ChibiOS 2.6.8, until I can figure out where to get it from git.

This commit is contained in:
Jared Boone
2015-07-08 08:40:23 -07:00
parent dc6fee8370
commit e1eea8e08a
1929 changed files with 575326 additions and 0 deletions

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/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file STM32F30x/adc_lld.c
* @brief STM32F30x ADC subsystem low level driver source.
*
* @addtogroup ADC
* @{
*/
#include "ch.h"
#include "hal.h"
#if HAL_USE_ADC || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
#if STM32_ADC_DUAL_MODE
#if STM32_ADC_COMPACT_SAMPLES
/* Compact type dual mode.*/
#define ADC_DMA_SIZE (STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD)
#define ADC_DMA_MDMA ADC_CCR_MDMA_HWORD
#else /* !STM32_ADC_COMPACT_SAMPLES */
/* Large type dual mode.*/
#define ADC_DMA_SIZE (STM32_DMA_CR_MSIZE_WORD | STM32_DMA_CR_PSIZE_WORD)
#define ADC_DMA_MDMA ADC_CCR_MDMA_WORD
#endif /* !STM32_ADC_COMPACT_SAMPLES */
#else /* !STM32_ADC_DUAL_MODE */
#if STM32_ADC_COMPACT_SAMPLES
/* Compact type single mode.*/
#define ADC_DMA_SIZE (STM32_DMA_CR_MSIZE_BYTE | STM32_DMA_CR_PSIZE_BYTE)
#define ADC_DMA_MDMA ADC_CCR_MDMA_DISABLED
#else /* !STM32_ADC_COMPACT_SAMPLES */
/* Large type single mode.*/
#define ADC_DMA_SIZE (STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD)
#define ADC_DMA_MDMA ADC_CCR_MDMA_DISABLED
#endif /* !STM32_ADC_COMPACT_SAMPLES */
#endif /* !STM32_ADC_DUAL_MODE */
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/** @brief ADC1 driver identifier.*/
#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)
ADCDriver ADCD1;
#endif
/** @brief ADC1 driver identifier.*/
#if STM32_ADC_USE_ADC3 || defined(__DOXYGEN__)
ADCDriver ADCD3;
#endif
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/**
* @brief Enables the ADC voltage regulator.
*
* @param[in] adcp pointer to the @p ADCDriver object
*/
static void adc_lld_vreg_on(ADCDriver *adcp) {
adcp->adcm->CR = 0; /* RM 12.4.3.*/
adcp->adcm->CR = ADC_CR_ADVREGEN_0;
#if STM32_ADC_DUAL_MODE
adcp->adcs->CR = ADC_CR_ADVREGEN_0;
#endif
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 = 0; /* RM 12.4.3.*/
adcp->adcm->CR = ADC_CR_ADVREGEN_1;
#if STM32_ADC_DUAL_MODE
adcp->adcs->CR = ADC_CR_ADVREGEN_1;
#endif
}
/**
* @brief Enables the ADC analog circuit.
*
* @param[in] adcp pointer to the @p ADCDriver object
*/
static void adc_lld_analog_on(ADCDriver *adcp) {
adcp->adcm->CR |= ADC_CR_ADEN;
while ((adcp->adcm->ISR & ADC_ISR_ADRDY) == 0)
;
#if STM32_ADC_DUAL_MODE
adcp->adcs->CR |= ADC_CR_ADEN;
while ((adcp->adcs->ISR & ADC_ISR_ADRDY) == 0)
;
#endif
}
/**
* @brief Disables the ADC analog circuit.
*
* @param[in] adcp pointer to the @p ADCDriver object
*/
static void adc_lld_analog_off(ADCDriver *adcp) {
adcp->adcm->CR |= ADC_CR_ADDIS;
while ((adcp->adcm->CR & ADC_CR_ADDIS) != 0)
;
#if STM32_ADC_DUAL_MODE
adcp->adcs->CR |= ADC_CR_ADDIS;
while ((adcp->adcs->CR & ADC_CR_ADDIS) != 0)
;
#endif
}
/**
* @brief Calibrates and ADC unit.
*
* @param[in] adcp pointer to the @p ADCDriver object
*/
static void adc_lld_calibrate(ADCDriver *adcp) {
chDbgAssert(adcp->adcm->CR == ADC_CR_ADVREGEN_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 == ADC_CR_ADVREGEN_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] adcp pointer to the @p ADCDriver object
*/
static void adc_lld_stop_adc(ADCDriver *adcp) {
if (adcp->adcm->CR & ADC_CR_ADSTART) {
adcp->adcm->CR |= ADC_CR_ADSTP;
while (adcp->adcm->CR & ADC_CR_ADSTP)
;
}
}
/**
* @brief ADC DMA ISR service routine.
*
* @param[in] adcp pointer to the @p ADCDriver object
* @param[in] flags pre-shifted content of the ISR register
*/
static void adc_lld_serve_dma_interrupt(ADCDriver *adcp, uint32_t flags) {
/* DMA errors handling.*/
if ((flags & (STM32_DMA_ISR_TEIF | STM32_DMA_ISR_DMEIF)) != 0) {
/* DMA, this could help only if the DMA tries to access an unmapped
address space or violates alignment rules.*/
_adc_isr_error_code(adcp, ADC_ERR_DMAFAILURE);
}
else {
/* It is possible that the conversion group has already be reset by the
ADC error handler, in this case this interrupt is spurious.*/
if (adcp->grpp != NULL) {
if ((flags & STM32_DMA_ISR_TCIF) != 0) {
/* Transfer complete processing.*/
_adc_isr_full_code(adcp);
}
else if ((flags & STM32_DMA_ISR_HTIF) != 0) {
/* Half transfer processing.*/
_adc_isr_half_code(adcp);
}
}
}
}
/**
* @brief ADC ISR service routine.
*
* @param[in] adcp pointer to the @p ADCDriver object
* @param[in] isr content of the ISR register
*/
static void adc_lld_serve_interrupt(ADCDriver *adcp, uint32_t isr) {
/* It could be a spurious interrupt caused by overflows after DMA disabling,
just ignore it in this case.*/
if (adcp->grpp != NULL) {
/* Note, an overflow may occur after the conversion ended before the driver
is able to stop the ADC, this is why the DMA channel is checked too.*/
if ((isr & ADC_ISR_OVR) &&
(dmaStreamGetTransactionSize(adcp->dmastp) > 0)) {
/* ADC overflow condition, this could happen only if the DMA is unable
to read data fast enough.*/
_adc_isr_error_code(adcp, ADC_ERR_OVERFLOW);
}
if (isr & ADC_ISR_AWD1) {
/* Analog watchdog error.*/
_adc_isr_error_code(adcp, ADC_ERR_AWD1);
}
if (isr & ADC_ISR_AWD2) {
/* Analog watchdog error.*/
_adc_isr_error_code(adcp, ADC_ERR_AWD2);
}
if (isr & ADC_ISR_AWD3) {
/* Analog watchdog error.*/
_adc_isr_error_code(adcp, ADC_ERR_AWD3);
}
}
}
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)
/**
* @brief ADC1/ADC2 interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector88) {
uint32_t isr;
CH_IRQ_PROLOGUE();
#if STM32_ADC_DUAL_MODE
isr = ADC1->ISR;
isr |= ADC2->ISR;
ADC1->ISR = isr;
ADC2->ISR = isr;
#else /* !STM32_ADC_DUAL_MODE */
isr = ADC1->ISR;
ADC1->ISR = isr;
#endif /* !STM32_ADC_DUAL_MODE */
adc_lld_serve_interrupt(&ADCD1, isr);
CH_IRQ_EPILOGUE();
}
#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. */
/*===========================================================================*/
/**
* @brief Low level ADC driver initialization.
*
* @notapi
*/
void adc_lld_init(void) {
#if STM32_ADC_USE_ADC1
/* Driver initialization.*/
adcObjectInit(&ADCD1);
ADCD1.adcc = ADC1_2;
ADCD1.adcm = ADC1;
#if STM32_ADC_DUAL_MODE
ADCD1.adcs = ADC2;
#endif
ADCD1.dmastp = STM32_DMA1_STREAM1;
ADCD1.dmamode = ADC_DMA_SIZE |
STM32_DMA_CR_PL(STM32_ADC_ADC12_DMA_PRIORITY) |
STM32_DMA_CR_DIR_P2M |
STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
nvicEnableVector(ADC1_2_IRQn,
CORTEX_PRIORITY_MASK(STM32_ADC_ADC12_IRQ_PRIORITY));
#endif /* STM32_ADC_USE_ADC1 */
#if STM32_ADC_USE_ADC3
/* Driver initialization.*/
adcObjectInit(&ADCD3);
ADCD3.adcc = ADC3_4;
ADCD3.adcm = ADC3;
#if STM32_ADC_DUAL_MODE
ADCD3.adcs = ADC4;
#endif
ADCD3.dmastp = STM32_DMA2_STREAM5;
ADCD3.dmamode = ADC_DMA_SIZE |
STM32_DMA_CR_PL(STM32_ADC_ADC12_DMA_PRIORITY) |
STM32_DMA_CR_DIR_P2M |
STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE |
STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
nvicEnableVector(ADC3_IRQn,
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 */
}
/**
* @brief Configures and activates the ADC peripheral.
*
* @param[in] adcp pointer to the @p ADCDriver object
*
* @notapi
*/
void adc_lld_start(ADCDriver *adcp) {
/* If in stopped state then enables the ADC and DMA clocks.*/
if (adcp->state == ADC_STOP) {
#if STM32_ADC_USE_ADC1
if (&ADCD1 == adcp) {
bool_t b;
b = dmaStreamAllocate(adcp->dmastp,
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");
rccEnableADC12(FALSE);
}
#endif /* STM32_ADC_USE_ADC1 */
#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");
rccEnableADC34(FALSE);
}
#endif /* STM32_ADC_USE_ADC2 */
/* Setting DMA peripheral-side pointer.*/
#if STM32_ADC_DUAL_MODE
dmaStreamSetPeripheral(adcp->dmastp, &adcp->adcc->CDR);
#else
dmaStreamSetPeripheral(adcp->dmastp, &adcp->adcm->DR);
#endif
/* Clock source setting.*/
adcp->adcc->CCR = STM32_ADC_ADC12_CLOCK_MODE | ADC_DMA_MDMA;
/* Master ADC calibration.*/
adc_lld_vreg_on(adcp);
adc_lld_calibrate(adcp);
/* Master ADC enabled here in order to reduce conversions latencies.*/
adc_lld_analog_on(adcp);
}
}
/**
* @brief Deactivates the ADC peripheral.
*
* @param[in] adcp pointer to the @p ADCDriver object
*
* @notapi
*/
void adc_lld_stop(ADCDriver *adcp) {
/* If in ready state then disables the ADC clock and analog part.*/
if (adcp->state == ADC_READY) {
/* Releasing the associated DMA channel.*/
dmaStreamRelease(adcp->dmastp);
/* Stopping the ongoing conversion, if any.*/
adc_lld_stop_adc(adcp);
/* Disabling ADC analog circuit and regulator.*/
adc_lld_analog_off(adcp);
adc_lld_vreg_off(adcp);
#if STM32_ADC_USE_ADC1
if (&ADCD1 == adcp)
rccDisableADC12(FALSE);
#endif
#if STM32_ADC_USE_ADC3
if (&ADCD3 == adcp)
rccDisableADC34(FALSE);
#endif
}
}
/**
* @brief Starts an ADC conversion.
