diff options
author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-12-27 11:31:57 +0000 |
---|---|---|
committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-12-27 11:31:57 +0000 |
commit | d2c0aea892777c860fa29e18eda06bd6c0694f48 (patch) | |
tree | 0d12400674b762f65ee63d9b7c58eaec0bca9bcc /os/hal | |
parent | 1c4914bb0d7f7cf942cd5634d3f21e0c7a85a357 (diff) | |
download | ChibiOS-d2c0aea892777c860fa29e18eda06bd6c0694f48.tar.gz ChibiOS-d2c0aea892777c860fa29e18eda06bd6c0694f48.tar.bz2 ChibiOS-d2c0aea892777c860fa29e18eda06bd6c0694f48.zip |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4977 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal')
-rw-r--r-- | os/hal/platforms/STM32F3xx/adc_lld.c | 226 | ||||
-rw-r--r-- | os/hal/platforms/STM32F3xx/adc_lld.h | 96 | ||||
-rw-r--r-- | os/hal/platforms/STM32F3xx/platform.mk | 1 | ||||
-rw-r--r-- | os/hal/platforms/STM32F3xx/stm32_rcc.h | 37 | ||||
-rw-r--r-- | os/hal/platforms/STM32F3xx/stm32f30x.h | 4 |
5 files changed, 264 insertions, 100 deletions
diff --git a/os/hal/platforms/STM32F3xx/adc_lld.c b/os/hal/platforms/STM32F3xx/adc_lld.c index 03781c0cf..c73aadded 100644 --- a/os/hal/platforms/STM32F3xx/adc_lld.c +++ b/os/hal/platforms/STM32F3xx/adc_lld.c @@ -58,17 +58,106 @@ ADCDriver ADCD3; /*===========================================================================*/
/**
+ * @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 = ADC_CR_ADVREGEN_0;
+#if STM32_ADC_DUAL_MODE
+ adcp->adcs->CR = ADC_CR_ADVREGEN_0;
+#endif
+ halPolledDelay(US2RTT(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 = 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) {
+
+ chDbgAssert(adcp->adcm->CR == 0, "adc_lld_calibrate(), #1",
+ "invalid register state");
+ adcp->adcm->CR |= ADC_CR_ADCAL;
+ while ((adcp->adcm->CR & ADC_CR_ADCAL) != 0)
+ ;
+#if STM32_ADC_DUAL_MODE
+ chDbgAssert(adcp->adcs->CR == 0, "adc_lld_calibrate(), #2",
+ "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] adc pointer to the ADC registers block
+ * @param[in] adcp pointer to the @p ADCDriver object
*/
-static void adc_lld_stop_adc(ADC_TypeDef *adc) {
+static void adc_lld_stop_adc(ADCDriver *adcp) {
- if (adc->CR & ADC_CR_ADSTART) {
- adc->CR |= ADC_CR_ADSTP;
- while (adc->CR & ADC_CR_ADSTP)
+ if (adcp->adcm->CR & ADC_CR_ADSTART) {
+ adcp->adcm->CR |= ADC_CR_ADSTP;
+ while (adcp->adcm->CR & ADC_CR_ADSTP)
;
}
+#if STM32_ADC_DUAL_MODE
+ if (adcp->adcs->CR & ADC_CR_ADSTART) {
+ adcp->adcs->CR |= ADC_CR_ADSTP;
+ while (adcp->adcs->CR & ADC_CR_ADSTP)
+ ;
+ }
+#endif
}
/**
@@ -120,9 +209,17 @@ static void adc_lld_serve_interrupt(ADCDriver *adcp, uint32_t isr) { to read data fast enough.*/
_adc_isr_error_code(adcp, ADC_ERR_OVERFLOW);
}
- if (isr & ADC_ISR_AWD) {
+ if (isr & ADC_ISR_AWD1) {
/* Analog watchdog error.*/
- _adc_isr_error_code(adcp, ADC_ERR_AWD);
+ _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);
}
}
}
@@ -212,27 +309,40 @@ void adc_lld_init(void) { #if STM32_ADC_USE_ADC1
/* Driver initialization.*/
adcObjectInit(&ADCD1);
- ADCD1.adc = ADC1;
+ ADCD1.adcm = ADC1;
+#if STM32_ADC_DUAL_MODE
+ ADCD1.adcs = ADC2;
+#endif
ADCD1.dmastp = STM32_DMA1_STREAM1;
- ADCD1.dmamode = STM32_DMA_CR_PL(STM32_ADC_ADC1_DMA_PRIORITY) |
+ ADCD1.dmamode = STM32_DMA_CR_PL(STM32_ADC_ADC12_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_COMP_IRQn,
