git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4976 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2012-12-26 16:31:34 +00:00
parent cc94e31e38
commit 1c4914bb0d
3 changed files with 167 additions and 161 deletions

View File

@ -35,12 +35,6 @@
/* Driver local definitions. */
/*===========================================================================*/
#if STM32_ADC_USE_ADC12 || STM32_ADC_USE_ADC34
#define STM32_ADC_DUAL_MODE TRUE
#else
#define STM32_ADC_DUAL_MODE FALSE
#endif
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
@ -50,6 +44,11 @@
ADCDriver ADCD1;
#endif
/** @brief ADC1 driver identifier.*/
#if STM32_ADC_USE_ADC3 || defined(__DOXYGEN__)
ADCDriver ADCD3;
#endif
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
@ -78,7 +77,7 @@ static void adc_lld_stop_adc(ADC_TypeDef *adc) {
* @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) {
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) {
@ -102,44 +101,102 @@ static void adc_lld_serve_rx_interrupt(ADCDriver *adcp, uint32_t flags) {
}
}
/**
* @brief ADC ISR service routine.
*
* @param[in] adcp pointer to the @p ADCDriver object
* @param[in] isr pre-shifted 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_AWD) {
/* Analog watchdog error.*/
_adc_isr_error_code(adcp, ADC_ERR_AWD);
}
}
}
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)
/**
* @brief ADC interrupt handler.
* @brief ADC1/ADC2 interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(ADC1_COMP_IRQHandler) {
CH_IRQ_HANDLER(Vector88) {
uint32_t isr;
CH_IRQ_PROLOGUE();
isr = ADC1->ISR;
#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 */
/* 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);
}
}
adc_lld_serve_interrupt(&ADCD1, isr);
CH_IRQ_EPILOGUE();
}
#endif
#endif /* STM32_ADC_USE_ADC1 */
#if STM32_ADC_USE_ADC3 || defined(__DOXYGEN__)
/**
* @brief ADC3 interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(VectorFC) {
uint32_t isr;
CH_IRQ_PROLOGUE();
isr = ADC3->ISR;
ADC3->ISR = isr;
adc_lld_serve_interrupt(&ADCD3, isr);
CH_IRQ_EPILOGUE();
}
#if STM32_ADC_DUAL_MODE
/**
* @brief ADC4 interrupt handler (as ADC3 slave).
*
* @isr
*/
CH_IRQ_HANDLER(Vector134) {
uint32_t isr;
CH_IRQ_PROLOGUE();
isr = ADC4->ISR;
ADC4->ISR = isr;
adc_lld_serve_interrupt(&ADCD3, isr);
CH_IRQ_EPILOGUE();
}
#endif /* STM32_ADC_DUAL_MODE */
#endif /* STM32_ADC_USE_ADC3 */
/*===========================================================================*/
/* Driver exported functions. */
@ -194,7 +251,7 @@ void adc_lld_start(ADCDriver *adcp) {
bool_t b;
b = dmaStreamAllocate(adcp->dmastp,
STM32_ADC_ADC1_DMA_IRQ_PRIORITY,
(stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
(stm32_dmaisr_t)adc_lld_serve_dma_interrupt,
(void *)adcp);
chDbgAssert(!b, "adc_lld_start(), #1", "stream already allocated");
dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR);

