ * @brief STM32F30x EXT subsystem low level driver ISR code.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+#include "ext_lld_isr.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+#if !defined(STM32_DISABLE_EXTI0_HANDLER)
+/**
+ * @brief EXTI[0] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector58) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 0);
+ EXTD1.config->channels[0].cb(&EXTD1, 0);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI1_HANDLER)
+/**
+ * @brief EXTI[1] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector5C) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 1);
+ EXTD1.config->channels[1].cb(&EXTD1, 1);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI2_HANDLER)
+/**
+ * @brief EXTI[2] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector60) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 2);
+ EXTD1.config->channels[2].cb(&EXTD1, 2);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI3_HANDLER)
+/**
+ * @brief EXTI[3] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector64) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 3);
+ EXTD1.config->channels[3].cb(&EXTD1, 3);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI4_HANDLER)
+/**
+ * @brief EXTI[4] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector68) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 4);
+ EXTD1.config->channels[4].cb(&EXTD1, 4);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI5_9_HANDLER)
+/**
+ * @brief EXTI[5]...EXTI[9] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector9C) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9));
+ EXTI->PR = pr;
+ if (pr & (1 << 5))
+ EXTD1.config->channels[5].cb(&EXTD1, 5);
+ if (pr & (1 << 6))
+ EXTD1.config->channels[6].cb(&EXTD1, 6);
+ if (pr & (1 << 7))
+ EXTD1.config->channels[7].cb(&EXTD1, 7);
+ if (pr & (1 << 8))
+ EXTD1.config->channels[8].cb(&EXTD1, 8);
+ if (pr & (1 << 9))
+ EXTD1.config->channels[9].cb(&EXTD1, 9);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI10_15_HANDLER)
+/**
+ * @brief EXTI[10]...EXTI[15] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE0) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) | (1 << 14) |
+ (1 << 15));
+ EXTI->PR = pr;
+ if (pr & (1 << 10))
+ EXTD1.config->channels[10].cb(&EXTD1, 10);
+ if (pr & (1 << 11))
+ EXTD1.config->channels[11].cb(&EXTD1, 11);
+ if (pr & (1 << 12))
+ EXTD1.config->channels[12].cb(&EXTD1, 12);
+ if (pr & (1 << 13))
+ EXTD1.config->channels[13].cb(&EXTD1, 13);
+ if (pr & (1 << 14))
+ EXTD1.config->channels[14].cb(&EXTD1, 14);
+ if (pr & (1 << 15))
+ EXTD1.config->channels[15].cb(&EXTD1, 15);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI16_HANDLER)
+/**
+ * @brief EXTI[16] interrupt handler (PVD).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector44) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 16);
+ EXTD1.config->channels[16].cb(&EXTD1, 16);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI17_HANDLER)
+/**
+ * @brief EXTI[17] interrupt handler (RTC Alarm).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE4) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 17);
+ EXTD1.config->channels[17].cb(&EXTD1, 17);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI18_HANDLER)
+/**
+ * @brief EXTI[18] interrupt handler (USB Wakeup).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE8) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 18);
+ EXTD1.config->channels[18].cb(&EXTD1, 18);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI19_HANDLER)
+/**
+ * @brief EXTI[19] interrupt handler (Tamper TimeStamp).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector48) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 19);
+ EXTD1.config->channels[19].cb(&EXTD1, 19);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI20_HANDLER)
+/**
+ * @brief EXTI[20] interrupt handler (RTC Wakeup).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector4C) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 20);
+ EXTD1.config->channels[20].cb(&EXTD1, 20);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI21_22_29_HANDLER)
+/**
+ * @brief EXTI[21],EXTI[22],EXTI[29] interrupt handler (COMP1, COMP2, COMP3).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector140) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 21) | (1 << 22) | (1 << 29));
+ EXTI->PR = pr;
+ if (pr & (1 << 21))
+ EXTD1.config->channels[21].cb(&EXTD1, 21);
+ if (pr & (1 << 22))
+ EXTD1.config->channels[22].cb(&EXTD1, 22);
+ if (pr & (1 << 29))
+ EXTD1.config->channels[29].cb(&EXTD1, 29);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI30_32_HANDLER)
+/**
+ * @brief EXTI[30]...EXTI[32] interrupt handler (COMP4, COMP5, COMP6).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector144) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 30) | (1 << 31));
+ EXTI->PR = pr;
+ if (pr & (1 << 30))
+ EXTD1.config->channels[30].cb(&EXTD1, 30);
+ if (pr & (1 << 31))
+ EXTD1.config->channels[31].cb(&EXTD1, 31);
+
+ pr = EXTI->PR2 & (1 << 0);
+ EXTI->PR2 = pr;
+ if (pr & (1 << 0))
+ EXTD1.config->channels[32].cb(&EXTD1, 32);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI33_HANDLER)
+/**
+ * @brief EXTI[33] interrupt handler (COMP7).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(RTC_WKUP_IRQHandler) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR2 = (1 << 1);
+ EXTD1.config->channels[33].cb(&EXTD1, 33);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Enables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_enable(void) {
+
+ nvicEnableVector(EXTI0_IRQn, STM32_EXT_EXTI0_IRQ_PRIORITY);
+ nvicEnableVector(EXTI1_IRQn, STM32_EXT_EXTI1_IRQ_PRIORITY);
+ nvicEnableVector(EXTI2_TS_IRQn, STM32_EXT_EXTI2_IRQ_PRIORITY);
+ nvicEnableVector(EXTI3_IRQn, STM32_EXT_EXTI3_IRQ_PRIORITY);
+ nvicEnableVector(EXTI4_IRQn, STM32_EXT_EXTI4_IRQ_PRIORITY);
+ nvicEnableVector(EXTI9_5_IRQn, STM32_EXT_EXTI5_9_IRQ_PRIORITY);
+ nvicEnableVector(EXTI15_10_IRQn, STM32_EXT_EXTI10_15_IRQ_PRIORITY);
+ nvicEnableVector(PVD_IRQn, STM32_EXT_EXTI16_IRQ_PRIORITY);
+ nvicEnableVector(RTC_Alarm_IRQn, STM32_EXT_EXTI17_IRQ_PRIORITY);
+ nvicEnableVector(USBWakeUp_IRQn, STM32_EXT_EXTI18_IRQ_PRIORITY);
+ nvicEnableVector(TAMPER_STAMP_IRQn, STM32_EXT_EXTI19_IRQ_PRIORITY);
+ nvicEnableVector(RTC_WKUP_IRQn, STM32_EXT_EXTI20_IRQ_PRIORITY);
+ nvicEnableVector(COMP1_2_3_IRQn, STM32_EXT_EXTI21_22_29_IRQ_PRIORITY);
+ nvicEnableVector(COMP4_5_6_IRQn, STM32_EXT_EXTI30_32_IRQ_PRIORITY);
+ nvicEnableVector(COMP7_IRQn, STM32_EXT_EXTI33_IRQ_PRIORITY);
+}
+
+/**
+ * @brief Disables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_disable(void) {
+
+ nvicDisableVector(EXTI0_IRQn);
+ nvicDisableVector(EXTI1_IRQn);
+ nvicDisableVector(EXTI2_TS_IRQn);
+ nvicDisableVector(EXTI3_IRQn);
+ nvicDisableVector(EXTI4_IRQn);
+ nvicDisableVector(EXTI9_5_IRQn);
+ nvicDisableVector(EXTI15_10_IRQn);
+ nvicDisableVector(PVD_IRQn);
+ nvicDisableVector(RTC_Alarm_IRQn);
+ nvicDisableVector(USBWakeUp_IRQn);
+ nvicDisableVector(TAMPER_STAMP_IRQn);
+ nvicDisableVector(RTC_WKUP_IRQn);
+ nvicDisableVector(COMP1_2_3_IRQn);
+ nvicDisableVector(COMP4_5_6_IRQn);
+ nvicDisableVector(COMP7_IRQn);
+}
+
+#endif /* HAL_USE_EXT */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F30x/ext_lld_isr.h b/os/hal/ports/STM32/STM32F30x/ext_lld_isr.h new file mode 100644 index 000000000..42f1e30fe --- /dev/null +++ b/os/hal/ports/STM32/STM32F30x/ext_lld_isr.h @@ -0,0 +1,177 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F30x/ext_lld_isr.h
+ * @brief STM32F30x EXT subsystem low level driver ISR header.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#ifndef _EXT_LLD_ISR_H_
+#define _EXT_LLD_ISR_H_
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief EXTI0 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI0_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI0_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI1 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI1_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI1_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI2 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI2_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI2_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI3 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI3_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI3_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI4 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI4_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI4_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI5..9 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI5_9_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI5_9_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI10..15 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI10_15_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI10_15_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI16 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI16_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI16_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI17 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI17_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI17_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI18 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI18_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI19 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI19_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI20 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI20_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI21,22,29 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI21_22_29_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI30..32 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI30_32_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI30_32_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI33 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI33_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI33_IRQ_PRIORITY 6
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void ext_lld_exti_irq_enable(void);
+ void ext_lld_exti_irq_disable(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_EXT */
+
+#endif /* _EXT_LLD_ISR_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F30x/hal_lld.c b/os/hal/ports/STM32/STM32F30x/hal_lld.c new file mode 100644 index 000000000..46561dc76 --- /dev/null +++ b/os/hal/ports/STM32/STM32F30x/hal_lld.c @@ -0,0 +1,197 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F30x/hal_lld.c
+ * @brief STM32F30x HAL subsystem low level driver source.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#include "hal.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Initializes the backup domain.
+ * @note WARNING! Changing clock source impossible without resetting
+ * of the whole BKP domain.
+ */
+static void hal_lld_backup_domain_init(void) {
+
+ /* Backup domain access enabled and left open.*/
+ PWR->CR |= PWR_CR_DBP;
+
+ /* Reset BKP domain if different clock source selected.*/
+ if ((RCC->BDCR & STM32_RTCSEL_MASK) != STM32_RTCSEL){
+ /* Backup domain reset.*/
+ RCC->BDCR = RCC_BDCR_BDRST;
+ RCC->BDCR = 0;
+ }
+
+ /* If enabled then the LSE is started.*/
+#if STM32_LSE_ENABLED
+#if defined(STM32_LSE_BYPASS)
+ /* LSE Bypass.*/
+ RCC->BDCR |= STM32_LSEDRV | RCC_BDCR_LSEON | RCC_BDCR_LSEBYP;
+#else
+ /* No LSE Bypass.*/
+ RCC->BDCR |= STM32_LSEDRV | RCC_BDCR_LSEON;
+#endif
+ while ((RCC->BDCR & RCC_BDCR_LSERDY) == 0)
+ ; /* Waits until LSE is stable. */
+#endif
+
+#if STM32_RTCSEL != STM32_RTCSEL_NOCLOCK
+ /* If the backup domain hasn't been initialized yet then proceed with
+ initialization.*/
+ if ((RCC->BDCR & RCC_BDCR_RTCEN) == 0) {
+ /* Selects clock source.*/
+ RCC->BDCR |= STM32_RTCSEL;
+
+ /* RTC clock enabled.*/
+ RCC->BDCR |= RCC_BDCR_RTCEN;
+ }
+#endif /* STM32_RTCSEL != STM32_RTCSEL_NOCLOCK */
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level HAL driver initialization.
+ *
+ * @notapi
+ */
+void hal_lld_init(void) {
+
+ /* Reset of all peripherals.*/
+ rccResetAPB1(0xFFFFFFFF);
+ rccResetAPB2(0xFFFFFFFF);
+
+ /* PWR clock enabled.*/
+ rccEnablePWRInterface(FALSE);
+
+ /* Initializes the backup domain.*/
+ hal_lld_backup_domain_init();
+
+#if defined(STM32_DMA_REQUIRED)
+ dmaInit();
+#endif
+
+ /* Programmable voltage detector enable.*/
+#if STM32_PVD_ENABLE
+ PWR->CR |= PWR_CR_PVDE | (STM32_PLS & STM32_PLS_MASK);
+#endif /* STM32_PVD_ENABLE */
+
+ /* SYSCFG clock enabled here because it is a multi-functional unit shared
+ among multiple drivers.*/
+ rccEnableAPB2(RCC_APB2ENR_SYSCFGEN, TRUE);
+
+ /* USB IRQ relocated to not conflict with CAN.*/
+ SYSCFG->CFGR1 |= SYSCFG_CFGR1_USB_IT_RMP;
+}
+
+/**
+ * @brief STM32 clocks and PLL initialization.
+ * @note All the involved constants come from the file @p board.h.
+ * @note This function should be invoked just after the system reset.
+ *
+ * @special
+ */
+void stm32_clock_init(void) {
+
+#if !STM32_NO_INIT
+ /* HSI setup, it enforces the reset situation in order to handle possible
+ problems with JTAG probes and re-initializations.*/
+ RCC->CR |= RCC_CR_HSION; /* Make sure HSI is ON. */
+ while (!(RCC->CR & RCC_CR_HSIRDY))
+ ; /* Wait until HSI is stable. */
+ RCC->CR &= RCC_CR_HSITRIM | RCC_CR_HSION; /* CR Reset value. */
+ RCC->CFGR = 0; /* CFGR reset value. */
+ while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI)
+ ; /* Waits until HSI is selected. */
+
+#if STM32_HSE_ENABLED
+ /* HSE activation.*/
+#if defined(STM32_HSE_BYPASS)
+ /* HSE Bypass.*/
+ RCC->CR |= RCC_CR_HSEON | RCC_CR_HSEBYP;
+#else
+ /* No HSE Bypass.*/
+ RCC->CR |= RCC_CR_HSEON;
+#endif
+ while (!(RCC->CR & RCC_CR_HSERDY))
+ ; /* Waits until HSE is stable. */
+#endif
+
+#if STM32_LSI_ENABLED
+ /* LSI activation.*/
+ RCC->CSR |= RCC_CSR_LSION;
+ while ((RCC->CSR & RCC_CSR_LSIRDY) == 0)
+ ; /* Waits until LSI is stable. */
+#endif
+
+ /* Clock settings.*/
+ RCC->CFGR = STM32_MCOSEL | STM32_USBPRE | STM32_PLLMUL |
+ STM32_PLLSRC | STM32_PPRE1 | STM32_PPRE2 |
+ STM32_HPRE;
+ RCC->CFGR2 = STM32_ADC34PRES | STM32_ADC12PRES | STM32_PREDIV;
+ RCC->CFGR3 = STM32_UART5SW | STM32_UART4SW | STM32_USART3SW |
+ STM32_USART2SW | STM32_TIM8SW | STM32_TIM1SW |
+ STM32_I2C2SW | STM32_I2C1SW | STM32_USART1SW;
+
+#if STM32_ACTIVATE_PLL
+ /* PLL activation.*/
+ RCC->CR |= RCC_CR_PLLON;
+ while (!(RCC->CR & RCC_CR_PLLRDY))
+ ; /* Waits until PLL is stable. */
+#endif
+
+ /* Flash setup and final clock selection. */
+ FLASH->ACR = STM32_FLASHBITS;
+
+ /* Switching to the configured clock source if it is different from HSI.*/
+#if (STM32_SW != STM32_SW_HSI)
+ /* Switches clock source.*/
+ RCC->CFGR |= STM32_SW;
+ while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
+ ; /* Waits selection complete. */
+#endif
+#endif /* !STM32_NO_INIT */
+}
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F30x/hal_lld.h b/os/hal/ports/STM32/STM32F30x/hal_lld.h new file mode 100644 index 000000000..81f7bf288 --- /dev/null +++ b/os/hal/ports/STM32/STM32F30x/hal_lld.h @@ -0,0 +1,1099 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F30x/hal_lld.h
+ * @brief STM32F30x HAL subsystem low level driver header.
+ * @pre This module requires the following macros to be defined in the
+ * @p board.h file:
+ * - STM32_LSECLK.
+ * - STM32_LSEDRV.
+ * - STM32_LSE_BYPASS (optionally).
+ * - STM32_HSECLK.
+ * - STM32_HSE_BYPASS (optionally).
+ * .
+ * One of the following macros must also be defined:
+ * - STM32F30X for Analog & DSP devices.
+ * .
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _HAL_LLD_H_
+#define _HAL_LLD_H_
+
+#include "stm32_registry.h"
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Platform identification
+ * @{
+ */
+#define PLATFORM_NAME "STM32F30x Analog & DSP"
+/** @} */
+
+/**
+ * @name Absolute Maximum Ratings
+ * @{
+ */
+/**
+ * @brief Maximum system clock frequency.
+ */
+#define STM32_SYSCLK_MAX 72000000
+
+/**
+ * @brief Maximum HSE clock frequency.
+ */
+#define STM32_HSECLK_MAX 32000000
+
+/**
+ * @brief Minimum HSE clock frequency.
+ */
+#define STM32_HSECLK_MIN 1000000
+
+/**
+ * @brief Maximum LSE clock frequency.
+ */
+#define STM32_LSECLK_MAX 1000000
+
+/**
+ * @brief Minimum LSE clock frequency.
+ */
+#define STM32_LSECLK_MIN 32768
+
+/**
+ * @brief Maximum PLLs input clock frequency.
+ */
+#define STM32_PLLIN_MAX 24000000
+
+/**
+ * @brief Minimum PLLs input clock frequency.
+ */
+#define STM32_PLLIN_MIN 1000000
+
+/**
+ * @brief Maximum PLL output clock frequency.
+ */
+#define STM32_PLLOUT_MAX 72000000
+
+/**
+ * @brief Maximum PLL output clock frequency.
+ */
+#define STM32_PLLOUT_MIN 16000000
+
+/**
+ * @brief Maximum APB1 clock frequency.
+ */
+#define STM32_PCLK1_MAX 36000000
+
+/**
+ * @brief Maximum APB2 clock frequency.
+ */
+#define STM32_PCLK2_MAX 72000000
+
+/**
+ * @brief Maximum ADC clock frequency.
+ */
+#define STM32_ADCCLK_MAX 72000000
+/** @} */
+
+/**
+ * @name Internal clock sources
+ * @{
+ */
+#define STM32_HSICLK 8000000 /**< High speed internal clock. */
+#define STM32_LSICLK 40000 /**< Low speed internal clock. */
+/** @} */
+
+/**
+ * @name PWR_CR register bits definitions
+ * @{
+ */
+#define STM32_PLS_MASK (7 << 5) /**< PLS bits mask. */
+#define STM32_PLS_LEV0 (0 << 5) /**< PVD level 0. */
+#define STM32_PLS_LEV1 (1 << 5) /**< PVD level 1. */
+#define STM32_PLS_LEV2 (2 << 5) /**< PVD level 2. */
+#define STM32_PLS_LEV3 (3 << 5) /**< PVD level 3. */
+#define STM32_PLS_LEV4 (4 << 5) /**< PVD level 4. */
+#define STM32_PLS_LEV5 (5 << 5) /**< PVD level 5. */
+#define STM32_PLS_LEV6 (6 << 5) /**< PVD level 6. */
+#define STM32_PLS_LEV7 (7 << 5) /**< PVD level 7. */
+/** @} */
+
+/**
+ * @name RCC_CFGR register bits definitions
+ * @{
+ */
+#define STM32_SW_HSI (0 << 0) /**< SYSCLK source is HSI. */
+#define STM32_SW_HSE (1 << 0) /**< SYSCLK source is HSE. */
+#define STM32_SW_PLL (2 << 0) /**< SYSCLK source is PLL. */
+
+#define STM32_HPRE_DIV1 (0 << 4) /**< SYSCLK divided by 1. */
+#define STM32_HPRE_DIV2 (8 << 4) /**< SYSCLK divided by 2. */
+#define STM32_HPRE_DIV4 (9 << 4) /**< SYSCLK divided by 4. */
+#define STM32_HPRE_DIV8 (10 << 4) /**< SYSCLK divided by 8. */
+#define STM32_HPRE_DIV16 (11 << 4) /**< SYSCLK divided by 16. */
+#define STM32_HPRE_DIV64 (12 << 4) /**< SYSCLK divided by 64. */
+#define STM32_HPRE_DIV128 (13 << 4) /**< SYSCLK divided by 128. */
+#define STM32_HPRE_DIV256 (14 << 4) /**< SYSCLK divided by 256. */
+#define STM32_HPRE_DIV512 (15 << 4) /**< SYSCLK divided by 512. */
+
+#define STM32_PPRE1_DIV1 (0 << 8) /**< HCLK divided by 1. */
+#define STM32_PPRE1_DIV2 (4 << 8) /**< HCLK divided by 2. */
+#define STM32_PPRE1_DIV4 (5 << 8) /**< HCLK divided by 4. */
+#define STM32_PPRE1_DIV8 (6 << 8) /**< HCLK divided by 8. */
+#define STM32_PPRE1_DIV16 (7 << 8) /**< HCLK divided by 16. */
+
+#define STM32_PPRE2_DIV1 (0 << 11) /**< HCLK divided by 1. */
+#define STM32_PPRE2_DIV2 (4 << 11) /**< HCLK divided by 2. */
+#define STM32_PPRE2_DIV4 (5 << 11) /**< HCLK divided by 4. */
+#define STM32_PPRE2_DIV8 (6 << 11) /**< HCLK divided by 8. */
+#define STM32_PPRE2_DIV16 (7 << 11) /**< HCLK divided by 16. */
+
+#define STM32_PLLSRC_HSI (0 << 16) /**< PLL clock source is HSI/2. */
+#define STM32_PLLSRC_HSE (1 << 16) /**< PLL clock source is
+ HSE/PREDIV. */
+
+#define STM32_USBPRE_DIV1P5 (0 << 22) /**< USB clock is PLLCLK/1.5. */
+#define STM32_USBPRE_DIV1 (1 << 22) /**< USB clock is PLLCLK/1. */
+
+#define STM32_MCOSEL_NOCLOCK (0 << 24) /**< No clock on MCO pin. */
+#define STM32_MCOSEL_LSI (2 << 24) /**< LSI clock on MCO pin. */
+#define STM32_MCOSEL_LSE (3 << 24) /**< LSE clock on MCO pin. */
+#define STM32_MCOSEL_SYSCLK (4 << 24) /**< SYSCLK on MCO pin. */
+#define STM32_MCOSEL_HSI (5 << 24) /**< HSI clock on MCO pin. */
+#define STM32_MCOSEL_HSE (6 << 24) /**< HSE clock on MCO pin. */
+#define STM32_MCOSEL_PLLDIV2 (7 << 24) /**< PLL/2 clock on MCO pin. */
+/** @} */
+
+/**
+ * @name RCC_BDCR register bits definitions
+ * @{
+ */
+#define STM32_RTCSEL_MASK (3 << 8) /**< RTC clock source mask. */
+#define STM32_RTCSEL_NOCLOCK (0 << 8) /**< No clock. */
+#define STM32_RTCSEL_LSE (1 << 8) /**< LSE used as RTC clock. */
+#define STM32_RTCSEL_LSI (2 << 8) /**< LSI used as RTC clock. */
+#define STM32_RTCSEL_HSEDIV (3 << 8) /**< HSE divided by 32 used as
+ RTC clock. */
+/** @} */
+
+/**
+ * @name RCC_CFGR2 register bits definitions
+ * @{
+ */
+#define STM32_PREDIV_MASK (15 << 0) /**< PREDIV divisor mask. */
+#define STM32_ADC12PRES_MASK (31 << 4) /**< ADC12 clock source mask. */
+#define STM32_ADC12PRES_NOCLOCK (0 << 4) /**< ADC12 clock is disabled. */
+#define STM32_ADC12PRES_DIV1 (16 << 4) /**< ADC12 clock is PLL/1. */
+#define STM32_ADC12PRES_DIV2 (17 << 4) /**< ADC12 clock is PLL/2. */
+#define STM32_ADC12PRES_DIV4 (18 << 4) /**< ADC12 clock is PLL/4. */
+#define STM32_ADC12PRES_DIV6 (19 << 4) /**< ADC12 clock is PLL/6. */
+#define STM32_ADC12PRES_DIV8 (20 << 4) /**< ADC12 clock is PLL/8. */
+#define STM32_ADC12PRES_DIV10 (21 << 4) /**< ADC12 clock is PLL/10. */
+#define STM32_ADC12PRES_DIV12 (22 << 4) /**< ADC12 clock is PLL/12. */
+#define STM32_ADC12PRES_DIV16 (23 << 4) /**< ADC12 clock is PLL/16. */
+#define STM32_ADC12PRES_DIV32 (24 << 4) /**< ADC12 clock is PLL/32. */
+#define STM32_ADC12PRES_DIV64 (25 << 4) /**< ADC12 clock is PLL/64. */
+#define STM32_ADC12PRES_DIV128 (26 << 4) /**< ADC12 clock is PLL/128. */
+#define STM32_ADC12PRES_DIV256 (27 << 4) /**< ADC12 clock is PLL/256. */
+#define STM32_ADC34PRES_MASK (31 << 4) /**< ADC34 clock source mask. */
+#define STM32_ADC34PRES_NOCLOCK (0 << 4) /**< ADC34 clock is disabled. */
+#define STM32_ADC34PRES_DIV1 (16 << 4) /**< ADC34 clock is PLL/1. */
+#define STM32_ADC34PRES_DIV2 (17 << 4) /**< ADC34 clock is PLL/2. */
+#define STM32_ADC34PRES_DIV4 (18 << 4) /**< ADC34 clock is PLL/4. */
+#define STM32_ADC34PRES_DIV6 (19 << 4) /**< ADC34 clock is PLL/6. */
+#define STM32_ADC34PRES_DIV8 (20 << 4) /**< ADC34 clock is PLL/8. */
+#define STM32_ADC34PRES_DIV10 (21 << 4) /**< ADC34 clock is PLL/10. */
+#define STM32_ADC34PRES_DIV12 (22 << 4) /**< ADC34 clock is PLL/12. */
+#define STM32_ADC34PRES_DIV16 (23 << 4) /**< ADC34 clock is PLL/16. */
+#define STM32_ADC34PRES_DIV32 (24 << 4) /**< ADC34 clock is PLL/32. */
+#define STM32_ADC34PRES_DIV64 (25 << 4) /**< ADC34 clock is PLL/64. */
+#define STM32_ADC34PRES_DIV128 (26 << 4) /**< ADC34 clock is PLL/128. */
+#define STM32_ADC34PRES_DIV256 (27 << 4) /**< ADC34 clock is PLL/256. */
+/** @} */
+
+/**
+ * @name RCC_CFGR3 register bits definitions
+ * @{
+ */
+#define STM32_USART1SW_MASK (3 << 0) /**< USART1 clock source mask. */
+#define STM32_USART1SW_PCLK (0 << 0) /**< USART1 clock is PCLK. */
+#define STM32_USART1SW_SYSCLK (1 << 0) /**< USART1 clock is SYSCLK. */
+#define STM32_USART1SW_LSE (2 << 0) /**< USART1 clock is LSE. */
+#define STM32_USART1SW_HSI (3 << 0) /**< USART1 clock is HSI. */
+#define STM32_I2C1SW_MASK (1 << 4) /**< I2C1 clock source mask. */
+#define STM32_I2C1SW_HSI (0 << 4) /**< I2C1 clock is HSI. */
+#define STM32_I2C1SW_SYSCLK (1 << 4) /**< I2C1 clock is SYSCLK. */
+#define STM32_I2C2SW_MASK (1 << 5) /**< I2C2 clock source mask. */
+#define STM32_I2C2SW_HSI (0 << 5) /**< I2C2 clock is HSI. */
+#define STM32_I2C2SW_SYSCLK (1 << 5) /**< I2C2 clock is SYSCLK. */
+#define STM32_TIM1SW_MASK (1 << 8) /**< TIM1 clock source mask. */
+#define STM32_TIM1SW_PCLK2 (0 << 8) /**< TIM1 clock is PCLK2. */
+#define STM32_TIM1SW_PLLX2 (1 << 10) /**< TIM1 clock is PLL*2. */
+#define STM32_TIM8SW_MASK (1 << 10) /**< TIM8 clock source mask. */
+#define STM32_TIM8SW_PCLK2 (0 << 10) /**< TIM8 clock is PCLK2. */
+#define STM32_TIM8SW_PLLX2 (1 << 10) /**< TIM8 clock is PLL*2. */
+#define STM32_USART2SW_MASK (3 << 16) /**< USART2 clock source mask. */
+#define STM32_USART2SW_PCLK (0 << 16) /**< USART2 clock is PCLK. */
+#define STM32_USART2SW_SYSCLK (1 << 16) /**< USART2 clock is SYSCLK. */
+#define STM32_USART2SW_LSE (2 << 16) /**< USART2 clock is LSE. */
+#define STM32_USART2SW_HSI (3 << 16) /**< USART2 clock is HSI. */
+#define STM32_USART3SW_MASK (3 << 18) /**< USART3 clock source mask. */
+#define STM32_USART3SW_PCLK (0 << 18) /**< USART3 clock is PCLK. */
+#define STM32_USART3SW_SYSCLK (1 << 18) /**< USART3 clock is SYSCLK. */
+#define STM32_USART3SW_LSE (2 << 18) /**< USART3 clock is LSE. */
+#define STM32_USART3SW_HSI (3 << 18) /**< USART3 clock is HSI. */
+#define STM32_UART4SW_MASK (3 << 20) /**< USART4 clock source mask. */
+#define STM32_UART4SW_PCLK (0 << 20) /**< USART4 clock is PCLK. */
+#define STM32_UART4SW_SYSCLK (1 << 20) /**< USART4 clock is SYSCLK. */
+#define STM32_UART4SW_LSE (2 << 20) /**< USART4 clock is LSE. */
+#define STM32_UART4SW_HSI (3 << 20) /**< USART4 clock is HSI. */
+#define STM32_UART5SW_MASK (3 << 22) /**< USART5 clock source mask. */
+#define STM32_UART5SW_PCLK (0 << 22) /**< USART5 clock is PCLK. */
+#define STM32_UART5SW_SYSCLK (1 << 22) /**< USART5 clock is SYSCLK. */
+#define STM32_UART5SW_LSE (2 << 22) /**< USART5 clock is LSE. */
+#define STM32_UART5SW_HSI (3 << 22) /**< USART5 clock is HSI. */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief Disables the PWR/RCC initialization in the HAL.
+ */
+#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__)
+#define STM32_NO_INIT FALSE
+#endif
+
+/**
+ * @brief Enables or disables the programmable voltage detector.
+ */
+#if !defined(STM32_PVD_ENABLE) || defined(__DOXYGEN__)
+#define STM32_PVD_ENABLE FALSE
+#endif
+
+/**
+ * @brief Sets voltage level for programmable voltage detector.
+ */
+#if !defined(STM32_PLS) || defined(__DOXYGEN__)
+#define STM32_PLS STM32_PLS_LEV0
+#endif
+
+/**
+ * @brief Enables or disables the HSI clock source.
+ */
+#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__)
+#define STM32_HSI_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the LSI clock source.
+ */
+#if !defined(STM32_LSI_ENABLED) || defined(__DOXYGEN__)
+#define STM32_LSI_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the HSE clock source.
+ */
+#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__)
+#define STM32_HSE_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the LSE clock source.
+ */
+#if !defined(STM32_LSE_ENABLED) || defined(__DOXYGEN__)
+#define STM32_LSE_ENABLED FALSE
+#endif
+
+/**
+ * @brief Main clock source selection.
+ * @note If the selected clock source is not the PLL then the PLL is not
+ * initialized and started.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_SW) || defined(__DOXYGEN__)
+#define STM32_SW STM32_SW_PLL
+#endif
+
+/**
+ * @brief Clock source for the PLL.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__)
+#define STM32_PLLSRC STM32_PLLSRC_HSE
+#endif
+
+/**
+ * @brief Crystal PLL pre-divider.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PREDIV_VALUE) || defined(__DOXYGEN__)
+#define STM32_PREDIV_VALUE 1
+#endif
+
+/**
+ * @brief PLL multiplier value.
+ * @note The allowed range is 2...16.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PLLMUL_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLMUL_VALUE 9
+#endif
+
+/**
+ * @brief AHB prescaler value.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_HPRE) || defined(__DOXYGEN__)
+#define STM32_HPRE STM32_HPRE_DIV1
+#endif
+
+/**
+ * @brief APB1 prescaler value.
+ */
+#if !defined(STM32_PPRE1) || defined(__DOXYGEN__)
+#define STM32_PPRE1 STM32_PPRE1_DIV2
+#endif
+
+/**
+ * @brief APB2 prescaler value.
+ */
+#if !defined(STM32_PPRE2) || defined(__DOXYGEN__)
+#define STM32_PPRE2 STM32_PPRE2_DIV2
+#endif
+
+/**
+ * @brief MCO pin setting.
+ */
+#if !defined(STM32_MCOSEL) || defined(__DOXYGEN__)
+#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK
+#endif
+
+/**
+ * @brief ADC12 prescaler value.
+ */
+#if !defined(STM32_ADC12PRES) || defined(__DOXYGEN__)
+#define STM32_ADC12PRES STM32_ADC12PRES_DIV1
+#endif
+
+/**
+ * @brief ADC34 prescaler value.
+ */
+#if !defined(STM32_ADC34PRES) || defined(__DOXYGEN__)
+#define STM32_ADC34PRES STM32_ADC34PRES_DIV1
+#endif
+
+/**
+ * @brief USART1 clock source.
+ */
+#if !defined(STM32_USART1SW) || defined(__DOXYGEN__)
+#define STM32_USART1SW STM32_USART1SW_PCLK
+#endif
+
+/**
+ * @brief USART2 clock source.
+ */
+#if !defined(STM32_USART2SW) || defined(__DOXYGEN__)
+#define STM32_USART2SW STM32_USART2SW_PCLK
+#endif
+
+/**
+ * @brief USART3 clock source.
+ */
+#if !defined(STM32_USART3SW) || defined(__DOXYGEN__)
+#define STM32_USART3SW STM32_USART3SW_PCLK
+#endif
+
+/**
+ * @brief UART4 clock source.
+ */
+#if !defined(STM32_UART4SW) || defined(__DOXYGEN__)
+#define STM32_UART4SW STM32_UART4SW_PCLK
+#endif
+
+/**
+ * @brief UART5 clock source.
+ */
+#if !defined(STM32_UART5SW) || defined(__DOXYGEN__)
+#define STM32_UART5SW STM32_UART5SW_PCLK
+#endif
+
+/**
+ * @brief I2C1 clock source.
+ */
+#if !defined(STM32_I2C1SW) || defined(__DOXYGEN__)
+#define STM32_I2C1SW STM32_I2C1SW_SYSCLK
+#endif
+
+/**
+ * @brief I2C2 clock source.
+ */
+#if !defined(STM32_I2C2SW) || defined(__DOXYGEN__)
+#define STM32_I2C2SW STM32_I2C2SW_SYSCLK
+#endif
+
+/**
+ * @brief TIM1 clock source.
+ */
+#if !defined(STM32_TIM1SW) || defined(__DOXYGEN__)
+#define STM32_TIM1SW STM32_TIM1SW_PCLK2
+#endif
+
+/**
+ * @brief TIM8 clock source.
+ */
+#if !defined(STM32_TIM8SW) || defined(__DOXYGEN__)
+#define STM32_TIM8SW STM32_TIM8SW_PCLK2
+#endif
+
+/**
+ * @brief RTC clock source.
+ */
+#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
+#define STM32_RTCSEL STM32_RTCSEL_LSI
+#endif
+
+/**
+ * @brief USB clock setting.
+ */
+#if !defined(STM32_USB_CLOCK_REQUIRED) || defined(__DOXYGEN__)
+#define STM32_USB_CLOCK_REQUIRED TRUE
+#endif
+
+/**
+ * @brief USB prescaler initialization.
+ */
+#if !defined(STM32_USBPRE) || defined(__DOXYGEN__)
+#define STM32_USBPRE STM32_USBPRE_DIV1P5
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*
+ * Configuration-related checks.
+ */
+#if !defined(STM32F30x_MCUCONF)
+#error "Using a wrong mcuconf.h file, STM32F30x_MCUCONF not defined"
+#endif
+
+/*
+ * HSI related checks.
+ */
+#if STM32_HSI_ENABLED
+#else /* !STM32_HSI_ENABLED */
+
+#if STM32_SW == STM32_SW_HSI
+#error "HSI not enabled, required by STM32_SW"
+#endif
+
+#if STM32_USART1SW == STM32_USART1SW_HSI
+#error "HSI not enabled, required by STM32_USART1SW"
+#endif
+
+#if STM32_USART2SW == STM32_USART2SW_HSI
+#error "HSI not enabled, required by STM32_USART2SW"
+#endif
+
+#if STM32_USART3SW == STM32_USART3SW_HSI
+#error "HSI not enabled, required by STM32_USART3SW"
+#endif
+
+#if STM32_UART4SW == STM32_UART4SW_HSI
+#error "HSI not enabled, required by STM32_UART4SW"
+#endif
+
+#if STM32_UART5SW == STM32_UART5SW_HSI
+#error "HSI not enabled, required by STM32_UART5SW"
+#endif
+
+#if STM32_I2C1SW == STM32_I2C1SW_HSI
+#error "HSI not enabled, required by STM32_I2C1SW"
+#endif
+
+#if STM32_I2C2SW == STM32_I2C2SW_HSI
+#error "HSI not enabled, required by STM32_I2C2SW"
+#endif
+
+#if STM32_TIM1SW == STM32_TIM1SW_HSI
+#error "HSI not enabled, required by STM32_TIM1SW"
+#endif
+
+#if STM32_TIM8SW == STM32_TIM8SW_HSI
+#error "HSI not enabled, required by STM32_TIM8SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI)
+#error "HSI not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCOSEL == STM32_MCOSEL_HSI) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSI))
+#error "HSI not enabled, required by STM32_MCOSEL"
+#endif
+
+#endif /* !STM32_HSI_ENABLED */
+
+/*
+ * HSE related checks.
+ */
+#if STM32_HSE_ENABLED
+
+#if STM32_HSECLK == 0
+#error "HSE frequency not defined"
+#elif (STM32_HSECLK < STM32_HSECLK_MIN) || (STM32_HSECLK > STM32_HSECLK_MAX)
+#error "STM32_HSECLK outside acceptable range (STM32_HSECLK_MIN...STM32_HSECLK_MAX)"
+#endif
+
+#else /* !STM32_HSE_ENABLED */
+
+#if STM32_SW == STM32_SW_HSE
+#error "HSE not enabled, required by STM32_SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSE)
+#error "HSE not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCOSEL == STM32_MCOSEL_HSE) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSE))
+#error "HSE not enabled, required by STM32_MCOSEL"
+#endif
+
+#if STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#error "HSE not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_HSE_ENABLED */
+
+/*
+ * LSI related checks.
+ */
+#if STM32_LSI_ENABLED
+#else /* !STM32_LSI_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSI
+#error "LSI not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSI_ENABLED */
+
+/*
+ * LSE related checks.
+ */
+#if STM32_LSE_ENABLED
+
+#if !defined(STM32_LSECLK) || (STM32_LSECLK == 0)
+#error "STM32_LSECLK not defined"
+#endif
+
+#if (STM32_LSECLK < STM32_LSECLK_MIN) || (STM32_LSECLK > STM32_LSECLK_MAX)
+#error "STM32_LSECLK outside acceptable range (STM32_LSECLK_MIN...STM32_LSECLK_MAX)"
+#endif
+
+#if !defined(STM32_LSEDRV)
+#error "STM32_LSEDRV not defined"
+#endif
+
+#if (STM32_LSEDRV >> 3) > 3
+#error "STM32_LSEDRV outside acceptable range ((0<<3)...(3<<3))"
+#endif
+
+#if STM32_USART1SW == STM32_USART1SW_LSE
+#error "LSE not enabled, required by STM32_USART1SW"
+#endif
+
+#if STM32_USART2SW == STM32_USART2SW_LSE
+#error "LSE not enabled, required by STM32_USART2SW"
+#endif
+
+#if STM32_USART3SW == STM32_USART3SW_LSE
+#error "LSE not enabled, required by STM32_USART3SW"
+#endif
+
+#if STM32_UART4SW == STM32_UART4SW_LSE
+#error "LSE not enabled, required by STM32_UART4SW"
+#endif
+
+#if STM32_UART5SW == STM32_UART5SW_LSE
+#error "LSE not enabled, required by STM32_UART5SW"
+#endif
+
+#else /* !STM32_LSE_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSE
+#error "LSE not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSE_ENABLED */
+
+/* PLL activation conditions.*/
+#if (STM32_SW == STM32_SW_PLL) || \
+ (STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) || \
+ (STM32_TIM1SW == STM32_TIM1SW_PLLX2) || \
+ (STM32_TIM8SW == STM32_TIM8SW_PLLX2) || \
+ (STM32_ADC12PRES != STM32_ADC12PRES_NOCLOCK) || \
+ (STM32_ADC34PRES != STM32_ADC34PRES_NOCLOCK) || \
+ STM32_USB_CLOCK_REQUIRED || \
+ defined(__DOXYGEN__)
+/**
+ * @brief PLL activation flag.
+ */
+#define STM32_ACTIVATE_PLL TRUE
+#else
+#define STM32_ACTIVATE_PLL FALSE
+#endif
+
+/* HSE prescaler setting check.*/
+#if ((STM32_PREDIV_VALUE >= 1) || (STM32_PREDIV_VALUE <= 16))
+#define STM32_PREDIV ((STM32_PREDIV_VALUE - 1) << 0)
+#else
+#error "invalid STM32_PREDIV value specified"
+#endif
+
+/**
+ * @brief PLLMUL field.
+ */
+#if ((STM32_PLLMUL_VALUE >= 2) && (STM32_PLLMUL_VALUE <= 16)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLLMUL ((STM32_PLLMUL_VALUE - 2) << 18)
+#else
+#error "invalid STM32_PLLMUL_VALUE value specified"
+#endif
+
+/**
+ * @brief PLL input clock frequency.
+ */
+#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__)
+#define STM32_PLLCLKIN (STM32_HSECLK / STM32_PREDIV_VALUE)
+#elif STM32_PLLSRC == STM32_PLLSRC_HSI
+#define STM32_PLLCLKIN (STM32_HSICLK / 2)
+#else
+#error "invalid STM32_PLLSRC value specified"
+#endif
+
+/* PLL input frequency range check.*/
+#if (STM32_PLLCLKIN < STM32_PLLIN_MIN) || (STM32_PLLCLKIN > STM32_PLLIN_MAX)
+#error "STM32_PLLCLKIN outside acceptable range (STM32_PLLIN_MIN...STM32_PLLIN_MAX)"
+#endif
+
+/**
+ * @brief PLL output clock frequency.
+ */
+#define STM32_PLLCLKOUT (STM32_PLLCLKIN * STM32_PLLMUL_VALUE)
+
+/* PLL output frequency range check.*/
+#if (STM32_PLLCLKOUT < STM32_PLLOUT_MIN) || (STM32_PLLCLKOUT > STM32_PLLOUT_MAX)
+#error "STM32_PLLCLKOUT outside acceptable range (STM32_PLLOUT_MIN...STM32_PLLOUT_MAX)"
+#endif
+
+/**
+ * @brief System clock source.
+ */
+#if (STM32_SW == STM32_SW_PLL) || defined(__DOXYGEN__)
+#define STM32_SYSCLK STM32_PLLCLKOUT
+#elif (STM32_SW == STM32_SW_HSI)
+#define STM32_SYSCLK STM32_HSICLK
+#elif (STM32_SW == STM32_SW_HSE)
+#define STM32_SYSCLK STM32_HSECLK
+#else
+#error "invalid STM32_SW value specified"
+#endif
+
+/* Check on the system clock.*/
+#if STM32_SYSCLK > STM32_SYSCLK_MAX
+#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief AHB frequency.
+ */
+#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__)
+#define STM32_HCLK (STM32_SYSCLK / 1)
+#elif STM32_HPRE == STM32_HPRE_DIV2
+#define STM32_HCLK (STM32_SYSCLK / 2)
+#elif STM32_HPRE == STM32_HPRE_DIV4
+#define STM32_HCLK (STM32_SYSCLK / 4)
+#elif STM32_HPRE == STM32_HPRE_DIV8
+#define STM32_HCLK (STM32_SYSCLK / 8)
+#elif STM32_HPRE == STM32_HPRE_DIV16
+#define STM32_HCLK (STM32_SYSCLK / 16)
+#elif STM32_HPRE == STM32_HPRE_DIV64
+#define STM32_HCLK (STM32_SYSCLK / 64)
+#elif STM32_HPRE == STM32_HPRE_DIV128
+#define STM32_HCLK (STM32_SYSCLK / 128)
+#elif STM32_HPRE == STM32_HPRE_DIV256
+#define STM32_HCLK (STM32_SYSCLK / 256)
+#elif STM32_HPRE == STM32_HPRE_DIV512
+#define STM32_HCLK (STM32_SYSCLK / 512)
+#else
+#error "invalid STM32_HPRE value specified"
+#endif
+
+/* AHB frequency check.*/
+#if STM32_HCLK > STM32_SYSCLK_MAX
+#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief APB1 frequency.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK1 (STM32_HCLK / 1)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV2
+#define STM32_PCLK1 (STM32_HCLK / 2)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV4
+#define STM32_PCLK1 (STM32_HCLK / 4)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV8
+#define STM32_PCLK1 (STM32_HCLK / 8)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV16
+#define STM32_PCLK1 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE1 value specified"
+#endif
+
+/* APB1 frequency check.*/
+#if STM32_PCLK1 > STM32_PCLK1_MAX
+#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)"
+#endif
+
+/**
+ * @brief APB2 frequency.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK2 (STM32_HCLK / 1)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV2
+#define STM32_PCLK2 (STM32_HCLK / 2)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV4
+#define STM32_PCLK2 (STM32_HCLK / 4)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV8
+#define STM32_PCLK2 (STM32_HCLK / 8)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV16
+#define STM32_PCLK2 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE2 value specified"
+#endif
+
+/* APB2 frequency check.*/
+#if STM32_PCLK2 > STM32_PCLK2_MAX
+#error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)"
+#endif
+
+/**
+ * @brief RTC clock.
+ */
+#if (STM32_RTCSEL == STM32_RTCSEL_LSE) || defined(__DOXYGEN__)
+#define STM32_RTCCLK STM32_LSECLK
+#elif STM32_RTCSEL == STM32_RTCSEL_LSI
+#define STM32_RTCCLK STM32_LSICLK
+#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#define STM32_RTCCLK (STM32_HSECLK / 32)
+#elif STM32_RTCSEL == STM32_RTCSEL_NOCLOCK
+#define STM32_RTCCLK 0
+#else
+#error "invalid source selected for RTC clock"
+#endif
+
+/**
+ * @brief ADC12 frequency.
+ */
+#if (STM32_ADC12PRES == STM32_ADC12PRES_NOCLOCK) || defined(__DOXYGEN__)
+#define STM32_ADC12CLK 0
+#elif STM32_ADC12PRES == STM32_ADC12PRES_DIV1
+#define STM32_ADC12CLK (STM32_PLLCLKOUT / 1)
+#elif STM32_ADC12PRES == STM32_ADC12PRES_DIV2
+#define STM32_ADC12CLK (STM32_PLLCLKOUT / 2)
+#elif STM32_ADC12PRES == STM32_ADC12PRES_DIV4
+#define STM32_ADC12CLK (STM32_PLLCLKOUT / 4)
+#elif STM32_ADC12PRES == STM32_ADC12PRES_DIV6
+#define STM32_ADC12CLK (STM32_PLLCLKOUT / 6)
+#elif STM32_ADC12PRES == STM32_ADC12PRES_DIV8
+#define STM32_ADC12CLK (STM32_PLLCLKOUT / 8)
+#elif STM32_ADC12PRES == STM32_ADC12PRES_DIV10
+#define STM32_ADC12CLK (STM32_PLLCLKOUT / 10)
+#elif STM32_ADC12PRES == STM32_ADC12PRES_DIV12
+#define STM32_ADC12CLK (STM32_PLLCLKOUT / 12)
+#elif STM32_ADC12PRES == STM32_ADC12PRES_DIV16
+#define STM32_ADC12CLK (STM32_PLLCLKOUT / 16)
+#elif STM32_ADC12PRES == STM32_ADC12PRES_DIV32
+#define STM32_ADC12CLK (STM32_PLLCLKOUT / 32)
+#elif STM32_ADC12PRES == STM32_ADC12PRES_DIV64
+#define STM32_ADC12CLK (STM32_PLLCLKOUT / 64)
+#elif STM32_ADC12PRES == STM32_ADC12PRES_DIV128
+#define STM32_ADC12CLK (STM32_PLLCLKOUT / 128)
+#elif STM32_ADC12PRES == STM32_ADC12PRES_DIV256
+#define STM32_ADC12CLK (STM32_PLLCLKOUT / 256)
+#else
+#error "invalid STM32_ADC12PRES value specified"
+#endif
+
+/**
+ * @brief ADC34 frequency.
+ */
+#if (STM32_ADC43PRES == STM32_ADC34PRES_NOCLOCK) || defined(__DOXYGEN__)
+#define STM32_ADC34CLK 0
+#elif STM32_ADC34PRES == STM32_ADC34PRES_DIV1
+#define STM32_ADC34CLK (STM32_PLLCLKOUT / 1)
+#elif STM32_ADC34PRES == STM32_ADC34PRES_DIV2
+#define STM32_ADC34CLK (STM32_PLLCLKOUT / 2)
+#elif STM32_ADC34PRES == STM32_ADC34PRES_DIV4
+#define STM32_ADC34CLK (STM32_PLLCLKOUT / 4)
+#elif STM32_ADC34PRES == STM32_ADC34PRES_DIV6
+#define STM32_ADC34CLK (STM32_PLLCLKOUT / 6)
+#elif STM32_ADC34PRES == STM32_ADC34PRES_DIV8
+#define STM32_ADC34CLK (STM32_PLLCLKOUT / 8)
+#elif STM32_ADC34PRES == STM32_ADC34PRES_DIV10
+#define STM32_ADC34CLK (STM32_PLLCLKOUT / 10)
+#elif STM32_ADC34PRES == STM32_ADC34PRES_DIV12
+#define STM32_ADC34CLK (STM32_PLLCLKOUT / 12)
+#elif STM32_ADC34PRES == STM32_ADC34PRES_DIV16
+#define STM32_ADC34CLK (STM32_PLLCLKOUT / 16)
+#elif STM32_ADC34PRES == STM32_ADC34PRES_DIV32
+#define STM32_ADC34CLK (STM32_PLLCLKOUT / 32)
+#elif STM32_ADC34PRES == STM32_ADC34PRES_DIV64
+#define STM32_ADC34CLK (STM32_PLLCLKOUT / 64)
+#elif STM32_ADC34PRES == STM32_ADC34PRES_DIV128
+#define STM32_ADC34CLK (STM32_PLLCLKOUT / 128)
+#elif STM32_ADC34PRES == STM32_ADC34PRES_DIV256
+#define STM32_ADC34CLK (STM32_PLLCLKOUT / 256)
+#else
+#error "invalid STM32_ADC34PRES value specified"
+#endif
+
+/* ADC12 frequency check.*/
+#if STM32_ADC12CLK > STM32_ADCCLK_MAX
+#error "STM32_ADC12CLK exceeding maximum frequency (STM32_ADCCLK_MAX)"
+#endif
+
+/* ADC34 frequency check.*/
+#if STM32_ADC34CLK > STM32_ADCCLK_MAX
+#error "STM32_ADC34CLK exceeding maximum frequency (STM32_ADCCLK_MAX)"
+#endif
+
+/**
+ * @brief I2C1 frequency.
+ */
+#if STM32_I2C1SW == STM32_I2C1SW_HSI
+#define STM32_I2C1CLK STM32_HSICLK
+#elif STM32_I2C1SW == STM32_I2C1SW_SYSCLK
+#define STM32_I2C1CLK STM32_SYSCLK
+#else
+#error "invalid source selected for I2C1 clock"
+#endif
+
+/**
+ * @brief I2C2 frequency.
+ */
+#if STM32_I2C2SW == STM32_I2C2SW_HSI
+#define STM32_I2C2CLK STM32_HSICLK
+#elif STM32_I2C2SW == STM32_I2C2SW_SYSCLK
+#define STM32_I2C2CLK STM32_SYSCLK
+#else
+#error "invalid source selected for I2C2 clock"
+#endif
+
+/**
+ * @brief USART1 frequency.
+ */
+#if STM32_USART1SW == STM32_USART1SW_PCLK
+#define STM32_USART1CLK STM32_PCLK2
+#elif STM32_USART1SW == STM32_USART1SW_SYSCLK
+#define STM32_USART1CLK STM32_SYSCLK
+#elif STM32_USART1SW == STM32_USART1SW_LSECLK
+#define STM32_USART1CLK STM32_LSECLK
+#elif STM32_USART1SW == STM32_USART1SW_HSICLK
+#define STM32_USART1CLK STM32_HSICLK
+#else
+#error "invalid source selected for USART1 clock"
+#endif
+
+/**
+ * @brief USART2 frequency.
+ */
+#if STM32_USART2SW == STM32_USART2SW_PCLK
+#define STM32_USART2CLK STM32_PCLK1
+#elif STM32_USART2SW == STM32_USART2SW_SYSCLK
+#define STM32_USART2CLK STM32_SYSCLK
+#elif STM32_USART2SW == STM32_USART2SW_LSECLK
+#define STM32_USART2CLK STM32_LSECLK
+#elif STM32_USART2SW == STM32_USART2SW_HSICLK
+#define STM32_USART2CLK STM32_HSICLK
+#else
+#error "invalid source selected for USART2 clock"
+#endif
+
+/**
+ * @brief USART3 frequency.
+ */
+#if STM32_USART3SW == STM32_USART3SW_PCLK
+#define STM32_USART3CLK STM32_PCLK1
+#elif STM32_USART3SW == STM32_USART3SW_SYSCLK
+#define STM32_USART3CLK STM32_SYSCLK
+#elif STM32_USART3SW == STM32_USART3SW_LSECLK
+#define STM32_USART3CLK STM32_LSECLK
+#elif STM32_USART3SW == STM32_USART3SW_HSICLK
+#define STM32_USART3CLK STM32_HSICLK
+#else
+#error "invalid source selected for USART3 clock"
+#endif
+
+/**
+ * @brief UART4 frequency.
+ */
+#if STM32_UART4SW == STM32_UART4SW_PCLK
+#define STM32_UART4CLK STM32_PCLK1
+#elif STM32_UART4SW == STM32_UART4SW_SYSCLK
+#define STM32_UART4CLK STM32_SYSCLK
+#elif STM32_UART4SW == STM32_UART4SW_LSECLK
+#define STM32_UART4CLK STM32_LSECLK
+#elif STM32_UART4SW == STM32_UART4SW_HSICLK
+#define STM32_UART4CLK STM32_HSICLK
+#else
+#error "invalid source selected for UART4 clock"
+#endif
+
+/**
+ * @brief UART5 frequency.
+ */
+#if STM32_UART5SW == STM32_UART5SW_PCLK
+#define STM32_UART5CLK STM32_PCLK1
+#elif STM32_UART5SW == STM32_UART5SW_SYSCLK
+#define STM32_UART5CLK STM32_SYSCLK
+#elif STM32_UART5SW == STM32_UART5SW_LSECLK
+#define STM32_UART5CLK STM32_LSECLK
+#elif STM32_UART5SW == STM32_UART5SW_HSICLK
+#define STM32_UART5CLK STM32_HSICLK
+#else
+#error "invalid source selected for UART5 clock"
+#endif
+
+/**
+ * @brief TIM1 frequency.
+ */
+#if STM32_TIM1SW == STM32_TIM1SW_PCLK2
+#define STM32_TIM1CLK STM32_PCLK2
+#elif STM32_TIM1SW == STM32_TIM1SW_PLLX2
+#define STM32_TIM1CLK (STM32_PLLCLKOUT * 2)
+#else
+#error "invalid source selected for TIM1 clock"
+#endif
+
+/**
+ * @brief TIM8 frequency.
+ */
+#if STM32_TIM8SW == STM32_TIM8SW_PCLK2
+#define STM32_TIM8CLK STM32_PCLK2
+#elif STM32_TIM8SW == STM32_TIM8SW_PLLX2
+#define STM32_TIM8CLK (STM32_PLLCLKOUT * 2)
+#else
+#error "invalid source selected for TIM8 clock"
+#endif
+
+/**
+ * @brief Timers 2, 3, 4, 6, 7 frequency.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK1 (STM32_PCLK1 * 1)
+#else
+#define STM32_TIMCLK1 (STM32_PCLK1 * 2)
+#endif
+
+/**
+ * @brief Timers 1, 8, 15, 16, 17 frequency.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK2 (STM32_PCLK2 * 1)
+#else
+#define STM32_TIMCLK2 (STM32_PCLK2 * 2)
+#endif
+
+/**
+ * @brief USB frequency.
+ */
+#if (STM32_USBPRE == STM32_USBPRE_DIV1P5) || defined(__DOXYGEN__)
+#define STM32_USBCLK ((STM32_PLLCLKOUT * 2) / 3)
+#elif (STM32_USBPRE == STM32_USBPRE_DIV1)
+#define STM32_USBCLK STM32_PLLCLKOUT
+#else
+#error "invalid STM32_USBPRE value specified"
+#endif
+
+/**
+ * @brief Flash settings.
+ */
+#if (STM32_HCLK <= 24000000) || defined(__DOXYGEN__)
+#define STM32_FLASHBITS 0x00000010
+#elif STM32_HCLK <= 48000000
+#define STM32_FLASHBITS 0x00000011
+#else
+#define STM32_FLASHBITS 0x00000012
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/* Various helpers.*/
+#include "nvic.h"
+#include "stm32_isr.h"
+#include "stm32_dma.h"
+#include "stm32_rcc.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void hal_lld_init(void);
+ void stm32_clock_init(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _HAL_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F30x/platform.mk b/os/hal/ports/STM32/STM32F30x/platform.mk new file mode 100644 index 000000000..fabc8032f --- /dev/null +++ b/os/hal/ports/STM32/STM32F30x/platform.mk @@ -0,0 +1,31 @@ +# List of all the STM32F30x platform files.
+PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
+ ${CHIBIOS}/os/hal/ports/STM32F30x/stm32_dma.c \
+ ${CHIBIOS}/os/hal/ports/STM32F30x/hal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32F30x/adc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32F30x/ext_lld_isr.c \
+ ${CHIBIOS}/os/hal/ports/STM32/can_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/ext_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv2/pal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv2/i2c_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/RTCv2/rtc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv2/spi_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/gpt_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/icu_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/pwm_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/st_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv2/serial_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv2/uart_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USBv1/usb_lld.c
+
+# Required include directories
+PLATFORMINC = ${CHIBIOS}/os/hal/ports/common/ARMCMx \
+ ${CHIBIOS}/os/hal/ports/STM32F30x \
+ ${CHIBIOS}/os/hal/ports/STM32 \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/RTCv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/USBv1
diff --git a/os/hal/ports/STM32/STM32F30x/stm32_dma.c b/os/hal/ports/STM32/STM32F30x/stm32_dma.c new file mode 100644 index 000000000..e18f2f4e1 --- /dev/null +++ b/os/hal/ports/STM32/STM32F30x/stm32_dma.c @@ -0,0 +1,449 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F30x/stm32_dma.c
+ * @brief DMA helper driver code.
+ *
+ * @addtogroup STM32F30x_DMA
+ * @details DMA sharing helper driver. In the STM32 the DMA streams are a
+ * shared resource, this driver allows to allocate and free DMA
+ * streams at runtime in order to allow all the other device
+ * drivers to coordinate the access to the resource.
+ * @note The DMA ISR handlers are all declared into this module because
+ * sharing, the various device drivers can associate a callback to
+ * ISRs when allocating streams.
+ * @{
+ */
+
+#include "hal.h"
+
+/* The following macro is only defined if some driver requiring DMA services
+ has been enabled.*/
+#if defined(STM32_DMA_REQUIRED) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/**
+ * @brief Mask of the DMA1 streams in @p dma_streams_mask.
+ */
+#define STM32_DMA1_STREAMS_MASK 0x0000007F
+
+/**
+ * @brief Mask of the DMA2 streams in @p dma_streams_mask.
+ */
+#define STM32_DMA2_STREAMS_MASK 0x00000F80
+
+/**
+ * @brief Post-reset value of the stream CCR register.
+ */
+#define STM32_DMA_CCR_RESET_VALUE 0x00000000
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA streams descriptors.
+ * @details This table keeps the association between an unique stream
+ * identifier and the involved physical registers.
+ * @note Don't use this array directly, use the appropriate wrapper macros
+ * instead: @p STM32_DMA1_STREAM1, @p STM32_DMA1_STREAM2 etc.
+ */
+const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS] = {
+ {DMA1_Channel1, &DMA1->IFCR, 0, 0, DMA1_Channel1_IRQn},
+ {DMA1_Channel2, &DMA1->IFCR, 4, 1, DMA1_Channel2_IRQn},
+ {DMA1_Channel3, &DMA1->IFCR, 8, 2, DMA1_Channel3_IRQn},
+ {DMA1_Channel4, &DMA1->IFCR, 12, 3, DMA1_Channel4_IRQn},
+ {DMA1_Channel5, &DMA1->IFCR, 16, 4, DMA1_Channel5_IRQn},
+ {DMA1_Channel6, &DMA1->IFCR, 20, 5, DMA1_Channel6_IRQn},
+ {DMA1_Channel7, &DMA1->IFCR, 24, 6, DMA1_Channel7_IRQn},
+ {DMA2_Channel1, &DMA2->IFCR, 0, 7, DMA2_Channel1_IRQn},
+ {DMA2_Channel2, &DMA2->IFCR, 4, 8, DMA2_Channel2_IRQn},
+ {DMA2_Channel3, &DMA2->IFCR, 8, 9, DMA2_Channel3_IRQn},
+ {DMA2_Channel4, &DMA2->IFCR, 12, 10, DMA2_Channel4_IRQn},
+ {DMA2_Channel5, &DMA2->IFCR, 16, 11, DMA2_Channel5_IRQn},
+};
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA ISR redirector type.
+ */
+typedef struct {
+ stm32_dmaisr_t dma_func; /**< @brief DMA callback function. */
+ void *dma_param; /**< @brief DMA callback parameter. */
+} dma_isr_redir_t;
+
+/**
+ * @brief Mask of the allocated streams.
+ */
+static uint32_t dma_streams_mask;
+
+/**
+ * @brief DMA IRQ redirectors.
+ */
+static dma_isr_redir_t dma_isr_redir[STM32_DMA_STREAMS];
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA1 stream 1 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector6C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 0) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 0;
+ if (dma_isr_redir[0].dma_func)
+ dma_isr_redir[0].dma_func(dma_isr_redir[0].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 2 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector70) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 4) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 4;
+ if (dma_isr_redir[1].dma_func)
+ dma_isr_redir[1].dma_func(dma_isr_redir[1].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 3 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector74) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 8) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 8;
+ if (dma_isr_redir[2].dma_func)
+ dma_isr_redir[2].dma_func(dma_isr_redir[2].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 4 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector78) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 12) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 12;
+ if (dma_isr_redir[3].dma_func)
+ dma_isr_redir[3].dma_func(dma_isr_redir[3].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 5 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector7C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 16) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 16;
+ if (dma_isr_redir[4].dma_func)
+ dma_isr_redir[4].dma_func(dma_isr_redir[4].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 6 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector80) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 20) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 20;
+ if (dma_isr_redir[5].dma_func)
+ dma_isr_redir[5].dma_func(dma_isr_redir[5].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 7 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector84) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 24) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 24;
+ if (dma_isr_redir[6].dma_func)
+ dma_isr_redir[6].dma_func(dma_isr_redir[6].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 1 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector120) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 0) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 0;
+ if (dma_isr_redir[7].dma_func)
+ dma_isr_redir[7].dma_func(dma_isr_redir[7].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 2 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector124) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 4) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 4;
+ if (dma_isr_redir[8].dma_func)
+ dma_isr_redir[8].dma_func(dma_isr_redir[8].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 3 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector128) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 8) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 8;
+ if (dma_isr_redir[9].dma_func)
+ dma_isr_redir[9].dma_func(dma_isr_redir[9].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 4 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector12C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 12) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 12;
+ if (dma_isr_redir[10].dma_func)
+ dma_isr_redir[10].dma_func(dma_isr_redir[10].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 5 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector130) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 16) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 16;
+ if (dma_isr_redir[11].dma_func)
+ dma_isr_redir[11].dma_func(dma_isr_redir[11].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief STM32 DMA helper initialization.
+ *
+ * @init
+ */
+void dmaInit(void) {
+ int i;
+
+ dma_streams_mask = 0;
+ for (i = 0; i < STM32_DMA_STREAMS; i++) {
+ _stm32_dma_streams[i].channel->CCR = 0;
+ dma_isr_redir[i].dma_func = NULL;
+ }
+ DMA1->IFCR = 0xFFFFFFFF;
+#if STM32_HAS_DMA2
+ DMA2->IFCR = 0xFFFFFFFF;
+#endif
+}
+
+/**
+ * @brief Allocates a DMA stream.
+ * @details The stream is allocated and, if required, the DMA clock enabled.
+ * The function also enables the IRQ vector associated to the stream
+ * and initializes its priority.
+ * @pre The stream must not be already in use or an error is returned.
+ * @post The stream is allocated and the default ISR handler redirected
+ * to the specified function.
+ * @post The stream ISR vector is enabled and its priority configured.
+ * @post The stream must be freed using @p dmaStreamRelease() before it can
+ * be reused with another peripheral.
+ * @post The stream is in its post-reset state.
+ * @note This function can be invoked in both ISR or thread context.
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] priority IRQ priority mask for the DMA stream
+ * @param[in] func handling function pointer, can be @p NULL
+ * @param[in] param a parameter to be passed to the handling function
+ * @return The operation status.
+ * @retval FALSE no error, stream taken.
+ * @retval TRUE error, stream already taken.