*
* @param[in] adcp pointer to the @p ADCDriver object
*
* @notapi
*/
void adc_lld_start_conversion(ADCDriver *adcp) {
uint32_t dmamode, ccr, cfgr;
const ADCConversionGroup *grpp = adcp->grpp;
chDbgAssert(!STM32_ADC_DUAL_MODE || ((grpp->num_channels & 1) == 0),
"adc_lld_start_conversion(), #1",
"odd number of channels in dual mode");
/* Calculating control registers values.*/
dmamode = adcp->dmamode;
ccr = grpp->ccr | (adcp->adcc->CCR & (ADC_CCR_CKMODE_MASK |
ADC_CCR_MDMA_MASK));
cfgr = grpp->cfgr | ADC_CFGR_DMAEN;
if (grpp->circular) {
dmamode |= STM32_DMA_CR_CIRC;
#if STM32_ADC_DUAL_MODE
ccr |= ADC_CCR_DMACFG_CIRCULAR;
#else
cfgr |= ADC_CFGR_DMACFG_CIRCULAR;
#endif
if (adcp->depth > 1) {
/* If circular buffer depth > 1, then the half transfer interrupt
is enabled in order to allow streaming processing.*/
dmamode |= STM32_DMA_CR_HTIE;
}
}
/* DMA setup.*/
dmaStreamSetMemory0(adcp->dmastp, adcp->samples);
#if STM32_ADC_DUAL_MODE
dmaStreamSetTransactionSize(adcp->dmastp, ((uint32_t)grpp->num_channels/2) *
(uint32_t)adcp->depth);
#else
dmaStreamSetTransactionSize(adcp->dmastp, (uint32_t)grpp->num_channels *
(uint32_t)adcp->depth);
#endif
dmaStreamSetMode(adcp->dmastp, dmamode);
dmaStreamEnable(adcp->dmastp);
/* Configuring the CCR register with the static settings ORed with
the user-specified settings in the conversion group configuration
structure.*/
adcp->adcc->CCR = ccr;
/* ADC setup, if it is defined a callback for the analog watch dog then it
is enabled.*/
adcp->adcm->ISR = adcp->adcm->ISR;
adcp->adcm->IER = ADC_IER_OVR | ADC_IER_AWD1;
adcp->adcm->TR1 = grpp->tr1;
#if STM32_ADC_DUAL_MODE
adcp->adcm->SMPR1 = grpp->smpr[0];
adcp->adcm->SMPR2 = grpp->smpr[1];
adcp->adcm->SQR1 = grpp->sqr[0] | ADC_SQR1_NUM_CH(grpp->num_channels / 2);
adcp->adcm->SQR2 = grpp->sqr[1];
adcp->adcm->SQR3 = grpp->sqr[2];
adcp->adcm->SQR4 = grpp->sqr[3];
adcp->adcs->SMPR1 = grpp->ssmpr[0];
adcp->adcs->SMPR2 = grpp->ssmpr[1];
adcp->adcs->SQR1 = grpp->ssqr[0] | ADC_SQR1_NUM_CH(grpp->num_channels / 2);
adcp->adcs->SQR2 = grpp->ssqr[1];
adcp->adcs->SQR3 = grpp->ssqr[2];
adcp->adcs->SQR4 = grpp->ssqr[3];
#else /* !STM32_ADC_DUAL_MODE */
adcp->adcm->SMPR1 = grpp->smpr[0];
adcp->adcm->SMPR2 = grpp->smpr[1];
adcp->adcm->SQR1 = grpp->sqr[0] | ADC_SQR1_NUM_CH(grpp->num_channels);
adcp->adcm->SQR2 = grpp->sqr[1];
adcp->adcm->SQR3 = grpp->sqr[2];
adcp->adcm->SQR4 = grpp->sqr[3];
#endif /* !STM32_ADC_DUAL_MODE */
/* ADC configuration.*/
adcp->adcm->CFGR = cfgr;
/* Starting conversion.*/
adcp->adcm->CR |= ADC_CR_ADSTART;
}
/**
* @brief Stops an ongoing conversion.
*
* @param[in] adcp pointer to the @p ADCDriver object
*
* @notapi
*/
void adc_lld_stop_conversion(ADCDriver *adcp) {
dmaStreamDisable(adcp->dmastp);
adc_lld_stop_adc(adcp);
}
#endif /* HAL_USE_ADC */
/** @} */

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/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file STM32F30x/adc_lld.h
* @brief STM32F30x ADC subsystem low level driver header.
*
* @addtogroup ADC
* @{
*/
#ifndef _ADC_LLD_H_
#define _ADC_LLD_H_
#if HAL_USE_ADC || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @name Available analog channels
* @{
*/
#define ADC_CHANNEL_IN1 1 /**< @brief External analog input 1. */
#define ADC_CHANNEL_IN2 2 /**< @brief External analog input 2. */
#define ADC_CHANNEL_IN3 3 /**< @brief External analog input 3. */
#define ADC_CHANNEL_IN4 4 /**< @brief External analog input 4. */
#define ADC_CHANNEL_IN5 5 /**< @brief External analog input 5. */
#define ADC_CHANNEL_IN6 6 /**< @brief External analog input 6. */
#define ADC_CHANNEL_IN7 7 /**< @brief External analog input 7. */
#define ADC_CHANNEL_IN8 8 /**< @brief External analog input 8. */
#define ADC_CHANNEL_IN9 9 /**< @brief External analog input 9. */
#define ADC_CHANNEL_IN10 10 /**< @brief External analog input 10. */
#define ADC_CHANNEL_IN11 11 /**< @brief External analog input 11. */
#define ADC_CHANNEL_IN12 12 /**< @brief External analog input 12. */
#define ADC_CHANNEL_IN13 13 /**< @brief External analog input 13. */
#define ADC_CHANNEL_IN14 14 /**< @brief External analog input 14. */
#define ADC_CHANNEL_IN15 15 /**< @brief External analog input 15. */
#define ADC_CHANNEL_IN16 16 /**< @brief External analog input 16. */
#define ADC_CHANNEL_IN17 17 /**< @brief External analog input 17. */
#define ADC_CHANNEL_IN18 18 /**< @brief External analog input 18. */
/** @} */
/**
* @name Sampling rates
* @{
*/
#define ADC_SMPR_SMP_1P5 0 /**< @brief 14 cycles conversion time */
#define ADC_SMPR_SMP_2P5 1 /**< @brief 15 cycles conversion time. */
#define ADC_SMPR_SMP_4P5 2 /**< @brief 17 cycles conversion time. */
#define ADC_SMPR_SMP_7P5 3 /**< @brief 20 cycles conversion time. */
#define ADC_SMPR_SMP_19P5 4 /**< @brief 32 cycles conversion time. */
#define ADC_SMPR_SMP_61P5 5 /**< @brief 74 cycles conversion time. */
#define ADC_SMPR_SMP_181P5 6 /**< @brief 194 cycles conversion time. */
#define ADC_SMPR_SMP_601P5 7 /**< @brief 614 cycles conversion time. */
/** @} */
/**
* @name Resolution
* @{
*/
#define ADC_CFGR1_RES_12BIT (0 << 3)
#define ADC_CFGR1_RES_10BIT (1 << 3)
#define ADC_CFGR1_RES_8BIT (2 << 3)
#define ADC_CFGR1_RES_6BIT (3 << 3)
/** @} */
/**
* @name CFGR register configuration helpers
* @{
*/
#define ADC_CFGR_DMACFG_MASK (1 << 1)
#define ADC_CFGR_DMACFG_ONESHOT (0 << 1)
#define ADC_CFGR_DMACFG_CIRCULAR (1 << 1)
#define ADC_CFGR_RES_MASK (3 << 3)
#define ADC_CFGR_RES_12BITS (0 << 3)
#define ADC_CFGR_RES_10BITS (1 << 3)
#define ADC_CFGR_RES_8BITS (2 << 3)
#define ADC_CFGR_RES_6BITS (3 << 3)
#define ADC_CFGR_ALIGN_MASK (1 << 5)
#define ADC_CFGR_ALIGN_RIGHT (0 << 5)
#define ADC_CFGR_ALIGN_LEFT (1 << 5)
#define ADC_CFGR_EXTSEL_MASK (15 << 6)
#define ADC_CFGR_EXTSEL_SRC(n) ((n) << 6)
#define ADC_CFGR_EXTEN_MASK (3 << 10)
#define ADC_CFGR_EXTEN_DISABLED (0 << 10)
#define ADC_CFGR_EXTEN_RISING (1 << 10)
#define ADC_CFGR_EXTEN_FALLING (2 << 10)
#define ADC_CFGR_EXTEN_BOTH (3 << 10)
#define ADC_CFGR_DISCEN_MASK (1 << 16)
#define ADC_CFGR_DISCEN_DISABLED (0 << 16)
#define ADC_CFGR_DISCEN_ENABLED (1 << 16)
#define ADC_CFGR_DISCNUM_MASK (7 << 17)
#define ADC_CFGR_DISCNUM_VAL(n) ((n) << 17)
#define ADC_CFGR_AWD1_DISABLED 0
#define ADC_CFGR_AWD1_ALL (1 << 23)
#define ADC_CFGR_AWD1_SINGLE(n) (((n) << 26) | (1 << 23) | (1 << 22))
/** @} */
/**
* @name CCR register configuration helpers
* @{
*/
#define ADC_CCR_DUAL_MASK (31 << 0)
#define ADC_CCR_DUAL(n) ((n) << 0)
#define ADC_CCR_DELAY_MASK (15 << 8)
#define ADC_CCR_DELAY(n) ((n) << 8)
#define ADC_CCR_DMACFG_MASK (1 << 13)
#define ADC_CCR_DMACFG_ONESHOT (0 << 13)
#define ADC_CCR_DMACFG_CIRCULAR (1 << 13)
#define ADC_CCR_MDMA_MASK (3 << 14)
#define ADC_CCR_MDMA_DISABLED (0 << 14)
#define ADC_CCR_MDMA_WORD (2 << 14)
#define ADC_CCR_MDMA_HWORD (3 << 14)
#define ADC_CCR_CKMODE_MASK (3 << 16)
#define ADC_CCR_CKMODE_ADCCK (0 << 16)
#define ADC_CCR_CKMODE_AHB_DIV1 (1 << 16)
#define ADC_CCR_CKMODE_AHB_DIV2 (2 << 16)
#define ADC_CCR_CKMODE_AHB_DIV4 (3 << 16)
#define ADC_CCR_VREFEN (1 << 22)
#define ADC_CCR_TSEN (1 << 23)
#define ADC_CCR_VBATEN (1 << 24)
/** @} */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name Configuration options
* @{
*/
/**
* @brief ADC1 driver enable switch.
* @details If set to @p TRUE the support for ADC1 is included.
* @note The default is @p FALSE.
*/
#if !defined(STM32_ADC_USE_ADC1) || defined(__DOXYGEN__)
#define STM32_ADC_USE_ADC1 FALSE
#endif
/**
* @brief ADC3 driver enable switch.
* @details If set to @p TRUE the support for ADC3 is included.
* @note The default is @p FALSE.
*/
#if !defined(STM32_ADC_USE_ADC3) || defined(__DOXYGEN__)
#define STM32_ADC_USE_ADC3 FALSE
#endif
/**
* @brief ADC1/ADC2 DMA priority (0..3|lowest..highest).
*/
#if !defined(STM32_ADC_ADC12_DMA_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_ADC12_DMA_PRIORITY 2
#endif
/**
* @brief ADC3/ADC4 DMA priority (0..3|lowest..highest).
*/
#if !defined(STM32_ADC_ADC34_DMA_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_ADC34_DMA_PRIORITY 2
#endif
/**
* @brief ADC1/ADC2 interrupt priority level setting.
*/
#if !defined(STM32_ADC_ADC12_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_ADC12_IRQ_PRIORITY 5
#endif
/**
* @brief ADC3/ADC4 interrupt priority level setting.
*/
#if !defined(STM32_ADC34_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_ADC34_IRQ_PRIORITY 5
#endif
/**
* @brief ADC1/ADC2 DMA interrupt priority level setting.
*/
#if !defined(STM32_ADC_ADC12_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_ADC12_DMA_IRQ_PRIORITY 5
#endif
/**
* @brief ADC3/ADC4 DMA interrupt priority level setting.
*/
#if !defined(STM32_ADC_ADC34_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_ADC34_DMA_IRQ_PRIORITY 5
#endif
/**
* @brief ADC1/ADC2 clock source and mode.
*/
#if !defined(STM32_ADC_ADC12_CLOCK_MODE) || defined(__DOXYGEN__)
#define STM32_ADC_ADC12_CLOCK_MODE ADC_CCR_CKMODE_AHB_DIV1
#endif
/**
* @brief ADC3/ADC4 clock source and mode.
*/
#if !defined(STM32_ADC_ADC34_CLOCK_MODE) || defined(__DOXYGEN__)
#define STM32_ADC_ADC34_CLOCK_MODE ADC_CCR_CKMODE_AHB_DIV1
#endif
/**
* @brief Enables the ADC master/slave mode.
*/
#if !defined(STM32_ADC_DUAL_MODE) || defined(__DOXYGEN__)
#define STM32_ADC_DUAL_MODE FALSE
#endif
/**
* @brief Makes the ADC samples type an 8bits one.
