diff options
Diffstat (limited to 'os')
| -rw-r--r-- | os/hal/hal.mk | 1 | ||||
| -rw-r--r-- | os/hal/include/gpt.h | 107 | ||||
| -rw-r--r-- | os/hal/include/hal.h | 1 | ||||
| -rw-r--r-- | os/hal/platforms/STM32/gpt_lld.c | 415 | ||||
| -rw-r--r-- | os/hal/platforms/STM32/gpt_lld.h | 264 | ||||
| -rw-r--r-- | os/hal/platforms/STM32/hal_lld.c | 6 | ||||
| -rw-r--r-- | os/hal/platforms/STM32/platform.mk | 1 | ||||
| -rw-r--r-- | os/hal/platforms/STM32/pwm_lld.c | 24 | ||||
| -rw-r--r-- | os/hal/platforms/STM32/usb_lld.c | 9 | ||||
| -rw-r--r-- | os/hal/platforms/STM32/usb_lld.h | 2 | ||||
| -rw-r--r-- | os/hal/src/gpt.c | 228 | ||||
| -rw-r--r-- | os/hal/src/hal.c | 3 | ||||
| -rw-r--r-- | os/hal/templates/adc_lld.c | 4 | ||||
| -rw-r--r-- | os/hal/templates/gpt_lld.c | 134 | ||||
| -rw-r--r-- | os/hal/templates/gpt_lld.h | 130 | ||||
| -rw-r--r-- | os/hal/templates/meta/driver.c | 20 | ||||
| -rw-r--r-- | os/hal/templates/meta/driver_lld.c | 6 | ||||
| -rw-r--r-- | os/hal/templates/meta/driver_lld.h | 4 | ||||
| -rw-r--r-- | os/hal/templates/usb_lld.c | 327 | ||||
| -rw-r--r-- | os/hal/templates/usb_lld.h | 305 |
20 files changed, 1954 insertions, 37 deletions
diff --git a/os/hal/hal.mk b/os/hal/hal.mk index 233ac66d1..49561ee8d 100644 --- a/os/hal/hal.mk +++ b/os/hal/hal.mk @@ -3,6 +3,7 @@ HALSRC = ${CHIBIOS}/os/hal/src/hal.c \
${CHIBIOS}/os/hal/src/adc.c \
${CHIBIOS}/os/hal/src/can.c \
+ ${CHIBIOS}/os/hal/src/gpt.c \
${CHIBIOS}/os/hal/src/i2c.c \
${CHIBIOS}/os/hal/src/mac.c \
${CHIBIOS}/os/hal/src/pal.c \
diff --git a/os/hal/include/gpt.h b/os/hal/include/gpt.h new file mode 100644 index 000000000..d4063cd6c --- /dev/null +++ b/os/hal/include/gpt.h @@ -0,0 +1,107 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file gpt.h
+ * @brief GPT Driver macros and structures.
+ *
+ * @addtogroup GPT
+ * @{
+ */
+
+#ifndef _GPT_H_
+#define _GPT_H_
+
+#if HAL_USE_GPT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @brief Enables synchronous APIs.
+ * @note Disabling this option saves both code and data space.
+ */
+#if !defined(GPT_USE_WAIT) || defined(__DOXYGEN__)
+#define GPT_USE_WAIT TRUE
+#endif
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if GPT_USE_WAIT && !CH_USE_SEMAPHORES
+#error "GPT driver requires CH_USE_SEMAPHORES when GPT_USE_WAIT is enabled"
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Driver state machine possible states.
+ */
+typedef enum {
+ GPT_UNINIT = 0, /**< Not initialized. */
+ GPT_STOP = 1, /**< Stopped. */
+ GPT_READY = 2, /**< Ready. */
+ GPT_CONTINUOUS = 3, /**< Active in continuous mode. */
+ GPT_ONESHOT = 4 /**< Active in one shot mode. */
+} gptstate_t;
+
+#include "gpt_lld.h"
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void gptInit(void);
+ void gptObjectInit(GPTDriver *gptp);
+ void gptStart(GPTDriver *gptp, const GPTConfig *config);
+ void gptStop(GPTDriver *gptp);
+ void gptStartContinuous(GPTDriver *gptp, gptcnt_t interval);
+ void gptStartContinuousI(GPTDriver *gptp, gptcnt_t interval);
+ void gptStartOneShot(GPTDriver *gptp, gptcnt_t interval);
+ void gptStartOneShotI(GPTDriver *gptp, gptcnt_t interval);
+ void gptStopTimer(GPTDriver *gptp);
+ void gptStopTimerI(GPTDriver *gptp);
+ void gptPolledDelay(GPTDriver *gptp, gptcnt_t interval);
+#if GPT_USE_WAIT
+ void gptDelay(GPTDriver *gptp, gptcnt_t interval);
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_GPT */
+
+#endif /* _GPT_H_ */
+
+/** @} */
diff --git a/os/hal/include/hal.h b/os/hal/include/hal.h index 822dafc35..7cb3a873e 100644 --- a/os/hal/include/hal.h +++ b/os/hal/include/hal.h @@ -36,6 +36,7 @@ #include "pal.h"
#include "adc.h"
#include "can.h"
+#include "gpt.h"
#include "i2c.h"
#include "mac.h"
#include "pwm.h"
diff --git a/os/hal/platforms/STM32/gpt_lld.c b/os/hal/platforms/STM32/gpt_lld.c new file mode 100644 index 000000000..1278400a1 --- /dev/null +++ b/os/hal/platforms/STM32/gpt_lld.c @@ -0,0 +1,415 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file STM32/gpt_lld.c
+ * @brief STM32 GPT subsystem low level driver source.
+ *
+ * @addtogroup GPT
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+#if HAL_USE_GPT || defined(__DOXYGEN__)
+
+/* There are differences in vector names in the ST header for devices
+ including TIM15, TIM16, TIM17.*/
+#if STM32_HAS_TIM15
+#define TIM1_BRK_IRQn TIM1_BRK_TIM15_IRQn
+#endif
+#if STM32_HAS_TIM16
+#define TIM1_UP_IRQn TIM1_UP_TIM16_IRQn
+#endif
+#if STM32_HAS_TIM17
+#define TIM1_TRG_COM_IRQn TIM1_TRG_COM_TIM17_IRQn
+#endif
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/**
+ * @brief GPT1 driver identifier.
+ * @note The driver GPT1 allocates the complex timer TIM1 when enabled.
+ */
+#if STM32_GPT_USE_TIM1 || defined(__DOXYGEN__)
+GPTDriver GPTD1;
+#endif
+
+/**
+ * @brief GPT2 driver identifier.
+ * @note The driver GPT2 allocates the timer TIM2 when enabled.
+ */
+#if STM32_GPT_USE_TIM2 || defined(__DOXYGEN__)
+GPTDriver GPTD2;
+#endif
+
+/**
+ * @brief GPT3 driver identifier.
+ * @note The driver GPT3 allocates the timer TIM3 when enabled.
+ */
+#if STM32_GPT_USE_TIM3 || defined(__DOXYGEN__)
+GPTDriver GPTD3;
+#endif
+
+/**
+ * @brief GPT4 driver identifier.
+ * @note The driver GPT4 allocates the timer TIM4 when enabled.