+ *
+ * @special
+ */
+bool dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
+ uint32_t priority,
+ stm32_dmaisr_t func,
+ void *param) {
+
+ osalDbgCheck(dmastp != NULL);
+
+ /* Checks if the stream is already taken.*/
+ if ((dma_streams_mask & (1 << dmastp->selfindex)) != 0)
+ return TRUE;
+
+ /* Marks the stream as allocated.*/
+ dma_isr_redir[dmastp->selfindex].dma_func = func;
+ dma_isr_redir[dmastp->selfindex].dma_param = param;
+ dma_streams_mask |= (1 << dmastp->selfindex);
+
+ /* Enabling DMA clocks required by the current streams set.*/
+ if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) != 0)
+ rccEnableDMA1(FALSE);
+#if STM32_HAS_DMA2
+ if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) != 0)
+ rccEnableDMA2(FALSE);
+#endif
+
+ /* Putting the stream in a safe state.*/
+ dmaStreamDisable(dmastp);
+ dmastp->channel->CCR = STM32_DMA_CCR_RESET_VALUE;
+
+ /* Enables the associated IRQ vector if a callback is defined.*/
+ if (func != NULL)
+ nvicEnableVector(dmastp->vector, priority);
+
+ return FALSE;
+}
+
+/**
+ * @brief Releases a DMA stream.
+ * @details The stream is freed and, if required, the DMA clock disabled.
+ * Trying to release a unallocated stream is an illegal operation
+ * and is trapped if assertions are enabled.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post The stream is again available.
+ * @note This function can be invoked in both ISR or thread context.
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+void dmaStreamRelease(const stm32_dma_stream_t *dmastp) {
+
+ osalDbgCheck(dmastp != NULL);
+
+ /* Check if the streams is not taken.*/
+ osalDbgAssert((dma_streams_mask & (1 << dmastp->selfindex)) != 0,
+ "not allocated");
+
+ /* Disables the associated IRQ vector.*/
+ nvicDisableVector(dmastp->vector);
+
+ /* Marks the stream as not allocated.*/
+ dma_streams_mask &= ~(1 << dmastp->selfindex);
+
+ /* Shutting down clocks that are no more required, if any.*/
+ if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) == 0)
+ rccDisableDMA1(FALSE);
+#if STM32_HAS_DMA2
+ if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) == 0)
+ rccDisableDMA2(FALSE);
+#endif
+}
+
+#endif /* STM32_DMA_REQUIRED */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F30x/stm32_dma.h b/os/hal/ports/STM32/STM32F30x/stm32_dma.h new file mode 100644 index 000000000..21c97a38b --- /dev/null +++ b/os/hal/ports/STM32/STM32F30x/stm32_dma.h @@ -0,0 +1,406 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F30x/stm32_dma.h
+ * @brief DMA helper driver header.
+ * @note This file requires definitions from the ST header file stm32f30x.h.
+ * @note This driver uses the new naming convention used for the STM32F2xx
+ * so the "DMA channels" are referred as "DMA streams".
+ *
+ * @addtogroup STM32F30x_DMA
+ * @{
+ */
+
+#ifndef _STM32_DMA_H_
+#define _STM32_DMA_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Total number of DMA streams.
+ * @note This is the total number of streams among all the DMA units.
+ */
+#if STM32_HAS_DMA2 || defined(__DOXYGEN__)
+#define STM32_DMA_STREAMS 12
+#else
+#define STM32_DMA_STREAMS 7
+#endif
+
+/**
+ * @brief Mask of the ISR bits passed to the DMA callback functions.
+ */
+#define STM32_DMA_ISR_MASK 0x0F
+
+/**
+ * @brief Returns the channel associated to the specified stream.
+ *
+ * @param[in] n the stream number (0...STM32_DMA_STREAMS-1)
+ * @param[in] c a stream/channel association word, one channel per
+ * nibble, not associated channels must be set to 0xF
+ * @return Always zero, in this platform there is no dynamic
+ * association between streams and channels.
+ */
+#define STM32_DMA_GETCHANNEL(n, c) 0
+
+/**
+ * @brief Checks if a DMA priority is within the valid range.
+ * @param[in] prio DMA priority
+ *
+ * @retval The check result.
+ * @retval FALSE invalid DMA priority.
+ * @retval TRUE correct DMA priority.
+ */
+#define STM32_DMA_IS_VALID_PRIORITY(prio) (((prio) >= 0) && ((prio) <= 3))
+
+/**
+ * @brief Returns an unique numeric identifier for a DMA stream.
+ *
+ * @param[in] dma the DMA unit number
+ * @param[in] stream the stream number
+ * @return An unique numeric stream identifier.
+ */
+#define STM32_DMA_STREAM_ID(dma, stream) ((((dma) - 1) * 7) + ((stream) - 1))
+
+/**
+ * @brief Returns a DMA stream identifier mask.
+ *
+ *
+ * @param[in] dma the DMA unit number
+ * @param[in] stream the stream number
+ * @return A DMA stream identifier mask.
+ */
+#define STM32_DMA_STREAM_ID_MSK(dma, stream) \
+ (1 << STM32_DMA_STREAM_ID(dma, stream))
+
+/**
+ * @brief Checks if a DMA stream unique identifier belongs to a mask.
+ * @param[in] id the stream numeric identifier
+ * @param[in] mask the stream numeric identifiers mask
+ *
+ * @retval The check result.
+ * @retval FALSE id does not belong to the mask.
+ * @retval TRUE id belongs to the mask.
+ */
+#define STM32_DMA_IS_VALID_ID(id, mask) (((1 << (id)) & (mask)))
+
+/**
+ * @name DMA streams identifiers
+ * @{
+ */
+/**
+ * @brief Returns a pointer to a stm32_dma_stream_t structure.
+ *
+ * @param[in] id the stream numeric identifier
+ * @return A pointer to the stm32_dma_stream_t constant structure
+ * associated to the DMA stream.
+ */
+#define STM32_DMA_STREAM(id) (&_stm32_dma_streams[id])
+
+#define STM32_DMA1_STREAM1 STM32_DMA_STREAM(0)
+#define STM32_DMA1_STREAM2 STM32_DMA_STREAM(1)
+#define STM32_DMA1_STREAM3 STM32_DMA_STREAM(2)
+#define STM32_DMA1_STREAM4 STM32_DMA_STREAM(3)
+#define STM32_DMA1_STREAM5 STM32_DMA_STREAM(4)
+#define STM32_DMA1_STREAM6 STM32_DMA_STREAM(5)
+#define STM32_DMA1_STREAM7 STM32_DMA_STREAM(6)
+#define STM32_DMA2_STREAM1 STM32_DMA_STREAM(7)
+#define STM32_DMA2_STREAM2 STM32_DMA_STREAM(8)
+#define STM32_DMA2_STREAM3 STM32_DMA_STREAM(9)
+#define STM32_DMA2_STREAM4 STM32_DMA_STREAM(10)
+#define STM32_DMA2_STREAM5 STM32_DMA_STREAM(11)
+/** @} */
+
+/**
+ * @name CR register constants common to all DMA types
+ * @{
+ */
+#define STM32_DMA_CR_EN DMA_CCR_EN
+#define STM32_DMA_CR_TEIE DMA_CCR_TEIE
+#define STM32_DMA_CR_HTIE DMA_CCR_HTIE
+#define STM32_DMA_CR_TCIE DMA_CCR_TCIE
+#define STM32_DMA_CR_DIR_MASK (DMA_CCR_DIR | DMA_CCR_MEM2MEM)
+#define STM32_DMA_CR_DIR_P2M 0
+#define STM32_DMA_CR_DIR_M2P DMA_CCR_DIR
+#define STM32_DMA_CR_DIR_M2M DMA_CCR_MEM2MEM
+#define STM32_DMA_CR_CIRC DMA_CCR_CIRC
+#define STM32_DMA_CR_PINC DMA_CCR_PINC
+#define STM32_DMA_CR_MINC DMA_CCR_MINC
+#define STM32_DMA_CR_PSIZE_MASK DMA_CCR_PSIZE
+#define STM32_DMA_CR_PSIZE_BYTE 0
+#define STM32_DMA_CR_PSIZE_HWORD DMA_CCR_PSIZE_0
+#define STM32_DMA_CR_PSIZE_WORD DMA_CCR_PSIZE_1
+#define STM32_DMA_CR_MSIZE_MASK DMA_CCR_MSIZE
+#define STM32_DMA_CR_MSIZE_BYTE 0
+#define STM32_DMA_CR_MSIZE_HWORD DMA_CCR_MSIZE_0
+#define STM32_DMA_CR_MSIZE_WORD DMA_CCR_MSIZE_1
+#define STM32_DMA_CR_SIZE_MASK (STM32_DMA_CR_PSIZE_MASK | \
+ STM32_DMA_CR_MSIZE_MASK)
+#define STM32_DMA_CR_PL_MASK DMA_CCR_PL
+#define STM32_DMA_CR_PL(n) ((n) << 12)
+/** @} */
+
+/**
+ * @name CR register constants only found in enhanced DMA
+ * @{
+ */
+#define STM32_DMA_CR_DMEIE 0 /**< @brief Ignored by normal DMA. */
+#define STM32_DMA_CR_CHSEL_MASK 0 /**< @brief Ignored by normal DMA. */
+#define STM32_DMA_CR_CHSEL(n) 0 /**< @brief Ignored by normal DMA. */
+/** @} */
+
+/**
+ * @name Status flags passed to the ISR callbacks
+ * @{
+ */
+#define STM32_DMA_ISR_FEIF 0
+#define STM32_DMA_ISR_DMEIF 0
+#define STM32_DMA_ISR_TEIF DMA_ISR_TEIF1
+#define STM32_DMA_ISR_HTIF DMA_ISR_HTIF1
+#define STM32_DMA_ISR_TCIF DMA_ISR_TCIF1
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief STM32 DMA stream descriptor structure.
+ */
+typedef struct {
+ DMA_Channel_TypeDef *channel; /**< @brief Associated DMA channel. */
+ volatile uint32_t *ifcr; /**< @brief Associated IFCR reg. */
+ uint8_t ishift; /**< @brief Bits offset in xIFCR
+ register. */
+ uint8_t selfindex; /**< @brief Index to self in array. */
+ uint8_t vector; /**< @brief Associated IRQ vector. */
+} stm32_dma_stream_t;
+
+/**
+ * @brief STM32 DMA ISR function type.
+ *
+ * @param[in] p parameter for the registered function
+ * @param[in] flags pre-shifted content of the ISR register, the bits
+ * are aligned to bit zero
+ */
+typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags);
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Macro Functions
+ * @{
+ */
+/**
+ * @brief Associates a peripheral data register to a DMA stream.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] addr value to be written in the CPAR register
+ *
+ * @special
+ */
+#define dmaStreamSetPeripheral(dmastp, addr) { \
+ (dmastp)->channel->CPAR = (uint32_t)(addr); \
+}
+
+/**
+ * @brief Associates a memory destination to a DMA stream.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] addr value to be written in the CMAR register
+ *
+ * @special
+ */
+#define dmaStreamSetMemory0(dmastp, addr) { \
+ (dmastp)->channel->CMAR = (uint32_t)(addr); \
+}
+
+/**
+ * @brief Sets the number of transfers to be performed.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] size value to be written in the CNDTR register
+ *
+ * @special
+ */
+#define dmaStreamSetTransactionSize(dmastp, size) { \
+ (dmastp)->channel->CNDTR = (uint32_t)(size); \
+}
+
+/**
+ * @brief Returns the number of transfers to be performed.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @return The number of transfers to be performed.
+ *
+ * @special
+ */
+#define dmaStreamGetTransactionSize(dmastp) ((size_t)((dmastp)->channel->CNDTR))
+
+/**
+ * @brief Programs the stream mode settings.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] mode value to be written in the CCR register
+ *
+ * @special
+ */
+#define dmaStreamSetMode(dmastp, mode) { \
+ (dmastp)->channel->CCR = (uint32_t)(mode); \
+}
+
+/**
+ * @brief DMA stream enable.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamEnable(dmastp) { \
+ (dmastp)->channel->CCR |= STM32_DMA_CR_EN; \
+}
+
+/**
+ * @brief DMA stream disable.
+ * @details The function disables the specified stream and then clears any
+ * pending interrupt.
+ * @note This function can be invoked in both ISR or thread context.
+ * @note Interrupts enabling flags are set to zero after this call, see
+ * bug 3607518.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamDisable(dmastp) { \
+ (dmastp)->channel->CCR &= ~(STM32_DMA_CR_TCIE | STM32_DMA_CR_HTIE | \
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_EN); \
+ dmaStreamClearInterrupt(dmastp); \
+}
+
+/**
+ * @brief DMA stream interrupt sources clear.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamClearInterrupt(dmastp) { \
+ *(dmastp)->ifcr = STM32_DMA_ISR_MASK << (dmastp)->ishift; \
+}
+
+/**
+ * @brief Starts a memory to memory operation using the specified stream.
+ * @note The default transfer data mode is "byte to byte" but it can be
+ * changed by specifying extra options in the @p mode parameter.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] mode value to be written in the CCR register, this value
+ * is implicitly ORed with:
+ * - @p STM32_DMA_CR_MINC
+ * - @p STM32_DMA_CR_PINC
+ * - @p STM32_DMA_CR_DIR_M2M
+ * - @p STM32_DMA_CR_EN
+ * .
+ * @param[in] src source address
+ * @param[in] dst destination address
+ * @param[in] n number of data units to copy
+ */
+#define dmaStartMemCopy(dmastp, mode, src, dst, n) { \
+ dmaStreamSetPeripheral(dmastp, src); \
+ dmaStreamSetMemory0(dmastp, dst); \
+ dmaStreamSetTransactionSize(dmastp, n); \
+ dmaStreamSetMode(dmastp, (mode) | \
+ STM32_DMA_CR_MINC | STM32_DMA_CR_PINC | \
+ STM32_DMA_CR_DIR_M2M | STM32_DMA_CR_EN); \
+}
+
+/**
+ * @brief Polled wait for DMA transfer end.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ */
+#define dmaWaitCompletion(dmastp) { \
+ while ((dmastp)->channel->CNDTR > 0) \
+ ; \
+ dmaStreamDisable(dmastp); \
+}
+
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+extern const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS];
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void dmaInit(void);
+ bool dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
+ uint32_t priority,
+ stm32_dmaisr_t func,
+ void *param);
+ void dmaStreamRelease(const stm32_dma_stream_t *dmastp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _STM32_DMA_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F30x/stm32_isr.h b/os/hal/ports/STM32/STM32F30x/stm32_isr.h new file mode 100644 index 000000000..94b04b63e --- /dev/null +++ b/os/hal/ports/STM32/STM32F30x/stm32_isr.h @@ -0,0 +1,132 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F30x/stm32_isr.h
+ * @brief ISR remapper driver header.
+ *
+ * @addtogroup STM32F30x_ISR
+ * @{
+ */
+
+#ifndef _STM32_ISR_H_
+#define _STM32_ISR_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name ISR names and numbers remapping
+ * @{
+ */
+/*
+ * CAN units.
+ */
+#define STM32_CAN1_TX_HANDLER Vector8C
+#define STM32_CAN1_RX0_HANDLER Vector90
+#define STM32_CAN1_RX1_HANDLER Vector94
+#define STM32_CAN1_SCE_HANDLER Vector98
+
+#define STM32_CAN1_TX_NUMBER 19
+#define STM32_CAN1_RX0_NUMBER 20
+#define STM32_CAN1_RX1_NUMBER 21
+#define STM32_CAN1_SCE_NUMBER 22
+
+/*
+ * I2C units.
+ */
+#define STM32_I2C1_EVENT_HANDLER VectorBC
+#define STM32_I2C1_ERROR_HANDLER VectorC0
+#define STM32_I2C1_EVENT_NUMBER 31
+#define STM32_I2C1_ERROR_NUMBER 32
+
+#define STM32_I2C2_EVENT_HANDLER VectorC4
+#define STM32_I2C2_ERROR_HANDLER VectorC8
+#define STM32_I2C2_EVENT_NUMBER 33
+#define STM32_I2C2_ERROR_NUMBER 34
+
+/*
+ * TIM units.
+ */
+#define STM32_TIM1_UP_HANDLER VectorA4
+#define STM32_TIM1_CC_HANDLER VectorAC
+#define STM32_TIM2_HANDLER VectorB0
+#define STM32_TIM3_HANDLER VectorB4
+#define STM32_TIM4_HANDLER VectorB8
+#define STM32_TIM6_HANDLER Vector118
+#define STM32_TIM7_HANDLER Vector11C
+#define STM32_TIM8_UP_HANDLER VectorF0
+#define STM32_TIM8_CC_HANDLER VectorF8
+
+#define STM32_TIM1_UP_NUMBER 25
+#define STM32_TIM1_CC_NUMBER 27
+#define STM32_TIM2_NUMBER 28
+#define STM32_TIM3_NUMBER 29
+#define STM32_TIM4_NUMBER 30
+#define STM32_TIM6_NUMBER 54
+#define STM32_TIM7_NUMBER 55
+#define STM32_TIM8_UP_NUMBER 44
+#define STM32_TIM8_CC_NUMBER 46
+
+/*
+ * USART units.
+ */
+#define STM32_USART1_HANDLER VectorD4
+#define STM32_USART2_HANDLER VectorD8
+#define STM32_USART3_HANDLER VectorDC
+#define STM32_UART4_HANDLER Vector110
+#define STM32_UART5_HANDLER Vector114
+
+#define STM32_USART1_NUMBER 37
+#define STM32_USART2_NUMBER 38
+#define STM32_USART3_NUMBER 39
+#define STM32_UART4_NUMBER 52
+#define STM32_UART5_NUMBER 53
+
+/*
+ * USB units.
+ */
+#define STM32_USB1_HP_HANDLER Vector168
+#define STM32_USB1_LP_HANDLER Vector16C
+
+#define STM32_USB1_HP_NUMBER 74
+#define STM32_USB1_LP_NUMBER 75
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#endif /* _STM32_ISR_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F30x/stm32_rcc.h b/os/hal/ports/STM32/STM32F30x/stm32_rcc.h new file mode 100644 index 000000000..9cc2edf52 --- /dev/null +++ b/os/hal/ports/STM32/STM32F30x/stm32_rcc.h @@ -0,0 +1,835 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F30x/stm32_rcc.h
+ * @brief RCC helper driver header.
+ * @note This file requires definitions from the ST header file
+ * @p stm32f30x.h.
+ *
+ * @addtogroup STM32F30x_RCC
+ * @{
+ */
+
+#ifndef _STM32_RCC_
+#define _STM32_RCC_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Generic RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the clock of one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB1(mask, lp) { \
+ RCC->APB1ENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB1(mask, lp) { \
+ RCC->APB1ENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAPB1(mask) { \
+ RCC->APB1RSTR |= (mask); \
+ RCC->APB1RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB2(mask, lp) { \
+ RCC->APB2ENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB2(mask, lp) { \
+ RCC->APB2ENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAPB2(mask) { \
+ RCC->APB2RSTR |= (mask); \
+ RCC->APB2RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the AHB bus.
+ *
+ * @param[in] mask AHB peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAHB(mask, lp) { \
+ RCC->AHBENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the AHB bus.
+ *
+ * @param[in] mask AHB peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAHB(mask, lp) { \
+ RCC->AHBENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the AHB bus.
+ *
+ * @param[in] mask AHB peripherals mask
+ *
+ * @api
+ */
+#define rccResetAHB(mask) { \
+ RCC->AHBRSTR |= (mask); \
+ RCC->AHBRSTR = 0; \
+}
+/** @} */
+
+/**
+ * @name ADC peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the ADC1/ADC2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableADC12(lp) rccEnableAHB(RCC_AHBENR_ADC12EN, lp)
+
+/**
+ * @brief Disables the ADC1/ADC2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableADC12(lp) rccDisableAHB(RCC_AHBENR_ADC12EN, lp)
+
+/**
+ * @brief Resets the ADC1/ADC2 peripheral.
+ *
+ * @api
+ */
+#define rccResetADC12() rccResetAHB(RCC_AHBRSTR_ADC12RST)
+
+/**
+ * @brief Enables the ADC3/ADC4 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableADC34(lp) rccEnableAHB(RCC_AHBENR_ADC34EN, lp)
+
+/**
+ * @brief Disables the ADC3/ADC4 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableADC34(lp) rccDisableAHB(RCC_AHBENR_ADC34EN, lp)
+
+/**
+ * @brief Resets the ADC3/ADC4 peripheral.
+ *
+ * @api
+ */
+#define rccResetADC34() rccResetAHB(RCC_AHBRSTR_ADC34RST)
+/** @} */
+
+/**
+ * @name CAN peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the CAN1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableCAN1(lp) rccEnableAPB1(RCC_APB1ENR_CAN1EN, lp)
+
+/**
+ * @brief Disables the CAN1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableCAN1(lp) rccDisableAPB1(RCC_APB1ENR_CAN1EN, lp)
+
+/**
+ * @brief Resets the CAN1 peripheral.
+ *
+ * @api
+ */
+#define rccResetCAN1() rccResetAPB1(RCC_APB1RSTR_CAN1RST)
+/** @} */
+
+/**
+ * @name DMA peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the DMA1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableDMA1(lp) rccEnableAHB(RCC_AHBENR_DMA1EN, lp)
+
+/**
+ * @brief Disables the DMA1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableDMA1(lp) rccDisableAHB(RCC_AHBENR_DMA1EN, lp)
+
+/**
+ * @brief Resets the DMA1 peripheral.
+ *
+ * @api
+ */
+#define rccResetDMA1() rccResetAHB(RCC_AHBRSTR_DMA1RST)
+
+/**
+ * @brief Enables the DMA2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableDMA2(lp) rccEnableAHB(RCC_AHBENR_DMA2EN, lp)
+
+/**
+ * @brief Disables the DMA2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableDMA2(lp) rccDisableAHB(RCC_AHBENR_DMA2EN, lp)
+
+/**
+ * @brief Resets the DMA2 peripheral.
+ *
+ * @api
+ */
+#define rccResetDMA2() rccResetAHB(RCC_AHBRSTR_DMA2RST)
+/** @} */
+
+/**
+ * @name PWR interface specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the PWR interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnablePWRInterface(lp) rccEnableAPB1(RCC_APB1ENR_PWREN, lp)
+
+/**
+ * @brief Disables PWR interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisablePWRInterface(lp) rccDisableAPB1(RCC_APB1ENR_PWREN, lp)
+
+/**
+ * @brief Resets the PWR interface.
+ *
+ * @api
+ */
+#define rccResetPWRInterface() rccResetAPB1(RCC_APB1RSTR_PWRRST)
+/** @} */
+
+/**
+ * @name I2C peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the I2C1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C1(lp) rccEnableAPB1(RCC_APB1ENR_I2C1EN, lp)
+
+/**
+ * @brief Disables the I2C1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableI2C1(lp) rccDisableAPB1(RCC_APB1ENR_I2C1EN, lp)
+
+/**
+ * @brief Resets the I2C1 peripheral.
+ *
+ * @api
+ */
+#define rccResetI2C1() rccResetAPB1(RCC_APB1RSTR_I2C1RST)
+
+/**
+ * @brief Enables the I2C2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C2(lp) rccEnableAPB1(RCC_APB1ENR_I2C2EN, lp)
+
+/**
+ * @brief Disables the I2C2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableI2C2(lp) rccDisableAPB1(RCC_APB1ENR_I2C2EN, lp)
+
+/**
+ * @brief Resets the I2C2 peripheral.
+ *
+ * @api
+ */
+#define rccResetI2C2() rccResetAPB1(RCC_APB1RSTR_I2C2RST)
+/** @} */
+
+/**
+ * @name SPI peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the SPI1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI1(lp) rccEnableAPB2(RCC_APB2ENR_SPI1EN, lp)
+
+/**
+ * @brief Disables the SPI1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI1(lp) rccDisableAPB2(RCC_APB2ENR_SPI1EN, lp)
+
+/**
+ * @brief Resets the SPI1 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI1() rccResetAPB2(RCC_APB2RSTR_SPI1RST)
+
+/**
+ * @brief Enables the SPI2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI2(lp) rccEnableAPB1(RCC_APB1ENR_SPI2EN, lp)
+
+/**
+ * @brief Disables the SPI2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI2(lp) rccDisableAPB1(RCC_APB1ENR_SPI2EN, lp)
+
+/**
+ * @brief Resets the SPI2 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI2() rccResetAPB1(RCC_APB1RSTR_SPI2RST)
+
+/**
+ * @brief Enables the SPI3 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI3(lp) rccEnableAPB1(RCC_APB1ENR_SPI3EN, lp)
+
+/**
+ * @brief Disables the SPI3 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI3(lp) rccDisableAPB1(RCC_APB1ENR_SPI3EN, lp)
+
+/**
+ * @brief Resets the SPI3 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI3() rccResetAPB1(RCC_APB1RSTR_SPI3RST)
+/** @} */
+
+/**
+ * @name TIM peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the TIM1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM1(lp) rccEnableAPB2(RCC_APB2ENR_TIM1EN, lp)
+
+/**
+ * @brief Disables the TIM1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM1(lp) rccDisableAPB2(RCC_APB2ENR_TIM1EN, lp)
+
+/**
+ * @brief Resets the TIM1 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM1() rccResetAPB2(RCC_APB2RSTR_TIM1RST)
+
+/**
+ * @brief Enables the TIM2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM2(lp) rccEnableAPB1(RCC_APB1ENR_TIM2EN, lp)
+
+/**
+ * @brief Disables the TIM2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM2(lp) rccDisableAPB1(RCC_APB1ENR_TIM2EN, lp)
+
+/**
+ * @brief Resets the TIM2 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM2() rccResetAPB1(RCC_APB1RSTR_TIM2RST)
+
+/**
+ * @brief Enables the TIM3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM3(lp) rccEnableAPB1(RCC_APB1ENR_TIM3EN, lp)
+
+/**
+ * @brief Disables the TIM3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM3(lp) rccDisableAPB1(RCC_APB1ENR_TIM3EN, lp)
+
+/**
+ * @brief Resets the TIM3 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM3() rccResetAPB1(RCC_APB1RSTR_TIM3RST)
+
+/**
+ * @brief Enables the TIM4 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM4(lp) rccEnableAPB1(RCC_APB1ENR_TIM4EN, lp)
+
+/**
+ * @brief Disables the TIM4 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM4(lp) rccDisableAPB1(RCC_APB1ENR_TIM4EN, lp)
+
+/**
+ * @brief Resets the TIM4 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM4() rccResetAPB1(RCC_APB1RSTR_TIM4RST)
+
+/**
+ * @brief Enables the TIM6 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM6(lp) rccEnableAPB1(RCC_APB1ENR_TIM6EN, lp)
+
+/**
+ * @brief Disables the TIM6 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM6(lp) rccDisableAPB1(RCC_APB1ENR_TIM6EN, lp)
+
+/**
+ * @brief Resets the TIM6 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM6() rccResetAPB1(RCC_APB1RSTR_TIM6RST)
+
+/**
+ * @brief Enables the TIM7 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM7(lp) rccEnableAPB1(RCC_APB1ENR_TIM7EN, lp)
+
+/**
+ * @brief Disables the TIM7 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM7(lp) rccDisableAPB1(RCC_APB1ENR_TIM7EN, lp)
+
+/**
+ * @brief Resets the TIM7 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM7() rccResetAPB1(RCC_APB1RSTR_TIM7RST)
+
+/**
+ * @brief Enables the TIM8 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM8(lp) rccEnableAPB2(RCC_APB2ENR_TIM8EN, lp)
+
+/**
+ * @brief Disables the TIM8 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM8(lp) rccDisableAPB2(RCC_APB2ENR_TIM8EN, lp)
+
+/**
+ * @brief Resets the TIM8 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM8() rccResetAPB2(RCC_APB2RSTR_TIM8RST)
+/** @} */
+
+/**
+ * @name USART/UART peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the USART1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART1(lp) rccEnableAPB2(RCC_APB2ENR_USART1EN, lp)
+
+/**
+ * @brief Disables the USART1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART1(lp) rccDisableAPB2(RCC_APB2ENR_USART1EN, lp)
+
+/**
+ * @brief Resets the USART1 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART1() rccResetAPB2(RCC_APB2RSTR_USART1RST)
+
+/**
+ * @brief Enables the USART2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART2(lp) rccEnableAPB1(RCC_APB1ENR_USART2EN, lp)
+
+/**
+ * @brief Disables the USART2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART2(lp) rccDisableAPB1(RCC_APB1ENR_USART2EN, lp)
+
+/**
+ * @brief Resets the USART2 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART2() rccResetAPB1(RCC_APB1RSTR_USART2RST)
+
+/**
+ * @brief Enables the USART3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART3(lp) rccEnableAPB1(RCC_APB1ENR_USART3EN, lp)
+
+/**
+ * @brief Disables the USART3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART3(lp) rccDisableAPB1(RCC_APB1ENR_USART3EN, lp)
+
+/**
+ * @brief Resets the USART3 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART3() rccResetAPB1(RCC_APB1RSTR_USART3RST)
+
+/**
+ * @brief Enables the UART4 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUART4(lp) rccEnableAPB1(RCC_APB1ENR_UART4EN, lp)
+
+/**
+ * @brief Disables the UART4 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUART4(lp) rccDisableAPB1(RCC_APB1ENR_UART4EN, lp)
+
+/**
+ * @brief Resets the UART4 peripheral.
+ *
+ * @api
+ */
+#define rccResetUART4() rccResetAPB1(RCC_APB1RSTR_UART4RST)
+
+/**
+ * @brief Enables the UART5 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUART5(lp) rccEnableAPB1(RCC_APB1ENR_UART5EN, lp)
+
+/**
+ * @brief Disables the UART5 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUART5(lp) rccDisableAPB1(RCC_APB1ENR_UART5EN, lp)
+
+/**
+ * @brief Resets the UART5 peripheral.
+ *
+ * @api
+ */
+#define rccResetUART5() rccResetAPB1(RCC_APB1RSTR_UART5RST)
+/** @} */
+
+/**
+ * @name USB peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the USB peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSB(lp) rccEnableAPB1(RCC_APB1ENR_USBEN, lp)
+
+/**
+ * @brief Disables the USB peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSB(lp) rccDisableAPB1(RCC_APB1ENR_USBEN, lp)
+
+/**
+ * @brief Resets the USB peripheral.
+ *
+ * @api
+ */
+#define rccResetUSB() rccResetAPB1(RCC_APB1RSTR_USBRST)
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _STM32_RCC_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F30x/stm32_registry.h b/os/hal/ports/STM32/STM32F30x/stm32_registry.h new file mode 100644 index 000000000..5ab6aa3f2 --- /dev/null +++ b/os/hal/ports/STM32/STM32F30x/stm32_registry.h @@ -0,0 +1,195 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F30x/stm32_registry.h
+ * @brief STM32F30x capabilities registry.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _STM32_REGISTRY_H_
+#define _STM32_REGISTRY_H_
+
+/*===========================================================================*/
+/* Platform capabilities. */
+/*===========================================================================*/
+
+/**
+ * @name STM32F30x capabilities
+ * @{
+ */
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 TRUE
+#define STM32_HAS_ADC3 TRUE
+#define STM32_HAS_ADC4 TRUE
+
+#define STM32_HAS_SDADC1 FALSE
+#define STM32_HAS_SDADC2 FALSE
+#define STM32_HAS_SDADC3 FALSE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 TRUE
+#define STM32_HAS_CAN2 FALSE
+#define STM32_CAN_MAX_FILTERS 14
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC1 TRUE
+#define STM32_HAS_DAC2 TRUE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA FALSE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 TRUE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH FALSE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 34
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD TRUE
+#define STM32_HAS_GPIOE TRUE
+#define STM32_HAS_GPIOF TRUE
+#define STM32_HAS_GPIOG FALSE
+#define STM32_HAS_GPIOH FALSE
+#define STM32_HAS_GPIOI FALSE
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+
+#define STM32_HAS_I2C2 TRUE
+#define STM32_I2C_I2C2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_I2C_I2C2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_I2C3 FALSE
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#define STM32_RTC_HAS_SUBSECONDS TRUE
+#define STM32_RTC_IS_CALENDAR TRUE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO FALSE
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+
+#define STM32_HAS_SPI2 TRUE
+#define STM32_SPI_SPI2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+#define STM32_SPI_SPI2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+
+#define STM32_HAS_SPI3 TRUE
+#define STM32_SPI_SPI3_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 1)
+#define STM32_SPI_SPI3_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 2)
+
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+
+/* TIM attributes.*/
+#define STM32_TIM_MAX_CHANNELS 6
+
+#define STM32_HAS_TIM1 TRUE
+#define STM32_TIM1_IS_32BITS FALSE
+#define STM32_TIM1_CHANNELS 6
+
+#define STM32_HAS_TIM2 TRUE
+#define STM32_TIM2_IS_32BITS TRUE
+#define STM32_TIM2_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM4 TRUE
+#define STM32_TIM4_IS_32BITS FALSE
+#define STM32_TIM4_CHANNELS 4
+
+#define STM32_HAS_TIM6 TRUE
+#define STM32_TIM6_IS_32BITS FALSE
+#define STM32_TIM6_CHANNELS 0
+
+#define STM32_HAS_TIM7 TRUE
+#define STM32_TIM7_IS_32BITS FALSE
+#define STM32_TIM7_CHANNELS 0
+
+#define STM32_HAS_TIM8 TRUE
+#define STM32_TIM8_IS_32BITS FALSE
+#define STM32_TIM8_CHANNELS 6
+
+#define STM32_HAS_TIM15 TRUE
+#define STM32_TIM15_IS_32BITS FALSE
+#define STM32_TIM15_CHANNELS 2
+
+#define STM32_HAS_TIM16 TRUE
+#define STM32_TIM16_IS_32BITS FALSE
+#define STM32_TIM16_CHANNELS 2
+
+#define STM32_HAS_TIM17 TRUE
+#define STM32_TIM17_IS_32BITS FALSE
+#define STM32_TIM17_CHANNELS 2
+
+#define STM32_HAS_TIM5 FALSE
+#define STM32_HAS_TIM9 FALSE
+#define STM32_HAS_TIM10 FALSE
+#define STM32_HAS_TIM11 FALSE
+#define STM32_HAS_TIM12 FALSE
+#define STM32_HAS_TIM13 FALSE
+#define STM32_HAS_TIM14 FALSE
+#define STM32_HAS_TIM18 FALSE
+#define STM32_HAS_TIM19 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_USART2 TRUE
+#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+
+#define STM32_HAS_USART3 TRUE
+#define STM32_UART_USART3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_UART_USART3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_UART4 TRUE
+#define STM32_UART_UART4_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 3)
+#define STM32_UART_UART4_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 5)
+
+#define STM32_HAS_UART5 TRUE
+
+#define STM32_HAS_USART6 FALSE
+
+/* USB attributes.*/
+#define STM32_HAS_USB TRUE
+#define STM32_HAS_OTG1 FALSE
+#define STM32_HAS_OTG2 FALSE
+/** @} */
+
+#endif /* _STM32_REGISTRY_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F37x/adc_lld.c b/os/hal/ports/STM32/STM32F37x/adc_lld.c new file mode 100644 index 000000000..54679b62f --- /dev/null +++ b/os/hal/ports/STM32/STM32F37x/adc_lld.c @@ -0,0 +1,730 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F37x/adc_lld.c
+ * @brief STM32F37x ADC subsystem low level driver source.
+ *
+ * @addtogroup ADC
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_ADC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+#define SDADC_FORBIDDEN_CR1_FLAGS (SDADC_CR1_INIT | SDADC_CR1_RDMAEN | \
+ SDADC_CR1_RSYNC | SDADC_CR1_JSYNC | \
+ SDADC_CR1_ROVRIE | SDADC_CR1_REOCIE | \
+ SDADC_CR1_JEOCIE | SDADC_CR1_EOCALIE)
+
+#define SDADC_ENFORCED_CR1_FLAGS (SDADC_CR1_JDMAEN | SDADC_CR1_JOVRIE)
+
+#define SDADC_FORBIDDEN_CR2_FLAGS (SDADC_CR2_RSWSTART | \
+ SDADC_CR2_RCONT | \
+ SDADC_CR2_RCH | \
+ SDADC_CR2_JCONT | \
+ SDADC_CR2_STARTCALIB | \
+ SDADC_CR2_CALIBCNT)
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/** @brief ADC1 driver identifier.*/
+#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)
+ADCDriver ADCD1;
+#endif
+
+/** @brief SDADC1 driver identifier.*/
+#if STM32_ADC_USE_SDADC1 || defined(__DOXYGEN__)
+ADCDriver SDADCD1;
+#endif
+
+/** @brief SDADC2 driver identifier.*/
+#if STM32_ADC_USE_SDADC2 || defined(__DOXYGEN__)
+ADCDriver SDADCD2;
+#endif
+
+/** @brief SDADC3 driver identifier.*/
+#if STM32_ADC_USE_SDADC3 || defined(__DOXYGEN__)
+ADCDriver SDADCD3;
+#endif
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+static const ADCConfig adc_lld_default_config = {
+#if STM32_ADC_USE_SDADC
+ 0,
+ {
+ 0,
+ 0,
+ 0
+ }
+#else /* !STM32_ADC_USE_SDADC */
+ 0
+#endif /* !STM32_ADC_USE_SDADC */
+};
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Stops, reconfigures and restarts an ADC/SDADC.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ */
+static void adc_lld_reconfig(ADCDriver *adcp) {
+
+#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC
+ if (adcp->adc != NULL)
+#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */
+#if STM32_ADC_USE_ADC
+ {
+ /* ADC initial setup, starting the analog part here in order to reduce
+ the latency when starting a conversion.*/
+ uint32_t cr2 = adcp->adc->CR2 & ADC_CR2_TSVREFE;
+ adcp->adc->CR2 = cr2;
+ adcp->adc->CR1 = 0;
+ adcp->adc->CR2 = cr2 | ADC_CR2_ADON;
+
+ }
+#endif /* STM32_ADC_USE_ADC */
+#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC
+ else if (adcp->sdadc != NULL)
+#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */
+#if STM32_ADC_USE_SDADC
+ {
+ /* SDADC initial setup, starting the analog part here in order to reduce
+ the latency when starting a conversion.*/
+ adcp->sdadc->CR2 = 0;
+ adcp->sdadc->CR1 = (adcp->config->cr1 | SDADC_ENFORCED_CR1_FLAGS) &
+ ~SDADC_FORBIDDEN_CR1_FLAGS;
+ adcp->sdadc->CONF0R = (adcp->sdadc->CONF0R & SDADC_CONFR_OFFSET_MASK) |
+ adcp->config->confxr[0];
+ adcp->sdadc->CONF1R = (adcp->sdadc->CONF1R & SDADC_CONFR_OFFSET_MASK) |
+ adcp->config->confxr[1];
+ adcp->sdadc->CONF2R = (adcp->sdadc->CONF2R & SDADC_CONFR_OFFSET_MASK) |
+ adcp->config->confxr[2];
+ adcp->sdadc->CR2 = SDADC_CR2_ADON;
+ }
+#endif /* STM32_ADC_USE_SDADC */
+#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC
+else {
+ osalDbgAssert(FALSE, "invalid state");
+ }
+#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */
+}
+
+/**
+ * @brief ADC DMA ISR service routine.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ * @param[in] flags pre-shifted content of the ISR register
+ *
+ * @notapi
+ */
+static void adc_lld_serve_dma_interrupt(ADCDriver *adcp, uint32_t flags) {
+
+ /* DMA errors handling.*/
+ if ((flags & (STM32_DMA_ISR_TEIF | STM32_DMA_ISR_DMEIF)) != 0) {
+ /* DMA, this could help only if the DMA tries to access an unmapped
+ address space or violates alignment rules.*/
+ _adc_isr_error_code(adcp, ADC_ERR_DMAFAILURE);
+ }
+ else {
+ /* It is possible that the conversion group has already be reset by the
+ ADC error handler, in this case this interrupt is spurious.*/
+ if (adcp->grpp != NULL) {
+ if ((flags & STM32_DMA_ISR_TCIF) != 0) {
+ /* Transfer complete processing.*/
+ _adc_isr_full_code(adcp);
+ }
+ else if ((flags & STM32_DMA_ISR_HTIF) != 0) {
+ /* Half transfer processing.*/
+ _adc_isr_half_code(adcp);
+ }
+ }
+ }
+}
+
+#if STM32_ADC_USE_ADC || defined(__DOXYGEN__)
+/**
+ * @brief ADC ISR service routine.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ * @param[in] sr content of the ISR register
+ *
+ * @notapi
+ */
+static void adc_lld_serve_interrupt(ADCDriver *adcp, uint32_t sr) {
+
+ /* It could be a spurious interrupt caused by overflows after DMA disabling,
+ just ignore it in this case.*/
+ if (adcp->grpp != NULL) {
+ if (sr & ADC_SR_AWD) {
+ /* Analog watchdog error.*/
+ _adc_isr_error_code(adcp, ADC_ERR_AWD1);
+ }
+ }
+}
+#endif /* STM32_ADC_USE_ADC */
+
+#if STM32_ADC_USE_SDADC || defined(__DOXYGEN__)
+/**
+ * @brief ADC ISR service routine.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ * @param[in] isr content of the ISR register
+ *
+ * @notapi
+ */
+static void sdadc_lld_serve_interrupt(ADCDriver *adcp, uint32_t isr) {
+
+ /* It could be a spurious interrupt caused by overflows after DMA disabling,
+ just ignore it in this case.*/
+ if (adcp->grpp != NULL) {
+ /* Note, an overflow may occur after the conversion ended before the driver
+ is able to stop the ADC, this is why the DMA channel is checked too.*/
+ if ((isr & SDADC_ISR_JOVRF) &&
+ (dmaStreamGetTransactionSize(adcp->dmastp) > 0)) {
+ /* ADC overflow condition, this could happen only if the DMA is unable
+ to read data fast enough.*/
+ _adc_isr_error_code(adcp, ADC_ERR_OVERFLOW);
+ }
+ }
+}
+#endif /* STM32_ADC_USE_SDADC */
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)
+/**
+ * @brief ADC1 interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector88) {
+ uint32_t sr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ sr = ADC1->SR;
+ ADC1->SR = 0;
+ adc_lld_serve_interrupt(&ADCD1, sr);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif /* STM32_ADC_USE_ADC1 */
+
+#if STM32_ADC_USE_SDADC1 || defined(__DOXYGEN__)
+/**
+ * @brief SDADC1 interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector134) {
+ uint32_t isr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ isr = SDADC1->ISR;
+ SDADC1->CLRISR = isr;
+ sdadc_lld_serve_interrupt(&SDADCD1, isr);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif /* STM32_ADC_USE_SDADC1 */
+
+#if STM32_ADC_USE_SDADC2 || defined(__DOXYGEN__)
+/**
+ * @brief SDADC2 interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector138) {
+ uint32_t isr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ isr = SDADC2->ISR;
+ SDADC2->CLRISR = isr;
+ sdadc_lld_serve_interrupt(&SDADCD2, isr);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif /* STM32_ADC_USE_SDADC2 */
+
+#if STM32_ADC_USE_SDADC3 || defined(__DOXYGEN__)
+/**
+ * @brief SDADC3 interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector13C) {
+ uint32_t isr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ isr = SDADC3->ISR;
+ SDADC3->CLRISR = isr;
+ sdadc_lld_serve_interrupt(&SDADCD3, isr);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif /* STM32_ADC_USE_SDADC3 */
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level ADC driver initialization.
+ *
+ * @notapi
+ */
+void adc_lld_init(void) {
+
+#if STM32_ADC_USE_ADC1
+ /* Driver initialization.*/
+ adcObjectInit(&ADCD1);
+ ADCD1.adc = ADC1;
+#if STM32_ADC_USE_SDADC
+ ADCD1.sdadc = NULL;
+#endif
+ ADCD1.dmastp = STM32_DMA1_STREAM1;
+ ADCD1.dmamode = STM32_DMA_CR_CHSEL(ADC1_DMA_CHANNEL) |
+ STM32_DMA_CR_PL(STM32_ADC_ADC1_DMA_PRIORITY) |
+ STM32_DMA_CR_DIR_P2M |
+ STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
+ nvicEnableVector(ADC1_IRQn, STM32_ADC_ADC1_IRQ_PRIORITY);
+#endif
+
+#if STM32_ADC_USE_SDADC1
+ /* Driver initialization.*/
+ adcObjectInit(&SDADCD1);
+#if STM32_ADC_USE_ADC
+ SDADCD1.adc = NULL;
+#endif
+ SDADCD1.sdadc = SDADC1;
+ SDADCD1.dmastp = STM32_DMA2_STREAM3;
+ SDADCD1.dmamode = STM32_DMA_CR_CHSEL(SDADC1_DMA_CHANNEL) |
+ STM32_DMA_CR_PL(STM32_ADC_SDADC1_DMA_PRIORITY) |
+ STM32_DMA_CR_DIR_P2M |
+ STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
+ nvicEnableVector(SDADC1_IRQn, STM32_ADC_SDADC1_IRQ_PRIORITY);
+#endif
+
+#if STM32_ADC_USE_SDADC2
+ /* Driver initialization.*/
+ adcObjectInit(&SDADCD2);
+#if STM32_ADC_USE_ADC
+ SDADCD2.adc = NULL;
+#endif
+ SDADCD2.sdadc = SDADC2;
+ SDADCD2.dmastp = STM32_DMA2_STREAM4;
+ SDADCD2.dmamode = STM32_DMA_CR_CHSEL(SDADC2_DMA_CHANNEL) |
+ STM32_DMA_CR_PL(STM32_ADC_SDADC2_DMA_PRIORITY) |
+ STM32_DMA_CR_DIR_P2M |
+ STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
+ nvicEnableVector(SDADC2_IRQn, STM32_ADC_SDADC2_IRQ_PRIORITY);
+#endif
+
+#if STM32_ADC_USE_SDADC3
+ /* Driver initialization.*/
+ adcObjectInit(&SDADCD3);
+#if STM32_ADC_USE_ADC
+ SDADCD3.adc = NULL;
+#endif
+ SDADCD3.sdadc = SDADC3;
+ SDADCD3.dmastp = STM32_DMA2_STREAM5;
+ SDADCD3.dmamode = STM32_DMA_CR_CHSEL(SDADC3_DMA_CHANNEL) |
+ STM32_DMA_CR_PL(STM32_ADC_SDADC3_DMA_PRIORITY) |
+ STM32_DMA_CR_DIR_P2M |
+ STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
+ nvicEnableVector(SDADC3_IRQn, STM32_ADC_SDADC3_IRQ_PRIORITY);
+#endif
+}
+
+/**
+ * @brief Configures and activates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_start(ADCDriver *adcp) {
+
+ if (adcp->config == NULL)
+ adcp->config = &adc_lld_default_config;
+
+ /* If in stopped state then enables the ADC and DMA clocks.*/
+ if (adcp->state == ADC_STOP) {
+#if STM32_ADC_USE_ADC1
+ if (&ADCD1 == adcp) {
+ bool b = dmaStreamAllocate(adcp->dmastp,
+ STM32_ADC_ADC1_DMA_IRQ_PRIORITY,
+ (stm32_dmaisr_t)adc_lld_serve_dma_interrupt,
+ (void *)adcp);
+ osalDbgAssert(!b, "stream already allocated");
+ dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR);
+ rccEnableADC1(FALSE);
+ }
+#endif /* STM32_ADC_USE_ADC1 */
+
+#if STM32_ADC_USE_SDADC1
+ if (&SDADCD1 == adcp) {
+ bool b = dmaStreamAllocate(adcp->dmastp,
+ STM32_ADC_SDADC1_DMA_IRQ_PRIORITY,
+ (stm32_dmaisr_t)adc_lld_serve_dma_interrupt,
+ (void *)adcp);
+ osalDbgAssert(!b, "stream already allocated");
+ dmaStreamSetPeripheral(adcp->dmastp, &SDADC1->JDATAR);
+ rccEnableSDADC1(FALSE);
+ PWR->CR |= PWR_CR_SDADC1EN;
+ adcp->sdadc->CR2 = 0;
+ adcp->sdadc->CR1 = (adcp->config->cr1 | SDADC_ENFORCED_CR1_FLAGS) &
+ ~SDADC_FORBIDDEN_CR1_FLAGS;
+ adcp->sdadc->CR2 = SDADC_CR2_ADON;
+ }
+#endif /* STM32_ADC_USE_SDADC1 */
+
+#if STM32_ADC_USE_SDADC2
+ if (&SDADCD2 == adcp) {
+ bool b = dmaStreamAllocate(adcp->dmastp,
+ STM32_ADC_SDADC2_DMA_IRQ_PRIORITY,
+ (stm32_dmaisr_t)adc_lld_serve_dma_interrupt,
+ (void *)adcp);
+ osalDbgAssert(!b, "stream already allocated");
+ dmaStreamSetPeripheral(adcp->dmastp, &SDADC2->JDATAR);
+ rccEnableSDADC1(FALSE);
+ PWR->CR |= PWR_CR_SDADC2EN;
+ adcp->sdadc->CR2 = 0;
+ adcp->sdadc->CR1 = (adcp->config->cr1 | SDADC_ENFORCED_CR1_FLAGS) &
+ ~SDADC_FORBIDDEN_CR1_FLAGS;
+ adcp->sdadc->CR2 = SDADC_CR2_ADON;
+ }
+#endif /* STM32_ADC_USE_SDADC2 */
+
+#if STM32_ADC_USE_SDADC3
+ if (&SDADCD3 == adcp) {
+ bool b = dmaStreamAllocate(adcp->dmastp,
+ STM32_ADC_SDADC3_DMA_IRQ_PRIORITY,
+ (stm32_dmaisr_t)adc_lld_serve_dma_interrupt,
+ (void *)adcp);
+ osalDbgAssert(!b, "stream already allocated");
+ dmaStreamSetPeripheral(adcp->dmastp, &SDADC3->JDATAR);
+ rccEnableSDADC1(FALSE);
+ PWR->CR |= PWR_CR_SDADC3EN;
+ adcp->sdadc->CR2 = 0;
+ adcp->sdadc->CR1 = (adcp->config->cr1 | SDADC_ENFORCED_CR1_FLAGS) &
+ ~SDADC_FORBIDDEN_CR1_FLAGS;
+ adcp->sdadc->CR2 = SDADC_CR2_ADON;
+ }
+#endif /* STM32_ADC_USE_SDADC3 */
+ }
+
+ adc_lld_reconfig(adcp);
+}
+
+/**
+ * @brief Deactivates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_stop(ADCDriver *adcp) {
+
+ /* If in ready state then disables the ADC clock.*/
+ if (adcp->state == ADC_READY) {
+ dmaStreamRelease(adcp->dmastp);
+
+#if STM32_ADC_USE_ADC1
+ if (&ADCD1 == adcp) {
+ adcp->adc->CR1 = 0;
+ adcp->adc->CR2 = 0;
+ rccDisableADC1(FALSE);
+ }
+#endif
+
+#if STM32_ADC_USE_SDADC1
+ if (&SDADCD1 == adcp) {
+ adcp->sdadc->CR1 = 0;
+ adcp->sdadc->CR2 = 0;
+ rccDisableSDADC1(FALSE);
+ PWR->CR &= ~PWR_CR_SDADC1EN;
+ }
+#endif
+
+#if STM32_ADC_USE_SDADC2
+ if (&SDADCD2 == adcp) {
+ adcp->sdadc->CR1 = 0;
+ adcp->sdadc->CR2 = 0;
+ rccDisableSDADC2(FALSE);
+ PWR->CR &= ~PWR_CR_SDADC2EN;
+ }
+#endif
+
+#if STM32_ADC_USE_SDADC3
+ if (&SDADCD3 == adcp) {
+ adcp->sdadc->CR1 = 0;
+ adcp->sdadc->CR2 = 0;
+ rccDisableSDADC3(FALSE);
+ PWR->CR &= ~PWR_CR_SDADC3EN;
+ }
+#endif
+ }
+}
+
+/**
+ * @brief Starts an ADC conversion.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_start_conversion(ADCDriver *adcp) {
+ uint32_t mode;
+ const ADCConversionGroup* grpp = adcp->grpp;
+
+ /* DMA setup.*/
+ mode = adcp->dmamode;
+ if (grpp->circular) {
+ mode |= STM32_DMA_CR_CIRC;
+ if (adcp->depth > 1) {
+ /* If circular buffer depth > 1, then the half transfer interrupt
+ is enabled in order to allow streaming processing.*/
+ mode |= STM32_DMA_CR_HTIE;
+ }
+ }
+ dmaStreamSetMemory0(adcp->dmastp, adcp->samples);
+ dmaStreamSetTransactionSize(adcp->dmastp,
+ (uint32_t)grpp->num_channels *
+ (uint32_t)adcp->depth);
+ dmaStreamSetMode(adcp->dmastp, mode);
+ dmaStreamEnable(adcp->dmastp);
+
+#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC
+ if (adcp->adc != NULL)
+#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */
+#if STM32_ADC_USE_ADC
+ {
+ uint32_t cr2 = adcp->adc->CR2 & ADC_CR2_TSVREFE;
+ cr2 |= grpp->u.adc.cr2 | ADC_CR2_DMA | ADC_CR2_ADON;
+ if ((cr2 & ADC_CR2_SWSTART) != 0)
+ cr2 |= ADC_CR2_CONT;
+ adcp->adc->CR2 = cr2;
+
+ /* ADC setup.*/
+ adcp->adc->SR = 0;
+ adcp->adc->LTR = grpp->u.adc.ltr;
+ adcp->adc->HTR = grpp->u.adc.htr;
+ adcp->adc->SMPR1 = grpp->u.adc.smpr[0];
+ adcp->adc->SMPR2 = grpp->u.adc.smpr[1];
+ adcp->adc->SQR1 = grpp->u.adc.sqr[0] |
+ ADC_SQR1_NUM_CH(grpp->num_channels);
+ adcp->adc->SQR2 = grpp->u.adc.sqr[1];
+ adcp->adc->SQR3 = grpp->u.adc.sqr[2];
+
+ /* ADC conversion start, the start is performed using the method
+ specified in the CR2 configuration, usually ADC_CR2_SWSTART.*/
+ adcp->adc->CR1 = grpp->u.adc.cr1 | ADC_CR1_AWDIE | ADC_CR1_SCAN;
+ adcp->adc->CR2 = adcp->adc->CR2; /* Triggers the conversion start.*/
+ }
+#endif /* STM32_ADC_USE_ADC */
+#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC
+ else if (adcp->sdadc != NULL)
+#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */
+#if STM32_ADC_USE_SDADC
+ {
+ uint32_t cr2 = (grpp->u.sdadc.cr2 & ~SDADC_FORBIDDEN_CR2_FLAGS) |
+ SDADC_CR2_ADON;
+ if ((grpp->u.sdadc.cr2 & SDADC_CR2_JSWSTART) != 0)
+ cr2 |= SDADC_CR2_JCONT;
+
+ /* Entering initialization mode.*/
+ adcp->sdadc->CR1 |= SDADC_CR1_INIT;
+ while ((adcp->sdadc->ISR & SDADC_ISR_INITRDY) == 0)
+ ;
+
+ /* SDADC setup.*/
+ adcp->sdadc->JCHGR = grpp->u.sdadc.jchgr;
+ adcp->sdadc->CONFCHR1 = grpp->u.sdadc.confchr[0];
+ adcp->sdadc->CONFCHR2 = grpp->u.sdadc.confchr[1];
+
+ /* Leaving initialization mode.*/
+ adcp->sdadc->CR1 &= ~SDADC_CR1_INIT;
+
+ /* SDADC conversion start, the start is performed using the method
+ specified in the CR2 configuration, usually SDADC_CR2_JSWSTART.*/
+ adcp->sdadc->CR2 = cr2;
+ }
+#endif /* STM32_ADC_USE_SDADC */
+#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC
+ else {
+ osalDbgAssert(FALSE, "invalid state");
+ }
+#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */
+}
+
+/**
+ * @brief Stops an ongoing conversion.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_stop_conversion(ADCDriver *adcp) {
+
+ /* Disabling the associated DMA stream.*/
+ dmaStreamDisable(adcp->dmastp);
+
+ /* Stopping and restarting the whole ADC, apparently the only way to stop
+ a conversion.*/
+ adc_lld_reconfig(adcp);
+}
+
+/**
+ * @brief Calibrates an ADC unit.
+ * @note The calibration must be performed after calling @p adcStart().
+ * @note For SDADC units it is assumed that the field SDADC_CR2_CALIBCNT
+ * has been
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @api
+ */
+void adcSTM32Calibrate(ADCDriver *adcp) {
+
+ osalDbgAssert((adcp->state == ADC_READY) ||
+ (adcp->state == ADC_COMPLETE) ||
+ (adcp->state == ADC_ERROR),
+ "not ready");
+
+#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC
+ if (adcp->adc != NULL)
+#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */
+#if STM32_ADC_USE_ADC
+ {
+ /* Resetting calibration just to be safe.*/
+ ADC1->CR2 = ADC_CR2_ADON | ADC_CR2_RSTCAL;
+ while ((ADC1->CR2 & ADC_CR2_RSTCAL) != 0)
+ ;
+
+ /* Calibration.*/
+ ADC1->CR2 = ADC_CR2_ADON | ADC_CR2_CAL;
+ while ((ADC1->CR2 & ADC_CR2_CAL) != 0)
+ ;
+ }
+#endif /* STM32_ADC_USE_ADC */
+#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC
+ else if (adcp->sdadc != NULL)
+#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */
+#if STM32_ADC_USE_SDADC
+ {
+ /* Selecting a full calibration in three steps.*/
+ adcp->sdadc->CR2 = (adcp->sdadc->CR2 & ~SDADC_CR2_CALIBCNT) |
+ SDADC_CR2_CALIBCNT_1;
+
+ /* Calibration.*/
+ adcp->sdadc->CR2 |= SDADC_CR2_STARTCALIB;
+ while ((adcp->sdadc->ISR & SDADC_ISR_EOCALF) == 0)
+ ;
+
+ /* Clearing the EOCALF flag.*/
+ adcp->sdadc->CLRISR |= SDADC_ISR_CLREOCALF;
+ }
+#endif /* STM32_ADC_USE_SDADC */
+#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC
+ else {
+ osalDbgAssert(FALSE, "invalid state");
+ }
+#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */
+}
+
+#if STM32_ADC_USE_ADC || defined(__DOXYGEN__)
+/**
+ * @brief Enables the TSVREFE bit.
+ * @details The TSVREFE bit is required in order to sample the internal
+ * temperature sensor and internal reference voltage.
+ * @note This is an STM32-only functionality.
+ *
+ * @api
+ */
+void adcSTM32EnableTSVREFE(void) {
+
+ ADC1->CR2 |= ADC_CR2_TSVREFE;
+}
+
+/**
+ * @brief Disables the TSVREFE bit.
+ * @details The TSVREFE bit is required in order to sample the internal
+ * temperature sensor and internal reference voltage.
+ * @note This is an STM32-only functionality.
+ *
+ * @api
+ */
+void adcSTM32DisableTSVREFE(void) {
+
+ ADC1->CR2 &= ~ADC_CR2_TSVREFE;
+}
+
+/**
+ * @brief Enables the VBATE bit.
+ * @details The VBATE bit is required in order to sample the VBAT channel.
+ * @note This is an STM32-only functionality.
+ *
+ * @api
+ */
+void adcSTM32EnableVBATE(void) {
+
+ SYSCFG->CFGR1 |= SYSCFG_CFGR1_VBAT;
+}
+
+/**
+ * @brief Disables the VBATE bit.
+ * @details The VBATE bit is required in order to sample the VBAT channel.
+ * @note This is an STM32-only functionality.
+ *
+ * @api
+ */
+void adcSTM32DisableVBATE(void) {
+
+ SYSCFG->CFGR1 &= ~SYSCFG_CFGR1_VBAT;
+}
+#endif /* STM32_ADC_USE_ADC */
+
+#endif /* HAL_USE_ADC */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F37x/adc_lld.h b/os/hal/ports/STM32/STM32F37x/adc_lld.h new file mode 100644 index 000000000..42cff6d61 --- /dev/null +++ b/os/hal/ports/STM32/STM32F37x/adc_lld.h @@ -0,0 +1,706 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F37x/adc_lld.h
+ * @brief STM32F37x ADC subsystem low level driver header.
+ *
+ * @addtogroup ADC
+ * @{
+ */
+
+#ifndef _ADC_LLD_H_
+#define _ADC_LLD_H_
+
+#if HAL_USE_ADC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Triggers selection
+ * @{
+ */
+#define ADC_CR2_EXTSEL_SRC(n) ((n) << 24) /**< @brief Trigger source. */
+/** @} */
+
+/**
+ * @name ADC clock divider settings
+ * @{
+ */
+#define ADC_CCR_ADCPRE_DIV2 0
+#define ADC_CCR_ADCPRE_DIV4 1
+#define ADC_CCR_ADCPRE_DIV6 2
+#define ADC_CCR_ADCPRE_DIV8 3
+/** @} */
+
+/**
+ * @name Available analog channels
+ * @{
+ */
+#define ADC_CHANNEL_IN0 0 /**< @brief External analog input 0. */
+#define ADC_CHANNEL_IN1 1 /**< @brief External analog input 1. */
+#define ADC_CHANNEL_IN2 2 /**< @brief External analog input 2. */
+#define ADC_CHANNEL_IN3 3 /**< @brief External analog input 3. */
+#define ADC_CHANNEL_IN4 4 /**< @brief External analog input 4. */
+#define ADC_CHANNEL_IN5 5 /**< @brief External analog input 5. */
+#define ADC_CHANNEL_IN6 6 /**< @brief External analog input 6. */
+#define ADC_CHANNEL_IN7 7 /**< @brief External analog input 7. */
+#define ADC_CHANNEL_IN8 8 /**< @brief External analog input 8. */
+#define ADC_CHANNEL_IN9 9 /**< @brief External analog input 9. */
+#define ADC_CHANNEL_IN10 10 /**< @brief External analog input 10. */
+#define ADC_CHANNEL_IN11 11 /**< @brief External analog input 11. */
+#define ADC_CHANNEL_IN12 12 /**< @brief External analog input 12. */
+#define ADC_CHANNEL_IN13 13 /**< @brief External analog input 13. */
+#define ADC_CHANNEL_IN14 14 /**< @brief External analog input 14. */
+#define ADC_CHANNEL_IN15 15 /**< @brief External analog input 15. */
+#define ADC_CHANNEL_SENSOR 16 /**< @brief Internal temperature sensor.*/
+#define ADC_CHANNEL_VREFINT 17 /**< @brief Internal reference. */
+#define ADC_CHANNEL_VBAT 18 /**< @brief VBAT. */
+/** @} */
+
+/**
+ * @name Sampling rates
+ * @{
+ */
+#define ADC_SAMPLE_1P5 0 /**< @brief 1.5 cycles sampling time. */
+#define ADC_SAMPLE_7P5 1 /**< @brief 7.5 cycles sampling time. */
+#define ADC_SAMPLE_13P5 2 /**< @brief 13.5 cycles sampling time. */
+#define ADC_SAMPLE_28P5 3 /**< @brief 28.5 cycles sampling time. */
+#define ADC_SAMPLE_41P5 4 /**< @brief 41.5 cycles sampling time. */
+#define ADC_SAMPLE_55P5 5 /**< @brief 55.5 cycles sampling time. */
+#define ADC_SAMPLE_71P5 6 /**< @brief 71.5 cycles sampling time. */
+#define ADC_SAMPLE_239P5 7 /**< @brief 239.5 cycles sampling time. */
+/** @} */
+
+/**
+ * @name SDADC JCHGR bit definitions
+ * @{
+ */
+#define SDADC_JCHG_MASK (511U << 0)
+#define SDADC_JCHG(n) (1U << (n))
+/** @} */
+
+/**
+ * @name SDADC channels definitions
+ * @{
+ */
+#define SDADC_CHANNEL_0 SDADC_JCHG(0)
+#define SDADC_CHANNEL_1 SDADC_JCHG(1)
+#define SDADC_CHANNEL_2 SDADC_JCHG(2)
+#define SDADC_CHANNEL_3 SDADC_JCHG(3)
+#define SDADC_CHANNEL_4 SDADC_JCHG(4)
+#define SDADC_CHANNEL_5 SDADC_JCHG(5)
+#define SDADC_CHANNEL_6 SDADC_JCHG(6)
+#define SDADC_CHANNEL_7 SDADC_JCHG(7)
+#define SDADC_CHANNEL_8 SDADC_JCHG(8)
+#define SDADC_CHANNEL_9 SDADC_JCHG(9)
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief ADC1 driver enable switch.
+ * @details If set to @p TRUE the support for ADC1 is included.
+ */
+#if !defined(STM32_ADC_USE_ADC1) || defined(__DOXYGEN__)
+#define STM32_ADC_USE_ADC1 FALSE
+#endif
+
+/**
+ * @brief SDADC1 driver enable switch.
+ * @details If set to @p TRUE the support for SDADC1 is included.
+ */
+#if !defined(STM32_ADC_USE_SDADC1) || defined(__DOXYGEN__)
+#define STM32_ADC_USE_SDADC1 FALSE
+#endif
+
+/**
+ * @brief SDADC2 driver enable switch.
+ * @details If set to @p TRUE the support for SDADC2 is included.
+ */
+#if !defined(STM32_ADC_USE_SDADC2) || defined(__DOXYGEN__)
+#define STM32_ADC_USE_SDADC2 FALSE
+#endif
+
+/**
+ * @brief SDADC3 driver enable switch.
+ * @details If set to @p TRUE the support for SDADC3 is included.
+ */
+#if !defined(STM32_ADC_USE_SDADC3) || defined(__DOXYGEN__)
+#define STM32_ADC_USE_SDADC3 FALSE
+#endif
+
+/**
+ * @brief ADC1 DMA priority (0..3|lowest..highest).
+ */
+#if !defined(STM32_ADC_ADC1_DMA_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC1_DMA_PRIORITY 2
+#endif
+
+/**
+ * @brief SDADC1 DMA priority (0..3|lowest..highest).
+ */
+#if !defined(STM32_ADC_SDADC1_DMA_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_SDADC1_DMA_PRIORITY 2
+#endif
+
+/**
+ * @brief SDADC2 DMA priority (0..3|lowest..highest).
+ */
+#if !defined(STM32_ADC_SDADC2_DMA_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_SDADC2_DMA_PRIORITY 2
+#endif
+
+/**
+ * @brief SDADC3 DMA priority (0..3|lowest..highest).