*/
#if !defined(STM32_ADC_COMPACT_SAMPLES) || defined(__DOXYGEN__)
#define STM32_ADC_COMPACT_SAMPLES FALSE
#endif
/** @} */
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
#if STM32_ADC_USE_ADC1 && !STM32_HAS_ADC1
#error "ADC1 not present in the selected device"
#endif
#if STM32_ADC_USE_ADC3 && !STM32_HAS_ADC3
#error "ADC3 not present in the selected device"
#endif
#if !STM32_ADC_USE_ADC1 && !STM32_ADC_USE_ADC3
#error "ADC driver activated but no ADC peripheral assigned"
#endif
#if STM32_ADC_USE_ADC1 && \
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC12_IRQ_PRIORITY)
#error "Invalid IRQ priority assigned to ADC1"
#endif
#if STM32_ADC_USE_ADC1 && \
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC12_DMA_IRQ_PRIORITY)
#error "Invalid IRQ priority assigned to ADC1 DMA"
#endif
#if STM32_ADC_USE_ADC1 && \
!STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC12_DMA_PRIORITY)
#error "Invalid DMA priority assigned to ADC1"
#endif
#if STM32_ADC_USE_ADC3 && \
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC34_IRQ_PRIORITY)
#error "Invalid IRQ priority assigned to ADC3"
#endif
#if STM32_ADC_USE_ADC3 && \
!CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC34_DMA_IRQ_PRIORITY)
#error "Invalid IRQ priority assigned to ADC3 DMA"
#endif
#if STM32_ADC_USE_ADC3 && \
!STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC34_DMA_PRIORITY)
#error "Invalid DMA priority assigned to ADC3"
#endif
#if STM32_ADC_ADC12_CLOCK_MODE == ADC_CCR_CKMODE_ADCCK
#define STM32_ADC12_CLOCK STM32_ADC12CLK
#elif STM32_ADC_ADC12_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV1
#define STM32_ADC12_CLOCK (STM32_HCLK / 1)
#elif STM32_ADC_ADC12_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV2
#define STM32_ADC12_CLOCK (STM32_HCLK / 2)
#elif STM32_ADC_ADC12_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV4
#define STM32_ADC12_CLOCK (STM32_HCLK / 4)
#else
#error "invalid clock mode selected for STM32_ADC_ADC12_CLOCK_MODE"
#endif
#if STM32_ADC_ADC34_CLOCK_MODE == ADC_CCR_CKMODE_ADCCK
#define STM32_ADC34_CLOCK STM32_ADC34CLK
#elif STM32_ADC_ADC34_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV1
#define STM32_ADC34_CLOCK (STM32_HCLK / 1)
#elif STM32_ADC_ADC34_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV2
#define STM32_ADC34_CLOCK (STM32_HCLK / 2)
#elif STM32_ADC_ADC34_CLOCK_MODE == ADC_CCR_CKMODE_AHB_DIV4
#define STM32_ADC34_CLOCK (STM32_HCLK / 4)
#else
#error "invalid clock mode selected for STM32_ADC_ADC12_CLOCK_MODE"
#endif
#if STM32_ADC12_CLOCK > 72000000
#error "STM32_ADC12_CLOCK exceeding maximum frequency (72000000)"
#endif
#if STM32_ADC34_CLOCK > 72000000
#error "STM32_ADC34_CLOCK exceeding maximum frequency (72000000)"
#endif
#if !defined(STM32_DMA_REQUIRED)
#define STM32_DMA_REQUIRED
#endif
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief ADC sample data type.
*/
#if !STM32_ADC_COMPACT_SAMPLES || defined(__DOXYGEN__)
typedef uint16_t adcsample_t;
#else
typedef uint8_t adcsample_t;
#endif
/**
* @brief Channels number in a conversion group.
*/
typedef uint16_t adc_channels_num_t;
/**
* @brief Possible ADC failure causes.
* @note Error codes are architecture dependent and should not relied
* upon.
*/
typedef enum {
ADC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */
ADC_ERR_OVERFLOW = 1, /**< ADC overflow condition. */
ADC_ERR_AWD1 = 2, /**< Watchdog 1 triggered. */
ADC_ERR_AWD2 = 3, /**< Watchdog 2 triggered. */
ADC_ERR_AWD3 = 4 /**< Watchdog 3 triggered. */
} adcerror_t;
/**
* @brief Type of a structure representing an ADC driver.
*/
typedef struct ADCDriver ADCDriver;
/**
* @brief ADC notification callback type.
*
* @param[in] adcp pointer to the @p ADCDriver object triggering the
* callback
* @param[in] buffer pointer to the most recent samples data
* @param[in] n number of buffer rows available starting from @p buffer
*/
typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n);
/**
* @brief ADC error callback type.
*
* @param[in] adcp pointer to the @p ADCDriver object triggering the
* callback
* @param[in] err ADC error code
*/
typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err);
/**
* @brief Conversion group configuration structure.
* @details This implementation-dependent structure describes a conversion
* operation.
* @note The use of this configuration structure requires knowledge of
* STM32 ADC cell registers interface, please refer to the STM32
* reference manual for details.
*/
typedef struct {
/**
* @brief Enables the circular buffer mode for the group.
*/
bool_t circular;
/**
* @brief Number of the analog channels belonging to the conversion group.
*/
adc_channels_num_t num_channels;
/**
* @brief Callback function associated to the group or @p NULL.
*/
adccallback_t end_cb;
/**
* @brief Error callback or @p NULL.
*/
adcerrorcallback_t error_cb;
/* End of the mandatory fields.*/
/**
* @brief ADC CFGR register initialization data.
* @note The bits DMAEN and DMACFG are enforced internally
* to the driver, keep them to zero.
* @note The bits @p ADC_CFGR_CONT or @p ADC_CFGR_DISCEN must be
* specified in continuous more or if the buffer depth is
* greater than one.
*/
uint32_t cfgr;
/**
* @brief ADC TR1 register initialization data.
*/
uint32_t tr1;
/**
* @brief ADC CCR register initialization data.
* @note The bits CKMODE, MDMA, DMACFG are enforced internally to the
* driver, keep them to zero.
*/
uint32_t ccr;
/**
* @brief ADC SMPRx registers initialization data.
*/
uint32_t smpr[2];
/**
* @brief ADC SQRx register initialization data.
*/
uint32_t sqr[4];
#if STM32_ADC_DUAL_MODE || defined(__DOXYGEN__)
/**
* @brief Slave ADC SMPRx registers initialization data.
*/
uint32_t ssmpr[2];
/**
* @brief Slave ADC SQRx register initialization data.
*/
uint32_t ssqr[4];
#endif /* STM32_ADC_DUAL_MODE */
} ADCConversionGroup;
/**
* @brief Driver configuration structure.
* @note It could be empty on some architectures.
*/
typedef struct {
uint32_t dummy;
} ADCConfig;
/**
* @brief Structure representing an ADC driver.
*/
struct ADCDriver {
/**
* @brief Driver state.
*/
adcstate_t state;
/**
* @brief Current configuration data.
*/
const ADCConfig *config;
/**
* @brief Current samples buffer pointer or @p NULL.
*/
adcsample_t *samples;
/**
* @brief Current samples buffer depth or @p 0.
*/
size_t depth;
/**
* @brief Current conversion group pointer or @p NULL.
*/
const ADCConversionGroup *grpp;
#if ADC_USE_WAIT || defined(__DOXYGEN__)
/**
* @brief Waiting thread.
*/
Thread *thread;
#endif
#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
#if CH_USE_MUTEXES || defined(__DOXYGEN__)
/**
* @brief Mutex protecting the peripheral.
*/
Mutex mutex;
#elif CH_USE_SEMAPHORES
Semaphore semaphore;
#endif
#endif /* ADC_USE_MUTUAL_EXCLUSION */
#if defined(ADC_DRIVER_EXT_FIELDS)
ADC_DRIVER_EXT_FIELDS
#endif
/* End of the mandatory fields.*/
/**
* @brief Pointer to the common ADCx_y registers block.
*/
ADC_Common_TypeDef *adcc;
/**
* @brief Pointer to the master ADCx registers block.
*/
ADC_TypeDef *adcm;
#if STM32_ADC_DUAL_MODE || defined(__DOXYGEN__)
/**
* @brief Pointer to the slave ADCx registers block.
*/
ADC_TypeDef *adcs;
#endif /* STM32_ADC_DUAL_MODE */
/**
* @brief Pointer to associated DMA channel.
*/
const stm32_dma_stream_t *dmastp;
/**
* @brief DMA mode bit mask.
*/
uint32_t dmamode;
};
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @name Threashold register initializer
* @{
*/
#define ADC_TR(low, high) (((uint32_t)(high) << 16) | (uint32_t)(low))
/** @} */
/**
* @name Sequences building helper macros
* @{
*/
/**
* @brief Number of channels in a conversion sequence.
*/
#define ADC_SQR1_NUM_CH(n) (((n) - 1) << 0)
#define ADC_SQR1_SQ1_N(n) ((n) << 6) /**< @brief 1st channel in seq. */
#define ADC_SQR1_SQ2_N(n) ((n) << 12) /**< @brief 2nd channel in seq. */
#define ADC_SQR1_SQ3_N(n) ((n) << 18) /**< @brief 3rd channel in seq. */
#define ADC_SQR1_SQ4_N(n) ((n) << 24) /**< @brief 4th channel in seq. */
#define ADC_SQR2_SQ5_N(n) ((n) << 0) /**< @brief 5th channel in seq. */
#define ADC_SQR2_SQ6_N(n) ((n) << 6) /**< @brief 6th channel in seq. */
#define ADC_SQR2_SQ7_N(n) ((n) << 12) /**< @brief 7th channel in seq. */
#define ADC_SQR2_SQ8_N(n) ((n) << 18) /**< @brief 8th channel in seq. */
#define ADC_SQR2_SQ9_N(n) ((n) << 24) /**< @brief 9th channel in seq. */
#define ADC_SQR3_SQ10_N(n) ((n) << 0) /**< @brief 10th channel in seq.*/
#define ADC_SQR3_SQ11_N(n) ((n) << 6) /**< @brief 11th channel in seq.*/
#define ADC_SQR3_SQ12_N(n) ((n) << 12) /**< @brief 12th channel in seq.*/
#define ADC_SQR3_SQ13_N(n) ((n) << 18) /**< @brief 13th channel in seq.*/
#define ADC_SQR3_SQ14_N(n) ((n) << 24) /**< @brief 14th channel in seq.*/
#define ADC_SQR4_SQ15_N(n) ((n) << 0) /**< @brief 15th channel in seq.*/
#define ADC_SQR4_SQ16_N(n) ((n) << 6) /**< @brief 16th channel in seq.*/
/** @} */
/**
* @name Sampling rate settings helper macros
* @{
*/
#define ADC_SMPR1_SMP_AN1(n) ((n) << 3) /**< @brief AN1 sampling time. */
#define ADC_SMPR1_SMP_AN2(n) ((n) << 6) /**< @brief AN2 sampling time. */
#define ADC_SMPR1_SMP_AN3(n) ((n) << 9) /**< @brief AN3 sampling time. */
#define ADC_SMPR1_SMP_AN4(n) ((n) << 12) /**< @brief AN4 sampling time. */
#define ADC_SMPR1_SMP_AN5(n) ((n) << 15) /**< @brief AN5 sampling time. */
#define ADC_SMPR1_SMP_AN6(n) ((n) << 18) /**< @brief AN6 sampling time. */
#define ADC_SMPR1_SMP_AN7(n) ((n) << 21) /**< @brief AN7 sampling time. */
#define ADC_SMPR1_SMP_AN8(n) ((n) << 24) /**< @brief AN8 sampling time. */
#define ADC_SMPR1_SMP_AN9(n) ((n) << 27) /**< @brief AN9 sampling time. */
#define ADC_SMPR2_SMP_AN10(n) ((n) << 0) /**< @brief AN10 sampling time. */
#define ADC_SMPR2_SMP_AN11(n) ((n) << 3) /**< @brief AN11 sampling time. */
#define ADC_SMPR2_SMP_AN12(n) ((n) << 6) /**< @brief AN12 sampling time. */
#define ADC_SMPR2_SMP_AN13(n) ((n) << 9) /**< @brief AN13 sampling time. */
#define ADC_SMPR2_SMP_AN14(n) ((n) << 12) /**< @brief AN14 sampling time. */
#define ADC_SMPR2_SMP_AN15(n) ((n) << 15) /**< @brief AN15 sampling time. */
#define ADC_SMPR2_SMP_AN16(n) ((n) << 18) /**< @brief AN16 sampling time. */
#define ADC_SMPR2_SMP_AN17(n) ((n) << 21) /**< @brief AN17 sampling time. */
#define ADC_SMPR2_SMP_AN18(n) ((n) << 24) /**< @brief AN18 sampling time. */
/** @} */
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#if STM32_ADC_USE_ADC1 && !defined(__DOXYGEN__)
extern ADCDriver ADCD1;
#endif
#if STM32_ADC_USE_ADC3 && !defined(__DOXYGEN__)
extern ADCDriver ADCD3;
#endif
#ifdef __cplusplus
extern "C" {
#endif
void adc_lld_init(void);
void adc_lld_start(ADCDriver *adcp);
void adc_lld_stop(ADCDriver *adcp);
void adc_lld_start_conversion(ADCDriver *adcp);
void adc_lld_stop_conversion(ADCDriver *adcp);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_ADC */
#endif /* _ADC_LLD_H_ */
/** @} */

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@@ -0,0 +1,418 @@
/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file STM32F30x/ext_lld_isr.c
* @brief STM32F30x EXT subsystem low level driver ISR code.