+ */
+#if STM32_GPT_USE_TIM4 || defined(__DOXYGEN__)
+GPTDriver GPTD4;
+#endif
+
+/**
+ * @brief GPT5 driver identifier.
+ * @note The driver GPT5 allocates the timer TIM5 when enabled.
+ */
+#if STM32_GPT_USE_TIM5 || defined(__DOXYGEN__)
+GPTDriver GPTD5;
+#endif
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Shared IRQ handler.
+ *
+ * @param[in] gptp pointer to a @p GPTDriver object
+ */
+static void gpt_lld_serve_interrupt(GPTDriver *gptp) {
+
+ gptp->tim->SR = 0;
+ if (gptp->state == GPT_ONESHOT) {
+ gptp->state = GPT_READY; /* Back in GPT_READY state. */
+ gpt_lld_stop_timer(gptp); /* Timer automatically stopped. */
+ }
+ gptp->config->callback(gptp);
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+#if STM32_GPT_USE_TIM1
+/**
+ * @brief TIM2 interrupt handler.
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(TIM1_UP_IRQHandler) {
+
+ CH_IRQ_PROLOGUE();
+
+ gpt_lld_serve_interrupt(&GPTD1);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif /* STM32_GPT_USE_TIM1 */
+
+#if STM32_GPT_USE_TIM2
+/**
+ * @brief TIM2 interrupt handler.
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(TIM2_IRQHandler) {
+
+ CH_IRQ_PROLOGUE();
+
+ gpt_lld_serve_interrupt(&GPTD2);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif /* STM32_GPT_USE_TIM2 */
+
+#if STM32_GPT_USE_TIM3
+/**
+ * @brief TIM3 interrupt handler.
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(TIM3_IRQHandler) {
+
+ CH_IRQ_PROLOGUE();
+
+ gpt_lld_serve_interrupt(&GPTD3);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif /* STM32_GPT_USE_TIM3 */
+
+#if STM32_GPT_USE_TIM4
+/**
+ * @brief TIM4 interrupt handler.
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(TIM4_IRQHandler) {
+
+ CH_IRQ_PROLOGUE();
+
+ gpt_lld_serve_interrupt(&GPTD4);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif /* STM32_GPT_USE_TIM4 */
+
+#if STM32_GPT_USE_TIM5
+/**
+ * @brief TIM5 interrupt handler.
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(TIM5_IRQHandler) {
+
+ CH_IRQ_PROLOGUE();
+
+ gpt_lld_serve_interrupt(&GPTD5);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif /* STM32_GPT_USE_TIM5 */
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level GPT driver initialization.
+ *
+ * @notapi
+ */
+void gpt_lld_init(void) {
+
+#if STM32_GPT_USE_TIM1
+ /* Driver initialization.*/
+ GPTD1.tim = TIM1;
+ gptObjectInit(&GPTD1);
+#endif
+
+#if STM32_GPT_USE_TIM2
+ /* Driver initialization.*/
+ GPTD2.tim = TIM2;
+ gptObjectInit(&GPTD2);
+#endif
+
+#if STM32_GPT_USE_TIM3
+ /* Driver initialization.*/
+ GPTD3.tim = TIM3;
+ gptObjectInit(&GPTD3);
+#endif
+
+#if STM32_GPT_USE_TIM4
+ /* Driver initialization.*/
+ GPTD4.tim = TIM4;
+ gptObjectInit(&GPTD4);
+#endif
+
+#if STM32_GPT_USE_TIM5
+ /* Driver initialization.*/
+ GPTD5.tim = TIM5;
+ gptObjectInit(&GPTD5);
+#endif
+}
+
+/**
+ * @brief Configures and activates the GPT peripheral.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ *
+ * @notapi
+ */
+void gpt_lld_start(GPTDriver *gptp) {
+ uint16_t psc;
+
+ if (gptp->state == GPT_STOP) {
+ /* Clock activation.*/
+#if STM32_GPT_USE_TIM1
+ if (&GPTD1 == gptp) {
+ RCC->APB2ENR |= RCC_APB2ENR_TIM1EN;
+ RCC->APB2RSTR = RCC_APB2RSTR_TIM1RST;
+ RCC->APB2RSTR = 0;
+ NVICEnableVector(TIM1_UP_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_GPT_TIM1_IRQ_PRIORITY));
+ gptp->clock = STM32_TIMCLK2;
+ }
+#endif
+#if STM32_GPT_USE_TIM2
+ if (&GPTD2 == gptp) {
+ RCC->APB1ENR |= RCC_APB1ENR_TIM2EN;
+ RCC->APB1RSTR = RCC_APB1RSTR_TIM2RST;
+ RCC->APB1RSTR = 0;
+ NVICEnableVector(TIM2_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_GPT_TIM2_IRQ_PRIORITY));
+ gptp->clock = STM32_TIMCLK1;
+ }
+#endif
+#if STM32_GPT_USE_TIM3
+ if (&GPTD3 == gptp) {
+ RCC->APB1ENR |= RCC_APB1ENR_TIM3EN;
+ RCC->APB1RSTR = RCC_APB1RSTR_TIM3RST;
+ RCC->APB1RSTR = 0;
+ NVICEnableVector(TIM3_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_GPT_TIM3_IRQ_PRIORITY));
+ gptp->clock = STM32_TIMCLK1;
+ }
+#endif
+#if STM32_GPT_USE_TIM4
+ if (&GPTD4 == gptp) {
+ RCC->APB1ENR |= RCC_APB1ENR_TIM4EN;
+ RCC->APB1RSTR = RCC_APB1RSTR_TIM4RST;
+ RCC->APB1RSTR = 0;
+ NVICEnableVector(TIM4_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_GPT_TIM4_IRQ_PRIORITY));
+ gptp->clock = STM32_TIMCLK1;
+ }
+#endif
+
+#if STM32_GPT_USE_TIM5
+ if (&GPTD5 == gptp) {
+ RCC->APB1ENR |= RCC_APB1ENR_TIM5EN;
+ RCC->APB1RSTR = RCC_APB1RSTR_TIM5RST;
+ RCC->APB1RSTR = 0;
+ NVICEnableVector(TIM5_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_GPT_TIM5_IRQ_PRIORITY));
+ gptp->clock = STM32_TIMCLK1;
+ }
+#endif
+ }
+
+ /* Prescaler value calculation.*/
+ psc = (uint16_t)((gptp->clock / gptp->config->frequency) - 1);
+ chDbgAssert(((uint32_t)(psc + 1) * gptp->config->frequency) == gptp->clock,
+ "gpt_lld_start(), #1", "invalid frequency");
+
+ /* Timer configuration.*/
+ gptp->tim->CR1 = 0; /* Initially stopped. */
+ gptp->tim->CR2 = TIM_CR2_CCDS; /* DMA on UE (if any). */
+ gptp->tim->PSC = psc; /* Prescaler value. */
+ gptp->tim->DIER = 0;
+}
+
+/**
+ * @brief Deactivates the GPT peripheral.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ *
+ * @notapi
+ */
+void gpt_lld_stop(GPTDriver *gptp) {
+
+ if (gptp->state == GPT_READY) {
+ gptp->tim->CR1 = 0; /* Timer disabled. */
+ gptp->tim->DIER = 0; /* All IRQs disabled. */
+
+#if STM32_GPT_USE_TIM1
+ if (&GPTD1 == gptp) {
+ NVICDisableVector(TIM1_UP_IRQn);
+ RCC->APB2ENR &= ~RCC_APB2ENR_TIM1EN;
+ }
+#endif
+#if STM32_GPT_USE_TIM2
+ if (&GPTD2 == gptp) {
+ NVICDisableVector(TIM2_IRQn);
+ RCC->APB1ENR &= ~RCC_APB1ENR_TIM2EN;
+ }
+#endif
+#if STM32_GPT_USE_TIM3
+ if (&GPTD3 == gptp) {
+ NVICDisableVector(TIM3_IRQn);
+ RCC->APB1ENR &= ~RCC_APB1ENR_TIM3EN;
+ }
+#endif
+#if STM32_GPT_USE_TIM4
+ if (&GPTD4 == gptp) {
+ NVICDisableVector(TIM4_IRQn);
+ RCC->APB1ENR &= ~RCC_APB1ENR_TIM4EN;
+ }
+#endif
+#if STM32_GPT_USE_TIM5
+ if (&GPTD5 == gptp) {
+ NVICDisableVector(TIM5_IRQn);
+ RCC->APB1ENR &= ~RCC_APB1ENR_TIM5EN;
+ }
+#endif
+ }