+ */
+#if !defined(STM32_ADC_SDADC3_DMA_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_SDADC3_DMA_PRIORITY 2
+#endif
+
+/**
+ * @brief ADC interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_ADC1_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC1_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief ADC DMA interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_ADC1_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief SDADC1 interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_SDADC1_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_SDADC1_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief SDADC2 interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_SDADC2_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_SDADC2_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief SDADC3 interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_SDADC3_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_SDADC3_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief SDADC1 DMA interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_SDADC1_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_SDADC1_DMA_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief SDADC2 DMA interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_SDADC2_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_SDADC2_DMA_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief SDADC3 DMA interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_SDADC3_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_SDADC3_DMA_IRQ_PRIORITY 5
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/**
+ * @brief At least an ADC unit is in use.
+ */
+#define STM32_ADC_USE_ADC STM32_ADC_USE_ADC1
+
+/**
+ * @brief At least an SDADC unit is in use.
+ */
+#define STM32_ADC_USE_SDADC (STM32_ADC_USE_SDADC1 || \
+ STM32_ADC_USE_SDADC2 || \
+ STM32_ADC_USE_SDADC3)
+
+#if STM32_ADC_USE_ADC1 && !STM32_HAS_ADC1
+#error "ADC1 not present in the selected device"
+#endif
+
+#if STM32_ADC_USE_SDADC1 && !STM32_HAS_SDADC1
+#error "SDADC1 not present in the selected device"
+#endif
+
+#if STM32_ADC_USE_SDADC2 && !STM32_HAS_SDADC2
+#error "SDADC2 not present in the selected device"
+#endif
+
+#if STM32_ADC_USE_SDADC3 && !STM32_HAS_SDADC3
+#error "SDADC3 not present in the selected device"
+#endif
+
+#if !STM32_ADC_USE_ADC && !STM32_ADC_USE_SDADC
+#error "ADC driver activated but no ADC/SDADC peripheral assigned"
+#endif
+
+#if STM32_ADC_USE_ADC1 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC1_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to ADC1"
+#endif
+
+#if STM32_ADC_USE_ADC1 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC1_DMA_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to ADC1 DMA"
+#endif
+
+#if STM32_ADC_USE_ADC1 && \
+ !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC1_DMA_PRIORITY)
+#error "Invalid DMA priority assigned to ADC1"
+#endif
+
+#if STM32_ADC_USE_SDADC1 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_SDADC1_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to SDADC1"
+#endif
+
+#if STM32_ADC_USE_SDADC1 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_SDADC1_DMA_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to SDADC1 DMA"
+#endif
+
+#if STM32_ADC_USE_SDADC1 && \
+ !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_SDADC1_DMA_PRIORITY)
+#error "Invalid DMA priority assigned to SDADC1"
+#endif
+
+#if STM32_ADC_USE_SDADC2 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_SDADC2_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to SDADC2"
+#endif
+
+#if STM32_ADC_USE_SDADC2 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_SDADC2_DMA_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to SDADC2 DMA"
+#endif
+
+#if STM32_ADC_USE_SDADC2 && \
+ !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_SDADC2_DMA_PRIORITY)
+#error "Invalid DMA priority assigned to SDADC2"
+#endif
+
+#if STM32_ADC_USE_SDADC3 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_SDADC3_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to SDADC3"
+#endif
+
+#if STM32_ADC_USE_SDADC3 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_SDADC3_DMA_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to SDADC3 DMA"
+#endif
+
+#if STM32_ADC_USE_SDADC3 && \
+ !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_SDADC3_DMA_PRIORITY)
+#error "Invalid DMA priority assigned to SDADC3"
+#endif
+
+#if !defined(STM32_DMA_REQUIRED)
+#define STM32_DMA_REQUIRED
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief ADC sample data type.
+ */
+typedef uint16_t adcsample_t;
+
+/**
+ * @brief Channels number in a conversion group.
+ */
+typedef uint16_t adc_channels_num_t;
+
+/**
+ * @brief Possible ADC failure causes.
+ * @note Error codes are architecture dependent and should not relied
+ * upon.
+ */
+typedef enum {
+ ADC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */
+ ADC_ERR_OVERFLOW = 1, /**< ADC overflow condition. */
+ ADC_ERR_AWD1 = 2 /**< Watchdog 1 triggered. */
+} adcerror_t;
+
+/**
+ * @brief Type of a structure representing an ADC driver.
+ */
+typedef struct ADCDriver ADCDriver;
+
+/**
+ * @brief ADC notification callback type.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object triggering the
+ * callback
+ * @param[in] buffer pointer to the most recent samples data
+ * @param[in] n number of buffer rows available starting from @p buffer
+ */
+typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n);
+
+/**
+ * @brief ADC error callback type.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object triggering the
+ * callback
+ * @param[in] err ADC error code
+ */
+typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err);
+
+/**
+ * @brief Conversion group configuration structure.
+ * @details This implementation-dependent structure describes a conversion
+ * operation.
+ * @note The use of this configuration structure requires knowledge of
+ * STM32 ADC cell registers interface, please refer to the STM32
+ * reference manual for details.
+ */
+typedef struct {
+ /**
+ * @brief Enables the circular buffer mode for the group.
+ */
+ bool circular;
+ /**
+ * @brief Number of the analog channels belonging to the conversion group.
+ */
+ adc_channels_num_t num_channels;
+ /**
+ * @brief Callback function associated to the group or @p NULL.
+ */
+ adccallback_t end_cb;
+ /**
+ * @brief Error callback or @p NULL.
+ */
+ adcerrorcallback_t error_cb;
+ /* End of the mandatory fields.*/
+
+ /**
+ * @brief Union of ADC and SDADC config parms. The decision of which struct
+ * union to use is determined by the ADCDriver. If the ADCDriver adc parm
+ * is not NULL, then use the adc struct, otherwise if the ADCDriver sdadc parm
+ * is not NULL, then use the sdadc struct.
+ */
+ union {
+#if STM32_ADC_USE_ADC || defined(__DOXYGEN__)
+ struct {
+ /**
+ * @brief ADC CR1 register initialization data.
+ * @note All the required bits must be defined into this field except
+ * @p ADC_CR1_SCAN that is enforced inside the driver.
+ */
+ uint32_t cr1;
+ /**
+ * @brief ADC CR2 register initialization data.
+ * @note All the required bits must be defined into this field except
+ * @p ADC_CR2_DMA, @p ADC_CR2_CONT and @p ADC_CR2_ADON that are
+ * enforced inside the driver.
+ */
+ uint32_t cr2;
+ /**
+ * @brief ADC LTR register initialization data.
+ */
+ uint32_t ltr;
+ /**
+ * @brief ADC HTR register initialization data.
+ */
+ uint32_t htr;
+ /**
+ * @brief ADC SMPRx registers initialization data.
+ */
+ uint32_t smpr[2];
+ /**
+ * @brief ADC SQRx register initialization data.
+ */
+ uint32_t sqr[3];
+ } adc;
+#endif /* STM32_ADC_USE_ADC */
+#if STM32_ADC_USE_SDADC || defined(__DOXYGEN__)
+ struct {
+ /**
+ * @brief SDADC CR2 register initialization data.
+ * @note Only the @p SDADC_CR2_JSWSTART, @p SDADC_CR2_JEXTSEL
+ * and @p SDADC_CR2_JEXTEN can be specified in this field.
+ */
+ uint32_t cr2;
+ /**
+ * @brief SDADC JCHGR register initialization data.
+ */
+ uint32_t jchgr;
+ /**
+ * @brief SDADC CONFCHxR registers initialization data.
+ */
+ uint32_t confchr[2];
+ } sdadc;
+#endif /* STM32_ADC_USE_SDADC */
+ } u;
+} ADCConversionGroup;
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+typedef struct {
+#if STM32_ADC_USE_SDADC
+ /**
+ * @brief SDADC CR1 register initialization data.
+ */
+ uint32_t cr1;
+ /**
+ * @brief SDADC CONFxR registers initialization data.
+ */
+ uint32_t confxr[3];
+#else /* !STM32_ADC_USE_SDADC */
+ uint32_t dummy;
+#endif /* !STM32_ADC_USE_SDADC */
+} ADCConfig;
+
+/**
+ * @brief Structure representing an ADC driver.
+ */
+struct ADCDriver {
+ /**
+ * @brief Driver state.
+ */
+ adcstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const ADCConfig *config;
+ /**
+ * @brief Current samples buffer pointer or @p NULL.
+ */
+ adcsample_t *samples;
+ /**
+ * @brief Current samples buffer depth or @p 0.
+ */
+ size_t depth;
+ /**
+ * @brief Current conversion group pointer or @p NULL.
+ */
+ const ADCConversionGroup *grpp;
+#if ADC_USE_WAIT || defined(__DOXYGEN__)
+ /**
+ * @brief Waiting thread.
+ */
+ thread_reference_t thread;
+#endif
+#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
+ /**
+ * @brief Mutex protecting the peripheral.
+ */
+ mutex_t mutex;
+#endif /* ADC_USE_MUTUAL_EXCLUSION */
+#if defined(ADC_DRIVER_EXT_FIELDS)
+ ADC_DRIVER_EXT_FIELDS
+#endif
+ /* End of the mandatory fields.*/
+#if STM32_ADC_USE_ADC || defined(__DOXYGEN__)
+ /**
+ * @brief Pointer to the ADCx registers block.
+ */
+ ADC_TypeDef *adc;
+#endif
+#if STM32_ADC_USE_SDADC || defined(__DOXYGEN__)
+ /**
+ * @brief Pointer to the SDADCx registers block.
+ */
+ SDADC_TypeDef *sdadc;
+#endif
+ /**
+ * @brief Pointer to associated DMA channel.
+ */
+ const stm32_dma_stream_t *dmastp;
+ /**
+ * @brief DMA mode bit mask.
+ */
+ uint32_t dmamode;
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Sequences building helper macros for ADC
+ * @{
+ */
+/**
+ * @brief Number of channels in a conversion sequence.
+ */
+#define ADC_SQR1_NUM_CH(n) (((n) - 1) << 20)
+#define ADC_SQR1_SQ13_N(n) ((n) << 0) /**< @brief 13th channel in seq.*/
+#define ADC_SQR1_SQ14_N(n) ((n) << 5) /**< @brief 14th channel in seq.*/
+#define ADC_SQR1_SQ15_N(n) ((n) << 10) /**< @brief 15th channel in seq.*/
+#define ADC_SQR1_SQ16_N(n) ((n) << 15) /**< @brief 16th channel in seq.*/
+
+#define ADC_SQR2_SQ7_N(n) ((n) << 0) /**< @brief 7th channel in seq. */
+#define ADC_SQR2_SQ8_N(n) ((n) << 5) /**< @brief 8th channel in seq. */
+#define ADC_SQR2_SQ9_N(n) ((n) << 10) /**< @brief 9th channel in seq. */
+#define ADC_SQR2_SQ10_N(n) ((n) << 15) /**< @brief 10th channel in seq.*/
+#define ADC_SQR2_SQ11_N(n) ((n) << 20) /**< @brief 11th channel in seq.*/
+#define ADC_SQR2_SQ12_N(n) ((n) << 25) /**< @brief 12th channel in seq.*/
+
+#define ADC_SQR3_SQ1_N(n) ((n) << 0) /**< @brief 1st channel in seq. */
+#define ADC_SQR3_SQ2_N(n) ((n) << 5) /**< @brief 2nd channel in seq. */
+#define ADC_SQR3_SQ3_N(n) ((n) << 10) /**< @brief 3rd channel in seq. */
+#define ADC_SQR3_SQ4_N(n) ((n) << 15) /**< @brief 4th channel in seq. */
+#define ADC_SQR3_SQ5_N(n) ((n) << 20) /**< @brief 5th channel in seq. */
+#define ADC_SQR3_SQ6_N(n) ((n) << 25) /**< @brief 6th channel in seq. */
+/** @} */
+
+/**
+ * @name Sampling rate settings helper macros
+ * @{
+ */
+#define ADC_SMPR2_SMP_AN0(n) ((n) << 0) /**< @brief AN0 sampling time. */
+#define ADC_SMPR2_SMP_AN1(n) ((n) << 3) /**< @brief AN1 sampling time. */
+#define ADC_SMPR2_SMP_AN2(n) ((n) << 6) /**< @brief AN2 sampling time. */
+#define ADC_SMPR2_SMP_AN3(n) ((n) << 9) /**< @brief AN3 sampling time. */
+#define ADC_SMPR2_SMP_AN4(n) ((n) << 12) /**< @brief AN4 sampling time. */
+#define ADC_SMPR2_SMP_AN5(n) ((n) << 15) /**< @brief AN5 sampling time. */
+#define ADC_SMPR2_SMP_AN6(n) ((n) << 18) /**< @brief AN6 sampling time. */
+#define ADC_SMPR2_SMP_AN7(n) ((n) << 21) /**< @brief AN7 sampling time. */
+#define ADC_SMPR2_SMP_AN8(n) ((n) << 24) /**< @brief AN8 sampling time. */
+#define ADC_SMPR2_SMP_AN9(n) ((n) << 27) /**< @brief AN9 sampling time. */
+
+#define ADC_SMPR1_SMP_AN10(n) ((n) << 0) /**< @brief AN10 sampling time. */
+#define ADC_SMPR1_SMP_AN11(n) ((n) << 3) /**< @brief AN11 sampling time. */
+#define ADC_SMPR1_SMP_AN12(n) ((n) << 6) /**< @brief AN12 sampling time. */
+#define ADC_SMPR1_SMP_AN13(n) ((n) << 9) /**< @brief AN13 sampling time. */
+#define ADC_SMPR1_SMP_AN14(n) ((n) << 12) /**< @brief AN14 sampling time. */
+#define ADC_SMPR1_SMP_AN15(n) ((n) << 15) /**< @brief AN15 sampling time. */
+#define ADC_SMPR1_SMP_SENSOR(n) ((n) << 18) /**< @brief Temperature Sensor
+ sampling time. */
+#define ADC_SMPR1_SMP_VREF(n) ((n) << 21) /**< @brief Voltage Reference
+ sampling time. */
+#define ADC_SMPR1_SMP_VBAT(n) ((n) << 24) /**< @brief VBAT sampling time. */
+/** @} */
+
+/**
+ * @name Sequences building helper macros for SDADC
+ * @{
+ */
+#define SDADC_JCHGR_CH(n) (1U << (n))
+/** @} */
+
+/**
+ * @name Channel configuration number helper macros for SDADC
+ * @{
+ */
+#define SDADC_CONFCHR1_CH0(n) ((n) << 0)
+#define SDADC_CONFCHR1_CH1(n) ((n) << 4)
+#define SDADC_CONFCHR1_CH2(n) ((n) << 8)
+#define SDADC_CONFCHR1_CH3(n) ((n) << 12)
+#define SDADC_CONFCHR1_CH4(n) ((n) << 16)
+#define SDADC_CONFCHR1_CH5(n) ((n) << 20)
+#define SDADC_CONFCHR1_CH6(n) ((n) << 24)
+#define SDADC_CONFCHR1_CH7(n) ((n) << 28)
+#define SDADC_CONFCHR2_CH8(n) ((n) << 0)
+/** @} */
+
+/**
+ * @name Configuration registers helper macros for SDADC
+ * @{
+ */
+#define SDADC_CONFR_OFFSET_MASK (0xFFFU << 0)
+#define SDADC_CONFR_OFFSET(n) ((n) << 0)
+#define SDADC_CONFR_GAIN_MASK (7U << 20)
+#define SDADC_CONFR_GAIN_1X (0U << 20)
+#define SDADC_CONFR_GAIN_2X (1U << 20)
+#define SDADC_CONFR_GAIN_4X (2U << 20)
+#define SDADC_CONFR_GAIN_8X (3U << 20)
+#define SDADC_CONFR_GAIN_16X (4U << 20)
+#define SDADC_CONFR_GAIN_32X (5U << 20)
+#define SDADC_CONFR_GAIN_0P5X (7U << 20)
+#define SDADC_CONFR_SE_MASK (3U << 26)
+#define SDADC_CONFR_SE_DIFF (0U << 26)
+#define SDADC_CONFR_SE_OFFSET (1U << 26)
+#define SDADC_CONFR_SE_ZERO_VOLT (3U << 26)
+#define SDADC_CONFR_COMMON_MASK (3U << 30)
+#define SDADC_CONFR_COMMON_VSSSD (0U << 30)
+#define SDADC_CONFR_COMMON_VDDSD2 (1U << 30)
+#define SDADC_CONFR_COMMON_VDDSD (2U << 30)
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 && !defined(__DOXYGEN__)
+extern ADCDriver ADCD1;
+#endif
+
+#if STM32_ADC_USE_SDADC1 && !defined(__DOXYGEN__)
+extern ADCDriver SDADCD1;
+#endif
+
+#if STM32_ADC_USE_SDADC2 && !defined(__DOXYGEN__)
+extern ADCDriver SDADCD2;
+#endif
+
+#if STM32_ADC_USE_SDADC3 && !defined(__DOXYGEN__)
+extern ADCDriver SDADCD3;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void adc_lld_init(void);
+ void adc_lld_start(ADCDriver *adcp);
+ void adc_lld_stop(ADCDriver *adcp);
+ void adc_lld_start_conversion(ADCDriver *adcp);
+ void adc_lld_stop_conversion(ADCDriver *adcp);
+ void adcSTM32Calibrate(ADCDriver *adcdp);
+#if STM32_ADC_USE_ADC
+ void adcSTM32EnableTSVREFE(void);
+ void adcSTM32DisableTSVREFE(void);
+ void adcSTM32EnableVBATE(void);
+ void adcSTM32DisableVBATE(void);
+#endif /* STM32_ADC_USE_ADC */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_ADC */
+
+#endif /* _ADC_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F37x/ext_lld_isr.c b/os/hal/ports/STM32/STM32F37x/ext_lld_isr.c new file mode 100644 index 000000000..642f6f8c4 --- /dev/null +++ b/os/hal/ports/STM32/STM32F37x/ext_lld_isr.c @@ -0,0 +1,352 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F37x/ext_lld_isr.c
+ * @brief STM32F37x EXT subsystem low level driver ISR code.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+#include "ext_lld_isr.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+#if !defined(STM32_DISABLE_EXTI0_HANDLER)
+/**
+ * @brief EXTI[0] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector58) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 0);
+ EXTD1.config->channels[0].cb(&EXTD1, 0);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI1_HANDLER)
+/**
+ * @brief EXTI[1] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector5C) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 1);
+ EXTD1.config->channels[1].cb(&EXTD1, 1);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI2_HANDLER)
+/**
+ * @brief EXTI[2] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector60) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 2);
+ EXTD1.config->channels[2].cb(&EXTD1, 2);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI3_HANDLER)
+/**
+ * @brief EXTI[3] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector64) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 3);
+ EXTD1.config->channels[3].cb(&EXTD1, 3);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI4_HANDLER)
+/**
+ * @brief EXTI[4] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector68) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 4);
+ EXTD1.config->channels[4].cb(&EXTD1, 4);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI5_9_HANDLER)
+/**
+ * @brief EXTI[5]...EXTI[9] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector9C) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9));
+ EXTI->PR = pr;
+ if (pr & (1 << 5))
+ EXTD1.config->channels[5].cb(&EXTD1, 5);
+ if (pr & (1 << 6))
+ EXTD1.config->channels[6].cb(&EXTD1, 6);
+ if (pr & (1 << 7))
+ EXTD1.config->channels[7].cb(&EXTD1, 7);
+ if (pr & (1 << 8))
+ EXTD1.config->channels[8].cb(&EXTD1, 8);
+ if (pr & (1 << 9))
+ EXTD1.config->channels[9].cb(&EXTD1, 9);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI10_15_HANDLER)
+/**
+ * @brief EXTI[10]...EXTI[15] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE0) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) | (1 << 14) |
+ (1 << 15));
+ EXTI->PR = pr;
+ if (pr & (1 << 10))
+ EXTD1.config->channels[10].cb(&EXTD1, 10);
+ if (pr & (1 << 11))
+ EXTD1.config->channels[11].cb(&EXTD1, 11);
+ if (pr & (1 << 12))
+ EXTD1.config->channels[12].cb(&EXTD1, 12);
+ if (pr & (1 << 13))
+ EXTD1.config->channels[13].cb(&EXTD1, 13);
+ if (pr & (1 << 14))
+ EXTD1.config->channels[14].cb(&EXTD1, 14);
+ if (pr & (1 << 15))
+ EXTD1.config->channels[15].cb(&EXTD1, 15);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI16_HANDLER)
+/**
+ * @brief EXTI[16] interrupt handler (PVD).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector44) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 16);
+ EXTD1.config->channels[16].cb(&EXTD1, 16);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI17_HANDLER)
+/**
+ * @brief EXTI[17] interrupt handler (RTC Alarm).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE4) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 17);
+ EXTD1.config->channels[17].cb(&EXTD1, 17);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI18_HANDLER)
+/**
+ * @brief EXTI[18] interrupt handler (USB Wakeup).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE8) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 18);
+ EXTD1.config->channels[18].cb(&EXTD1, 18);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI19_HANDLER)
+/**
+ * @brief EXTI[19] interrupt handler (Tamper TimeStamp).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector48) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 19);
+ EXTD1.config->channels[19].cb(&EXTD1, 19);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI20_HANDLER)
+/**
+ * @brief EXTI[20] interrupt handler (RTC Wakeup).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector4C) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 20);
+ EXTD1.config->channels[20].cb(&EXTD1, 20);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI21_22_HANDLER)
+/**
+ * @brief EXTI[21]..EXTI[22] interrupt handler (COMP1, COMP2).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector140) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 21) | (1 << 22));
+ EXTI->PR = pr;
+ if (pr & (1 << 21))
+ EXTD1.config->channels[21].cb(&EXTD1, 21);
+ if (pr & (1 << 22))
+ EXTD1.config->channels[22].cb(&EXTD1, 22);
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Enables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_enable(void) {
+
+ nvicEnableVector(EXTI0_IRQn, STM32_EXT_EXTI0_IRQ_PRIORITY);
+ nvicEnableVector(EXTI1_IRQn, STM32_EXT_EXTI1_IRQ_PRIORITY);
+ nvicEnableVector(EXTI2_TS_IRQn, STM32_EXT_EXTI2_IRQ_PRIORITY);
+ nvicEnableVector(EXTI3_IRQn, STM32_EXT_EXTI3_IRQ_PRIORITY);
+ nvicEnableVector(EXTI4_IRQn, STM32_EXT_EXTI4_IRQ_PRIORITY);
+ nvicEnableVector(EXTI9_5_IRQn, STM32_EXT_EXTI5_9_IRQ_PRIORITY);
+ nvicEnableVector(EXTI15_10_IRQn, STM32_EXT_EXTI10_15_IRQ_PRIORITY);
+ nvicEnableVector(PVD_IRQn, STM32_EXT_EXTI16_IRQ_PRIORITY);
+ nvicEnableVector(RTC_Alarm_IRQn, STM32_EXT_EXTI17_IRQ_PRIORITY);
+ nvicEnableVector(USBWakeUp_IRQn, STM32_EXT_EXTI18_IRQ_PRIORITY);
+ nvicEnableVector(TAMPER_STAMP_IRQn, STM32_EXT_EXTI19_IRQ_PRIORITY);
+ nvicEnableVector(RTC_WKUP_IRQn, STM32_EXT_EXTI20_IRQ_PRIORITY);
+ nvicEnableVector(COMP_IRQn, STM32_EXT_EXTI21_22_IRQ_PRIORITY);
+}
+
+/**
+ * @brief Disables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_disable(void) {
+
+ nvicDisableVector(EXTI0_IRQn);
+ nvicDisableVector(EXTI1_IRQn);
+ nvicDisableVector(EXTI2_TS_IRQn);
+ nvicDisableVector(EXTI3_IRQn);
+ nvicDisableVector(EXTI4_IRQn);
+ nvicDisableVector(EXTI9_5_IRQn);
+ nvicDisableVector(EXTI15_10_IRQn);
+ nvicDisableVector(PVD_IRQn);
+ nvicDisableVector(RTC_Alarm_IRQn);
+ nvicDisableVector(USBWakeUp_IRQn);
+ nvicDisableVector(TAMPER_STAMP_IRQn);
+ nvicDisableVector(RTC_WKUP_IRQn);
+ nvicDisableVector(COMP_IRQn);
+}
+
+#endif /* HAL_USE_EXT */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F37x/ext_lld_isr.h b/os/hal/ports/STM32/STM32F37x/ext_lld_isr.h new file mode 100644 index 000000000..088012dc0 --- /dev/null +++ b/os/hal/ports/STM32/STM32F37x/ext_lld_isr.h @@ -0,0 +1,163 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F37x/ext_lld_isr.h
+ * @brief STM32F37x EXT subsystem low level driver ISR header.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#ifndef _EXT_LLD_ISR_H_
+#define _EXT_LLD_ISR_H_
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief EXTI0 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI0_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI0_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI1 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI1_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI1_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI2 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI2_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI2_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI3 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI3_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI3_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI4 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI4_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI4_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI5..9 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI5_9_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI5_9_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI10..15 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI10_15_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI10_15_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI16 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI16_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI16_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI17 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI17_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI17_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI18 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI18_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI19 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI19_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI20 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI20_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI21..22 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI21_22_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI21_22_IRQ_PRIORITY 6
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void ext_lld_exti_irq_enable(void);
+ void ext_lld_exti_irq_disable(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_EXT */
+
+#endif /* _EXT_LLD_ISR_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F37x/hal_lld.c b/os/hal/ports/STM32/STM32F37x/hal_lld.c new file mode 100644 index 000000000..a34b11546 --- /dev/null +++ b/os/hal/ports/STM32/STM32F37x/hal_lld.c @@ -0,0 +1,193 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F37x/hal_lld.c
+ * @brief STM32F37x HAL subsystem low level driver source.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#include "hal.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Initializes the backup domain.
+ * @note WARNING! Changing clock source impossible without resetting
+ * of the whole BKP domain.
+ */
+static void hal_lld_backup_domain_init(void) {
+
+ /* Backup domain access enabled and left open.*/
+ PWR->CR |= PWR_CR_DBP;
+
+ /* Reset BKP domain if different clock source selected.*/
+ if ((RCC->BDCR & STM32_RTCSEL_MASK) != STM32_RTCSEL){
+ /* Backup domain reset.*/
+ RCC->BDCR = RCC_BDCR_BDRST;
+ RCC->BDCR = 0;
+ }
+
+ /* If enabled then the LSE is started.*/
+#if STM32_LSE_ENABLED
+#if defined(STM32_LSE_BYPASS)
+ /* LSE Bypass.*/
+ RCC->BDCR |= STM32_LSEDRV | RCC_BDCR_LSEON | RCC_BDCR_LSEBYP;
+#else
+ /* No LSE Bypass.*/
+ RCC->BDCR |= STM32_LSEDRV | RCC_BDCR_LSEON;
+#endif
+ while ((RCC->BDCR & RCC_BDCR_LSERDY) == 0)
+ ; /* Waits until LSE is stable. */
+#endif
+
+#if STM32_RTCSEL != STM32_RTCSEL_NOCLOCK
+ /* If the backup domain hasn't been initialized yet then proceed with
+ initialization.*/
+ if ((RCC->BDCR & RCC_BDCR_RTCEN) == 0) {
+ /* Selects clock source.*/
+ RCC->BDCR |= STM32_RTCSEL;
+
+ /* RTC clock enabled.*/
+ RCC->BDCR |= RCC_BDCR_RTCEN;
+ }
+#endif /* STM32_RTCSEL != STM32_RTCSEL_NOCLOCK */
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level HAL driver initialization.
+ *
+ * @notapi
+ */
+void hal_lld_init(void) {
+
+ /* Reset of all peripherals.*/
+ rccResetAPB1(0xFFFFFFFF);
+ rccResetAPB2(0xFFFFFFFF);
+
+ /* PWR clock enabled.*/
+ rccEnablePWRInterface(FALSE);
+
+ /* Initializes the backup domain.*/
+ hal_lld_backup_domain_init();
+
+#if defined(STM32_DMA_REQUIRED)
+ dmaInit();
+#endif
+
+ /* Programmable voltage detector enable.*/
+#if STM32_PVD_ENABLE
+ PWR->CR |= PWR_CR_PVDE | (STM32_PLS & STM32_PLS_MASK);
+#endif /* STM32_PVD_ENABLE */
+
+ /* SYSCFG clock enabled here because it is a multi-functional unit shared
+ among multiple drivers.*/
+ rccEnableAPB2(RCC_APB2ENR_SYSCFGEN, TRUE);
+}
+
+/**
+ * @brief STM32 clocks and PLL initialization.
+ * @note All the involved constants come from the file @p board.h.
+ * @note This function should be invoked just after the system reset.
+ *
+ * @special
+ */
+void stm32_clock_init(void) {
+
+#if !STM32_NO_INIT
+ /* HSI setup, it enforces the reset situation in order to handle possible
+ problems with JTAG probes and re-initializations.*/
+ RCC->CR |= RCC_CR_HSION; /* Make sure HSI is ON. */
+ while (!(RCC->CR & RCC_CR_HSIRDY))
+ ; /* Wait until HSI is stable. */
+ RCC->CR &= RCC_CR_HSITRIM | RCC_CR_HSION; /* CR Reset value. */
+ RCC->CFGR = 0; /* CFGR reset value. */
+ while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI)
+ ; /* Waits until HSI is selected. */
+
+#if STM32_HSE_ENABLED
+ /* HSE activation.*/
+#if defined(STM32_HSE_BYPASS)
+ /* HSE Bypass.*/
+ RCC->CR |= RCC_CR_HSEON | RCC_CR_HSEBYP;
+#else
+ /* No HSE Bypass.*/
+ RCC->CR |= RCC_CR_HSEON;
+#endif
+ while (!(RCC->CR & RCC_CR_HSERDY))
+ ; /* Waits until HSE is stable. */
+#endif
+
+#if STM32_LSI_ENABLED
+ /* LSI activation.*/
+ RCC->CSR |= RCC_CSR_LSION;
+ while ((RCC->CSR & RCC_CSR_LSIRDY) == 0)
+ ; /* Waits until LSI is stable. */
+#endif
+
+ /* Clock settings.*/
+ RCC->CFGR = STM32_SDPRE | STM32_MCOSEL | STM32_USBPRE |
+ STM32_PLLMUL | STM32_PLLSRC | STM32_ADCPRE |
+ STM32_PPRE1 | STM32_PPRE2 | STM32_HPRE;
+ RCC->CFGR2 = STM32_PREDIV;
+ RCC->CFGR3 = STM32_USART3SW | STM32_USART2SW | STM32_I2C2SW |
+ STM32_I2C1SW | STM32_USART1SW;
+
+#if STM32_ACTIVATE_PLL
+ /* PLL activation.*/
+ RCC->CR |= RCC_CR_PLLON;
+ while (!(RCC->CR & RCC_CR_PLLRDY))
+ ; /* Waits until PLL is stable. */
+#endif
+
+ /* Flash setup and final clock selection. */
+ FLASH->ACR = STM32_FLASHBITS;
+
+ /* Switching to the configured clock source if it is different from HSI.*/
+#if (STM32_SW != STM32_SW_HSI)
+ /* Switches clock source.*/
+ RCC->CFGR |= STM32_SW;
+ while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
+ ; /* Waits selection complete. */
+#endif
+#endif /* !STM32_NO_INIT */
+}
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F37x/hal_lld.h b/os/hal/ports/STM32/STM32F37x/hal_lld.h new file mode 100644 index 000000000..1135b2f3e --- /dev/null +++ b/os/hal/ports/STM32/STM32F37x/hal_lld.h @@ -0,0 +1,987 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F37x/hal_lld.h
+ * @brief STM32F37x HAL subsystem low level driver header.
+ * @pre This module requires the following macros to be defined in the
+ * @p board.h file:
+ * - STM32_LSECLK.
+ * - STM32_LSEDRV.
+ * - STM32_LSE_BYPASS (optionally).
+ * - STM32_HSECLK.
+ * - STM32_HSE_BYPASS (optionally).
+ * .
+ * One of the following macros must also be defined:
+ * - STM32F37X for Analog & DSP devices.
+ * .
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _HAL_LLD_H_
+#define _HAL_LLD_H_
+
+#include "stm32_registry.h"
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Platform identification
+ * @{
+ */
+#define PLATFORM_NAME "STM32F37x Analog & DSP"
+/** @} */
+
+/**
+ * @name Absolute Maximum Ratings
+ * @{
+ */
+/**
+ * @brief Maximum system clock frequency.
+ */
+#define STM32_SYSCLK_MAX 72000000
+
+/**
+ * @brief Maximum HSE clock frequency.
+ */
+#define STM32_HSECLK_MAX 32000000
+
+/**
+ * @brief Minimum HSE clock frequency.
+ */
+#define STM32_HSECLK_MIN 1000000
+
+/**
+ * @brief Maximum LSE clock frequency.
+ */
+#define STM32_LSECLK_MAX 1000000
+
+/**
+ * @brief Minimum LSE clock frequency.
+ */
+#define STM32_LSECLK_MIN 32768
+
+/**
+ * @brief Maximum PLLs input clock frequency.
+ */
+#define STM32_PLLIN_MAX 24000000
+
+/**
+ * @brief Minimum PLLs input clock frequency.
+ */
+#define STM32_PLLIN_MIN 1000000
+
+/**
+ * @brief Maximum PLL output clock frequency.
+ */
+#define STM32_PLLOUT_MAX 72000000
+
+/**
+ * @brief Maximum PLL output clock frequency.
+ */
+#define STM32_PLLOUT_MIN 16000000
+
+/**
+ * @brief Maximum APB1 clock frequency.
+ */
+#define STM32_PCLK1_MAX 36000000
+
+/**
+ * @brief Maximum APB2 clock frequency.
+ */
+#define STM32_PCLK2_MAX 72000000
+
+/**
+ * @brief Maximum ADC clock frequency.
+ */
+#define STM32_ADCCLK_MAX 14000000
+
+/**
+ * @brief Minimum ADC clock frequency.
+ */
+#define STM32_ADCCLK_MIN 6000000
+
+/**
+ * @brief Maximum SDADC clock frequency in fast mode.
+ */
+#define STM32_SDADCCLK_FAST_MAX 6000000
+
+/**
+ * @brief Maximum SDADC clock frequency in slow mode.
+ */
+#define STM32_SDADCCLK_SLOW_MAX 1500000
+
+/**
+ * @brief Minimum SDADC clock frequency.
+ */
+#define STM32_SDADCCLK_MIN 500000
+/** @} */
+
+/**
+ * @name Internal clock sources
+ * @{
+ */
+#define STM32_HSICLK 8000000 /**< High speed internal clock. */
+#define STM32_LSICLK 40000 /**< Low speed internal clock. */
+/** @} */
+
+/**
+ * @name PWR_CR register bits definitions
+ * @{
+ */
+#define STM32_PLS_MASK (7U << 5) /**< PLS bits mask. */
+#define STM32_PLS_LEV0 (0U << 5) /**< PVD level 0. */
+#define STM32_PLS_LEV1 (1U << 5) /**< PVD level 1. */
+#define STM32_PLS_LEV2 (2U << 5) /**< PVD level 2. */
+#define STM32_PLS_LEV3 (3U << 5) /**< PVD level 3. */
+#define STM32_PLS_LEV4 (4U << 5) /**< PVD level 4. */
+#define STM32_PLS_LEV5 (5U << 5) /**< PVD level 5. */
+#define STM32_PLS_LEV6 (6U << 5) /**< PVD level 6. */
+#define STM32_PLS_LEV7 (7U << 5) /**< PVD level 7. */
+/** @} */
+
+/**
+ * @name RCC_CFGR register bits definitions
+ * @{
+ */
+#define STM32_SW_HSI (0U << 0) /**< SYSCLK source is HSI. */
+#define STM32_SW_HSE (1U << 0) /**< SYSCLK source is HSE. */
+#define STM32_SW_PLL (2U << 0) /**< SYSCLK source is PLL. */
+
+#define STM32_HPRE_DIV1 (0U << 4) /**< SYSCLK divided by 1. */
+#define STM32_HPRE_DIV2 (8u << 4) /**< SYSCLK divided by 2. */
+#define STM32_HPRE_DIV4 (9U << 4) /**< SYSCLK divided by 4. */
+#define STM32_HPRE_DIV8 (10U << 4) /**< SYSCLK divided by 8. */
+#define STM32_HPRE_DIV16 (11U << 4) /**< SYSCLK divided by 16. */
+#define STM32_HPRE_DIV64 (12U << 4) /**< SYSCLK divided by 64. */
+#define STM32_HPRE_DIV128 (13U << 4) /**< SYSCLK divided by 128. */
+#define STM32_HPRE_DIV256 (14U << 4) /**< SYSCLK divided by 256. */
+#define STM32_HPRE_DIV512 (15U << 4) /**< SYSCLK divided by 512. */
+
+#define STM32_PPRE1_DIV1 (0U << 8) /**< HCLK divided by 1. */
+#define STM32_PPRE1_DIV2 (4U << 8) /**< HCLK divided by 2. */
+#define STM32_PPRE1_DIV4 (5U << 8) /**< HCLK divided by 4. */
+#define STM32_PPRE1_DIV8 (6U << 8) /**< HCLK divided by 8. */
+#define STM32_PPRE1_DIV16 (7U << 8) /**< HCLK divided by 16. */
+
+#define STM32_PPRE2_DIV1 (0U << 11) /**< HCLK divided by 1. */
+#define STM32_PPRE2_DIV2 (4U << 11) /**< HCLK divided by 2. */
+#define STM32_PPRE2_DIV4 (5U << 11) /**< HCLK divided by 4. */
+#define STM32_PPRE2_DIV8 (6U << 11) /**< HCLK divided by 8. */
+#define STM32_PPRE2_DIV16 (7U << 11) /**< HCLK divided by 16. */
+
+#define STM32_ADCPRE_DIV2 (0U << 14) /**< PPRE2 divided by 2. */
+#define STM32_ADCPRE_DIV4 (1U << 14) /**< PPRE2 divided by 4. */
+#define STM32_ADCPRE_DIV6 (2U << 14) /**< PPRE2 divided by 6. */
+#define STM32_ADCPRE_DIV8 (3U << 14) /**< PPRE2 divided by 8. */
+
+#define STM32_PLLSRC_HSI (0U << 16) /**< PLL clock source is HSI/2. */
+#define STM32_PLLSRC_HSE (1U << 16) /**< PLL clock source is
+ HSE/PREDIV. */
+
+#define STM32_USBPRE_DIV1P5 (0U << 22) /**< USB clock is PLLCLK/1.5. */
+#define STM32_USBPRE_DIV1 (1U << 22) /**< USB clock is PLLCLK/1. */
+
+#define STM32_MCOSEL_NOCLOCK (0U << 24) /**< No clock on MCO pin. */
+#define STM32_MCOSEL_LSI (2U << 24) /**< LSI clock on MCO pin. */
+#define STM32_MCOSEL_LSE (3U << 24) /**< LSE clock on MCO pin. */
+#define STM32_MCOSEL_SYSCLK (4U << 24) /**< SYSCLK on MCO pin. */
+#define STM32_MCOSEL_HSI (5U << 24) /**< HSI clock on MCO pin. */
+#define STM32_MCOSEL_HSE (6U << 24) /**< HSE clock on MCO pin. */
+#define STM32_MCOSEL_PLLDIV2 (7U << 24) /**< PLL/2 clock on MCO pin. */
+
+#define STM32_SDPRE_DIV2 (16U << 27) /**< SYSCLK divided by 2. */
+#define STM32_SDPRE_DIV4 (17U << 27) /**< SYSCLK divided by 4. */
+#define STM32_SDPRE_DIV6 (18U << 27) /**< SYSCLK divided by 6. */
+#define STM32_SDPRE_DIV8 (19U << 27) /**< SYSCLK divided by 8. */
+#define STM32_SDPRE_DIV10 (20U << 27) /**< SYSCLK divided by 10. */
+#define STM32_SDPRE_DIV12 (21U << 27) /**< SYSCLK divided by 12. */
+#define STM32_SDPRE_DIV14 (22U << 27) /**< SYSCLK divided by 14. */
+#define STM32_SDPRE_DIV16 (23U << 27) /**< SYSCLK divided by 16. */
+#define STM32_SDPRE_DIV20 (24U << 27) /**< SYSCLK divided by 20. */
+#define STM32_SDPRE_DIV24 (25U << 27) /**< SYSCLK divided by 24. */
+#define STM32_SDPRE_DIV28 (26U << 27) /**< SYSCLK divided by 28. */
+#define STM32_SDPRE_DIV32 (27U << 27) /**< SYSCLK divided by 32. */
+#define STM32_SDPRE_DIV36 (28U << 27) /**< SYSCLK divided by 36. */
+#define STM32_SDPRE_DIV40 (29U << 27) /**< SYSCLK divided by 40. */
+#define STM32_SDPRE_DIV44 (30U << 27) /**< SYSCLK divided by 44. */
+#define STM32_SDPRE_DIV48 (31U << 27) /**< SYSCLK divided by 48. */
+/** @} */
+
+/**
+ * @name RCC_BDCR register bits definitions
+ * @{
+ */
+#define STM32_RTCSEL_MASK (3U << 8) /**< RTC clock source mask. */
+#define STM32_RTCSEL_NOCLOCK (0U << 8) /**< No clock. */
+#define STM32_RTCSEL_LSE (1U << 8) /**< LSE used as RTC clock. */
+#define STM32_RTCSEL_LSI (2U << 8) /**< LSI used as RTC clock. */
+#define STM32_RTCSEL_HSEDIV (3U << 8) /**< HSE divided by 32 used as
+ RTC clock. */
+/** @} */
+
+/**
+ * @name RCC_CFGR2 register bits definitions
+ * @{
+ */
+#define STM32_PREDIV_MASK (15U << 0) /**< PREDIV divisor mask. */
+/** @} */
+
+/**
+ * @name RCC_CFGR3 register bits definitions
+ * @{
+ */
+#define STM32_USART1SW_MASK (3U << 0) /**< USART1 clock source mask. */
+#define STM32_USART1SW_PCLK (0U << 0) /**< USART1 clock is PCLK. */
+#define STM32_USART1SW_SYSCLK (1U << 0) /**< USART1 clock is SYSCLK. */
+#define STM32_USART1SW_LSE (2U << 0) /**< USART1 clock is LSE. */
+#define STM32_USART1SW_HSI (3U << 0) /**< USART1 clock is HSI. */
+#define STM32_I2C1SW_MASK (1U << 4) /**< I2C1 clock source mask. */
+#define STM32_I2C1SW_HSI (0U << 4) /**< I2C1 clock is HSI. */
+#define STM32_I2C1SW_SYSCLK (1U << 4) /**< I2C1 clock is SYSCLK. */
+#define STM32_I2C2SW_MASK (1U << 5) /**< I2C2 clock source mask. */
+#define STM32_I2C2SW_HSI (0U << 5) /**< I2C2 clock is HSI. */
+#define STM32_I2C2SW_SYSCLK (1U << 5) /**< I2C2 clock is SYSCLK. */
+#define STM32_USART2SW_MASK (3U << 16) /**< USART2 clock source mask. */
+#define STM32_USART2SW_PCLK (0U << 16) /**< USART2 clock is PCLK. */
+#define STM32_USART2SW_SYSCLK (1U << 16) /**< USART2 clock is SYSCLK. */
+#define STM32_USART2SW_LSE (2U << 16) /**< USART2 clock is LSE. */
+#define STM32_USART2SW_HSI (3U << 16) /**< USART2 clock is HSI. */
+#define STM32_USART3SW_MASK (3U << 18) /**< USART3 clock source mask. */
+#define STM32_USART3SW_PCLK (0U << 18) /**< USART3 clock is PCLK. */
+#define STM32_USART3SW_SYSCLK (1U << 18) /**< USART3 clock is SYSCLK. */
+#define STM32_USART3SW_LSE (2U << 18) /**< USART3 clock is LSE. */
+#define STM32_USART3SW_HSI (3U << 18) /**< USART3 clock is HSI. */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief Disables the PWR/RCC initialization in the HAL.
+ */
+#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__)
+#define STM32_NO_INIT FALSE
+#endif
+
+/**
+ * @brief Enables or disables the programmable voltage detector.
+ */
+#if !defined(STM32_PVD_ENABLE) || defined(__DOXYGEN__)
+#define STM32_PVD_ENABLE FALSE
+#endif
+
+/**
+ * @brief Sets voltage level for programmable voltage detector.
+ */
+#if !defined(STM32_PLS) || defined(__DOXYGEN__)
+#define STM32_PLS STM32_PLS_LEV0
+#endif
+
+/**
+ * @brief Enables or disables the HSI clock source.
+ */
+#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__)
+#define STM32_HSI_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the LSI clock source.
+ */
+#if !defined(STM32_LSI_ENABLED) || defined(__DOXYGEN__)
+#define STM32_LSI_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the HSE clock source.
+ */
+#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__)
+#define STM32_HSE_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the LSE clock source.
+ */
+#if !defined(STM32_LSE_ENABLED) || defined(__DOXYGEN__)
+#define STM32_LSE_ENABLED FALSE
+#endif
+
+/**
+ * @brief Main clock source selection.
+ * @note If the selected clock source is not the PLL then the PLL is not
+ * initialized and started.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_SW) || defined(__DOXYGEN__)
+#define STM32_SW STM32_SW_PLL
+#endif
+
+/**
+ * @brief Clock source for the PLL.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__)
+#define STM32_PLLSRC STM32_PLLSRC_HSE
+#endif
+
+/**
+ * @brief Crystal PLL pre-divider.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PREDIV_VALUE) || defined(__DOXYGEN__)
+#define STM32_PREDIV_VALUE 1
+#endif
+
+/**
+ * @brief PLL multiplier value.
+ * @note The allowed range is 2...16.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_PLLMUL_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLMUL_VALUE 9
+#endif
+
+/**
+ * @brief AHB prescaler value.
+ * @note The default value is calculated for a 72MHz system clock from
+ * a 8MHz crystal using the PLL.
+ */
+#if !defined(STM32_HPRE) || defined(__DOXYGEN__)
+#define STM32_HPRE STM32_HPRE_DIV1
+#endif
+
+/**
+ * @brief APB1 prescaler value.
+ */
+#if !defined(STM32_PPRE1) || defined(__DOXYGEN__)
+#define STM32_PPRE1 STM32_PPRE1_DIV2
+#endif
+
+/**
+ * @brief APB2 prescaler value.
+ */
+#if !defined(STM32_PPRE2) || defined(__DOXYGEN__)
+#define STM32_PPRE2 STM32_PPRE2_DIV2
+#endif
+
+/**
+ * @brief MCO pin setting.
+ */
+#if !defined(STM32_MCOSEL) || defined(__DOXYGEN__)
+#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK
+#endif
+
+/**
+ * @brief ADC prescaler value.
+ */
+#if !defined(STM32_ADCPRE) || defined(__DOXYGEN__)
+#define STM32_ADCPRE STM32_ADCPRE_DIV4
+#endif
+
+/**
+ * @brief SDADC prescaler value.
+ */
+#if !defined(STM32_SDPRE) || defined(__DOXYGEN__)
+#define STM32_SDPRE STM32_SDPRE_DIV12
+#endif
+
+/**
+ * @brief USART1 clock source.
+ */
+#if !defined(STM32_USART1SW) || defined(__DOXYGEN__)
+#define STM32_USART1SW STM32_USART1SW_PCLK
+#endif
+
+/**
+ * @brief USART2 clock source.
+ */
+#if !defined(STM32_USART2SW) || defined(__DOXYGEN__)
+#define STM32_USART2SW STM32_USART2SW_PCLK
+#endif
+
+/**
+ * @brief USART3 clock source.
+ */
+#if !defined(STM32_USART3SW) || defined(__DOXYGEN__)
+#define STM32_USART3SW STM32_USART3SW_PCLK
+#endif
+
+/**
+ * @brief I2C1 clock source.
+ */
+#if !defined(STM32_I2C1SW) || defined(__DOXYGEN__)
+#define STM32_I2C1SW STM32_I2C1SW_SYSCLK
+#endif
+
+/**
+ * @brief I2C2 clock source.
+ */
+#if !defined(STM32_I2C2SW) || defined(__DOXYGEN__)
+#define STM32_I2C2SW STM32_I2C2SW_SYSCLK
+#endif
+
+/**
+ * @brief RTC clock source.
+ */
+#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
+#define STM32_RTCSEL STM32_RTCSEL_LSI
+#endif
+
+/**
+ * @brief USB clock setting.
+ */
+#if !defined(STM32_USB_CLOCK_REQUIRED) || defined(__DOXYGEN__)
+#define STM32_USB_CLOCK_REQUIRED TRUE
+#endif
+
+/**
+ * @brief USB prescaler initialization.
+ */
+#if !defined(STM32_USBPRE) || defined(__DOXYGEN__)
+#define STM32_USBPRE STM32_USBPRE_DIV1P5
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*
+ * Configuration-related checks.
+ */
+#if !defined(STM32F37x_MCUCONF)
+#error "Using a wrong mcuconf.h file, STM32F37x_MCUCONF not defined"
+#endif
+
+/*
+ * HSI related checks.
+ */
+#if STM32_HSI_ENABLED
+#else /* !STM32_HSI_ENABLED */
+
+#if STM32_SW == STM32_SW_HSI
+#error "HSI not enabled, required by STM32_SW"
+#endif
+
+#if STM32_USART1SW == STM32_USART1SW_HSI
+#error "HSI not enabled, required by STM32_USART1SW"
+#endif
+
+#if STM32_USART2SW == STM32_USART2SW_HSI
+#error "HSI not enabled, required by STM32_USART2SW"
+#endif
+
+#if STM32_USART3SW == STM32_USART3SW_HSI
+#error "HSI not enabled, required by STM32_USART3SW"
+#endif
+
+#if STM32_I2C1SW == STM32_I2C1SW_HSI
+#error "HSI not enabled, required by STM32_I2C1SW"
+#endif
+
+#if STM32_I2C2SW == STM32_I2C2SW_HSI
+#error "HSI not enabled, required by STM32_I2C2SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI)
+#error "HSI not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCOSEL == STM32_MCOSEL_HSI) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSI))
+#error "HSI not enabled, required by STM32_MCOSEL"
+#endif
+
+#endif /* !STM32_HSI_ENABLED */
+
+/*
+ * HSE related checks.
+ */
+#if STM32_HSE_ENABLED
+
+#if STM32_HSECLK == 0
+#error "HSE frequency not defined"
+#elif (STM32_HSECLK < STM32_HSECLK_MIN) || (STM32_HSECLK > STM32_HSECLK_MAX)
+#error "STM32_HSECLK outside acceptable range (STM32_HSECLK_MIN...STM32_HSECLK_MAX)"
+#endif
+
+#else /* !STM32_HSE_ENABLED */
+
+#if STM32_SW == STM32_SW_HSE
+#error "HSE not enabled, required by STM32_SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSE)
+#error "HSE not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCOSEL == STM32_MCOSEL_HSE) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSE))
+#error "HSE not enabled, required by STM32_MCOSEL"
+#endif
+
+#if STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#error "HSE not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_HSE_ENABLED */
+
+/*
+ * LSI related checks.
+ */
+#if STM32_LSI_ENABLED
+#else /* !STM32_LSI_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSI
+#error "LSI not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSI_ENABLED */
+
+/*
+ * LSE related checks.
+ */
+#if STM32_LSE_ENABLED
+
+#if !defined(STM32_LSECLK) || (STM32_LSECLK == 0)
+#error "STM32_LSECLK not defined"
+#endif
+
+#if (STM32_LSECLK < STM32_LSECLK_MIN) || (STM32_LSECLK > STM32_LSECLK_MAX)
+#error "STM32_LSECLK outside acceptable range (STM32_LSECLK_MIN...STM32_LSECLK_MAX)"
+#endif
+
+#if !defined(STM32_LSEDRV)
+#error "STM32_LSEDRV not defined"
+#endif
+
+#if (STM32_LSEDRV >> 3) > 3
+#error "STM32_LSEDRV outside acceptable range ((0<<3)...(3<<3))"
+#endif
+
+#if STM32_USART1SW == STM32_USART1SW_LSE
+#error "LSE not enabled, required by STM32_USART1SW"
+#endif
+
+#if STM32_USART2SW == STM32_USART2SW_LSE
+#error "LSE not enabled, required by STM32_USART2SW"
+#endif
+
+#if STM32_USART3SW == STM32_USART3SW_LSE
+#error "LSE not enabled, required by STM32_USART3SW"
+#endif
+
+#else /* !STM32_LSE_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSE
+#error "LSE not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSE_ENABLED */
+
+/* PLL activation conditions.*/
+#if (STM32_SW == STM32_SW_PLL) || \
+ (STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) || \
+ STM32_USB_CLOCK_REQUIRED || \
+ defined(__DOXYGEN__)
+/**
+ * @brief PLL activation flag.
+ */
+#define STM32_ACTIVATE_PLL TRUE
+#else
+#define STM32_ACTIVATE_PLL FALSE
+#endif
+
+/* HSE prescaler setting check.*/
+#if ((STM32_PREDIV_VALUE >= 1) || (STM32_PREDIV_VALUE <= 16))
+#define STM32_PREDIV ((STM32_PREDIV_VALUE - 1) << 0)
+#else
+#error "invalid STM32_PREDIV value specified"
+#endif
+
+/**
+ * @brief PLLMUL field.
+ */
+#if ((STM32_PLLMUL_VALUE >= 2) && (STM32_PLLMUL_VALUE <= 16)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLLMUL ((STM32_PLLMUL_VALUE - 2) << 18)
+#else
+#error "invalid STM32_PLLMUL_VALUE value specified"
+#endif
+
+/**
+ * @brief PLL input clock frequency.
+ */
+#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__)
+#define STM32_PLLCLKIN (STM32_HSECLK / STM32_PREDIV_VALUE)
+#elif STM32_PLLSRC == STM32_PLLSRC_HSI
+#define STM32_PLLCLKIN (STM32_HSICLK / 2)
+#else
+#error "invalid STM32_PLLSRC value specified"
+#endif
+
+/* PLL input frequency range check.*/
+#if (STM32_PLLCLKIN < STM32_PLLIN_MIN) || (STM32_PLLCLKIN > STM32_PLLIN_MAX)
+#error "STM32_PLLCLKIN outside acceptable range (STM32_PLLIN_MIN...STM32_PLLIN_MAX)"
+#endif
+
+/**
+ * @brief PLL output clock frequency.
+ */
+#define STM32_PLLCLKOUT (STM32_PLLCLKIN * STM32_PLLMUL_VALUE)
+
+/* PLL output frequency range check.*/
+#if (STM32_PLLCLKOUT < STM32_PLLOUT_MIN) || (STM32_PLLCLKOUT > STM32_PLLOUT_MAX)
+#error "STM32_PLLCLKOUT outside acceptable range (STM32_PLLOUT_MIN...STM32_PLLOUT_MAX)"
+#endif
+
+/**
+ * @brief System clock source.
+ */
+#if (STM32_SW == STM32_SW_PLL) || defined(__DOXYGEN__)
+#define STM32_SYSCLK STM32_PLLCLKOUT
+#elif (STM32_SW == STM32_SW_HSI)
+#define STM32_SYSCLK STM32_HSICLK
+#elif (STM32_SW == STM32_SW_HSE)
+#define STM32_SYSCLK STM32_HSECLK
+#else
+#error "invalid STM32_SW value specified"
+#endif
+
+/* Check on the system clock.*/
+#if STM32_SYSCLK > STM32_SYSCLK_MAX
+#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief AHB frequency.
+ */
+#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__)
+#define STM32_HCLK (STM32_SYSCLK / 1)
+#elif STM32_HPRE == STM32_HPRE_DIV2
+#define STM32_HCLK (STM32_SYSCLK / 2)
+#elif STM32_HPRE == STM32_HPRE_DIV4
+#define STM32_HCLK (STM32_SYSCLK / 4)
+#elif STM32_HPRE == STM32_HPRE_DIV8
+#define STM32_HCLK (STM32_SYSCLK / 8)
+#elif STM32_HPRE == STM32_HPRE_DIV16
+#define STM32_HCLK (STM32_SYSCLK / 16)
+#elif STM32_HPRE == STM32_HPRE_DIV64
+#define STM32_HCLK (STM32_SYSCLK / 64)
+#elif STM32_HPRE == STM32_HPRE_DIV128
+#define STM32_HCLK (STM32_SYSCLK / 128)
+#elif STM32_HPRE == STM32_HPRE_DIV256
+#define STM32_HCLK (STM32_SYSCLK / 256)
+#elif STM32_HPRE == STM32_HPRE_DIV512
+#define STM32_HCLK (STM32_SYSCLK / 512)
+#else
+#error "invalid STM32_HPRE value specified"
+#endif
+
+/* AHB frequency check.*/
+#if STM32_HCLK > STM32_SYSCLK_MAX
+#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief APB1 frequency.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK1 (STM32_HCLK / 1)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV2
+#define STM32_PCLK1 (STM32_HCLK / 2)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV4
+#define STM32_PCLK1 (STM32_HCLK / 4)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV8
+#define STM32_PCLK1 (STM32_HCLK / 8)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV16
+#define STM32_PCLK1 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE1 value specified"
+#endif
+
+/* APB1 frequency check.*/
+#if STM32_PCLK1 > STM32_PCLK1_MAX
+#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)"
+#endif
+
+/**
+ * @brief APB2 frequency.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK2 (STM32_HCLK / 1)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV2
+#define STM32_PCLK2 (STM32_HCLK / 2)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV4
+#define STM32_PCLK2 (STM32_HCLK / 4)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV8
+#define STM32_PCLK2 (STM32_HCLK / 8)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV16
+#define STM32_PCLK2 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE2 value specified"
+#endif
+
+/* APB2 frequency check.*/
+#if STM32_PCLK2 > STM32_PCLK2_MAX
+#error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)"
+#endif
+
+/**
+ * @brief RTC clock.
+ */
+#if (STM32_RTCSEL == STM32_RTCSEL_LSE) || defined(__DOXYGEN__)
+#define STM32_RTCCLK STM32_LSECLK
+#elif STM32_RTCSEL == STM32_RTCSEL_LSI
+#define STM32_RTCCLK STM32_LSICLK
+#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#define STM32_RTCCLK (STM32_HSECLK / 32)
+#elif STM32_RTCSEL == STM32_RTCSEL_NOCLOCK
+#define STM32_RTCCLK 0
+#else
+#error "invalid source selected for RTC clock"
+#endif
+
+/**
+ * @brief ADC frequency.
+ */
+#if (STM32_ADCPRE == STM32_ADCPRE_DIV2) || defined(__DOXYGEN__)
+#define STM32_ADCCLK (STM32_PCLK2 / 2)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV4
+#define STM32_ADCCLK (STM32_PCLK2 / 4)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV6
+#define STM32_ADCCLK (STM32_PCLK2 / 6)
+#elif STM32_ADCPRE == STM32_ADCPRE_DIV8
+#define STM32_ADCCLK (STM32_PCLK2 / 8)
+#else
+#error "invalid STM32_ADCPRE value specified"
+#endif
+
+/* ADC maximum frequency check.*/
+#if STM32_ADCCLK > STM32_ADCCLK_MAX
+#error "STM32_ADCCLK exceeding maximum frequency (STM32_ADCCLK_MAX)"
+#endif
+
+/* ADC minimum frequency check.*/
+#if STM32_ADCCLK < STM32_ADCCLK_MIN
+#error "STM32_ADCCLK exceeding minimum frequency (STM32_ADCCLK_MIN)"
+#endif
+
+/**
+ * @brief SDADC frequency.
+ */
+#if (STM32_SDPRE == STM32_SDPRE_DIV2) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 2)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV4) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 4)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV6) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 6)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV8) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 8)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV10) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 10)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV12) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 12)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV14) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 14)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV16) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 16)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV20) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 20)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV24) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 24)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV28) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 28)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV32) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 32)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV36) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 36)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV40) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 40)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV44) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 44)
+#elif (STM32_SDPRE == STM32_SDPRE_DIV48) || defined(__DOXYGEN__)
+#define STM32_SDADCCLK (STM32_SYSCLK / 48)
+#else
+#error "invalid STM32_SDPRE value specified"
+#endif
+
+/* SDADC maximum frequency check.*/
+#if STM32_SDADCCLK > STM32_SDADCCLK_FAST_MAX
+#error "STM32_SDADCCLK exceeding maximum frequency (STM32_SDADCCLK_FAST_MAX)"
+#endif
+
+/* SDADC minimum frequency check.*/
+#if STM32_SDADCCLK < STM32_SDADCCLK_MIN
+#error "STM32_SDADCCLK exceeding maximum frequency (STM32_SDADCCLK_MIN)"
+#endif
+
+/**
+ * @brief I2C1 frequency.
+ */
+#if STM32_I2C1SW == STM32_I2C1SW_HSI
+#define STM32_I2C1CLK STM32_HSICLK
+#elif STM32_I2C1SW == STM32_I2C1SW_SYSCLK
+#define STM32_I2C1CLK STM32_SYSCLK
+#else
+#error "invalid source selected for I2C1 clock"
+#endif
+
+/**
+ * @brief I2C2 frequency.
+ */
+#if STM32_I2C2SW == STM32_I2C2SW_HSI
+#define STM32_I2C2CLK STM32_HSICLK
+#elif STM32_I2C2SW == STM32_I2C2SW_SYSCLK
+#define STM32_I2C2CLK STM32_SYSCLK
+#else
+#error "invalid source selected for I2C2 clock"
+#endif
+
+/**
+ * @brief USART1 frequency.
+ */
+#if STM32_USART1SW == STM32_USART1SW_PCLK
+#define STM32_USART1CLK STM32_PCLK2
+#elif STM32_USART1SW == STM32_USART1SW_SYSCLK
+#define STM32_USART1CLK STM32_SYSCLK
+#elif STM32_USART1SW == STM32_USART1SW_LSECLK
+#define STM32_USART1CLK STM32_LSECLK
+#elif STM32_USART1SW == STM32_USART1SW_HSICLK
+#define STM32_USART1CLK STM32_HSICLK
+#else
+#error "invalid source selected for USART1 clock"
+#endif
+
+/**
+ * @brief USART2 frequency.
+ */
+#if STM32_USART2SW == STM32_USART2SW_PCLK
+#define STM32_USART2CLK STM32_PCLK1
+#elif STM32_USART2SW == STM32_USART2SW_SYSCLK
+#define STM32_USART2CLK STM32_SYSCLK
+#elif STM32_USART2SW == STM32_USART2SW_LSECLK
+#define STM32_USART2CLK STM32_LSECLK
+#elif STM32_USART2SW == STM32_USART2SW_HSICLK
+#define STM32_USART2CLK STM32_HSICLK
+#else
+#error "invalid source selected for USART2 clock"
+#endif
+
+/**
+ * @brief USART3 frequency.
+ */
+#if STM32_USART3SW == STM32_USART3SW_PCLK
+#define STM32_USART3CLK STM32_PCLK1
+#elif STM32_USART3SW == STM32_USART3SW_SYSCLK
+#define STM32_USART3CLK STM32_SYSCLK
+#elif STM32_USART3SW == STM32_USART3SW_LSECLK
+#define STM32_USART3CLK STM32_LSECLK
+#elif STM32_USART3SW == STM32_USART3SW_HSICLK
+#define STM32_USART3CLK STM32_HSICLK
+#else
+#error "invalid source selected for USART3 clock"
+#endif
+
+/**
+ * @brief Timers 2, 3, 4, 5, 6, 7, 12, 13, 14, 18 frequency.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK1 (STM32_PCLK1 * 1)
+#else
+#define STM32_TIMCLK1 (STM32_PCLK1 * 2)
+#endif
+
+/**
+ * @brief Timers 15, 16, 17, 19 frequency.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK2 (STM32_PCLK2 * 1)
+#else
+#define STM32_TIMCLK2 (STM32_PCLK2 * 2)
+#endif
+
+/**
+ * @brief USB frequency.
+ */
+#if (STM32_USBPRE == STM32_USBPRE_DIV1P5) || defined(__DOXYGEN__)
+#define STM32_USBCLK ((STM32_PLLCLKOUT * 2) / 3)
+#elif (STM32_USBPRE == STM32_USBPRE_DIV1)
+#define STM32_USBCLK STM32_PLLCLKOUT
+#else
+#error "invalid STM32_USBPRE value specified"
+#endif
+
+/**
+ * @brief Flash settings.
+ */
+#if (STM32_HCLK <= 24000000) || defined(__DOXYGEN__)
+#define STM32_FLASHBITS 0x00000010
+#elif STM32_HCLK <= 48000000
+#define STM32_FLASHBITS 0x00000011
+#else
+#define STM32_FLASHBITS 0x00000012
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/* Various helpers.*/
+#include "nvic.h"
+#include "stm32_isr.h"
+#include "stm32_dma.h"
+#include "stm32_rcc.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void hal_lld_init(void);
+ void stm32_clock_init(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _HAL_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F37x/platform.mk b/os/hal/ports/STM32/STM32F37x/platform.mk new file mode 100644 index 000000000..fbcaaa80f --- /dev/null +++ b/os/hal/ports/STM32/STM32F37x/platform.mk @@ -0,0 +1,31 @@ +# List of all the STM32F37x platform files.
+PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
+ ${CHIBIOS}/os/hal/ports/STM32F37x/stm32_dma.c \
+ ${CHIBIOS}/os/hal/ports/STM32F37x/hal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32F37x/adc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32F37x/ext_lld_isr.c \
+ ${CHIBIOS}/os/hal/ports/STM32/can_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/ext_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv2/pal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv2/i2c_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/RTCv2/rtc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv2/spi_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/gpt_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/icu_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/pwm_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/st_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv2/serial_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv2/uart_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USBv1/usb_lld.c
+
+# Required include directories
+PLATFORMINC = ${CHIBIOS}/os/hal/ports/common/ARMCMx \
+ ${CHIBIOS}/os/hal/ports/STM32F37x \
+ ${CHIBIOS}/os/hal/ports/STM32 \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/RTCv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/USBv1
diff --git a/os/hal/ports/STM32/STM32F37x/stm32_dma.c b/os/hal/ports/STM32/STM32F37x/stm32_dma.c new file mode 100644 index 000000000..4e9052ab1 --- /dev/null +++ b/os/hal/ports/STM32/STM32F37x/stm32_dma.c @@ -0,0 +1,449 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F37x/stm32_dma.c
+ * @brief DMA helper driver code.