*
* @addtogroup EXT
* @{
*/
#include "ch.h"
#include "hal.h"
#if HAL_USE_EXT || defined(__DOXYGEN__)
#include "ext_lld_isr.h"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
#if !defined(STM32_DISABLE_EXTI0_HANDLER)
/**
* @brief EXTI[0] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector58) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 0);
EXTD1.config->channels[0].cb(&EXTD1, 0);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI1_HANDLER)
/**
* @brief EXTI[1] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector5C) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 1);
EXTD1.config->channels[1].cb(&EXTD1, 1);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI2_HANDLER)
/**
* @brief EXTI[2] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector60) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 2);
EXTD1.config->channels[2].cb(&EXTD1, 2);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI3_HANDLER)
/**
* @brief EXTI[3] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector64) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 3);
EXTD1.config->channels[3].cb(&EXTD1, 3);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI4_HANDLER)
/**
* @brief EXTI[4] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector68) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 4);
EXTD1.config->channels[4].cb(&EXTD1, 4);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI5_9_HANDLER)
/**
* @brief EXTI[5]...EXTI[9] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector9C) {
uint32_t pr;
CH_IRQ_PROLOGUE();
pr = EXTI->PR & ((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9));
EXTI->PR = pr;
if (pr & (1 << 5))
EXTD1.config->channels[5].cb(&EXTD1, 5);
if (pr & (1 << 6))
EXTD1.config->channels[6].cb(&EXTD1, 6);
if (pr & (1 << 7))
EXTD1.config->channels[7].cb(&EXTD1, 7);
if (pr & (1 << 8))
EXTD1.config->channels[8].cb(&EXTD1, 8);
if (pr & (1 << 9))
EXTD1.config->channels[9].cb(&EXTD1, 9);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI10_15_HANDLER)
/**
* @brief EXTI[10]...EXTI[15] interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(VectorE0) {
uint32_t pr;
CH_IRQ_PROLOGUE();
pr = EXTI->PR & ((1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) | (1 << 14) |
(1 << 15));
EXTI->PR = pr;
if (pr & (1 << 10))
EXTD1.config->channels[10].cb(&EXTD1, 10);
if (pr & (1 << 11))
EXTD1.config->channels[11].cb(&EXTD1, 11);
if (pr & (1 << 12))
EXTD1.config->channels[12].cb(&EXTD1, 12);
if (pr & (1 << 13))
EXTD1.config->channels[13].cb(&EXTD1, 13);
if (pr & (1 << 14))
EXTD1.config->channels[14].cb(&EXTD1, 14);
if (pr & (1 << 15))
EXTD1.config->channels[15].cb(&EXTD1, 15);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI16_HANDLER)
/**
* @brief EXTI[16] interrupt handler (PVD).
*
* @isr
*/
CH_IRQ_HANDLER(Vector44) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 16);
EXTD1.config->channels[16].cb(&EXTD1, 16);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI17_HANDLER)
/**
* @brief EXTI[17] interrupt handler (RTC Alarm).
*
* @isr
*/
CH_IRQ_HANDLER(VectorE4) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 17);
EXTD1.config->channels[17].cb(&EXTD1, 17);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI18_HANDLER)
/**
* @brief EXTI[18] interrupt handler (USB Wakeup).
*
* @isr
*/
CH_IRQ_HANDLER(VectorE8) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 18);
EXTD1.config->channels[18].cb(&EXTD1, 18);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI19_HANDLER)
/**
* @brief EXTI[19] interrupt handler (Tamper TimeStamp).
*
* @isr
*/
CH_IRQ_HANDLER(Vector48) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 19);
EXTD1.config->channels[19].cb(&EXTD1, 19);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI20_HANDLER)
/**
* @brief EXTI[20] interrupt handler (RTC Wakeup).
*
* @isr
*/
CH_IRQ_HANDLER(Vector4C) {
CH_IRQ_PROLOGUE();
EXTI->PR = (1 << 20);
EXTD1.config->channels[20].cb(&EXTD1, 20);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI21_22_29_HANDLER)
/**
* @brief EXTI[21],EXTI[22],EXTI[29] interrupt handler (COMP1, COMP2, COMP3).
*
* @isr
*/
CH_IRQ_HANDLER(Vector140) {
uint32_t pr;
CH_IRQ_PROLOGUE();
pr = EXTI->PR & ((1 << 21) | (1 << 22) | (1 << 29));
EXTI->PR = pr;
if (pr & (1 << 21))
EXTD1.config->channels[21].cb(&EXTD1, 21);
if (pr & (1 << 22))
EXTD1.config->channels[22].cb(&EXTD1, 22);
if (pr & (1 << 29))
EXTD1.config->channels[29].cb(&EXTD1, 29);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI30_32_HANDLER)
/**
* @brief EXTI[30]...EXTI[32] interrupt handler (COMP4, COMP5, COMP6).
*
* @isr
*/
CH_IRQ_HANDLER(Vector144) {
uint32_t pr;
CH_IRQ_PROLOGUE();
pr = EXTI->PR & ((1 << 30) | (1 << 31));
EXTI->PR = pr;
if (pr & (1 << 30))
EXTD1.config->channels[30].cb(&EXTD1, 30);
if (pr & (1 << 31))
EXTD1.config->channels[31].cb(&EXTD1, 31);
pr = EXTI->PR2 & (1 << 0);
EXTI->PR2 = pr;
if (pr & (1 << 0))
EXTD1.config->channels[32].cb(&EXTD1, 32);
CH_IRQ_EPILOGUE();
}
#endif
#if !defined(STM32_DISABLE_EXTI33_HANDLER)
/**
* @brief EXTI[33] interrupt handler (COMP7).
*
* @isr
*/
CH_IRQ_HANDLER(RTC_WKUP_IRQHandler) {
CH_IRQ_PROLOGUE();
EXTI->PR2 = (1 << 1);
EXTD1.config->channels[33].cb(&EXTD1, 33);
CH_IRQ_EPILOGUE();
}
#endif
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Enables EXTI IRQ sources.
*
* @notapi
*/
void ext_lld_exti_irq_enable(void) {
nvicEnableVector(EXTI0_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI0_IRQ_PRIORITY));
nvicEnableVector(EXTI1_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI1_IRQ_PRIORITY));
nvicEnableVector(EXTI2_TS_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI2_IRQ_PRIORITY));
nvicEnableVector(EXTI3_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI3_IRQ_PRIORITY));
nvicEnableVector(EXTI4_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI4_IRQ_PRIORITY));
nvicEnableVector(EXTI9_5_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI5_9_IRQ_PRIORITY));
nvicEnableVector(EXTI15_10_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI10_15_IRQ_PRIORITY));
nvicEnableVector(PVD_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI16_IRQ_PRIORITY));
nvicEnableVector(RTC_Alarm_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI17_IRQ_PRIORITY));
nvicEnableVector(USBWakeUp_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI18_IRQ_PRIORITY));
nvicEnableVector(TAMPER_STAMP_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI19_IRQ_PRIORITY));
nvicEnableVector(RTC_WKUP_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI20_IRQ_PRIORITY));
nvicEnableVector(COMP1_2_3_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI21_22_29_IRQ_PRIORITY));
nvicEnableVector(COMP4_5_6_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI30_32_IRQ_PRIORITY));
nvicEnableVector(COMP7_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI33_IRQ_PRIORITY));
}
/**
* @brief Disables EXTI IRQ sources.
*
* @notapi
*/
void ext_lld_exti_irq_disable(void) {
nvicDisableVector(EXTI0_IRQn);
nvicDisableVector(EXTI1_IRQn);
nvicDisableVector(EXTI2_TS_IRQn);
nvicDisableVector(EXTI3_IRQn);
nvicDisableVector(EXTI4_IRQn);
nvicDisableVector(EXTI9_5_IRQn);
nvicDisableVector(EXTI15_10_IRQn);
nvicDisableVector(PVD_IRQn);
nvicDisableVector(RTC_Alarm_IRQn);
nvicDisableVector(USBWakeUp_IRQn);
nvicDisableVector(TAMPER_STAMP_IRQn);
nvicDisableVector(RTC_WKUP_IRQn);
nvicDisableVector(COMP1_2_3_IRQn);
nvicDisableVector(COMP4_5_6_IRQn);
nvicDisableVector(COMP7_IRQn);
}
#endif /* HAL_USE_EXT */
/** @} */

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/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file STM32F30x/ext_lld_isr.h
* @brief STM32F30x EXT subsystem low level driver ISR header.
*
* @addtogroup EXT
* @{
*/
#ifndef _EXT_LLD_ISR_H_
#define _EXT_LLD_ISR_H_
#if HAL_USE_EXT || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name Configuration options
* @{
*/
/**
* @brief EXTI0 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI0_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI0_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI1 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI1_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI1_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI2 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI2_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI2_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI3 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI3_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI3_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI4 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI4_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI4_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI5..9 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI5_9_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI5_9_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI10..15 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI10_15_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI10_15_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI16 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI16_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI16_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI17 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI17_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI17_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI18 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI18_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI19 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI19_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI20 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI20_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI21,22,29 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI21_22_29_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI30..32 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI30_32_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI30_32_IRQ_PRIORITY 6
#endif
/**
* @brief EXTI33 interrupt priority level setting.
*/
#if !defined(STM32_EXT_EXTI33_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_EXT_EXTI33_IRQ_PRIORITY 6
#endif
/** @} */
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void ext_lld_exti_irq_enable(void);
void ext_lld_exti_irq_disable(void);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_EXT */
#endif /* _EXT_LLD_ISR_H_ */
/** @} */

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/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file STM32F30x/hal_lld.c
* @brief STM32F30x HAL subsystem low level driver source.
*
* @addtogroup HAL
* @{
*/
#include "ch.h"
#include "hal.h"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/**
* @brief Initializes the backup domain.
* @note WARNING! Changing clock source impossible without resetting
* of the whole BKP domain.
*/
static void hal_lld_backup_domain_init(void) {
/* Backup domain access enabled and left open.*/
PWR->CR |= PWR_CR_DBP;
/* Reset BKP domain if different clock source selected.*/
if ((RCC->BDCR & STM32_RTCSEL_MASK) != STM32_RTCSEL){
/* Backup domain reset.*/
RCC->BDCR = RCC_BDCR_BDRST;
RCC->BDCR = 0;
}
/* If enabled then the LSE is started.*/
#if STM32_LSE_ENABLED
#if defined(STM32_LSE_BYPASS)
/* LSE Bypass.*/
RCC->BDCR |= STM32_LSEDRV | RCC_BDCR_LSEON | RCC_BDCR_LSEBYP;
#else
/* No LSE Bypass.*/
RCC->BDCR |= STM32_LSEDRV | RCC_BDCR_LSEON;
#endif
while ((RCC->BDCR & RCC_BDCR_LSERDY) == 0)
; /* Waits until LSE is stable. */
#endif
#if STM32_RTCSEL != STM32_RTCSEL_NOCLOCK
/* If the backup domain hasn't been initialized yet then proceed with
initialization.*/
if ((RCC->BDCR & RCC_BDCR_RTCEN) == 0) {
/* Selects clock source.*/
RCC->BDCR |= STM32_RTCSEL;
/* RTC clock enabled.*/
RCC->BDCR |= RCC_BDCR_RTCEN;
}
#endif /* STM32_RTCSEL != STM32_RTCSEL_NOCLOCK */
}
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level HAL driver initialization.
*
* @notapi
*/
void hal_lld_init(void) {
/* Reset of all peripherals.*/
rccResetAHB(0xFFFFFFFF);
rccResetAPB1(0xFFFFFFFF);
rccResetAPB2(0xFFFFFFFF);
/* SysTick initialization using the system clock.*/
SysTick->LOAD = STM32_HCLK / CH_FREQUENCY - 1;
SysTick->VAL = 0;
SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
SysTick_CTRL_ENABLE_Msk |
SysTick_CTRL_TICKINT_Msk;
/* DWT cycle counter enable.*/
SCS_DEMCR |= SCS_DEMCR_TRCENA;
DWT_CTRL |= DWT_CTRL_CYCCNTENA;
/* PWR clock enabled.*/
rccEnablePWRInterface(FALSE);
/* Initializes the backup domain.*/
hal_lld_backup_domain_init();
#if defined(STM32_DMA_REQUIRED)
dmaInit();
#endif
/* Programmable voltage detector enable.*/
#if STM32_PVD_ENABLE
PWR->CR |= PWR_CR_PVDE | (STM32_PLS & STM32_PLS_MASK);
#endif /* STM32_PVD_ENABLE */
/* SYSCFG clock enabled here because it is a multi-functional unit shared
among multiple drivers.*/
rccEnableAPB2(RCC_APB2ENR_SYSCFGEN, TRUE);
/* USB IRQ relocated to not conflict with CAN.*/
SYSCFG->CFGR1 |= SYSCFG_CFGR1_USB_IT_RMP;
}
/**
* @brief STM32 clocks and PLL initialization.
* @note All the involved constants come from the file @p board.h.
* @note This function should be invoked just after the system reset.