+}
+
+/**
+ * @brief Starts the timer in continuous mode.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ * @param[in] interval period in ticks
+ *
+ * @notapi
+ */
+void gpt_lld_start_timer(GPTDriver *gptp, gptcnt_t interval) {
+
+ gptp->tim->ARR = interval - 1; /* Time constant. */
+ gptp->tim->EGR = TIM_EGR_UG; /* Update event. */
+ gptp->tim->SR = 0; /* Clear pending IRQs (if any). */
+ gptp->tim->DIER = TIM_DIER_UIE; /* Update Event IRQ enabled. */
+ gptp->tim->CR1 = TIM_CR1_URS | TIM_CR1_CEN;
+}
+
+/**
+ * @brief Stops the timer.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ *
+ * @notapi
+ */
+void gpt_lld_stop_timer(GPTDriver *gptp) {
+
+ gptp->tim->CR1 = 0; /* Initially stopped. */
+ gptp->tim->SR = 0; /* Clear pending IRQs (if any). */
+ gptp->tim->DIER = 0; /* Interrupts disabled. */
+}
+
+/**
+ * @brief Starts the timer in one shot mode and waits for completion.
+ * @details This function specifically polls the timer waiting for completion
+ * in order to not have extra delays caused by interrupt servicing,
+ * this function is only recommended for short delays.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ * @param[in] interval time interval in ticks
+ *
+ * @notapi
+ */
+void gpt_lld_polled_delay(GPTDriver *gptp, gptcnt_t interval) {
+
+ gptp->tim->ARR = interval - 1; /* Time constant. */
+ gptp->tim->EGR = TIM_EGR_UG; /* Update event. */
+ gptp->tim->SR = 0; /* Clear pending IRQs (if any). */
+ gptp->tim->CR1 = TIM_CR1_OPM | TIM_CR1_URS | TIM_CR1_CEN;
+ while (!(gptp->tim->SR & TIM_SR_UIF))
+ ;
+}
+
+#endif /* HAL_USE_GPT */
+
+/** @} */
diff --git a/os/hal/platforms/STM32/gpt_lld.h b/os/hal/platforms/STM32/gpt_lld.h new file mode 100644 index 000000000..1eb67318b --- /dev/null +++ b/os/hal/platforms/STM32/gpt_lld.h @@ -0,0 +1,264 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file STM32/gpt_lld.h
+ * @brief STM32 GPT subsystem low level driver header.
+ *
+ * @addtogroup GPT
+ * @{
+ */
+
+#ifndef _GPT_LLD_H_
+#define _GPT_LLD_H_
+
+#if HAL_USE_GPT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @brief GPT1 driver enable switch.
+ * @details If set to @p TRUE the support for GPT1 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM1) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM1 TRUE
+#endif
+
+/**
+ * @brief GPT2 driver enable switch.
+ * @details If set to @p TRUE the support for GPT2 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM2) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM2 TRUE
+#endif
+
+/**
+ * @brief GPT3 driver enable switch.
+ * @details If set to @p TRUE the support for GPT3 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM3) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM3 TRUE
+#endif
+
+/**
+ * @brief GPT4 driver enable switch.
+ * @details If set to @p TRUE the support for GPT4 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM4) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM4 TRUE
+#endif
+
+/**
+ * @brief GPT5 driver enable switch.
+ * @details If set to @p TRUE the support for GPT5 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM5) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM5 TRUE
+#endif
+
+/**
+ * @brief GPT1 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM1_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM1_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPT2 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM2_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM2_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPT3 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM3_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM3_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPT4 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM4_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM4_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPT5 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM5_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM5_IRQ_PRIORITY 7
+#endif
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if STM32_GPT_USE_TIM1 && !STM32_HAS_TIM1
+#error "TIM1 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM2 && !STM32_HAS_TIM2
+#error "TIM2 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM3 && !STM32_HAS_TIM3
+#error "TIM3 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM4 && !STM32_HAS_TIM4
+#error "TIM4 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM5 && !STM32_HAS_TIM5
+#error "TIM5 not present in the selected device"
+#endif
+
+#if !STM32_GPT_USE_TIM1 && !STM32_GPT_USE_TIM2 && \
+ !STM32_GPT_USE_TIM3 && !STM32_GPT_USE_TIM4 && \
+ !STM32_GPT_USE_TIM5
+#error "GPT driver activated but no TIM peripheral assigned"
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief GPT frequency type.
+ */
+typedef uint32_t gptfreq_t;
+
+/**
+ * @brief GPT counter type.
+ */
+typedef uint16_t gptcnt_t;
+
+/**
+ * @brief Type of a structure representing a GPT driver.
+ */
+typedef struct GPTDriver GPTDriver;
+
+/**
+ * @brief GPT notification callback type.
+ *
+ * @param[in] gptp pointer to a @p GPTDriver object
+ */
+typedef void (*gptcallback_t)(GPTDriver *gptp);
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+typedef struct {
+ /**
+ * @brief Timer clock in Hz.
+ * @note The low level can use assertions in order to catch invalid
+ * frequency specifications.
+ */
+ gptfreq_t frequency;
+ /**
+ * @brief Timer callback pointer.
+ * @note This callback is invoked on GPT counter events.
+ */
+ gptcallback_t callback;
+ /* End of the mandatory fields.*/
+} GPTConfig;
+
+/**
+ * @brief Structure representing a GPT driver.
+ */
+struct GPTDriver {
+ /**
+ * @brief Driver state.
+ */
+ gptstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const GPTConfig *config;
+ /* End of the mandatory fields.*/
+ /**
+ * @brief Timer base clock.
+ */
+ uint32_t clock;
+ /**
+ * @brief Pointer to the TIMx registers block.