+ *
+ * @addtogroup STM32F37x_DMA
+ * @details DMA sharing helper driver. In the STM32 the DMA streams are a
+ * shared resource, this driver allows to allocate and free DMA
+ * streams at runtime in order to allow all the other device
+ * drivers to coordinate the access to the resource.
+ * @note The DMA ISR handlers are all declared into this module because
+ * sharing, the various device drivers can associate a callback to
+ * ISRs when allocating streams.
+ * @{
+ */
+
+#include "hal.h"
+
+/* The following macro is only defined if some driver requiring DMA services
+ has been enabled.*/
+#if defined(STM32_DMA_REQUIRED) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/**
+ * @brief Mask of the DMA1 streams in @p dma_streams_mask.
+ */
+#define STM32_DMA1_STREAMS_MASK 0x0000007F
+
+/**
+ * @brief Mask of the DMA2 streams in @p dma_streams_mask.
+ */
+#define STM32_DMA2_STREAMS_MASK 0x00000F80
+
+/**
+ * @brief Post-reset value of the stream CCR register.
+ */
+#define STM32_DMA_CCR_RESET_VALUE 0x00000000
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA streams descriptors.
+ * @details This table keeps the association between an unique stream
+ * identifier and the involved physical registers.
+ * @note Don't use this array directly, use the appropriate wrapper macros
+ * instead: @p STM32_DMA1_STREAM1, @p STM32_DMA1_STREAM2 etc.
+ */
+const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS] = {
+ {DMA1_Channel1, &DMA1->IFCR, 0, 0, DMA1_Channel1_IRQn},
+ {DMA1_Channel2, &DMA1->IFCR, 4, 1, DMA1_Channel2_IRQn},
+ {DMA1_Channel3, &DMA1->IFCR, 8, 2, DMA1_Channel3_IRQn},
+ {DMA1_Channel4, &DMA1->IFCR, 12, 3, DMA1_Channel4_IRQn},
+ {DMA1_Channel5, &DMA1->IFCR, 16, 4, DMA1_Channel5_IRQn},
+ {DMA1_Channel6, &DMA1->IFCR, 20, 5, DMA1_Channel6_IRQn},
+ {DMA1_Channel7, &DMA1->IFCR, 24, 6, DMA1_Channel7_IRQn},
+ {DMA2_Channel1, &DMA2->IFCR, 0, 7, DMA2_Channel1_IRQn},
+ {DMA2_Channel2, &DMA2->IFCR, 4, 8, DMA2_Channel2_IRQn},
+ {DMA2_Channel3, &DMA2->IFCR, 8, 9, DMA2_Channel3_IRQn},
+ {DMA2_Channel4, &DMA2->IFCR, 12, 10, DMA2_Channel4_IRQn},
+ {DMA2_Channel5, &DMA2->IFCR, 16, 11, DMA2_Channel5_IRQn},
+};
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA ISR redirector type.
+ */
+typedef struct {
+ stm32_dmaisr_t dma_func; /**< @brief DMA callback function. */
+ void *dma_param; /**< @brief DMA callback parameter. */
+} dma_isr_redir_t;
+
+/**
+ * @brief Mask of the allocated streams.
+ */
+static uint32_t dma_streams_mask;
+
+/**
+ * @brief DMA IRQ redirectors.
+ */
+static dma_isr_redir_t dma_isr_redir[STM32_DMA_STREAMS];
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA1 stream 1 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector6C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 0) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 0;
+ if (dma_isr_redir[0].dma_func)
+ dma_isr_redir[0].dma_func(dma_isr_redir[0].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 2 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector70) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 4) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 4;
+ if (dma_isr_redir[1].dma_func)
+ dma_isr_redir[1].dma_func(dma_isr_redir[1].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 3 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector74) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 8) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 8;
+ if (dma_isr_redir[2].dma_func)
+ dma_isr_redir[2].dma_func(dma_isr_redir[2].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 4 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector78) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 12) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 12;
+ if (dma_isr_redir[3].dma_func)
+ dma_isr_redir[3].dma_func(dma_isr_redir[3].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 5 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector7C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 16) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 16;
+ if (dma_isr_redir[4].dma_func)
+ dma_isr_redir[4].dma_func(dma_isr_redir[4].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 6 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector80) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 20) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 20;
+ if (dma_isr_redir[5].dma_func)
+ dma_isr_redir[5].dma_func(dma_isr_redir[5].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 7 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector84) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 24) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 24;
+ if (dma_isr_redir[6].dma_func)
+ dma_isr_redir[6].dma_func(dma_isr_redir[6].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 1 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector120) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 0) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 0;
+ if (dma_isr_redir[7].dma_func)
+ dma_isr_redir[7].dma_func(dma_isr_redir[7].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 2 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector124) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 4) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 4;
+ if (dma_isr_redir[8].dma_func)
+ dma_isr_redir[8].dma_func(dma_isr_redir[8].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 3 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector128) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 8) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 8;
+ if (dma_isr_redir[9].dma_func)
+ dma_isr_redir[9].dma_func(dma_isr_redir[9].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 4 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector12C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 12) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 12;
+ if (dma_isr_redir[10].dma_func)
+ dma_isr_redir[10].dma_func(dma_isr_redir[10].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 5 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector130) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->ISR >> 16) & STM32_DMA_ISR_MASK;
+ DMA2->IFCR = flags << 16;
+ if (dma_isr_redir[11].dma_func)
+ dma_isr_redir[11].dma_func(dma_isr_redir[11].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief STM32 DMA helper initialization.
+ *
+ * @init
+ */
+void dmaInit(void) {
+ int i;
+
+ dma_streams_mask = 0;
+ for (i = 0; i < STM32_DMA_STREAMS; i++) {
+ _stm32_dma_streams[i].channel->CCR = 0;
+ dma_isr_redir[i].dma_func = NULL;
+ }
+ DMA1->IFCR = 0xFFFFFFFF;
+#if STM32_HAS_DMA2
+ DMA2->IFCR = 0xFFFFFFFF;
+#endif
+}
+
+/**
+ * @brief Allocates a DMA stream.
+ * @details The stream is allocated and, if required, the DMA clock enabled.
+ * The function also enables the IRQ vector associated to the stream
+ * and initializes its priority.
+ * @pre The stream must not be already in use or an error is returned.
+ * @post The stream is allocated and the default ISR handler redirected
+ * to the specified function.
+ * @post The stream ISR vector is enabled and its priority configured.
+ * @post The stream must be freed using @p dmaStreamRelease() before it can
+ * be reused with another peripheral.
+ * @post The stream is in its post-reset state.
+ * @note This function can be invoked in both ISR or thread context.
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] priority IRQ priority mask for the DMA stream
+ * @param[in] func handling function pointer, can be @p NULL
+ * @param[in] param a parameter to be passed to the handling function
+ * @return The operation status.
+ * @retval FALSE no error, stream taken.
+ * @retval TRUE error, stream already taken.
+ *
+ * @special
+ */
+bool dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
+ uint32_t priority,
+ stm32_dmaisr_t func,
+ void *param) {
+
+ osalDbgCheck(dmastp != NULL);
+
+ /* Checks if the stream is already taken.*/
+ if ((dma_streams_mask & (1 << dmastp->selfindex)) != 0)
+ return TRUE;
+
+ /* Marks the stream as allocated.*/
+ dma_isr_redir[dmastp->selfindex].dma_func = func;
+ dma_isr_redir[dmastp->selfindex].dma_param = param;
+ dma_streams_mask |= (1 << dmastp->selfindex);
+
+ /* Enabling DMA clocks required by the current streams set.*/
+ if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) != 0)
+ rccEnableDMA1(FALSE);
+#if STM32_HAS_DMA2
+ if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) != 0)
+ rccEnableDMA2(FALSE);
+#endif
+
+ /* Putting the stream in a safe state.*/
+ dmaStreamDisable(dmastp);
+ dmastp->channel->CCR = STM32_DMA_CCR_RESET_VALUE;
+
+ /* Enables the associated IRQ vector if a callback is defined.*/
+ if (func != NULL)
+ nvicEnableVector(dmastp->vector, priority);
+
+ return FALSE;
+}
+
+/**
+ * @brief Releases a DMA stream.
+ * @details The stream is freed and, if required, the DMA clock disabled.
+ * Trying to release a unallocated stream is an illegal operation
+ * and is trapped if assertions are enabled.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post The stream is again available.
+ * @note This function can be invoked in both ISR or thread context.
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+void dmaStreamRelease(const stm32_dma_stream_t *dmastp) {
+
+ osalDbgCheck(dmastp != NULL);
+
+ /* Check if the streams is not taken.*/
+ osalDbgAssert((dma_streams_mask & (1 << dmastp->selfindex)) != 0,
+ "not allocated");
+
+ /* Disables the associated IRQ vector.*/
+ nvicDisableVector(dmastp->vector);
+
+ /* Marks the stream as not allocated.*/
+ dma_streams_mask &= ~(1 << dmastp->selfindex);
+
+ /* Shutting down clocks that are no more required, if any.*/
+ if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) == 0)
+ rccDisableDMA1(FALSE);
+#if STM32_HAS_DMA2
+ if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) == 0)
+ rccDisableDMA2(FALSE);
+#endif
+}
+
+#endif /* STM32_DMA_REQUIRED */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F37x/stm32_dma.h b/os/hal/ports/STM32/STM32F37x/stm32_dma.h new file mode 100644 index 000000000..e77b3ba77 --- /dev/null +++ b/os/hal/ports/STM32/STM32F37x/stm32_dma.h @@ -0,0 +1,406 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F37x/stm32_dma.h
+ * @brief DMA helper driver header.
+ * @note This file requires definitions from the ST header file stm32f30x.h.
+ * @note This driver uses the new naming convention used for the STM32F2xx
+ * so the "DMA channels" are referred as "DMA streams".
+ *
+ * @addtogroup STM32F37x_DMA
+ * @{
+ */
+
+#ifndef _STM32_DMA_H_
+#define _STM32_DMA_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Total number of DMA streams.
+ * @note This is the total number of streams among all the DMA units.
+ */
+#if STM32_HAS_DMA2 || defined(__DOXYGEN__)
+#define STM32_DMA_STREAMS 12
+#else
+#define STM32_DMA_STREAMS 7
+#endif
+
+/**
+ * @brief Mask of the ISR bits passed to the DMA callback functions.
+ */
+#define STM32_DMA_ISR_MASK 0x0F
+
+/**
+ * @brief Returns the channel associated to the specified stream.
+ *
+ * @param[in] n the stream number (0...STM32_DMA_STREAMS-1)
+ * @param[in] c a stream/channel association word, one channel per
+ * nibble, not associated channels must be set to 0xF
+ * @return Always zero, in this platform there is no dynamic
+ * association between streams and channels.
+ */
+#define STM32_DMA_GETCHANNEL(n, c) 0
+
+/**
+ * @brief Checks if a DMA priority is within the valid range.
+ * @param[in] prio DMA priority
+ *
+ * @retval The check result.
+ * @retval FALSE invalid DMA priority.
+ * @retval TRUE correct DMA priority.
+ */
+#define STM32_DMA_IS_VALID_PRIORITY(prio) (((prio) >= 0) && ((prio) <= 3))
+
+/**
+ * @brief Returns an unique numeric identifier for a DMA stream.
+ *
+ * @param[in] dma the DMA unit number
+ * @param[in] stream the stream number
+ * @return An unique numeric stream identifier.
+ */
+#define STM32_DMA_STREAM_ID(dma, stream) ((((dma) - 1) * 7) + ((stream) - 1))
+
+/**
+ * @brief Returns a DMA stream identifier mask.
+ *
+ *
+ * @param[in] dma the DMA unit number
+ * @param[in] stream the stream number
+ * @return A DMA stream identifier mask.
+ */
+#define STM32_DMA_STREAM_ID_MSK(dma, stream) \
+ (1 << STM32_DMA_STREAM_ID(dma, stream))
+
+/**
+ * @brief Checks if a DMA stream unique identifier belongs to a mask.
+ * @param[in] id the stream numeric identifier
+ * @param[in] mask the stream numeric identifiers mask
+ *
+ * @retval The check result.
+ * @retval FALSE id does not belong to the mask.
+ * @retval TRUE id belongs to the mask.
+ */
+#define STM32_DMA_IS_VALID_ID(id, mask) (((1 << (id)) & (mask)))
+
+/**
+ * @name DMA streams identifiers
+ * @{
+ */
+/**
+ * @brief Returns a pointer to a stm32_dma_stream_t structure.
+ *
+ * @param[in] id the stream numeric identifier
+ * @return A pointer to the stm32_dma_stream_t constant structure
+ * associated to the DMA stream.
+ */
+#define STM32_DMA_STREAM(id) (&_stm32_dma_streams[id])
+
+#define STM32_DMA1_STREAM1 STM32_DMA_STREAM(0)
+#define STM32_DMA1_STREAM2 STM32_DMA_STREAM(1)
+#define STM32_DMA1_STREAM3 STM32_DMA_STREAM(2)
+#define STM32_DMA1_STREAM4 STM32_DMA_STREAM(3)
+#define STM32_DMA1_STREAM5 STM32_DMA_STREAM(4)
+#define STM32_DMA1_STREAM6 STM32_DMA_STREAM(5)
+#define STM32_DMA1_STREAM7 STM32_DMA_STREAM(6)
+#define STM32_DMA2_STREAM1 STM32_DMA_STREAM(7)
+#define STM32_DMA2_STREAM2 STM32_DMA_STREAM(8)
+#define STM32_DMA2_STREAM3 STM32_DMA_STREAM(9)
+#define STM32_DMA2_STREAM4 STM32_DMA_STREAM(10)
+#define STM32_DMA2_STREAM5 STM32_DMA_STREAM(11)
+/** @} */
+
+/**
+ * @name CR register constants common to all DMA types
+ * @{
+ */
+#define STM32_DMA_CR_EN DMA_CCR_EN
+#define STM32_DMA_CR_TEIE DMA_CCR_TEIE
+#define STM32_DMA_CR_HTIE DMA_CCR_HTIE
+#define STM32_DMA_CR_TCIE DMA_CCR_TCIE
+#define STM32_DMA_CR_DIR_MASK (DMA_CCR_DIR | DMA_CCR_MEM2MEM)
+#define STM32_DMA_CR_DIR_P2M 0
+#define STM32_DMA_CR_DIR_M2P DMA_CCR_DIR
+#define STM32_DMA_CR_DIR_M2M DMA_CCR_MEM2MEM
+#define STM32_DMA_CR_CIRC DMA_CCR_CIRC
+#define STM32_DMA_CR_PINC DMA_CCR_PINC
+#define STM32_DMA_CR_MINC DMA_CCR_MINC
+#define STM32_DMA_CR_PSIZE_MASK DMA_CCR_PSIZE
+#define STM32_DMA_CR_PSIZE_BYTE 0
+#define STM32_DMA_CR_PSIZE_HWORD DMA_CCR_PSIZE_0
+#define STM32_DMA_CR_PSIZE_WORD DMA_CCR_PSIZE_1
+#define STM32_DMA_CR_MSIZE_MASK DMA_CCR_MSIZE
+#define STM32_DMA_CR_MSIZE_BYTE 0
+#define STM32_DMA_CR_MSIZE_HWORD DMA_CCR_MSIZE_0
+#define STM32_DMA_CR_MSIZE_WORD DMA_CCR_MSIZE_1
+#define STM32_DMA_CR_SIZE_MASK (STM32_DMA_CR_PSIZE_MASK | \
+ STM32_DMA_CR_MSIZE_MASK)
+#define STM32_DMA_CR_PL_MASK DMA_CCR_PL
+#define STM32_DMA_CR_PL(n) ((n) << 12)
+/** @} */
+
+/**
+ * @name CR register constants only found in enhanced DMA
+ * @{
+ */
+#define STM32_DMA_CR_DMEIE 0 /**< @brief Ignored by normal DMA. */
+#define STM32_DMA_CR_CHSEL_MASK 0 /**< @brief Ignored by normal DMA. */
+#define STM32_DMA_CR_CHSEL(n) 0 /**< @brief Ignored by normal DMA. */
+/** @} */
+
+/**
+ * @name Status flags passed to the ISR callbacks
+ * @{
+ */
+#define STM32_DMA_ISR_FEIF 0
+#define STM32_DMA_ISR_DMEIF 0
+#define STM32_DMA_ISR_TEIF DMA_ISR_TEIF1
+#define STM32_DMA_ISR_HTIF DMA_ISR_HTIF1
+#define STM32_DMA_ISR_TCIF DMA_ISR_TCIF1
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief STM32 DMA stream descriptor structure.
+ */
+typedef struct {
+ DMA_Channel_TypeDef *channel; /**< @brief Associated DMA channel. */
+ volatile uint32_t *ifcr; /**< @brief Associated IFCR reg. */
+ uint8_t ishift; /**< @brief Bits offset in xIFCR
+ register. */
+ uint8_t selfindex; /**< @brief Index to self in array. */
+ uint8_t vector; /**< @brief Associated IRQ vector. */
+} stm32_dma_stream_t;
+
+/**
+ * @brief STM32 DMA ISR function type.
+ *
+ * @param[in] p parameter for the registered function
+ * @param[in] flags pre-shifted content of the ISR register, the bits
+ * are aligned to bit zero
+ */
+typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags);
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Macro Functions
+ * @{
+ */
+/**
+ * @brief Associates a peripheral data register to a DMA stream.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] addr value to be written in the CPAR register
+ *
+ * @special
+ */
+#define dmaStreamSetPeripheral(dmastp, addr) { \
+ (dmastp)->channel->CPAR = (uint32_t)(addr); \
+}
+
+/**
+ * @brief Associates a memory destination to a DMA stream.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] addr value to be written in the CMAR register
+ *
+ * @special
+ */
+#define dmaStreamSetMemory0(dmastp, addr) { \
+ (dmastp)->channel->CMAR = (uint32_t)(addr); \
+}
+
+/**
+ * @brief Sets the number of transfers to be performed.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] size value to be written in the CNDTR register
+ *
+ * @special
+ */
+#define dmaStreamSetTransactionSize(dmastp, size) { \
+ (dmastp)->channel->CNDTR = (uint32_t)(size); \
+}
+
+/**
+ * @brief Returns the number of transfers to be performed.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @return The number of transfers to be performed.
+ *
+ * @special
+ */
+#define dmaStreamGetTransactionSize(dmastp) ((size_t)((dmastp)->channel->CNDTR))
+
+/**
+ * @brief Programs the stream mode settings.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] mode value to be written in the CCR register
+ *
+ * @special
+ */
+#define dmaStreamSetMode(dmastp, mode) { \
+ (dmastp)->channel->CCR = (uint32_t)(mode); \
+}
+
+/**
+ * @brief DMA stream enable.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamEnable(dmastp) { \
+ (dmastp)->channel->CCR |= STM32_DMA_CR_EN; \
+}
+
+/**
+ * @brief DMA stream disable.
+ * @details The function disables the specified stream and then clears any
+ * pending interrupt.
+ * @note This function can be invoked in both ISR or thread context.
+ * @note Interrupts enabling flags are set to zero after this call, see
+ * bug 3607518.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamDisable(dmastp) { \
+ (dmastp)->channel->CCR &= ~(STM32_DMA_CR_TCIE | STM32_DMA_CR_HTIE | \
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_EN); \
+ dmaStreamClearInterrupt(dmastp); \
+}
+
+/**
+ * @brief DMA stream interrupt sources clear.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamClearInterrupt(dmastp) { \
+ *(dmastp)->ifcr = STM32_DMA_ISR_MASK << (dmastp)->ishift; \
+}
+
+/**
+ * @brief Starts a memory to memory operation using the specified stream.
+ * @note The default transfer data mode is "byte to byte" but it can be
+ * changed by specifying extra options in the @p mode parameter.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] mode value to be written in the CCR register, this value
+ * is implicitly ORed with:
+ * - @p STM32_DMA_CR_MINC
+ * - @p STM32_DMA_CR_PINC
+ * - @p STM32_DMA_CR_DIR_M2M
+ * - @p STM32_DMA_CR_EN
+ * .
+ * @param[in] src source address
+ * @param[in] dst destination address
+ * @param[in] n number of data units to copy
+ */
+#define dmaStartMemCopy(dmastp, mode, src, dst, n) { \
+ dmaStreamSetPeripheral(dmastp, src); \
+ dmaStreamSetMemory0(dmastp, dst); \
+ dmaStreamSetTransactionSize(dmastp, n); \
+ dmaStreamSetMode(dmastp, (mode) | \
+ STM32_DMA_CR_MINC | STM32_DMA_CR_PINC | \
+ STM32_DMA_CR_DIR_M2M | STM32_DMA_CR_EN); \
+}
+
+/**
+ * @brief Polled wait for DMA transfer end.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ */
+#define dmaWaitCompletion(dmastp) { \
+ while ((dmastp)->channel->CNDTR > 0) \
+ ; \
+ dmaStreamDisable(dmastp); \
+}
+
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+extern const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS];
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void dmaInit(void);
+ bool dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
+ uint32_t priority,
+ stm32_dmaisr_t func,
+ void *param);
+ void dmaStreamRelease(const stm32_dma_stream_t *dmastp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _STM32_DMA_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F37x/stm32_isr.h b/os/hal/ports/STM32/STM32F37x/stm32_isr.h new file mode 100644 index 000000000..30d98163e --- /dev/null +++ b/os/hal/ports/STM32/STM32F37x/stm32_isr.h @@ -0,0 +1,126 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F37x/stm32_isr.h
+ * @brief ISR remapper driver header.
+ *
+ * @addtogroup STM32F37x_ISR
+ * @{
+ */
+
+#ifndef _STM32_ISR_H_
+#define _STM32_ISR_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name ISR names and numbers remapping
+ * @{
+ */
+/*
+ * CAN units.
+ */
+#define STM32_CAN1_TX_HANDLER Vector8C
+#define STM32_CAN1_RX0_HANDLER Vector90
+#define STM32_CAN1_RX1_HANDLER Vector94
+#define STM32_CAN1_SCE_HANDLER Vector98
+
+#define STM32_CAN1_TX_NUMBER 19
+#define STM32_CAN1_RX0_NUMBER 20
+#define STM32_CAN1_RX1_NUMBER 21
+#define STM32_CAN1_SCE_NUMBER 22
+
+/*
+ * I2C units.
+ */
+#define STM32_I2C1_EVENT_HANDLER VectorBC
+#define STM32_I2C1_ERROR_HANDLER VectorC0
+#define STM32_I2C1_EVENT_NUMBER 31
+#define STM32_I2C1_ERROR_NUMBER 32
+
+#define STM32_I2C2_EVENT_HANDLER VectorC4
+#define STM32_I2C2_ERROR_HANDLER VectorC8
+#define STM32_I2C2_EVENT_NUMBER 33
+#define STM32_I2C2_ERROR_NUMBER 34
+
+/*
+ * TIM units.
+ */
+#define STM32_TIM2_HANDLER VectorB0
+#define STM32_TIM3_HANDLER VectorB4
+#define STM32_TIM4_HANDLER VectorB8
+#define STM32_TIM5_HANDLER Vector108
+#define STM32_TIM6_HANDLER Vector118
+#define STM32_TIM7_HANDLER Vector11C
+#define STM32_TIM12_HANDLER VectorEC
+#define STM32_TIM14_HANDLER VectorF4
+
+#define STM32_TIM2_NUMBER 28
+#define STM32_TIM3_NUMBER 29
+#define STM32_TIM4_NUMBER 30
+#define STM32_TIM5_NUMBER 50
+#define STM32_TIM6_NUMBER 54
+#define STM32_TIM7_NUMBER 55
+#define STM32_TIM12_NUMBER 43
+#define STM32_TIM14_NUMBER 45
+
+/*
+ * USART units.
+ */
+#define STM32_USART1_HANDLER VectorD4
+#define STM32_USART2_HANDLER VectorD8
+#define STM32_USART3_HANDLER VectorDC
+
+#define STM32_USART1_NUMBER 37
+#define STM32_USART2_NUMBER 38
+#define STM32_USART3_NUMBER 39
+
+/*
+ * USB units.
+ */
+#define STM32_USB1_HP_HANDLER Vector168
+#define STM32_USB1_LP_HANDLER Vector16C
+
+#define STM32_USB1_HP_NUMBER 74
+#define STM32_USB1_LP_NUMBER 75
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#endif /* _STM32_ISR_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F37x/stm32_rcc.h b/os/hal/ports/STM32/STM32F37x/stm32_rcc.h new file mode 100644 index 000000000..607d9d7bc --- /dev/null +++ b/os/hal/ports/STM32/STM32F37x/stm32_rcc.h @@ -0,0 +1,860 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F37x/stm32_rcc.h
+ * @brief RCC helper driver header.
+ * @note This file requires definitions from the ST header file
+ * @p stm32f30x.h.
+ *
+ * @addtogroup STM32F37x_RCC
+ * @{
+ */
+
+#ifndef _STM32_RCC_
+#define _STM32_RCC_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Generic RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the clock of one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB1(mask, lp) { \
+ RCC->APB1ENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB1(mask, lp) { \
+ RCC->APB1ENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAPB1(mask) { \
+ RCC->APB1RSTR |= (mask); \
+ RCC->APB1RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB2(mask, lp) { \
+ RCC->APB2ENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB2(mask, lp) { \
+ RCC->APB2ENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAPB2(mask) { \
+ RCC->APB2RSTR |= (mask); \
+ RCC->APB2RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the AHB bus.
+ *
+ * @param[in] mask AHB peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAHB(mask, lp) { \
+ RCC->AHBENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the AHB bus.
+ *
+ * @param[in] mask AHB peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAHB(mask, lp) { \
+ RCC->AHBENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the AHB bus.
+ *
+ * @param[in] mask AHB peripherals mask
+ *
+ * @api
+ */
+#define rccResetAHB(mask) { \
+ RCC->AHBRSTR |= (mask); \
+ RCC->AHBRSTR = 0; \
+}
+/** @} */
+
+/**
+ * @name ADC1 peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the ADC peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableADC1(lp) rccEnableAPB2(RCC_APB2ENR_ADC1EN, lp)
+
+/**
+ * @brief Disables the ADC1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableADC1(lp) rccDisableAPB2(RCC_APB2ENR_ADC1EN, lp)
+
+/**
+ * @brief Resets the ADC1 peripheral.
+ *
+ * @api
+ */
+#define rccResetADC1() rccResetAPB2(RCC_APB2RSTR_ADC1RST)
+/** @} */
+
+/**
+ * @name CAN peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the CAN1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableCAN1(lp) rccEnableAPB1(RCC_APB1ENR_CAN1EN, lp)
+
+/**
+ * @brief Disables the CAN1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableCAN1(lp) rccDisableAPB1(RCC_APB1ENR_CAN1EN, lp)
+
+/**
+ * @brief Resets the CAN1 peripheral.
+ *
+ * @api
+ */
+#define rccResetCAN1() rccResetAPB1(RCC_APB1RSTR_CAN1RST)
+/** @} */
+
+/**
+ * @name DMA peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the DMA1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableDMA1(lp) rccEnableAHB(RCC_AHBENR_DMA1EN, lp)
+
+/**
+ * @brief Disables the DMA1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableDMA1(lp) rccDisableAHB(RCC_AHBENR_DMA1EN, lp)
+
+/**
+ * @brief Resets the DMA1 peripheral.
+ *
+ * @api
+ */
+#define rccResetDMA1() rccResetAHB(RCC_AHBRSTR_DMA1RST)
+
+/**
+ * @brief Enables the DMA2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableDMA2(lp) rccEnableAHB(RCC_AHBENR_DMA2EN, lp)
+
+/**
+ * @brief Disables the DMA2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableDMA2(lp) rccDisableAHB(RCC_AHBENR_DMA2EN, lp)
+
+/**
+ * @brief Resets the DMA2 peripheral.
+ *
+ * @api
+ */
+#define rccResetDMA2() rccResetAHB(RCC_AHBRSTR_DMA2RST)
+/** @} */
+
+/**
+ * @name PWR interface specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the PWR interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnablePWRInterface(lp) rccEnableAPB1(RCC_APB1ENR_PWREN, lp)
+
+/**
+ * @brief Disables PWR interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisablePWRInterface(lp) rccDisableAPB1(RCC_APB1ENR_PWREN, lp)
+
+/**
+ * @brief Resets the PWR interface.
+ *
+ * @api
+ */
+#define rccResetPWRInterface() rccResetAPB1(RCC_APB1RSTR_PWRRST)
+/** @} */
+
+/**
+ * @name I2C peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the I2C1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C1(lp) rccEnableAPB1(RCC_APB1ENR_I2C1EN, lp)
+
+/**
+ * @brief Disables the I2C1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableI2C1(lp) rccDisableAPB1(RCC_APB1ENR_I2C1EN, lp)
+
+/**
+ * @brief Resets the I2C1 peripheral.
+ *
+ * @api
+ */
+#define rccResetI2C1() rccResetAPB1(RCC_APB1RSTR_I2C1RST)
+
+/**
+ * @brief Enables the I2C2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C2(lp) rccEnableAPB1(RCC_APB1ENR_I2C2EN, lp)
+
+/**
+ * @brief Disables the I2C2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableI2C2(lp) rccDisableAPB1(RCC_APB1ENR_I2C2EN, lp)
+
+/**
+ * @brief Resets the I2C2 peripheral.
+ *
+ * @api
+ */
+#define rccResetI2C2() rccResetAPB1(RCC_APB1RSTR_I2C2RST)
+/** @} */
+
+/**
+ * @name SDADC peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the SDADC1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSDADC1(lp) rccEnableAPB2(RCC_APB2ENR_SDADC1EN, lp)
+
+/**
+ * @brief Disables the SDADC1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSDADC1(lp) rccDisableAPB2(RCC_APB2ENR_SDADC1EN, lp)
+
+/**
+ * @brief Resets the SDADC1 peripheral.
+ *
+ * @api
+ */
+#define rccResetSDADC1() rccResetAPB2(RCC_APB2RSTR_SDADC1RST)
+
+/**
+ * @brief Enables the SDADC2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSDADC2(lp) rccEnableAPB2(RCC_APB2ENR_SDADC2EN, lp)
+
+/**
+ * @brief Disables the SDADC2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSDADC2(lp) rccDisableAPB2(RCC_APB2ENR_SDADC2EN, lp)
+
+/**
+ * @brief Resets the SDADC2 peripheral.
+ *
+ * @api
+ */
+#define rccResetSDADC2() rccResetAPB2(RCC_APB2RSTR_SDADC2RST)
+
+/**
+ * @brief Enables the SDADC3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSDADC3(lp) rccEnableAPB2(RCC_APB2ENR_SDADC3EN, lp)
+
+/**
+ * @brief Disables the SDADC3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSDADC3(lp) rccDisableAPB2(RCC_APB2ENR_SDADC3EN, lp)
+
+/**
+ * @brief Resets the SDADC3 peripheral.
+ *
+ * @api
+ */
+#define rccResetSDADC3() rccResetAPB2(RCC_APB2RSTR_SDADC3RST)
+/** @} */
+
+/**
+ * @name SPI peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the SPI1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI1(lp) rccEnableAPB2(RCC_APB2ENR_SPI1EN, lp)
+
+/**
+ * @brief Disables the SPI1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI1(lp) rccDisableAPB2(RCC_APB2ENR_SPI1EN, lp)
+
+/**
+ * @brief Resets the SPI1 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI1() rccResetAPB2(RCC_APB2RSTR_SPI1RST)
+
+/**
+ * @brief Enables the SPI2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI2(lp) rccEnableAPB1(RCC_APB1ENR_SPI2EN, lp)
+
+/**
+ * @brief Disables the SPI2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI2(lp) rccDisableAPB1(RCC_APB1ENR_SPI2EN, lp)
+
+/**
+ * @brief Resets the SPI2 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI2() rccResetAPB1(RCC_APB1RSTR_SPI2RST)
+
+/**
+ * @brief Enables the SPI3 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI3(lp) rccEnableAPB1(RCC_APB1ENR_SPI3EN, lp)
+
+/**
+ * @brief Disables the SPI3 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI3(lp) rccDisableAPB1(RCC_APB1ENR_SPI3EN, lp)
+
+/**
+ * @brief Resets the SPI3 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI3() rccResetAPB1(RCC_APB1RSTR_SPI3RST)
+/** @} */
+
+/**
+ * @name TIM peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the TIM2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM2(lp) rccEnableAPB1(RCC_APB1ENR_TIM2EN, lp)
+
+/**
+ * @brief Disables the TIM2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM2(lp) rccDisableAPB1(RCC_APB1ENR_TIM2EN, lp)
+
+/**
+ * @brief Resets the TIM2 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM2() rccResetAPB1(RCC_APB1RSTR_TIM2RST)
+
+/**
+ * @brief Enables the TIM3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM3(lp) rccEnableAPB1(RCC_APB1ENR_TIM3EN, lp)
+
+/**
+ * @brief Disables the TIM3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM3(lp) rccDisableAPB1(RCC_APB1ENR_TIM3EN, lp)
+
+/**
+ * @brief Resets the TIM3 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM3() rccResetAPB1(RCC_APB1RSTR_TIM3RST)
+
+/**
+ * @brief Enables the TIM4 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM4(lp) rccEnableAPB1(RCC_APB1ENR_TIM4EN, lp)
+
+/**
+ * @brief Disables the TIM4 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM4(lp) rccDisableAPB1(RCC_APB1ENR_TIM4EN, lp)
+
+/**
+ * @brief Resets the TIM4 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM4() rccResetAPB1(RCC_APB1RSTR_TIM4RST)
+
+/**
+ * @brief Enables the TIM5 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM5(lp) rccEnableAPB1(RCC_APB1ENR_TIM5EN, lp)
+
+/**
+ * @brief Disables the TIM5 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM5(lp) rccDisableAPB1(RCC_APB1ENR_TIM5EN, lp)
+
+/**
+ * @brief Resets the TIM5 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM5() rccResetAPB1(RCC_APB1RSTR_TIM5RST)
+
+/**
+ * @brief Enables the TIM6 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM6(lp) rccEnableAPB1(RCC_APB1ENR_TIM6EN, lp)
+
+/**
+ * @brief Disables the TIM6 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM6(lp) rccDisableAPB1(RCC_APB1ENR_TIM6EN, lp)
+
+/**
+ * @brief Resets the TIM6 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM6() rccResetAPB1(RCC_APB1RSTR_TIM6RST)
+/** @} */
+
+/**
+ * @brief Enables the TIM7 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM7(lp) rccEnableAPB1(RCC_APB1ENR_TIM7EN, lp)
+
+/**
+ * @brief Disables the TIM7 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM7(lp) rccDisableAPB1(RCC_APB1ENR_TIM7EN, lp)
+
+/**
+ * @brief Resets the TIM7 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM7() rccResetAPB1(RCC_APB1RSTR_TIM7RST)
+/** @} */
+
+/**
+ * @brief Enables the TIM12 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM12(lp) rccEnableAPB1(RCC_APB1ENR_TIM12EN, lp)
+
+/**
+ * @brief Disables the TIM12 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM12(lp) rccDisableAPB1(RCC_APB1ENR_TIM12EN, lp)
+
+/**
+ * @brief Resets the TIM12 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM12() rccResetAPB1(RCC_APB1RSTR_TIM12RST)
+/** @} */
+
+/**
+ * @brief Enables the TIM14 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM14(lp) rccEnableAPB1(RCC_APB1ENR_TIM14EN, lp)
+
+/**
+ * @brief Disables the TIM14 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM14(lp) rccDisableAPB1(RCC_APB1ENR_TIM14EN, lp)
+
+/**
+ * @brief Resets the TIM14 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM14() rccResetAPB1(RCC_APB1RSTR_TIM14RST)
+/** @} */
+
+/**
+ * @name USART/UART peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the USART1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART1(lp) rccEnableAPB2(RCC_APB2ENR_USART1EN, lp)
+
+/**
+ * @brief Disables the USART1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART1(lp) rccDisableAPB2(RCC_APB2ENR_USART1EN, lp)
+
+/**
+ * @brief Resets the USART1 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART1() rccResetAPB2(RCC_APB2RSTR_USART1RST)
+
+/**
+ * @brief Enables the USART2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART2(lp) rccEnableAPB1(RCC_APB1ENR_USART2EN, lp)
+
+/**
+ * @brief Disables the USART2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART2(lp) rccDisableAPB1(RCC_APB1ENR_USART2EN, lp)
+
+/**
+ * @brief Resets the USART2 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART2() rccResetAPB1(RCC_APB1RSTR_USART2RST)
+
+/**
+ * @brief Enables the USART3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART3(lp) rccEnableAPB1(RCC_APB1ENR_USART3EN, lp)
+
+/**
+ * @brief Disables the USART3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART3(lp) rccDisableAPB1(RCC_APB1ENR_USART3EN, lp)
+
+/**
+ * @brief Resets the USART3 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART3() rccResetAPB1(RCC_APB1RSTR_USART3RST)
+/** @} */
+
+/**
+ * @name USB peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the USB peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSB(lp) rccEnableAPB1(RCC_APB1ENR_USBEN, lp)
+
+/**
+ * @brief Disables the USB peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSB(lp) rccDisableAPB1(RCC_APB1ENR_USBEN, lp)
+
+/**
+ * @brief Resets the USB peripheral.
+ *
+ * @api
+ */
+#define rccResetUSB() rccResetAPB1(RCC_APB1RSTR_USBRST)
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _STM32_RCC_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F37x/stm32_registry.h b/os/hal/ports/STM32/STM32F37x/stm32_registry.h new file mode 100644 index 000000000..61bde9281 --- /dev/null +++ b/os/hal/ports/STM32/STM32F37x/stm32_registry.h @@ -0,0 +1,203 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F37x/stm32_registry.h
+ * @brief STM32F37x capabilities registry.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _STM32_REGISTRY_H_
+#define _STM32_REGISTRY_H_
+
+/*===========================================================================*/
+/* Platform capabilities. */
+/*===========================================================================*/
+
+/**
+ * @name STM32F37x capabilities
+ * @{
+ */
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 FALSE
+#define STM32_HAS_ADC3 FALSE
+#define STM32_HAS_ADC4 FALSE
+
+#define STM32_HAS_SDADC1 TRUE
+#define STM32_HAS_SDADC2 TRUE
+#define STM32_HAS_SDADC3 TRUE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 TRUE
+#define STM32_HAS_CAN2 FALSE
+#define STM32_CAN_MAX_FILTERS 14
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC1 TRUE
+#define STM32_HAS_DAC2 TRUE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA FALSE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 TRUE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH FALSE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 29
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD TRUE
+#define STM32_HAS_GPIOE TRUE
+#define STM32_HAS_GPIOF TRUE
+#define STM32_HAS_GPIOG FALSE
+#define STM32_HAS_GPIOH FALSE
+#define STM32_HAS_GPIOI FALSE
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+
+#define STM32_HAS_I2C2 TRUE
+#define STM32_I2C_I2C2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_I2C_I2C2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_I2C3 FALSE
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#define STM32_RTC_HAS_SUBSECONDS TRUE
+#define STM32_RTC_IS_CALENDAR TRUE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO FALSE
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+
+#define STM32_HAS_SPI2 TRUE
+#define STM32_SPI_SPI2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+#define STM32_SPI_SPI2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+
+#define STM32_HAS_SPI3 TRUE
+#define STM32_SPI_SPI3_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 1)
+#define STM32_SPI_SPI3_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 2)
+
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+
+/* TIM attributes.*/
+#define STM32_TIM_MAX_CHANNELS 4
+
+#define STM32_HAS_TIM2 TRUE
+#define STM32_TIM2_IS_32BITS TRUE
+#define STM32_TIM2_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM4 TRUE
+#define STM32_TIM4_IS_32BITS FALSE
+#define STM32_TIM4_CHANNELS 4
+
+#define STM32_HAS_TIM5 TRUE
+#define STM32_TIM5_IS_32BITS TRUE
+#define STM32_TIM5_CHANNELS 4
+
+#define STM32_HAS_TIM6 TRUE
+#define STM32_TIM6_IS_32BITS FALSE
+#define STM32_TIM6_CHANNELS 0
+
+#define STM32_HAS_TIM7 TRUE
+#define STM32_TIM7_IS_32BITS FALSE
+#define STM32_TIM7_CHANNELS 0
+
+#define STM32_HAS_TIM12 TRUE
+#define STM32_TIM12_IS_32BITS FALSE
+#define STM32_TIM12_CHANNELS 2
+
+#define STM32_HAS_TIM13 TRUE
+#define STM32_TIM13_IS_32BITS FALSE
+#define STM32_TIM13_CHANNELS 2
+
+#define STM32_HAS_TIM14 TRUE
+#define STM32_TIM14_IS_32BITS FALSE
+#define STM32_TIM14_CHANNELS 2
+
+#define STM32_HAS_TIM15 TRUE
+#define STM32_TIM15_IS_32BITS FALSE
+#define STM32_TIM15_CHANNELS 2
+
+#define STM32_HAS_TIM16 TRUE
+#define STM32_TIM16_IS_32BITS FALSE
+#define STM32_TIM16_CHANNELS 2
+
+#define STM32_HAS_TIM17 TRUE
+#define STM32_TIM17_IS_32BITS FALSE
+#define STM32_TIM17_CHANNELS 2
+
+#define STM32_HAS_TIM18 TRUE
+#define STM32_TIM18_IS_32BITS FALSE
+#define STM32_TIM18_CHANNELS 0
+
+#define STM32_HAS_TIM19 TRUE
+#define STM32_TIM19_IS_32BITS FALSE
+#define STM32_TIM19_CHANNELS 4
+
+#define STM32_HAS_TIM1 FALSE
+#define STM32_HAS_TIM8 FALSE
+#define STM32_HAS_TIM9 FALSE
+#define STM32_HAS_TIM10 FALSE
+#define STM32_HAS_TIM11 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_USART2 TRUE
+#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+
+#define STM32_HAS_USART3 TRUE
+#define STM32_UART_USART3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_UART_USART3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_UART4 FALSE
+#define STM32_HAS_UART5 FALSE
+#define STM32_HAS_USART6 FALSE
+
+/* USB attributes.*/
+#define STM32_HAS_USB TRUE
+#define STM32_HAS_OTG1 FALSE
+#define STM32_HAS_OTG2 FALSE
+/** @} */
+
+#endif /* _STM32_REGISTRY_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F4xx/adc_lld.c b/os/hal/ports/STM32/STM32F4xx/adc_lld.c new file mode 100644 index 000000000..85cb485bc --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/adc_lld.c @@ -0,0 +1,418 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F4xx/adc_lld.c
+ * @brief STM32F4xx/STM32F2xx ADC subsystem low level driver source.
+ *
+ * @addtogroup ADC
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_ADC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+#define ADC1_DMA_CHANNEL \
+ STM32_DMA_GETCHANNEL(STM32_ADC_ADC1_DMA_STREAM, STM32_ADC1_DMA_CHN)
+
+#define ADC2_DMA_CHANNEL \
+ STM32_DMA_GETCHANNEL(STM32_ADC_ADC2_DMA_STREAM, STM32_ADC2_DMA_CHN)
+
+#define ADC3_DMA_CHANNEL \
+ STM32_DMA_GETCHANNEL(STM32_ADC_ADC3_DMA_STREAM, STM32_ADC3_DMA_CHN)
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/** @brief ADC1 driver identifier.*/
+#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)
+ADCDriver ADCD1;
+#endif
+
+/** @brief ADC2 driver identifier.*/
+#if STM32_ADC_USE_ADC2 || defined(__DOXYGEN__)
+ADCDriver ADCD2;
+#endif
+
+/** @brief ADC3 driver identifier.*/
+#if STM32_ADC_USE_ADC3 || defined(__DOXYGEN__)
+ADCDriver ADCD3;
+#endif
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief ADC DMA ISR service routine.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ * @param[in] flags pre-shifted content of the ISR register
+ */
+static void adc_lld_serve_rx_interrupt(ADCDriver *adcp, uint32_t flags) {
+
+ /* DMA errors handling.*/
+ if ((flags & (STM32_DMA_ISR_TEIF | STM32_DMA_ISR_DMEIF)) != 0) {
+ /* DMA, this could help only if the DMA tries to access an unmapped
+ address space or violates alignment rules.*/
+ _adc_isr_error_code(adcp, ADC_ERR_DMAFAILURE);
+ }
+ else {
+ /* It is possible that the conversion group has already be reset by the
+ ADC error handler, in this case this interrupt is spurious.*/
+ if (adcp->grpp != NULL) {
+ if ((flags & STM32_DMA_ISR_TCIF) != 0) {
+ /* Transfer complete processing.*/
+ _adc_isr_full_code(adcp);
+ }
+ else if ((flags & STM32_DMA_ISR_HTIF) != 0) {
+ /* Half transfer processing.*/
+ _adc_isr_half_code(adcp);
+ }
+ }
+ }
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 || STM32_ADC_USE_ADC2 || STM32_ADC_USE_ADC3 || \
+ defined(__DOXYGEN__)
+/**
+ * @brief ADC interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(ADC1_2_3_IRQHandler) {
+ uint32_t sr;
+
+ OSAL_IRQ_PROLOGUE();
+
+#if STM32_ADC_USE_ADC1
+ sr = ADC1->SR;
+ ADC1->SR = 0;
+ /* Note, an overflow may occur after the conversion ended before the driver
+ is able to stop the ADC, this is why the DMA channel is checked too.*/
+ if ((sr & ADC_SR_OVR) && (dmaStreamGetTransactionSize(ADCD1.dmastp) > 0)) {
+ /* ADC overflow condition, this could happen only if the DMA is unable
+ to read data fast enough.*/
+ if (ADCD1.grpp != NULL)
+ _adc_isr_error_code(&ADCD1, ADC_ERR_OVERFLOW);
+ }
+ /* TODO: Add here analog watchdog handling.*/
+#endif /* STM32_ADC_USE_ADC1 */
+
+#if STM32_ADC_USE_ADC2
+ sr = ADC2->SR;
+ ADC2->SR = 0;
+ /* Note, an overflow may occur after the conversion ended before the driver
+ is able to stop the ADC, this is why the DMA channel is checked too.*/
+ if ((sr & ADC_SR_OVR) && (dmaStreamGetTransactionSize(ADCD2.dmastp) > 0)) {
+ /* ADC overflow condition, this could happen only if the DMA is unable
+ to read data fast enough.*/
+ if (ADCD2.grpp != NULL)
+ _adc_isr_error_code(&ADCD2, ADC_ERR_OVERFLOW);
+ }
+ /* TODO: Add here analog watchdog handling.*/
+#endif /* STM32_ADC_USE_ADC2 */
+
+#if STM32_ADC_USE_ADC3
+ sr = ADC3->SR;
+ ADC3->SR = 0;
+ /* Note, an overflow may occur after the conversion ended before the driver
+ is able to stop the ADC, this is why the DMA channel is checked too.*/
+ if ((sr & ADC_SR_OVR) && (dmaStreamGetTransactionSize(ADCD3.dmastp) > 0)) {
+ /* ADC overflow condition, this could happen only if the DMA is unable
+ to read data fast enough.*/
+ if (ADCD3.grpp != NULL)
+ _adc_isr_error_code(&ADCD3, ADC_ERR_OVERFLOW);
+ }
+ /* TODO: Add here analog watchdog handling.*/
+#endif /* STM32_ADC_USE_ADC3 */
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level ADC driver initialization.
+ *
+ * @notapi
+ */
+void adc_lld_init(void) {
+
+#if STM32_ADC_USE_ADC1
+ /* Driver initialization.*/
+ adcObjectInit(&ADCD1);
+ ADCD1.adc = ADC1;
+ ADCD1.dmastp = STM32_DMA_STREAM(STM32_ADC_ADC1_DMA_STREAM);
+ ADCD1.dmamode = STM32_DMA_CR_CHSEL(ADC1_DMA_CHANNEL) |
+ STM32_DMA_CR_PL(STM32_ADC_ADC1_DMA_PRIORITY) |
+ STM32_DMA_CR_DIR_P2M |
+ STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
+#endif
+
+#if STM32_ADC_USE_ADC2
+ /* Driver initialization.*/
+ adcObjectInit(&ADCD2);
+ ADCD2.adc = ADC2;
+ ADCD2.dmastp = STM32_DMA_STREAM(STM32_ADC_ADC2_DMA_STREAM);
+ ADCD2.dmamode = STM32_DMA_CR_CHSEL(ADC2_DMA_CHANNEL) |
+ STM32_DMA_CR_PL(STM32_ADC_ADC2_DMA_PRIORITY) |
+ STM32_DMA_CR_DIR_P2M |
+ STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
+#endif
+
+#if STM32_ADC_USE_ADC3
+ /* Driver initialization.*/
+ adcObjectInit(&ADCD3);
+ ADCD3.adc = ADC3;
+ ADCD3.dmastp = STM32_DMA_STREAM(STM32_ADC_ADC3_DMA_STREAM);
+ ADCD3.dmamode = STM32_DMA_CR_CHSEL(ADC3_DMA_CHANNEL) |
+ STM32_DMA_CR_PL(STM32_ADC_ADC3_DMA_PRIORITY) |
+ STM32_DMA_CR_DIR_P2M |
+ STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
+#endif
+
+ /* The shared vector is initialized on driver initialization and never
+ disabled.*/
+ nvicEnableVector(ADC_IRQn, STM32_ADC_IRQ_PRIORITY);
+}
+
+/**
+ * @brief Configures and activates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_start(ADCDriver *adcp) {
+
+ /* If in stopped state then enables the ADC and DMA clocks.*/
+ if (adcp->state == ADC_STOP) {
+#if STM32_ADC_USE_ADC1
+ if (&ADCD1 == adcp) {
+ bool b;
+ b = dmaStreamAllocate(adcp->dmastp,
+ STM32_ADC_ADC1_DMA_IRQ_PRIORITY,
+ (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
+ (void *)adcp);
+ osalDbgAssert(!b, "stream already allocated");
+ dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR);
+ rccEnableADC1(FALSE);
+ }
+#endif /* STM32_ADC_USE_ADC1 */
+
+#if STM32_ADC_USE_ADC2
+ if (&ADCD2 == adcp) {
+ bool b;
+ b = dmaStreamAllocate(adcp->dmastp,
+ STM32_ADC_ADC2_DMA_IRQ_PRIORITY,
+ (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
+ (void *)adcp);
+ osalDbgAssert(!b, "stream already allocated");
+ dmaStreamSetPeripheral(adcp->dmastp, &ADC2->DR);
+ rccEnableADC2(FALSE);
+ }
+#endif /* STM32_ADC_USE_ADC2 */
+
+#if STM32_ADC_USE_ADC3
+ if (&ADCD3 == adcp) {
+ bool b;
+ b = dmaStreamAllocate(adcp->dmastp,
+ STM32_ADC_ADC3_DMA_IRQ_PRIORITY,
+ (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
+ (void *)adcp);
+ osalDbgAssert(!b, "stream already allocated");
+ dmaStreamSetPeripheral(adcp->dmastp, &ADC3->DR);
+ rccEnableADC3(FALSE);
+ }
+#endif /* STM32_ADC_USE_ADC3 */
+
+ /* This is a common register but apparently it requires that at least one
+ of the ADCs is clocked in order to allow writing, see bug 3575297.*/
+ ADC->CCR = (ADC->CCR & (ADC_CCR_TSVREFE | ADC_CCR_VBATE)) |
+ (STM32_ADC_ADCPRE << 16);
+
+ /* ADC initial setup, starting the analog part here in order to reduce
+ the latency when starting a conversion.*/
+ adcp->adc->CR1 = 0;
+ adcp->adc->CR2 = 0;
+ adcp->adc->CR2 = ADC_CR2_ADON;
+ }
+}
+
+/**
+ * @brief Deactivates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_stop(ADCDriver *adcp) {
+
+ /* If in ready state then disables the ADC clock.*/
+ if (adcp->state == ADC_READY) {
+ dmaStreamRelease(adcp->dmastp);
+ adcp->adc->CR1 = 0;
+ adcp->adc->CR2 = 0;
+
+#if STM32_ADC_USE_ADC1
+ if (&ADCD1 == adcp)
+ rccDisableADC1(FALSE);
+#endif
+
+#if STM32_ADC_USE_ADC2
+ if (&ADCD2 == adcp)
+ rccDisableADC2(FALSE);
+#endif
+
+#if STM32_ADC_USE_ADC3
+ if (&ADCD3 == adcp)
+ rccDisableADC3(FALSE);
+#endif
+ }
+}
+
+/**
+ * @brief Starts an ADC conversion.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_start_conversion(ADCDriver *adcp) {
+ uint32_t mode;
+ const ADCConversionGroup *grpp = adcp->grpp;
+
+ /* DMA setup.*/
+ mode = adcp->dmamode;
+ if (grpp->circular) {
+ mode |= STM32_DMA_CR_CIRC;
+ if (adcp->depth > 1) {
+ /* If circular buffer depth > 1, then the half transfer interrupt
+ is enabled in order to allow streaming processing.*/
+ mode |= STM32_DMA_CR_HTIE;
+ }
+ }
+ dmaStreamSetMemory0(adcp->dmastp, adcp->samples);
+ dmaStreamSetTransactionSize(adcp->dmastp, (uint32_t)grpp->num_channels *
+ (uint32_t)adcp->depth);
+ dmaStreamSetMode(adcp->dmastp, mode);
+ dmaStreamEnable(adcp->dmastp);
+
+ /* ADC setup.*/
+ adcp->adc->SR = 0;
+ adcp->adc->SMPR1 = grpp->smpr1;
+ adcp->adc->SMPR2 = grpp->smpr2;
+ adcp->adc->SQR1 = grpp->sqr1;
+ adcp->adc->SQR2 = grpp->sqr2;
+ adcp->adc->SQR3 = grpp->sqr3;
+
+ /* ADC configuration and start, the start is performed using the method
+ specified in the CR2 configuration, usually ADC_CR2_SWSTART.*/
+ adcp->adc->CR1 = grpp->cr1 | ADC_CR1_OVRIE | ADC_CR1_SCAN;
+ if ((grpp->cr2 & ADC_CR2_SWSTART) != 0)
+ adcp->adc->CR2 = grpp->cr2 | ADC_CR2_CONT | ADC_CR2_DMA |
+ ADC_CR2_DDS | ADC_CR2_ADON;
+ else
+ adcp->adc->CR2 = grpp->cr2 | ADC_CR2_DMA |
+ ADC_CR2_DDS | ADC_CR2_ADON;
+}
+
+/**
+ * @brief Stops an ongoing conversion.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_stop_conversion(ADCDriver *adcp) {
+
+ dmaStreamDisable(adcp->dmastp);
+ adcp->adc->CR1 = 0;
+ adcp->adc->CR2 = 0;
+ adcp->adc->CR2 = ADC_CR2_ADON;
+}
+
+/**
+ * @brief Enables the TSVREFE bit.
+ * @details The TSVREFE bit is required in order to sample the internal
+ * temperature sensor and internal reference voltage.
+ * @note This is an STM32-only functionality.
+ */
+void adcSTM32EnableTSVREFE(void) {
+
+ ADC->CCR |= ADC_CCR_TSVREFE;
+}
+
+/**
+ * @brief Disables the TSVREFE bit.
+ * @details The TSVREFE bit is required in order to sample the internal
+ * temperature sensor and internal reference voltage.
+ * @note This is an STM32-only functionality.
+ */
+void adcSTM32DisableTSVREFE(void) {
+
+ ADC->CCR &= ~ADC_CCR_TSVREFE;
+}
+
+/**
+ * @brief Enables the VBATE bit.
+ * @details The VBATE bit is required in order to sample the VBAT channel.
+ * @note This is an STM32-only functionality.
+ * @note This function is meant to be called after @p adcStart().
+ */
+void adcSTM32EnableVBATE(void) {
+
+ ADC->CCR |= ADC_CCR_VBATE;
+}
+
+/**
+ * @brief Disables the VBATE bit.
+ * @details The VBATE bit is required in order to sample the VBAT channel.
+ * @note This is an STM32-only functionality.
+ * @note This function is meant to be called after @p adcStart().
+ */
+void adcSTM32DisableVBATE(void) {
+
+ ADC->CCR &= ~ADC_CCR_VBATE;
+}
+
+#endif /* HAL_USE_ADC */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F4xx/adc_lld.h b/os/hal/ports/STM32/STM32F4xx/adc_lld.h new file mode 100644 index 000000000..6b6530a61 --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/adc_lld.h @@ -0,0 +1,563 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F4xx/adc_lld.h
+ * @brief STM32F4xx/STM32F2xx ADC subsystem low level driver header.
+ *
+ * @addtogroup ADC
+ * @{
+ */
+
+#ifndef _ADC_LLD_H_
+#define _ADC_LLD_H_
+
+#if HAL_USE_ADC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Absolute Maximum Ratings
+ * @{
+ */
+/**
+ * @brief Minimum ADC clock frequency.
+ */
+#define STM32_ADCCLK_MIN 600000
+
+/**
+ * @brief Maximum ADC clock frequency.
+ */
+#if defined(STM32F4XX) || defined(__DOXYGEN__)
+#define STM32_ADCCLK_MAX 36000000
+#else
+#define STM32_ADCCLK_MAX 30000000
+#endif
+/** @} */
+
+/**
+ * @name Triggers selection
+ * @{
+ */
+#define ADC_CR2_EXTSEL_SRC(n) ((n) << 24) /**< @brief Trigger source. */
+/** @} */
+
+/**
+ * @name ADC clock divider settings
+ * @{
+ */
+#define ADC_CCR_ADCPRE_DIV2 0
+#define ADC_CCR_ADCPRE_DIV4 1
+#define ADC_CCR_ADCPRE_DIV6 2
+#define ADC_CCR_ADCPRE_DIV8 3
+/** @} */
+
+/**
+ * @name Available analog channels
+ * @{
+ */
+#define ADC_CHANNEL_IN0 0 /**< @brief External analog input 0. */
+#define ADC_CHANNEL_IN1 1 /**< @brief External analog input 1. */
+#define ADC_CHANNEL_IN2 2 /**< @brief External analog input 2. */
+#define ADC_CHANNEL_IN3 3 /**< @brief External analog input 3. */
+#define ADC_CHANNEL_IN4 4 /**< @brief External analog input 4. */
+#define ADC_CHANNEL_IN5 5 /**< @brief External analog input 5. */
+#define ADC_CHANNEL_IN6 6 /**< @brief External analog input 6. */
+#define ADC_CHANNEL_IN7 7 /**< @brief External analog input 7. */
+#define ADC_CHANNEL_IN8 8 /**< @brief External analog input 8. */
+#define ADC_CHANNEL_IN9 9 /**< @brief External analog input 9. */
+#define ADC_CHANNEL_IN10 10 /**< @brief External analog input 10. */
+#define ADC_CHANNEL_IN11 11 /**< @brief External analog input 11. */
+#define ADC_CHANNEL_IN12 12 /**< @brief External analog input 12. */
+#define ADC_CHANNEL_IN13 13 /**< @brief External analog input 13. */
+#define ADC_CHANNEL_IN14 14 /**< @brief External analog input 14. */
+#define ADC_CHANNEL_IN15 15 /**< @brief External analog input 15. */
+#define ADC_CHANNEL_SENSOR 16 /**< @brief Internal temperature sensor.
+ @note Available onADC1 only. */
+#define ADC_CHANNEL_VREFINT 17 /**< @brief Internal reference.
+ @note Available onADC1 only. */
+#define ADC_CHANNEL_VBAT 18 /**< @brief VBAT.
+ @note Available onADC1 only. */
+/** @} */
+
+/**
+ * @name Sampling rates
+ * @{
+ */
+#define ADC_SAMPLE_3 0 /**< @brief 3 cycles sampling time. */
+#define ADC_SAMPLE_15 1 /**< @brief 15 cycles sampling time. */
+#define ADC_SAMPLE_28 2 /**< @brief 28 cycles sampling time. */
+#define ADC_SAMPLE_56 3 /**< @brief 56 cycles sampling time. */
+#define ADC_SAMPLE_84 4 /**< @brief 84 cycles sampling time. */
+#define ADC_SAMPLE_112 5 /**< @brief 112 cycles sampling time. */
+#define ADC_SAMPLE_144 6 /**< @brief 144 cycles sampling time. */
+#define ADC_SAMPLE_480 7 /**< @brief 480 cycles sampling time. */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief ADC common clock divider.
+ * @note This setting is influenced by the VDDA voltage and other
+ * external conditions, please refer to the datasheet for more
+ * info.<br>
+ * See section 5.3.20 "12-bit ADC characteristics".
+ */
+#if !defined(STM32_ADC_ADCPRE) || defined(__DOXYGEN__)
+#define STM32_ADC_ADCPRE ADC_CCR_ADCPRE_DIV2
+#endif
+
+/**
+ * @brief ADC1 driver enable switch.
+ * @details If set to @p TRUE the support for ADC1 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_ADC_USE_ADC1) || defined(__DOXYGEN__)
+#define STM32_ADC_USE_ADC1 FALSE
+#endif
+
+/**
+ * @brief ADC2 driver enable switch.
+ * @details If set to @p TRUE the support for ADC2 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_ADC_USE_ADC2) || defined(__DOXYGEN__)
+#define STM32_ADC_USE_ADC2 FALSE
+#endif
+
+/**
+ * @brief ADC3 driver enable switch.
+ * @details If set to @p TRUE the support for ADC3 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_ADC_USE_ADC3) || defined(__DOXYGEN__)
+#define STM32_ADC_USE_ADC3 FALSE
+#endif
+
+/**
+ * @brief DMA stream used for ADC1 operations.
+ */
+#if !defined(STM32_ADC_ADC1_DMA_STREAM) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC1_DMA_STREAM STM32_DMA_STREAM_ID(2, 4)
+#endif
+
+/**
+ * @brief DMA stream used for ADC2 operations.
+ */
+#if !defined(STM32_ADC_ADC2_DMA_STREAM) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC2_DMA_STREAM STM32_DMA_STREAM_ID(2, 2)
+#endif
+
+/**
+ * @brief DMA stream used for ADC3 operations.
+ */
+#if !defined(STM32_ADC_ADC3_DMA_STREAM) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC3_DMA_STREAM STM32_DMA_STREAM_ID(2, 1)
+#endif
+
+/**
+ * @brief ADC1 DMA priority (0..3|lowest..highest).
+ */
+#if !defined(STM32_ADC_ADC1_DMA_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC1_DMA_PRIORITY 2
+#endif
+
+/**
+ * @brief ADC2 DMA priority (0..3|lowest..highest).
+ */
+#if !defined(STM32_ADC_ADC2_DMA_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC2_DMA_PRIORITY 2
+#endif
+
+/**
+ * @brief ADC3 DMA priority (0..3|lowest..highest).
+ */
+#if !defined(STM32_ADC_ADC3_DMA_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC3_DMA_PRIORITY 2
+#endif
+
+/**
+ * @brief ADC interrupt priority level setting.
+ * @note This setting is shared among ADC1, ADC2 and ADC3 because
+ * all ADCs share the same vector.
+ */
+#if !defined(STM32_ADC_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief ADC1 DMA interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_ADC1_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief ADC2 DMA interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_ADC2_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC2_DMA_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief ADC3 DMA interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_ADC3_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC3_DMA_IRQ_PRIORITY 5
+#endif
+
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 && !STM32_HAS_ADC1
+#error "ADC1 not present in the selected device"
+#endif
+
+#if STM32_ADC_USE_ADC2 && !STM32_HAS_ADC2
+#error "ADC2 not present in the selected device"
+#endif
+
+#if STM32_ADC_USE_ADC3 && !STM32_HAS_ADC3
+#error "ADC3 not present in the selected device"
+#endif
+
+#if !STM32_ADC_USE_ADC1 && !STM32_ADC_USE_ADC2 && !STM32_ADC_USE_ADC3
+#error "ADC driver activated but no ADC peripheral assigned"
+#endif
+
+#if STM32_ADC_USE_ADC1 && \
+ !STM32_DMA_IS_VALID_ID(STM32_ADC_ADC1_DMA_STREAM, STM32_ADC1_DMA_MSK)
+#error "invalid DMA stream associated to ADC1"
+#endif
+
+#if STM32_ADC_USE_ADC2 && \
+ !STM32_DMA_IS_VALID_ID(STM32_ADC_ADC2_DMA_STREAM, STM32_ADC2_DMA_MSK)
+#error "invalid DMA stream associated to ADC2"
+#endif
+
+#if STM32_ADC_USE_ADC3 && \
+ !STM32_DMA_IS_VALID_ID(STM32_ADC_ADC3_DMA_STREAM, STM32_ADC3_DMA_MSK)
+#error "invalid DMA stream associated to ADC3"
+#endif
+
+/* ADC clock related settings and checks.*/
+#if STM32_ADC_ADCPRE == ADC_CCR_ADCPRE_DIV2
+#define STM32_ADCCLK (STM32_PCLK2 / 2)
+#elif STM32_ADC_ADCPRE == ADC_CCR_ADCPRE_DIV4
+#define STM32_ADCCLK (STM32_PCLK2 / 4)
+#elif STM32_ADC_ADCPRE == ADC_CCR_ADCPRE_DIV6
+#define STM32_ADCCLK (STM32_PCLK2 / 6)
+#elif STM32_ADC_ADCPRE == ADC_CCR_ADCPRE_DIV8
+#define STM32_ADCCLK (STM32_PCLK2 / 8)
+#else
+#error "invalid STM32_ADC_ADCPRE value specified"
+#endif
+
+#if (STM32_ADCCLK < STM32_ADCCLK_MIN) || (STM32_ADCCLK > STM32_ADCCLK_MAX)
+#error "STM32_ADCCLK outside acceptable range (STM32_ADCCLK_MIN...STM32_ADCCLK_MAX)"
+#endif
+
+#if !defined(STM32_DMA_REQUIRED)
+#define STM32_DMA_REQUIRED
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief ADC sample data type.