*
* @special
*/
void stm32_clock_init(void) {
#if !STM32_NO_INIT
/* HSI setup, it enforces the reset situation in order to handle possible
problems with JTAG probes and re-initializations.*/
RCC->CR |= RCC_CR_HSION; /* Make sure HSI is ON. */
while (!(RCC->CR & RCC_CR_HSIRDY))
; /* Wait until HSI is stable. */
/* HSI is selected as new source without touching the other fields in
CFGR. Clearing the register has to be postponed after HSI is the
new source.*/
RCC->CFGR &= ~RCC_CFGR_SW; /* Reset SW */
RCC->CFGR |= RCC_CFGR_SWS_HSI; /* Select HSI as internal*/
while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI)
; /* Wait until HSI is selected. */
/* Registers finally cleared to reset values.*/
RCC->CR &= RCC_CR_HSITRIM | RCC_CR_HSION; /* CR Reset value. */
RCC->CFGR = 0; /* CFGR reset value. */
#if STM32_HSE_ENABLED
/* HSE activation.*/
#if defined(STM32_HSE_BYPASS)
/* HSE Bypass.*/
RCC->CR |= RCC_CR_HSEON | RCC_CR_HSEBYP;
#else
/* No HSE Bypass.*/
RCC->CR |= RCC_CR_HSEON;
#endif
while (!(RCC->CR & RCC_CR_HSERDY))
; /* Waits until HSE is stable. */
#endif
#if STM32_LSI_ENABLED
/* LSI activation.*/
RCC->CSR |= RCC_CSR_LSION;
while ((RCC->CSR & RCC_CSR_LSIRDY) == 0)
; /* Waits until LSI is stable. */
#endif
/* Clock settings.*/
RCC->CFGR = STM32_MCOSEL | STM32_USBPRE | STM32_PLLMUL |
STM32_PLLSRC | STM32_PPRE1 | STM32_PPRE2 |
STM32_HPRE;
RCC->CFGR2 = STM32_ADC34PRES | STM32_ADC12PRES | STM32_PREDIV;
RCC->CFGR3 = STM32_UART5SW | STM32_UART4SW | STM32_USART3SW |
STM32_USART2SW | STM32_I2C2SW | STM32_I2C1SW |
STM32_USART1SW;
#if STM32_ACTIVATE_PLL
/* PLL activation.*/
RCC->CR |= RCC_CR_PLLON;
while (!(RCC->CR & RCC_CR_PLLRDY))
; /* Waits until PLL is stable. */
#endif
/* Flash setup and final clock selection. */
FLASH->ACR = STM32_FLASHBITS;
/* Switching to the configured clock source if it is different from HSI.*/
#if (STM32_SW != STM32_SW_HSI)
/* Switches clock source.*/
RCC->CFGR |= STM32_SW;
while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2))
; /* Waits selection complete. */
#endif
/* After PLL activation because the special requirements for TIM1 and
TIM8 bits.*/
RCC->CFGR3 |= STM32_TIM8SW | STM32_TIM1SW;
#endif /* !STM32_NO_INIT */
}
/** @} */

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# List of all the STM32F30x platform files.
PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/STM32F30x/stm32_dma.c \
${CHIBIOS}/os/hal/platforms/STM32F30x/hal_lld.c \
${CHIBIOS}/os/hal/platforms/STM32F30x/adc_lld.c \
${CHIBIOS}/os/hal/platforms/STM32F30x/ext_lld_isr.c \
${CHIBIOS}/os/hal/platforms/STM32/can_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/ext_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/GPIOv2/pal_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/I2Cv2/i2c_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/RTCv2/rtc_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/SPIv2/spi_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/TIMv1/gpt_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/TIMv1/icu_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/TIMv1/pwm_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/USARTv2/serial_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/USARTv2/uart_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/USBv1/usb_lld.c
# Required include directories
PLATFORMINC = ${CHIBIOS}/os/hal/platforms/STM32F30x \
${CHIBIOS}/os/hal/platforms/STM32 \
${CHIBIOS}/os/hal/platforms/STM32/GPIOv2 \
${CHIBIOS}/os/hal/platforms/STM32/I2Cv2 \
${CHIBIOS}/os/hal/platforms/STM32/RTCv2 \
${CHIBIOS}/os/hal/platforms/STM32/SPIv2 \
${CHIBIOS}/os/hal/platforms/STM32/TIMv1 \
${CHIBIOS}/os/hal/platforms/STM32/USARTv2 \
${CHIBIOS}/os/hal/platforms/STM32/USBv1

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/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file STM32F30x/stm32_dma.c
* @brief DMA helper driver code.
*
* @addtogroup STM32F30x_DMA
* @details DMA sharing helper driver. In the STM32 the DMA streams are a
* shared resource, this driver allows to allocate and free DMA
* streams at runtime in order to allow all the other device
* drivers to coordinate the access to the resource.
* @note The DMA ISR handlers are all declared into this module because
* sharing, the various device drivers can associate a callback to
* ISRs when allocating streams.
* @{
*/
#include "ch.h"
#include "hal.h"
/* The following macro is only defined if some driver requiring DMA services
has been enabled.*/
#if defined(STM32_DMA_REQUIRED) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/**
* @brief Mask of the DMA1 streams in @p dma_streams_mask.
*/
#define STM32_DMA1_STREAMS_MASK 0x0000007F
/**
* @brief Mask of the DMA2 streams in @p dma_streams_mask.
*/
#define STM32_DMA2_STREAMS_MASK 0x00000F80
/**
* @brief Post-reset value of the stream CCR register.
*/
#define STM32_DMA_CCR_RESET_VALUE 0x00000000
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/**
* @brief DMA streams descriptors.
* @details This table keeps the association between an unique stream
* identifier and the involved physical registers.
* @note Don't use this array directly, use the appropriate wrapper macros
* instead: @p STM32_DMA1_STREAM1, @p STM32_DMA1_STREAM2 etc.
*/
const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS] = {
{DMA1_Channel1, &DMA1->IFCR, 0, 0, DMA1_Channel1_IRQn},
{DMA1_Channel2, &DMA1->IFCR, 4, 1, DMA1_Channel2_IRQn},
{DMA1_Channel3, &DMA1->IFCR, 8, 2, DMA1_Channel3_IRQn},
{DMA1_Channel4, &DMA1->IFCR, 12, 3, DMA1_Channel4_IRQn},
{DMA1_Channel5, &DMA1->IFCR, 16, 4, DMA1_Channel5_IRQn},
{DMA1_Channel6, &DMA1->IFCR, 20, 5, DMA1_Channel6_IRQn},
{DMA1_Channel7, &DMA1->IFCR, 24, 6, DMA1_Channel7_IRQn},
{DMA2_Channel1, &DMA2->IFCR, 0, 7, DMA2_Channel1_IRQn},
{DMA2_Channel2, &DMA2->IFCR, 4, 8, DMA2_Channel2_IRQn},
{DMA2_Channel3, &DMA2->IFCR, 8, 9, DMA2_Channel3_IRQn},
{DMA2_Channel4, &DMA2->IFCR, 12, 10, DMA2_Channel4_IRQn},
{DMA2_Channel5, &DMA2->IFCR, 16, 11, DMA2_Channel5_IRQn},
};
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/**
* @brief DMA ISR redirector type.
*/
typedef struct {
stm32_dmaisr_t dma_func; /**< @brief DMA callback function. */
void *dma_param; /**< @brief DMA callback parameter. */
} dma_isr_redir_t;
/**
* @brief Mask of the allocated streams.
*/
static uint32_t dma_streams_mask;
/**
* @brief DMA IRQ redirectors.
*/
static dma_isr_redir_t dma_isr_redir[STM32_DMA_STREAMS];
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/**
* @brief DMA1 stream 1 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector6C) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->ISR >> 0) & STM32_DMA_ISR_MASK;
DMA1->IFCR = flags << 0;
if (dma_isr_redir[0].dma_func)
dma_isr_redir[0].dma_func(dma_isr_redir[0].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA1 stream 2 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector70) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->ISR >> 4) & STM32_DMA_ISR_MASK;
DMA1->IFCR = flags << 4;
if (dma_isr_redir[1].dma_func)
dma_isr_redir[1].dma_func(dma_isr_redir[1].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA1 stream 3 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector74) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->ISR >> 8) & STM32_DMA_ISR_MASK;
DMA1->IFCR = flags << 8;
if (dma_isr_redir[2].dma_func)
dma_isr_redir[2].dma_func(dma_isr_redir[2].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA1 stream 4 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector78) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->ISR >> 12) & STM32_DMA_ISR_MASK;
DMA1->IFCR = flags << 12;
if (dma_isr_redir[3].dma_func)
dma_isr_redir[3].dma_func(dma_isr_redir[3].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA1 stream 5 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector7C) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->ISR >> 16) & STM32_DMA_ISR_MASK;
DMA1->IFCR = flags << 16;
if (dma_isr_redir[4].dma_func)
dma_isr_redir[4].dma_func(dma_isr_redir[4].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA1 stream 6 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector80) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->ISR >> 20) & STM32_DMA_ISR_MASK;
DMA1->IFCR = flags << 20;
if (dma_isr_redir[5].dma_func)
dma_isr_redir[5].dma_func(dma_isr_redir[5].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA1 stream 7 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector84) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA1->ISR >> 24) & STM32_DMA_ISR_MASK;
DMA1->IFCR = flags << 24;
if (dma_isr_redir[6].dma_func)
dma_isr_redir[6].dma_func(dma_isr_redir[6].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA2 stream 1 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector120) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA2->ISR >> 0) & STM32_DMA_ISR_MASK;
DMA2->IFCR = flags << 0;
if (dma_isr_redir[7].dma_func)
dma_isr_redir[7].dma_func(dma_isr_redir[7].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA2 stream 2 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector124) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA2->ISR >> 4) & STM32_DMA_ISR_MASK;
DMA2->IFCR = flags << 4;
if (dma_isr_redir[8].dma_func)
dma_isr_redir[8].dma_func(dma_isr_redir[8].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA2 stream 3 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector128) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA2->ISR >> 8) & STM32_DMA_ISR_MASK;
DMA2->IFCR = flags << 8;
if (dma_isr_redir[9].dma_func)
dma_isr_redir[9].dma_func(dma_isr_redir[9].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA2 stream 4 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector12C) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA2->ISR >> 12) & STM32_DMA_ISR_MASK;
DMA2->IFCR = flags << 12;
if (dma_isr_redir[10].dma_func)
dma_isr_redir[10].dma_func(dma_isr_redir[10].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/**
* @brief DMA2 stream 5 shared interrupt handler.
*
* @isr
*/
CH_IRQ_HANDLER(Vector130) {
uint32_t flags;
CH_IRQ_PROLOGUE();
flags = (DMA2->ISR >> 16) & STM32_DMA_ISR_MASK;
DMA2->IFCR = flags << 16;
if (dma_isr_redir[11].dma_func)
dma_isr_redir[11].dma_func(dma_isr_redir[11].dma_param, flags);
CH_IRQ_EPILOGUE();
}
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief STM32 DMA helper initialization.
*
* @init
*/
void dmaInit(void) {
int i;
dma_streams_mask = 0;
for (i = 0; i < STM32_DMA_STREAMS; i++) {
_stm32_dma_streams[i].channel->CCR = 0;
dma_isr_redir[i].dma_func = NULL;
}
DMA1->IFCR = 0xFFFFFFFF;
#if STM32_HAS_DMA2
DMA2->IFCR = 0xFFFFFFFF;
#endif
}
/**
* @brief Allocates a DMA stream.
* @details The stream is allocated and, if required, the DMA clock enabled.
* The function also enables the IRQ vector associated to the stream
* and initializes its priority.
* @pre The stream must not be already in use or an error is returned.
* @post The stream is allocated and the default ISR handler redirected
* to the specified function.
* @post The stream ISR vector is enabled and its priority configured.
* @post The stream must be freed using @p dmaStreamRelease() before it can
* be reused with another peripheral.
* @post The stream is in its post-reset state.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @param[in] priority IRQ priority mask for the DMA stream
* @param[in] func handling function pointer, can be @p NULL
* @param[in] param a parameter to be passed to the handling function
* @return The operation status.
* @retval FALSE no error, stream taken.
* @retval TRUE error, stream already taken.
*
* @special
*/
bool_t dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
uint32_t priority,
stm32_dmaisr_t func,
void *param) {
chDbgCheck(dmastp != NULL, "dmaStreamAllocate");
/* Checks if the stream is already taken.*/
if ((dma_streams_mask & (1 << dmastp->selfindex)) != 0)
return TRUE;
/* Marks the stream as allocated.*/
dma_isr_redir[dmastp->selfindex].dma_func = func;
dma_isr_redir[dmastp->selfindex].dma_param = param;
dma_streams_mask |= (1 << dmastp->selfindex);
/* Enabling DMA clocks required by the current streams set.*/
if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) != 0)
rccEnableDMA1(FALSE);
#if STM32_HAS_DMA2
if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) != 0)
rccEnableDMA2(FALSE);
#endif
/* Putting the stream in a safe state.*/
dmaStreamDisable(dmastp);
dmastp->channel->CCR = STM32_DMA_CCR_RESET_VALUE;
/* Enables the associated IRQ vector if a callback is defined.*/
if (func != NULL)
nvicEnableVector(dmastp->vector, CORTEX_PRIORITY_MASK(priority));
return FALSE;
}
/**
* @brief Releases a DMA stream.
* @details The stream is freed and, if required, the DMA clock disabled.
* Trying to release a unallocated stream is an illegal operation
* and is trapped if assertions are enabled.
* @pre The stream must have been allocated using @p dmaStreamAllocate().
* @post The stream is again available.
* @note This function can be invoked in both ISR or thread context.