- CORTEX_PRIORITY_MASK(STM32_ADC_IRQ_PRIORITY));
+ nvicEnableVector(ADC1_2_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_ADC_ADC12_IRQ_PRIORITY));
+#endif /* STM32_ADC_USE_ADC1 */
- /* Calibration procedure.*/
- rccEnableADC1(FALSE);
- chDbgAssert(ADC1->CR == 0, "adc_lld_init(), #1", "invalid register state");
- ADC1->CR |= ADC_CR_ADCAL;
- while (ADC1->CR & ADC_CR_ADCAL)
- ;
- rccDisableADC1(FALSE);
+#if STM32_ADC_USE_ADC3
+ /* Driver initialization.*/
+ adcObjectInit(&ADCD1);
+ ADCD3.adcm = ADC3;
+#if STM32_ADC_DUAL_MODE
+ ADCD3.adcs = ADC4;
+#endif
+ ADCD3.dmastp = STM32_DMA2_STREAM5;
+ ADCD3.dmamode = STM32_DMA_CR_PL(STM32_ADC_ADC12_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(ADC3_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_ADC_ADC34_IRQ_PRIORITY));
+#if STM32_ADC_DUAL_MODE
+ nvicEnableVector(ADC4_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_ADC_ADC34_IRQ_PRIORITY));
+#endif
+#endif /* STM32_ADC_USE_ADC3 */
}
/**
@@ -250,30 +360,48 @@ void adc_lld_start(ADCDriver *adcp) { if (&ADCD1 == adcp) {
bool_t b;
b = dmaStreamAllocate(adcp->dmastp,
- STM32_ADC_ADC1_DMA_IRQ_PRIORITY,
+ STM32_ADC_ADC12_DMA_IRQ_PRIORITY,
(stm32_dmaisr_t)adc_lld_serve_dma_interrupt,
(void *)adcp);
chDbgAssert(!b, "adc_lld_start(), #1", "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;
+#if STM32_ADC_DUAL_MODE
+ dmaStreamSetPeripheral(adcp->dmastp, &ADC1_2->CDR);
#else
- ADC1->CFGR2 = 0x00001000 | ADC_CFGR2_JITOFFDIV4;
-#endif
+ dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR);
#endif
+ rccEnableADC12(FALSE);
+
+ /* Clock source setting.*/
+ ADC1_2->CCR = ADC_CCR_CKMODE_AHB_DIV1;
}
#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))
- ;
+#if STM32_ADC_USE_ADC3
+ if (&ADCD3 == adcp) {
+ bool_t b;
+ b = dmaStreamAllocate(adcp->dmastp,
+ STM32_ADC_ADC34_DMA_IRQ_PRIORITY,
+ (stm32_dmaisr_t)adc_lld_serve_dma_interrupt,
+ (void *)adcp);
+ chDbgAssert(!b, "adc_lld_start(), #2", "stream already allocated");
+#if STM32_ADC_DUAL_MODE
+ dmaStreamSetPeripheral(adcp->dmastp, &ADC3_4->CDR);
+#else
+ dmaStreamSetPeripheral(adcp->dmastp, &ADC3->DR);
+#endif
+ rccEnableADC34(FALSE);
+
+ /* Clock source setting.*/
+ ADC3_4->CCR = ADC_CCR_CKMODE_AHB_DIV1;
+ }
+#endif /* STM32_ADC_USE_ADC2 */
+
+ /* 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);
}
}
@@ -289,19 +417,27 @@ 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);
- /* 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)
- ;
+ /* Disabling the ADC.*/
+ if (adcp->adcm->CR & ADC_CR_ADEN) {
+ /* 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)
- rccDisableADC1(FALSE);
+ rccDisableADC12(FALSE);
+#endif
+
+#if STM32_ADC_USE_ADC3
+ if (&ADCD1 == adcp)
+ rccDisableADC34(FALSE);
#endif
}
}
diff --git a/os/hal/platforms/STM32F3xx/adc_lld.h b/os/hal/platforms/STM32F3xx/adc_lld.h index 215b8fe4e..7569bc24e 100644 --- a/os/hal/platforms/STM32F3xx/adc_lld.h +++ b/os/hal/platforms/STM32F3xx/adc_lld.h @@ -118,7 +118,7 @@ #define ADC_CFGR_DISCEN_ENABLED (1 << 16)
#define ADC_CFGR_DISCNUM_MASK (7 << 17)
-#define ADC_CFGR_DISCNUM(n) ((n) << 17)
+#define ADC_CFGR_DISCNUM_VAL(n) ((n) << 17)
#define ADC_CFGR_AWD1_DISABLED 0
#define ADC_CFGR_AWD1_ALL (1 << 23)
@@ -165,57 +165,57 @@ /**
* @brief ADC1/ADC2 DMA priority (0..3|lowest..highest).