View File

@ -152,14 +152,7 @@
#if !defined(STM32_ADC_USE_ADC1) || defined(__DOXYGEN__)
#define STM32_ADC_USE_ADC1 FALSE
#endif
/**
* @brief ADC1+ADC2 driver enable switch.
* @details If set to @p TRUE the support for ADC1+ADC2 is included.
* @note The default is @p FALSE.
*/
#if !defined(STM32_ADC_USE_ADC12) || defined(__DOXYGEN__)
#define STM32_ADC_USE_ADC12 FALSE
#endif
/**
* @brief ADC3 driver enable switch.
* @details If set to @p TRUE the support for ADC3 is included.
@ -168,69 +161,68 @@
#if !defined(STM32_ADC_USE_ADC3) || defined(__DOXYGEN__)
#define STM32_ADC_USE_ADC3 FALSE
#endif
/**
* @brief ADC3+ADC4 driver enable switch.
* @details If set to @p TRUE the support for ADC3+ADC4 is included.
* @note The default is @p FALSE.
*/
#if !defined(STM32_ADC_USE_ADC34) || defined(__DOXYGEN__)
#define STM32_ADC_USE_ADC34 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
#if !defined(STM32_ADC_ADC1_DMA_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_ADC1_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
#if !defined(STM32_ADC_ADC3_DMA_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_ADC3_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 2
#if !defined(STM32_ADC_ADC1_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_ADC1_IRQ_PRIORITY 2
#endif
/**
* @brief ADC3/ADC4 interrupt priority level setting.
*/
#if !defined(STM32_ADC34_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_ADC34_IRQ_PRIORITY 2
#if !defined(STM32_ADC3_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_ADC3_IRQ_PRIORITY 2
#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 2
#if !defined(STM32_ADC_ADC1_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 2
#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 2
#if !defined(STM32_ADC_ADC3_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_ADC3_DMA_IRQ_PRIORITY 2
#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
#if !defined(STM32_ADC_ADC1_CLOCK_MODE) || defined(__DOXYGEN__)
#define STM32_ADC_ADC1_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
#if !defined(STM32_ADC_ADC3_CLOCK_MODE) || defined(__DOXYGEN__)
#define STM32_ADC_ADC3_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
/** @} */
@ -242,113 +234,74 @@
#error "ADC1 not present in the selected device"
#endif
#if STM32_ADC_USE_ADC12 && (!STM32_HAS_ADC1 || !STM32_HAS_ADC2)
#error "ADC12 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_ADC34 && (!STM32_HAS_ADC3 || !STM32_HAS_ADC4)
#error "ADC34 not present in the selected device"
#endif
#if !STM32_ADC_USE_ADC1 || !STM32_ADC_USE_ADC12 || \
!STM32_ADC_USE_ADC3 || !STM32_ADC_USE_ADC34
#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)
!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_ADC12_DMA_IRQ_PRIORITY)
!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_ADC12_DMA_PRIORITY)
!STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC1_DMA_PRIORITY)
#error "Invalid DMA priority assigned to ADC1"
#endif
#if STM32_ADC_USE_ADC12 && \
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC12_IRQ_PRIORITY)
#error "Invalid IRQ priority assigned to ADC12"
#endif
#if STM32_ADC_USE_ADC12 && \
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC12_DMA_IRQ_PRIORITY)
#error "Invalid IRQ priority assigned to ADC12 DMA"
#endif
#if STM32_ADC_USE_ADC12 && \
!STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC12_DMA_PRIORITY)
#error "Invalid DMA priority assigned to ADC12"
#endif
#if STM32_ADC_USE_ADC3 && \
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC34_IRQ_PRIORITY)
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC3_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)
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC3_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)
!STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC3_DMA_PRIORITY)
#error "Invalid DMA priority assigned to ADC3"
#endif
#if STM32_ADC_USE_ADC34 && \
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC34_IRQ_PRIORITY)
