From def672968041a5cb5642425072225e0ed430cfe4 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Wed, 21 Aug 2013 14:54:22 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6197 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/platforms/STM32F4xx/adc_lld.c | 418 ++++++ os/hal/platforms/STM32F4xx/adc_lld.h | 567 +++++++ os/hal/platforms/STM32F4xx/ext_lld_isr.c | 352 +++++ os/hal/platforms/STM32F4xx/ext_lld_isr.h | 170 +++ os/hal/platforms/STM32F4xx/hal_lld.c | 236 +++ os/hal/platforms/STM32F4xx/hal_lld.h | 1549 ++++++++++++++++++++ os/hal/platforms/STM32F4xx/platform.mk | 30 + os/hal/platforms/STM32F4xx/stm32_dma.c | 527 +++++++ os/hal/platforms/STM32F4xx/stm32_dma.h | 461 ++++++ os/hal/platforms/STM32F4xx/stm32_isr.h | 150 ++ os/hal/platforms/STM32F4xx/stm32_rcc.h | 1254 ++++++++++++++++ os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F405xG.ld | 161 ++ os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F407xG.ld | 161 ++ .../ARMCMx/compilers/GCC/ld/STM32F407xG_CCM.ld | 182 +++ os/rt/ports/ARMCMx/devices/STM32F4xx/stm32f4xx.h | 4 +- 15 files changed, 6221 insertions(+), 1 deletion(-) create mode 100644 os/hal/platforms/STM32F4xx/adc_lld.c create mode 100644 os/hal/platforms/STM32F4xx/adc_lld.h create mode 100644 os/hal/platforms/STM32F4xx/ext_lld_isr.c create mode 100644 os/hal/platforms/STM32F4xx/ext_lld_isr.h create mode 100644 os/hal/platforms/STM32F4xx/hal_lld.c create mode 100644 os/hal/platforms/STM32F4xx/hal_lld.h create mode 100644 os/hal/platforms/STM32F4xx/platform.mk create mode 100644 os/hal/platforms/STM32F4xx/stm32_dma.c create mode 100644 os/hal/platforms/STM32F4xx/stm32_dma.h create mode 100644 os/hal/platforms/STM32F4xx/stm32_isr.h create mode 100644 os/hal/platforms/STM32F4xx/stm32_rcc.h create mode 100644 os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F405xG.ld create mode 100644 os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F407xG.ld create mode 100644 os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F407xG_CCM.ld (limited to 'os') diff --git a/os/hal/platforms/STM32F4xx/adc_lld.c b/os/hal/platforms/STM32F4xx/adc_lld.c new file mode 100644 index 000000000..52f326648 --- /dev/null +++ b/os/hal/platforms/STM32F4xx/adc_lld.c @@ -0,0 +1,418 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F4xx/adc_lld.c + * @brief STM32F4xx/STM32F2xx ADC subsystem low level driver source. + * + * @addtogroup ADC + * @{ + */ + +#include "hal.h" + +#if HAL_USE_ADC || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +#define ADC1_DMA_CHANNEL \ + STM32_DMA_GETCHANNEL(STM32_ADC_ADC1_DMA_STREAM, STM32_ADC1_DMA_CHN) + +#define ADC2_DMA_CHANNEL \ + STM32_DMA_GETCHANNEL(STM32_ADC_ADC2_DMA_STREAM, STM32_ADC2_DMA_CHN) + +#define ADC3_DMA_CHANNEL \ + STM32_DMA_GETCHANNEL(STM32_ADC_ADC3_DMA_STREAM, STM32_ADC3_DMA_CHN) + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/** @brief ADC1 driver identifier.*/ +#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__) +ADCDriver ADCD1; +#endif + +/** @brief ADC2 driver identifier.*/ +#if STM32_ADC_USE_ADC2 || defined(__DOXYGEN__) +ADCDriver ADCD2; +#endif + +/** @brief ADC3 driver identifier.*/ +#if STM32_ADC_USE_ADC3 || defined(__DOXYGEN__) +ADCDriver ADCD3; +#endif + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/** + * @brief ADC DMA ISR service routine. + * + * @param[in] adcp pointer to the @p ADCDriver object + * @param[in] flags pre-shifted content of the ISR register + */ +static void adc_lld_serve_rx_interrupt(ADCDriver *adcp, uint32_t flags) { + + /* DMA errors handling.