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
*
* @special
*/
void dmaStreamRelease(const stm32_dma_stream_t *dmastp) {
chDbgCheck(dmastp != NULL, "dmaStreamRelease");
/* Check if the streams is not taken.*/
chDbgAssert((dma_streams_mask & (1 << dmastp->selfindex)) != 0,
"dmaStreamRelease(), #1", "not allocated");
/* Disables the associated IRQ vector.*/
nvicDisableVector(dmastp->vector);
/* Marks the stream as not allocated.*/
dma_streams_mask &= ~(1 << dmastp->selfindex);
/* Shutting down clocks that are no more required, if any.*/
if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) == 0)
rccDisableDMA1(FALSE);
#if STM32_HAS_DMA2
if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) == 0)
rccDisableDMA2(FALSE);
#endif
}
#endif /* STM32_DMA_REQUIRED */
/** @} */

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/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file STM32F30x/stm32_dma.h
* @brief DMA helper driver header.
* @note This file requires definitions from the ST header file stm32f30x.h.
* @note This driver uses the new naming convention used for the STM32F2xx
* so the "DMA channels" are referred as "DMA streams".
*
* @addtogroup STM32F30x_DMA
* @{
*/
#ifndef _STM32_DMA_H_
#define _STM32_DMA_H_
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @brief Total number of DMA streams.
* @note This is the total number of streams among all the DMA units.
*/
#if STM32_HAS_DMA2 || defined(__DOXYGEN__)
#define STM32_DMA_STREAMS 12
#else
#define STM32_DMA_STREAMS 7
#endif
/**
* @brief Mask of the ISR bits passed to the DMA callback functions.
*/
#define STM32_DMA_ISR_MASK 0x0F
/**
* @brief Returns the channel associated to the specified stream.
*
* @param[in] n the stream number (0...STM32_DMA_STREAMS-1)
* @param[in] c a stream/channel association word, one channel per
* nibble, not associated channels must be set to 0xF
* @return Always zero, in this platform there is no dynamic
* association between streams and channels.
*/
#define STM32_DMA_GETCHANNEL(n, c) 0
/**
* @brief Checks if a DMA priority is within the valid range.
* @param[in] prio DMA priority
*
* @retval The check result.
* @retval FALSE invalid DMA priority.
* @retval TRUE correct DMA priority.
*/
#define STM32_DMA_IS_VALID_PRIORITY(prio) (((prio) >= 0) && ((prio) <= 3))
/**
* @brief Returns an unique numeric identifier for a DMA stream.
*
* @param[in] dma the DMA unit number
* @param[in] stream the stream number
* @return An unique numeric stream identifier.
*/
#define STM32_DMA_STREAM_ID(dma, stream) ((((dma) - 1) * 7) + ((stream) - 1))
/**
* @brief Returns a DMA stream identifier mask.
*
*
* @param[in] dma the DMA unit number
* @param[in] stream the stream number
* @return A DMA stream identifier mask.
*/
#define STM32_DMA_STREAM_ID_MSK(dma, stream) \
(1 << STM32_DMA_STREAM_ID(dma, stream))
/**
* @brief Checks if a DMA stream unique identifier belongs to a mask.
* @param[in] id the stream numeric identifier
* @param[in] mask the stream numeric identifiers mask
*
* @retval The check result.
* @retval FALSE id does not belong to the mask.
* @retval TRUE id belongs to the mask.
*/
#define STM32_DMA_IS_VALID_ID(id, mask) (((1 << (id)) & (mask)))
/**
* @name DMA streams identifiers
* @{
*/
/**
* @brief Returns a pointer to a stm32_dma_stream_t structure.
*
* @param[in] id the stream numeric identifier
* @return A pointer to the stm32_dma_stream_t constant structure
* associated to the DMA stream.
*/
#define STM32_DMA_STREAM(id) (&_stm32_dma_streams[id])
#define STM32_DMA1_STREAM1 STM32_DMA_STREAM(0)
#define STM32_DMA1_STREAM2 STM32_DMA_STREAM(1)
#define STM32_DMA1_STREAM3 STM32_DMA_STREAM(2)
#define STM32_DMA1_STREAM4 STM32_DMA_STREAM(3)
#define STM32_DMA1_STREAM5 STM32_DMA_STREAM(4)
#define STM32_DMA1_STREAM6 STM32_DMA_STREAM(5)
#define STM32_DMA1_STREAM7 STM32_DMA_STREAM(6)
#define STM32_DMA2_STREAM1 STM32_DMA_STREAM(7)
#define STM32_DMA2_STREAM2 STM32_DMA_STREAM(8)
#define STM32_DMA2_STREAM3 STM32_DMA_STREAM(9)
#define STM32_DMA2_STREAM4 STM32_DMA_STREAM(10)
#define STM32_DMA2_STREAM5 STM32_DMA_STREAM(11)
/** @} */
/**
* @name CR register constants common to all DMA types
* @{
*/
#define STM32_DMA_CR_EN DMA_CCR_EN
#define STM32_DMA_CR_TEIE DMA_CCR_TEIE
#define STM32_DMA_CR_HTIE DMA_CCR_HTIE
#define STM32_DMA_CR_TCIE DMA_CCR_TCIE
#define STM32_DMA_CR_DIR_MASK (DMA_CCR_DIR | DMA_CCR_MEM2MEM)
#define STM32_DMA_CR_DIR_P2M 0
#define STM32_DMA_CR_DIR_M2P DMA_CCR_DIR
#define STM32_DMA_CR_DIR_M2M DMA_CCR_MEM2MEM
#define STM32_DMA_CR_CIRC DMA_CCR_CIRC
#define STM32_DMA_CR_PINC DMA_CCR_PINC
#define STM32_DMA_CR_MINC DMA_CCR_MINC
#define STM32_DMA_CR_PSIZE_MASK DMA_CCR_PSIZE
#define STM32_DMA_CR_PSIZE_BYTE 0
#define STM32_DMA_CR_PSIZE_HWORD DMA_CCR_PSIZE_0
#define STM32_DMA_CR_PSIZE_WORD DMA_CCR_PSIZE_1
#define STM32_DMA_CR_MSIZE_MASK DMA_CCR_MSIZE
#define STM32_DMA_CR_MSIZE_BYTE 0
#define STM32_DMA_CR_MSIZE_HWORD DMA_CCR_MSIZE_0
#define STM32_DMA_CR_MSIZE_WORD DMA_CCR_MSIZE_1
#define STM32_DMA_CR_SIZE_MASK (STM32_DMA_CR_PSIZE_MASK | \
STM32_DMA_CR_MSIZE_MASK)
#define STM32_DMA_CR_PL_MASK DMA_CCR_PL
#define STM32_DMA_CR_PL(n) ((n) << 12)
/** @} */
/**
* @name CR register constants only found in enhanced DMA
* @{
*/
#define STM32_DMA_CR_DMEIE 0 /**< @brief Ignored by normal DMA. */
#define STM32_DMA_CR_CHSEL_MASK 0 /**< @brief Ignored by normal DMA. */
#define STM32_DMA_CR_CHSEL(n) 0 /**< @brief Ignored by normal DMA. */
/** @} */
/**
* @name Status flags passed to the ISR callbacks
* @{
*/
#define STM32_DMA_ISR_FEIF 0
#define STM32_DMA_ISR_DMEIF 0
#define STM32_DMA_ISR_TEIF DMA_ISR_TEIF1
#define STM32_DMA_ISR_HTIF DMA_ISR_HTIF1
#define STM32_DMA_ISR_TCIF DMA_ISR_TCIF1
/** @} */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief STM32 DMA stream descriptor structure.
*/
typedef struct {
DMA_Channel_TypeDef *channel; /**< @brief Associated DMA channel. */
volatile uint32_t *ifcr; /**< @brief Associated IFCR reg. */
uint8_t ishift; /**< @brief Bits offset in xIFCR
register. */
uint8_t selfindex; /**< @brief Index to self in array. */
uint8_t vector; /**< @brief Associated IRQ vector. */
} stm32_dma_stream_t;
/**
* @brief STM32 DMA ISR function type.
*
* @param[in] p parameter for the registered function
* @param[in] flags pre-shifted content of the ISR register, the bits
* are aligned to bit zero
*/
typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags);
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @name Macro Functions
* @{
*/
/**
* @brief Associates a peripheral data register to a DMA stream.
* @note This function can be invoked in both ISR or thread context.
* @pre The stream must have been allocated using @p dmaStreamAllocate().
* @post After use the stream can be released using @p dmaStreamRelease().
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @param[in] addr value to be written in the CPAR register
*
* @special
*/
#define dmaStreamSetPeripheral(dmastp, addr) { \
(dmastp)->channel->CPAR = (uint32_t)(addr); \
}
/**
* @brief Associates a memory destination to a DMA stream.
* @note This function can be invoked in both ISR or thread context.
* @pre The stream must have been allocated using @p dmaStreamAllocate().
* @post After use the stream can be released using @p dmaStreamRelease().
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @param[in] addr value to be written in the CMAR register
*
* @special
*/
#define dmaStreamSetMemory0(dmastp, addr) { \
(dmastp)->channel->CMAR = (uint32_t)(addr); \
}
/**
* @brief Sets the number of transfers to be performed.
* @note This function can be invoked in both ISR or thread context.
* @pre The stream must have been allocated using @p dmaStreamAllocate().
* @post After use the stream can be released using @p dmaStreamRelease().
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @param[in] size value to be written in the CNDTR register
*
* @special
*/
#define dmaStreamSetTransactionSize(dmastp, size) { \
(dmastp)->channel->CNDTR = (uint32_t)(size); \
}
/**
* @brief Returns the number of transfers to be performed.
* @note This function can be invoked in both ISR or thread context.
* @pre The stream must have been allocated using @p dmaStreamAllocate().
* @post After use the stream can be released using @p dmaStreamRelease().
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @return The number of transfers to be performed.
*
* @special
*/
#define dmaStreamGetTransactionSize(dmastp) ((size_t)((dmastp)->channel->CNDTR))
/**
* @brief Programs the stream mode settings.
* @note This function can be invoked in both ISR or thread context.
* @pre The stream must have been allocated using @p dmaStreamAllocate().
* @post After use the stream can be released using @p dmaStreamRelease().
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @param[in] mode value to be written in the CCR register
*
* @special
*/
#define dmaStreamSetMode(dmastp, mode) { \
(dmastp)->channel->CCR = (uint32_t)(mode); \
}
/**
* @brief DMA stream enable.
* @note This function can be invoked in both ISR or thread context.
* @pre The stream must have been allocated using @p dmaStreamAllocate().
* @post After use the stream can be released using @p dmaStreamRelease().
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
*
* @special
*/
#define dmaStreamEnable(dmastp) { \
(dmastp)->channel->CCR |= STM32_DMA_CR_EN; \
}
/**
* @brief DMA stream disable.
* @details The function disables the specified stream and then clears any
* pending interrupt.
* @note This function can be invoked in both ISR or thread context.
* @note Interrupts enabling flags are set to zero after this call, see
* bug 3607518.
* @pre The stream must have been allocated using @p dmaStreamAllocate().
* @post After use the stream can be released using @p dmaStreamRelease().
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
*
* @special
*/
#define dmaStreamDisable(dmastp) { \
(dmastp)->channel->CCR &= ~(STM32_DMA_CR_TCIE | STM32_DMA_CR_HTIE | \
STM32_DMA_CR_TEIE | STM32_DMA_CR_EN); \
dmaStreamClearInterrupt(dmastp); \
}
/**
* @brief DMA stream interrupt sources clear.
* @note This function can be invoked in both ISR or thread context.
* @pre The stream must have been allocated using @p dmaStreamAllocate().
* @post After use the stream can be released using @p dmaStreamRelease().
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
*
* @special
*/
#define dmaStreamClearInterrupt(dmastp) { \
*(dmastp)->ifcr = STM32_DMA_ISR_MASK << (dmastp)->ishift; \
}
/**
* @brief Starts a memory to memory operation using the specified stream.
* @note The default transfer data mode is "byte to byte" but it can be
* changed by specifying extra options in the @p mode parameter.
* @pre The stream must have been allocated using @p dmaStreamAllocate().
* @post After use the stream can be released using @p dmaStreamRelease().
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
* @param[in] mode value to be written in the CCR register, this value
* is implicitly ORed with:
* - @p STM32_DMA_CR_MINC
* - @p STM32_DMA_CR_PINC
* - @p STM32_DMA_CR_DIR_M2M
* - @p STM32_DMA_CR_EN
* .
* @param[in] src source address
* @param[in] dst destination address
* @param[in] n number of data units to copy
*/
#define dmaStartMemCopy(dmastp, mode, src, dst, n) { \
dmaStreamSetPeripheral(dmastp, src); \
dmaStreamSetMemory0(dmastp, dst); \
dmaStreamSetTransactionSize(dmastp, n); \
dmaStreamSetMode(dmastp, (mode) | \
STM32_DMA_CR_MINC | STM32_DMA_CR_PINC | \
STM32_DMA_CR_DIR_M2M | STM32_DMA_CR_EN); \
}
/**
* @brief Polled wait for DMA transfer end.
* @pre The stream must have been allocated using @p dmaStreamAllocate().