+ */
+ TIM_TypeDef *tim;
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if STM32_GPT_USE_TIM1 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD1;
+#endif
+
+#if STM32_GPT_USE_TIM2 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD2;
+#endif
+
+#if STM32_GPT_USE_TIM3 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD3;
+#endif
+
+#if STM32_GPT_USE_TIM4 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD4;
+#endif
+
+#if STM32_GPT_USE_TIM5 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD5;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void gpt_lld_init(void);
+ void gpt_lld_start(GPTDriver *gptp);
+ void gpt_lld_stop(GPTDriver *gptp);
+ void gpt_lld_start_timer(GPTDriver *gptp, gptcnt_t period);
+ void gpt_lld_stop_timer(GPTDriver *gptp);
+ void gpt_lld_polled_delay(GPTDriver *gptp, gptcnt_t interval);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_GPT */
+
+#endif /* _GPT_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/platforms/STM32/hal_lld.c b/os/hal/platforms/STM32/hal_lld.c index 8d8322033..cbbdf1587 100644 --- a/os/hal/platforms/STM32/hal_lld.c +++ b/os/hal/platforms/STM32/hal_lld.c @@ -57,6 +57,12 @@ */
void hal_lld_init(void) {
+ /* Reset of all the peripherals.*/
+ RCC->APB1RSTR = 0xFFFFFFFF;
+ RCC->APB2RSTR = 0xFFFFFFFF;
+ RCC->APB1RSTR = 0;
+ RCC->APB2RSTR = 0;
+
/* SysTick initialization using the system clock.*/
SysTick->LOAD = STM32_HCLK / CH_FREQUENCY - 1;
SysTick->VAL = 0;
diff --git a/os/hal/platforms/STM32/platform.mk b/os/hal/platforms/STM32/platform.mk index ceadcea62..469b85c79 100644 --- a/os/hal/platforms/STM32/platform.mk +++ b/os/hal/platforms/STM32/platform.mk @@ -2,6 +2,7 @@ PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/STM32/hal_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/adc_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/can_lld.c \
+ ${CHIBIOS}/os/hal/platforms/STM32/gpt_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/pal_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/pwm_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/serial_lld.c \
diff --git a/os/hal/platforms/STM32/pwm_lld.c b/os/hal/platforms/STM32/pwm_lld.c index f78896e95..a101b284a 100644 --- a/os/hal/platforms/STM32/pwm_lld.c +++ b/os/hal/platforms/STM32/pwm_lld.c @@ -101,6 +101,8 @@ PWMDriver PWMD5; * @note It is assumed that the various sources are only activated if the
* associated callback pointer is not equal to @p NULL in order to not
* perform an extra check in a potentially critical interrupt handler.
+ *
+ * @param[in] pwmp pointer to a @p PWMDriver object
*/
static void serve_interrupt(PWMDriver *pwmp) {
uint16_t sr;
@@ -249,10 +251,6 @@ CH_IRQ_HANDLER(TIM5_IRQHandler) { void pwm_lld_init(void) {
#if STM32_PWM_USE_TIM1
- /* TIM1 reset, ensures reset state in order to avoid trouble with JTAGs.*/
- RCC->APB2RSTR = RCC_APB2RSTR_TIM1RST;
- RCC->APB2RSTR = 0;
-
/* Driver initialization.*/
pwmObjectInit(&PWMD1);
PWMD1.pd_enabled_channels = 0;
@@ -260,10 +258,6 @@ void pwm_lld_init(void) { #endif
#if STM32_PWM_USE_TIM2
- /* TIM2 reset, ensures reset state in order to avoid trouble with JTAGs.*/
- RCC->APB1RSTR = RCC_APB1RSTR_TIM2RST;
- RCC->APB1RSTR = 0;
-
/* Driver initialization.*/
pwmObjectInit(&PWMD2);
PWMD2.pd_enabled_channels = 0;
@@ -271,10 +265,6 @@ void pwm_lld_init(void) { #endif
#if STM32_PWM_USE_TIM3
- /* TIM2 reset, ensures reset state in order to avoid trouble with JTAGs.*/
- RCC->APB1RSTR = RCC_APB1RSTR_TIM3RST;
- RCC->APB1RSTR = 0;
-
/* Driver initialization.*/
pwmObjectInit(&PWMD3);
PWMD3.pd_enabled_channels = 0;
@@ -282,10 +272,6 @@ void pwm_lld_init(void) { #endif
#if STM32_PWM_USE_TIM4
- /* TIM2 reset, ensures reset state in order to avoid trouble with JTAGs.*/
- RCC->APB1RSTR = RCC_APB1RSTR_TIM4RST;
- RCC->APB1RSTR = 0;
-
/* Driver initialization.*/
pwmObjectInit(&PWMD4);
PWMD4.pd_enabled_channels = 0;
@@ -293,10 +279,6 @@ void pwm_lld_init(void) { #endif
#if STM32_PWM_USE_TIM5
- /* TIM2 reset, ensures reset state in order to avoid trouble with JTAGs.*/
- RCC->APB1RSTR = RCC_APB1RSTR_TIM5RST;
- RCC->APB1RSTR = 0;
-
/* Driver initialization.*/
pwmObjectInit(&PWMD5);
PWMD5.pd_enabled_channels = 0;
@@ -368,7 +350,6 @@ void pwm_lld_start(PWMDriver *pwmp) { }
#endif
-
/* All channels configured in PWM1 mode with preload enabled and will
stay that way until the driver is stopped.*/
pwmp->pd_tim->CCMR1 = TIM_CCMR1_OC1M_1 | TIM_CCMR1_OC1M_2 |
@@ -448,6 +429,7 @@ void pwm_lld_start(PWMDriver *pwmp) { * @notapi
*/
void pwm_lld_stop(PWMDriver *pwmp) {
+
/* If in ready state then disables the PWM clock.*/
if (pwmp->pd_state == PWM_READY) {
pwmp->pd_enabled_channels = 0; /* All channels disabled. */
diff --git a/os/hal/platforms/STM32/usb_lld.c b/os/hal/platforms/STM32/usb_lld.c index eb3d6ab7a..ecd183171 100644 --- a/os/hal/platforms/STM32/usb_lld.c +++ b/os/hal/platforms/STM32/usb_lld.c @@ -29,7 +29,6 @@ #include "ch.h"
#include "hal.h"
-#include "usb.h"
#if HAL_USE_USB || defined(__DOXYGEN__)
@@ -513,6 +512,10 @@ void usb_lld_disable_endpoints(USBDriver *usbp) { *
* @param[in] usbp pointer to the @p USBDriver object
* @param[in] ep endpoint number
+ * @return The endpoint status.
+ * @retval EP_STATUS_DISABLED The endpoint is not active.
+ * @retval EP_STATUS_STALLED The endpoint is stalled.
+ * @retval EP_STATUS_ACTIVE The endpoint is active.
*
* @notapi
*/
@@ -534,6 +537,10 @@ usbepstatus_t usb_lld_get_status_out(USBDriver *usbp, usbep_t ep) { *
* @param[in] usbp pointer to the @p USBDriver object
* @param[in] ep endpoint number
+ * @return The endpoint status.
+ * @retval EP_STATUS_DISABLED The endpoint is not active.
+ * @retval EP_STATUS_STALLED The endpoint is stalled.
+ * @retval EP_STATUS_ACTIVE The endpoint is active.