*/ + if ((flags & (STM32_DMA_ISR_TEIF | STM32_DMA_ISR_DMEIF)) != 0) { + /* DMA, this could help only if the DMA tries to access an unmapped + address space or violates alignment rules.*/ + _adc_isr_error_code(adcp, ADC_ERR_DMAFAILURE); + } + else { + /* It is possible that the conversion group has already be reset by the + ADC error handler, in this case this interrupt is spurious.*/ + if (adcp->grpp != NULL) { + if ((flags & STM32_DMA_ISR_HTIF) != 0) { + /* Half transfer processing.*/ + _adc_isr_half_code(adcp); + } + if ((flags & STM32_DMA_ISR_TCIF) != 0) { + /* Transfer complete processing.*/ + _adc_isr_full_code(adcp); + } + } + } +} + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +#if STM32_ADC_USE_ADC1 || STM32_ADC_USE_ADC2 || STM32_ADC_USE_ADC3 || \ + defined(__DOXYGEN__) +/** + * @brief ADC interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(ADC1_2_3_IRQHandler) { + uint32_t sr; + + CH_IRQ_PROLOGUE(); + +#if STM32_ADC_USE_ADC1 + sr = ADC1->SR; + ADC1->SR = 0; + /* Note, an overflow may occur after the conversion ended before the driver + is able to stop the ADC, this is why the DMA channel is checked too.*/ + if ((sr & ADC_SR_OVR) && (dmaStreamGetTransactionSize(ADCD1.dmastp) > 0)) { + /* ADC overflow condition, this could happen only if the DMA is unable + to read data fast enough.*/ + if (ADCD1.grpp != NULL) + _adc_isr_error_code(&ADCD1, ADC_ERR_OVERFLOW); + } + /* TODO: Add here analog watchdog handling.*/ +#endif /* STM32_ADC_USE_ADC1 */ + +#if STM32_ADC_USE_ADC2 + sr = ADC2->SR; + ADC2->SR = 0; + /* Note, an overflow may occur after the conversion ended before the driver + is able to stop the ADC, this is why the DMA channel is checked too.*/ + if ((sr & ADC_SR_OVR) && (dmaStreamGetTransactionSize(ADCD2.dmastp) > 0)) { + /* ADC overflow condition, this could happen only if the DMA is unable + to read data fast enough.*/ + if (ADCD2.grpp != NULL) + _adc_isr_error_code(&ADCD2, ADC_ERR_OVERFLOW); + } + /* TODO: Add here analog watchdog handling.*/ +#endif /* STM32_ADC_USE_ADC2 */ + +#if STM32_ADC_USE_ADC3 + sr = ADC3->SR; + ADC3->SR = 0; + /* Note, an overflow may occur after the conversion ended before the driver + is able to stop the ADC, this is why the DMA channel is checked too.*/ + if ((sr & ADC_SR_OVR) && (dmaStreamGetTransactionSize(ADCD3.dmastp) > 0)) { + /* ADC overflow condition, this could happen only if the DMA is unable + to read data fast enough.*/ + if (ADCD3.grpp != NULL) + _adc_isr_error_code(&ADCD3, ADC_ERR_OVERFLOW); + } + /* TODO: Add here analog watchdog handling.*/ +#endif /* STM32_ADC_USE_ADC3 */ + + CH_IRQ_EPILOGUE(); +} +#endif + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Low level ADC driver initialization. + * + * @notapi + */ +void adc_lld_init(void) { + +#if STM32_ADC_USE_ADC1 + /* Driver initialization.*/ + adcObjectInit(&ADCD1); + ADCD1.adc = ADC1; + ADCD1.dmastp = STM32_DMA_STREAM(STM32_ADC_ADC1_DMA_STREAM); + ADCD1.dmamode = STM32_DMA_CR_CHSEL(ADC1_DMA_CHANNEL) | + STM32_DMA_CR_PL(STM32_ADC_ADC1_DMA_PRIORITY) | + STM32_DMA_CR_DIR_P2M | + STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD | + STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE | + STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE; +#endif + +#if STM32_ADC_USE_ADC2 + /* Driver initialization.*/ + adcObjectInit(&ADCD2); + ADCD2.adc = ADC2; + ADCD2.dmastp = STM32_DMA_STREAM(STM32_ADC_ADC2_DMA_STREAM); + ADCD2.dmamode = STM32_DMA_CR_CHSEL(ADC2_DMA_CHANNEL) | + STM32_DMA_CR_PL(STM32_ADC_ADC2_DMA_PRIORITY) | + STM32_DMA_CR_DIR_P2M | + STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD | + STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE | + STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE; +#endif + +#if STM32_ADC_USE_ADC3 + /* Driver initialization.