* @post After use the stream can be released using @p dmaStreamRelease().
*
* @param[in] dmastp pointer to a stm32_dma_stream_t structure
*/
#define dmaWaitCompletion(dmastp) { \
while ((dmastp)->channel->CNDTR > 0) \
; \
dmaStreamDisable(dmastp); \
}
/** @} */
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#if !defined(__DOXYGEN__)
extern const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS];
#endif
#ifdef __cplusplus
extern "C" {
#endif
void dmaInit(void);
bool_t dmaStreamAllocate(const stm32_dma_stream_t *dmastp,
uint32_t priority,
stm32_dmaisr_t func,
void *param);
void dmaStreamRelease(const stm32_dma_stream_t *dmastp);
#ifdef __cplusplus
}
#endif
#endif /* _STM32_DMA_H_ */
/** @} */

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/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file STM32F30x/stm32_isr.h
* @brief ISR remapper driver header.
*
* @addtogroup STM32F30x_ISR
* @{
*/
#ifndef _STM32_ISR_H_
#define _STM32_ISR_H_
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @name ISR names and numbers remapping
* @{
*/
/*
* CAN units.
*/
#define STM32_CAN1_TX_HANDLER Vector8C
#define STM32_CAN1_RX0_HANDLER Vector90
#define STM32_CAN1_RX1_HANDLER Vector94
#define STM32_CAN1_SCE_HANDLER Vector98
#define STM32_CAN1_TX_NUMBER 19
#define STM32_CAN1_RX0_NUMBER 20
#define STM32_CAN1_RX1_NUMBER 21
#define STM32_CAN1_SCE_NUMBER 22
/*
* I2C units.
*/
#define STM32_I2C1_EVENT_HANDLER VectorBC
#define STM32_I2C1_ERROR_HANDLER VectorC0
#define STM32_I2C1_EVENT_NUMBER 31
#define STM32_I2C1_ERROR_NUMBER 32
#define STM32_I2C2_EVENT_HANDLER VectorC4
#define STM32_I2C2_ERROR_HANDLER VectorC8
#define STM32_I2C2_EVENT_NUMBER 33
#define STM32_I2C2_ERROR_NUMBER 34
/*
* TIM units.
*/
#define STM32_TIM1_UP_HANDLER VectorA4
#define STM32_TIM1_CC_HANDLER VectorAC
#define STM32_TIM2_HANDLER VectorB0
#define STM32_TIM3_HANDLER VectorB4
#define STM32_TIM4_HANDLER VectorB8
#define STM32_TIM6_HANDLER Vector118
#define STM32_TIM7_HANDLER Vector11C
#define STM32_TIM8_UP_HANDLER VectorF0
#define STM32_TIM8_CC_HANDLER VectorF8
#define STM32_TIM1_UP_NUMBER 25
#define STM32_TIM1_CC_NUMBER 27
#define STM32_TIM2_NUMBER 28
#define STM32_TIM3_NUMBER 29
#define STM32_TIM4_NUMBER 30
#define STM32_TIM6_NUMBER 54
#define STM32_TIM7_NUMBER 55
#define STM32_TIM8_UP_NUMBER 44
#define STM32_TIM8_CC_NUMBER 46
/*
* USART units.
*/
#define STM32_USART1_HANDLER VectorD4
#define STM32_USART2_HANDLER VectorD8
#define STM32_USART3_HANDLER VectorDC
#define STM32_UART4_HANDLER Vector110
#define STM32_UART5_HANDLER Vector114
#define STM32_USART1_NUMBER 37
#define STM32_USART2_NUMBER 38
#define STM32_USART3_NUMBER 39
#define STM32_UART4_NUMBER 52
#define STM32_UART5_NUMBER 53
/*
* USB units.
*/
#define STM32_USB1_HP_HANDLER Vector168
#define STM32_USB1_LP_HANDLER Vector16C
#define STM32_USB1_HP_NUMBER 74
#define STM32_USB1_LP_NUMBER 75
/** @} */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#endif /* _STM32_ISR_H_ */
/** @} */

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/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file STM32F30x/stm32_rcc.h
* @brief RCC helper driver header.
* @note This file requires definitions from the ST header file
* @p stm32f30x.h.
*
* @addtogroup STM32F30x_RCC
* @{
*/
#ifndef _STM32_RCC_
#define _STM32_RCC_
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @name Generic RCC operations
* @{
*/
/**
* @brief Enables the clock of one or more peripheral on the APB1 bus.
*
* @param[in] mask APB1 peripherals mask
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableAPB1(mask, lp) { \
RCC->APB1ENR |= (mask); \
}
/**
* @brief Disables the clock of one or more peripheral on the APB1 bus.
*
* @param[in] mask APB1 peripherals mask
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableAPB1(mask, lp) { \
RCC->APB1ENR &= ~(mask); \
}
/**
* @brief Resets one or more peripheral on the APB1 bus.
*
* @param[in] mask APB1 peripherals mask
*
* @api
*/
#define rccResetAPB1(mask) { \
RCC->APB1RSTR |= (mask); \
RCC->APB1RSTR = 0; \
}
/**
* @brief Enables the clock of one or more peripheral on the APB2 bus.
*
* @param[in] mask APB2 peripherals mask
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableAPB2(mask, lp) { \
RCC->APB2ENR |= (mask); \
}
/**
* @brief Disables the clock of one or more peripheral on the APB2 bus.
*
* @param[in] mask APB2 peripherals mask
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableAPB2(mask, lp) { \
RCC->APB2ENR &= ~(mask); \
}
/**
* @brief Resets one or more peripheral on the APB2 bus.
*
* @param[in] mask APB2 peripherals mask
*
* @api
*/
#define rccResetAPB2(mask) { \
RCC->APB2RSTR |= (mask); \
RCC->APB2RSTR = 0; \
}
/**
* @brief Enables the clock of one or more peripheral on the AHB bus.
*
* @param[in] mask AHB peripherals mask
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableAHB(mask, lp) { \
RCC->AHBENR |= (mask); \
}
/**
* @brief Disables the clock of one or more peripheral on the AHB bus.
*
* @param[in] mask AHB peripherals mask
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableAHB(mask, lp) { \
RCC->AHBENR &= ~(mask); \
}
/**
* @brief Resets one or more peripheral on the AHB bus.
*
* @param[in] mask AHB peripherals mask
*
* @api
*/
#define rccResetAHB(mask) { \
RCC->AHBRSTR |= (mask); \
RCC->AHBRSTR = 0; \
}
/** @} */
/**
* @name ADC peripherals specific RCC operations
* @{
*/
/**
* @brief Enables the ADC1/ADC2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableADC12(lp) rccEnableAHB(RCC_AHBENR_ADC12EN, lp)
/**
* @brief Disables the ADC1/ADC2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableADC12(lp) rccDisableAHB(RCC_AHBENR_ADC12EN, lp)
/**
* @brief Resets the ADC1/ADC2 peripheral.
*
* @api
*/
#define rccResetADC12() rccResetAHB(RCC_AHBRSTR_ADC12RST)
/**
* @brief Enables the ADC3/ADC4 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableADC34(lp) rccEnableAHB(RCC_AHBENR_ADC34EN, lp)
/**
* @brief Disables the ADC3/ADC4 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableADC34(lp) rccDisableAHB(RCC_AHBENR_ADC34EN, lp)
/**
* @brief Resets the ADC3/ADC4 peripheral.
*
* @api
*/
#define rccResetADC34() rccResetAHB(RCC_AHBRSTR_ADC34RST)
/** @} */
/**
* @name CAN peripherals specific RCC operations
* @{
*/
/**
* @brief Enables the CAN1 peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableCAN1(lp) rccEnableAPB1(RCC_APB1ENR_CAN1EN, lp)
/**
* @brief Disables the CAN1 peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableCAN1(lp) rccDisableAPB1(RCC_APB1ENR_CAN1EN, lp)
/**
* @brief Resets the CAN1 peripheral.
*
* @api
*/
#define rccResetCAN1() rccResetAPB1(RCC_APB1RSTR_CAN1RST)
/** @} */
/**
* @name DMA peripheral specific RCC operations
* @{
*/
/**
* @brief Enables the DMA1 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableDMA1(lp) rccEnableAHB(RCC_AHBENR_DMA1EN, lp)
/**
* @brief Disables the DMA1 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableDMA1(lp) rccDisableAHB(RCC_AHBENR_DMA1EN, lp)
/**
* @brief Resets the DMA1 peripheral.
*
* @api
*/
#define rccResetDMA1() rccResetAHB(RCC_AHBRSTR_DMA1RST)
/**
* @brief Enables the DMA2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableDMA2(lp) rccEnableAHB(RCC_AHBENR_DMA2EN, lp)
/**
* @brief Disables the DMA2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableDMA2(lp) rccDisableAHB(RCC_AHBENR_DMA2EN, lp)
/**
* @brief Resets the DMA2 peripheral.
*
* @api
*/
#define rccResetDMA2() rccResetAHB(RCC_AHBRSTR_DMA2RST)
/** @} */
/**
* @name PWR interface specific RCC operations
* @{
*/
/**
* @brief Enables the PWR interface clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnablePWRInterface(lp) rccEnableAPB1(RCC_APB1ENR_PWREN, lp)
/**
* @brief Disables PWR interface clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisablePWRInterface(lp) rccDisableAPB1(RCC_APB1ENR_PWREN, lp)
/**
* @brief Resets the PWR interface.
*
* @api
*/
#define rccResetPWRInterface() rccResetAPB1(RCC_APB1RSTR_PWRRST)
/** @} */
/**
* @name I2C peripherals specific RCC operations
* @{
*/
/**
* @brief Enables the I2C1 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableI2C1(lp) rccEnableAPB1(RCC_APB1ENR_I2C1EN, lp)
/**
* @brief Disables the I2C1 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableI2C1(lp) rccDisableAPB1(RCC_APB1ENR_I2C1EN, lp)
/**
* @brief Resets the I2C1 peripheral.
*
* @api
*/
#define rccResetI2C1() rccResetAPB1(RCC_APB1RSTR_I2C1RST)
/**
* @brief Enables the I2C2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableI2C2(lp) rccEnableAPB1(RCC_APB1ENR_I2C2EN, lp)
/**
* @brief Disables the I2C2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableI2C2(lp) rccDisableAPB1(RCC_APB1ENR_I2C2EN, lp)
/**
* @brief Resets the I2C2 peripheral.
*
* @api
*/
#define rccResetI2C2() rccResetAPB1(RCC_APB1RSTR_I2C2RST)
/** @} */
/**
* @name SPI peripherals specific RCC operations
* @{
*/
/**
* @brief Enables the SPI1 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableSPI1(lp) rccEnableAPB2(RCC_APB2ENR_SPI1EN, lp)
/**
* @brief Disables the SPI1 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableSPI1(lp) rccDisableAPB2(RCC_APB2ENR_SPI1EN, lp)
/**
* @brief Resets the SPI1 peripheral.
*
* @api
*/
#define rccResetSPI1() rccResetAPB2(RCC_APB2RSTR_SPI1RST)
/**
* @brief Enables the SPI2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableSPI2(lp) rccEnableAPB1(RCC_APB1ENR_SPI2EN, lp)
/**
* @brief Disables the SPI2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableSPI2(lp) rccDisableAPB1(RCC_APB1ENR_SPI2EN, lp)
/**
* @brief Resets the SPI2 peripheral.
*
* @api
*/
#define rccResetSPI2() rccResetAPB1(RCC_APB1RSTR_SPI2RST)
/**
* @brief Enables the SPI3 peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableSPI3(lp) rccEnableAPB1(RCC_APB1ENR_SPI3EN, lp)
/**
* @brief Disables the SPI3 peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableSPI3(lp) rccDisableAPB1(RCC_APB1ENR_SPI3EN, lp)
/**
* @brief Resets the SPI3 peripheral.
*
* @api
*/
#define rccResetSPI3() rccResetAPB1(RCC_APB1RSTR_SPI3RST)
/** @} */
/**
* @name TIM peripherals specific RCC operations
* @{
*/
/**
* @brief Enables the TIM1 peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableTIM1(lp) rccEnableAPB2(RCC_APB2ENR_TIM1EN, lp)
/**
* @brief Disables the TIM1 peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableTIM1(lp) rccDisableAPB2(RCC_APB2ENR_TIM1EN, lp)
/**
* @brief Resets the TIM1 peripheral.
*
* @api
*/
#define rccResetTIM1() rccResetAPB2(RCC_APB2RSTR_TIM1RST)
/**
* @brief Enables the TIM2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableTIM2(lp) rccEnableAPB1(RCC_APB1ENR_TIM2EN, lp)
/**
* @brief Disables the TIM2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableTIM2(lp) rccDisableAPB1(RCC_APB1ENR_TIM2EN, lp)
/**
* @brief Resets the TIM2 peripheral.