*/
-#if !defined(STM32_ADC_ADC1_DMA_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_ADC_ADC1_DMA_PRIORITY 2
+#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_ADC3_DMA_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_ADC_ADC3_DMA_PRIORITY 2
+#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_ADC1_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_ADC_ADC1_IRQ_PRIORITY 2
+#if !defined(STM32_ADC_ADC12_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC12_IRQ_PRIORITY 2
#endif
/**
* @brief ADC3/ADC4 interrupt priority level setting.
*/
-#if !defined(STM32_ADC3_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_ADC_ADC3_IRQ_PRIORITY 2
+#if !defined(STM32_ADC34_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC34_IRQ_PRIORITY 2
#endif
/**
* @brief ADC1/ADC2 DMA interrupt priority level setting.
*/
-#if !defined(STM32_ADC_ADC1_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 2
+#if !defined(STM32_ADC_ADC12_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC12_DMA_IRQ_PRIORITY 2
#endif
/**
* @brief ADC3/ADC4 DMA interrupt priority level setting.
*/
-#if !defined(STM32_ADC_ADC3_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_ADC_ADC3_DMA_IRQ_PRIORITY 2
+#if !defined(STM32_ADC_ADC34_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC34_DMA_IRQ_PRIORITY 2
#endif
/**
* @brief ADC1/ADC2 clock source and mode.
*/
-#if !defined(STM32_ADC_ADC1_CLOCK_MODE) || defined(__DOXYGEN__)
-#define STM32_ADC_ADC1_CLOCK_MODE ADC_CCR_CKMODE_AHB_DIV1
+#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_ADC3_CLOCK_MODE) || defined(__DOXYGEN__)
-#define STM32_ADC_ADC3_CLOCK_MODE ADC_CCR_CKMODE_AHB_DIV1
+#if !defined(STM32_ADC_ADC34_CLOCK_MODE) || defined(__DOXYGEN__)
+#define STM32_ADC_ADC34_CLOCK_MODE ADC_CCR_CKMODE_AHB_DIV1
#endif
/**
@@ -238,70 +238,70 @@ #error "ADC3 not present in the selected device"
#endif
-#if !STM32_ADC_USE_ADC1 ||!STM32_ADC_USE_ADC3
+#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_ADC1_IRQ_PRIORITY)
+ !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_ADC1_DMA_IRQ_PRIORITY)
+ !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_ADC1_DMA_PRIORITY)
+ !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_ADC3_IRQ_PRIORITY)
+ !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_ADC3_DMA_IRQ_PRIORITY)
+ !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_ADC3_DMA_PRIORITY)
+ !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC34_DMA_PRIORITY)
#error "Invalid DMA priority assigned to ADC3"
#endif
-#if STM32_ADC_ADC1_CLOCK_MODE == ADC_CCR_CKMODE_ADCCK
-#define STM32_ADC1_CLOCK STM32ADC1CLK
-#elif STM32_ADC_ADC1_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV1
-#define STM32_ADC1_CLOCK (STM32_HCLK / 1)
-#elif STM32_ADC_ADC1_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV2
-#define STM32_ADC1_CLOCK (STM32_HCLK / 2)
-#elif STM32_ADC_ADC1_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV4
-#define STM32_ADC1_CLOCK (STM32_HCLK / 4)
+#if STM32_ADC_ADC12_CLOCK_MODE == ADC_CCR_CKMODE_ADCCK
+#define STM32_ADC12_CLOCK STM32ADC1CLK
+#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_ADC1_CLOCK_MODE"
+#error "invalid clock mode selected for STM32_ADC_ADC12_CLOCK_MODE"
#endif
-#if STM32_ADC_ADC3_CLOCK_MODE == ADC_CCR_CKMODE_ADCCK
-#define STM32_ADC3_CLOCK STM32ADC3CLK
-#elif STM32_ADC_ADC3_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV1
-#define STM32_ADC3_CLOCK (STM32_HCLK / 1)
-#elif STM32_ADC_ADC3_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV2
-#define STM32_ADC3_CLOCK (STM32_HCLK / 2)
-#elif STM32_ADC_ADC3_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV4