*/ + adcObjectInit(&ADCD3); + ADCD3.adc = ADC3; + ADCD3.dmastp = STM32_DMA_STREAM(STM32_ADC_ADC3_DMA_STREAM); + ADCD3.dmamode = STM32_DMA_CR_CHSEL(ADC3_DMA_CHANNEL) | + STM32_DMA_CR_PL(STM32_ADC_ADC3_DMA_PRIORITY) | + STM32_DMA_CR_DIR_P2M | + STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD | + STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE | + STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE; +#endif + + /* The shared vector is initialized on driver initialization and never + disabled.*/ + nvicEnableVector(ADC_IRQn, CORTEX_PRIORITY_MASK(STM32_ADC_IRQ_PRIORITY)); +} + +/** + * @brief Configures and activates the ADC peripheral. + * + * @param[in] adcp pointer to the @p ADCDriver object + * + * @notapi + */ +void adc_lld_start(ADCDriver *adcp) { + + /* If in stopped state then enables the ADC and DMA clocks.*/ + if (adcp->state == ADC_STOP) { +#if STM32_ADC_USE_ADC1 + if (&ADCD1 == adcp) { + bool_t b; + b = dmaStreamAllocate(adcp->dmastp, + STM32_ADC_ADC1_DMA_IRQ_PRIORITY, + (stm32_dmaisr_t)adc_lld_serve_rx_interrupt, + (void *)adcp); + chDbgAssert(!b, "adc_lld_start(), #1", "stream already allocated"); + dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR); + rccEnableADC1(FALSE); + } +#endif /* STM32_ADC_USE_ADC1 */ + +#if STM32_ADC_USE_ADC2 + if (&ADCD2 == adcp) { + bool_t b; + b = dmaStreamAllocate(adcp->dmastp, + STM32_ADC_ADC2_DMA_IRQ_PRIORITY, + (stm32_dmaisr_t)adc_lld_serve_rx_interrupt, + (void *)adcp); + chDbgAssert(!b, "adc_lld_start(), #2", "stream already allocated"); + dmaStreamSetPeripheral(adcp->dmastp, &ADC2->DR); + rccEnableADC2(FALSE); + } +#endif /* STM32_ADC_USE_ADC2 */ + +#if STM32_ADC_USE_ADC3 + if (&ADCD3 == adcp) { + bool_t b; + b = dmaStreamAllocate(adcp->dmastp, + STM32_ADC_ADC3_DMA_IRQ_PRIORITY, + (stm32_dmaisr_t)adc_lld_serve_rx_interrupt, + (void *)adcp); + chDbgAssert(!b, "adc_lld_start(), #3", "stream already allocated"); + dmaStreamSetPeripheral(adcp->dmastp, &ADC3->DR); + rccEnableADC3(FALSE); + } +#endif /* STM32_ADC_USE_ADC3 */ + + /* This is a common register but apparently it requires that at least one + of the ADCs is clocked in order to allow writing, see bug 3575297.*/ + ADC->CCR = (ADC->CCR & (ADC_CCR_TSVREFE | ADC_CCR_VBATE)) | + (STM32_ADC_ADCPRE << 16); + + /* ADC initial setup, starting the analog part here in order to reduce + the latency when starting a conversion.*/ + adcp->adc->CR1 = 0; + adcp->adc->CR2 = 0; + adcp->adc->CR2 = ADC_CR2_ADON; + } +} + +/** + * @brief Deactivates the ADC peripheral. + * + * @param[in] adcp pointer to the @p ADCDriver object + * + * @notapi + */ +void adc_lld_stop(ADCDriver *adcp) { + + /* If in ready state then disables the ADC clock.*/ + if (adcp->state == ADC_READY) { + dmaStreamRelease(adcp->dmastp); + adcp->adc->CR1 = 0; + adcp->adc->CR2 = 0; + +#if STM32_ADC_USE_ADC1 + if (&ADCD1 == adcp) + rccDisableADC1(FALSE); +#endif + +#if STM32_ADC_USE_ADC2 + if (&ADCD2 == adcp) + rccDisableADC2(FALSE); +#endif + +#if STM32_ADC_USE_ADC3 + if (&ADCD3 == adcp) + rccDisableADC3(FALSE); +#endif + } +} + +/** + * @brief Starts an ADC conversion. + * + * @param[in] adcp pointer to the @p ADCDriver object + * + * @notapi + */ +void adc_lld_start_conversion(ADCDriver *adcp) { + uint32_t mode; + const ADCConversionGroup *grpp = adcp->grpp; + + /* DMA setup.