*
* @api
*/
#define rccResetTIM2() rccResetAPB1(RCC_APB1RSTR_TIM2RST)
/**
* @brief Enables the TIM3 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableTIM3(lp) rccEnableAPB1(RCC_APB1ENR_TIM3EN, lp)
/**
* @brief Disables the TIM3 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableTIM3(lp) rccDisableAPB1(RCC_APB1ENR_TIM3EN, lp)
/**
* @brief Resets the TIM3 peripheral.
*
* @api
*/
#define rccResetTIM3() rccResetAPB1(RCC_APB1RSTR_TIM3RST)
/**
* @brief Enables the TIM4 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableTIM4(lp) rccEnableAPB1(RCC_APB1ENR_TIM4EN, lp)
/**
* @brief Disables the TIM4 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableTIM4(lp) rccDisableAPB1(RCC_APB1ENR_TIM4EN, lp)
/**
* @brief Resets the TIM4 peripheral.
*
* @api
*/
#define rccResetTIM4() rccResetAPB1(RCC_APB1RSTR_TIM4RST)
/**
* @brief Enables the TIM6 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableTIM6(lp) rccEnableAPB1(RCC_APB1ENR_TIM6EN, lp)
/**
* @brief Disables the TIM6 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableTIM6(lp) rccDisableAPB1(RCC_APB1ENR_TIM6EN, lp)
/**
* @brief Resets the TIM6 peripheral.
*
* @api
*/
#define rccResetTIM6() rccResetAPB1(RCC_APB1RSTR_TIM6RST)
/**
* @brief Enables the TIM7 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableTIM7(lp) rccEnableAPB1(RCC_APB1ENR_TIM7EN, lp)
/**
* @brief Disables the TIM7 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableTIM7(lp) rccDisableAPB1(RCC_APB1ENR_TIM7EN, lp)
/**
* @brief Resets the TIM7 peripheral.
*
* @api
*/
#define rccResetTIM7() rccResetAPB1(RCC_APB1RSTR_TIM7RST)
/**
* @brief Enables the TIM8 peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableTIM8(lp) rccEnableAPB2(RCC_APB2ENR_TIM8EN, lp)
/**
* @brief Disables the TIM8 peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableTIM8(lp) rccDisableAPB2(RCC_APB2ENR_TIM8EN, lp)
/**
* @brief Resets the TIM8 peripheral.
*
* @api
*/
#define rccResetTIM8() rccResetAPB2(RCC_APB2RSTR_TIM8RST)
/** @} */
/**
* @name USART/UART peripherals specific RCC operations
* @{
*/
/**
* @brief Enables the USART1 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableUSART1(lp) rccEnableAPB2(RCC_APB2ENR_USART1EN, lp)
/**
* @brief Disables the USART1 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableUSART1(lp) rccDisableAPB2(RCC_APB2ENR_USART1EN, lp)
/**
* @brief Resets the USART1 peripheral.
*
* @api
*/
#define rccResetUSART1() rccResetAPB2(RCC_APB2RSTR_USART1RST)
/**
* @brief Enables the USART2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableUSART2(lp) rccEnableAPB1(RCC_APB1ENR_USART2EN, lp)
/**
* @brief Disables the USART2 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableUSART2(lp) rccDisableAPB1(RCC_APB1ENR_USART2EN, lp)
/**
* @brief Resets the USART2 peripheral.
*
* @api
*/
#define rccResetUSART2() rccResetAPB1(RCC_APB1RSTR_USART2RST)
/**
* @brief Enables the USART3 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableUSART3(lp) rccEnableAPB1(RCC_APB1ENR_USART3EN, lp)
/**
* @brief Disables the USART3 peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableUSART3(lp) rccDisableAPB1(RCC_APB1ENR_USART3EN, lp)
/**
* @brief Resets the USART3 peripheral.
*
* @api
*/
#define rccResetUSART3() rccResetAPB1(RCC_APB1RSTR_USART3RST)
/**
* @brief Enables the UART4 peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableUART4(lp) rccEnableAPB1(RCC_APB1ENR_UART4EN, lp)
/**
* @brief Disables the UART4 peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableUART4(lp) rccDisableAPB1(RCC_APB1ENR_UART4EN, lp)
/**
* @brief Resets the UART4 peripheral.
*
* @api
*/
#define rccResetUART4() rccResetAPB1(RCC_APB1RSTR_UART4RST)
/**
* @brief Enables the UART5 peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableUART5(lp) rccEnableAPB1(RCC_APB1ENR_UART5EN, lp)
/**
* @brief Disables the UART5 peripheral clock.
* @note The @p lp parameter is ignored in this family.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableUART5(lp) rccDisableAPB1(RCC_APB1ENR_UART5EN, lp)
/**
* @brief Resets the UART5 peripheral.
*
* @api
*/
#define rccResetUART5() rccResetAPB1(RCC_APB1RSTR_UART5RST)
/** @} */
/**
* @name USB peripheral specific RCC operations
* @{
*/
/**
* @brief Enables the USB peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccEnableUSB(lp) rccEnableAPB1(RCC_APB1ENR_USBEN, lp)
/**
* @brief Disables the USB peripheral clock.
*
* @param[in] lp low power enable flag
*
* @api
*/
#define rccDisableUSB(lp) rccDisableAPB1(RCC_APB1ENR_USBEN, lp)
/**
* @brief Resets the USB peripheral.
*
* @api
*/
#define rccResetUSB() rccResetAPB1(RCC_APB1RSTR_USBRST)
/** @} */
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
}
#endif
#endif /* _STM32_RCC_ */
/** @} */

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@@ -0,0 +1,213 @@
/*
ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file STM32F30x/stm32_registry.h
* @brief STM32F30x capabilities registry.
*
* @addtogroup HAL
* @{
*/
#ifndef _STM32_REGISTRY_H_
#define _STM32_REGISTRY_H_
/*===========================================================================*/
/* Platform capabilities. */
/*===========================================================================*/
/**
* @name STM32F30x capabilities
* @{
*/
/* ADC attributes.*/
#define STM32_HAS_ADC1 TRUE
#define STM32_ADC1_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 1))
#define STM32_ADC1_DMA_CHN 0x00000000
#define STM32_HAS_ADC2 TRUE
#define STM32_ADC2_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 1) | \
STM32_DMA_STREAM_ID_MSK(2, 3))
#define STM32_ADC2_DMA_CHN 0x00000000
#define STM32_HAS_ADC3 TRUE
#define STM32_ADC3_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 5))
#define STM32_ADC3_DMA_CHN 0x00000000
#define STM32_HAS_ADC4 TRUE
#define STM32_ADC4_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 2) | \
STM32_DMA_STREAM_ID_MSK(2, 4))
#define STM32_ADC4_DMA_CHN 0x00000000
#define STM32_HAS_SDADC1 FALSE
#define STM32_SDADC1_DMA_MSK 0
#define STM32_SDADC1_DMA_CHN 0x00000000
#define STM32_HAS_SDADC2 FALSE
#define STM32_SDADC2_DMA_MSK 0
#define STM32_SDADC2_DMA_CHN 0x00000000
#define STM32_HAS_SDADC3 FALSE
#define STM32_SDADC3_DMA_MSK 0
#define STM32_SDADC3_DMA_CHN 0x00000000
/* CAN attributes.*/
#define STM32_HAS_CAN1 TRUE
#define STM32_HAS_CAN2 FALSE
#define STM32_CAN_MAX_FILTERS 14
/* DAC attributes.*/
#define STM32_HAS_DAC TRUE
/* DMA attributes.*/
#define STM32_ADVANCED_DMA FALSE
#define STM32_HAS_DMA1 TRUE
#define STM32_HAS_DMA2 TRUE
/* ETH attributes.*/
#define STM32_HAS_ETH FALSE
/* EXTI attributes.*/
#define STM32_EXTI_NUM_CHANNELS 34
/* GPIO attributes.*/
#define STM32_HAS_GPIOA TRUE
#define STM32_HAS_GPIOB TRUE
#define STM32_HAS_GPIOC TRUE
#define STM32_HAS_GPIOD TRUE
#define STM32_HAS_GPIOE TRUE
#define STM32_HAS_GPIOF TRUE
#define STM32_HAS_GPIOG FALSE
#define STM32_HAS_GPIOH FALSE
#define STM32_HAS_GPIOI FALSE
/* I2C attributes.*/
#define STM32_HAS_I2C1 TRUE
#define STM32_I2C1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 7))
#define STM32_I2C1_RX_DMA_CHN 0x00000000
#define STM32_I2C1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 6))
#define STM32_I2C1_TX_DMA_CHN 0x00000000
#define STM32_HAS_I2C2 TRUE
#define STM32_I2C2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 5))
#define STM32_I2C2_RX_DMA_CHN 0x00000000
#define STM32_I2C2_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 4))
#define STM32_I2C2_TX_DMA_CHN 0x00000000
#define STM32_HAS_I2C3 FALSE
#define STM32_I2C3_RX_DMA_MSK 0
#define STM32_I2C3_RX_DMA_CHN 0x00000000
#define STM32_I2C3_TX_DMA_MSK 0
#define STM32_I2C3_TX_DMA_CHN 0x00000000
/* RTC attributes.*/
#define STM32_HAS_RTC TRUE
#define STM32_RTC_HAS_SUBSECONDS TRUE
#define STM32_RTC_IS_CALENDAR TRUE
/* SDIO attributes.*/
#define STM32_HAS_SDIO FALSE
/* SPI attributes.*/
#define STM32_HAS_SPI1 TRUE
#define STM32_SPI1_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 2)
#define STM32_SPI1_RX_DMA_CHN 0x00000000
#define STM32_SPI1_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 3)
#define STM32_SPI1_TX_DMA_CHN 0x00000000
#define STM32_HAS_SPI2 TRUE
#define STM32_SPI2_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 4)
#define STM32_SPI2_RX_DMA_CHN 0x00000000
#define STM32_SPI2_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 5)
#define STM32_SPI2_TX_DMA_CHN 0x00000000
#define STM32_HAS_SPI3 TRUE
#define STM32_SPI3_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(2, 1)
#define STM32_SPI3_RX_DMA_CHN 0x00000000
#define STM32_SPI3_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(2, 2)
#define STM32_SPI3_TX_DMA_CHN 0x00000000
#define STM32_HAS_SPI4 FALSE
#define STM32_HAS_SPI5 FALSE
#define STM32_HAS_SPI6 FALSE
/* TIM attributes.*/
#define STM32_HAS_TIM1 TRUE
#define STM32_HAS_TIM2 TRUE
#define STM32_HAS_TIM3 TRUE
#define STM32_HAS_TIM4 TRUE
#define STM32_HAS_TIM5 FALSE
#define STM32_HAS_TIM6 TRUE
#define STM32_HAS_TIM7 TRUE
#define STM32_HAS_TIM8 TRUE
#define STM32_HAS_TIM9 FALSE
#define STM32_HAS_TIM10 FALSE
#define STM32_HAS_TIM11 FALSE
#define STM32_HAS_TIM12 FALSE
#define STM32_HAS_TIM13 FALSE
#define STM32_HAS_TIM14 FALSE
#define STM32_HAS_TIM15 TRUE
#define STM32_HAS_TIM16 TRUE
#define STM32_HAS_TIM17 TRUE
#define STM32_HAS_TIM18 FALSE
#define STM32_HAS_TIM19 FALSE
/* USART attributes.*/
#define STM32_HAS_USART1 TRUE
#define STM32_USART1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 5))
#define STM32_USART1_RX_DMA_CHN 0x00000000
#define STM32_USART1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 4))
#define STM32_USART1_TX_DMA_CHN 0x00000000
#define STM32_HAS_USART2 TRUE
#define STM32_USART2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 6))
#define STM32_USART2_RX_DMA_CHN 0x00000000
#define STM32_USART2_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 7))
#define STM32_USART2_TX_DMA_CHN 0x00000000
#define STM32_HAS_USART3 TRUE
#define STM32_USART3_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 3))
#define STM32_USART3_RX_DMA_CHN 0x00000000
#define STM32_USART3_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 2))
#define STM32_USART3_TX_DMA_CHN 0x00000000
#define STM32_HAS_UART4 TRUE
#define STM32_UART4_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 3))
#define STM32_UART4_RX_DMA_CHN 0x00000000
#define STM32_UART4_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 5))
#define STM32_UART4_TX_DMA_CHN 0x00000000
#define STM32_HAS_UART5 TRUE
#define STM32_UART5_RX_DMA_MSK 0
#define STM32_UART5_RX_DMA_CHN 0x00000000
#define STM32_UART5_TX_DMA_MSK 0
#define STM32_UART5_TX_DMA_CHN 0x00000000
#define STM32_HAS_USART6 FALSE
#define STM32_USART6_RX_DMA_MSK 0
#define STM32_USART6_RX_DMA_CHN 0x00000000
#define STM32_USART6_TX_DMA_MSK 0
#define STM32_USART6_TX_DMA_CHN 0x00000000
/* USB attributes.*/
#define STM32_HAS_USB TRUE
#define STM32_HAS_OTG1 FALSE
#define STM32_HAS_OTG2 FALSE
/** @} */
#endif /* _STM32_REGISTRY_H_ */
/** @} */

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