+ */
+typedef uint16_t adcsample_t;
+
+/**
+ * @brief Channels number in a conversion group.
+ */
+typedef uint16_t adc_channels_num_t;
+
+/**
+ * @brief Possible ADC failure causes.
+ * @note Error codes are architecture dependent and should not relied
+ * upon.
+ */
+typedef enum {
+ ADC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */
+ ADC_ERR_OVERFLOW = 1 /**< ADC overflow condition. */
+} adcerror_t;
+
+/**
+ * @brief Type of a structure representing an ADC driver.
+ */
+typedef struct ADCDriver ADCDriver;
+
+/**
+ * @brief ADC notification callback type.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object triggering the
+ * callback
+ * @param[in] buffer pointer to the most recent samples data
+ * @param[in] n number of buffer rows available starting from @p buffer
+ */
+typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n);
+
+/**
+ * @brief ADC error callback type.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object triggering the
+ * callback
+ * @param[in] err ADC error code
+ */
+typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err);
+
+/**
+ * @brief Conversion group configuration structure.
+ * @details This implementation-dependent structure describes a conversion
+ * operation.
+ * @note The use of this configuration structure requires knowledge of
+ * STM32 ADC cell registers interface, please refer to the STM32
+ * reference manual for details.
+ */
+typedef struct {
+ /**
+ * @brief Enables the circular buffer mode for the group.
+ */
+ bool circular;
+ /**
+ * @brief Number of the analog channels belonging to the conversion group.
+ */
+ adc_channels_num_t num_channels;
+ /**
+ * @brief Callback function associated to the group or @p NULL.
+ */
+ adccallback_t end_cb;
+ /**
+ * @brief Error callback or @p NULL.
+ */
+ adcerrorcallback_t error_cb;
+ /* End of the mandatory fields.*/
+ /**
+ * @brief ADC CR1 register initialization data.
+ * @note All the required bits must be defined into this field except
+ * @p ADC_CR1_SCAN that is enforced inside the driver.
+ */
+ uint32_t cr1;
+ /**
+ * @brief ADC CR2 register initialization data.
+ * @note All the required bits must be defined into this field except
+ * @p ADC_CR2_DMA, @p ADC_CR2_CONT and @p ADC_CR2_ADON that are
+ * enforced inside the driver.
+ */
+ uint32_t cr2;
+ /**
+ * @brief ADC SMPR1 register initialization data.
+ * @details In this field must be specified the sample times for channels
+ * 10...18.
+ */
+ uint32_t smpr1;
+ /**
+ * @brief ADC SMPR2 register initialization data.
+ * @details In this field must be specified the sample times for channels
+ * 0...9.
+ */
+ uint32_t smpr2;
+ /**
+ * @brief ADC SQR1 register initialization data.
+ * @details Conversion group sequence 13...16 + sequence length.
+ */
+ uint32_t sqr1;
+ /**
+ * @brief ADC SQR2 register initialization data.
+ * @details Conversion group sequence 7...12.
+ */
+ uint32_t sqr2;
+ /**
+ * @brief ADC SQR3 register initialization data.
+ * @details Conversion group sequence 1...6.
+ */
+ uint32_t sqr3;
+} ADCConversionGroup;
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+typedef struct {
+ uint32_t dummy;
+} ADCConfig;
+
+/**
+ * @brief Structure representing an ADC driver.
+ */
+struct ADCDriver {
+ /**
+ * @brief Driver state.
+ */
+ adcstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const ADCConfig *config;
+ /**
+ * @brief Current samples buffer pointer or @p NULL.
+ */
+ adcsample_t *samples;
+ /**
+ * @brief Current samples buffer depth or @p 0.
+ */
+ size_t depth;
+ /**
+ * @brief Current conversion group pointer or @p NULL.
+ */
+ const ADCConversionGroup *grpp;
+#if ADC_USE_WAIT || defined(__DOXYGEN__)
+ /**
+ * @brief Waiting thread.
+ */
+ thread_reference_t thread;
+#endif
+#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
+ /**
+ * @brief Mutex protecting the peripheral.
+ */
+ mutex_t mutex;
+#endif /* ADC_USE_MUTUAL_EXCLUSION */
+#if defined(ADC_DRIVER_EXT_FIELDS)
+ ADC_DRIVER_EXT_FIELDS
+#endif
+ /* End of the mandatory fields.*/
+ /**
+ * @brief Pointer to the ADCx registers block.
+ */
+ ADC_TypeDef *adc;
+ /**
+ * @brief Pointer to associated DMA channel.
+ */
+ const stm32_dma_stream_t *dmastp;
+ /**
+ * @brief DMA mode bit mask.
+ */
+ uint32_t dmamode;
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Sequences building helper macros
+ * @{
+ */
+/**
+ * @brief Number of channels in a conversion sequence.
+ */
+#define ADC_SQR1_NUM_CH(n) (((n) - 1) << 20)
+
+#define ADC_SQR3_SQ1_N(n) ((n) << 0) /**< @brief 1st channel in seq. */
+#define ADC_SQR3_SQ2_N(n) ((n) << 5) /**< @brief 2nd channel in seq. */
+#define ADC_SQR3_SQ3_N(n) ((n) << 10) /**< @brief 3rd channel in seq. */
+#define ADC_SQR3_SQ4_N(n) ((n) << 15) /**< @brief 4th channel in seq. */
+#define ADC_SQR3_SQ5_N(n) ((n) << 20) /**< @brief 5th channel in seq. */
+#define ADC_SQR3_SQ6_N(n) ((n) << 25) /**< @brief 6th channel in seq. */
+
+#define ADC_SQR2_SQ7_N(n) ((n) << 0) /**< @brief 7th channel in seq. */
+#define ADC_SQR2_SQ8_N(n) ((n) << 5) /**< @brief 8th channel in seq. */
+#define ADC_SQR2_SQ9_N(n) ((n) << 10) /**< @brief 9th channel in seq. */
+#define ADC_SQR2_SQ10_N(n) ((n) << 15) /**< @brief 10th channel in seq.*/
+#define ADC_SQR2_SQ11_N(n) ((n) << 20) /**< @brief 11th channel in seq.*/
+#define ADC_SQR2_SQ12_N(n) ((n) << 25) /**< @brief 12th channel in seq.*/
+
+#define ADC_SQR1_SQ13_N(n) ((n) << 0) /**< @brief 13th channel in seq.*/
+#define ADC_SQR1_SQ14_N(n) ((n) << 5) /**< @brief 14th channel in seq.*/
+#define ADC_SQR1_SQ15_N(n) ((n) << 10) /**< @brief 15th channel in seq.*/
+#define ADC_SQR1_SQ16_N(n) ((n) << 15) /**< @brief 16th channel in seq.*/
+/** @} */
+
+/**
+ * @name Sampling rate settings helper macros
+ * @{
+ */
+#define ADC_SMPR2_SMP_AN0(n) ((n) << 0) /**< @brief AN0 sampling time. */
+#define ADC_SMPR2_SMP_AN1(n) ((n) << 3) /**< @brief AN1 sampling time. */
+#define ADC_SMPR2_SMP_AN2(n) ((n) << 6) /**< @brief AN2 sampling time. */
+#define ADC_SMPR2_SMP_AN3(n) ((n) << 9) /**< @brief AN3 sampling time. */
+#define ADC_SMPR2_SMP_AN4(n) ((n) << 12) /**< @brief AN4 sampling time. */
+#define ADC_SMPR2_SMP_AN5(n) ((n) << 15) /**< @brief AN5 sampling time. */
+#define ADC_SMPR2_SMP_AN6(n) ((n) << 18) /**< @brief AN6 sampling time. */
+#define ADC_SMPR2_SMP_AN7(n) ((n) << 21) /**< @brief AN7 sampling time. */
+#define ADC_SMPR2_SMP_AN8(n) ((n) << 24) /**< @brief AN8 sampling time. */
+#define ADC_SMPR2_SMP_AN9(n) ((n) << 27) /**< @brief AN9 sampling time. */
+
+#define ADC_SMPR1_SMP_AN10(n) ((n) << 0) /**< @brief AN10 sampling time. */
+#define ADC_SMPR1_SMP_AN11(n) ((n) << 3) /**< @brief AN11 sampling time. */
+#define ADC_SMPR1_SMP_AN12(n) ((n) << 6) /**< @brief AN12 sampling time. */
+#define ADC_SMPR1_SMP_AN13(n) ((n) << 9) /**< @brief AN13 sampling time. */
+#define ADC_SMPR1_SMP_AN14(n) ((n) << 12) /**< @brief AN14 sampling time. */
+#define ADC_SMPR1_SMP_AN15(n) ((n) << 15) /**< @brief AN15 sampling time. */
+#define ADC_SMPR1_SMP_SENSOR(n) ((n) << 18) /**< @brief Temperature Sensor
+ sampling time. */
+#define ADC_SMPR1_SMP_VREF(n) ((n) << 21) /**< @brief Voltage Reference
+ sampling time. */
+#define ADC_SMPR1_SMP_VBAT(n) ((n) << 24) /**< @brief VBAT sampling time. */
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 && !defined(__DOXYGEN__)
+extern ADCDriver ADCD1;
+#endif
+
+#if STM32_ADC_USE_ADC2 && !defined(__DOXYGEN__)
+extern ADCDriver ADCD2;
+#endif
+
+#if STM32_ADC_USE_ADC3 && !defined(__DOXYGEN__)
+extern ADCDriver ADCD3;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void adc_lld_init(void);
+ void adc_lld_start(ADCDriver *adcp);
+ void adc_lld_stop(ADCDriver *adcp);
+ void adc_lld_start_conversion(ADCDriver *adcp);
+ void adc_lld_stop_conversion(ADCDriver *adcp);
+ void adcSTM32EnableTSVREFE(void);
+ void adcSTM32DisableTSVREFE(void);
+ void adcSTM32EnableVBATE(void);
+ void adcSTM32DisableVBATE(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_ADC */
+
+#endif /* _ADC_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F4xx/ext_lld_isr.c b/os/hal/ports/STM32/STM32F4xx/ext_lld_isr.c new file mode 100644 index 000000000..dd1491557 --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/ext_lld_isr.c @@ -0,0 +1,338 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F4xx/ext_lld_isr.c
+ * @brief STM32F4xx/STM32F2xx EXT subsystem low level driver ISR code.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+#include "ext_lld_isr.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/**
+ * @brief EXTI[0] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector58) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 0);
+ EXTD1.config->channels[0].cb(&EXTD1, 0);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[1] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector5C) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 1);
+ EXTD1.config->channels[1].cb(&EXTD1, 1);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[2] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector60) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 2);
+ EXTD1.config->channels[2].cb(&EXTD1, 2);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[3] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector64) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 3);
+ EXTD1.config->channels[3].cb(&EXTD1, 3);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[4] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector68) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 4);
+ EXTD1.config->channels[4].cb(&EXTD1, 4);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[5]...EXTI[9] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector9C) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9));
+ EXTI->PR = pr;
+ if (pr & (1 << 5))
+ EXTD1.config->channels[5].cb(&EXTD1, 5);
+ if (pr & (1 << 6))
+ EXTD1.config->channels[6].cb(&EXTD1, 6);
+ if (pr & (1 << 7))
+ EXTD1.config->channels[7].cb(&EXTD1, 7);
+ if (pr & (1 << 8))
+ EXTD1.config->channels[8].cb(&EXTD1, 8);
+ if (pr & (1 << 9))
+ EXTD1.config->channels[9].cb(&EXTD1, 9);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[10]...EXTI[15] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE0) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) | (1 << 14) |
+ (1 << 15));
+ EXTI->PR = pr;
+ if (pr & (1 << 10))
+ EXTD1.config->channels[10].cb(&EXTD1, 10);
+ if (pr & (1 << 11))
+ EXTD1.config->channels[11].cb(&EXTD1, 11);
+ if (pr & (1 << 12))
+ EXTD1.config->channels[12].cb(&EXTD1, 12);
+ if (pr & (1 << 13))
+ EXTD1.config->channels[13].cb(&EXTD1, 13);
+ if (pr & (1 << 14))
+ EXTD1.config->channels[14].cb(&EXTD1, 14);
+ if (pr & (1 << 15))
+ EXTD1.config->channels[15].cb(&EXTD1, 15);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[16] interrupt handler (PVD).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector44) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 16);
+ EXTD1.config->channels[16].cb(&EXTD1, 16);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[17] interrupt handler (RTC_ALARM).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE4) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 17);
+ EXTD1.config->channels[17].cb(&EXTD1, 17);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[18] interrupt handler (OTG_FS_WKUP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE8) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 18);
+ EXTD1.config->channels[18].cb(&EXTD1, 18);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[19] interrupt handler (ETH_WKUP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector138) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 19);
+ EXTD1.config->channels[19].cb(&EXTD1, 19);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[20] interrupt handler (OTG_HS_WKUP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector170) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 20);
+ EXTD1.config->channels[20].cb(&EXTD1, 20);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[21] interrupt handler (TAMPER_STAMP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector48) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 21);
+ EXTD1.config->channels[21].cb(&EXTD1, 21);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[22] interrupt handler (RTC_WKUP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector4C) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 22);
+ EXTD1.config->channels[22].cb(&EXTD1, 22);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Enables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_enable(void) {
+
+ nvicEnableVector(EXTI0_IRQn, STM32_EXT_EXTI0_IRQ_PRIORITY);
+ nvicEnableVector(EXTI1_IRQn, STM32_EXT_EXTI1_IRQ_PRIORITY);
+ nvicEnableVector(EXTI2_IRQn, STM32_EXT_EXTI2_IRQ_PRIORITY);
+ nvicEnableVector(EXTI3_IRQn, STM32_EXT_EXTI3_IRQ_PRIORITY);
+ nvicEnableVector(EXTI4_IRQn, STM32_EXT_EXTI4_IRQ_PRIORITY);
+ nvicEnableVector(EXTI9_5_IRQn, STM32_EXT_EXTI5_9_IRQ_PRIORITY);
+ nvicEnableVector(EXTI15_10_IRQn, STM32_EXT_EXTI10_15_IRQ_PRIORITY);
+ nvicEnableVector(PVD_IRQn, STM32_EXT_EXTI16_IRQ_PRIORITY);
+ nvicEnableVector(RTC_Alarm_IRQn, STM32_EXT_EXTI17_IRQ_PRIORITY);
+ nvicEnableVector(OTG_FS_WKUP_IRQn, STM32_EXT_EXTI18_IRQ_PRIORITY);
+ nvicEnableVector(ETH_WKUP_IRQn, STM32_EXT_EXTI19_IRQ_PRIORITY);
+ nvicEnableVector(OTG_HS_WKUP_IRQn, STM32_EXT_EXTI20_IRQ_PRIORITY);
+ nvicEnableVector(TAMP_STAMP_IRQn, STM32_EXT_EXTI21_IRQ_PRIORITY);
+ nvicEnableVector(RTC_WKUP_IRQn, STM32_EXT_EXTI22_IRQ_PRIORITY);
+}
+
+/**
+ * @brief Disables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_disable(void) {
+
+ nvicDisableVector(EXTI0_IRQn);
+ nvicDisableVector(EXTI1_IRQn);
+ nvicDisableVector(EXTI2_IRQn);
+ nvicDisableVector(EXTI3_IRQn);
+ nvicDisableVector(EXTI4_IRQn);
+ nvicDisableVector(EXTI9_5_IRQn);
+ nvicDisableVector(EXTI15_10_IRQn);
+ nvicDisableVector(PVD_IRQn);
+ nvicDisableVector(RTC_Alarm_IRQn);
+ nvicDisableVector(OTG_FS_WKUP_IRQn);
+ nvicDisableVector(ETH_WKUP_IRQn);
+ nvicDisableVector(OTG_HS_WKUP_IRQn);
+ nvicDisableVector(TAMP_STAMP_IRQn);
+ nvicDisableVector(RTC_WKUP_IRQn);
+}
+
+#endif /* HAL_USE_EXT */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F4xx/ext_lld_isr.h b/os/hal/ports/STM32/STM32F4xx/ext_lld_isr.h new file mode 100644 index 000000000..33e8e0be1 --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/ext_lld_isr.h @@ -0,0 +1,170 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F4xx/ext_lld_isr.h
+ * @brief STM32F4xx/STM32F2xx EXT subsystem low level driver ISR header.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#ifndef _EXT_LLD_ISR_H_
+#define _EXT_LLD_ISR_H_
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief EXTI0 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI0_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI0_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI1 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI1_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI1_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI2 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI2_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI2_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI3 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI3_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI3_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI4 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI4_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI4_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI9..5 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI5_9_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI5_9_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI15..10 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI10_15_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI10_15_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI16 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI16_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI16_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI17 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI17_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI17_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI18 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI18_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI19 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI19_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI20 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI20_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI21 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI21_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI21_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI22 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI22_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI22_IRQ_PRIORITY 6
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void ext_lld_exti_irq_enable(void);
+ void ext_lld_exti_irq_disable(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_EXT */
+
+#endif /* _EXT_LLD_ISR_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F4xx/hal_lld.c b/os/hal/ports/STM32/STM32F4xx/hal_lld.c new file mode 100644 index 000000000..7aeb67297 --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/hal_lld.c @@ -0,0 +1,252 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F4xx/hal_lld.c
+ * @brief STM32F4xx/STM32F2xx HAL subsystem low level driver source.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#include "hal.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Initializes the backup domain.
+ * @note WARNING! Changing clock source impossible without resetting
+ * of the whole BKP domain.
+ */
+static void hal_lld_backup_domain_init(void) {
+
+ /* Backup domain access enabled and left open.*/
+ PWR->CR |= PWR_CR_DBP;
+
+ /* Reset BKP domain if different clock source selected.*/
+ if ((RCC->BDCR & STM32_RTCSEL_MASK) != STM32_RTCSEL) {
+ /* Backup domain reset.*/
+ RCC->BDCR = RCC_BDCR_BDRST;
+ RCC->BDCR = 0;
+ }
+
+#if STM32_LSE_ENABLED
+#if defined(STM32_LSE_BYPASS)
+ /* LSE Bypass.*/
+ RCC->BDCR |= RCC_BDCR_LSEON | RCC_BDCR_LSEBYP;
+#else
+ /* No LSE Bypass.*/
+ RCC->BDCR |= RCC_BDCR_LSEON;
+#endif
+ while ((RCC->BDCR & RCC_BDCR_LSERDY) == 0)
+ ; /* Waits until LSE is stable. */
+#endif
+
+#if HAL_USE_RTC
+ /* If the backup domain hasn't been initialized yet then proceed with
+ initialization.*/
+ if ((RCC->BDCR & RCC_BDCR_RTCEN) == 0) {
+ /* Selects clock source.*/
+ RCC->BDCR |= STM32_RTCSEL;
+
+ /* RTC clock enabled.*/
+ RCC->BDCR |= RCC_BDCR_RTCEN;
+ }
+#endif /* HAL_USE_RTC */
+
+#if STM32_BKPRAM_ENABLE
+ rccEnableBKPSRAM(false);
+
+ PWR->CSR |= PWR_CSR_BRE;
+ while ((PWR->CSR & PWR_CSR_BRR) == 0)
+ ; /* Waits until the regulator is stable */
+#else
+ PWR->CSR &= ~PWR_CSR_BRE;
+#endif /* STM32_BKPRAM_ENABLE */
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level HAL driver initialization.
+ *
+ * @notapi
+ */
+void hal_lld_init(void) {
+
+ /* Reset of all peripherals. AHB3 is not reseted because it could have
+ been initialized in the board initialization file (board.c).*/
+ rccResetAHB1(~0);
+ rccResetAHB2(~0);
+ rccResetAPB1(~RCC_APB1RSTR_PWRRST);
+ rccResetAPB2(~0);
+
+ /* PWR clock enabled.*/
+ rccEnablePWRInterface(FALSE);
+
+ /* Initializes the backup domain.*/
+ hal_lld_backup_domain_init();
+
+#if defined(STM32_DMA_REQUIRED)
+ dmaInit();
+#endif
+
+ /* Programmable voltage detector enable.*/
+#if STM32_PVD_ENABLE
+ PWR->CR |= PWR_CR_PVDE | (STM32_PLS & STM32_PLS_MASK);
+#endif /* STM32_PVD_ENABLE */
+}
+
+/**
+ * @brief STM32F2xx clocks and PLL initialization.
+ * @note All the involved constants come from the file @p board.h.
+ * @note This function should be invoked just after the system reset.
+ *
+ * @special
+ */
+void stm32_clock_init(void) {
+
+#if !STM32_NO_INIT
+ /* PWR clock enable.*/
+ RCC->APB1ENR = RCC_APB1ENR_PWREN;
+
+ /* PWR initialization.*/
+#if defined(STM32F4XX) || defined(__DOXYGEN__)
+ PWR->CR = STM32_VOS;
+#else
+ PWR->CR = 0;
+#endif
+
+ /* HSI setup, it enforces the reset situation in order to handle possible
+ problems with JTAG probes and re-initializations.*/
+ RCC->CR |= RCC_CR_HSION; /* Make sure HSI is ON. */
+ while (!(RCC->CR & RCC_CR_HSIRDY))
+ ; /* Wait until HSI is stable. */
+ RCC->CR &= RCC_CR_HSITRIM | RCC_CR_HSION; /* CR Reset value. */
+ RCC->CFGR = 0; /* CFGR reset value. */
+ while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI)
+ ; /* Waits until HSI is selected. */
+
+#if STM32_HSE_ENABLED
+ /* HSE activation.*/
+#if defined(STM32_HSE_BYPASS)
+ /* HSE Bypass.*/
+ RCC->CR |= RCC_CR_HSEON | RCC_CR_HSEBYP;
+#else
+ /* No HSE Bypass.*/
+ RCC->CR |= RCC_CR_HSEON;
+#endif
+ while ((RCC->CR & RCC_CR_HSERDY) == 0)
+ ; /* Waits until HSE is stable. */
+#endif
+
+#if STM32_LSI_ENABLED
+ /* LSI activation.*/
+ RCC->CSR |= RCC_CSR_LSION;
+ while ((RCC->CSR & RCC_CSR_LSIRDY) == 0)
+ ; /* Waits until LSI is stable. */
+#endif
+
+#if STM32_ACTIVATE_PLL
+ /* PLL activation.*/
+ RCC->PLLCFGR = STM32_PLLQ | STM32_PLLSRC | STM32_PLLP | STM32_PLLN |
+ STM32_PLLM;
+ RCC->CR |= RCC_CR_PLLON;
+
+ /* Synchronization with voltage regulator stabilization.*/
+#if defined(STM32F4XX)
+ while ((PWR->CSR & PWR_CSR_VOSRDY) == 0)
+ ; /* Waits until power regulator is stable. */
+
+#if STM32_OVERDRIVE_REQUIRED
+ /* Overdrive activation performed after activating the PLL in order to save
+ time as recommended in RM in "Entering Over-drive mode" paragraph.*/
+ PWR->CR |= PWR_CR_ODEN;
+ while (!(PWR->CSR & PWR_CSR_ODRDY))
+ ;
+ PWR->CR |= PWR_CR_ODSWEN;
+ while (!(PWR->CSR & PWR_CSR_ODSWRDY))
+ ;
+#endif /* STM32_OVERDRIVE_REQUIRED */
+#endif /* defined(STM32F4XX) */
+
+ /* Waiting for PLL lock.*/
+ while (!(RCC->CR & RCC_CR_PLLRDY))
+ ;
+#endif /* STM32_OVERDRIVE_REQUIRED */
+
+#if STM32_ACTIVATE_PLLI2S
+ /* PLLI2S activation.*/
+ RCC->PLLI2SCFGR = STM32_PLLI2SR | STM32_PLLI2SN;
+ RCC->CR |= RCC_CR_PLLI2SON;
+
+ /* Waiting for PLL lock.*/
+ while (!(RCC->CR & RCC_CR_PLLI2SRDY))
+ ;
+#endif
+
+ /* Other clock-related settings (dividers, MCO etc).*/
+ RCC->CFGR = STM32_MCO2PRE | STM32_MCO2SEL | STM32_MCO1PRE | STM32_MCO1SEL |
+ STM32_RTCPRE | STM32_PPRE2 | STM32_PPRE1 | STM32_HPRE;
+
+ /* Flash setup.*/
+#if defined(STM32_USE_REVISION_A_FIX)
+ /* Some old revisions of F4x MCUs randomly crashes with compiler
+ optimizations enabled AND flash caches enabled. */
+ if ((DBGMCU->IDCODE == 0x20006411) && (SCB->CPUID == 0x410FC241))
+ FLASH->ACR = FLASH_ACR_PRFTEN | STM32_FLASHBITS;
+ else
+ FLASH->ACR = FLASH_ACR_PRFTEN | FLASH_ACR_ICEN |
+ FLASH_ACR_DCEN | STM32_FLASHBITS;
+#else
+ FLASH->ACR = FLASH_ACR_PRFTEN | FLASH_ACR_ICEN |
+ FLASH_ACR_DCEN | STM32_FLASHBITS;
+#endif
+
+ /* Switching to the configured clock source if it is different from MSI.*/
+#if (STM32_SW != STM32_SW_HSI)
+ RCC->CFGR |= STM32_SW; /* Switches on the selected clock source. */
+ while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
+ ;
+#endif
+#endif /* STM32_NO_INIT */
+
+ /* SYSCFG clock enabled here because it is a multi-functional unit shared
+ among multiple drivers.*/
+ rccEnableAPB2(RCC_APB2ENR_SYSCFGEN, TRUE);
+}
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F4xx/hal_lld.h b/os/hal/ports/STM32/STM32F4xx/hal_lld.h new file mode 100644 index 000000000..c7f9ed864 --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/hal_lld.h @@ -0,0 +1,1393 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F4xx/hal_lld.h
+ * @brief STM32F4xx/STM32F2xx HAL subsystem low level driver header.
+ * @pre This module requires the following macros to be defined in the
+ * @p board.h file:
+ * - STM32_LSECLK.
+ * - STM32_LSE_BYPASS (optionally).
+ * - STM32_HSECLK.
+ * - STM32_HSE_BYPASS (optionally).
+ * - STM32_VDD (as hundredths of Volt).
+ * .
+ * One of the following macros must also be defined:
+ * - STM32F2XX for High-performance STM32 F-2 devices.
+ * - STM32F401xx for High-performance STM32 F-4 devices.
+ * - STM32F40_41xxx for High-performance STM32 F-4 devices.
+ * - STM32F427_437xx for High-performance STM32 F-4 devices.
+ * - STM32F429_439xx for High-performance STM32 F-4 devices.
+ * .
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _HAL_LLD_H_
+#define _HAL_LLD_H_
+
+#include "stm32_registry.h"
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Defines the support for realtime counters in the HAL.
+ */
+#define HAL_IMPLEMENTS_COUNTERS TRUE
+
+/**
+ * @name Platform identification macros
+ * @{
+ */
+#if defined(STM32F429_439xx) || defined(__DOXYGEN__)
+#define PLATFORM_NAME "STM32F429/F439 High Performance with DSP and FPU"
+#define STM32F4XX
+
+#elif defined(STM32F427_437xx)
+#define PLATFORM_NAME "STM32F427/F437 High Performance with DSP and FPU"
+#define STM32F4XX
+
+#elif defined(STM32F40_41xxx)
+#define PLATFORM_NAME "STM32F407/F417 High Performance with DSP and FPU"
+#define STM32F4XX
+
+#elif defined(STM32F401xx)
+#define PLATFORM_NAME "STM32F401 High Performance with DSP and FPU"
+#define STM32F4XX
+
+#elif defined(STM32F2XX)
+#define PLATFORM_NAME "STM32F2xx High Performance"
+
+#else
+#error "STM32F2xx/F4xx device not specified"
+#endif
+/** @} */
+
+/**
+ * @name Absolute Maximum Ratings
+ * @{
+ */
+/**
+ * @name Absolute Maximum Ratings
+ * @{
+ */
+#if defined(STM32F427_437xx) || defined(STM32F429_439xx) || \
+ defined(__DOXYGEN__)
+/**
+ * @brief Absolute maximum system clock.
+ */
+#define STM32_SYSCLK_MAX 180000000
+
+/**
+ * @brief Maximum HSE clock frequency.
+ */
+#define STM32_HSECLK_MAX 26000000
+
+/**
+ * @brief Maximum HSE clock frequency using an external source.
+ */
+#define STM32_HSECLK_BYP_MAX 50000000
+
+/**
+ * @brief Minimum HSE clock frequency.
+ */
+#define STM32_HSECLK_MIN 4000000
+
+/**
+ * @brief Minimum HSE clock frequency.
+ */
+#define STM32_HSECLK_BYP_MIN 1000000
+
+/**
+ * @brief Maximum LSE clock frequency.
+ */
+#define STM32_LSECLK_MAX 32768
+
+/**
+ * @brief Maximum LSE clock frequency.
+ */
+#define STM32_LSECLK_BYP_MAX 1000000
+
+/**
+ * @brief Minimum LSE clock frequency.
+ */
+#define STM32_LSECLK_MIN 32768
+
+/**
+ * @brief Maximum PLLs input clock frequency.
+ */
+#define STM32_PLLIN_MAX 2100000
+
+/**
+ * @brief Minimum PLLs input clock frequency.
+ */
+#define STM32_PLLIN_MIN 950000
+
+/**
+ * @brief Maximum PLLs VCO clock frequency.
+ */
+#define STM32_PLLVCO_MAX 432000000
+
+/**
+ * @brief Maximum PLLs VCO clock frequency.
+ */
+#define STM32_PLLVCO_MIN 192000000
+
+/**
+ * @brief Maximum PLL output clock frequency.
+ */
+#define STM32_PLLOUT_MAX 180000000
+
+/**
+ * @brief Minimum PLL output clock frequency.
+ */
+#define STM32_PLLOUT_MIN 24000000
+
+/**
+ * @brief Maximum APB1 clock frequency.
+ */
+#define STM32_PCLK1_MAX (STM32_PLLOUT_MAX /4)
+
+/**
+ * @brief Maximum APB2 clock frequency.
+ */
+#define STM32_PCLK2_MAX (STM32_PLLOUT_MAX / 2)
+
+/**
+ * @brief Maximum SPI/I2S clock frequency.
+ */
+#define STM32_SPII2S_MAX 45000000
+#endif /* STM32F40_41xxx */
+
+#if defined(STM32F40_41xxx) || defined(__DOXYGEN__)
+#define STM32_SYSCLK_MAX 168000000
+#define STM32_HSECLK_MAX 26000000
+#define STM32_HSECLK_BYP_MAX 50000000
+#define STM32_HSECLK_MIN 4000000
+#define STM32_HSECLK_BYP_MIN 1000000
+#define STM32_LSECLK_MAX 32768
+#define STM32_LSECLK_BYP_MAX 1000000
+#define STM32_LSECLK_MIN 32768
+#define STM32_PLLIN_MAX 2100000
+#define STM32_PLLIN_MIN 950000
+#define STM32_PLLVCO_MAX 432000000
+#define STM32_PLLVCO_MIN 192000000
+#define STM32_PLLOUT_MAX 168000000
+#define STM32_PLLOUT_MIN 24000000
+#define STM32_PCLK1_MAX 42000000
+#define STM32_PCLK2_MAX 84000000
+#define STM32_SPII2S_MAX 42000000
+#endif /* STM32F40_41xxx */
+
+#if defined(STM32F401xx) || defined(__DOXYGEN__)
+#define STM32_SYSCLK_MAX 84000000
+#define STM32_HSECLK_MAX 26000000
+#define STM32_HSECLK_BYP_MAX 50000000
+#define STM32_HSECLK_MIN 4000000
+#define STM32_HSECLK_BYP_MIN 1000000
+#define STM32_LSECLK_MAX 32768
+#define STM32_LSECLK_BYP_MAX 1000000
+#define STM32_LSECLK_MIN 32768
+#define STM32_PLLIN_MAX 2100000
+#define STM32_PLLIN_MIN 950000
+#define STM32_PLLVCO_MAX 432000000
+#define STM32_PLLVCO_MIN 192000000
+#define STM32_PLLOUT_MAX 84000000
+#define STM32_PLLOUT_MIN 24000000
+#define STM32_PCLK1_MAX 42000000
+#define STM32_PCLK2_MAX 84000000
+#define STM32_SPII2S_MAX 42000000
+#endif /* STM32F40_41xxx */
+
+#if defined(STM32F2XX)
+#define STM32_SYSCLK_MAX 120000000
+#define STM32_HSECLK_MAX 26000000
+#define STM32_HSECLK_BYP_MAX 26000000
+#define STM32_HSECLK_MIN 1000000
+#define STM32_HSECLK_BYP_MIN 1000000
+#define STM32_LSECLK_MAX 32768
+#define STM32_LSECLK_BYP_MAX 1000000
+#define STM32_LSECLK_MIN 32768
+#define STM32_PLLIN_MAX 2000000
+#define STM32_PLLIN_MIN 950000
+#define STM32_PLLVCO_MAX 432000000
+#define STM32_PLLVCO_MIN 192000000
+#define STM32_PLLOUT_MAX 120000000
+#define STM32_PLLOUT_MIN 24000000
+#define STM32_PCLK1_MAX 30000000
+#define STM32_PCLK2_MAX 60000000
+#define STM32_SPII2S_MAX 30000000
+#endif /* defined(STM32F2XX) */
+/** @} */
+
+/**
+ * @name Internal clock sources
+ * @{
+ */
+#define STM32_HSICLK 16000000 /**< High speed internal clock. */
+#define STM32_LSICLK 32000 /**< Low speed internal clock. */
+/** @} */
+
+/**
+ * @name PWR_CR register bits definitions
+ * @{
+ */
+#define STM32_VOS_SCALE3 (PWR_CR_VOS_0)
+#define STM32_VOS_SCALE2 (PWR_CR_VOS_1)
+#define STM32_VOS_SCALE1 (PWR_CR_VOS_1 | PWR_CR_VOS_0)
+#define STM32_PLS_MASK (7 << 5) /**< PLS bits mask. */
+#define STM32_PLS_LEV0 (0 << 5) /**< PVD level 0. */
+#define STM32_PLS_LEV1 (1 << 5) /**< PVD level 1. */
+#define STM32_PLS_LEV2 (2 << 5) /**< PVD level 2. */
+#define STM32_PLS_LEV3 (3 << 5) /**< PVD level 3. */
+#define STM32_PLS_LEV4 (4 << 5) /**< PVD level 4. */
+#define STM32_PLS_LEV5 (5 << 5) /**< PVD level 5. */
+#define STM32_PLS_LEV6 (6 << 5) /**< PVD level 6. */
+#define STM32_PLS_LEV7 (7 << 5) /**< PVD level 7. */
+/** @} */
+
+/**
+ * @name RCC_PLLCFGR register bits definitions
+ * @{
+ */
+#define STM32_PLLP_MASK (3 << 16) /**< PLLP mask. */
+#define STM32_PLLP_DIV2 (0 << 16) /**< PLL clock divided by 2. */
+#define STM32_PLLP_DIV4 (1 << 16) /**< PLL clock divided by 4. */
+#define STM32_PLLP_DIV6 (2 << 16) /**< PLL clock divided by 6. */
+#define STM32_PLLP_DIV8 (3 << 16) /**< PLL clock divided by 8. */
+
+#define STM32_PLLSRC_HSI (0 << 22) /**< PLL clock source is HSI. */
+#define STM32_PLLSRC_HSE (1 << 22) /**< PLL clock source is HSE. */
+/** @} */
+
+/**
+ * @name RCC_CFGR register bits definitions
+ * @{
+ */
+#define STM32_SW_MASK (3 << 0) /**< SW mask. */
+#define STM32_SW_HSI (0 << 0) /**< SYSCLK source is HSI. */
+#define STM32_SW_HSE (1 << 0) /**< SYSCLK source is HSE. */
+#define STM32_SW_PLL (2 << 0) /**< SYSCLK source is PLL. */
+
+#define STM32_HPRE_MASK (15 << 4) /**< HPRE mask. */
+#define STM32_HPRE_DIV1 (0 << 4) /**< SYSCLK divided by 1. */
+#define STM32_HPRE_DIV2 (8 << 4) /**< SYSCLK divided by 2. */
+#define STM32_HPRE_DIV4 (9 << 4) /**< SYSCLK divided by 4. */
+#define STM32_HPRE_DIV8 (10 << 4) /**< SYSCLK divided by 8. */
+#define STM32_HPRE_DIV16 (11 << 4) /**< SYSCLK divided by 16. */
+#define STM32_HPRE_DIV64 (12 << 4) /**< SYSCLK divided by 64. */
+#define STM32_HPRE_DIV128 (13 << 4) /**< SYSCLK divided by 128. */
+#define STM32_HPRE_DIV256 (14 << 4) /**< SYSCLK divided by 256. */
+#define STM32_HPRE_DIV512 (15 << 4) /**< SYSCLK divided by 512. */
+
+#define STM32_PPRE1_MASK (7 << 10) /**< PPRE1 mask. */
+#define STM32_PPRE1_DIV1 (0 << 10) /**< HCLK divided by 1. */
+#define STM32_PPRE1_DIV2 (4 << 10) /**< HCLK divided by 2. */
+#define STM32_PPRE1_DIV4 (5 << 10) /**< HCLK divided by 4. */
+#define STM32_PPRE1_DIV8 (6 << 10) /**< HCLK divided by 8. */
+#define STM32_PPRE1_DIV16 (7 << 10) /**< HCLK divided by 16. */
+
+#define STM32_PPRE2_MASK (7 << 13) /**< PPRE2 mask. */
+#define STM32_PPRE2_DIV1 (0 << 13) /**< HCLK divided by 1. */
+#define STM32_PPRE2_DIV2 (4 << 13) /**< HCLK divided by 2. */
+#define STM32_PPRE2_DIV4 (5 << 13) /**< HCLK divided by 4. */
+#define STM32_PPRE2_DIV8 (6 << 13) /**< HCLK divided by 8. */
+#define STM32_PPRE2_DIV16 (7 << 13) /**< HCLK divided by 16. */
+
+#define STM32_RTCPRE_MASK (31 << 16) /**< RTCPRE mask. */
+
+#define STM32_MCO1SEL_MASK (3 << 21) /**< MCO1 mask. */
+#define STM32_MCO1SEL_HSI (0 << 21) /**< HSI clock on MCO1 pin. */
+#define STM32_MCO1SEL_LSE (1 << 21) /**< LSE clock on MCO1 pin. */
+#define STM32_MCO1SEL_HSE (2 << 21) /**< HSE clock on MCO1 pin. */
+#define STM32_MCO1SEL_PLL (3 << 21) /**< PLL clock on MCO1 pin. */
+
+#define STM32_I2SSRC_MASK (1 << 23) /**< I2CSRC mask. */
+#define STM32_I2SSRC_PLLI2S (0 << 23) /**< I2SSRC is PLLI2S. */
+#define STM32_I2SSRC_CKIN (1 << 23) /**< I2S_CKIN is PLLI2S. */
+
+#define STM32_MCO1PRE_MASK (7 << 24) /**< MCO1PRE mask. */
+#define STM32_MCO1PRE_DIV1 (0 << 24) /**< MCO1 divided by 1. */
+#define STM32_MCO1PRE_DIV2 (4 << 24) /**< MCO1 divided by 2. */
+#define STM32_MCO1PRE_DIV3 (5 << 24) /**< MCO1 divided by 3. */
+#define STM32_MCO1PRE_DIV4 (6 << 24) /**< MCO1 divided by 4. */
+#define STM32_MCO1PRE_DIV5 (7 << 24) /**< MCO1 divided by 5. */
+
+#define STM32_MCO2PRE_MASK (7 << 27) /**< MCO2PRE mask. */
+#define STM32_MCO2PRE_DIV1 (0 << 27) /**< MCO2 divided by 1. */
+#define STM32_MCO2PRE_DIV2 (4 << 27) /**< MCO2 divided by 2. */
+#define STM32_MCO2PRE_DIV3 (5 << 27) /**< MCO2 divided by 3. */
+#define STM32_MCO2PRE_DIV4 (6 << 27) /**< MCO2 divided by 4. */
+#define STM32_MCO2PRE_DIV5 (7 << 27) /**< MCO2 divided by 5. */
+
+#define STM32_MCO2SEL_MASK (3U << 30) /**< MCO2 mask. */
+#define STM32_MCO2SEL_SYSCLK (0U << 30) /**< SYSCLK clock on MCO2 pin. */
+#define STM32_MCO2SEL_PLLI2S (1U << 30) /**< PLLI2S clock on MCO2 pin. */
+#define STM32_MCO2SEL_HSE (2U << 30) /**< HSE clock on MCO2 pin. */
+#define STM32_MCO2SEL_PLL (3U << 30) /**< PLL clock on MCO2 pin. */
+
+#define STM32_RTC_NOCLOCK (0 << 8) /**< No clock. */
+#define STM32_RTC_LSE (1 << 8) /**< LSE used as RTC clock. */
+#define STM32_RTC_LSI (2 << 8) /**< LSI used as RTC clock. */
+#define STM32_RTC_HSE (3 << 8) /**< HSE divided by programmable
+ prescaler used as RTC clock*/
+
+/**
+ * @name RCC_PLLI2SCFGR register bits definitions
+ * @{
+ */
+#define STM32_PLLI2SN_MASK (511 << 6) /**< PLLI2SN mask. */
+#define STM32_PLLI2SR_MASK (7 << 28) /**< PLLI2SR mask. */
+/** @} */
+
+/**
+ * @name RCC_BDCR register bits definitions
+ * @{
+ */
+#define STM32_RTCSEL_MASK (3 << 8) /**< RTC source mask. */
+#define STM32_RTCSEL_NOCLOCK (0 << 8) /**< No RTC source. */
+#define STM32_RTCSEL_LSE (1 << 8) /**< RTC source is LSE. */
+#define STM32_RTCSEL_LSI (2 << 8) /**< RTC source is LSI. */
+#define STM32_RTCSEL_HSEDIV (3 << 8) /**< RTC source is HSE divided. */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief Disables the PWR/RCC initialization in the HAL.
+ */
+#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__)
+#define STM32_NO_INIT FALSE
+#endif
+
+/**
+ * @brief Enables or disables the programmable voltage detector.
+ */
+#if !defined(STM32_PVD_ENABLE) || defined(__DOXYGEN__)
+#define STM32_PVD_ENABLE FALSE
+#endif
+
+/**
+ * @brief Sets voltage level for programmable voltage detector.
+ */
+#if !defined(STM32_PLS) || defined(__DOXYGEN__)
+#define STM32_PLS STM32_PLS_LEV0
+#endif
+
+/**
+ * @brief Enables the backup RAM regulator.
+ */
+#if !defined(STM32_BKPRAM_ENABLE) || defined(__DOXYGEN__)
+#define STM32_BKPRAM_ENABLE FALSE
+#endif
+
+/**
+ * @brief Enables or disables the HSI clock source.
+ */
+#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__)
+#define STM32_HSI_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the LSI clock source.
+ */
+#if !defined(STM32_LSI_ENABLED) || defined(__DOXYGEN__)
+#define STM32_LSI_ENABLED FALSE
+#endif
+
+/**
+ * @brief Enables or disables the HSE clock source.
+ */
+#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__)
+#define STM32_HSE_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the LSE clock source.
+ */
+#if !defined(STM32_LSE_ENABLED) || defined(__DOXYGEN__)
+#define STM32_LSE_ENABLED FALSE
+#endif
+
+/**
+ * @brief USB/SDIO clock setting.
+ */
+#if !defined(STM32_CLOCK48_REQUIRED) || defined(__DOXYGEN__)
+#define STM32_CLOCK48_REQUIRED TRUE
+#endif
+
+/**
+ * @brief Main clock source selection.
+ * @note If the selected clock source is not the PLL then the PLL is not
+ * initialized and started.
+ * @note The default value is calculated for a 168MHz system clock from
+ * an external 8MHz HSE clock.
+ */
+#if !defined(STM32_SW) || defined(__DOXYGEN__)
+#define STM32_SW STM32_SW_PLL
+#endif
+
+#if defined(STM32F4XX) || defined(__DOXYGEN__)
+/**
+ * @brief Clock source for the PLLs.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 168MHz system clock from
+ * an external 8MHz HSE clock.
+ */
+#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__)
+#define STM32_PLLSRC STM32_PLLSRC_HSE
+#endif
+
+/**
+ * @brief PLLM divider value.
+ * @note The allowed values are 2..63.
+ * @note The default value is calculated for a 168MHz system clock from
+ * an external 8MHz HSE clock.
+ */
+#if !defined(STM32_PLLM_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLM_VALUE 8
+#endif
+
+/**
+ * @brief PLLN multiplier value.
+ * @note The allowed values are 192..432.
+ * @note The default value is calculated for a 168MHz system clock from
+ * an external 8MHz HSE clock.
+ */
+#if !defined(STM32_PLLN_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLN_VALUE 336
+#endif
+
+/**
+ * @brief PLLP divider value.
+ * @note The allowed values are 2, 4, 6, 8.
+ * @note The default value is calculated for a 168MHz system clock from
+ * an external 8MHz HSE clock.
+ */
+#if !defined(STM32_PLLP_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLP_VALUE 2
+#endif
+
+/**
+ * @brief PLLQ multiplier value.
+ * @note The allowed values are 2..15.
+ * @note The default value is calculated for a 168MHz system clock from
+ * an external 8MHz HSE clock.
+ */
+#if !defined(STM32_PLLQ_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLQ_VALUE 7
+#endif
+
+#else /* !defined(STM32F4XX) */
+/**
+ * @brief Clock source for the PLLs.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 120MHz system clock from
+ * an external 8MHz HSE clock.
+ */
+#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__)
+#define STM32_PLLSRC STM32_PLLSRC_HSE
+#endif
+
+/**
+ * @brief PLLM divider value.
+ * @note The allowed values are 2..63.
+ * @note The default value is calculated for a 120MHz system clock from
+ * an external 8MHz HSE clock.
+ */
+#if !defined(STM32_PLLM_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLM_VALUE 8
+#endif
+
+/**
+ * @brief PLLN multiplier value.
+ * @note The allowed values are 192..432.
+ * @note The default value is calculated for a 120MHz system clock from
+ * an external 8MHz HSE clock.
+ */
+#if !defined(STM32_PLLN_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLN_VALUE 240
+#endif
+
+/**
+ * @brief PLLP divider value.
+ * @note The allowed values are 2, 4, 6, 8.
+ * @note The default value is calculated for a 120MHz system clock from
+ * an external 8MHz HSE clock.
+ */
+#if !defined(STM32_PLLP_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLP_VALUE 2
+#endif
+
+/**
+ * @brief PLLQ multiplier value.
+ * @note The allowed values are 2..15.
+ * @note The default value is calculated for a 120MHz system clock from
+ * an external 8MHz HSE clock.
+ */
+#if !defined(STM32_PLLQ_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLQ_VALUE 5
+#endif
+#endif /* !defined(STM32F4XX) */
+
+/**
+ * @brief AHB prescaler value.
+ */
+#if !defined(STM32_HPRE) || defined(__DOXYGEN__)
+#define STM32_HPRE STM32_HPRE_DIV1
+#endif
+
+/**
+ * @brief APB1 prescaler value.
+ */
+#if !defined(STM32_PPRE1) || defined(__DOXYGEN__)
+#define STM32_PPRE1 STM32_PPRE1_DIV4
+#endif
+
+/**
+ * @brief APB2 prescaler value.
+ */
+#if !defined(STM32_PPRE2) || defined(__DOXYGEN__)
+#define STM32_PPRE2 STM32_PPRE2_DIV2
+#endif
+
+/**
+ * @brief RTC clock source.
+ */
+#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
+#define STM32_RTCSEL STM32_RTCSEL_LSE
+#endif
+
+/**
+ * @brief RTC HSE prescaler value.
+ */
+#if !defined(STM32_RTCPRE_VALUE) || defined(__DOXYGEN__)
+#define STM32_RTCPRE_VALUE 8
+#endif
+
+/**
+ * @brief MC01 clock source value.
+ * @note The default value outputs HSI clock on MC01 pin.
+ */
+#if !defined(STM32_MCO1SEL) || defined(__DOXYGEN__)
+#define STM32_MCO1SEL STM32_MCO1SEL_HSI
+#endif
+
+/**
+ * @brief MC01 prescaler value.
+ * @note The default value outputs HSI clock on MC01 pin.
+ */
+#if !defined(STM32_MCO1PRE) || defined(__DOXYGEN__)
+#define STM32_MCO1PRE STM32_MCO1PRE_DIV1
+#endif
+
+/**
+ * @brief MC02 clock source value.
+ * @note The default value outputs SYSCLK / 5 on MC02 pin.
+ */
+#if !defined(STM32_MCO2SEL) || defined(__DOXYGEN__)
+#define STM32_MCO2SEL STM32_MCO2SEL_SYSCLK
+#endif
+
+/**
+ * @brief MC02 prescaler value.
+ * @note The default value outputs SYSCLK / 5 on MC02 pin.
+ */
+#if !defined(STM32_MCO2PRE) || defined(__DOXYGEN__)
+#define STM32_MCO2PRE STM32_MCO2PRE_DIV5
+#endif
+
+/**
+ * @brief I2S clock source.
+ */
+#if !defined(STM32_I2SSRC) || defined(__DOXYGEN__)
+#define STM32_I2SSRC STM32_I2SSRC_CKIN
+#endif
+
+/**
+ * @brief PLLI2SN multiplier value.
+ * @note The allowed values are 192..432.
+ */
+#if !defined(STM32_PLLI2SN_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLI2SN_VALUE 192
+#endif
+
+/**
+ * @brief PLLI2SR multiplier value.
+ * @note The allowed values are 2..7.
+ */
+#if !defined(STM32_PLLI2SR_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLI2SR_VALUE 5
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if defined(STM32F4XX) || defined(__DOXYGEN__)
+/*
+ * Configuration-related checks.
+ */
+#if !defined(STM32F4xx_MCUCONF)
+#error "Using a wrong mcuconf.h file, STM32F4xx_MCUCONF not defined"
+#endif
+
+#else /* !defined(STM32F4XX) */
+/*
+ * Configuration-related checks.
+ */
+#if !defined(STM32F2xx_MCUCONF)
+#error "Using a wrong mcuconf.h file, STM32F2xx_MCUCONF not defined"
+#endif
+#endif /* !defined(STM32F4XX) */
+
+/**
+ * @brief Maximum frequency thresholds and wait states for flash access.
+ * @note The values are valid for 2.7V to 3.6V supply range.
+ */
+#if defined(STM32F429_439xx) || defined(STM32F427_437xx) || \
+ defined(STM32F40_41xxx) || defined(__DOXYGEN__)
+#if ((STM32_VDD >= 270) && (STM32_VDD <= 360)) || defined(__DOXYGEN__)
+#define STM32_0WS_THRESHOLD 30000000
+#define STM32_1WS_THRESHOLD 60000000
+#define STM32_2WS_THRESHOLD 90000000
+#define STM32_3WS_THRESHOLD 120000000
+#define STM32_4WS_THRESHOLD 150000000
+#define STM32_5WS_THRESHOLD 180000000
+#define STM32_6WS_THRESHOLD 0
+#define STM32_7WS_THRESHOLD 0
+#define STM32_8WS_THRESHOLD 0
+#elif (STM32_VDD >= 240) && (STM32_VDD < 270)
+#define STM32_0WS_THRESHOLD 24000000
+#define STM32_1WS_THRESHOLD 48000000
+#define STM32_2WS_THRESHOLD 72000000
+#define STM32_3WS_THRESHOLD 96000000
+#define STM32_4WS_THRESHOLD 120000000
+#define STM32_5WS_THRESHOLD 144000000
+#define STM32_6WS_THRESHOLD 168000000
+#define STM32_7WS_THRESHOLD 180000000
+#define STM32_8WS_THRESHOLD 0
+#elif (STM32_VDD >= 210) && (STM32_VDD < 240)
+#define STM32_0WS_THRESHOLD 22000000
+#define STM32_1WS_THRESHOLD 44000000
+#define STM32_2WS_THRESHOLD 66000000
+#define STM32_3WS_THRESHOLD 88000000
+#define STM32_4WS_THRESHOLD 110000000
+#define STM32_5WS_THRESHOLD 132000000
+#define STM32_6WS_THRESHOLD 154000000
+#define STM32_7WS_THRESHOLD 176000000
+#define STM32_8WS_THRESHOLD 180000000
+#elif (STM32_VDD >= 180) && (STM32_VDD < 210)
+#define STM32_0WS_THRESHOLD 20000000
+#define STM32_1WS_THRESHOLD 40000000
+#define STM32_2WS_THRESHOLD 60000000
+#define STM32_3WS_THRESHOLD 80000000
+#define STM32_4WS_THRESHOLD 100000000
+#define STM32_5WS_THRESHOLD 120000000
+#define STM32_6WS_THRESHOLD 140000000
+#define STM32_7WS_THRESHOLD 168000000
+#define STM32_8WS_THRESHOLD 0
+#else
+#error "invalid VDD voltage specified"
+#endif
+
+#elif defined(STM32F401xx)
+#if (STM32_VDD >= 270) && (STM32_VDD <= 360)
+#define STM32_0WS_THRESHOLD 30000000
+#define STM32_1WS_THRESHOLD 60000000
+#define STM32_2WS_THRESHOLD 84000000
+#define STM32_3WS_THRESHOLD 0
+#define STM32_4WS_THRESHOLD 0
+#define STM32_5WS_THRESHOLD 0
+#define STM32_6WS_THRESHOLD 0
+#define STM32_7WS_THRESHOLD 0
+#define STM32_8WS_THRESHOLD 0
+#elif (STM32_VDD >= 240) && (STM32_VDD < 270)
+#define STM32_0WS_THRESHOLD 24000000
+#define STM32_1WS_THRESHOLD 48000000
+#define STM32_2WS_THRESHOLD 72000000
+#define STM32_3WS_THRESHOLD 84000000
+#define STM32_4WS_THRESHOLD 0
+#define STM32_5WS_THRESHOLD 0
+#define STM32_6WS_THRESHOLD 0
+#define STM32_7WS_THRESHOLD 0
+#define STM32_8WS_THRESHOLD 0
+#elif (STM32_VDD >= 210) && (STM32_VDD < 240)
+#define STM32_0WS_THRESHOLD 18000000
+#define STM32_1WS_THRESHOLD 36000000
+#define STM32_2WS_THRESHOLD 54000000
+#define STM32_3WS_THRESHOLD 72000000
+#define STM32_4WS_THRESHOLD 840000000
+#define STM32_5WS_THRESHOLD 0
+#define STM32_6WS_THRESHOLD 0
+#define STM32_7WS_THRESHOLD 0
+#define STM32_8WS_THRESHOLD 0
+#elif (STM32_VDD >= 180) && (STM32_VDD < 210)
+#define STM32_0WS_THRESHOLD 16000000
+#define STM32_1WS_THRESHOLD 32000000
+#define STM32_2WS_THRESHOLD 48000000
+#define STM32_3WS_THRESHOLD 64000000
+#define STM32_4WS_THRESHOLD 800000000
+#define STM32_5WS_THRESHOLD 840000000
+#define STM32_6WS_THRESHOLD 0
+#define STM32_7WS_THRESHOLD 0
+#define STM32_8WS_THRESHOLD 0
+#else
+#error "invalid VDD voltage specified"
+#endif
+
+#else /* STM32F2XX */
+#if (STM32_VDD >= 270) && (STM32_VDD <= 360)
+#define STM32_0WS_THRESHOLD 30000000
+#define STM32_1WS_THRESHOLD 60000000
+#define STM32_2WS_THRESHOLD 90000000
+#define STM32_3WS_THRESHOLD 120000000
+#define STM32_4WS_THRESHOLD 0
+#define STM32_5WS_THRESHOLD 0
+#define STM32_6WS_THRESHOLD 0
+#define STM32_7WS_THRESHOLD 0
+#elif (STM32_VDD >= 240) && (STM32_VDD < 270)
+#define STM32_0WS_THRESHOLD 24000000
+#define STM32_1WS_THRESHOLD 48000000
+#define STM32_2WS_THRESHOLD 72000000
+#define STM32_3WS_THRESHOLD 96000000
+#define STM32_4WS_THRESHOLD 120000000
+#define STM32_5WS_THRESHOLD 0
+#define STM32_6WS_THRESHOLD 0
+#define STM32_7WS_THRESHOLD 0
+#elif (STM32_VDD >= 210) && (STM32_VDD < 240)
+#define STM32_0WS_THRESHOLD 18000000
+#define STM32_1WS_THRESHOLD 36000000
+#define STM32_2WS_THRESHOLD 54000000
+#define STM32_3WS_THRESHOLD 72000000
+#define STM32_4WS_THRESHOLD 90000000
+#define STM32_5WS_THRESHOLD 108000000
+#define STM32_6WS_THRESHOLD 120000000
+#define STM32_7WS_THRESHOLD 0
+#elif (STM32_VDD >= 180) && (STM32_VDD < 210)
+#define STM32_0WS_THRESHOLD 16000000
+#define STM32_1WS_THRESHOLD 32000000
+#define STM32_2WS_THRESHOLD 48000000
+#define STM32_3WS_THRESHOLD 64000000
+#define STM32_4WS_THRESHOLD 80000000
+#define STM32_5WS_THRESHOLD 96000000
+#define STM32_6WS_THRESHOLD 112000000
+#define STM32_7WS_THRESHOLD 120000000
+#else
+#error "invalid VDD voltage specified"
+#endif
+#endif /* STM32F2XX */
+
+/*
+ * HSI related checks.
+ */
+#if STM32_HSI_ENABLED
+#else /* !STM32_HSI_ENABLED */
+
+#if STM32_SW == STM32_SW_HSI
+#error "HSI not enabled, required by STM32_SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI)
+#error "HSI not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCO1SEL == STM32_MCO1SEL_HSI) || \
+ ((STM32_MCO1SEL == STM32_MCO1SEL_PLL) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSI))
+#error "HSI not enabled, required by STM32_MCO1SEL"
+#endif
+
+#if (STM32_MCO2SEL == STM32_MCO2SEL_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI)
+#error "HSI not enabled, required by STM32_MCO2SEL"
+#endif
+
+#if (STM32_I2SSRC == STM32_I2SSRC_PLLI2S) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSI)
+#error "HSI not enabled, required by STM32_I2SSRC"
+#endif
+
+#endif /* !STM32_HSI_ENABLED */
+
+/*
+ * HSE related checks.
+ */
+#if STM32_HSE_ENABLED
+
+#if STM32_HSECLK == 0
+#error "HSE frequency not defined"
+#elif (STM32_HSECLK < STM32_HSECLK_MIN) || (STM32_HSECLK > STM32_HSECLK_MAX)
+#error "STM32_HSECLK outside acceptable range (STM32_HSECLK_MIN...STM32_HSECLK_MAX)"
+#endif
+
+#else /* !STM32_HSE_ENABLED */
+
+#if STM32_SW == STM32_SW_HSE
+#error "HSE not enabled, required by STM32_SW"
+#endif
+
+#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSE)
+#error "HSE not enabled, required by STM32_SW and STM32_PLLSRC"
+#endif
+
+#if (STM32_MCO1SEL == STM32_MCO1SEL_HSE) || \
+ ((STM32_MCO1SEL == STM32_MCO1SEL_PLL) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSE))
+#error "HSE not enabled, required by STM32_MCO1SEL"
+#endif
+
+#if (STM32_MCO2SEL == STM32_MCO2SEL_HSE) || \
+ ((STM32_MCO2SEL == STM32_MCO2SEL_PLL) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSE))
+#error "HSE not enabled, required by STM32_MCO2SEL"
+#endif
+
+#if (STM32_I2SSRC == STM32_I2SSRC_PLLI2S) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSE)
+#error "HSE not enabled, required by STM32_I2SSRC"
+#endif
+
+#if STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#error "HSE not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_HSE_ENABLED */
+
+/*
+ * LSI related checks.
+ */
+#if STM32_LSI_ENABLED
+#else /* !STM32_LSI_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSI
+#error "LSI not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSI_ENABLED */
+
+/*
+ * LSE related checks.
+ */
+#if STM32_LSE_ENABLED
+
+#if (STM32_LSECLK == 0)
+#error "LSE frequency not defined"
+#endif
+
+#if (STM32_LSECLK < STM32_LSECLK_MIN) || (STM32_LSECLK > STM32_LSECLK_MAX)
+#error "STM32_LSECLK outside acceptable range (STM32_LSECLK_MIN...STM32_LSECLK_MAX)"
+#endif
+
+#else /* !STM32_LSE_ENABLED */
+
+#if STM32_RTCSEL == STM32_RTCSEL_LSE
+#error "LSE not enabled, required by STM32_RTCSEL"
+#endif
+
+#endif /* !STM32_LSE_ENABLED */
+
+/**
+ * @brief STM32_PLLM field.
+ */
+#if ((STM32_PLLM_VALUE >= 2) && (STM32_PLLM_VALUE <= 63)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLLM (STM32_PLLM_VALUE << 0)
+#else
+#error "invalid STM32_PLLM_VALUE value specified"
+#endif
+
+/**
+ * @brief PLLs input clock frequency.
+ */
+#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__)
+#define STM32_PLLCLKIN (STM32_HSECLK / STM32_PLLM_VALUE)
+#elif STM32_PLLSRC == STM32_PLLSRC_HSI
+#define STM32_PLLCLKIN (STM32_HSICLK / STM32_PLLM_VALUE)
+#else
+#error "invalid STM32_PLLSRC value specified"
+#endif
+
+/*
+ * PLLs input frequency range check.
+ */
+#if (STM32_PLLCLKIN < STM32_PLLIN_MIN) || (STM32_PLLCLKIN > STM32_PLLIN_MAX)
+#error "STM32_PLLCLKIN outside acceptable range (STM32_PLLIN_MIN...STM32_PLLIN_MAX)"
+#endif
+
+/*
+ * PLL enable check.
+ */
+#if STM32_CLOCK48_REQUIRED || \
+ (STM32_SW == STM32_SW_PLL) || \
+ (STM32_MCO1SEL == STM32_MCO1SEL_PLL) || \
+ (STM32_MCO2SEL == STM32_MCO2SEL_PLL) || \
+ defined(__DOXYGEN__)
+/**
+ * @brief PLL activation flag.
+ */
+#define STM32_ACTIVATE_PLL TRUE
+#else
+#define STM32_ACTIVATE_PLL FALSE
+#endif
+
+/**
+ * @brief STM32_PLLN field.
+ */
+#if ((STM32_PLLN_VALUE >= 64) && (STM32_PLLN_VALUE <= 432)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLLN (STM32_PLLN_VALUE << 6)
+#else
+#error "invalid STM32_PLLN_VALUE value specified"
+#endif
+
+/**
+ * @brief STM32_PLLP field.
+ */
+#if (STM32_PLLP_VALUE == 2) || defined(__DOXYGEN__)
+#define STM32_PLLP (0 << 16)
+#elif STM32_PLLP_VALUE == 4
+#define STM32_PLLP (1 << 16)
+#elif STM32_PLLP_VALUE == 6
+#define STM32_PLLP (2 << 16)
+#elif STM32_PLLP_VALUE == 8
+#define STM32_PLLP (3 << 16)
+#else
+#error "invalid STM32_PLLP_VALUE value specified"
+#endif
+
+/**
+ * @brief STM32_PLLQ field.
+ */
+#if ((STM32_PLLQ_VALUE >= 2) && (STM32_PLLQ_VALUE <= 15)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLLQ (STM32_PLLQ_VALUE << 24)
+#else
+#error "invalid STM32_PLLQ_VALUE value specified"
+#endif
+
+/**
+ * @brief PLL VCO frequency.
+ */
+#define STM32_PLLVCO (STM32_PLLCLKIN * STM32_PLLN_VALUE)
+
+/*
+ * PLL VCO frequency range check.
+ */
+#if (STM32_PLLVCO < STM32_PLLVCO_MIN) || (STM32_PLLVCO > STM32_PLLVCO_MAX)
+#error "STM32_PLLVCO outside acceptable range (STM32_PLLVCO_MIN...STM32_PLLVCO_MAX)"
+#endif
+
+/**
+ * @brief PLL output clock frequency.
+ */
+#define STM32_PLLCLKOUT (STM32_PLLVCO / STM32_PLLP_VALUE)
+
+/*
+ * PLL output frequency range check.
+ */
+#if (STM32_PLLCLKOUT < STM32_PLLOUT_MIN) || (STM32_PLLCLKOUT > STM32_PLLOUT_MAX)
+#error "STM32_PLLCLKOUT outside acceptable range (STM32_PLLOUT_MIN...STM32_PLLOUT_MAX)"
+#endif
+
+/**
+ * @brief System clock source.
+ */
+#if STM32_NO_INIT || defined(__DOXYGEN__)
+#define STM32_SYSCLK STM32_HSICLK
+#elif (STM32_SW == STM32_SW_HSI)
+#define STM32_SYSCLK STM32_HSICLK
+#elif (STM32_SW == STM32_SW_HSE)
+#define STM32_SYSCLK STM32_HSECLK
+#elif (STM32_SW == STM32_SW_PLL)
+#define STM32_SYSCLK STM32_PLLCLKOUT
+#else
+#error "invalid STM32_SW value specified"
+#endif
+
+/* Check on the system clock.*/
+#if STM32_SYSCLK > STM32_SYSCLK_MAX
+#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/* Calculating VOS settings, it is different for each sub-platform.*/
+#if defined(STM32F429_439xx) || defined(STM32F427_437xx) || \
+ defined(__DOXYGEN__)
+#if STM32_SYSCLK <= 120000000
+#define STM32_VOS STM32_VOS_SCALE3
+#define STM32_OVERDRIVE_REQUIRED FALSE
+#elif STM32_SYSCLK <= 144000000
+#define STM32_VOS STM32_VOS_SCALE2
+#define STM32_OVERDRIVE_REQUIRED FALSE
+#elif STM32_SYSCLK <= 168000000
+#define STM32_VOS STM32_VOS_SCALE1
+#define STM32_OVERDRIVE_REQUIRED FALSE
+#else
+#define STM32_VOS STM32_VOS_SCALE1
+#define STM32_OVERDRIVE_REQUIRED TRUE
+#endif
+
+#elif defined(STM32F40_41xxx)
+#if STM32_SYSCLK <= 144000000
+#define STM32_VOS STM32_VOS_SCALE2
+#else
+#define STM32_VOS STM32_VOS_SCALE1
+#endif
+#define STM32_OVERDRIVE_REQUIRED FALSE
+
+#elif defined(STM32F401xx)
+#if STM32_SYSCLK <= 60000000
+#define STM32_VOS STM32_VOS_SCALE3
+#else
+#define STM32_VOS STM32_VOS_SCALE2
+#endif
+#define STM32_OVERDRIVE_REQUIRED FALSE
+
+#else /* STM32F2XX */
+#define STM32_OVERDRIVE_REQUIRED FALSE
+#endif
+
+/**
+ * @brief AHB frequency.