#error "Invalid IRQ priority assigned to ADC34"
#endif
#if STM32_ADC_USE_ADC34 && \
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC34_DMA_IRQ_PRIORITY)
#error "Invalid IRQ priority assigned to ADC34 DMA"
#endif
#if STM32_ADC_USE_ADC34 && \
!STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC34_DMA_PRIORITY)
#error "Invalid DMA priority assigned to ADC34"
#endif
#if STM32_ADC_ADC12_CLOCK_MODE == ADC_CCR_CKMODE_ADCCK
#define STM32_ADC12_CLOCK STM32ADC12CLK
#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)
#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)
#else
#error "invalid clock mode selected for STM32_ADC_ADC12_CLOCK_MODE"
#error "invalid clock mode selected for STM32_ADC_ADC1_CLOCK_MODE"
#endif
#if STM32_ADC_ADC34_CLOCK_MODE == ADC_CCR_CKMODE_ADCCK
#define STM32_ADC34_CLOCK STM32ADC34CLK
#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)
#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)
#else
#error "invalid clock mode selected for STM32_ADC_ADC12_CLOCK_MODE"
#error "invalid clock mode selected for STM32_ADC_ADC1_CLOCK_MODE"
#endif
#if STM32_ADC12_CLOCK > 72000000
#error "STM32_ADC12_CLOCK exceeding maximum frequency (72000000)"
#if STM32_ADC1_CLOCK > 72000000
#error "STM32_ADC1_CLOCK exceeding maximum frequency (72000000)"
#endif
#if STM32_ADC34_CLOCK > 72000000
#error "STM32_ADC34_CLOCK exceeding maximum frequency (72000000)"
#if STM32_ADC3_CLOCK > 72000000
#error "STM32_ADC3_CLOCK exceeding maximum frequency (72000000)"
#endif
#if !defined(STM32_DMA_REQUIRED)
@ -442,37 +395,24 @@ typedef struct {
*/
uint32_t tr1;
/**
* @brief ADC SMPR1 register initialization data.
* @details In this field must be specified the sample times for channels
* 0...9.
* @brief ADC SMPRx registers initialization data.
*/
uint32_t smpr1;
uint32_t smpr[2];
/**
* @brief ADC SMPR2 register initialization data.
* @details In this field must be specified the sample times for channels
* 10...18.
* @brief ADC SQRx register initialization data.
*/
uint32_t smpr2;
uint32_t sqr[4];
#if STM32_ADC_DUAL_MODE || defined(__DOXYGEN__)
/**
* @brief ADC SQR1 register initialization data.
* @details Conversion group sequence 1...4 + sequence length.
* @brief Slave ADC SMPRx registers initialization data.
*/
uint32_t sqr1;
uint32_t ssmpr[2];
/**
* @brief ADC SQR2 register initialization data.
* @details Conversion group sequence 5...9.
* @brief Slave ADC SQRx register initialization data.
*/
uint32_t sqr2;
/**
* @brief ADC SQR3 register initialization data.
* @details Conversion group sequence 10...15.
*/
uint32_t sqr3;
/**
* @brief ADC SQR4 register initialization data.
* @details Conversion group sequence 16...17.
*/
uint32_t sqr4;
uint32_t ssqr[4];
#endif /* STM32_ADC_DUAL_MODE */
} ADCConversionGroup;
/**
@ -531,10 +471,12 @@ struct ADCDriver {
* @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.
*/
@ -612,18 +554,10 @@ struct ADCDriver {
extern ADCDriver ADCD1;
#endif
#if STM32_ADC_USE_ADC12 && !defined(__DOXYGEN__)
extern ADCDriver ADCD12;
#endif
#if STM32_ADC_USE_ADC3 && !defined(__DOXYGEN__)
extern ADCDriver ADCD3;
#endif
#if STM32_ADC_USE_ADC34 && !defined(__DOXYGEN__)
extern ADCDriver ADCD34;
#endif
#ifdef __cplusplus
extern "C" {
#endif

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@ -67,10 +67,25 @@
#define STM32_USB_CLOCK_REQUIRED TRUE
#define STM32_USBPRE STM32_USBPRE_DIV1P5
/*
* ADC driver system settings.
*/
#define STM32_ADC_USE_ADC1 FALSE
#define STM32_ADC_USE_ADC3 FALSE
#define STM32_ADC_ADC1_DMA_PRIORITY 2
#define STM32_ADC_ADC3_DMA_PRIORITY 2
#define STM32_ADC_ADC1_IRQ_PRIORITY 2
#define STM32_ADC_ADC3_IRQ_PRIORITY 2
#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 2
#define STM32_ADC_ADC3_DMA_IRQ_PRIORITY 2
#define STM32_ADC_ADC1_CLOCK_MODE ADC_CCR_CKMODE_AHB_DIV1
#define STM32_ADC_ADC3_CLOCK_MODE ADC_CCR_CKMODE_AHB_DIV1
#define STM32_ADC_DUAL_MODE FALSE
/*
* CAN driver system settings.
*/
#define STM32_CAN_USE_CAN1 TRUE
#define STM32_CAN_USE_CAN1 FALSE
#define STM32_CAN_CAN1_IRQ_PRIORITY 11
/*