*
* @notapi
*/
diff --git a/os/hal/platforms/STM32/usb_lld.h b/os/hal/platforms/STM32/usb_lld.h index a505e3e08..9c4c899b3 100644 --- a/os/hal/platforms/STM32/usb_lld.h +++ b/os/hal/platforms/STM32/usb_lld.h @@ -296,7 +296,7 @@ struct USBDriver { *
* @notapi
*/
-#define usb_lld_fetch_word(p) (*(uint16_t *)p)
+#define usb_lld_fetch_word(p) (*(uint16_t *)(p))
/**
* @brief Returns the current frame number.
diff --git a/os/hal/src/gpt.c b/os/hal/src/gpt.c new file mode 100644 index 000000000..5027079cf --- /dev/null +++ b/os/hal/src/gpt.c @@ -0,0 +1,228 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file gpt.c
+ * @brief GPT Driver code.
+ *
+ * @addtogroup GPT
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+#if HAL_USE_GPT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief GPT Driver initialization.
+ * @note This function is implicitly invoked by @p halInit(), there is
+ * no need to explicitly initialize the driver.
+ *
+ * @init
+ */
+void gptInit(void) {
+
+ gpt_lld_init();
+}
+
+/**
+ * @brief Initializes the standard part of a @p GPTDriver structure.
+ *
+ * @param[out] gptp pointer to the @p GPTDriver object
+ *
+ * @init
+ */
+void gptObjectInit(GPTDriver *gptp) {
+
+ gptp->state = GPT_STOP;
+ gptp->config = NULL;
+}
+
+/**
+ * @brief Configures and activates the GPT peripheral.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ * @param[in] config pointer to the @p GPTConfig object
+ *
+ * @api
+ */
+void gptStart(GPTDriver *gptp, const GPTConfig *config) {
+
+ chDbgCheck((gptp != NULL) && (config != NULL), "ptStart");
+
+ chSysLock();
+ chDbgAssert((gptp->state == GPT_STOP) || (gptp->state == GPT_READY),
+ "gptStart(), #1", "invalid state");
+ gptp->config = config;
+ gpt_lld_start(gptp);
+ gptp->state = GPT_READY;
+ chSysUnlock();
+}
+
+/**
+ * @brief Deactivates the GPT peripheral.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ *
+ * @api
+ */
+void gptStop(GPTDriver *gptp) {
+
+ chDbgCheck(gptp != NULL, "gptStop");
+
+ chSysLock();
+ chDbgAssert((gptp->state == GPT_STOP) || (gptp->state == GPT_READY),
+ "gptStop(), #1", "invalid state");
+ gpt_lld_stop(gptp);
+ gptp->state = GPT_STOP;
+ chSysUnlock();
+}
+
+/**
+ * @brief Starts the timer in continuous mode.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ * @param[in] interval period in ticks
+ *
+ * @api
+ */
+void gptStartContinuous(GPTDriver *gptp, gptcnt_t interval) {
+
+ chSysLock();
+ gptStartContinuousI(gptp, interval);
+ chSysUnlock();
+}
+
+/**
+ * @brief Starts the timer in continuous mode.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ * @param[in] interval period in ticks
+ *
+ * @iclass
+ */
+void gptStartContinuousI(GPTDriver *gptp, gptcnt_t interval) {
+
+ chDbgAssert(gptp->state == GPT_READY,
+ "gptStartContinuousI(), #1", "invalid state");
+ gptp->state = GPT_CONTINUOUS;
+ gpt_lld_start_timer(gptp, interval);
+}
+
+/**
+ * @brief Starts the timer in one shot mode.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ * @param[in] interval time interval in ticks
+ *
+ * @api
+ */
+void gptStartOneShot(GPTDriver *gptp, gptcnt_t interval) {
+
+ chSysLock();
+ gptStartOneShotI(gptp, interval);
+ chSysUnlock();
+}
+
+/**
+ * @brief Starts the timer in one shot mode.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ * @param[in] interval time interval in ticks
+ *
+ * @api
+ */
+void gptStartOneShotI(GPTDriver *gptp, gptcnt_t interval) {
+
+ chDbgAssert(gptp->state == GPT_READY,
+ "gptStartOneShotI(), #1", "invalid state");
+ gptp->state = GPT_ONESHOT;
+ gpt_lld_start_timer(gptp, interval);
+}
+
+/**
+ * @brief Stops the timer.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ *
+ * @api
+ */
+void gptStopTimer(GPTDriver *gptp) {
+
+ chSysLock();
+ gptStopTimerI(gptp);
+ chSysUnlock();
+}
+
+/**
+ * @brief Stops the timer.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ *
+ * @api
+ */
+void gptStopTimerI(GPTDriver *gptp) {
+
+ chDbgAssert((gptp->state == GPT_READY) || (gptp->state == GPT_CONTINUOUS) ||
+ (gptp->state == GPT_ONESHOT),
+ "gptStopTimerI(), #1", "invalid state");
+ gptp->state = GPT_READY;
+ gpt_lld_stop_timer(gptp);
+}
+
+/**
+ * @brief Starts the timer in one shot mode and waits for completion.
+ * @details This function specifically polls the timer waiting for completion
+ * in order to not have extra delays caused by interrupt servicing,
+ * this function is only recommended for short delays.
+ * @note The configured callback is not invoked when using this function.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ * @param[in] interval time interval in ticks
+ *
+ * @api
+ */
+void gptPolledDelay(GPTDriver *gptp, gptcnt_t interval) {
+
+ chDbgAssert(gptp->state == GPT_READY,
+ "gptPolledDelay(), #1", "invalid state");
+ gptp->state = GPT_ONESHOT;
+ gpt_lld_polled_delay(gptp, interval);
+}
+
+#endif /* HAL_USE_GPT */
+
+/** @} */
diff --git a/os/hal/src/hal.c b/os/hal/src/hal.c index bfbaa3e84..d33dff30a 100644 --- a/os/hal/src/hal.c +++ b/os/hal/src/hal.c @@ -66,6 +66,9 @@ void halInit(void) { #if HAL_USE_CAN || defined(__DOXYGEN__)
canInit();
#endif
+#if HAL_USE_GPT || defined(__DOXYGEN__)
+ gptInit();
+#endif
#if HAL_USE_I2C || defined(__DOXYGEN__)
i2cInit();
#endif
diff --git a/os/hal/templates/adc_lld.c b/os/hal/templates/adc_lld.c index 54622beb7..6c541f557 100644 --- a/os/hal/templates/adc_lld.c +++ b/os/hal/templates/adc_lld.c @@ -83,6 +83,10 @@ void adc_lld_start(ADCDriver *adcp) { */
void adc_lld_stop(ADCDriver *adcp) {
+ if (adcp->ad_state == ADC_READY) {
+ /* Clock de-activation.*/
+
+ }
}
/**
diff --git a/os/hal/templates/gpt_lld.c b/os/hal/templates/gpt_lld.c new file mode 100644 index 000000000..edb6c5ba1 --- /dev/null +++ b/os/hal/templates/gpt_lld.c @@ -0,0 +1,134 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file templates/gpt_lld.c
+ * @brief GPT Driver subsystem low level driver source template.
+ *
+ * @addtogroup GPT
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+#if HAL_USE_GPT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level GPT driver initialization.