*/ + mode = adcp->dmamode; + if (grpp->circular) { + mode |= STM32_DMA_CR_CIRC; + } + if (adcp->depth > 1) { + /* If the buffer depth is greater than one then the half transfer interrupt + interrupt is enabled in order to allows streaming processing.*/ + mode |= STM32_DMA_CR_HTIE; + } + dmaStreamSetMemory0(adcp->dmastp, adcp->samples); + dmaStreamSetTransactionSize(adcp->dmastp, (uint32_t)grpp->num_channels * + (uint32_t)adcp->depth); + dmaStreamSetMode(adcp->dmastp, mode); + dmaStreamEnable(adcp->dmastp); + + /* ADC setup.*/ + adcp->adc->SR = 0; + adcp->adc->SMPR1 = grpp->smpr1; + adcp->adc->SMPR2 = grpp->smpr2; + adcp->adc->SQR1 = grpp->sqr1; + adcp->adc->SQR2 = grpp->sqr2; + adcp->adc->SQR3 = grpp->sqr3; + + /* ADC configuration and start, the start is performed using the method + specified in the CR2 configuration, usually ADC_CR2_SWSTART.*/ + adcp->adc->CR1 = grpp->cr1 | ADC_CR1_OVRIE | ADC_CR1_SCAN; + if ((grpp->cr2 & ADC_CR2_SWSTART) != 0) + adcp->adc->CR2 = grpp->cr2 | ADC_CR2_CONT | ADC_CR2_DMA | + ADC_CR2_DDS | ADC_CR2_ADON; + else + adcp->adc->CR2 = grpp->cr2 | ADC_CR2_DMA | + ADC_CR2_DDS | ADC_CR2_ADON; +} + +/** + * @brief Stops an ongoing conversion. + * + * @param[in] adcp pointer to the @p ADCDriver object + * + * @notapi + */ +void adc_lld_stop_conversion(ADCDriver *adcp) { + + dmaStreamDisable(adcp->dmastp); + adcp->adc->CR1 = 0; + adcp->adc->CR2 = 0; + adcp->adc->CR2 = ADC_CR2_ADON; +} + +/** + * @brief Enables the TSVREFE bit. + * @details The TSVREFE bit is required in order to sample the internal + * temperature sensor and internal reference voltage. + * @note This is an STM32-only functionality. + */ +void adcSTM32EnableTSVREFE(void) { + + ADC->CCR |= ADC_CCR_TSVREFE; +} + +/** + * @brief Disables the TSVREFE bit. + * @details The TSVREFE bit is required in order to sample the internal + * temperature sensor and internal reference voltage. + * @note This is an STM32-only functionality. + */ +void adcSTM32DisableTSVREFE(void) { + + ADC->CCR &= ~ADC_CCR_TSVREFE; +} + +/** + * @brief Enables the VBATE bit. + * @details The VBATE bit is required in order to sample the VBAT channel. + * @note This is an STM32-only functionality. + * @note This function is meant to be called after @p adcStart(). + */ +void adcSTM32EnableVBATE(void) { + + ADC->CCR |= ADC_CCR_VBATE; +} + +/** + * @brief Disables the VBATE bit. + * @details The VBATE bit is required in order to sample the VBAT channel. + * @note This is an STM32-only functionality. + * @note This function is meant to be called after @p adcStart(). + */ +void adcSTM32DisableVBATE(void) { + + ADC->CCR &= ~ADC_CCR_VBATE; +} + +#endif /* HAL_USE_ADC */ + +/** @} */ diff --git a/os/hal/platforms/STM32F4xx/adc_lld.h b/os/hal/platforms/STM32F4xx/adc_lld.h new file mode 100644 index 000000000..7cda791ac --- /dev/null +++ b/os/hal/platforms/STM32F4xx/adc_lld.h @@ -0,0 +1,567 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F4xx/adc_lld.h + * @brief STM32F4xx/STM32F2xx ADC subsystem low level driver header. + * + * @addtogroup ADC + * @{ + */ + +#ifndef _ADC_LLD_H_ +#define _ADC_LLD_H_ + +#if HAL_USE_ADC || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @name Absolute Maximum Ratings + * @{ + */ +/** + * @brief Minimum ADC clock frequency. + */ +#define STM32_ADCCLK_MIN 600000 + +/** + * @brief Maximum ADC clock frequency. + */ +#if defined(STM32F4XX) || defined(__DOXYGEN__) +#define STM32_ADCCLK_MAX 36000000 +#else +#define STM32_ADCCLK_MAX 30000000 +#endif +/** @} */ + +/** + * @name Triggers selection + * @{ + */ +#define ADC_CR2_EXTSEL_SRC(n) ((n) << 24) /**< @brief Trigger source. */ +/** @} */ + +/** + * @name ADC clock divider