+ */
+#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__)
+#define STM32_HCLK (STM32_SYSCLK / 1)
+#elif STM32_HPRE == STM32_HPRE_DIV2
+#define STM32_HCLK (STM32_SYSCLK / 2)
+#elif STM32_HPRE == STM32_HPRE_DIV4
+#define STM32_HCLK (STM32_SYSCLK / 4)
+#elif STM32_HPRE == STM32_HPRE_DIV8
+#define STM32_HCLK (STM32_SYSCLK / 8)
+#elif STM32_HPRE == STM32_HPRE_DIV16
+#define STM32_HCLK (STM32_SYSCLK / 16)
+#elif STM32_HPRE == STM32_HPRE_DIV64
+#define STM32_HCLK (STM32_SYSCLK / 64)
+#elif STM32_HPRE == STM32_HPRE_DIV128
+#define STM32_HCLK (STM32_SYSCLK / 128)
+#elif STM32_HPRE == STM32_HPRE_DIV256
+#define STM32_HCLK (STM32_SYSCLK / 256)
+#elif STM32_HPRE == STM32_HPRE_DIV512
+#define STM32_HCLK (STM32_SYSCLK / 512)
+#else
+#error "invalid STM32_HPRE value specified"
+#endif
+
+/*
+ * AHB frequency check.
+ */
+#if STM32_HCLK > STM32_SYSCLK_MAX
+#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief APB1 frequency.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK1 (STM32_HCLK / 1)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV2
+#define STM32_PCLK1 (STM32_HCLK / 2)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV4
+#define STM32_PCLK1 (STM32_HCLK / 4)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV8
+#define STM32_PCLK1 (STM32_HCLK / 8)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV16
+#define STM32_PCLK1 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE1 value specified"
+#endif
+
+/*
+ * APB1 frequency check.
+ */
+#if STM32_PCLK1 > STM32_PCLK1_MAX
+#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)"
+#endif
+
+/**
+ * @brief APB2 frequency.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK2 (STM32_HCLK / 1)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV2
+#define STM32_PCLK2 (STM32_HCLK / 2)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV4
+#define STM32_PCLK2 (STM32_HCLK / 4)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV8
+#define STM32_PCLK2 (STM32_HCLK / 8)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV16
+#define STM32_PCLK2 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE2 value specified"
+#endif
+
+/*
+ * APB2 frequency check.
+ */
+#if STM32_PCLK2 > STM32_PCLK2_MAX
+#error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)"
+#endif
+
+/*
+ * PLLI2S enable check.
+ */
+#if (STM32_I2SSRC == STM32_I2SSRC_PLLI2S) || defined(__DOXYGEN__)
+/**
+ * @brief PLL activation flag.
+ */
+#define STM32_ACTIVATE_PLLI2S TRUE
+#else
+#define STM32_ACTIVATE_PLLI2S FALSE
+#endif
+
+/**
+ * @brief STM32_PLLI2SN field.
+ */
+#if ((STM32_PLLI2SN_VALUE >= 192) && (STM32_PLLI2SN_VALUE <= 432)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLLI2SN (STM32_PLLI2SN_VALUE << 6)
+#else
+#error "invalid STM32_PLLI2SN_VALUE value specified"
+#endif
+
+/**
+ * @brief STM32_PLLI2SR field.
+ */
+#if ((STM32_PLLI2SR_VALUE >= 2) && (STM32_PLLI2SR_VALUE <= 7)) || \
+ defined(__DOXYGEN__)
+#define STM32_PLLI2SR (STM32_PLLI2SR_VALUE << 28)
+#else
+#error "invalid STM32_PLLI2SR_VALUE value specified"
+#endif
+
+/**
+ * @brief PLL VCO frequency.
+ */
+#define STM32_PLLI2SVCO (STM32_PLLCLKIN * STM32_PLLI2SN_VALUE)
+
+/*
+ * PLLI2S VCO frequency range check.
+ */
+#if (STM32_PLLI2SVCO < STM32_PLLVCO_MIN) || \
+ (STM32_PLLI2SVCO > STM32_PLLVCO_MAX)
+#error "STM32_PLLI2SVCO outside acceptable range (STM32_PLLVCO_MIN...STM32_PLLVCO_MAX)"
+#endif
+
+/**
+ * @brief PLLI2S output clock frequency.
+ */
+#define STM32_PLLI2SCLKOUT (STM32_PLLI2SVCO / STM32_PLLI2SR_VALUE)
+
+/**
+ * @brief MCO1 divider clock.
+ */
+#if (STM32_MCO1SEL == STM32_MCO1SEL_HSI) || defined(__DOXYGEN__)
+#define STM32_MCO1DIVCLK STM32_HSICLK
+#elif STM32_MCO1SEL == STM32_MCO1SEL_LSE
+#define STM32_MCO1DIVCLK STM32_LSECLK
+#elif STM32_MCO1SEL == STM32_MCO1SEL_HSE
+#define STM32_MCO1DIVCLK STM32_HSECLK
+#elif STM32_MCO1SEL == STM32_MCO1SEL_PLL
+#define STM32_MCO1DIVCLK STM32_PLLCLKOUT
+#else
+#error "invalid STM32_MCO1SEL value specified"
+#endif
+
+/**
+ * @brief MCO1 output pin clock.
+ */
+#if (STM32_MCO1PRE == STM32_MCO1PRE_DIV1) || defined(__DOXYGEN__)
+#define STM32_MCO1CLK STM32_MCO1DIVCLK
+#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV2
+#define STM32_MCO1CLK (STM32_MCO1DIVCLK / 2)
+#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV3
+#define STM32_MCO1CLK (STM32_MCO1DIVCLK / 3)
+#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV4
+#define STM32_MCO1CLK (STM32_MCO1DIVCLK / 4)
+#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV5
+#define STM32_MCO1CLK (STM32_MCO1DIVCLK / 5)
+#else
+#error "invalid STM32_MCO1PRE value specified"
+#endif
+
+/**
+ * @brief MCO2 divider clock.
+ */
+#if (STM32_MCO2SEL == STM32_MCO2SEL_HSE) || defined(__DOXYGEN__)
+#define STM32_MCO2DIVCLK STM32_HSECLK
+#elif STM32_MCO2SEL == STM32_MCO2SEL_PLL
+#define STM32_MCO2DIVCLK STM32_PLLCLKOUT
+#elif STM32_MCO2SEL == STM32_MCO2SEL_SYSCLK
+#define STM32_MCO2DIVCLK STM32_SYSCLK
+#elif STM32_MCO2SEL == STM32_MCO2SEL_PLLI2S
+#define STM32_MCO2DIVCLK STM32_PLLI2S
+#else
+#error "invalid STM32_MCO2SEL value specified"
+#endif
+
+/**
+ * @brief MCO2 output pin clock.
+ */
+#if (STM32_MCO2PRE == STM32_MCO2PRE_DIV1) || defined(__DOXYGEN__)
+#define STM32_MCO2CLK STM32_MCO2DIVCLK
+#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV2
+#define STM32_MCO2CLK (STM32_MCO2DIVCLK / 2)
+#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV3
+#define STM32_MCO2CLK (STM32_MCO2DIVCLK / 3)
+#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV4
+#define STM32_MCO2CLK (STM32_MCO2DIVCLK / 4)
+#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV5
+#define STM32_MCO2CLK (STM32_MCO2DIVCLK / 5)
+#else
+#error "invalid STM32_MCO2PRE value specified"
+#endif
+
+/**
+ * @brief RTC HSE divider setting.
+ */
+#if ((STM32_RTCPRE_VALUE >= 2) && (STM32_RTCPRE_VALUE <= 31)) || \
+ defined(__DOXYGEN__)
+#define STM32_RTCPRE (STM32_RTCPRE_VALUE << 16)
+#else
+#error "invalid STM32_RTCPRE value specified"
+#endif
+
+/**
+ * @brief HSE divider toward RTC clock.
+ */
+#if ((STM32_RTCPRE_VALUE >= 2) && (STM32_RTCPRE_VALUE <= 31)) || \
+ defined(__DOXYGEN__)
+#define STM32_HSEDIVCLK (STM32_HSECLK / STM32_RTCPRE_VALUE)
+#else
+#error "invalid STM32_RTCPRE value specified"
+#endif
+
+/**
+ * @brief RTC clock.
+ */
+#if (STM32_RTCSEL == STM32_RTCSEL_NOCLOCK) || defined(__DOXYGEN__)
+#define STM32_RTCCLK 0
+#elif STM32_RTCSEL == STM32_RTCSEL_LSE
+#define STM32_RTCCLK STM32_LSECLK
+#elif STM32_RTCSEL == STM32_RTCSEL_LSI
+#define STM32_RTCCLK STM32_LSICLK
+#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#define STM32_RTCCLK STM32_HSEDIVCLK
+#else
+#error "invalid STM32_RTCSEL value specified"
+#endif
+
+/**
+ * @brief 48MHz frequency.
+ */
+#if STM32_CLOCK48_REQUIRED || defined(__DOXYGEN__)
+#define STM32_PLL48CLK (STM32_PLLVCO / STM32_PLLQ_VALUE)
+#else
+#define STM32_PLL48CLK 0
+#endif
+
+/**
+ * @brief Timers 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14 clock.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK1 (STM32_PCLK1 * 1)
+#else
+#define STM32_TIMCLK1 (STM32_PCLK1 * 2)
+#endif
+
+/**
+ * @brief Timers 1, 8 clock.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK2 (STM32_PCLK2 * 1)
+#else
+#define STM32_TIMCLK2 (STM32_PCLK2 * 2)
+#endif
+
+/**
+ * @brief Flash settings.
+ */
+#if (STM32_HCLK <= STM32_0WS_THRESHOLD) || defined(__DOXYGEN__)
+#define STM32_FLASHBITS 0x00000000
+#elif STM32_HCLK <= STM32_1WS_THRESHOLD
+#define STM32_FLASHBITS 0x00000001
+#elif STM32_HCLK <= STM32_2WS_THRESHOLD
+#define STM32_FLASHBITS 0x00000002
+#elif STM32_HCLK <= STM32_3WS_THRESHOLD
+#define STM32_FLASHBITS 0x00000003
+#elif STM32_HCLK <= STM32_4WS_THRESHOLD
+#define STM32_FLASHBITS 0x00000004
+#elif STM32_HCLK <= STM32_5WS_THRESHOLD
+#define STM32_FLASHBITS 0x00000005
+#elif STM32_HCLK <= STM32_6WS_THRESHOLD
+#define STM32_FLASHBITS 0x00000006
+#elif STM32_HCLK <= STM32_7WS_THRESHOLD
+#define STM32_FLASHBITS 0x00000007
+#else
+#define STM32_FLASHBITS 0x00000008
+#endif
+
+/* There are differences in vector names in the various sub-families,
+ normalizing.*/
+#if 0
+#define TIM1_BRK_IRQn TIM1_BRK_TIM9_IRQn
+#define TIM1_UP_IRQn TIM1_UP_TIM10_IRQn
+#define TIM1_TRG_COM_IRQn TIM1_TRG_COM_TIM11_IRQn
+#define TIM8_BRK_IRQn TIM8_BRK_TIM12_IRQn
+#define TIM8_UP_IRQn TIM8_UP_TIM13_IRQn
+#define TIM8_TRG_COM_IRQn TIM8_TRG_COM_TIM14_IRQn
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/* Various helpers.*/
+#include "nvic.h"
+#include "stm32_isr.h"
+#include "stm32_dma.h"
+#include "stm32_rcc.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void hal_lld_init(void);
+ void stm32_clock_init(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _HAL_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F4xx/platform.mk b/os/hal/ports/STM32/STM32F4xx/platform.mk new file mode 100644 index 000000000..d91d96409 --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/platform.mk @@ -0,0 +1,33 @@ +# List of all the STM32F2xx/STM32F4xx platform files.
+PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
+ ${CHIBIOS}/os/hal/ports/STM32F4xx/stm32_dma.c \
+ ${CHIBIOS}/os/hal/ports/STM32F4xx/hal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32F4xx/adc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32F4xx/ext_lld_isr.c \
+ ${CHIBIOS}/os/hal/ports/STM32/can_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/ext_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/mac_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/sdc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv2/pal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv1/i2c_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/OTGv1/usb_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/RTCv2/rtc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv1/spi_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/gpt_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/icu_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/pwm_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/st_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv1/serial_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv1/uart_lld.c
+
+# Required include directories
+PLATFORMINC = ${CHIBIOS}/os/hal/ports/common/ARMCMx \
+ ${CHIBIOS}/os/hal/ports/STM32F4xx \
+ ${CHIBIOS}/os/hal/ports/STM32 \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/OTGv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/RTCv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv1
diff --git a/os/hal/ports/STM32/STM32F4xx/stm32_dma.c b/os/hal/ports/STM32/STM32F4xx/stm32_dma.c new file mode 100644 index 000000000..f64e34b4f --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/stm32_dma.c @@ -0,0 +1,527 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F4xx/stm32_dma.c
+ * @brief Enhanced DMA helper driver code.
+ *
+ * @addtogroup STM32F4xx_DMA
+ * @details DMA sharing helper driver. In the STM32 the DMA streams are a
+ * shared resource, this driver allows to allocate and free DMA
+ * streams at runtime in order to allow all the other device
+ * drivers to coordinate the access to the resource.
+ * @note The DMA ISR handlers are all declared into this module because
+ * sharing, the various device drivers can associate a callback to
+ * ISRs when allocating streams.
+ * @{
+ */
+
+#include "hal.h"
+
+/* The following macro is only defined if some driver requiring DMA services
+ has been enabled.*/
+#if defined(STM32_DMA_REQUIRED) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/**
+ * @brief Mask of the DMA1 streams in @p dma_streams_mask.
+ */
+#define STM32_DMA1_STREAMS_MASK 0x000000FF
+
+/**
+ * @brief Mask of the DMA2 streams in @p dma_streams_mask.
+ */
+#define STM32_DMA2_STREAMS_MASK 0x0000FF00
+
+/**
+ * @brief Post-reset value of the stream CR register.
+ */
+#define STM32_DMA_CR_RESET_VALUE 0x00000000
+
+/**
+ * @brief Post-reset value of the stream FCR register.
+ */
+#define STM32_DMA_FCR_RESET_VALUE 0x00000021
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA streams descriptors.
+ * @details This table keeps the association between an unique stream
+ * identifier and the involved physical registers.
+ * @note Don't use this array directly, use the appropriate wrapper macros
+ * instead: @p STM32_DMA1_STREAM0, @p STM32_DMA1_STREAM1 etc.
+ */
+const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS] = {
+ {DMA1_Stream0, &DMA1->LIFCR, 0, 0, DMA1_Stream0_IRQn},
+ {DMA1_Stream1, &DMA1->LIFCR, 6, 1, DMA1_Stream1_IRQn},
+ {DMA1_Stream2, &DMA1->LIFCR, 16, 2, DMA1_Stream2_IRQn},
+ {DMA1_Stream3, &DMA1->LIFCR, 22, 3, DMA1_Stream3_IRQn},
+ {DMA1_Stream4, &DMA1->HIFCR, 0, 4, DMA1_Stream4_IRQn},
+ {DMA1_Stream5, &DMA1->HIFCR, 6, 5, DMA1_Stream5_IRQn},
+ {DMA1_Stream6, &DMA1->HIFCR, 16, 6, DMA1_Stream6_IRQn},
+ {DMA1_Stream7, &DMA1->HIFCR, 22, 7, DMA1_Stream7_IRQn},
+ {DMA2_Stream0, &DMA2->LIFCR, 0, 8, DMA2_Stream0_IRQn},
+ {DMA2_Stream1, &DMA2->LIFCR, 6, 9, DMA2_Stream1_IRQn},
+ {DMA2_Stream2, &DMA2->LIFCR, 16, 10, DMA2_Stream2_IRQn},
+ {DMA2_Stream3, &DMA2->LIFCR, 22, 11, DMA2_Stream3_IRQn},
+ {DMA2_Stream4, &DMA2->HIFCR, 0, 12, DMA2_Stream4_IRQn},
+ {DMA2_Stream5, &DMA2->HIFCR, 6, 13, DMA2_Stream5_IRQn},
+ {DMA2_Stream6, &DMA2->HIFCR, 16, 14, DMA2_Stream6_IRQn},
+ {DMA2_Stream7, &DMA2->HIFCR, 22, 15, DMA2_Stream7_IRQn},
+};
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA ISR redirector type.
+ */
+typedef struct {
+ stm32_dmaisr_t dma_func; /**< @brief DMA callback function. */
+ void *dma_param; /**< @brief DMA callback parameter. */
+} dma_isr_redir_t;
+
+/**
+ * @brief Mask of the allocated streams.
+ */
+static uint32_t dma_streams_mask;
+
+/**
+ * @brief DMA IRQ redirectors.
+ */
+static dma_isr_redir_t dma_isr_redir[STM32_DMA_STREAMS];
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA1 stream 0 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector6C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->LISR >> 0) & STM32_DMA_ISR_MASK;
+ DMA1->LIFCR = flags << 0;
+ if (dma_isr_redir[0].dma_func)
+ dma_isr_redir[0].dma_func(dma_isr_redir[0].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 1 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector70) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->LISR >> 6) & STM32_DMA_ISR_MASK;
+ DMA1->LIFCR = flags << 6;
+ if (dma_isr_redir[1].dma_func)
+ dma_isr_redir[1].dma_func(dma_isr_redir[1].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 2 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector74) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->LISR >> 16) & STM32_DMA_ISR_MASK;
+ DMA1->LIFCR = flags << 16;
+ if (dma_isr_redir[2].dma_func)
+ dma_isr_redir[2].dma_func(dma_isr_redir[2].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 3 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector78) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->LISR >> 22) & STM32_DMA_ISR_MASK;
+ DMA1->LIFCR = flags << 22;
+ if (dma_isr_redir[3].dma_func)
+ dma_isr_redir[3].dma_func(dma_isr_redir[3].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 4 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector7C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->HISR >> 0) & STM32_DMA_ISR_MASK;
+ DMA1->HIFCR = flags << 0;
+ if (dma_isr_redir[4].dma_func)
+ dma_isr_redir[4].dma_func(dma_isr_redir[4].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 5 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector80) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->HISR >> 6) & STM32_DMA_ISR_MASK;
+ DMA1->HIFCR = flags << 6;
+ if (dma_isr_redir[5].dma_func)
+ dma_isr_redir[5].dma_func(dma_isr_redir[5].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 6 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector84) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->HISR >> 16) & STM32_DMA_ISR_MASK;
+ DMA1->HIFCR = flags << 16;
+ if (dma_isr_redir[6].dma_func)
+ dma_isr_redir[6].dma_func(dma_isr_redir[6].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 7 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorFC) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->HISR >> 22) & STM32_DMA_ISR_MASK;
+ DMA1->HIFCR = flags << 22;
+ if (dma_isr_redir[7].dma_func)
+ dma_isr_redir[7].dma_func(dma_isr_redir[7].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 0 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector120) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->LISR >> 0) & STM32_DMA_ISR_MASK;
+ DMA2->LIFCR = flags << 0;
+ if (dma_isr_redir[8].dma_func)
+ dma_isr_redir[8].dma_func(dma_isr_redir[8].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 1 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector124) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->LISR >> 6) & STM32_DMA_ISR_MASK;
+ DMA2->LIFCR = flags << 6;
+ if (dma_isr_redir[9].dma_func)
+ dma_isr_redir[9].dma_func(dma_isr_redir[9].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 2 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector128) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->LISR >> 16) & STM32_DMA_ISR_MASK;
+ DMA2->LIFCR = flags << 16;
+ if (dma_isr_redir[10].dma_func)
+ dma_isr_redir[10].dma_func(dma_isr_redir[10].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 3 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector12C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->LISR >> 22) & STM32_DMA_ISR_MASK;
+ DMA2->LIFCR = flags << 22;
+ if (dma_isr_redir[11].dma_func)
+ dma_isr_redir[11].dma_func(dma_isr_redir[11].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 4 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector130) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->HISR >> 0) & STM32_DMA_ISR_MASK;
+ DMA2->HIFCR = flags << 0;
+ if (dma_isr_redir[12].dma_func)
+ dma_isr_redir[12].dma_func(dma_isr_redir[12].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 5 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector150) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->HISR >> 6) & STM32_DMA_ISR_MASK;
+ DMA2->HIFCR = flags << 6;
+ if (dma_isr_redir[13].dma_func)
+ dma_isr_redir[13].dma_func(dma_isr_redir[13].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 6 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector154) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->HISR >> 16) & STM32_DMA_ISR_MASK;
+ DMA2->HIFCR = flags << 16;
+ if (dma_isr_redir[14].dma_func)
+ dma_isr_redir[14].dma_func(dma_isr_redir[14].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA2 stream 7 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector158) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA2->HISR >> 22) & STM32_DMA_ISR_MASK;
+ DMA2->HIFCR = flags << 22;
+ if (dma_isr_redir[15].dma_func)
+ dma_isr_redir[15].dma_func(dma_isr_redir[15].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief STM32 DMA helper initialization.
+ *
+ * @init
+ */
+void dmaInit(void) {
+ int i;
+
+ dma_streams_mask = 0;
+ for (i = 0; i < STM32_DMA_STREAMS; i++) {
+ _stm32_dma_streams[i].stream->CR = 0;
+ dma_isr_redir[i].dma_func = NULL;
+ }
+ DMA1->LIFCR = 0xFFFFFFFF;
+ DMA1->HIFCR = 0xFFFFFFFF;
+ DMA2->LIFCR = 0xFFFFFFFF;
+ DMA2->HIFCR = 0xFFFFFFFF;
+}
+
+/**
+ * @brief Allocates a DMA stream.
+ * @details The stream is allocated and, if required, the DMA clock enabled.
+ * The function also enables the IRQ vector associated to the stream
+ * and initializes its priority.
+ * @pre The stream must not be already in use or an error is returned.
+ * @post The stream is allocated and the default ISR handler redirected
+ * to the specified function.
+ * @post The stream ISR vector is enabled and its priority configured.
+ * @post The stream must be freed using @p dmaStreamRelease() before it can
+ * be reused with another peripheral.
+ * @post The stream is in its post-reset state.
+ * @note This function can be invoked in both ISR or thread context.
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] priority IRQ priority mask for the DMA stream
+ * @param[in] func handling function pointer, can be @p NULL
+ * @param[in] param a parameter to be passed to the handling function
+ * @return The operation status.
+ * @retval FALSE no error, stream taken.
+ * @retval TRUE error, stream already taken.
+ *
+ * @special
+ */
+bool dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
+ uint32_t priority,
+ stm32_dmaisr_t func,
+ void *param) {
+
+ osalDbgCheck(dmastp != NULL);
+
+ /* Checks if the stream is already taken.*/
+ if ((dma_streams_mask & (1 << dmastp->selfindex)) != 0)
+ return TRUE;
+
+ /* Marks the stream as allocated.*/
+ dma_isr_redir[dmastp->selfindex].dma_func = func;
+ dma_isr_redir[dmastp->selfindex].dma_param = param;
+ dma_streams_mask |= (1 << dmastp->selfindex);
+
+ /* Enabling DMA clocks required by the current streams set.*/
+ if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) != 0)
+ rccEnableDMA1(FALSE);
+ if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) != 0)
+ rccEnableDMA2(FALSE);
+
+ /* Putting the stream in a safe state.*/
+ dmaStreamDisable(dmastp);
+ dmastp->stream->CR = STM32_DMA_CR_RESET_VALUE;
+ dmastp->stream->FCR = STM32_DMA_FCR_RESET_VALUE;
+
+ /* Enables the associated IRQ vector if a callback is defined.*/
+ if (func != NULL)
+ nvicEnableVector(dmastp->vector, priority);
+
+ return FALSE;
+}
+
+/**
+ * @brief Releases a DMA stream.
+ * @details The stream is freed and, if required, the DMA clock disabled.
+ * Trying to release a unallocated stream is an illegal operation
+ * and is trapped if assertions are enabled.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post The stream is again available.
+ * @note This function can be invoked in both ISR or thread context.
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+void dmaStreamRelease(const stm32_dma_stream_t *dmastp) {
+
+ osalDbgCheck(dmastp != NULL);
+
+ /* Check if the streams is not taken.*/
+ osalDbgAssert((dma_streams_mask & (1 << dmastp->selfindex)) != 0,
+ "not allocated");
+
+ /* Disables the associated IRQ vector.*/
+ nvicDisableVector(dmastp->vector);
+
+ /* Marks the stream as not allocated.*/
+ dma_streams_mask &= ~(1 << dmastp->selfindex);
+
+ /* Shutting down clocks that are no more required, if any.*/
+ if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) == 0)
+ rccDisableDMA1(FALSE);
+ if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) == 0)
+ rccDisableDMA2(FALSE);
+}
+
+#endif /* STM32_DMA_REQUIRED */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F4xx/stm32_dma.h b/os/hal/ports/STM32/STM32F4xx/stm32_dma.h new file mode 100644 index 000000000..cb0d01688 --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/stm32_dma.h @@ -0,0 +1,461 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F4xx/stm32_dma.h
+ * @brief Enhanced-DMA helper driver header.
+ * @note This file requires definitions from the ST STM32F4xx header file
+ * stm32f4xx.h.
+ *
+ * @addtogroup STM32F4xx_DMA
+ * @{
+ */
+
+#ifndef _STM32_DMA_H_
+#define _STM32_DMA_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Total number of DMA streams.
+ * @note This is the total number of streams among all the DMA units.
+ */
+#define STM32_DMA_STREAMS 16
+
+/**
+ * @brief Mask of the ISR bits passed to the DMA callback functions.
+ */
+#define STM32_DMA_ISR_MASK 0x3D
+
+/**
+ * @brief Returns the channel associated to the specified stream.
+ *
+ * @param[in] id the unique numeric stream identifier
+ * @param[in] c a stream/channel association word, one channel per
+ * nibble
+ * @return Returns the channel associated to the stream.
+ */
+#define STM32_DMA_GETCHANNEL(id, c) (((c) >> (((id) & 7) * 4)) & 7)
+
+/**
+ * @brief Checks if a DMA priority is within the valid range.
+ * @param[in] prio DMA priority
+ *
+ * @retval The check result.
+ * @retval FALSE invalid DMA priority.
+ * @retval TRUE correct DMA priority.
+ */
+#define STM32_DMA_IS_VALID_PRIORITY(prio) (((prio) >= 0) && ((prio) <= 3))
+
+/**
+ * @brief Returns an unique numeric identifier for a DMA stream.
+ *
+ * @param[in] dma the DMA unit number
+ * @param[in] stream the stream number
+ * @return An unique numeric stream identifier.
+ */
+#define STM32_DMA_STREAM_ID(dma, stream) ((((dma) - 1) * 8) + (stream))
+
+/**
+ * @brief Returns a DMA stream identifier mask.
+ *
+ *
+ * @param[in] dma the DMA unit number
+ * @param[in] stream the stream number
+ * @return A DMA stream identifier mask.
+ */
+#define STM32_DMA_STREAM_ID_MSK(dma, stream) \
+ (1 << STM32_DMA_STREAM_ID(dma, stream))
+
+/**
+ * @brief Checks if a DMA stream unique identifier belongs to a mask.
+ * @param[in] id the stream numeric identifier
+ * @param[in] mask the stream numeric identifiers mask
+ *
+ * @retval The check result.
+ * @retval FALSE id does not belong to the mask.
+ * @retval TRUE id belongs to the mask.
+ */
+#define STM32_DMA_IS_VALID_ID(id, mask) (((1 << (id)) & (mask)))
+
+/**
+ * @name DMA streams identifiers
+ * @{
+ */
+/**
+ * @brief Returns a pointer to a stm32_dma_stream_t structure.
+ *
+ * @param[in] id the stream numeric identifier
+ * @return A pointer to the stm32_dma_stream_t constant structure
+ * associated to the DMA stream.
+ */
+#define STM32_DMA_STREAM(id) (&_stm32_dma_streams[id])
+
+#define STM32_DMA1_STREAM0 STM32_DMA_STREAM(0)
+#define STM32_DMA1_STREAM1 STM32_DMA_STREAM(1)
+#define STM32_DMA1_STREAM2 STM32_DMA_STREAM(2)
+#define STM32_DMA1_STREAM3 STM32_DMA_STREAM(3)
+#define STM32_DMA1_STREAM4 STM32_DMA_STREAM(4)
+#define STM32_DMA1_STREAM5 STM32_DMA_STREAM(5)
+#define STM32_DMA1_STREAM6 STM32_DMA_STREAM(6)
+#define STM32_DMA1_STREAM7 STM32_DMA_STREAM(7)
+#define STM32_DMA2_STREAM0 STM32_DMA_STREAM(8)
+#define STM32_DMA2_STREAM1 STM32_DMA_STREAM(9)
+#define STM32_DMA2_STREAM2 STM32_DMA_STREAM(10)
+#define STM32_DMA2_STREAM3 STM32_DMA_STREAM(11)
+#define STM32_DMA2_STREAM4 STM32_DMA_STREAM(12)
+#define STM32_DMA2_STREAM5 STM32_DMA_STREAM(13)
+#define STM32_DMA2_STREAM6 STM32_DMA_STREAM(14)
+#define STM32_DMA2_STREAM7 STM32_DMA_STREAM(15)
+/** @} */
+
+/**
+ * @name CR register constants common to all DMA types
+ * @{
+ */
+#define STM32_DMA_CR_EN DMA_SxCR_EN
+#define STM32_DMA_CR_TEIE DMA_SxCR_TEIE
+#define STM32_DMA_CR_HTIE DMA_SxCR_HTIE
+#define STM32_DMA_CR_TCIE DMA_SxCR_TCIE
+#define STM32_DMA_CR_DIR_MASK DMA_SxCR_DIR
+#define STM32_DMA_CR_DIR_P2M 0
+#define STM32_DMA_CR_DIR_M2P DMA_SxCR_DIR_0
+#define STM32_DMA_CR_DIR_M2M DMA_SxCR_DIR_1
+#define STM32_DMA_CR_CIRC DMA_SxCR_CIRC
+#define STM32_DMA_CR_PINC DMA_SxCR_PINC
+#define STM32_DMA_CR_MINC DMA_SxCR_MINC
+#define STM32_DMA_CR_PSIZE_MASK DMA_SxCR_PSIZE
+#define STM32_DMA_CR_PSIZE_BYTE 0
+#define STM32_DMA_CR_PSIZE_HWORD DMA_SxCR_PSIZE_0
+#define STM32_DMA_CR_PSIZE_WORD DMA_SxCR_PSIZE_1
+#define STM32_DMA_CR_MSIZE_MASK DMA_SxCR_MSIZE
+#define STM32_DMA_CR_MSIZE_BYTE 0
+#define STM32_DMA_CR_MSIZE_HWORD DMA_SxCR_MSIZE_0
+#define STM32_DMA_CR_MSIZE_WORD DMA_SxCR_MSIZE_1
+#define STM32_DMA_CR_SIZE_MASK (STM32_DMA_CR_PSIZE_MASK | \
+ STM32_DMA_CR_MSIZE_MASK)
+#define STM32_DMA_CR_PL_MASK DMA_SxCR_PL
+#define STM32_DMA_CR_PL(n) ((n) << 16)
+/** @} */
+
+/**
+ * @name CR register constants only found in STM32F2xx/STM32F4xx
+ * @{
+ */
+#define STM32_DMA_CR_DMEIE DMA_SxCR_DMEIE
+#define STM32_DMA_CR_PFCTRL DMA_SxCR_PFCTRL
+#define STM32_DMA_CR_PINCOS DMA_SxCR_PINCOS
+#define STM32_DMA_CR_DBM DMA_SxCR_DBM
+#define STM32_DMA_CR_CT DMA_SxCR_CT
+#define STM32_DMA_CR_PBURST_MASK DMA_SxCR_PBURST
+#define STM32_DMA_CR_PBURST_SINGLE 0
+#define STM32_DMA_CR_PBURST_INCR4 DMA_SxCR_PBURST_0
+#define STM32_DMA_CR_PBURST_INCR8 DMA_SxCR_PBURST_1
+#define STM32_DMA_CR_PBURST_INCR16 (DMA_SxCR_PBURST_0 | DMA_SxCR_PBURST_1)
+#define STM32_DMA_CR_MBURST_MASK DMA_SxCR_MBURST
+#define STM32_DMA_CR_MBURST_SINGLE 0
+#define STM32_DMA_CR_MBURST_INCR4 DMA_SxCR_MBURST_0
+#define STM32_DMA_CR_MBURST_INCR8 DMA_SxCR_MBURST_1
+#define STM32_DMA_CR_MBURST_INCR16 (DMA_SxCR_MBURST_0 | DMA_SxCR_MBURST_1)
+#define STM32_DMA_CR_CHSEL_MASK DMA_SxCR_CHSEL
+#define STM32_DMA_CR_CHSEL(n) ((n) << 25)
+/** @} */
+
+/**
+ * @name FCR register constants only found in STM32F2xx/STM32F4xx
+ * @{
+ */
+#define STM32_DMA_FCR_FEIE DMA_SxFCR_FEIE
+#define STM32_DMA_FCR_FS_MASK DMA_SxFCR_FS
+#define STM32_DMA_FCR_DMDIS DMA_SxFCR_DMDIS
+#define STM32_DMA_FCR_FTH_MASK DMA_SxFCR_FTH
+#define STM32_DMA_FCR_FTH_1Q 0
+#define STM32_DMA_FCR_FTH_HALF DMA_SxFCR_FTH_0
+#define STM32_DMA_FCR_FTH_3Q DMA_SxFCR_FTH_1
+#define STM32_DMA_FCR_FTH_FULL (DMA_SxFCR_FTH_0 | DMA_SxFCR_FTH_1)
+/** @} */
+
+/**
+ * @name Status flags passed to the ISR callbacks
+ */
+#define STM32_DMA_ISR_FEIF DMA_LISR_FEIF0
+#define STM32_DMA_ISR_DMEIF DMA_LISR_DMEIF0
+#define STM32_DMA_ISR_TEIF DMA_LISR_TEIF0
+#define STM32_DMA_ISR_HTIF DMA_LISR_HTIF0
+#define STM32_DMA_ISR_TCIF DMA_LISR_TCIF0
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief STM32 DMA stream descriptor structure.
+ */
+typedef struct {
+ DMA_Stream_TypeDef *stream; /**< @brief Associated DMA stream. */
+ volatile uint32_t *ifcr; /**< @brief Associated IFCR reg. */
+ uint8_t ishift; /**< @brief Bits offset in xIFCR
+ register. */
+ uint8_t selfindex; /**< @brief Index to self in array. */
+ uint8_t vector; /**< @brief Associated IRQ vector. */
+} stm32_dma_stream_t;
+
+/**
+ * @brief STM32 DMA ISR function type.
+ *
+ * @param[in] p parameter for the registered function
+ * @param[in] flags pre-shifted content of the xISR register, the bits
+ * are aligned to bit zero
+ */
+typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags);
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Macro Functions
+ * @{
+ */
+/**
+ * @brief Associates a peripheral data register to a DMA stream.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] addr value to be written in the PAR register
+ *
+ * @special
+ */
+#define dmaStreamSetPeripheral(dmastp, addr) { \
+ (dmastp)->stream->PAR = (uint32_t)(addr); \
+}
+
+/**
+ * @brief Associates a memory destination to a DMA stream.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] addr value to be written in the M0AR register
+ *
+ * @special
+ */
+#define dmaStreamSetMemory0(dmastp, addr) { \
+ (dmastp)->stream->M0AR = (uint32_t)(addr); \
+}
+
+/**
+ * @brief Associates an alternate memory destination to a DMA stream.
+ * @note This function can be invoked in both ISR or thread context.
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] addr value to be written in the M1AR register
+ *
+ * @special
+ */
+#define dmaStreamSetMemory1(dmastp, addr) { \
+ (dmastp)->stream->M1AR = (uint32_t)(addr); \
+}
+
+/**
+ * @brief Sets the number of transfers to be performed.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] size value to be written in the CNDTR register
+ *
+ * @special
+ */
+#define dmaStreamSetTransactionSize(dmastp, size) { \
+ (dmastp)->stream->NDTR = (uint32_t)(size); \
+}
+
+/**
+ * @brief Returns the number of transfers to be performed.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @return The number of transfers to be performed.
+ *
+ * @special
+ */
+#define dmaStreamGetTransactionSize(dmastp) ((size_t)((dmastp)->stream->NDTR))
+
+/**
+ * @brief Programs the stream mode settings.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] mode value to be written in the CR register
+ *
+ * @special
+ */
+#define dmaStreamSetMode(dmastp, mode) { \
+ (dmastp)->stream->CR = (uint32_t)(mode); \
+}
+
+/**
+ * @brief Programs the stream FIFO settings.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] mode value to be written in the FCR register
+ *
+ * @special
+ */
+#define dmaStreamSetFIFO(dmastp, mode) { \
+ (dmastp)->stream->FCR = (uint32_t)(mode); \
+}
+
+/**
+ * @brief DMA stream enable.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamEnable(dmastp) { \
+ (dmastp)->stream->CR |= STM32_DMA_CR_EN; \
+}
+
+/**
+ * @brief DMA stream disable.
+ * @details The function disables the specified stream, waits for the disable
+ * operation to complete and then clears any pending interrupt.
+ * @note This function can be invoked in both ISR or thread context.
+ * @note Interrupts enabling flags are set to zero after this call, see
+ * bug 3607518.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamDisable(dmastp) { \
+ (dmastp)->stream->CR &= ~(STM32_DMA_CR_TCIE | STM32_DMA_CR_HTIE | \
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_DMEIE | \
+ STM32_DMA_CR_EN); \
+ while (((dmastp)->stream->CR & STM32_DMA_CR_EN) != 0) \
+ ; \
+ dmaStreamClearInterrupt(dmastp); \
+}
+
+/**
+ * @brief DMA stream interrupt sources clear.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamClearInterrupt(dmastp) { \
+ *(dmastp)->ifcr = STM32_DMA_ISR_MASK << (dmastp)->ishift; \
+}
+
+/**
+ * @brief Starts a memory to memory operation using the specified stream.
+ * @note The default transfer data mode is "byte to byte" but it can be
+ * changed by specifying extra options in the @p mode parameter.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] mode value to be written in the CCR register, this value
+ * is implicitly ORed with:
+ * - @p STM32_DMA_CR_MINC
+ * - @p STM32_DMA_CR_PINC
+ * - @p STM32_DMA_CR_DIR_M2M
+ * - @p STM32_DMA_CR_EN
+ * .
+ * @param[in] src source address
+ * @param[in] dst destination address
+ * @param[in] n number of data units to copy
+ */
+#define dmaStartMemCopy(dmastp, mode, src, dst, n) { \
+ dmaStreamSetPeripheral(dmastp, src); \
+ dmaStreamSetMemory0(dmastp, dst); \
+ dmaStreamSetTransactionSize(dmastp, n); \
+ dmaStreamSetMode(dmastp, (mode) | \
+ STM32_DMA_CR_MINC | STM32_DMA_CR_PINC | \
+ STM32_DMA_CR_DIR_M2M | STM32_DMA_CR_EN); \
+}
+
+/**
+ * @brief Polled wait for DMA transfer end.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ */
+#define dmaWaitCompletion(dmastp) { \
+ while ((dmastp)->stream->NDTR > 0) \
+ ; \
+ dmaStreamDisable(dmastp); \
+}
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+extern const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS];
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void dmaInit(void);
+ bool dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
+ uint32_t priority,
+ stm32_dmaisr_t func,
+ void *param);
+ void dmaStreamRelease(const stm32_dma_stream_t *dmastp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _STM32_DMA_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F4xx/stm32_isr.h b/os/hal/ports/STM32/STM32F4xx/stm32_isr.h new file mode 100644 index 000000000..0e936b3d6 --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/stm32_isr.h @@ -0,0 +1,150 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F4xx/stm32_isr.h
+ * @brief ISR remapper driver header.
+ *
+ * @addtogroup STM32F4xx_ISR
+ * @{
+ */
+
+#ifndef _STM32_ISR_H_
+#define _STM32_ISR_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name ISR names and numbers remapping
+ * @{
+ */
+/*
+ * CAN units.
+ */
+#define STM32_CAN1_TX_HANDLER Vector8C
+#define STM32_CAN1_RX0_HANDLER Vector90
+#define STM32_CAN1_RX1_HANDLER Vector94
+#define STM32_CAN1_SCE_HANDLER Vector98
+#define STM32_CAN2_TX_HANDLER Vector13C
+#define STM32_CAN2_RX0_HANDLER Vector140
+#define STM32_CAN2_RX1_HANDLER Vector144
+#define STM32_CAN2_SCE_HANDLER Vector148
+
+#define STM32_CAN1_TX_NUMBER 19
+#define STM32_CAN1_RX0_NUMBER 20
+#define STM32_CAN1_RX1_NUMBER 21
+#define STM32_CAN1_SCE_NUMBER 22
+#define STM32_CAN2_TX_NUMBER 63
+#define STM32_CAN2_RX0_NUMBER 64
+#define STM32_CAN2_RX1_NUMBER 65
+#define STM32_CAN2_SCE_NUMBER 66
+
+/*
+ * OTG units.
+ */
+#define STM32_OTG1_HANDLER Vector14C
+#define STM32_OTG2_HANDLER Vector174
+#define STM32_OTG2_EP1OUT_HANDLER Vector168
+#define STM32_OTG2_EP1IN_HANDLER Vector16C
+
+#define STM32_OTG1_NUMBER 67
+#define STM32_OTG2_NUMBER 77
+#define STM32_OTG2_EP1OUT_NUMBER 74
+#define STM32_OTG2_EP1IN_NUMBER 75
+
+/*
+ * SDIO unit.
+ */
+#define STM32_SDIO_HANDLER Vector104
+
+#define STM32_SDIO_NUMBER 49
+
+/*
+ * TIM units.
+ */
+#define STM32_TIM1_UP_HANDLER VectorA4
+#define STM32_TIM1_CC_HANDLER VectorAC
+#define STM32_TIM2_HANDLER VectorB0
+#define STM32_TIM3_HANDLER VectorB4
+#define STM32_TIM4_HANDLER VectorB8
+#define STM32_TIM5_HANDLER Vector108
+#define STM32_TIM6_HANDLER Vector118
+#define STM32_TIM7_HANDLER Vector11C
+#define STM32_TIM8_UP_HANDLER VectorF0
+#define STM32_TIM8_CC_HANDLER VectorF8
+#define STM32_TIM9_HANDLER VectorA0
+#define STM32_TIM11_HANDLER VectorA8
+#define STM32_TIM12_HANDLER VectorEC
+#define STM32_TIM14_HANDLER VectorF4
+
+#define STM32_TIM1_UP_NUMBER 25
+#define STM32_TIM1_CC_NUMBER 27
+#define STM32_TIM2_NUMBER 28
+#define STM32_TIM3_NUMBER 29
+#define STM32_TIM4_NUMBER 30
+#define STM32_TIM5_NUMBER 50
+#define STM32_TIM6_NUMBER 54
+#define STM32_TIM7_NUMBER 55
+#define STM32_TIM8_UP_NUMBER 44
+#define STM32_TIM8_CC_NUMBER 46
+#define STM32_TIM9_NUMBER 24
+#define STM32_TIM11_NUMBER 26
+#define STM32_TIM12_NUMBER 43
+#define STM32_TIM14_NUMBER 45
+
+/*
+ * USART units.
+ */
+#define STM32_USART1_HANDLER VectorD4
+#define STM32_USART2_HANDLER VectorD8
+#define STM32_USART3_HANDLER VectorDC
+#define STM32_UART4_HANDLER Vector110
+#define STM32_UART5_HANDLER Vector114
+#define STM32_USART6_HANDLER Vector15C
+
+#define STM32_USART1_NUMBER 37
+#define STM32_USART2_NUMBER 38
+#define STM32_USART3_NUMBER 39
+#define STM32_UART4_NUMBER 52
+#define STM32_UART5_NUMBER 53
+#define STM32_USART6_NUMBER 71
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#endif /* _STM32_ISR_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F4xx/stm32_rcc.h b/os/hal/ports/STM32/STM32F4xx/stm32_rcc.h new file mode 100644 index 000000000..9178f67da --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/stm32_rcc.h @@ -0,0 +1,1382 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F4xx/stm32_rcc.h
+ * @brief RCC helper driver header.
+ * @note This file requires definitions from the ST header file
+ * @p stm32f4xx.h.
+ *
+ * @addtogroup STM32F4xx_RCC
+ * @{
+ */
+#ifndef _STM32_RCC_
+#define _STM32_RCC_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Generic RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the clock of one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB1(mask, lp) { \
+ RCC->APB1ENR |= (mask); \
+ if (lp) \
+ RCC->APB1LPENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB1(mask, lp) { \
+ RCC->APB1ENR &= ~(mask); \
+ if (lp) \
+ RCC->APB1LPENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAPB1(mask) { \
+ RCC->APB1RSTR |= (mask); \
+ RCC->APB1RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB2(mask, lp) { \
+ RCC->APB2ENR |= (mask); \
+ if (lp) \
+ RCC->APB2LPENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB2(mask, lp) { \
+ RCC->APB2ENR &= ~(mask); \
+ if (lp) \
+ RCC->APB2LPENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAPB2(mask) { \
+ RCC->APB2RSTR |= (mask); \
+ RCC->APB2RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the AHB1 bus.
+ *
+ * @param[in] mask AHB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAHB1(mask, lp) { \
+ RCC->AHB1ENR |= (mask); \
+ if (lp) \
+ RCC->AHB1LPENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the AHB1 bus.
+ *
+ * @param[in] mask AHB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAHB1(mask, lp) { \
+ RCC->AHB1ENR &= ~(mask); \
+ if (lp) \
+ RCC->AHB1LPENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the AHB1 bus.
+ *
+ * @param[in] mask AHB1 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAHB1(mask) { \
+ RCC->AHB1RSTR |= (mask); \
+ RCC->AHB1RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the AHB2 bus.
+ *
+ * @param[in] mask AHB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAHB2(mask, lp) { \
+ RCC->AHB2ENR |= (mask); \
+ if (lp) \
+ RCC->AHB2LPENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the AHB2 bus.
+ *
+ * @param[in] mask AHB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAHB2(mask, lp) { \
+ RCC->AHB2ENR &= ~(mask); \
+ if (lp) \
+ RCC->AHB2LPENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the AHB2 bus.
+ *
+ * @param[in] mask AHB2 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAHB2(mask) { \
+ RCC->AHB2RSTR |= (mask); \
+ RCC->AHB2RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the AHB3 (FSMC) bus.
+ *
+ * @param[in] mask AHB3 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAHB3(mask, lp) { \
+ RCC->AHB3ENR |= (mask); \
+ if (lp) \
+ RCC->AHB3LPENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the AHB3 (FSMC) bus.
+ *
+ * @param[in] mask AHB3 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAHB3(mask, lp) { \
+ RCC->AHB3ENR &= ~(mask); \
+ if (lp) \
+ RCC->AHB3LPENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the AHB3 (FSMC) bus.
+ *
+ * @param[in] mask AHB3 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAHB3(mask) { \
+ RCC->AHB3RSTR |= (mask); \
+ RCC->AHB3RSTR = 0; \
+}
+/** @} */
+
+/**
+ * @name ADC peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the ADC1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableADC1(lp) rccEnableAPB2(RCC_APB2ENR_ADC1EN, lp)
+
+/**
+ * @brief Disables the ADC1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableADC1(lp) rccDisableAPB2(RCC_APB2ENR_ADC1EN, lp)
+
+/**
+ * @brief Resets the ADC1 peripheral.
+ *
+ * @api
+ */
+#define rccResetADC1() rccResetAPB2(RCC_APB2RSTR_ADC1RST)
+
+/**
+ * @brief Enables the ADC2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableADC2(lp) rccEnableAPB2(RCC_APB2ENR_ADC2EN, lp)
+
+/**
+ * @brief Disables the ADC2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableADC2(lp) rccDisableAPB2(RCC_APB2ENR_ADC2EN, lp)
+
+/**
+ * @brief Resets the ADC2 peripheral.
+ *
+ * @api
+ */
+#define rccResetADC2() rccResetAPB2(RCC_APB2RSTR_ADC2RST)
+
+/**
+ * @brief Enables the ADC3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableADC3(lp) rccEnableAPB2(RCC_APB2ENR_ADC3EN, lp)
+
+/**
+ * @brief Disables the ADC3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableADC3(lp) rccDisableAPB2(RCC_APB2ENR_ADC3EN, lp)
+
+/**
+ * @brief Resets the ADC3 peripheral.
+ *
+ * @api
+ */
+#define rccResetADC3() rccResetAPB2(RCC_APB2RSTR_ADC3RST)
+/** @} */
+
+/**
+ * @name DMA peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the DMA1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableDMA1(lp) rccEnableAHB1(RCC_AHB1ENR_DMA1EN, lp)
+
+/**
+ * @brief Disables the DMA1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableDMA1(lp) rccDisableAHB1(RCC_AHB1ENR_DMA1EN, lp)
+
+/**
+ * @brief Resets the DMA1 peripheral.
+ *
+ * @api
+ */
+#define rccResetDMA1() rccResetAHB1(RCC_AHB1RSTR_DMA1RST)
+
+/**
+ * @brief Enables the DMA2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableDMA2(lp) rccEnableAHB1(RCC_AHB1ENR_DMA2EN, lp)
+
+/**
+ * @brief Disables the DMA2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableDMA2(lp) rccDisableAHB1(RCC_AHB1ENR_DMA2EN, lp)
+
+/**
+ * @brief Resets the DMA2 peripheral.
+ *
+ * @api
+ */
+#define rccResetDMA2() rccResetAHB1(RCC_AHB1RSTR_DMA2RST)
+/** @} */
+
+/**
+ * @name BKPSRAM specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the BKPSRAM peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableBKPSRAM(lp) rccEnableAHB1(RCC_AHB1ENR_BKPSRAMEN, lp)
+
+/**
+ * @brief Disables the BKPSRAM peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableBKPSRAM(lp) rccDisableAHB1(RCC_AHB1ENR_BKPSRAMEN, lp)
+/** @} */
+
+/**
+ * @name PWR interface specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the PWR interface clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnablePWRInterface(lp) rccEnableAPB1(RCC_APB1ENR_PWREN, lp)
+
+/**
+ * @brief Disables PWR interface clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisablePWRInterface(lp) rccDisableAPB1(RCC_APB1ENR_PWREN, lp)
+
+/**
+ * @brief Resets the PWR interface.
+ *
+ * @api
+ */
+#define rccResetPWRInterface() rccResetAPB1(RCC_APB1RSTR_PWRRST)
+/** @} */
+
+
+/**
+ * @name CAN peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the CAN1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableCAN1(lp) rccEnableAPB1(RCC_APB1ENR_CAN1EN, lp)
+
+/**
+ * @brief Disables the CAN1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableCAN1(lp) rccDisableAPB1(RCC_APB1ENR_CAN1EN, lp)
+
+/**
+ * @brief Resets the CAN1 peripheral.
+ *
+ * @api
+ */
+#define rccResetCAN1() rccResetAPB1(RCC_APB1RSTR_CAN1RST)
+
+/**
+ * @brief Enables the CAN2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableCAN2(lp) rccEnableAPB1(RCC_APB1ENR_CAN2EN, lp)
+
+/**
+ * @brief Disables the CAN2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableCAN2(lp) rccDisableAPB1(RCC_APB1ENR_CAN2EN, lp)
+
+/**
+ * @brief Resets the CAN2 peripheral.
+ *
+ * @api
+ */
+#define rccResetCAN2() rccResetAPB1(RCC_APB1RSTR_CAN2RST)
+/** @} */
+
+/**
+ * @name ETH peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the ETH peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableETH(lp) rccEnableAHB1(RCC_AHB1ENR_ETHMACEN | \
+ RCC_AHB1ENR_ETHMACTXEN | \
+ RCC_AHB1ENR_ETHMACRXEN, lp)
+
+/**
+ * @brief Disables the ETH peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableETH(lp) rccDisableAHB1(RCC_AHB1ENR_ETHMACEN | \
+ RCC_AHB1ENR_ETHMACTXEN | \
+ RCC_AHB1ENR_ETHMACRXEN, lp)
+
+/**
+ * @brief Resets the ETH peripheral.
+ *
+ * @api
+ */
+#define rccResetETH() rccResetAHB1(RCC_AHB1RSTR_ETHMACRST)
+/** @} */
+
+/**
+ * @name I2C peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the I2C1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C1(lp) rccEnableAPB1(RCC_APB1ENR_I2C1EN, lp)
+
+/**
+ * @brief Disables the I2C1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableI2C1(lp) rccDisableAPB1(RCC_APB1ENR_I2C1EN, lp)
+
+/**
+ * @brief Resets the I2C1 peripheral.
+ *
+ * @api
+ */
+#define rccResetI2C1() rccResetAPB1(RCC_APB1RSTR_I2C1RST)
+
+/**
+ * @brief Enables the I2C2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C2(lp) rccEnableAPB1(RCC_APB1ENR_I2C2EN, lp)
+
+/**
+ * @brief Disables the I2C2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableI2C2(lp) rccDisableAPB1(RCC_APB1ENR_I2C2EN, lp)
+
+/**
+ * @brief Resets the I2C2 peripheral.
+ *
+ * @api
+ */
+#define rccResetI2C2() rccResetAPB1(RCC_APB1RSTR_I2C2RST)
+
+/**
+ * @brief Enables the I2C3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C3(lp) rccEnableAPB1(RCC_APB1ENR_I2C3EN, lp)
+
+/**
+ * @brief Disables the I2C3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableI2C3(lp) rccDisableAPB1(RCC_APB1ENR_I2C3EN, lp)
+
+/**
+ * @brief Resets the I2C3 peripheral.
+ *
+ * @api
+ */
+#define rccResetI2C3() rccResetAPB1(RCC_APB1RSTR_I2C3RST)
+/** @} */
+
+/**
+ * @name OTG peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the OTG_FS peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableOTG_FS(lp) rccEnableAHB2(RCC_AHB2ENR_OTGFSEN, lp)
+
+/**
+ * @brief Disables the OTG_FS peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableOTG_FS(lp) rccDisableAHB2(RCC_AHB2ENR_OTGFSEN, lp)
+
+/**
+ * @brief Resets the OTG_FS peripheral.
+ *
+ * @api
+ */
+#define rccResetOTG_FS() rccResetAHB2(RCC_AHB2RSTR_OTGFSRST)
+
+/**
+ * @brief Enables the OTG_HS peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableOTG_HS(lp) rccEnableAHB1(RCC_AHB1ENR_OTGHSEN, lp)
+
+/**
+ * @brief Disables the OTG_HS peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableOTG_HS(lp) rccDisableAHB1(RCC_AHB1ENR_OTGHSEN, lp)
+
+/**
+ * @brief Resets the OTG_HS peripheral.
+ *
+ * @api
+ */
+#define rccResetOTG_HS() rccResetAHB1(RCC_AHB1RSTR_OTGHSRST)
+/** @} */
+
+/**
+ * @name SDIO peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the SDIO peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSDIO(lp) rccEnableAPB2(RCC_APB2ENR_SDIOEN, lp)
+
+/**
+ * @brief Disables the SDIO peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSDIO(lp) rccDisableAPB2(RCC_APB2ENR_SDIOEN, lp)
+
+/**
+ * @brief Resets the SDIO peripheral.
+ * @note Not supported in this family, does nothing.
+ *
+ * @api
+ */
+#define rccResetSDIO() rccResetAPB2(RCC_APB2RSTR_SDIORST)
+/** @} */
+
+/**
+ * @name SPI peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the SPI1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI1(lp) rccEnableAPB2(RCC_APB2ENR_SPI1EN, lp)
+
+/**
+ * @brief Disables the SPI1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI1(lp) rccDisableAPB2(RCC_APB2ENR_SPI1EN, lp)
+
+/**
+ * @brief Resets the SPI1 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI1() rccResetAPB2(RCC_APB2RSTR_SPI1RST)
+
+/**
+ * @brief Enables the SPI2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI2(lp) rccEnableAPB1(RCC_APB1ENR_SPI2EN, lp)
+
+/**
+ * @brief Disables the SPI2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI2(lp) rccDisableAPB1(RCC_APB1ENR_SPI2EN, lp)
+
+/**
+ * @brief Resets the SPI2 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI2() rccResetAPB1(RCC_APB1RSTR_SPI2RST)
+
+/**
+ * @brief Enables the SPI3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI3(lp) rccEnableAPB1(RCC_APB1ENR_SPI3EN, lp)
+
+/**
+ * @brief Disables the SPI3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI3(lp) rccDisableAPB1(RCC_APB1ENR_SPI3EN, lp)
+
+/**
+ * @brief Resets the SPI3 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI3() rccResetAPB1(RCC_APB1RSTR_SPI3RST)
+
+/**
+ * @brief Enables the SPI4 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI4(lp) rccEnableAPB2(RCC_APB2ENR_SPI4EN, lp)
+
+/**
+ * @brief Disables the SPI4 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI4(lp) rccDisableAPB2(RCC_APB2ENR_SPI4EN, lp)
+
+/**
+ * @brief Resets the SPI4 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI4() rccResetAPB2(RCC_APB2RSTR_SPI4RST)
+
+/**
+ * @brief Enables the SPI5 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI5(lp) rccEnableAPB2(RCC_APB2ENR_SPI5EN, lp)
+
+/**
+ * @brief Disables the SPI5 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI5(lp) rccDisableAPB2(RCC_APB2ENR_SPI5EN, lp)
+
+/**
+ * @brief Resets the SPI5 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI5() rccResetAPB2(RCC_APB2RSTR_SPI5RST)
+
+/**
+ * @brief Enables the SPI6 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI6(lp) rccEnableAPB2(RCC_APB2ENR_SPI6EN, lp)
+
+/**
+ * @brief Disables the SPI6 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI6(lp) rccDisableAPB2(RCC_APB2ENR_SPI6EN, lp)
+
+/**
+ * @brief Resets the SPI6 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI6() rccResetAPB2(RCC_APB2RSTR_SPI6RST)
+/** @} */
+
+/**
+ * @name TIM peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the TIM1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM1(lp) rccEnableAPB2(RCC_APB2ENR_TIM1EN, lp)
+
+/**
+ * @brief Disables the TIM1 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM1(lp) rccDisableAPB2(RCC_APB2ENR_TIM1EN, lp)
+
+/**
+ * @brief Resets the TIM1 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM1() rccResetAPB2(RCC_APB2RSTR_TIM1RST)
+
+/**
+ * @brief Enables the TIM2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM2(lp) rccEnableAPB1(RCC_APB1ENR_TIM2EN, lp)
+
+/**
+ * @brief Disables the TIM2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM2(lp) rccDisableAPB1(RCC_APB1ENR_TIM2EN, lp)
+
+/**
+ * @brief Resets the TIM2 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM2() rccResetAPB1(RCC_APB1RSTR_TIM2RST)
+
+/**
+ * @brief Enables the TIM3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM3(lp) rccEnableAPB1(RCC_APB1ENR_TIM3EN, lp)
+
+/**
+ * @brief Disables the TIM3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM3(lp) rccDisableAPB1(RCC_APB1ENR_TIM3EN, lp)
+
+/**
+ * @brief Resets the TIM3 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM3() rccResetAPB1(RCC_APB1RSTR_TIM3RST)
+
+/**
+ * @brief Enables the TIM4 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM4(lp) rccEnableAPB1(RCC_APB1ENR_TIM4EN, lp)
+
+/**
+ * @brief Disables the TIM4 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM4(lp) rccDisableAPB1(RCC_APB1ENR_TIM4EN, lp)
+
+/**
+ * @brief Resets the TIM4 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM4() rccResetAPB1(RCC_APB1RSTR_TIM4RST)
+
+/**
+ * @brief Enables the TIM5 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM5(lp) rccEnableAPB1(RCC_APB1ENR_TIM5EN, lp)
+
+/**
+ * @brief Disables the TIM5 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM5(lp) rccDisableAPB1(RCC_APB1ENR_TIM5EN, lp)
+
+/**
+ * @brief Resets the TIM5 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM5() rccResetAPB1(RCC_APB1RSTR_TIM5RST)
+
+/**
+ * @brief Enables the TIM6 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM6(lp) rccEnableAPB1(RCC_APB1ENR_TIM6EN, lp)
+
+/**
+ * @brief Disables the TIM6 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM6(lp) rccDisableAPB1(RCC_APB1ENR_TIM6EN, lp)
+
+/**
+ * @brief Resets the TIM6 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM6() rccResetAPB1(RCC_APB1RSTR_TIM6RST)
+
+/**
+ * @brief Enables the TIM7 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM7(lp) rccEnableAPB1(RCC_APB1ENR_TIM7EN, lp)
+
+/**
+ * @brief Disables the TIM7 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM7(lp) rccDisableAPB1(RCC_APB1ENR_TIM7EN, lp)
+
+/**
+ * @brief Resets the TIM7 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM7() rccResetAPB1(RCC_APB1RSTR_TIM7RST)
+
+/**
+ * @brief Enables the TIM8 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM8(lp) rccEnableAPB2(RCC_APB2ENR_TIM8EN, lp)
+
+/**
+ * @brief Disables the TIM8 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM8(lp) rccDisableAPB2(RCC_APB2ENR_TIM8EN, lp)
+
+/**
+ * @brief Resets the TIM8 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM8() rccResetAPB2(RCC_APB2RSTR_TIM8RST)
+
+/**
+ * @brief Enables the TIM9peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM9(lp) rccEnableAPB2(RCC_APB2ENR_TIM9EN, lp)
+
+/**
+ * @brief Disables the TIM9 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM9(lp) rccDisableAPB2(RCC_APB2ENR_TIM9EN, lp)
+
+/**
+ * @brief Resets the TIM9 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM9() rccResetAPB2(RCC_APB2RSTR_TIM9RST)
+
+/**
+ * @brief Enables the TIM11 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM11(lp) rccEnableAPB2(RCC_APB2ENR_TIM11EN, lp)
+
+/**
+ * @brief Disables the TIM11 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM11(lp) rccDisableAPB2(RCC_APB2ENR_TIM11EN, lp)
+
+/**
+ * @brief Resets the TIM11 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM11() rccResetAPB2(RCC_APB2RSTR_TIM11RST)
+
+/**
+ * @brief Enables the TIM12 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM12(lp) rccEnableAPB1(RCC_APB1ENR_TIM12EN, lp)
+
+/**
+ * @brief Disables the TIM12 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM12(lp) rccDisableAPB1(RCC_APB1ENR_TIM12EN, lp)
+
+/**
+ * @brief Resets the TIM12 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM12() rccResetAPB1(RCC_APB1RSTR_TIM12RST)
+
+/**
+ * @brief Enables the TIM14 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM14(lp) rccEnableAPB1(RCC_APB1ENR_TIM14EN, lp)
+
+/**
+ * @brief Disables the TIM14 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM14(lp) rccDisableAPB1(RCC_APB1ENR_TIM14EN, lp)
+
+/**
+ * @brief Resets the TIM14 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM14() rccResetAPB1(RCC_APB1RSTR_TIM14RST)
+/** @} */
+
+/**
+ * @name USART/UART peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the USART1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART1(lp) rccEnableAPB2(RCC_APB2ENR_USART1EN, lp)
+
+/**
+ * @brief Disables the USART1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART1(lp) rccDisableAPB2(RCC_APB2ENR_USART1EN, lp)
+
+/**
+ * @brief Resets the USART1 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART1() rccResetAPB2(RCC_APB2RSTR_USART1RST)
+
+/**
+ * @brief Enables the USART2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART2(lp) rccEnableAPB1(RCC_APB1ENR_USART2EN, lp)
+
+/**
+ * @brief Disables the USART2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART2(lp) rccDisableAPB1(RCC_APB1ENR_USART2EN, lp)
+
+/**
+ * @brief Resets the USART2 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART2() rccResetAPB1(RCC_APB1RSTR_USART2RST)
+
+/**
+ * @brief Enables the USART3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART3(lp) rccEnableAPB1(RCC_APB1ENR_USART3EN, lp)
+
+/**
+ * @brief Disables the USART3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART3(lp) rccDisableAPB1(RCC_APB1ENR_USART3EN, lp)
+
+/**
+ * @brief Resets the USART3 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART3() rccResetAPB1(RCC_APB1RSTR_USART3RST)
+
+/**
+ * @brief Enables the USART6 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART6(lp) rccEnableAPB2(RCC_APB2ENR_USART6EN, lp)
+
+/**
+ * @brief Disables the USART6 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART6(lp) rccDisableAPB2(RCC_APB2ENR_USART6EN, lp)
+
+/**
+ * @brief Enables the UART4 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUART4(lp) rccEnableAPB1(RCC_APB1ENR_UART4EN, lp)
+
+/**
+ * @brief Disables the UART4 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUART4(lp) rccDisableAPB1(RCC_APB1ENR_UART4EN, lp)
+
+/**
+ * @brief Resets the UART4 peripheral.
+ *
+ * @api
+ */
+#define rccResetUART4() rccResetAPB1(RCC_APB1RSTR_UART4RST)
+
+/**
+ * @brief Enables the UART5 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUART5(lp) rccEnableAPB1(RCC_APB1ENR_UART5EN, lp)
+
+/**
+ * @brief Disables the UART5 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUART5(lp) rccDisableAPB1(RCC_APB1ENR_UART5EN, lp)
+
+/**
+ * @brief Resets the UART5 peripheral.