+ *
+ * @notapi
+ */
+void gpt_lld_init(void) {
+
+}
+
+/**
+ * @brief Configures and activates the GPT peripheral.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ *
+ * @notapi
+ */
+void gpt_lld_start(GPTDriver *gptp) {
+ uint16_t psc;
+
+ if (gptp->state == GPT_STOP) {
+ /* Clock activation.*/
+
+ }
+ /* Configuration.*/
+}
+
+/**
+ * @brief Deactivates the GPT peripheral.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ *
+ * @notapi
+ */
+void gpt_lld_stop(GPTDriver *gptp) {
+
+ if (gptp->state == GPT_READY) {
+ /* Clock de-activation.*/
+
+ }
+}
+
+/**
+ * @brief Starts the timer in continuous mode.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ * @param[in] period period in ticks
+ *
+ * @notapi
+ */
+void gpt_lld_start_timer(GPTDriver *gptp, gptcnt_t period) {
+
+}
+
+/**
+ * @brief Stops the timer.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ *
+ * @notapi
+ */
+void gpt_lld_stop_timer(GPTDriver *gptp) {
+
+}
+
+/**
+ * @brief Starts the timer in one shot mode and waits for completion.
+ * @details This function specifically polls the timer waiting for completion
+ * in order to not have extra delays caused by interrupt servicing,
+ * this function is only recommended for short delays.
+ *
+ * @param[in] gptp pointer to the @p GPTDriver object
+ * @param[in] interval time interval in ticks
+ *
+ * @notapi
+ */
+void gpt_lld_polled_delay(GPTDriver *gptp, gptcnt_t interval) {
+
+}
+
+#endif /* HAL_USE_GPT */
+
+/** @} */
diff --git a/os/hal/templates/gpt_lld.h b/os/hal/templates/gpt_lld.h new file mode 100644 index 000000000..6f8d67d66 --- /dev/null +++ b/os/hal/templates/gpt_lld.h @@ -0,0 +1,130 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file templates/gpt_lld.h
+ * @brief GPT Driver subsystem low level driver header template.
+ *
+ * @addtogroup GPT
+ * @{
+ */
+
+#ifndef _GPT_LLD_H_
+#define _GPT_LLD_H_
+
+#if HAL_USE_GPT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief GPT frequency type.
+ */
+typedef uint32_t gptfreq_t;
+
+/**
+ * @brief GPT counter type.
+ */
+typedef uint16_t gptcnt_t;
+
+/**
+ * @brief Type of a structure representing a GPT driver.
+ */
+typedef struct GPTDriver GPTDriver;
+
+/**
+ * @brief GPT notification callback type.
+ *
+ * @param[in] gptp pointer to a @p GPTDriver object
+ */
+typedef void (*gptcallback_t)(GPTDriver *gptp);
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+typedef struct {
+ /**
+ * @brief Timer clock in Hz.
+ * @note The low level can use assertions in order to catch invalid
+ * frequency specifications.
+ */
+ gptfreq_t frequency;
+ /**
+ * @brief Timer callback pointer.
+ * @note This callback is invoked on GPT counter events.
+ */
+ gptcallback_t callback;
+ /* End of the mandatory fields.*/
+} GPTConfig;
+
+/**
+ * @brief Structure representing a GPT driver.
+ */
+struct GPTDriver {
+ /**
+ * @brief Driver state.
+ */
+ gptstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const GPTConfig *config;
+ /* End of the mandatory fields.*/
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void gpt_lld_init(void);
+ void gpt_lld_start(GPTDriver *gptp);
+ void gpt_lld_stop(GPTDriver *gptp);
+ void gpt_lld_start_timer(GPTDriver *gptp, gptcnt_t interval);
+ void gpt_lld_stop_timer(GPTDriver *gptp);
+ void gpt_lld_polled_delay(GPTDriver *gptp, gptcnt_t interval);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_GPT */
+
+#endif /* _GPT_LLD_H_ */
+
+/** @} */
diff --git a/os/hal/templates/meta/driver.c b/os/hal/templates/meta/driver.c index f75c5d380..52d448126 100644 --- a/os/hal/templates/meta/driver.c +++ b/os/hal/templates/meta/driver.c @@ -67,8 +67,8 @@ void xxxInit(void) { */
void xxxObjectInit(XXXDriver *xxxp) {
- xxxp->xxx_state = XXX_STOP;
- xxxp->xxx_config = NULL;
+ xxxp->state = XXX_STOP;
+ xxxp->config = NULL;
}
/**
@@ -84,12 +84,11 @@ void xxxStart(XXXDriver *xxxp, const XXXConfig *config) { chDbgCheck((xxxp != NULL) && (config != NULL), "xxxStart");
chSysLock();
- chDbgAssert((xxxp->xxx_state == XXX_STOP) || (xxxp->xxx_state == XXX_READY),
- "xxxStart(), #1",
- "invalid state");
- xxxp->xxx_config = config;
+ chDbgAssert((xxxp->state == XXX_STOP) || (xxxp->state == XXX_READY),
+ "xxxStart(), #1", "invalid state");
+ xxxp->config = config;
xxx_lld_start(xxxp);
- xxxp->xxx_state = XXX_READY;
+ xxxp->state = XXX_READY;
chSysUnlock();
}
@@ -105,11 +104,10 @@ void xxxStop(XXXDriver *xxxp) { chDbgCheck(xxxp != NULL, "xxxStop");
chSysLock();
- chDbgAssert((xxxp->xxx_state == XXX_STOP) || (xxxp->xxx_state == XXX_READY),
- "xxxStop(), #1",
- "invalid state");
+ chDbgAssert((xxxp->state == XXX_STOP) || (xxxp->state == XXX_READY),
+ "xxxStop(), #1", "invalid state");
xxx_lld_stop(xxxp);
- xxxp->xxx_state = XXX_STOP;
+ xxxp->state = XXX_STOP;
chSysUnlock();
}
diff --git a/os/hal/templates/meta/driver_lld.c b/os/hal/templates/meta/driver_lld.c index 051dfac03..c548ccd8a 100644 --- a/os/hal/templates/meta/driver_lld.c +++ b/os/hal/templates/meta/driver_lld.c @@ -68,7 +68,7 @@ void xxx_lld_init(void) { */
void xxx_lld_start(XXXDriver *xxxp) {
- if (xxxp->xxx_state == XXX_STOP) {
+ if (xxxp->state == XXX_STOP) {
/* Clock activation.*/
}
/* Configuration.*/
@@ -83,6 +83,10 @@ void xxx_lld_start(XXXDriver *xxxp) { */
void xxx_lld_stop(XXXDriver *xxxp) {
+ if (xxxp->state == XXX_READY) {
+ /* Clock deactivation.*/
+
+ }
}
#endif /* HAL_USE_XXX */
diff --git a/os/hal/templates/meta/driver_lld.h b/os/hal/templates/meta/driver_lld.h index 7d75bbaea..a30b54921 100644 --- a/os/hal/templates/meta/driver_lld.h +++ b/os/hal/templates/meta/driver_lld.h @@ -67,11 +67,11 @@ struct XXXDriver { /**
* @brief Driver state.
*/
- xxxstate_t xxx_state;
+ xxxstate_t state;
/**
* @brief Current configuration data.