-#define STM32_ADC3_CLOCK (STM32_HCLK / 4)
+#if STM32_ADC_ADC34_CLOCK_MODE == ADC_CCR_CKMODE_ADCCK
+#define STM32_ADC34_CLOCK STM32ADC3CLK
+#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_ADC1_CLOCK_MODE"
+#error "invalid clock mode selected for STM32_ADC_ADC12_CLOCK_MODE"
#endif
-#if STM32_ADC1_CLOCK > 72000000
-#error "STM32_ADC1_CLOCK exceeding maximum frequency (72000000)"
+#if STM32_ADC12_CLOCK > 72000000
+#error "STM32_ADC12_CLOCK exceeding maximum frequency (72000000)"
#endif
-#if STM32_ADC3_CLOCK > 72000000
-#error "STM32_ADC3_CLOCK exceeding maximum frequency (72000000)"
+#if STM32_ADC34_CLOCK > 72000000
+#error "STM32_ADC34_CLOCK exceeding maximum frequency (72000000)"
#endif
#if !defined(STM32_DMA_REQUIRED)
@@ -330,8 +330,8 @@ typedef uint16_t adc_channels_num_t; 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_AWD1 = 2, /**< Watchdog 1 triggered. */
+ ADC_ERR_AWD2 = 3, /**< Watchdog 2 triggered. */
ADC_ERR_AWD3 = 4 /**< Watchdog 3 triggered. */
} adcerror_t;
diff --git a/os/hal/platforms/STM32F3xx/platform.mk b/os/hal/platforms/STM32F3xx/platform.mk index 8704aa947..5cfdd415c 100644 --- a/os/hal/platforms/STM32F3xx/platform.mk +++ b/os/hal/platforms/STM32F3xx/platform.mk @@ -1,6 +1,7 @@ # List of all the STM32F3xx platform files.
PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/STM32F3xx/stm32_dma.c \
${CHIBIOS}/os/hal/platforms/STM32F3xx/hal_lld.c \
+ ${CHIBIOS}/os/hal/platforms/STM32F3xx/adc_lld.c \
${CHIBIOS}/os/hal/platforms/STM32F3xx/ext_lld_isr.c \
${CHIBIOS}/os/hal/platforms/STM32/can_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/ext_lld.c \
diff --git a/os/hal/platforms/STM32F3xx/stm32_rcc.h b/os/hal/platforms/STM32F3xx/stm32_rcc.h index 7c4b30466..6c9078940 100644 --- a/os/hal/platforms/STM32F3xx/stm32_rcc.h +++ b/os/hal/platforms/STM32F3xx/stm32_rcc.h @@ -169,29 +169,54 @@ * @{
*/
/**
- * @brief Enables the ADC1 peripheral clock.
+ * @brief Enables the ADC1/ADC2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
-#define rccEnableADC1(lp) rccEnableAPB2(RCC_APB2ENR_ADC1EN, lp)
+#define rccEnableADC12(lp) rccEnableAHB(RCC_AHBENR_ADC12EN, lp)
/**
- * @brief Disables the ADC1 peripheral clock.
+ * @brief Disables the ADC1/ADC2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
-#define rccDisableADC1(lp) rccDisableAPB2(RCC_APB2ENR_ADC1EN, lp)
+#define rccDisableADC12(lp) rccDisableAHB(RCC_AHBENR_ADC12EN, lp)
/**
- * @brief Resets the ADC1 peripheral.
+ * @brief Resets the ADC1/ADC2 peripheral.
*
* @api
*/
-#define rccResetADC1() rccResetAPB2(RCC_APB2RSTR_ADC1RST)
+#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)
/** @} */
/**
diff --git a/os/hal/platforms/STM32F3xx/stm32f30x.h b/os/hal/platforms/STM32F3xx/stm32f30x.h index 880fd1d9a..99c6178ee 100644 --- a/os/hal/platforms/STM32F3xx/stm32f30x.h +++ b/os/hal/platforms/STM32F3xx/stm32f30x.h @@ -1031,7 +1031,9 @@ typedef struct /* */
/******************************************************************************/
/******************** Bit definition for ADC_ISR register ********************/
-#define ADC_ISR_ADRD ((uint32_t)0x00000001) /*!< ADC Ready (ADRDY) flag */
+/* CHIBIOS FIX */
+//#define ADC_ISR_ADRD ((uint32_t)0x00000001) /*!< ADC Ready (ADRDY) flag */
+#define ADC_ISR_ADRDY ((uint32_t)0x00000001) /*!< ADC Ready (ADRDY) flag */
#define ADC_ISR_EOSMP ((uint32_t)0x00000002) /*!< ADC End of Sampling flag */
#define ADC_ISR_EOC ((uint32_t)0x00000004) /*!< ADC End of Regular Conversion flag */
#define ADC_ISR_EOS ((uint32_t)0x00000008) /*!< ADC End of Regular sequence of Conversions flag */
|