+ *
+ * @api
+ */
+#define rccResetUART5() rccResetAPB1(RCC_APB1RSTR_UART5RST)
+
+/**
+ * @brief Resets the USART6 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART6() rccResetAPB2(RCC_APB2RSTR_USART6RST)
+/** @} */
+
+/**
+ * @name LTDC peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the LTDC peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableLTDC(lp) rccEnableAPB2(RCC_APB2ENR_LTDCEN, lp)
+
+/**
+ * @brief Disables the LTDC peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableLTDC(lp) rccDisableAPB2(RCC_APB2ENR_LTDCEN, lp)
+
+/**
+ * @brief Resets the LTDC peripheral.
+ *
+ * @api
+ */
+#define rccResetLTDC() rccResetAPB2(RCC_APB2RSTR_LTDCRST)
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _STM32_RCC_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32F4xx/stm32_registry.h b/os/hal/ports/STM32/STM32F4xx/stm32_registry.h new file mode 100644 index 000000000..8e15527f9 --- /dev/null +++ b/os/hal/ports/STM32/STM32F4xx/stm32_registry.h @@ -0,0 +1,296 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32F4xx/stm32_registry.h
+ * @brief STM32F4xx capabilities registry.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _STM32_REGISTRY_H_
+#define _STM32_REGISTRY_H_
+
+/*===========================================================================*/
+/* Platform capabilities. */
+/*===========================================================================*/
+
+/**
+ * @name STM32F4xx capabilities
+ * @{
+ */
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_ADC1_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 0) |\
+ STM32_DMA_STREAM_ID_MSK(2, 4))
+#define STM32_ADC1_DMA_CHN 0x00000000
+
+#define STM32_HAS_ADC2 TRUE
+#define STM32_ADC2_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 2) |\
+ STM32_DMA_STREAM_ID_MSK(2, 3))
+#define STM32_ADC2_DMA_CHN 0x00001100
+
+#define STM32_HAS_ADC3 TRUE
+#define STM32_ADC3_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 0) |\
+ STM32_DMA_STREAM_ID_MSK(2, 1))
+#define STM32_ADC3_DMA_CHN 0x00000022
+
+#define STM32_HAS_ADC4 FALSE
+
+#define STM32_HAS_SDADC1 FALSE
+#define STM32_HAS_SDADC2 FALSE
+#define STM32_HAS_SDADC3 FALSE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 TRUE
+#define STM32_HAS_CAN2 TRUE
+#define STM32_CAN_MAX_FILTERS 28
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC1 TRUE
+#define STM32_HAS_DAC2 FALSE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA TRUE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 TRUE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH TRUE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 23
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD TRUE
+#define STM32_HAS_GPIOE TRUE
+#define STM32_HAS_GPIOH TRUE
+#if !defined(STM32F401xx)
+#define STM32_HAS_GPIOF TRUE
+#define STM32_HAS_GPIOG TRUE
+#define STM32_HAS_GPIOI TRUE
+#else
+#define STM32_HAS_GPIOF FALSE
+#define STM32_HAS_GPIOG FALSE
+#define STM32_HAS_GPIOI FALSE
+#endif
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 0) |\
+ STM32_DMA_STREAM_ID_MSK(1, 5))
+#define STM32_I2C1_RX_DMA_CHN 0x00100001
+#define STM32_I2C1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 7) |\
+ STM32_DMA_STREAM_ID_MSK(1, 6))
+#define STM32_I2C1_TX_DMA_CHN 0x11000000
+
+#define STM32_HAS_I2C2 TRUE
+#define STM32_I2C2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 2) |\
+ STM32_DMA_STREAM_ID_MSK(1, 3))
+#define STM32_I2C2_RX_DMA_CHN 0x00007700
+#define STM32_I2C2_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 7)
+#define STM32_I2C2_TX_DMA_CHN 0x70000000
+
+#define STM32_HAS_I2C3 TRUE
+#define STM32_I2C3_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 2)
+#define STM32_I2C3_RX_DMA_CHN 0x00000300
+#define STM32_I2C3_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 4)
+#define STM32_I2C3_TX_DMA_CHN 0x00030000
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#if defined(STM32F4XX) || defined(__DOXYGEN__)
+#define STM32_RTC_HAS_SUBSECONDS TRUE
+#else
+#define STM32_RTC_HAS_SUBSECONDS FALSE
+#endif
+#define STM32_RTC_IS_CALENDAR TRUE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO TRUE
+#define STM32_SDC_SDIO_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 3) |\
+ STM32_DMA_STREAM_ID_MSK(2, 6))
+#define STM32_SDC_SDIO_DMA_CHN 0x04004000
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 0) |\
+ STM32_DMA_STREAM_ID_MSK(2, 2))
+#define STM32_SPI1_RX_DMA_CHN 0x00000303
+#define STM32_SPI1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 3) |\
+ STM32_DMA_STREAM_ID_MSK(2, 5))
+#define STM32_SPI1_TX_DMA_CHN 0x00303000
+
+#define STM32_HAS_SPI2 TRUE
+#define STM32_SPI2_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 3)
+#define STM32_SPI2_RX_DMA_CHN 0x00000000
+#define STM32_SPI2_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 4)
+#define STM32_SPI2_TX_DMA_CHN 0x00000000
+
+#define STM32_HAS_SPI3 TRUE
+#define STM32_SPI3_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 0) |\
+ STM32_DMA_STREAM_ID_MSK(1, 2))
+#define STM32_SPI3_RX_DMA_CHN 0x00000000
+#define STM32_SPI3_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 5) |\
+ STM32_DMA_STREAM_ID_MSK(1, 7))
+#define STM32_SPI3_TX_DMA_CHN 0x00000000
+
+#if defined(STM32F427_437xx) || defined(STM32F429_439xx)
+#define STM32_HAS_SPI4 TRUE
+#define STM32_SPI4_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 0) |\
+ STM32_DMA_STREAM_ID_MSK(2, 3))
+#define STM32_SPI4_RX_DMA_CHN 0x00005004
+#define STM32_SPI4_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 1) |\
+ STM32_DMA_STREAM_ID_MSK(2, 4))
+#define STM32_SPI4_TX_DMA_CHN 0x00050040
+
+#define STM32_HAS_SPI5 TRUE
+#define STM32_SPI5_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 3) | \
+ STM32_DMA_STREAM_ID_MSK(2, 5))
+#define STM32_SPI5_RX_DMA_CHN 0x00702000
+#define STM32_SPI5_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 4) | \
+ STM32_DMA_STREAM_ID_MSK(2, 6))
+#define STM32_SPI5_TX_DMA_CHN 0x07020000
+
+#define STM32_HAS_SPI6 TRUE
+#define STM32_SPI6_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 6))
+#define STM32_SPI6_RX_DMA_CHN 0x01000000
+#define STM32_SPI6_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 5))
+#define STM32_SPI6_TX_DMA_CHN 0x00100000
+
+#else /* !(defined(STM32F427_437xx) || defined(STM32F429_439xx)) */
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+#endif /* !(defined(STM32F427_437xx) || defined(STM32F429_439xx)) */
+
+/* TIM attributes.*/
+#define STM32_HAS_TIM1 TRUE
+#define STM32_TIM1_IS_32BITS FALSE
+#define STM32_TIM1_CHANNELS 4
+
+#define STM32_HAS_TIM2 TRUE
+#define STM32_TIM2_IS_32BITS TRUE
+#define STM32_TIM2_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM4 TRUE
+#define STM32_TIM4_IS_32BITS FALSE
+#define STM32_TIM4_CHANNELS 4
+
+#define STM32_HAS_TIM5 TRUE
+#define STM32_TIM5_IS_32BITS TRUE
+#define STM32_TIM5_CHANNELS 4
+
+#define STM32_HAS_TIM6 TRUE
+#define STM32_TIM6_IS_32BITS FALSE
+#define STM32_TIM6_CHANNELS 0
+
+#define STM32_HAS_TIM7 TRUE
+#define STM32_TIM7_IS_32BITS FALSE
+#define STM32_TIM7_CHANNELS 0
+
+#define STM32_HAS_TIM8 TRUE
+#define STM32_TIM8_IS_32BITS FALSE
+#define STM32_TIM8_CHANNELS 6
+
+#define STM32_HAS_TIM9 TRUE
+#define STM32_TIM9_IS_32BITS FALSE
+#define STM32_TIM9_CHANNELS 2
+
+#define STM32_HAS_TIM10 TRUE
+#define STM32_TIM10_IS_32BITS FALSE
+#define STM32_TIM10_CHANNELS 2
+
+#define STM32_HAS_TIM11 TRUE
+#define STM32_TIM11_IS_32BITS FALSE
+#define STM32_TIM11_CHANNELS 2
+
+#define STM32_HAS_TIM12 TRUE
+#define STM32_TIM12_IS_32BITS FALSE
+#define STM32_TIM12_CHANNELS 2
+
+#define STM32_HAS_TIM13 TRUE
+#define STM32_TIM13_IS_32BITS FALSE
+#define STM32_TIM13_CHANNELS 2
+
+#define STM32_HAS_TIM14 TRUE
+#define STM32_TIM14_IS_32BITS FALSE
+#define STM32_TIM14_CHANNELS 2
+
+#define STM32_HAS_TIM15 FALSE
+#define STM32_HAS_TIM16 FALSE
+#define STM32_HAS_TIM17 FALSE
+#define STM32_HAS_TIM18 FALSE
+#define STM32_HAS_TIM19 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_USART1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 2) |\
+ STM32_DMA_STREAM_ID_MSK(2, 5))
+#define STM32_USART1_RX_DMA_CHN 0x00400400
+#define STM32_USART1_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(2, 7)
+#define STM32_USART1_TX_DMA_CHN 0x40000000
+
+#define STM32_HAS_USART2 TRUE
+#define STM32_USART2_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 5)
+#define STM32_USART2_RX_DMA_CHN 0x00400000
+#define STM32_USART2_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 6)
+#define STM32_USART2_TX_DMA_CHN 0x04000000
+
+#define STM32_HAS_USART3 TRUE
+#define STM32_USART3_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 1)
+#define STM32_USART3_RX_DMA_CHN 0x00000040
+#define STM32_USART3_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 3) |\
+ STM32_DMA_STREAM_ID_MSK(1, 4))
+#define STM32_USART3_TX_DMA_CHN 0x00074000
+
+#define STM32_HAS_UART4 TRUE
+#define STM32_UART4_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 2)
+#define STM32_UART4_RX_DMA_CHN 0x00000400
+#define STM32_UART4_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 4)
+#define STM32_UART4_TX_DMA_CHN 0x00040000
+
+#define STM32_HAS_UART5 TRUE
+#define STM32_UART5_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 0)
+#define STM32_UART5_RX_DMA_CHN 0x00000004
+#define STM32_UART5_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 7)
+#define STM32_UART5_TX_DMA_CHN 0x40000000
+
+#define STM32_HAS_USART6 TRUE
+#define STM32_USART6_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 1) |\
+ STM32_DMA_STREAM_ID_MSK(2, 2))
+#define STM32_USART6_RX_DMA_CHN 0x00000550
+#define STM32_USART6_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 6) |\
+ STM32_DMA_STREAM_ID_MSK(2, 7))
+#define STM32_USART6_TX_DMA_CHN 0x55000000
+
+/* USB attributes.*/
+#define STM32_HAS_USB FALSE
+#define STM32_HAS_OTG1 TRUE
+#define STM32_HAS_OTG2 TRUE
+/** @} */
+
+#endif /* _STM32_REGISTRY_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32L1xx/adc_lld.c b/os/hal/ports/STM32/STM32L1xx/adc_lld.c new file mode 100644 index 000000000..1f4649c9c --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/adc_lld.c @@ -0,0 +1,280 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32L1xx/adc_lld.c
+ * @brief STM32L1xx ADC subsystem low level driver source.
+ *
+ * @addtogroup ADC
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_ADC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/** @brief ADC1 driver identifier.*/
+#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)
+ADCDriver ADCD1;
+#endif
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief ADC DMA ISR service routine.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ * @param[in] flags pre-shifted content of the ISR register
+ */
+static void adc_lld_serve_rx_interrupt(ADCDriver *adcp, uint32_t flags) {
+
+ /* DMA errors handling.*/
+ if ((flags & (STM32_DMA_ISR_TEIF | STM32_DMA_ISR_DMEIF)) != 0) {
+ /* DMA, this could help only if the DMA tries to access an unmapped
+ address space or violates alignment rules.*/
+ _adc_isr_error_code(adcp, ADC_ERR_DMAFAILURE);
+ }
+ else {
+ /* It is possible that the conversion group has already be reset by the
+ ADC error handler, in this case this interrupt is spurious.*/
+ if (adcp->grpp != NULL) {
+ if ((flags & STM32_DMA_ISR_TCIF) != 0) {
+ /* Transfer complete processing.*/
+ _adc_isr_full_code(adcp);
+ }
+ else if ((flags & STM32_DMA_ISR_HTIF) != 0) {
+ /* Half transfer processing.*/
+ _adc_isr_half_code(adcp);
+ }
+ }
+ }
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)
+/**
+ * @brief ADC interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector88) {
+ uint32_t sr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ sr = ADC1->SR;
+ ADC1->SR = 0;
+ /* Note, an overflow may occur after the conversion ended before the driver
+ is able to stop the ADC, this is why the DMA channel is checked too.*/
+ if ((sr & ADC_SR_OVR) && (dmaStreamGetTransactionSize(ADCD1.dmastp) > 0)) {
+ /* ADC overflow condition, this could happen only if the DMA is unable
+ to read data fast enough.*/
+ if (ADCD1.grpp != NULL)
+ _adc_isr_error_code(&ADCD1, ADC_ERR_OVERFLOW);
+ }
+ /* TODO: Add here analog watchdog handling.*/
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level ADC driver initialization.
+ *
+ * @notapi
+ */
+void adc_lld_init(void) {
+
+#if STM32_ADC_USE_ADC1
+ /* Driver initialization.*/
+ adcObjectInit(&ADCD1);
+ ADCD1.adc = ADC1;
+ ADCD1.dmastp = STM32_DMA1_STREAM1;
+ ADCD1.dmamode = STM32_DMA_CR_PL(STM32_ADC_ADC1_DMA_PRIORITY) |
+ STM32_DMA_CR_DIR_P2M |
+ STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
+#endif
+
+ /* The shared vector is initialized on driver initialization and never
+ disabled.*/
+ nvicEnableVector(ADC1_IRQn, STM32_ADC_IRQ_PRIORITY);
+}
+
+/**
+ * @brief Configures and activates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_start(ADCDriver *adcp) {
+
+ /* If in stopped state then enables the ADC and DMA clocks.*/
+ if (adcp->state == ADC_STOP) {
+#if STM32_ADC_USE_ADC1
+ if (&ADCD1 == adcp) {
+ bool b = dmaStreamAllocate(adcp->dmastp,
+ STM32_ADC_ADC1_DMA_IRQ_PRIORITY,
+ (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
+ (void *)adcp);
+ osalDbgAssert(!b, "stream already allocated");
+ dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR);
+ rccEnableADC1(FALSE);
+ }
+#endif /* STM32_ADC_USE_ADC1 */
+
+ /* ADC initial setup, starting the analog part here in order to reduce
+ the latency when starting a conversion.*/
+ adcp->adc->CR1 = 0;
+ adcp->adc->CR2 = 0;
+ adcp->adc->CR2 = ADC_CR2_ADON;
+ }
+}
+
+/**
+ * @brief Deactivates the ADC peripheral.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_stop(ADCDriver *adcp) {
+
+ /* If in ready state then disables the ADC clock and analog part.*/
+ if (adcp->state == ADC_READY) {
+ dmaStreamRelease(adcp->dmastp);
+ adcp->adc->CR1 = 0;
+ adcp->adc->CR2 = 0;
+
+#if STM32_ADC_USE_ADC1
+ if (&ADCD1 == adcp)
+ rccDisableADC1(FALSE);
+#endif
+ }
+}
+
+/**
+ * @brief Starts an ADC conversion.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_start_conversion(ADCDriver *adcp) {
+ uint32_t mode;
+ const ADCConversionGroup *grpp = adcp->grpp;
+
+ /* DMA setup.*/
+ mode = adcp->dmamode;
+ if (grpp->circular) {
+ mode |= STM32_DMA_CR_CIRC;
+ if (adcp->depth > 1) {
+ /* If circular buffer depth > 1, then the half transfer interrupt
+ is enabled in order to allow streaming processing.*/
+ mode |= STM32_DMA_CR_HTIE;
+ }
+ }
+ dmaStreamSetMemory0(adcp->dmastp, adcp->samples);
+ dmaStreamSetTransactionSize(adcp->dmastp, (uint32_t)grpp->num_channels *
+ (uint32_t)adcp->depth);
+ dmaStreamSetMode(adcp->dmastp, mode);
+ dmaStreamEnable(adcp->dmastp);
+
+ /* ADC setup.*/
+ adcp->adc->SR = 0;
+ adcp->adc->SMPR1 = grpp->smpr1;
+ adcp->adc->SMPR2 = grpp->smpr2;
+ adcp->adc->SMPR3 = grpp->smpr3;
+ adcp->adc->SQR1 = grpp->sqr1;
+ adcp->adc->SQR2 = grpp->sqr2;
+ adcp->adc->SQR3 = grpp->sqr3;
+ adcp->adc->SQR4 = grpp->sqr4;
+ adcp->adc->SQR5 = grpp->sqr5;
+
+ /* ADC configuration and start, the start is performed using the method
+ specified in the CR2 configuration, usually ADC_CR2_SWSTART.*/
+ adcp->adc->CR1 = grpp->cr1 | ADC_CR1_OVRIE | ADC_CR1_SCAN;
+ if ((grpp->cr2 & ADC_CR2_SWSTART) != 0)
+ adcp->adc->CR2 = grpp->cr2 | ADC_CR2_CONT | ADC_CR2_DMA |
+ ADC_CR2_DDS | ADC_CR2_ADON;
+ else
+ adcp->adc->CR2 = grpp->cr2 | ADC_CR2_DMA |
+ ADC_CR2_DDS | ADC_CR2_ADON;
+}
+
+/**
+ * @brief Stops an ongoing conversion.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object
+ *
+ * @notapi
+ */
+void adc_lld_stop_conversion(ADCDriver *adcp) {
+
+ dmaStreamDisable(adcp->dmastp);
+ adcp->adc->CR1 = 0;
+ adcp->adc->CR2 = 0;
+ adcp->adc->CR2 = ADC_CR2_ADON;
+}
+
+/**
+ * @brief Enables the TSVREFE bit.
+ * @details The TSVREFE bit is required in order to sample the internal
+ * temperature sensor and internal reference voltage.
+ * @note This is an STM32-only functionality.
+ */
+void adcSTM32EnableTSVREFE(void) {
+
+ ADC->CCR |= ADC_CCR_TSVREFE;
+}
+
+/**
+ * @brief Disables the TSVREFE bit.
+ * @details The TSVREFE bit is required in order to sample the internal
+ * temperature sensor and internal reference voltage.
+ * @note This is an STM32-only functionality.
+ */
+void adcSTM32DisableTSVREFE(void) {
+
+ ADC->CCR &= ~ADC_CCR_TSVREFE;
+}
+
+#endif /* HAL_USE_ADC */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32L1xx/adc_lld.h b/os/hal/ports/STM32/STM32L1xx/adc_lld.h new file mode 100644 index 000000000..c7bb73612 --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/adc_lld.h @@ -0,0 +1,480 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32L1xx/adc_lld.h
+ * @brief STM32L1xx ADC subsystem low level driver header.
+ *
+ * @addtogroup ADC
+ * @{
+ */
+
+#ifndef _ADC_LLD_H_
+#define _ADC_LLD_H_
+
+#if HAL_USE_ADC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Triggers selection
+ * @{
+ */
+#define ADC_CR2_EXTSEL_SRC(n) ((n) << 24) /**< @brief Trigger source. */
+/** @} */
+
+/**
+ * @name ADC clock divider settings
+ * @{
+ */
+#define ADC_CCR_ADCPRE_DIV1 0
+#define ADC_CCR_ADCPRE_DIV2 1
+#define ADC_CCR_ADCPRE_DIV4 2
+/** @} */
+
+/**
+ * @name Available analog channels
+ * @{
+ */
+#define ADC_CHANNEL_IN0 0 /**< @brief External analog input 0. */
+#define ADC_CHANNEL_IN1 1 /**< @brief External analog input 1. */
+#define ADC_CHANNEL_IN2 2 /**< @brief External analog input 2. */
+#define ADC_CHANNEL_IN3 3 /**< @brief External analog input 3. */
+#define ADC_CHANNEL_IN4 4 /**< @brief External analog input 4. */
+#define ADC_CHANNEL_IN5 5 /**< @brief External analog input 5. */
+#define ADC_CHANNEL_IN6 6 /**< @brief External analog input 6. */
+#define ADC_CHANNEL_IN7 7 /**< @brief External analog input 7. */
+#define ADC_CHANNEL_IN8 8 /**< @brief External analog input 8. */
+#define ADC_CHANNEL_IN9 9 /**< @brief External analog input 9. */
+#define ADC_CHANNEL_IN10 10 /**< @brief External analog input 10. */
+#define ADC_CHANNEL_IN11 11 /**< @brief External analog input 11. */
+#define ADC_CHANNEL_IN12 12 /**< @brief External analog input 12. */
+#define ADC_CHANNEL_IN13 13 /**< @brief External analog input 13. */
+#define ADC_CHANNEL_IN14 14 /**< @brief External analog input 14. */
+#define ADC_CHANNEL_IN15 15 /**< @brief External analog input 15. */
+#define ADC_CHANNEL_SENSOR 16 /**< @brief Internal temperature sensor.*/
+#define ADC_CHANNEL_VREFINT 17 /**< @brief Internal reference. */
+#define ADC_CHANNEL_IN18 18 /**< @brief External analog input 18. */
+#define ADC_CHANNEL_IN19 19 /**< @brief External analog input 19. */
+#define ADC_CHANNEL_IN20 20 /**< @brief External analog input 20. */
+#define ADC_CHANNEL_IN21 21 /**< @brief External analog input 21. */
+#define ADC_CHANNEL_IN22 22 /**< @brief External analog input 22. */
+#define ADC_CHANNEL_IN23 23 /**< @brief External analog input 23. */
+#define ADC_CHANNEL_IN24 24 /**< @brief External analog input 24. */
+#define ADC_CHANNEL_IN25 25 /**< @brief External analog input 25. */
+/** @} */
+
+/**
+ * @name Sampling rates
+ * @{
+ */
+#define ADC_SAMPLE_4 0 /**< @brief 4 cycles sampling time. */
+#define ADC_SAMPLE_9 1 /**< @brief 9 cycles sampling time. */
+#define ADC_SAMPLE_16 2 /**< @brief 16 cycles sampling time. */
+#define ADC_SAMPLE_24 3 /**< @brief 24 cycles sampling time. */
+#define ADC_SAMPLE_48 4 /**< @brief 48 cycles sampling time. */
+#define ADC_SAMPLE_96 5 /**< @brief 96 cycles sampling time. */
+#define ADC_SAMPLE_192 6 /**< @brief 192 cycles sampling time. */
+#define ADC_SAMPLE_384 7 /**< @brief 384 cycles sampling time. */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief ADC1 driver enable switch.
+ * @details If set to @p TRUE the support for ADC1 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_ADC_USE_ADC1) || defined(__DOXYGEN__)
+#define STM32_ADC_USE_ADC1 FALSE
+#endif
+
+/**
+ * @brief ADC common clock divider.
+ * @note This setting is influenced by the VDDA voltage and other
+ * external conditions, please refer to the STM32L15x datasheet
+ * for more info.<br>
+ * See section 6.3.15 "12-bit ADC characteristics".
+ */
+#if !defined(STM32_ADC_ADCPRE) || defined(__DOXYGEN__)
+#define STM32_ADC_ADCPRE ADC_CCR_ADCPRE_DIV1
+#endif
+
+/**
+ * @brief ADC1 DMA priority (0..3|lowest..highest).
+ */
+#if !defined(STM32_ADC_ADC1_DMA_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC1_DMA_PRIORITY 2
+#endif
+
+/**
+ * @brief ADC interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_IRQ_PRIORITY 5
+#endif
+
+/**
+ * @brief ADC1 DMA interrupt priority level setting.
+ */
+#if !defined(STM32_ADC_ADC1_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 5
+#endif
+
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 && !STM32_HAS_ADC1
+#error "ADC1 not present in the selected device"
+#endif
+
+#if !STM32_ADC_USE_ADC1
+#error "ADC driver activated but no ADC peripheral assigned"
+#endif
+
+#if STM32_ADC_USE_ADC1 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to ADC1"
+#endif
+
+#if STM32_ADC_USE_ADC1 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC1_DMA_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to ADC1 DMA"
+#endif
+
+#if STM32_ADC_USE_ADC1 && \
+ !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC1_DMA_PRIORITY)
+#error "Invalid DMA priority assigned to ADC1"
+#endif
+
+#if !defined(STM32_DMA_REQUIRED)
+#define STM32_DMA_REQUIRED
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief ADC sample data type.
+ */
+typedef uint16_t adcsample_t;
+
+/**
+ * @brief Channels number in a conversion group.
+ */
+typedef uint16_t adc_channels_num_t;
+
+/**
+ * @brief Possible ADC failure causes.
+ * @note Error codes are architecture dependent and should not relied
+ * upon.
+ */
+typedef enum {
+ ADC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */
+ ADC_ERR_OVERFLOW = 1 /**< ADC overflow condition. */
+} adcerror_t;
+
+/**
+ * @brief Type of a structure representing an ADC driver.
+ */
+typedef struct ADCDriver ADCDriver;
+
+/**
+ * @brief ADC notification callback type.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object triggering the
+ * callback
+ * @param[in] buffer pointer to the most recent samples data
+ * @param[in] n number of buffer rows available starting from @p buffer
+ */
+typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n);
+
+/**
+ * @brief ADC error callback type.
+ *
+ * @param[in] adcp pointer to the @p ADCDriver object triggering the
+ * callback
+ * @param[in] err ADC error code
+ */
+typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err);
+
+/**
+ * @brief Conversion group configuration structure.
+ * @details This implementation-dependent structure describes a conversion
+ * operation.
+ * @note The use of this configuration structure requires knowledge of
+ * STM32 ADC cell registers interface, please refer to the STM32
+ * reference manual for details.
+ */
+typedef struct {
+ /**
+ * @brief Enables the circular buffer mode for the group.
+ */
+ bool circular;
+ /**
+ * @brief Number of the analog channels belonging to the conversion group.
+ */
+ adc_channels_num_t num_channels;
+ /**
+ * @brief Callback function associated to the group or @p NULL.
+ */
+ adccallback_t end_cb;
+ /**
+ * @brief Error callback or @p NULL.
+ */
+ adcerrorcallback_t error_cb;
+ /* End of the mandatory fields.*/
+ /**
+ * @brief ADC CR1 register initialization data.
+ * @note All the required bits must be defined into this field except
+ * @p ADC_CR1_SCAN that is enforced inside the driver.
+ */
+ uint32_t cr1;
+ /**
+ * @brief ADC CR2 register initialization data.
+ * @note All the required bits must be defined into this field except
+ * @p ADC_CR2_DMA, @p ADC_CR2_CONT and @p ADC_CR2_ADON that are
+ * enforced inside the driver.
+ */
+ uint32_t cr2;
+ /**
+ * @brief ADC SMPR1 register initialization data.
+ * @details In this field must be specified the sample times for channels
+ * 20...25.
+ */
+ uint32_t smpr1;
+ /**
+ * @brief ADC SMPR2 register initialization data.
+ * @details In this field must be specified the sample times for channels
+ * 10...19.
+ */
+ uint32_t smpr2;
+ /**
+ * @brief ADC SMPR3 register initialization data.
+ * @details In this field must be specified the sample times for channels
+ * 0...9.
+ */
+ uint32_t smpr3;
+ /**
+ * @brief ADC SQR1 register initialization data.
+ * @details Conversion group sequence 25...27 + sequence length.
+ */
+ uint32_t sqr1;
+ /**
+ * @brief ADC SQR2 register initialization data.
+ * @details Conversion group sequence 19...24.
+ */
+ uint32_t sqr2;
+ /**
+ * @brief ADC SQR3 register initialization data.
+ * @details Conversion group sequence 13...18.
+ */
+ uint32_t sqr3;
+ /**
+ * @brief ADC SQR3 register initialization data.
+ * @details Conversion group sequence 7...12.
+ */
+ uint32_t sqr4;
+ /**
+ * @brief ADC SQR3 register initialization data.
+ * @details Conversion group sequence 1...6.
+ */
+ uint32_t sqr5;
+} ADCConversionGroup;
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+typedef struct {
+ uint32_t dummy;
+} ADCConfig;
+
+/**
+ * @brief Structure representing an ADC driver.
+ */
+struct ADCDriver {
+ /**
+ * @brief Driver state.
+ */
+ adcstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const ADCConfig *config;
+ /**
+ * @brief Current samples buffer pointer or @p NULL.
+ */
+ adcsample_t *samples;
+ /**
+ * @brief Current samples buffer depth or @p 0.
+ */
+ size_t depth;
+ /**
+ * @brief Current conversion group pointer or @p NULL.
+ */
+ const ADCConversionGroup *grpp;
+#if ADC_USE_WAIT || defined(__DOXYGEN__)
+ /**
+ * @brief Waiting thread.
+ */
+ thread_reference_t thread;
+#endif
+#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
+ /**
+ * @brief Mutex protecting the peripheral.
+ */
+ mutex_t mutex;
+#endif /* ADC_USE_MUTUAL_EXCLUSION */
+#if defined(ADC_DRIVER_EXT_FIELDS)
+ ADC_DRIVER_EXT_FIELDS
+#endif
+ /* End of the mandatory fields.*/
+ /**
+ * @brief Pointer to the ADCx registers block.
+ */
+ ADC_TypeDef *adc;
+ /**
+ * @brief Pointer to associated DMA channel.
+ */
+ const stm32_dma_stream_t *dmastp;
+ /**
+ * @brief DMA mode bit mask.
+ */
+ uint32_t dmamode;
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Sequences building helper macros
+ * @{
+ */
+/**
+ * @brief Number of channels in a conversion sequence.
+ */
+#define ADC_SQR1_NUM_CH(n) (((n) - 1) << 20)
+
+#define ADC_SQR5_SQ1_N(n) ((n) << 0) /**< @brief 1st channel in seq. */
+#define ADC_SQR5_SQ2_N(n) ((n) << 5) /**< @brief 2nd channel in seq. */
+#define ADC_SQR5_SQ3_N(n) ((n) << 10) /**< @brief 3rd channel in seq. */
+#define ADC_SQR5_SQ4_N(n) ((n) << 15) /**< @brief 4th channel in seq. */
+#define ADC_SQR5_SQ5_N(n) ((n) << 20) /**< @brief 5th channel in seq. */
+#define ADC_SQR5_SQ6_N(n) ((n) << 25) /**< @brief 6th channel in seq. */
+
+#define ADC_SQR4_SQ7_N(n) ((n) << 0) /**< @brief 7th channel in seq. */
+#define ADC_SQR4_SQ8_N(n) ((n) << 5) /**< @brief 8th channel in seq. */
+#define ADC_SQR4_SQ9_N(n) ((n) << 10) /**< @brief 9th channel in seq. */
+#define ADC_SQR4_SQ10_N(n) ((n) << 15) /**< @brief 10th channel in seq.*/
+#define ADC_SQR4_SQ11_N(n) ((n) << 20) /**< @brief 11th channel in seq.*/
+#define ADC_SQR4_SQ12_N(n) ((n) << 25) /**< @brief 12th channel in seq.*/
+
+#define ADC_SQR3_SQ13_N(n) ((n) << 0) /**< @brief 13th channel in seq.*/
+#define ADC_SQR3_SQ14_N(n) ((n) << 5) /**< @brief 14th channel in seq.*/
+#define ADC_SQR3_SQ15_N(n) ((n) << 10) /**< @brief 15th channel in seq.*/
+#define ADC_SQR3_SQ16_N(n) ((n) << 15) /**< @brief 16th channel in seq.*/
+#define ADC_SQR3_SQ17_N(n) ((n) << 20) /**< @brief 17th channel in seq.*/
+#define ADC_SQR3_SQ18_N(n) ((n) << 25) /**< @brief 18th channel in seq.*/
+
+#define ADC_SQR2_SQ19_N(n) ((n) << 0) /**< @brief 19th channel in seq.*/
+#define ADC_SQR2_SQ20_N(n) ((n) << 5) /**< @brief 20th channel in seq.*/
+#define ADC_SQR2_SQ21_N(n) ((n) << 10) /**< @brief 21th channel in seq.*/
+#define ADC_SQR2_SQ22_N(n) ((n) << 15) /**< @brief 22th channel in seq.*/
+#define ADC_SQR2_SQ23_N(n) ((n) << 20) /**< @brief 23th channel in seq.*/
+#define ADC_SQR2_SQ24_N(n) ((n) << 25) /**< @brief 24th channel in seq.*/
+
+#define ADC_SQR1_SQ25_N(n) ((n) << 0) /**< @brief 25th channel in seq.*/
+#define ADC_SQR1_SQ26_N(n) ((n) << 5) /**< @brief 26th channel in seq.*/
+#define ADC_SQR1_SQ27_N(n) ((n) << 10) /**< @brief 27th channel in seq.*/
+/** @} */
+
+/**
+ * @name Sampling rate settings helper macros
+ * @{
+ */
+#define ADC_SMPR3_SMP_AN0(n) ((n) << 0) /**< @brief AN0 sampling time. */
+#define ADC_SMPR3_SMP_AN1(n) ((n) << 3) /**< @brief AN1 sampling time. */
+#define ADC_SMPR3_SMP_AN2(n) ((n) << 6) /**< @brief AN2 sampling time. */
+#define ADC_SMPR3_SMP_AN3(n) ((n) << 9) /**< @brief AN3 sampling time. */
+#define ADC_SMPR3_SMP_AN4(n) ((n) << 12) /**< @brief AN4 sampling time. */
+#define ADC_SMPR3_SMP_AN5(n) ((n) << 15) /**< @brief AN5 sampling time. */
+#define ADC_SMPR3_SMP_AN6(n) ((n) << 18) /**< @brief AN6 sampling time. */
+#define ADC_SMPR3_SMP_AN7(n) ((n) << 21) /**< @brief AN7 sampling time. */
+#define ADC_SMPR3_SMP_AN8(n) ((n) << 24) /**< @brief AN8 sampling time. */
+#define ADC_SMPR3_SMP_AN9(n) ((n) << 27) /**< @brief AN9 sampling time. */
+
+#define ADC_SMPR2_SMP_AN10(n) ((n) << 0) /**< @brief AN10 sampling time. */
+#define ADC_SMPR2_SMP_AN11(n) ((n) << 3) /**< @brief AN11 sampling time. */
+#define ADC_SMPR2_SMP_AN12(n) ((n) << 6) /**< @brief AN12 sampling time. */
+#define ADC_SMPR2_SMP_AN13(n) ((n) << 9) /**< @brief AN13 sampling time. */
+#define ADC_SMPR2_SMP_AN14(n) ((n) << 12) /**< @brief AN14 sampling time. */
+#define ADC_SMPR2_SMP_AN15(n) ((n) << 15) /**< @brief AN15 sampling time. */
+#define ADC_SMPR2_SMP_SENSOR(n) ((n) << 18) /**< @brief Temperature Sensor
+ sampling time. */
+#define ADC_SMPR2_SMP_VREF(n) ((n) << 21) /**< @brief Voltage Reference
+ sampling time. */
+#define ADC_SMPR2_SMP_AN18(n) ((n) << 24) /**< @brief AN18 sampling time. */
+#define ADC_SMPR2_SMP_AN19(n) ((n) << 27) /**< @brief AN19 sampling time. */
+
+#define ADC_SMPR1_SMP_AN20(n) ((n) << 0) /**< @brief AN20 sampling time. */
+#define ADC_SMPR1_SMP_AN21(n) ((n) << 3) /**< @brief AN21 sampling time. */
+#define ADC_SMPR1_SMP_AN22(n) ((n) << 6) /**< @brief AN22 sampling time. */
+#define ADC_SMPR1_SMP_AN23(n) ((n) << 9) /**< @brief AN23 sampling time. */
+#define ADC_SMPR1_SMP_AN24(n) ((n) << 12) /**< @brief AN24 sampling time. */
+#define ADC_SMPR1_SMP_AN25(n) ((n) << 15) /**< @brief AN25 sampling time. */
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if STM32_ADC_USE_ADC1 && !defined(__DOXYGEN__)
+extern ADCDriver ADCD1;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void adc_lld_init(void);
+ void adc_lld_start(ADCDriver *adcp);
+ void adc_lld_stop(ADCDriver *adcp);
+ void adc_lld_start_conversion(ADCDriver *adcp);
+ void adc_lld_stop_conversion(ADCDriver *adcp);
+ void adcSTM32EnableTSVREFE(void);
+ void adcSTM32DisableTSVREFE(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_ADC */
+
+#endif /* _ADC_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32L1xx/ext_lld_isr.c b/os/hal/ports/STM32/STM32L1xx/ext_lld_isr.c new file mode 100644 index 000000000..ebc556e6b --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/ext_lld_isr.c @@ -0,0 +1,325 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32L1xx/ext_lld_isr.c
+ * @brief STM32L1xx EXT subsystem low level driver ISR code.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+#include "ext_lld_isr.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/**
+ * @brief EXTI[0] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector58) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 0);
+ EXTD1.config->channels[0].cb(&EXTD1, 0);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[1] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector5C) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 1);
+ EXTD1.config->channels[1].cb(&EXTD1, 1);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[2] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector60) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 2);
+ EXTD1.config->channels[2].cb(&EXTD1, 2);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[3] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector64) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 3);
+ EXTD1.config->channels[3].cb(&EXTD1, 3);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[4] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector68) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 4);
+ EXTD1.config->channels[4].cb(&EXTD1, 4);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[5]...EXTI[9] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector9C) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9));
+ EXTI->PR = pr;
+ if (pr & (1 << 5))
+ EXTD1.config->channels[5].cb(&EXTD1, 5);
+ if (pr & (1 << 6))
+ EXTD1.config->channels[6].cb(&EXTD1, 6);
+ if (pr & (1 << 7))
+ EXTD1.config->channels[7].cb(&EXTD1, 7);
+ if (pr & (1 << 8))
+ EXTD1.config->channels[8].cb(&EXTD1, 8);
+ if (pr & (1 << 9))
+ EXTD1.config->channels[9].cb(&EXTD1, 9);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[10]...EXTI[15] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE0) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) | (1 << 14) |
+ (1 << 15));
+ EXTI->PR = pr;
+ if (pr & (1 << 10))
+ EXTD1.config->channels[10].cb(&EXTD1, 10);
+ if (pr & (1 << 11))
+ EXTD1.config->channels[11].cb(&EXTD1, 11);
+ if (pr & (1 << 12))
+ EXTD1.config->channels[12].cb(&EXTD1, 12);
+ if (pr & (1 << 13))
+ EXTD1.config->channels[13].cb(&EXTD1, 13);
+ if (pr & (1 << 14))
+ EXTD1.config->channels[14].cb(&EXTD1, 14);
+ if (pr & (1 << 15))
+ EXTD1.config->channels[15].cb(&EXTD1, 15);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[16] interrupt handler (PVD).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector44) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 16);
+ EXTD1.config->channels[16].cb(&EXTD1, 16);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[17] interrupt handler (RTC).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE4) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 17);
+ EXTD1.config->channels[17].cb(&EXTD1, 17);
+
+ OSAL_IRQ_EPILOGUE();
+}
+/**
+ * @brief EXTI[18] interrupt handler (USB_FS_WKUP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(VectorE8) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 18);
+ EXTD1.config->channels[18].cb(&EXTD1, 18);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[19] interrupt handler (TAMPER_STAMP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector48) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 19);
+ EXTD1.config->channels[19].cb(&EXTD1, 19);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[20] interrupt handler (RTC_WKUP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector4C) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 20);
+ EXTD1.config->channels[20].cb(&EXTD1, 20);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief EXTI[21]...EXTI[22] interrupt handler (COMP).
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector98) {
+ uint32_t pr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 21) | (1 << 22));
+ EXTI->PR = pr;
+ if (pr & (1 << 21))
+ EXTD1.config->channels[21].cb(&EXTD1, 21);
+ if (pr & (1 << 22))
+ EXTD1.config->channels[22].cb(&EXTD1, 22);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Enables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_enable(void) {
+
+ nvicEnableVector(EXTI0_IRQn, STM32_EXT_EXTI0_IRQ_PRIORITY);
+ nvicEnableVector(EXTI1_IRQn, STM32_EXT_EXTI1_IRQ_PRIORITY);
+ nvicEnableVector(EXTI2_IRQn, STM32_EXT_EXTI2_IRQ_PRIORITY);
+ nvicEnableVector(EXTI3_IRQn, STM32_EXT_EXTI3_IRQ_PRIORITY);
+ nvicEnableVector(EXTI4_IRQn, STM32_EXT_EXTI4_IRQ_PRIORITY);
+ nvicEnableVector(EXTI9_5_IRQn, STM32_EXT_EXTI5_9_IRQ_PRIORITY);
+ nvicEnableVector(EXTI15_10_IRQn, STM32_EXT_EXTI10_15_IRQ_PRIORITY);
+ nvicEnableVector(PVD_IRQn, STM32_EXT_EXTI16_IRQ_PRIORITY);
+ nvicEnableVector(RTC_Alarm_IRQn, STM32_EXT_EXTI17_IRQ_PRIORITY);
+ nvicEnableVector(USB_FS_WKUP_IRQn, STM32_EXT_EXTI18_IRQ_PRIORITY);
+ nvicEnableVector(TAMPER_STAMP_IRQn, STM32_EXT_EXTI19_IRQ_PRIORITY);
+ nvicEnableVector(RTC_WKUP_IRQn, STM32_EXT_EXTI20_IRQ_PRIORITY);
+ nvicEnableVector(COMP_IRQn, STM32_EXT_EXTI21_22_IRQ_PRIORITY);
+}
+
+/**
+ * @brief Disables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_disable(void) {
+
+ nvicDisableVector(EXTI0_IRQn);
+ nvicDisableVector(EXTI1_IRQn);
+ nvicDisableVector(EXTI2_IRQn);
+ nvicDisableVector(EXTI3_IRQn);
+ nvicDisableVector(EXTI4_IRQn);
+ nvicDisableVector(EXTI9_5_IRQn);
+ nvicDisableVector(EXTI15_10_IRQn);
+ nvicDisableVector(PVD_IRQn);
+ nvicDisableVector(RTC_Alarm_IRQn);
+ nvicDisableVector(USB_FS_WKUP_IRQn);
+ nvicDisableVector(TAMPER_STAMP_IRQn);
+ nvicDisableVector(RTC_WKUP_IRQn);
+ nvicDisableVector(COMP_IRQn);
+}
+
+#endif /* HAL_USE_EXT */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32L1xx/ext_lld_isr.h b/os/hal/ports/STM32/STM32L1xx/ext_lld_isr.h new file mode 100644 index 000000000..9ee4db42e --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/ext_lld_isr.h @@ -0,0 +1,163 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32L1xx/ext_lld_isr.h
+ * @brief STM32L1xx EXT subsystem low level driver ISR header.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#ifndef _EXT_LLD_ISR_H_
+#define _EXT_LLD_ISR_H_
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief EXTI0 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI0_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI0_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI1 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI1_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI1_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI2 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI2_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI2_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI3 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI3_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI3_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI4 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI4_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI4_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI9..5 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI5_9_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI5_9_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI15..10 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI10_15_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI10_15_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI16 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI16_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI16_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI17 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI17_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI17_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI18 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI18_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI19 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI19_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI20 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI20_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI21..22 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI21_22_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI21_22_IRQ_PRIORITY 6
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void ext_lld_exti_irq_enable(void);
+ void ext_lld_exti_irq_disable(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_EXT */
+
+#endif /* _EXT_LLD_ISR_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32L1xx/hal_lld.c b/os/hal/ports/STM32/STM32L1xx/hal_lld.c new file mode 100644 index 000000000..ece540b89 --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/hal_lld.c @@ -0,0 +1,223 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32L1xx/hal_lld.c
+ * @brief STM32L1xx HAL subsystem low level driver source.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+/* TODO: LSEBYP like in F3.*/
+
+#include "hal.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Initializes the backup domain.
+ */
+static void hal_lld_backup_domain_init(void) {
+
+ /* Backup domain access enabled and left open.*/
+ PWR->CR |= PWR_CR_DBP;
+
+ /* Reset BKP domain if different clock source selected.*/
+ if ((RCC->CSR & STM32_RTCSEL_MASK) != STM32_RTCSEL){
+ /* Backup domain reset.*/
+ RCC->CSR |= RCC_CSR_RTCRST;
+ RCC->CSR &= ~RCC_CSR_RTCRST;
+ }
+
+ /* If enabled then the LSE is started.*/
+#if STM32_LSE_ENABLED
+ RCC->CSR |= RCC_CSR_LSEON;
+ while ((RCC->CSR & RCC_CSR_LSERDY) == 0)
+ ; /* Waits until LSE is stable. */
+#endif
+
+#if STM32_RTCSEL != STM32_RTCSEL_NOCLOCK
+ /* If the backup domain hasn't been initialized yet then proceed with
+ initialization.*/
+ if ((RCC->CSR & RCC_CSR_RTCEN) == 0) {
+ /* Selects clock source.*/
+ RCC->CSR |= STM32_RTCSEL;
+
+ /* RTC clock enabled.*/
+ RCC->CSR |= RCC_CSR_RTCEN;
+ }
+#endif /* STM32_RTCSEL != STM32_RTCSEL_NOCLOCK */
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level HAL driver initialization.
+ *
+ * @notapi
+ */
+void hal_lld_init(void) {
+
+ /* Reset of all peripherals.*/
+ rccResetAHB(~RCC_AHBRSTR_FLITFRST);
+ rccResetAPB1(~RCC_APB1RSTR_PWRRST);
+ rccResetAPB2(~0);
+
+ /* PWR clock enabled.*/
+ rccEnablePWRInterface(FALSE);
+
+ /* Initializes the backup domain.*/
+ hal_lld_backup_domain_init();
+
+#if defined(STM32_DMA_REQUIRED)
+ dmaInit();
+#endif
+
+ /* Programmable voltage detector enable.*/
+#if STM32_PVD_ENABLE
+ PWR->CR |= PWR_CR_PVDE | (STM32_PLS & STM32_PLS_MASK);
+#endif /* STM32_PVD_ENABLE */
+}
+
+/**
+ * @brief STM32L1xx voltage, clocks and PLL initialization.
+ * @note All the involved constants come from the file @p board.h.
+ * @note This function should be invoked just after the system reset.
+ *
+ * @special
+ */
+#if defined(STM32L1XX_MD) || defined(__DOXYGEN__)
+/**
+ * @brief Clocks and internal voltage initialization.
+ */
+void stm32_clock_init(void) {
+
+#if !STM32_NO_INIT
+ /* PWR clock enable.*/
+ RCC->APB1ENR = RCC_APB1ENR_PWREN;
+
+ /* Core voltage setup.*/
+ while ((PWR->CSR & PWR_CSR_VOSF) != 0)
+ ; /* Waits until regulator is stable. */
+ PWR->CR = STM32_VOS;
+ while ((PWR->CSR & PWR_CSR_VOSF) != 0)
+ ; /* Waits until regulator is stable. */
+
+ /* Initial clocks setup and wait for MSI stabilization, the MSI clock is
+ always enabled because it is the fallback clock when PLL the fails.
+ Trim fields are not altered from reset values.*/
+ RCC->CFGR = 0;
+ RCC->ICSCR = (RCC->ICSCR & ~STM32_MSIRANGE_MASK) | STM32_MSIRANGE;
+ RCC->CR = RCC_CR_MSION;
+ while ((RCC->CR & RCC_CR_MSIRDY) == 0)
+ ; /* Waits until MSI is stable. */
+
+#if STM32_HSI_ENABLED
+ /* HSI activation.*/
+ RCC->CR |= RCC_CR_HSION;
+ while ((RCC->CR & RCC_CR_HSIRDY) == 0)
+ ; /* Waits until HSI is stable. */
+#endif
+
+#if STM32_HSE_ENABLED
+#if defined(STM32_HSE_BYPASS)
+ /* HSE Bypass.*/
+ RCC->CR |= RCC_CR_HSEBYP;
+#endif
+ /* HSE activation.*/
+ RCC->CR |= RCC_CR_HSEON;
+ while ((RCC->CR & RCC_CR_HSERDY) == 0)
+ ; /* Waits until HSE is stable. */
+#endif
+
+#if STM32_LSI_ENABLED
+ /* LSI activation.*/
+ RCC->CSR |= RCC_CSR_LSION;
+ while ((RCC->CSR & RCC_CSR_LSIRDY) == 0)
+ ; /* Waits until LSI is stable. */
+#endif
+
+#if STM32_LSE_ENABLED
+ /* LSE activation, have to unlock the register.*/
+ if ((RCC->CSR & RCC_CSR_LSEON) == 0) {
+ PWR->CR |= PWR_CR_DBP;
+ RCC->CSR |= RCC_CSR_LSEON;
+ PWR->CR &= ~PWR_CR_DBP;
+ }
+ while ((RCC->CSR & RCC_CSR_LSERDY) == 0)
+ ; /* Waits until LSE is stable. */
+#endif
+
+#if STM32_ACTIVATE_PLL
+ /* PLL activation.*/
+ RCC->CFGR |= STM32_PLLDIV | STM32_PLLMUL | STM32_PLLSRC;
+ RCC->CR |= RCC_CR_PLLON;
+ while (!(RCC->CR & RCC_CR_PLLRDY))
+ ; /* Waits until PLL is stable. */
+#endif
+
+ /* Other clock-related settings (dividers, MCO etc).*/
+ RCC->CR |= STM32_RTCPRE;
+ RCC->CFGR |= STM32_MCOPRE | STM32_MCOSEL |
+ STM32_PPRE2 | STM32_PPRE1 | STM32_HPRE;
+ RCC->CSR |= STM32_RTCSEL;
+
+ /* Flash setup and final clock selection.*/
+#if defined(STM32_FLASHBITS1)
+ FLASH->ACR = STM32_FLASHBITS1;
+#endif
+#if defined(STM32_FLASHBITS2)
+ FLASH->ACR = STM32_FLASHBITS2;
+#endif
+
+ /* Switching to the configured clock source if it is different from MSI.*/
+#if (STM32_SW != STM32_SW_MSI)
+ RCC->CFGR |= STM32_SW; /* Switches on the selected clock source. */
+ while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
+ ;
+#endif
+#endif /* STM32_NO_INIT */
+
+ /* SYSCFG clock enabled here because it is a multi-functional unit shared
+ among multiple drivers.*/
+ rccEnableAPB2(RCC_APB2ENR_SYSCFGEN, TRUE);
+}
+#else
+void stm32_clock_init(void) {}
+#endif
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32L1xx/hal_lld.h b/os/hal/ports/STM32/STM32L1xx/hal_lld.h new file mode 100644 index 000000000..ff1ec009f --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/hal_lld.h @@ -0,0 +1,829 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32L1xx/hal_lld.h
+ * @brief STM32L1xx HAL subsystem low level driver header.
+ * @pre This module requires the following macros to be defined in the
+ * @p board.h file:
+ * - STM32_LSECLK.
+ * - STM32_HSECLK.
+ * - STM32_HSE_BYPASS (optionally).
+ * .
+ * One of the following macros must also be defined:
+ * - STM32L1XX_MD for Ultra Low Power Medium-density devices.
+ * - STM32L1XX_MDP for Ultra Low Power Medium-density Plus devices.
+ * - STM32L1XX_HD for Ultra Low Power Medium-density devices.
+ * .
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _HAL_LLD_H_
+#define _HAL_LLD_H_
+
+#include "stm32_registry.h"
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name Platform identification
+ * @{
+ */
+#define PLATFORM_NAME "STM32L1xx Ultra Low Power Medium Density"
+/** @} */
+
+/**
+ * @name Internal clock sources
+ * @{
+ */
+#define STM32_HSICLK 16000000 /**< High speed internal clock. */
+#define STM32_LSICLK 38000 /**< Low speed internal clock. */
+/** @} */
+
+/**
+ * @name PWR_CR register bits definitions
+ * @{
+ */
+#define STM32_VOS_MASK (3 << 11) /**< Core voltage mask. */
+#define STM32_VOS_1P8 (1 << 11) /**< Core voltage 1.8 Volts. */
+#define STM32_VOS_1P5 (2 << 11) /**< Core voltage 1.5 Volts. */
+#define STM32_VOS_1P2 (3 << 11) /**< Core voltage 1.2 Volts. */
+
+#define STM32_PLS_MASK (7 << 5) /**< PLS bits mask. */
+#define STM32_PLS_LEV0 (0 << 5) /**< PVD level 0. */
+#define STM32_PLS_LEV1 (1 << 5) /**< PVD level 1. */
+#define STM32_PLS_LEV2 (2 << 5) /**< PVD level 2. */
+#define STM32_PLS_LEV3 (3 << 5) /**< PVD level 3. */
+#define STM32_PLS_LEV4 (4 << 5) /**< PVD level 4. */
+#define STM32_PLS_LEV5 (5 << 5) /**< PVD level 5. */
+#define STM32_PLS_LEV6 (6 << 5) /**< PVD level 6. */
+#define STM32_PLS_LEV7 (7 << 5) /**< PVD level 7. */
+/** @} */
+
+/**
+ * @name RCC_CR register bits definitions
+ * @{
+ */
+#define STM32_RTCPRE_MASK (3 << 29) /**< RTCPRE mask. */
+#define STM32_RTCPRE_DIV2 (0 << 29) /**< HSE divided by 2. */
+#define STM32_RTCPRE_DIV4 (1 << 29) /**< HSE divided by 4. */
+#define STM32_RTCPRE_DIV8 (2 << 29) /**< HSE divided by 2. */
+#define STM32_RTCPRE_DIV16 (3 << 29) /**< HSE divided by 16. */
+/** @} */
+
+/**
+ * @name RCC_CFGR register bits definitions
+ * @{
+ */
+#define STM32_SW_MSI (0 << 0) /**< SYSCLK source is MSI. */
+#define STM32_SW_HSI (1 << 0) /**< SYSCLK source is HSI. */
+#define STM32_SW_HSE (2 << 0) /**< SYSCLK source is HSE. */
+#define STM32_SW_PLL (3 << 0) /**< SYSCLK source is PLL. */
+
+#define STM32_HPRE_DIV1 (0 << 4) /**< SYSCLK divided by 1. */
+#define STM32_HPRE_DIV2 (8 << 4) /**< SYSCLK divided by 2. */
+#define STM32_HPRE_DIV4 (9 << 4) /**< SYSCLK divided by 4. */
+#define STM32_HPRE_DIV8 (10 << 4) /**< SYSCLK divided by 8. */
+#define STM32_HPRE_DIV16 (11 << 4) /**< SYSCLK divided by 16. */
+#define STM32_HPRE_DIV64 (12 << 4) /**< SYSCLK divided by 64. */
+#define STM32_HPRE_DIV128 (13 << 4) /**< SYSCLK divided by 128. */
+#define STM32_HPRE_DIV256 (14 << 4) /**< SYSCLK divided by 256. */
+#define STM32_HPRE_DIV512 (15 << 4) /**< SYSCLK divided by 512. */
+
+#define STM32_PPRE1_DIV1 (0 << 8) /**< HCLK divided by 1. */
+#define STM32_PPRE1_DIV2 (4 << 8) /**< HCLK divided by 2. */
+#define STM32_PPRE1_DIV4 (5 << 8) /**< HCLK divided by 4. */
+#define STM32_PPRE1_DIV8 (6 << 8) /**< HCLK divided by 8. */
+#define STM32_PPRE1_DIV16 (7 << 8) /**< HCLK divided by 16. */
+
+#define STM32_PPRE2_DIV1 (0 << 11) /**< HCLK divided by 1. */
+#define STM32_PPRE2_DIV2 (4 << 11) /**< HCLK divided by 2. */
+#define STM32_PPRE2_DIV4 (5 << 11) /**< HCLK divided by 4. */
+#define STM32_PPRE2_DIV8 (6 << 11) /**< HCLK divided by 8. */
+#define STM32_PPRE2_DIV16 (7 << 11) /**< HCLK divided by 16. */
+
+#define STM32_PLLSRC_HSI (0 << 16) /**< PLL clock source is HSI. */
+#define STM32_PLLSRC_HSE (1 << 16) /**< PLL clock source is HSE. */
+
+#define STM32_MCOSEL_NOCLOCK (0 << 24) /**< No clock on MCO pin. */
+#define STM32_MCOSEL_SYSCLK (1 << 24) /**< SYSCLK on MCO pin. */
+#define STM32_MCOSEL_HSI (2 << 24) /**< HSI clock on MCO pin. */
+#define STM32_MCOSEL_MSI (3 << 24) /**< MSI clock on MCO pin. */
+#define STM32_MCOSEL_HSE (4 << 24) /**< HSE clock on MCO pin. */
+#define STM32_MCOSEL_PLL (5 << 24) /**< PLL clock on MCO pin. */
+#define STM32_MCOSEL_LSI (6 << 24) /**< LSI clock on MCO pin. */
+#define STM32_MCOSEL_LSE (7 << 24) /**< LSE clock on MCO pin. */
+
+#define STM32_MCOPRE_DIV1 (0 << 28) /**< MCO divided by 1. */
+#define STM32_MCOPRE_DIV2 (1 << 28) /**< MCO divided by 1. */
+#define STM32_MCOPRE_DIV4 (2 << 28) /**< MCO divided by 1. */
+#define STM32_MCOPRE_DIV8 (3 << 28) /**< MCO divided by 1. */
+#define STM32_MCOPRE_DIV16 (4 << 28) /**< MCO divided by 1. */
+/** @} */
+
+/**
+ * @name RCC_ICSCR register bits definitions
+ * @{
+ */
+#define STM32_MSIRANGE_MASK (7 << 13) /**< MSIRANGE field mask. */
+#define STM32_MSIRANGE_64K (0 << 13) /**< 64kHz nominal. */
+#define STM32_MSIRANGE_128K (1 << 13) /**< 128kHz nominal. */
+#define STM32_MSIRANGE_256K (2 << 13) /**< 256kHz nominal. */
+#define STM32_MSIRANGE_512K (3 << 13) /**< 512kHz nominal. */
+#define STM32_MSIRANGE_1M (4 << 13) /**< 1MHz nominal. */
+#define STM32_MSIRANGE_2M (5 << 13) /**< 2MHz nominal. */
+#define STM32_MSIRANGE_4M (6 << 13) /**< 4MHz nominal */
+/** @} */
+
+/**
+ * @name RCC_CSR register bits definitions
+ * @{
+ */
+#define STM32_RTCSEL_MASK (3 << 16) /**< RTC source mask. */
+#define STM32_RTCSEL_NOCLOCK (0 << 16) /**< No RTC source. */
+#define STM32_RTCSEL_LSE (1 << 16) /**< RTC source is LSE. */
+#define STM32_RTCSEL_LSI (2 << 16) /**< RTC source is LSI. */
+#define STM32_RTCSEL_HSEDIV (3 << 16) /**< RTC source is HSE divided. */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief Disables the PWR/RCC initialization in the HAL.
+ */
+#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__)
+#define STM32_NO_INIT FALSE
+#endif
+
+/**
+ * @brief Core voltage selection.
+ * @note This setting affects all the performance and clock related
+ * settings, the maximum performance is only obtainable selecting
+ * the maximum voltage.
+ */
+#if !defined(STM32_VOS) || defined(__DOXYGEN__)
+#define STM32_VOS STM32_VOS_1P8
+#endif
+
+/**
+ * @brief Enables or disables the programmable voltage detector.
+ */
+#if !defined(STM32_PVD_ENABLE) || defined(__DOXYGEN__)
+#define STM32_PVD_ENABLE FALSE
+#endif
+
+/**
+ * @brief Sets voltage level for programmable voltage detector.
+ */
+#if !defined(STM32_PLS) || defined(__DOXYGEN__)
+#define STM32_PLS STM32_PLS_LEV0
+#endif
+
+/**
+ * @brief Enables or disables the HSI clock source.
+ */
+#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__)
+#define STM32_HSI_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the LSI clock source.
+ */
+#if !defined(STM32_LSI_ENABLED) || defined(__DOXYGEN__)
+#define STM32_LSI_ENABLED TRUE
+#endif
+
+/**
+ * @brief Enables or disables the HSE clock source.
+ */
+#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__)
+#define STM32_HSE_ENABLED FALSE
+#endif
+
+/**
+ * @brief Enables or disables the LSE clock source.
+ */
+#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__)
+#define STM32_LSE_ENABLED FALSE
+#endif
+
+/**
+ * @brief ADC clock setting.
+ */
+#if !defined(STM32_ADC_CLOCK_ENABLED) || defined(__DOXYGEN__)
+#define STM32_ADC_CLOCK_ENABLED TRUE
+#endif
+
+/**
+ * @brief USB clock setting.
+ */
+#if !defined(STM32_USB_CLOCK_ENABLED) || defined(__DOXYGEN__)
+#define STM32_USB_CLOCK_ENABLED TRUE
+#endif
+
+/**
+ * @brief MSI frequency setting.
+ */
+#if !defined(STM32_MSIRANGE) || defined(__DOXYGEN__)
+#define STM32_MSIRANGE STM32_MSIRANGE_2M
+#endif
+
+/**
+ * @brief Main clock source selection.
+ * @note If the selected clock source is not the PLL then the PLL is not
+ * initialized and started.
+ * @note The default value is calculated for a 32MHz system clock from
+ * the internal 16MHz HSI clock.
+ */
+#if !defined(STM32_SW) || defined(__DOXYGEN__)
+#define STM32_SW STM32_SW_PLL
+#endif
+
+/**
+ * @brief Clock source for the PLL.
+ * @note This setting has only effect if the PLL is selected as the
+ * system clock source.
+ * @note The default value is calculated for a 32MHz system clock from
+ * the internal 16MHz HSI clock.
+ */
+#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__)
+#define STM32_PLLSRC STM32_PLLSRC_HSI
+#endif
+
+/**
+ * @brief PLL multiplier value.
+ * @note The allowed values are 3, 4, 6, 8, 12, 16, 32, 48.
+ * @note The default value is calculated for a 32MHz system clock from
+ * the internal 16MHz HSI clock.
+ */
+#if !defined(STM32_PLLMUL_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLMUL_VALUE 6
+#endif
+
+/**
+ * @brief PLL divider value.
+ * @note The allowed values are 2, 3, 4.
+ * @note The default value is calculated for a 32MHz system clock from
+ * the internal 16MHz HSI clock.
+ */
+#if !defined(STM32_PLLDIV_VALUE) || defined(__DOXYGEN__)
+#define STM32_PLLDIV_VALUE 3
+#endif
+
+/**
+ * @brief AHB prescaler value.
+ * @note The default value is calculated for a 32MHz system clock from
+ * the internal 16MHz HSI clock.
+ */
+#if !defined(STM32_HPRE) || defined(__DOXYGEN__)
+#define STM32_HPRE STM32_HPRE_DIV1
+#endif
+
+/**
+ * @brief APB1 prescaler value.
+ */
+#if !defined(STM32_PPRE1) || defined(__DOXYGEN__)
+#define STM32_PPRE1 STM32_PPRE1_DIV1
+#endif
+
+/**
+ * @brief APB2 prescaler value.
+ */
+#if !defined(STM32_PPRE2) || defined(__DOXYGEN__)
+#define STM32_PPRE2 STM32_PPRE2_DIV1
+#endif
+
+/**
+ * @brief MCO clock source.
+ */
+#if !defined(STM32_MCOSEL) || defined(__DOXYGEN__)
+#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK
+#endif
+
+/**
+ * @brief MCO divider setting.
+ */
+#if !defined(STM32_MCOPRE) || defined(__DOXYGEN__)
+#define STM32_MCOPRE STM32_MCOPRE_DIV1
+#endif
+
+/**
+ * @brief RTC/LCD clock source.
+ */
+#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
+#define STM32_RTCSEL STM32_RTCSEL_LSE
+#endif
+
+/**
+ * @brief HSE divider toward RTC setting.
+ */
+#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__)
+#define STM32_RTCPRE STM32_RTCPRE_DIV2
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*
+ * Configuration-related checks.
+ */
+#if !defined(STM32L1xx_MCUCONF)
+#error "Using a wrong mcuconf.h file, STM32L1xx_MCUCONF not defined"
+#endif
+
+/*
+ * MCU variant check.
+ */
+#if defined(STM32L1XX_MDP) || defined(STM32L1XX_HD)
+#error "unsupported STM32L1XX variant"
+#endif
+
+/* Voltage related limits.*/
+#if (STM32_VOS == STM32_VOS_1P8) || defined(__DOXYGEN__)
+/**
+ * @brief Maximum HSE clock frequency at current voltage setting.
+ */
+#define STM32_HSECLK_MAX 32000000
+
+/**
+ * @brief Maximum SYSCLK clock frequency at current voltage setting.
+ */
+#define STM32_SYSCLK_MAX 32000000
+
+/**
+ * @brief Maximum VCO clock frequency at current voltage setting.
+ */
+#define STM32_PLLVCO_MAX 96000000
+
+/**
+ * @brief Minimum VCO clock frequency at current voltage setting.
+ */
+#define STM32_PLLVCO_MIN 6000000
+
+/**
+ * @brief Maximum APB1 clock frequency.
+ */
+#define STM32_PCLK1_MAX 32000000
+
+/**
+ * @brief Maximum APB2 clock frequency.
+ */
+#define STM32_PCLK2_MAX 32000000
+
+/**
+ * @brief Maximum frequency not requiring a wait state for flash accesses.
+ */
+#define STM32_0WS_THRESHOLD 16000000
+
+/**
+ * @brief HSI availability at current voltage settings.