*/
- const XXXConfig *xxx_config;
+ const XXXConfig *config;
/* End of the mandatory fields.*/
};
diff --git a/os/hal/templates/usb_lld.c b/os/hal/templates/usb_lld.c new file mode 100644 index 000000000..d2750d2e5 --- /dev/null +++ b/os/hal/templates/usb_lld.c @@ -0,0 +1,327 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file templates/usb_lld.c
+ * @brief USB Driver subsystem low level driver source template.
+ *
+ * @addtogroup USB
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+#if HAL_USE_USB || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/**
+ * @brief EP0 state.
+ * @note It is an union because IN and OUT endpoints are never used at the
+ * same time for EP0.
+ */
+static union {
+ /**
+ * @brief IN EP0 state.
+ */
+ USBInEndpointState in;
+ /**
+ * @brief OUT EP0 state.
+ */
+ USBOutEndpointState out;
+} ep0_state;
+
+/**
+ * @brief EP0 initialization structure.
+ */
+static const USBEndpointConfig ep0config = {
+ USB_EP_MODE_TYPE_CTRL | USB_EP_MODE_TRANSACTION,
+ _usb_ep0in,
+ _usb_ep0out,
+ 0x40,
+ 0x40,
+ &ep0_state.in,
+ &ep0_state.out
+};
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level USB driver initialization.
+ *
+ * @notapi
+ */
+void usb_lld_init(void) {
+
+}
+
+/**
+ * @brief Configures and activates the USB peripheral.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ *
+ * @notapi
+ */
+void usb_lld_start(USBDriver *usbp) {
+
+ if (usbp->state == USB_STOP) {
+ /* Clock activation.*/
+
+ /* Reset procedure enforced on driver start.*/
+ _usb_reset(usbp);
+ }
+ /* Configuration.*/
+}
+
+/**
+ * @brief Deactivates the USB peripheral.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ *
+ * @notapi
+ */
+void usb_lld_stop(USBDriver *usbp) {
+
+ /* If in ready state then disables the USB clock.*/
+ if (usbp->state == USB_STOP) {
+
+ }
+}
+
+/**
+ * @brief USB low level reset routine.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ *
+ * @notapi
+ */
+void usb_lld_reset(USBDriver *usbp) {
+
+ /* Post reset initialization.*/
+
+ /* EP0 initialization.*/
+ usbp->epc[0] = &ep0config;
+ usb_lld_init_endpoint(usbp, 0);
+}
+
+/**
+ * @brief Sets the USB address.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ *
+ * @notapi
+ */
+void usb_lld_set_address(USBDriver *usbp) {
+
+}
+
+/**
+ * @brief Enables an endpoint.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ *
+ * @notapi
+ */
+void usb_lld_init_endpoint(USBDriver *usbp, usbep_t ep) {
+
+}
+
+/**
+ * @brief Disables all the active endpoints except the endpoint zero.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ *
+ * @notapi
+ */
+void usb_lld_disable_endpoints(USBDriver *usbp) {
+
+}
+
+/**
+ * @brief Returns the status of an OUT endpoint.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ * @return The endpoint status.
+ * @retval EP_STATUS_DISABLED The endpoint is not active.
+ * @retval EP_STATUS_STALLED The endpoint is stalled.
+ * @retval EP_STATUS_ACTIVE The endpoint is active.
+ *
+ * @notapi
+ */
+usbepstatus_t usb_lld_get_status_out(USBDriver *usbp, usbep_t ep) {
+
+}
+
+/**
+ * @brief Returns the status of an IN endpoint.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ * @return The endpoint status.
+ * @retval EP_STATUS_DISABLED The endpoint is not active.
+ * @retval EP_STATUS_STALLED The endpoint is stalled.
+ * @retval EP_STATUS_ACTIVE The endpoint is active.
+ *
+ * @notapi
+ */
+usbepstatus_t usb_lld_get_status_in(USBDriver *usbp, usbep_t ep) {
+
+}
+
+/**
+ * @brief Reads a packet from the dedicated packet buffer.
+ * @pre In order to use this function he endpoint must have been
+ * initialized in packet mode.
+ * @post The endpoint is ready to accept another packet.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ * @param[out] buf buffer where to copy the packet data
+ * @param[in] n maximum number of bytes to copy. This value must
+ * not exceed the maximum packet size for this endpoint.
+ * @return The received packet size regardless the specified
+ * @p n parameter.
+ * @retval 0 Zero size packet received.
+ *
+ * @notapi
+ */
+size_t usb_lld_read_packet(USBDriver *usbp, usbep_t ep,
+ uint8_t *buf, size_t n) {
+
+}
+
+/**
+ * @brief Writes a packet to the dedicated packet buffer.
+ * @pre In order to use this function he endpoint must have been
+ * initialized in packet mode.
+ * @post The endpoint is ready to transmit the packet.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ * @param[in] buf buffer where to fetch the packet data
+ * @param[in] n maximum number of bytes to copy. This value must
+ * not exceed the maximum packet size for this endpoint.
+ *
+ * @notapi
+ */
+void usb_lld_write_packet(USBDriver *usbp, usbep_t ep,
+ const uint8_t *buf, size_t n) {
+
+}
+
+/**
+ * @brief Starts a receive operation on an OUT endpoint.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ * @param[out] buf buffer where to copy the endpoint data
+ * @param[in] n maximum number of bytes to copy in the buffer
+ *
+ * @notapi
+ */
+void usb_lld_start_out(USBDriver *usbp, usbep_t ep,
+ uint8_t *buf, size_t n) {
+
+}
+
+/**
+ * @brief Starts a transmit operation on an IN endpoint.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ * @param[in] buf buffer where to fetch the endpoint data
+ * @param[in] n maximum number of bytes to copy
+ *
+ * @notapi
+ */
+void usb_lld_start_in(USBDriver *usbp, usbep_t ep,
+ const uint8_t *buf, size_t n) {
+
+}
+
+/**
+ * @brief Brings an OUT endpoint in the stalled state.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ *
+ * @notapi
+ */
+void usb_lld_stall_out(USBDriver *usbp, usbep_t ep) {
+
+}
+
+/**
+ * @brief Brings an IN endpoint in the stalled state.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ *
+ * @notapi
+ */
+void usb_lld_stall_in(USBDriver *usbp, usbep_t ep) {
+
+}
+
+/**
+ * @brief Brings an OUT endpoint in the active state.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ *
+ * @notapi
+ */
+void usb_lld_clear_out(USBDriver *usbp, usbep_t ep) {
+
+}
+
+/**
+ * @brief Brings an IN endpoint in the active state.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ *
+ * @notapi
+ */
+void usb_lld_clear_in(USBDriver *usbp, usbep_t ep) {
+
+}
+
+#endif /* HAL_USE_USB */
+
+/** @} */
diff --git a/os/hal/templates/usb_lld.h b/os/hal/templates/usb_lld.h new file mode 100644 index 000000000..254f6c5da --- /dev/null +++ b/os/hal/templates/usb_lld.h @@ -0,0 +1,305 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file templates/usb_lld.h
+ * @brief USB Driver subsystem low level driver header template.
+ *
+ * @addtogroup USB
+ * @{
+ */
+
+#ifndef _USB_LLD_H_
+#define _USB_LLD_H_
+
+#if HAL_USE_USB || defined(__DOXYGEN__)
+
+#include "stm32_usb.h"
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Maximum endpoint address.