+ */
+#define STM32_HSI_AVAILABLE TRUE
+
+#elif STM32_VOS == STM32_VOS_1P5
+#define STM32_HSECLK_MAX 16000000
+#define STM32_SYSCLK_MAX 16000000
+#define STM32_PLLVCO_MAX 48000000
+#define STM32_PLLVCO_MIN 6000000
+#define STM32_PCLK1_MAX 16000000
+#define STM32_PCLK2_MAX 16000000
+#define STM32_0WS_THRESHOLD 8000000
+#define STM32_HSI_AVAILABLE TRUE
+#elif STM32_VOS == STM32_VOS_1P2
+#define STM32_HSECLK_MAX 4000000
+#define STM32_SYSCLK_MAX 4000000
+#define STM32_PLLVCO_MAX 24000000
+#define STM32_PLLVCO_MIN 6000000
+#define STM32_PCLK1_MAX 4000000
+#define STM32_PCLK2_MAX 4000000
+#define STM32_0WS_THRESHOLD 2000000
+#define STM32_HSI_AVAILABLE FALSE
+#else
+#error "invalid STM32_VOS value specified"
+#endif
+
+/* HSI related checks.*/
+#if STM32_HSI_ENABLED
+#if !STM32_HSI_AVAILABLE
+ #error "impossible to activate HSI under the current voltage settings"
+#endif
+#else /* !STM32_HSI_ENABLED */
+#if STM32_ADC_CLOCK_ENABLED || \
+ (STM32_SW == STM32_SW_HSI) || \
+ ((STM32_SW == STM32_SW_PLL) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSI)) || \
+ (STM32_MCOSEL == STM32_MCOSEL_HSI) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLL) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSI))
+#error "required HSI clock is not enabled"
+#endif
+#endif /* !STM32_HSI_ENABLED */
+
+/* HSE related checks.*/
+#if STM32_HSE_ENABLED
+#if STM32_HSECLK == 0
+#error "impossible to activate HSE"
+#endif
+#if (STM32_HSECLK < 1000000) || (STM32_HSECLK > STM32_HSECLK_MAX)
+#error "STM32_HSECLK outside acceptable range (1MHz...STM32_HSECLK_MAX)"
+#endif
+#else /* !STM32_HSE_ENABLED */
+#if (STM32_SW == STM32_SW_HSE) || \
+ ((STM32_SW == STM32_SW_PLL) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSE)) || \
+ (STM32_MCOSEL == STM32_MCOSEL_HSE) || \
+ ((STM32_MCOSEL == STM32_MCOSEL_PLL) && \
+ (STM32_PLLSRC == STM32_PLLSRC_HSE)) || \
+ (STM_RTC_SOURCE == STM32_RTCSEL_HSEDIV)
+#error "required HSE clock is not enabled"
+#endif
+#endif /* !STM32_HSE_ENABLED */
+
+/* LSI related checks.*/
+#if STM32_LSI_ENABLED
+#else /* !STM32_LSI_ENABLED */
+#if STM_RTCCLK == STM32_LSICLK
+#error "required LSI clock is not enabled"
+#endif
+#endif /* !STM32_LSI_ENABLED */
+
+/* LSE related checks.*/
+#if STM32_LSE_ENABLED
+#if (STM32_LSECLK == 0)
+#error "impossible to activate LSE"
+#endif
+#if (STM32_LSECLK < 1000) || (STM32_LSECLK > 1000000)
+#error "STM32_LSECLK outside acceptable range (1...1000kHz)"
+#endif
+#else /* !STM32_LSE_ENABLED */
+#if STM_RTCCLK == STM32_LSECLK
+#error "required LSE clock is not enabled"
+#endif
+#endif /* !STM32_LSE_ENABLED */
+
+/* PLL related checks.*/
+#if STM32_USB_CLOCK_ENABLED || \
+ (STM32_SW == STM32_SW_PLL) || \
+ (STM32_MCOSEL == STM32_MCOSEL_PLL) || \
+ defined(__DOXYGEN__)
+/**
+ * @brief PLL activation flag.
+ */
+#define STM32_ACTIVATE_PLL TRUE
+#else
+#define STM32_ACTIVATE_PLL FALSE
+#endif
+
+/**
+ * @brief PLLMUL field.
+ */
+#if (STM32_PLLMUL_VALUE == 3) || defined(__DOXYGEN__)
+#define STM32_PLLMUL (0 << 18)
+#elif STM32_PLLMUL_VALUE == 4
+#define STM32_PLLMUL (1 << 18)
+#elif STM32_PLLMUL_VALUE == 6
+#define STM32_PLLMUL (2 << 18)
+#elif STM32_PLLMUL_VALUE == 8
+#define STM32_PLLMUL (3 << 18)
+#elif STM32_PLLMUL_VALUE == 12
+#define STM32_PLLMUL (4 << 18)
+#elif STM32_PLLMUL_VALUE == 16
+#define STM32_PLLMUL (5 << 18)
+#elif STM32_PLLMUL_VALUE == 24
+#define STM32_PLLMUL (6 << 18)
+#elif STM32_PLLMUL_VALUE == 32
+#define STM32_PLLMUL (7 << 18)
+#elif STM32_PLLMUL_VALUE == 48
+#define STM32_PLLMUL (8 << 18)
+#else
+#error "invalid STM32_PLLMUL_VALUE value specified"
+#endif
+
+/**
+ * @brief PLLDIV field.
+ */
+#if (STM32_PLLDIV_VALUE == 2) || defined(__DOXYGEN__)
+#define STM32_PLLDIV (1 << 22)
+#elif STM32_PLLDIV_VALUE == 3
+#define STM32_PLLDIV (2 << 22)
+#elif STM32_PLLDIV_VALUE == 4
+#define STM32_PLLDIV (3 << 22)
+#else
+#error "invalid STM32_PLLDIV_VALUE value specified"
+#endif
+
+/**
+ * @brief PLL input clock frequency.
+ */
+#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__)
+#define STM32_PLLCLKIN STM32_HSECLK
+#elif STM32_PLLSRC == STM32_PLLSRC_HSI
+#define STM32_PLLCLKIN STM32_HSICLK
+#else
+#error "invalid STM32_PLLSRC value specified"
+#endif
+
+/* PLL input frequency range check.*/
+#if (STM32_PLLCLKIN < 2000000) || (STM32_PLLCLKIN > 24000000)
+#error "STM32_PLLCLKIN outside acceptable range (2...24MHz)"
+#endif
+
+/**
+ * @brief PLL VCO frequency.
+ */
+#define STM32_PLLVCO (STM32_PLLCLKIN * STM32_PLLMUL_VALUE)
+
+/* PLL output frequency range check.*/
+#if (STM32_PLLVCO < STM32_PLLVCO_MIN) || (STM32_PLLVCO > STM32_PLLVCO_MAX)
+#error "STM32_PLLVCO outside acceptable range (STM32_PLLVCO_MIN...STM32_PLLVCO_MAX)"
+#endif
+
+/**
+ * @brief PLL output clock frequency.
+ */
+#define STM32_PLLCLKOUT (STM32_PLLVCO / STM32_PLLDIV_VALUE)
+
+/* PLL output frequency range check.*/
+#if (STM32_PLLCLKOUT < 2000000) || (STM32_PLLCLKOUT > 32000000)
+#error "STM32_PLLCLKOUT outside acceptable range (2...32MHz)"
+#endif
+
+/**
+ * @brief MSI frequency.
+ * @note Values are taken from the STM8Lxx datasheet.
+ */
+#if STM32_MSIRANGE == STM32_MSIRANGE_64K
+#define STM32_MSICLK 65500
+#elif STM32_MSIRANGE == STM32_MSIRANGE_128K
+#define STM32_MSICLK 131000
+#elif STM32_MSIRANGE == STM32_MSIRANGE_256K
+#define STM32_MSICLK 262000
+#elif STM32_MSIRANGE == STM32_MSIRANGE_512K
+#define STM32_MSICLK 524000
+#elif STM32_MSIRANGE == STM32_MSIRANGE_1M
+#define STM32_MSICLK 1050000
+#elif STM32_MSIRANGE == STM32_MSIRANGE_2M
+#define STM32_MSICLK 2100000
+#elif STM32_MSIRANGE == STM32_MSIRANGE_4M
+#define STM32_MSICLK 4200000
+#else
+#error "invalid STM32_MSIRANGE value specified"
+#endif
+
+/**
+ * @brief System clock source.
+ */
+#if STM32_NO_INIT || defined(__DOXYGEN__)
+#define STM32_SYSCLK 2100000
+#elif (STM32_SW == STM32_SW_MSI)
+#define STM32_SYSCLK STM32_MSICLK
+#elif (STM32_SW == STM32_SW_HSI)
+#define STM32_SYSCLK STM32_HSICLK
+#elif (STM32_SW == STM32_SW_HSE)
+#define STM32_SYSCLK STM32_HSECLK
+#elif (STM32_SW == STM32_SW_PLL)
+#define STM32_SYSCLK STM32_PLLCLKOUT
+#else
+#error "invalid STM32_SW value specified"
+#endif
+
+/* Check on the system clock.*/
+#if STM32_SYSCLK > STM32_SYSCLK_MAX
+#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief AHB frequency.
+ */
+#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__)
+#define STM32_HCLK (STM32_SYSCLK / 1)
+#elif STM32_HPRE == STM32_HPRE_DIV2
+#define STM32_HCLK (STM32_SYSCLK / 2)
+#elif STM32_HPRE == STM32_HPRE_DIV4
+#define STM32_HCLK (STM32_SYSCLK / 4)
+#elif STM32_HPRE == STM32_HPRE_DIV8
+#define STM32_HCLK (STM32_SYSCLK / 8)
+#elif STM32_HPRE == STM32_HPRE_DIV16
+#define STM32_HCLK (STM32_SYSCLK / 16)
+#elif STM32_HPRE == STM32_HPRE_DIV64
+#define STM32_HCLK (STM32_SYSCLK / 64)
+#elif STM32_HPRE == STM32_HPRE_DIV128
+#define STM32_HCLK (STM32_SYSCLK / 128)
+#elif STM32_HPRE == STM32_HPRE_DIV256
+#define STM32_HCLK (STM32_SYSCLK / 256)
+#elif STM32_HPRE == STM32_HPRE_DIV512
+#define STM32_HCLK (STM32_SYSCLK / 512)
+#else
+#error "invalid STM32_HPRE value specified"
+#endif
+
+/* AHB frequency check.*/
+#if STM32_HCLK > STM32_SYSCLK_MAX
+#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)"
+#endif
+
+/**
+ * @brief APB1 frequency.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK1 (STM32_HCLK / 1)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV2
+#define STM32_PCLK1 (STM32_HCLK / 2)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV4
+#define STM32_PCLK1 (STM32_HCLK / 4)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV8
+#define STM32_PCLK1 (STM32_HCLK / 8)
+#elif STM32_PPRE1 == STM32_PPRE1_DIV16
+#define STM32_PCLK1 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE1 value specified"
+#endif
+
+/* APB1 frequency check.*/
+#if STM32_PCLK1 > STM32_PCLK1_MAX
+#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)"
+#endif
+
+/**
+ * @brief APB2 frequency.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_PCLK2 (STM32_HCLK / 1)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV2
+#define STM32_PCLK2 (STM32_HCLK / 2)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV4
+#define STM32_PCLK2 (STM32_HCLK / 4)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV8
+#define STM32_PCLK2 (STM32_HCLK / 8)
+#elif STM32_PPRE2 == STM32_PPRE2_DIV16
+#define STM32_PCLK2 (STM32_HCLK / 16)
+#else
+#error "invalid STM32_PPRE2 value specified"
+#endif
+
+/* APB2 frequency check.*/
+#if STM32_PCLK2 > STM32_PCLK2_MAX
+#error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)"
+#endif
+
+/**
+ * @brief MCO divider clock.
+ */
+#if (STM32_MCOSEL == STM32_MCOSEL_NOCLOCK) || defined(__DOXYGEN__)
+#define STM_MCODIVCLK 0
+#elif STM32_MCOSEL == STM32_MCOSEL_HSI
+#define STM_MCODIVCLK STM32_HSICLK
+#elif STM32_MCOSEL == STM32_MCOSEL_MSI
+#define STM_MCODIVCLK STM32_MSICLK
+#elif STM32_MCOSEL == STM32_MCOSEL_HSE
+#define STM_MCODIVCLK STM32_HSECLK
+#elif STM32_MCOSEL == STM32_MCOSEL_PLL
+#define STM_MCODIVCLK STM32_PLLCLKOUT
+#elif STM32_MCOSEL == STM32_MCOSEL_LSI
+#define STM_MCODIVCLK STM32_LSICLK
+#elif STM32_MCOSEL == STM32_MCOSEL_LSE
+#define STM_MCODIVCLK STM32_LSECLK
+#else
+#error "invalid STM32_MCOSEL value specified"
+#endif
+
+/**
+ * @brief MCO output pin clock.
+ */
+#if (STM32_MCOPRE == STM32_MCOPRE_DIV1) || defined(__DOXYGEN__)
+#define STM_MCOCLK STM_MCODIVCLK
+#elif STM32_MCOPRE == STM32_MCOPRE_DIV2
+#define STM_MCOCLK (STM_MCODIVCLK / 2)
+#elif STM32_MCOPRE == STM32_MCOPRE_DIV4
+#define STM_MCOCLK (STM_MCODIVCLK / 4)
+#elif STM32_MCOPRE == STM32_MCOPRE_DIV8
+#define STM_MCOCLK (STM_MCODIVCLK / 8)
+#elif STM32_MCOPRE == STM32_MCOPRE_DIV16
+#define STM_MCOCLK (STM_MCODIVCLK / 16)
+#else
+#error "invalid STM32_MCOPRE value specified"
+#endif
+
+/**
+ * @brief HSE divider toward RTC clock.
+ */
+#if (STM32_RTCPRE == STM32_RTCPRE_DIV2) || defined(__DOXYGEN__)
+#define STM32_HSEDIVCLK (STM32_HSECLK / 2)
+#elif (STM32_RTCPRE == STM32_RTCPRE_DIV4) || defined(__DOXYGEN__)
+#define STM32_HSEDIVCLK (STM32_HSECLK / 4)
+#elif (STM32_RTCPRE == STM32_RTCPRE_DIV8) || defined(__DOXYGEN__)
+#define STM32_HSEDIVCLK (STM32_HSECLK / 8)
+#elif (STM32_RTCPRE == STM32_RTCPRE_DIV16) || defined(__DOXYGEN__)
+#define STM32_HSEDIVCLK (STM32_HSECLK / 16)
+#else
+#error "invalid STM32_RTCPRE value specified"
+#endif
+
+/**
+ * @brief RTC/LCD clock.
+ */
+#if (STM32_RTCSEL == STM32_RTCSEL_NOCLOCK) || defined(__DOXYGEN__)
+#define STM32_RTCCLK 0
+#elif STM32_RTCSEL == STM32_RTCSEL_LSE
+#define STM32_RTCCLK STM32_LSECLK
+#elif STM32_RTCSEL == STM32_RTCSEL_LSI
+#define STM32_RTCCLK STM32_LSICLK
+#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV
+#define STM32_RTCCLK STM32_HSEDIVCLK
+#else
+#error "invalid STM32_RTCSEL value specified"
+#endif
+
+/**
+ * @brief ADC frequency.
+ */
+#define STM32_ADCCLK STM32_HSICLK
+
+/**
+ * @brief USB frequency.
+ */
+#define STM32_USBCLK (STM32_PLLVCO / 2)
+
+/**
+ * @brief Timers 2, 3, 4, 6, 7 clock.
+ */
+#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK1 (STM32_PCLK1 * 1)
+#else
+#define STM32_TIMCLK1 (STM32_PCLK1 * 2)
+#endif
+
+/**
+ * @brief Timers 9, 10, 11 clock.
+ */
+#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__)
+#define STM32_TIMCLK2 (STM32_PCLK2 * 1)
+#else
+#define STM32_TIMCLK2 (STM32_PCLK2 * 2)
+#endif
+
+/**
+ * @brief Flash settings.
+ */
+#if (STM32_HCLK <= STM32_0WS_THRESHOLD) || defined(__DOXYGEN__)
+#define STM32_FLASHBITS1 0x00000000
+#else
+#define STM32_FLASHBITS1 0x00000004
+#define STM32_FLASHBITS2 0x00000007
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/* Various helpers.*/
+#include "nvic.h"
+#include "stm32_isr.h"
+#include "stm32_dma.h"
+#include "stm32_rcc.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void hal_lld_init(void);
+ void stm32_clock_init(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _HAL_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32L1xx/platform.dox b/os/hal/ports/STM32/STM32L1xx/platform.dox new file mode 100644 index 000000000..879b164c9 --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/platform.dox @@ -0,0 +1,315 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @defgroup STM32L1xx_DRIVERS STM32L1xx Drivers
+ * @details This section describes all the supported drivers on the STM32L1xx
+ * platform and the implementation details of the single drivers.
+ *
+ * @ingroup platforms
+ */
+
+/**
+ * @defgroup STM32L1xx_HAL STM32L1xx Initialization Support
+ * @details The STM32L1xx HAL support is responsible for system initialization.
+ *
+ * @section stm32l1xx_hal_1 Supported HW resources
+ * - PLL1.
+ * - RCC.
+ * - Flash.
+ * .
+ * @section stm32l1xx_hal_2 STM32L1xx HAL driver implementation features
+ * - PLL startup and stabilization.
+ * - Clock tree initialization.
+ * - Clock source selection.
+ * - Flash wait states initialization based on the selected clock options.
+ * - SYSTICK initialization based on current clock and kernel required rate.
+ * - DMA support initialization.
+ * .
+ * @ingroup STM32L1xx_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_ADC STM32L1xx ADC Support
+ * @details The STM32L1xx ADC driver supports the ADC peripherals using DMA
+ * channels for maximum performance.
+ *
+ * @section stm32l1xx_adc_1 Supported HW resources
+ * - ADC1.
+ * - DMA1.
+ * .
+ * @section stm32l1xx_adc_2 STM32L1xx ADC driver implementation features
+ * - Clock stop for reduced power usage when the driver is in stop state.
+ * - Streaming conversion using DMA for maximum performance.
+ * - Programmable ADC interrupt priority level.
+ * - Programmable DMA bus priority for each DMA channel.
+ * - Programmable DMA interrupt priority for each DMA channel.
+ * - DMA and ADC errors detection.
+ * .
+ * @ingroup STM32L1xx_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_EXT STM32L1xx EXT Support
+ * @details The STM32L1xx EXT driver uses the EXTI peripheral.
+ *
+ * @section stm32l1xx_ext_1 Supported HW resources
+ * - EXTI.
+ * .
+ * @section stm32l1xx_ext_2 STM32L1xx EXT driver implementation features
+ * - Each EXTI channel can be independently enabled and programmed.
+ * - Programmable EXTI interrupts priority level.
+ * - Capability to work as event sources (WFE) rather than interrupt sources.
+ * .
+ * @ingroup STM32L1xx_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_GPT STM32L1xx GPT Support
+ * @details The STM32L1xx GPT driver uses the TIMx peripherals.
+ *
+ * @section stm32l1xx_gpt_1 Supported HW resources
+ * - TIM2.
+ * - TIM3.
+ * - TIM4.
+ * .
+ * @section stm32l1xx_gpt_2 STM32L1xx GPT driver implementation features
+ * - Each timer can be independently enabled and programmed. Unused
+ * peripherals are left in low power mode.
+ * - Programmable TIMx interrupts priority level.
+ * .
+ * @ingroup STM32L1xx_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_ICU STM32L1xx ICU Support
+ * @details The STM32L1xx ICU driver uses the TIMx peripherals.
+ *
+ * @section stm32l1xx_icu_1 Supported HW resources
+ * - TIM2.
+ * - TIM3.
+ * - TIM4.
+ * .
+ * @section stm32l1xx_icu_2 STM32L1xx ICU driver implementation features
+ * - Each timer can be independently enabled and programmed. Unused
+ * peripherals are left in low power mode.
+ * - Programmable TIMx interrupts priority level.
+ * .
+ * @ingroup STM32L1xx_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_PAL STM32L1xx PAL Support
+ * @details The STM32L1xx PAL driver uses the GPIO peripherals.
+ *
+ * @section stm32l1xx_pal_1 Supported HW resources
+ * - GPIOA.
+ * - GPIOB.
+ * - GPIOC.
+ * - GPIOD.
+ * - GPIOE.
+ * - GPIOH.
+ * .
+ * @section stm32l1xx_pal_2 STM32L1xx PAL driver implementation features
+ * The PAL driver implementation fully supports the following hardware
+ * capabilities:
+ * - 16 bits wide ports.
+ * - Atomic set/reset functions.
+ * - Atomic set+reset function (atomic bus operations).
+ * - Output latched regardless of the pad setting.
+ * - Direct read of input pads regardless of the pad setting.
+ * .
+ * @section stm32l1xx_pal_3 Supported PAL setup modes
+ * The STM32L1xx PAL driver supports the following I/O modes:
+ * - @p PAL_MODE_RESET.
+ * - @p PAL_MODE_UNCONNECTED.
+ * - @p PAL_MODE_INPUT.
+ * - @p PAL_MODE_INPUT_PULLUP.
+ * - @p PAL_MODE_INPUT_PULLDOWN.
+ * - @p PAL_MODE_INPUT_ANALOG.
+ * - @p PAL_MODE_OUTPUT_PUSHPULL.
+ * - @p PAL_MODE_OUTPUT_OPENDRAIN.
+ * - @p PAL_MODE_ALTERNATE (non standard).
+ * .
+ * Any attempt to setup an invalid mode is ignored.
+ *
+ * @section stm32l1xx_pal_4 Suboptimal behavior
+ * The STM32L1xx GPIO is less than optimal in several areas, the limitations
+ * should be taken in account while using the PAL driver:
+ * - Pad/port toggling operations are not atomic.
+ * - Pad/group mode setup is not atomic.
+ * .
+ * @ingroup STM32L1xx_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_PWM STM32L1xx PWM Support
+ * @details The STM32L1xx PWM driver uses the TIMx peripherals.
+ *
+ * @section stm32l1xx_pwm_1 Supported HW resources
+ * - TIM1.
+ * - TIM2.
+ * - TIM3.
+ * - TIM4.
+ * .
+ * @section stm32l1xx_pwm_2 STM32L1xx PWM driver implementation features
+ * - Each timer can be independently enabled and programmed. Unused
+ * peripherals are left in low power mode.
+ * - Four independent PWM channels per timer.
+ * - Programmable TIMx interrupts priority level.
+ * .
+ * @ingroup STM32L1xx_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_SERIAL STM32L1xx Serial Support
+ * @details The STM32L1xx Serial driver uses the USART/UART peripherals in a
+ * buffered, interrupt driven, implementation.
+ *
+ * @section stm32l1xx_serial_1 Supported HW resources
+ * The serial driver can support any of the following hardware resources:
+ * - USART1.
+ * - USART2.
+ * - USART3 (where present).
+ * - UART4 (where present).
+ * - UART5 (where present).
+ * .
+ * @section stm32l1xx_serial_2 STM32L1xx Serial driver implementation features
+ * - Clock stop for reduced power usage when the driver is in stop state.
+ * - Each UART/USART can be independently enabled and programmed. Unused
+ * peripherals are left in low power mode.
+ * - Fully interrupt driven.
+ * - Programmable priority levels for each UART/USART.
+ * .
+ * @ingroup STM32L1xx_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_SPI STM32L1xx SPI Support
+ * @details The SPI driver supports the STM32L1xx SPI peripherals using DMA
+ * channels for maximum performance.
+ *
+ * @section stm32l1xx_spi_1 Supported HW resources
+ * - SPI1.
+ * - SPI2.
+ * - SPI3 (where present).
+ * - DMA1.
+ * - DMA2 (where present).
+ * .
+ * @section stm32l1xx_spi_2 STM32L1xx SPI driver implementation features
+ * - Clock stop for reduced power usage when the driver is in stop state.
+ * - Each SPI can be independently enabled and programmed. Unused
+ * peripherals are left in low power mode.
+ * - Programmable interrupt priority levels for each SPI.
+ * - DMA is used for receiving and transmitting.
+ * - Programmable DMA bus priority for each DMA channel.
+ * - Programmable DMA interrupt priority for each DMA channel.
+ * - Programmable DMA error hook.
+ * .
+ * @ingroup STM32L1xx_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_UART STM32L1xx UART Support
+ * @details The UART driver supports the STM32L1xx USART peripherals using DMA
+ * channels for maximum performance.
+ *
+ * @section stm32l1xx_uart_1 Supported HW resources
+ * The UART driver can support any of the following hardware resources:
+ * - USART1.
+ * - USART2.
+ * - USART3 (where present).
+ * - DMA1.
+ * .
+ * @section stm32l1xx_uart_2 STM32L1xx UART driver implementation features
+ * - Clock stop for reduced power usage when the driver is in stop state.
+ * - Each UART/USART can be independently enabled and programmed. Unused
+ * peripherals are left in low power mode.
+ * - Programmable interrupt priority levels for each UART/USART.
+ * - DMA is used for receiving and transmitting.
+ * - Programmable DMA bus priority for each DMA channel.
+ * - Programmable DMA interrupt priority for each DMA channel.
+ * - Programmable DMA error hook.
+ * .
+ * @ingroup STM32L1xx_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_USB STM32L1xx USB Support
+ * @details The USB driver supports the STM32L1xx USB peripheral.
+ *
+ * @section stm32l1xx_usb_1 Supported HW resources
+ * The USB driver can support any of the following hardware resources:
+ * - USB.
+ * .
+ * @section stm32l1xx_usb_2 STM32L1xx USB driver implementation features
+ * - Clock stop for reduced power usage when the driver is in stop state.
+ * - Programmable interrupt priority levels.
+ * - Each endpoint programmable in Control, Bulk and Interrupt modes.
+ * .
+ * @ingroup STM32L1xx_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_PLATFORM_DRIVERS STM32L1xx Platform Drivers
+ * @details Platform support drivers. Platform drivers do not implement HAL
+ * standard driver templates, their role is to support platform
+ * specific functionalities.
+ *
+ * @ingroup STM32L1xx_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_DMA STM32L1xx DMA Support
+ * @details This DMA helper driver is used by the other drivers in order to
+ * access the shared DMA resources in a consistent way.
+ *
+ * @section stm32l1xx_dma_1 Supported HW resources
+ * The DMA driver can support any of the following hardware resources:
+ * - DMA1.
+ * .
+ * @section stm32l1xx_dma_2 STM32L1xx DMA driver implementation features
+ * - Exports helper functions/macros to the other drivers that share the
+ * DMA resource.
+ * - Automatic DMA clock stop when not in use by any driver.
+ * - DMA streams and interrupt vectors sharing among multiple drivers.
+ * .
+ * @ingroup STM32L1xx_PLATFORM_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_ISR STM32L1xx ISR Support
+ * @details This ISR helper driver is used by the other drivers in order to
+ * map ISR names to physical vector names.
+ *
+ * @ingroup STM32L1xx_PLATFORM_DRIVERS
+ */
+
+/**
+ * @defgroup STM32L1xx_RCC STM32L1xx RCC Support
+ * @details This RCC helper driver is used by the other drivers in order to
+ * access the shared RCC resources in a consistent way.
+ *
+ * @section stm32f1xx_rcc_1 Supported HW resources
+ * - RCC.
+ * .
+ * @section stm32l1xx_rcc_2 STM32L1xx RCC driver implementation features
+ * - Peripherals reset.
+ * - Peripherals clock enable.
+ * - Peripherals clock disable.
+ * .
+ * @ingroup STM32L1xx_PLATFORM_DRIVERS
+ */
diff --git a/os/hal/ports/STM32/STM32L1xx/platform.mk b/os/hal/ports/STM32/STM32L1xx/platform.mk new file mode 100644 index 000000000..4104e3369 --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/platform.mk @@ -0,0 +1,28 @@ +# List of all the STM32L1xx platform files.
+PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
+ ${CHIBIOS}/os/hal/ports/STM32L1xx/stm32_dma.c \
+ ${CHIBIOS}/os/hal/ports/STM32L1xx/hal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32L1xx/adc_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32L1xx/ext_lld_isr.c \
+ ${CHIBIOS}/os/hal/ports/STM32/ext_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv2/pal_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv1/i2c_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv1/spi_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/gpt_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/icu_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/pwm_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1/st_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv1/serial_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv1/uart_lld.c \
+ ${CHIBIOS}/os/hal/ports/STM32/USBv1/usb_lld.c
+
+# Required include directories
+PLATFORMINC = ${CHIBIOS}/os/hal/ports/common/ARMCMx \
+ ${CHIBIOS}/os/hal/ports/STM32L1xx \
+ ${CHIBIOS}/os/hal/ports/STM32 \
+ ${CHIBIOS}/os/hal/ports/STM32/GPIOv2 \
+ ${CHIBIOS}/os/hal/ports/STM32/I2Cv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/SPIv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/TIMv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/USARTv1 \
+ ${CHIBIOS}/os/hal/ports/STM32/USBv1
diff --git a/os/hal/ports/STM32/STM32L1xx/stm32_dma.c b/os/hal/ports/STM32/STM32L1xx/stm32_dma.c new file mode 100644 index 000000000..46faae429 --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/stm32_dma.c @@ -0,0 +1,343 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32L1xx/stm32_dma.c
+ * @brief DMA helper driver code.
+ *
+ * @addtogroup STM32L1xx_DMA
+ * @details DMA sharing helper driver. In the STM32 the DMA streams are a
+ * shared resource, this driver allows to allocate and free DMA
+ * streams at runtime in order to allow all the other device
+ * drivers to coordinate the access to the resource.
+ * @note The DMA ISR handlers are all declared into this module because
+ * sharing, the various device drivers can associate a callback to
+ * ISRs when allocating streams.
+ * @{
+ */
+
+#include "hal.h"
+
+/* The following macro is only defined if some driver requiring DMA services
+ has been enabled.*/
+#if defined(STM32_DMA_REQUIRED) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/**
+ * @brief Mask of the DMA1 streams in @p dma_streams_mask.
+ */
+#define STM32_DMA1_STREAMS_MASK 0x0000007F
+
+/**
+ * @brief Mask of the DMA2 streams in @p dma_streams_mask.
+ */
+#define STM32_DMA2_STREAMS_MASK 0x00000F80
+
+/**
+ * @brief Post-reset value of the stream CCR register.
+ */
+#define STM32_DMA_CCR_RESET_VALUE 0x00000000
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA streams descriptors.
+ * @details This table keeps the association between an unique stream
+ * identifier and the involved physical registers.
+ * @note Don't use this array directly, use the appropriate wrapper macros
+ * instead: @p STM32_DMA1_STREAM1, @p STM32_DMA1_STREAM2 etc.
+ */
+const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS] = {
+ {DMA1_Channel1, &DMA1->IFCR, 0, 0, DMA1_Channel1_IRQn},
+ {DMA1_Channel2, &DMA1->IFCR, 4, 1, DMA1_Channel2_IRQn},
+ {DMA1_Channel3, &DMA1->IFCR, 8, 2, DMA1_Channel3_IRQn},
+ {DMA1_Channel4, &DMA1->IFCR, 12, 3, DMA1_Channel4_IRQn},
+ {DMA1_Channel5, &DMA1->IFCR, 16, 4, DMA1_Channel5_IRQn},
+ {DMA1_Channel6, &DMA1->IFCR, 20, 5, DMA1_Channel6_IRQn},
+ {DMA1_Channel7, &DMA1->IFCR, 24, 6, DMA1_Channel7_IRQn}
+};
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA ISR redirector type.
+ */
+typedef struct {
+ stm32_dmaisr_t dma_func; /**< @brief DMA callback function. */
+ void *dma_param; /**< @brief DMA callback parameter. */
+} dma_isr_redir_t;
+
+/**
+ * @brief Mask of the allocated streams.
+ */
+static uint32_t dma_streams_mask;
+
+/**
+ * @brief DMA IRQ redirectors.
+ */
+static dma_isr_redir_t dma_isr_redir[STM32_DMA_STREAMS];
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/**
+ * @brief DMA1 stream 1 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector6C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 0) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 0;
+ if (dma_isr_redir[0].dma_func)
+ dma_isr_redir[0].dma_func(dma_isr_redir[0].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 2 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector70) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 4) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 4;
+ if (dma_isr_redir[1].dma_func)
+ dma_isr_redir[1].dma_func(dma_isr_redir[1].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 3 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector74) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 8) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 8;
+ if (dma_isr_redir[2].dma_func)
+ dma_isr_redir[2].dma_func(dma_isr_redir[2].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 4 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector78) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 12) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 12;
+ if (dma_isr_redir[3].dma_func)
+ dma_isr_redir[3].dma_func(dma_isr_redir[3].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 5 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector7C) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 16) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 16;
+ if (dma_isr_redir[4].dma_func)
+ dma_isr_redir[4].dma_func(dma_isr_redir[4].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 6 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector80) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 20) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 20;
+ if (dma_isr_redir[5].dma_func)
+ dma_isr_redir[5].dma_func(dma_isr_redir[5].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief DMA1 stream 7 shared interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector84) {
+ uint32_t flags;
+
+ OSAL_IRQ_PROLOGUE();
+
+ flags = (DMA1->ISR >> 24) & STM32_DMA_ISR_MASK;
+ DMA1->IFCR = flags << 24;
+ if (dma_isr_redir[6].dma_func)
+ dma_isr_redir[6].dma_func(dma_isr_redir[6].dma_param, flags);
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief STM32 DMA helper initialization.
+ *
+ * @init
+ */
+void dmaInit(void) {
+ int i;
+
+ dma_streams_mask = 0;
+ for (i = 0; i < STM32_DMA_STREAMS; i++) {
+ _stm32_dma_streams[i].channel->CCR = 0;
+ dma_isr_redir[i].dma_func = NULL;
+ }
+ DMA1->IFCR = 0xFFFFFFFF;
+}
+
+/**
+ * @brief Allocates a DMA stream.
+ * @details The stream is allocated and, if required, the DMA clock enabled.
+ * The function also enables the IRQ vector associated to the stream
+ * and initializes its priority.
+ * @pre The stream must not be already in use or an error is returned.
+ * @post The stream is allocated and the default ISR handler redirected
+ * to the specified function.
+ * @post The stream ISR vector is enabled and its priority configured.
+ * @post The stream must be freed using @p dmaStreamRelease() before it can
+ * be reused with another peripheral.
+ * @post The stream is in its post-reset state.
+ * @note This function can be invoked in both ISR or thread context.
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] priority IRQ priority mask for the DMA stream
+ * @param[in] func handling function pointer, can be @p NULL
+ * @param[in] param a parameter to be passed to the handling function
+ * @return The operation status.
+ * @retval FALSE no error, stream taken.
+ * @retval TRUE error, stream already taken.
+ *
+ * @special
+ */
+bool dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
+ uint32_t priority,
+ stm32_dmaisr_t func,
+ void *param) {
+
+ osalDbgCheck(dmastp != NULL);
+
+ /* Checks if the stream is already taken.*/
+ if ((dma_streams_mask & (1 << dmastp->selfindex)) != 0)
+ return TRUE;
+
+ /* Marks the stream as allocated.*/
+ dma_isr_redir[dmastp->selfindex].dma_func = func;
+ dma_isr_redir[dmastp->selfindex].dma_param = param;
+ dma_streams_mask |= (1 << dmastp->selfindex);
+
+ /* Enabling DMA clocks required by the current streams set.*/
+ if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) != 0)
+ rccEnableDMA1(FALSE);
+
+ /* Putting the stream in a safe state.*/
+ dmaStreamDisable(dmastp);
+ dmastp->channel->CCR = STM32_DMA_CCR_RESET_VALUE;
+
+ /* Enables the associated IRQ vector if a callback is defined.*/
+ if (func != NULL)
+ nvicEnableVector(dmastp->vector, priority);
+
+ return FALSE;
+}
+
+/**
+ * @brief Releases a DMA stream.
+ * @details The stream is freed and, if required, the DMA clock disabled.
+ * Trying to release a unallocated stream is an illegal operation
+ * and is trapped if assertions are enabled.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post The stream is again available.
+ * @note This function can be invoked in both ISR or thread context.
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+void dmaStreamRelease(const stm32_dma_stream_t *dmastp) {
+
+ osalDbgCheck(dmastp != NULL);
+
+ /* Check if the streams is not taken.*/
+ osalDbgAssert((dma_streams_mask & (1 << dmastp->selfindex)) != 0,
+ "not allocated");
+
+ /* Disables the associated IRQ vector.*/
+ nvicDisableVector(dmastp->vector);
+
+ /* Marks the stream as not allocated.*/
+ dma_streams_mask &= ~(1 << dmastp->selfindex);
+
+ /* Shutting down clocks that are no more required, if any.*/
+ if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) == 0)
+ rccDisableDMA1(FALSE);
+}
+
+#endif /* STM32_DMA_REQUIRED */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32L1xx/stm32_dma.h b/os/hal/ports/STM32/STM32L1xx/stm32_dma.h new file mode 100644 index 000000000..3af798d0b --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/stm32_dma.h @@ -0,0 +1,396 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32L1xx/stm32_dma.h
+ * @brief DMA helper driver header.
+ * @note This file requires definitions from the ST header file stm32l1xx.h.
+ * @note This driver uses the new naming convention used for the STM32F2xx
+ * so the "DMA channels" are referred as "DMA streams".
+ *
+ * @addtogroup STM32L1xx_DMA
+ * @{
+ */
+
+#ifndef _STM32_DMA_H_
+#define _STM32_DMA_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Total number of DMA streams.
+ * @note This is the total number of streams among all the DMA units.
+ */
+#define STM32_DMA_STREAMS 7
+
+/**
+ * @brief Mask of the ISR bits passed to the DMA callback functions.
+ */
+#define STM32_DMA_ISR_MASK 0x0F
+
+/**
+ * @brief Returns the channel associated to the specified stream.
+ *
+ * @param[in] n the stream number (0...STM32_DMA_STREAMS-1)
+ * @param[in] c a stream/channel association word, one channel per
+ * nibble, not associated channels must be set to 0xF
+ * @return Always zero, in this platform there is no dynamic
+ * association between streams and channels.
+ */
+#define STM32_DMA_GETCHANNEL(n, c) 0
+
+/**
+ * @brief Checks if a DMA priority is within the valid range.
+ * @param[in] prio DMA priority
+ *
+ * @retval The check result.
+ * @retval FALSE invalid DMA priority.
+ * @retval TRUE correct DMA priority.
+ */
+#define STM32_DMA_IS_VALID_PRIORITY(prio) (((prio) >= 0) && ((prio) <= 3))
+
+/**
+ * @brief Returns an unique numeric identifier for a DMA stream.
+ *
+ * @param[in] dma the DMA unit number
+ * @param[in] stream the stream number
+ * @return An unique numeric stream identifier.
+ */
+#define STM32_DMA_STREAM_ID(dma, stream) ((stream) - 1)
+
+/**
+ * @brief Returns a DMA stream identifier mask.
+ *
+ *
+ * @param[in] dma the DMA unit number
+ * @param[in] stream the stream number
+ * @return A DMA stream identifier mask.
+ */
+#define STM32_DMA_STREAM_ID_MSK(dma, stream) \
+ (1 << STM32_DMA_STREAM_ID(dma, stream))
+
+/**
+ * @brief Checks if a DMA stream unique identifier belongs to a mask.
+ * @param[in] id the stream numeric identifier
+ * @param[in] mask the stream numeric identifiers mask
+ *
+ * @retval The check result.
+ * @retval FALSE id does not belong to the mask.
+ * @retval TRUE id belongs to the mask.
+ */
+#define STM32_DMA_IS_VALID_ID(id, mask) (((1 << (id)) & (mask)))
+
+/**
+ * @name DMA streams identifiers
+ * @{
+ */
+/**
+ * @brief Returns a pointer to a stm32_dma_stream_t structure.
+ *
+ * @param[in] id the stream numeric identifier
+ * @return A pointer to the stm32_dma_stream_t constant structure
+ * associated to the DMA stream.
+ */
+#define STM32_DMA_STREAM(id) (&_stm32_dma_streams[id])
+
+#define STM32_DMA1_STREAM1 STM32_DMA_STREAM(0)
+#define STM32_DMA1_STREAM2 STM32_DMA_STREAM(1)
+#define STM32_DMA1_STREAM3 STM32_DMA_STREAM(2)
+#define STM32_DMA1_STREAM4 STM32_DMA_STREAM(3)
+#define STM32_DMA1_STREAM5 STM32_DMA_STREAM(4)
+#define STM32_DMA1_STREAM6 STM32_DMA_STREAM(5)
+#define STM32_DMA1_STREAM7 STM32_DMA_STREAM(6)
+/** @} */
+
+/**
+ * @name CR register constants common to all DMA types
+ * @{
+ */
+#define STM32_DMA_CR_EN DMA_CCR1_EN
+#define STM32_DMA_CR_TEIE DMA_CCR1_TEIE
+#define STM32_DMA_CR_HTIE DMA_CCR1_HTIE
+#define STM32_DMA_CR_TCIE DMA_CCR1_TCIE
+#define STM32_DMA_CR_DIR_MASK (DMA_CCR1_DIR | DMA_CCR1_MEM2MEM)
+#define STM32_DMA_CR_DIR_P2M 0
+#define STM32_DMA_CR_DIR_M2P DMA_CCR1_DIR
+#define STM32_DMA_CR_DIR_M2M DMA_CCR1_MEM2MEM
+#define STM32_DMA_CR_CIRC DMA_CCR1_CIRC
+#define STM32_DMA_CR_PINC DMA_CCR1_PINC
+#define STM32_DMA_CR_MINC DMA_CCR1_MINC
+#define STM32_DMA_CR_PSIZE_MASK DMA_CCR1_PSIZE
+#define STM32_DMA_CR_PSIZE_BYTE 0
+#define STM32_DMA_CR_PSIZE_HWORD DMA_CCR1_PSIZE_0
+#define STM32_DMA_CR_PSIZE_WORD DMA_CCR1_PSIZE_1
+#define STM32_DMA_CR_MSIZE_MASK DMA_CCR1_MSIZE
+#define STM32_DMA_CR_MSIZE_BYTE 0
+#define STM32_DMA_CR_MSIZE_HWORD DMA_CCR1_MSIZE_0
+#define STM32_DMA_CR_MSIZE_WORD DMA_CCR1_MSIZE_1
+#define STM32_DMA_CR_SIZE_MASK (STM32_DMA_CR_PSIZE_MASK | \
+ STM32_DMA_CR_MSIZE_MASK)
+#define STM32_DMA_CR_PL_MASK DMA_CCR1_PL
+#define STM32_DMA_CR_PL(n) ((n) << 12)
+/** @} */
+
+/**
+ * @name CR register constants only found in enhanced DMA
+ * @{
+ */
+#define STM32_DMA_CR_DMEIE 0 /**< @brief Ignored by normal DMA. */
+#define STM32_DMA_CR_CHSEL_MASK 0 /**< @brief Ignored by normal DMA. */
+#define STM32_DMA_CR_CHSEL(n) 0 /**< @brief Ignored by normal DMA. */
+/** @} */
+
+/**
+ * @name Status flags passed to the ISR callbacks
+ * @{
+ */
+#define STM32_DMA_ISR_FEIF 0
+#define STM32_DMA_ISR_DMEIF 0
+#define STM32_DMA_ISR_TEIF DMA_ISR_TEIF1
+#define STM32_DMA_ISR_HTIF DMA_ISR_HTIF1
+#define STM32_DMA_ISR_TCIF DMA_ISR_TCIF1
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief STM32 DMA stream descriptor structure.
+ */
+typedef struct {
+ DMA_Channel_TypeDef *channel; /**< @brief Associated DMA channel. */
+ volatile uint32_t *ifcr; /**< @brief Associated IFCR reg. */
+ uint8_t ishift; /**< @brief Bits offset in xIFCR
+ register. */
+ uint8_t selfindex; /**< @brief Index to self in array. */
+ uint8_t vector; /**< @brief Associated IRQ vector. */
+} stm32_dma_stream_t;
+
+/**
+ * @brief STM32 DMA ISR function type.
+ *
+ * @param[in] p parameter for the registered function
+ * @param[in] flags pre-shifted content of the ISR register, the bits
+ * are aligned to bit zero
+ */
+typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags);
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Macro Functions
+ * @{
+ */
+/**
+ * @brief Associates a peripheral data register to a DMA stream.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] addr value to be written in the CPAR register
+ *
+ * @special
+ */
+#define dmaStreamSetPeripheral(dmastp, addr) { \
+ (dmastp)->channel->CPAR = (uint32_t)(addr); \
+}
+
+/**
+ * @brief Associates a memory destination to a DMA stream.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] addr value to be written in the CMAR register
+ *
+ * @special
+ */
+#define dmaStreamSetMemory0(dmastp, addr) { \
+ (dmastp)->channel->CMAR = (uint32_t)(addr); \
+}
+
+/**
+ * @brief Sets the number of transfers to be performed.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] size value to be written in the CNDTR register
+ *
+ * @special
+ */
+#define dmaStreamSetTransactionSize(dmastp, size) { \
+ (dmastp)->channel->CNDTR = (uint32_t)(size); \
+}
+
+/**
+ * @brief Returns the number of transfers to be performed.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @return The number of transfers to be performed.
+ *
+ * @special
+ */
+#define dmaStreamGetTransactionSize(dmastp) ((size_t)((dmastp)->channel->CNDTR))
+
+/**
+ * @brief Programs the stream mode settings.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] mode value to be written in the CCR register
+ *
+ * @special
+ */
+#define dmaStreamSetMode(dmastp, mode) { \
+ (dmastp)->channel->CCR = (uint32_t)(mode); \
+}
+
+/**
+ * @brief DMA stream enable.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamEnable(dmastp) { \
+ (dmastp)->channel->CCR |= STM32_DMA_CR_EN; \
+}
+
+/**
+ * @brief DMA stream disable.
+ * @details The function disables the specified stream and then clears any
+ * pending interrupt.
+ * @note This function can be invoked in both ISR or thread context.
+ * @note Interrupts enabling flags are set to zero after this call, see
+ * bug 3607518.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamDisable(dmastp) { \
+ (dmastp)->channel->CCR &= ~(STM32_DMA_CR_TCIE | STM32_DMA_CR_HTIE | \
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_EN); \
+ dmaStreamClearInterrupt(dmastp); \
+}
+
+/**
+ * @brief DMA stream interrupt sources clear.
+ * @note This function can be invoked in both ISR or thread context.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ *
+ * @special
+ */
+#define dmaStreamClearInterrupt(dmastp) { \
+ *(dmastp)->ifcr = STM32_DMA_ISR_MASK << (dmastp)->ishift; \
+}
+
+/**
+ * @brief Starts a memory to memory operation using the specified stream.
+ * @note The default transfer data mode is "byte to byte" but it can be
+ * changed by specifying extra options in the @p mode parameter.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ * @param[in] mode value to be written in the CCR register, this value
+ * is implicitly ORed with:
+ * - @p STM32_DMA_CR_MINC
+ * - @p STM32_DMA_CR_PINC
+ * - @p STM32_DMA_CR_DIR_M2M
+ * - @p STM32_DMA_CR_EN
+ * .
+ * @param[in] src source address
+ * @param[in] dst destination address
+ * @param[in] n number of data units to copy
+ */
+#define dmaStartMemCopy(dmastp, mode, src, dst, n) { \
+ dmaStreamSetPeripheral(dmastp, src); \
+ dmaStreamSetMemory0(dmastp, dst); \
+ dmaStreamSetTransactionSize(dmastp, n); \
+ dmaStreamSetMode(dmastp, (mode) | \
+ STM32_DMA_CR_MINC | STM32_DMA_CR_PINC | \
+ STM32_DMA_CR_DIR_M2M | STM32_DMA_CR_EN); \
+}
+
+/**
+ * @brief Polled wait for DMA transfer end.
+ * @pre The stream must have been allocated using @p dmaStreamAllocate().
+ * @post After use the stream can be released using @p dmaStreamRelease().
+ *
+ * @param[in] dmastp pointer to a stm32_dma_stream_t structure
+ */
+#define dmaWaitCompletion(dmastp) { \
+ while ((dmastp)->channel->CNDTR > 0) \
+ ; \
+ dmaStreamDisable(dmastp); \
+}
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+extern const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS];
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void dmaInit(void);
+ bool dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
+ uint32_t priority,
+ stm32_dmaisr_t func,
+ void *param);
+ void dmaStreamRelease(const stm32_dma_stream_t *dmastp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _STM32_DMA_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32L1xx/stm32_isr.h b/os/hal/ports/STM32/STM32L1xx/stm32_isr.h new file mode 100644 index 000000000..f7f2d8d63 --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/stm32_isr.h @@ -0,0 +1,92 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32L1xx/stm32_isr.h
+ * @brief ISR remapper driver header.
+ *
+ * @addtogroup STM32L1xx_ISR
+ * @{
+ */
+
+#ifndef _STM32_ISR_H_
+#define _STM32_ISR_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name ISR names and numbers remapping
+ * @{
+ */
+/*
+ * TIM units.
+ */
+#define STM32_TIM2_HANDLER VectorB0
+#define STM32_TIM3_HANDLER VectorB4
+#define STM32_TIM4_HANDLER VectorB8
+#define STM32_TIM9_HANDLER VectorA4
+
+#define STM32_TIM2_NUMBER 28
+#define STM32_TIM3_NUMBER 29
+#define STM32_TIM4_NUMBER 30
+#define STM32_TIM9_NUMBER 25
+
+/*
+ * USART units.
+ */
+#define STM32_USART1_HANDLER VectorD4
+#define STM32_USART2_HANDLER VectorD8
+#define STM32_USART3_HANDLER VectorDC
+
+#define STM32_USART1_NUMBER 37
+#define STM32_USART2_NUMBER 38
+#define STM32_USART3_NUMBER 39
+
+/*
+ * USB units.
+ */
+#define STM32_USB1_HP_HANDLER Vector8C
+#define STM32_USB1_LP_HANDLER Vector30
+
+#define STM32_USB1_HP_NUMBER 19
+#define STM32_USB1_LP_NUMBER 20
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#endif /* _STM32_ISR_H_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32L1xx/stm32_rcc.h b/os/hal/ports/STM32/STM32L1xx/stm32_rcc.h new file mode 100644 index 000000000..90cbd8fbe --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/stm32_rcc.h @@ -0,0 +1,662 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32L1xx/stm32_rcc.h
+ * @brief RCC helper driver header.
+ * @note This file requires definitions from the ST header file
+ * @p stm32l1xx.h.
+ *
+ * @addtogroup STM32L1xx_RCC
+ * @{
+ */
+
+#ifndef _STM32_RCC_
+#define _STM32_RCC_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Generic RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the clock of one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB1(mask, lp) { \
+ RCC->APB1ENR |= (mask); \
+ if (lp) \
+ RCC->APB1LPENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB1(mask, lp) { \
+ RCC->APB1ENR &= ~(mask); \
+ if (lp) \
+ RCC->APB1LPENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the APB1 bus.
+ *
+ * @param[in] mask APB1 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAPB1(mask) { \
+ RCC->APB1RSTR |= (mask); \
+ RCC->APB1RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAPB2(mask, lp) { \
+ RCC->APB2ENR |= (mask); \
+ if (lp) \
+ RCC->APB2LPENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAPB2(mask, lp) { \
+ RCC->APB2ENR &= ~(mask); \
+ if (lp) \
+ RCC->APB2LPENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the APB2 bus.
+ *
+ * @param[in] mask APB2 peripherals mask
+ *
+ * @api
+ */
+#define rccResetAPB2(mask) { \
+ RCC->APB2RSTR |= (mask); \
+ RCC->APB2RSTR = 0; \
+}
+
+/**
+ * @brief Enables the clock of one or more peripheral on the AHB bus.
+ *
+ * @param[in] mask AHB peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableAHB(mask, lp) { \
+ RCC->AHBENR |= (mask); \
+ if (lp) \
+ RCC->AHBLPENR |= (mask); \
+}
+
+/**
+ * @brief Disables the clock of one or more peripheral on the AHB bus.
+ *
+ * @param[in] mask AHB peripherals mask
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableAHB(mask, lp) { \
+ RCC->AHBENR &= ~(mask); \
+ if (lp) \
+ RCC->AHBLPENR &= ~(mask); \
+}
+
+/**
+ * @brief Resets one or more peripheral on the AHB bus.
+ *
+ * @param[in] mask AHB peripherals mask
+ *
+ * @api
+ */
+#define rccResetAHB(mask) { \
+ RCC->AHBRSTR |= (mask); \
+ RCC->AHBRSTR = 0; \
+}
+/** @} */
+
+/**
+ * @name ADC peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the ADC1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableADC1(lp) rccEnableAPB2(RCC_APB2ENR_ADC1EN, lp)
+
+/**
+ * @brief Disables the ADC1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableADC1(lp) rccDisableAPB2(RCC_APB2ENR_ADC1EN, lp)
+
+/**
+ * @brief Resets the ADC1 peripheral.
+ *
+ * @api
+ */
+#define rccResetADC1() rccResetAPB2(RCC_APB2RSTR_ADC1RST)
+/** @} */
+
+/**
+ * @name DMA peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the DMA1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableDMA1(lp) rccEnableAHB(RCC_AHBENR_DMA1EN, lp)
+
+/**
+ * @brief Disables the DMA1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableDMA1(lp) rccDisableAHB(RCC_AHBENR_DMA1EN, lp)
+
+/**
+ * @brief Resets the DMA1 peripheral.
+ *
+ * @api
+ */
+#define rccResetDMA1() rccResetAHB(RCC_AHBRSTR_DMA1RST)
+/** @} */
+
+/**
+ * @name PWR interface specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the PWR interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnablePWRInterface(lp) rccEnableAPB1(RCC_APB1ENR_PWREN, lp)
+
+/**
+ * @brief Disables PWR interface clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisablePWRInterface(lp) rccDisableAPB1(RCC_APB1ENR_PWREN, lp)
+
+/**
+ * @brief Resets the PWR interface.
+ *
+ * @api
+ */
+#define rccResetPWRInterface() rccResetAPB1(RCC_APB1RSTR_PWRRST)
+/** @} */
+
+/**
+ * @name I2C peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the I2C1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C1(lp) rccEnableAPB1(RCC_APB1ENR_I2C1EN, lp)
+
+/**
+ * @brief Disables the I2C1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableI2C1(lp) rccDisableAPB1(RCC_APB1ENR_I2C1EN, lp)
+
+/**
+ * @brief Resets the I2C1 peripheral.
+ *
+ * @api
+ */
+#define rccResetI2C1() rccResetAPB1(RCC_APB1RSTR_I2C1RST)
+
+/**
+ * @brief Enables the I2C2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableI2C2(lp) rccEnableAPB1(RCC_APB1ENR_I2C2EN, lp)
+
+/**
+ * @brief Disables the I2C2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableI2C2(lp) rccDisableAPB1(RCC_APB1ENR_I2C2EN, lp)
+
+/**
+ * @brief Resets the I2C2 peripheral.
+ *
+ * @api
+ */
+#define rccResetI2C2() rccResetAPB1(RCC_APB1RSTR_I2C2RST)
+/** @} */
+
+/**
+ * @name SPI peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the SPI1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI1(lp) rccEnableAPB2(RCC_APB2ENR_SPI1EN, lp)
+
+/**
+ * @brief Disables the SPI1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI1(lp) rccDisableAPB2(RCC_APB2ENR_SPI1EN, lp)
+
+/**
+ * @brief Resets the SPI1 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI1() rccResetAPB2(RCC_APB2RSTR_SPI1RST)
+
+/**
+ * @brief Enables the SPI2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableSPI2(lp) rccEnableAPB1(RCC_APB1ENR_SPI2EN, lp)
+
+/**
+ * @brief Disables the SPI2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableSPI2(lp) rccDisableAPB1(RCC_APB1ENR_SPI2EN, lp)
+
+/**
+ * @brief Resets the SPI2 peripheral.
+ *
+ * @api
+ */
+#define rccResetSPI2() rccResetAPB1(RCC_APB1RSTR_SPI2RST)
+/** @} */
+
+/**
+ * @name TIM peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the TIM2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM2(lp) rccEnableAPB1(RCC_APB1ENR_TIM2EN, lp)
+
+/**
+ * @brief Disables the TIM2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM2(lp) rccDisableAPB1(RCC_APB1ENR_TIM2EN, lp)
+
+/**
+ * @brief Resets the TIM2 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM2() rccResetAPB1(RCC_APB1RSTR_TIM2RST)
+
+/**
+ * @brief Enables the TIM3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM3(lp) rccEnableAPB1(RCC_APB1ENR_TIM3EN, lp)
+
+/**
+ * @brief Disables the TIM3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM3(lp) rccDisableAPB1(RCC_APB1ENR_TIM3EN, lp)
+
+/**
+ * @brief Resets the TIM3 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM3() rccResetAPB1(RCC_APB1RSTR_TIM3RST)
+
+/**
+ * @brief Enables the TIM4 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM4(lp) rccEnableAPB1(RCC_APB1ENR_TIM4EN, lp)
+
+/**
+ * @brief Disables the TIM4 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM4(lp) rccDisableAPB1(RCC_APB1ENR_TIM4EN, lp)
+
+/**
+ * @brief Resets the TIM4 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM4() rccResetAPB1(RCC_APB1RSTR_TIM4RST)
+
+/**
+ * @brief Enables the TIM9 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM9(lp) rccEnableAPB2(RCC_APB2ENR_TIM9EN, lp)
+
+/**
+ * @brief Disables the TIM9 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM9(lp) rccDisableAPB2(RCC_APB2ENR_TIM9EN, lp)
+
+/**
+ * @brief Resets the TIM9 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM9() rccResetAPB2(RCC_APB2RSTR_TIM9RST)
+
+/**
+ * @brief Enables the TIM10 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM10(lp) rccEnableAPB2(RCC_APB2ENR_TIM10EN, lp)
+
+/**
+ * @brief Disables the TIM10 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM10(lp) rccDisableAPB2(RCC_APB2ENR_TIM10EN, lp)
+
+/**
+ * @brief Resets the TIM10 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM10() rccResetAPB2(RCC_APB2RSTR_TIM10RST)
+
+/**
+ * @brief Enables the TIM10 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM11(lp) rccEnableAPB2(RCC_APB2ENR_TIM11EN, lp)
+
+/**
+ * @brief Disables the TIM11 peripheral clock.
+ * @note The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM11(lp) rccDisableAPB2(RCC_APB2ENR_TIM11EN, lp)
+
+/**
+ * @brief Resets the TIM11 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM11() rccResetAPB2(RCC_APB2RSTR_TIM11RST)
+
+/** @} */
+
+/**
+ * @name USART/UART peripherals specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the USART1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART1(lp) rccEnableAPB2(RCC_APB2ENR_USART1EN, lp)
+
+/**
+ * @brief Disables the USART1 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART1(lp) rccDisableAPB2(RCC_APB2ENR_USART1EN, lp)
+
+/**
+ * @brief Resets the USART1 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART1() rccResetAPB2(RCC_APB2RSTR_USART1RST)
+
+/**
+ * @brief Enables the USART2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART2(lp) rccEnableAPB1(RCC_APB1ENR_USART2EN, lp)
+
+/**
+ * @brief Disables the USART2 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART2(lp) rccDisableAPB1(RCC_APB1ENR_USART2EN, lp)
+
+/**
+ * @brief Resets the USART2 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART2() rccResetAPB1(RCC_APB1RSTR_USART2RST)
+
+/**
+ * @brief Enables the USART3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSART3(lp) rccEnableAPB1(RCC_APB1ENR_USART3EN, lp)
+
+/**
+ * @brief Disables the USART3 peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSART3(lp) rccDisableAPB1(RCC_APB1ENR_USART3EN, lp)
+
+/**
+ * @brief Resets the USART3 peripheral.
+ *
+ * @api
+ */
+#define rccResetUSART3() rccResetAPB1(RCC_APB1RSTR_USART3RST)
+/** @} */
+
+/**
+ * @name USB peripheral specific RCC operations
+ * @{
+ */
+/**
+ * @brief Enables the USB peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccEnableUSB(lp) rccEnableAPB1(RCC_APB1ENR_USBEN, lp)
+
+/**
+ * @brief Disables the USB peripheral clock.
+ *
+ * @param[in] lp low power enable flag
+ *
+ * @api
+ */
+#define rccDisableUSB(lp) rccDisableAPB1(RCC_APB1ENR_USBEN, lp)
+
+/**
+ * @brief Resets the USB peripheral.
+ *
+ * @api
+ */
+#define rccResetUSB() rccResetAPB1(RCC_APB1RSTR_USBRST)
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _STM32_RCC_ */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32L1xx/stm32_registry.h b/os/hal/ports/STM32/STM32L1xx/stm32_registry.h new file mode 100644 index 000000000..ab679e19f --- /dev/null +++ b/os/hal/ports/STM32/STM32L1xx/stm32_registry.h @@ -0,0 +1,178 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file STM32L1xx/stm32_registry.h
+ * @brief STM32L1xx capabilities registry.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _STM32_REGISTRY_H_
+#define _STM32_REGISTRY_H_
+
+/*===========================================================================*/
+/* Platform capabilities. */
+/*===========================================================================*/
+
+/**
+ * @name STM32L1xx capabilities
+ * @{
+ */
+/* ADC attributes.*/
+#define STM32_HAS_ADC1 TRUE
+#define STM32_HAS_ADC2 FALSE
+#define STM32_HAS_ADC3 FALSE
+#define STM32_HAS_ADC4 FALSE
+
+/* CAN attributes.*/
+#define STM32_HAS_CAN1 FALSE
+#define STM32_HAS_CAN2 FALSE
+#define STM32_CAN_MAX_FILTERS 0
+
+/* DAC attributes.*/
+#define STM32_HAS_DAC1 TRUE
+#define STM32_HAS_DAC2 FALSE
+
+/* DMA attributes.*/
+#define STM32_ADVANCED_DMA FALSE
+#define STM32_HAS_DMA1 TRUE
+#define STM32_HAS_DMA2 FALSE
+
+/* ETH attributes.*/
+#define STM32_HAS_ETH FALSE
+
+/* EXTI attributes.*/
+#define STM32_EXTI_NUM_CHANNELS 23
+
+/* GPIO attributes.*/
+#define STM32_HAS_GPIOA TRUE
+#define STM32_HAS_GPIOB TRUE
+#define STM32_HAS_GPIOC TRUE
+#define STM32_HAS_GPIOD TRUE
+#define STM32_HAS_GPIOE TRUE
+#define STM32_HAS_GPIOF FALSE
+#define STM32_HAS_GPIOG FALSE
+#define STM32_HAS_GPIOH TRUE
+#define STM32_HAS_GPIOI FALSE
+
+/* I2C attributes.*/
+#define STM32_HAS_I2C1 TRUE
+#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+
+#define STM32_HAS_I2C2 TRUE
+#define STM32_I2C_I2C2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_I2C_I2C2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_I2C3 FALSE
+
+/* RTC attributes.*/
+#define STM32_HAS_RTC TRUE
+#define STM32_RTC_HAS_SUBSECONDS FALSE
+#define STM32_RTC_IS_CALENDAR TRUE
+
+/* SDIO attributes.*/
+#define STM32_HAS_SDIO TRUE
+
+/* SPI attributes.*/
+#define STM32_HAS_SPI1 TRUE
+#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+
+#define STM32_HAS_SPI2 TRUE
+#define STM32_SPI_SPI2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+#define STM32_SPI_SPI2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+
+#define STM32_HAS_SPI3 FALSE
+#define STM32_HAS_SPI4 FALSE
+#define STM32_HAS_SPI5 FALSE
+#define STM32_HAS_SPI6 FALSE
+
+/* TIM attributes.*/
+#define STM32_TIM_MAX_CHANNELS 6
+
+#define STM32_HAS_TIM2 TRUE
+#define STM32_TIM2_IS_32BITS FALSE
+#define STM32_TIM2_CHANNELS 4
+
+#define STM32_HAS_TIM3 TRUE
+#define STM32_TIM3_IS_32BITS FALSE
+#define STM32_TIM3_CHANNELS 4
+
+#define STM32_HAS_TIM4 TRUE
+#define STM32_TIM4_IS_32BITS FALSE
+#define STM32_TIM4_CHANNELS 4
+
+#define STM32_HAS_TIM6 TRUE
+#define STM32_TIM6_IS_32BITS FALSE
+#define STM32_TIM6_CHANNELS 0
+
+#define STM32_HAS_TIM7 TRUE
+#define STM32_TIM7_IS_32BITS FALSE
+#define STM32_TIM7_CHANNELS 0
+
+#define STM32_HAS_TIM9 TRUE
+#define STM32_TIM15_IS_32BITS FALSE
+#define STM32_TIM15_CHANNELS 2
+
+#define STM32_HAS_TIM10 TRUE
+#define STM32_TIM15_IS_32BITS FALSE
+#define STM32_TIM15_CHANNELS 2
+
+#define STM32_HAS_TIM11 TRUE
+#define STM32_TIM15_IS_32BITS FALSE
+#define STM32_TIM15_CHANNELS 2
+
+#define STM32_HAS_TIM1 FALSE
+#define STM32_HAS_TIM5 FALSE
+#define STM32_HAS_TIM8 FALSE
+#define STM32_HAS_TIM12 FALSE
+#define STM32_HAS_TIM13 FALSE
+#define STM32_HAS_TIM14 FALSE
+#define STM32_HAS_TIM15 FALSE
+#define STM32_HAS_TIM16 FALSE
+#define STM32_HAS_TIM17 FALSE
+#define STM32_HAS_TIM18 FALSE
+#define STM32_HAS_TIM19 FALSE
+
+/* USART attributes.*/
+#define STM32_HAS_USART1 TRUE
+#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
+#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
+
+#define STM32_HAS_USART2 TRUE
+#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
+#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
+
+#define STM32_HAS_USART3 TRUE
+#define STM32_UART_USART3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
+#define STM32_UART_USART3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
+
+#define STM32_HAS_UART4 FALSE
+#define STM32_HAS_UART5 FALSE
+#define STM32_HAS_USART6 FALSE
+
+/* USB attributes.*/
+#define STM32_HAS_USB TRUE
+#define STM32_HAS_OTG1 FALSE
+#define STM32_HAS_OTG2 FALSE
+/** @} */
+
+#endif /* _STM32_REGISTRY_H_ */
+
+/** @} */
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