+ */
+#define USB_MAX_ENDPOINTS 4
+
+/**
+ * @brief This device requires the address change after the status packet.
+ */
+#define USB_SET_ADDRESS_MODE USB_LATE_SET_ADDRESS
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Type of an IN endpoint state structure.
+ */
+typedef struct {
+
+} USBInEndpointState;
+
+/**
+ * @brief Type of an OUT endpoint state structure.
+ */
+typedef struct {
+
+} USBOutEndpointState;
+
+/**
+ * @brief Type of an USB endpoint configuration structure.
+ * @note Platform specific restrictions may apply to endpoints.
+ */
+typedef struct {
+ /**
+ * @brief Type and mode of the endpoint.
+ */
+ uint32_t ep_mode;
+ /**
+ * @brief IN endpoint notification callback.
+ * @details This field must be set to @p NULL if the IN endpoint is not
+ * used.
+ */
+ usbepcallback_t in_cb;
+ /**
+ * @brief OUT endpoint notification callback.
+ * @details This field must be set to @p NULL if the OUT endpoint is not
+ * used.
+ */
+ usbepcallback_t out_cb;
+ /**
+ * @brief IN endpoint maximum packet size.
+ * @details This field must be set to zero if the IN endpoint is not
+ * used.
+ */
+ uint16_t in_maxsize;
+ /**
+ * @brief OUT endpoint maximum packet size.
+ * @details This field must be set to zero if the OUT endpoint is not
+ * used.
+ */
+ uint16_t out_maxsize;
+ /**
+ * @brief @p USBEndpointState associated to the IN endpoint.
+ * @details This structure maintains the state of the IN endpoint when
+ * the endpoint is not in packet mode. Endpoints configured in
+ * packet mode must set this field to @p NULL.
+ */
+ USBInEndpointState *in_state;
+ /**
+ * @brief @p USBEndpointState associated to the OUT endpoint.
+ * @details This structure maintains the state of the OUT endpoint when
+ * the endpoint is not in packet mode. Endpoints configured in
+ * packet mode must set this field to @p NULL.
+ */
+ USBOutEndpointState *out_state;
+ /* End of the mandatory fields.*/
+} USBEndpointConfig;
+
+/**
+ * @brief Type of an USB driver configuration structure.
+ */
+typedef struct {
+ /**
+ * @brief USB events callback.
+ * @details This callback is invoked when an USB driver event is registered.
+ */
+ usbeventcb_t event_cb;
+ /**
+ * @brief Device GET_DESCRIPTOR request callback.
+ * @note This callback is mandatory and cannot be set to @p NULL.
+ */
+ usbgetdescriptor_t get_descriptor_cb;
+ /**
+ * @brief Requests hook callback.
+ * @details This hook allows to be notified of standard requests or to
+ * handle non standard requests.
+ */
+ usbreqhandler_t requests_hook_cb;
+ /**
+ * @brief Start Of Frame callback.
+ */
+ usbcallback_t sof_cb;
+ /* End of the mandatory fields.*/
+} USBConfig;
+
+/**
+ * @brief Structure representing an USB driver.
+ */
+struct USBDriver {
+ /**
+ * @brief Driver state.
+ */
+ usbstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const USBConfig *config;
+ /**
+ * @brief Field available to user, it can be used to associate an
+ * application-defined handler to the USB driver.
+ */
+ void *param;
+ /**
+ * @brief Bit map of the transmitting IN endpoints.
+ */
+ uint16_t transmitting;
+ /**
+ * @brief Bit map of the receiving OUT endpoints.
+ */
+ uint16_t receiving;
+ /**
+ * @brief Active endpoints configurations.
+ */
+ const USBEndpointConfig *epc[USB_MAX_ENDPOINTS + 1];
+ /**
+ * @brief Endpoint 0 state.
+ */
+ usbep0state_t ep0state;
+ /**
+ * @brief Next position in the buffer to be transferred through endpoint 0.
+ */
+ uint8_t *ep0next;
+ /**
+ * @brief Number of bytes yet to be transferred through endpoint 0.
+ */
+ size_t ep0n;
+ /**
+ * @brief Endpoint 0 end transaction callback.
+ */
+ usbcallback_t ep0endcb;
+ /**
+ * @brief Setup packet buffer.
+ */
+ uint8_t setup[8];
+ /**
+ * @brief Current USB device status.
+ */
+ uint16_t status;
+ /**
+ * @brief Assigned USB address.
+ */
+ uint8_t address;
+ /**
+ * @brief Current USB device configuration.
+ */
+ uint8_t configuration;
+ /* End of the mandatory fields.*/
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @brief Fetches a 16 bits word value from an USB message.
+ *
+ * @param[in] p pointer to the 16 bits word
+ *
+ * @notapi
+ */
+#define usb_lld_fetch_word(p) (*(uint16_t *)(p))
+
+/**
+ * @brief Returns the current frame number.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @return The current frame number.
+ *
+ * @notapi
+ */
+#define usb_lld_get_frame_number(usbp)
+
+/**
+ * @brief Returns the exact size of a receive transaction.
+ * @details The received size can be different from the size specified in
+ * @p usbStartReceiveI() because the last packet could have a size
+ * different from the expected one.
+ * @pre The OUT endpoint must have been configured in transaction mode
+ * in order to use this function.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ * @return Received data size.
+ *
+ * @notapi
+ */
+#define usb_lld_get_transaction_size(usbp, ep)
+
+/**
+ * @brief Returns the exact size of a received packet.
+ * @pre The OUT endpoint must have been configured in packet mode
+ * in order to use this function.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ * @return Received data size.
+ *
+ * @notapi
+ */
+#define usb_lld_get_packet_size(usbp, ep)
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void usb_lld_init(void);
+ void usb_lld_start(USBDriver *usbp);
+ void usb_lld_stop(USBDriver *usbp);
+ void usb_lld_reset(USBDriver *usbp);
+ void usb_lld_set_address(USBDriver *usbp);
+ void usb_lld_init_endpoint(USBDriver *usbp, usbep_t ep);
+ void usb_lld_disable_endpoints(USBDriver *usbp);
+ usbepstatus_t usb_lld_get_status_in(USBDriver *usbp, usbep_t ep);
+ usbepstatus_t usb_lld_get_status_out(USBDriver *usbp, usbep_t ep);
+ size_t usb_lld_read_packet(USBDriver *usbp, usbep_t ep,
+ uint8_t *buf, size_t n);
+ void usb_lld_write_packet(USBDriver *usbp, usbep_t ep,
+ const uint8_t *buf, size_t n);
+ void usb_lld_start_out(USBDriver *usbp, usbep_t ep,
+ uint8_t *buf, size_t n);
+ void usb_lld_start_in(USBDriver *usbp, usbep_t ep,
+ const uint8_t *buf, size_t n);
+ void usb_lld_stall_in(USBDriver *usbp, usbep_t ep);
+ void usb_lld_stall_out(USBDriver *usbp, usbep_t ep);
+ void usb_lld_clear_out(USBDriver *usbp, usbep_t ep);
+ void usb_lld_clear_in(USBDriver *usbp, usbep_t ep);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_USB */
+
+#endif /* _USB_LLD_H_ */
+
+/** @} */
|