settings + * @{ + */ +#define ADC_CCR_ADCPRE_DIV2 0 +#define ADC_CCR_ADCPRE_DIV4 1 +#define ADC_CCR_ADCPRE_DIV6 2 +#define ADC_CCR_ADCPRE_DIV8 3 +/** @} */ + +/** + * @name Available analog channels + * @{ + */ +#define ADC_CHANNEL_IN0 0 /**< @brief External analog input 0. */ +#define ADC_CHANNEL_IN1 1 /**< @brief External analog input 1. */ +#define ADC_CHANNEL_IN2 2 /**< @brief External analog input 2. */ +#define ADC_CHANNEL_IN3 3 /**< @brief External analog input 3. */ +#define ADC_CHANNEL_IN4 4 /**< @brief External analog input 4. */ +#define ADC_CHANNEL_IN5 5 /**< @brief External analog input 5. */ +#define ADC_CHANNEL_IN6 6 /**< @brief External analog input 6. */ +#define ADC_CHANNEL_IN7 7 /**< @brief External analog input 7. */ +#define ADC_CHANNEL_IN8 8 /**< @brief External analog input 8. */ +#define ADC_CHANNEL_IN9 9 /**< @brief External analog input 9. */ +#define ADC_CHANNEL_IN10 10 /**< @brief External analog input 10. */ +#define ADC_CHANNEL_IN11 11 /**< @brief External analog input 11. */ +#define ADC_CHANNEL_IN12 12 /**< @brief External analog input 12. */ +#define ADC_CHANNEL_IN13 13 /**< @brief External analog input 13. */ +#define ADC_CHANNEL_IN14 14 /**< @brief External analog input 14. */ +#define ADC_CHANNEL_IN15 15 /**< @brief External analog input 15. */ +#define ADC_CHANNEL_SENSOR 16 /**< @brief Internal temperature sensor. + @note Available onADC1 only. */ +#define ADC_CHANNEL_VREFINT 17 /**< @brief Internal reference. + @note Available onADC1 only. */ +#define ADC_CHANNEL_VBAT 18 /**< @brief VBAT. + @note Available onADC1 only. */ +/** @} */ + +/** + * @name Sampling rates + * @{ + */ +#define ADC_SAMPLE_3 0 /**< @brief 3 cycles sampling time. */ +#define ADC_SAMPLE_15 1 /**< @brief 15 cycles sampling time. */ +#define ADC_SAMPLE_28 2 /**< @brief 28 cycles sampling time. */ +#define ADC_SAMPLE_56 3 /**< @brief 56 cycles sampling time. */ +#define ADC_SAMPLE_84 4 /**< @brief 84 cycles sampling time. */ +#define ADC_SAMPLE_112 5 /**< @brief 112 cycles sampling time. */ +#define ADC_SAMPLE_144 6 /**< @brief 144 cycles sampling time. */ +#define ADC_SAMPLE_480 7 /**< @brief 480 cycles sampling time. */ +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief ADC common clock divider. + * @note This setting is influenced by the VDDA voltage and other + * external conditions, please refer to the datasheet for more + * info.
+ * See section 5.3.20 "12-bit ADC characteristics". + */ +#if !defined(STM32_ADC_ADCPRE) || defined(__DOXYGEN__) +#define STM32_ADC_ADCPRE ADC_CCR_ADCPRE_DIV2 +#endif + +/** + * @brief ADC1 driver enable switch. + * @details If set to @p TRUE the support for ADC1 is included. + * @note The default is @p TRUE. + */ +#if !defined(STM32_ADC_USE_ADC1) || defined(__DOXYGEN__) +#define STM32_ADC_USE_ADC1 FALSE +#endif + +/** + * @brief ADC2 driver enable switch. + * @details If set to @p TRUE the support for ADC2 is included. + * @note The default is @p TRUE. + */ +#if !defined(STM32_ADC_USE_ADC2) || defined(__DOXYGEN__) +#define STM32_ADC_USE_ADC2 FALSE +#endif + +/** + * @brief ADC3 driver enable switch. + * @details If set to @p TRUE the support for ADC3 is included. + * @note The default is @p TRUE. + */ +#if !defined(STM32_ADC_USE_ADC3) || defined(__DOXYGEN__) +#define STM32_ADC_USE_ADC3 FALSE +#endif + +/** + * @brief DMA stream used for ADC1 operations. + */ +#if !defined(STM32_ADC_ADC1_DMA_STREAM) || defined(__DOXYGEN__) +#define STM32_ADC_ADC1_DMA_STREAM STM32_DMA_STREAM_ID(2, 4) +#endif + +/** + * @brief DMA stream used for ADC2 operations. + */ +#if !defined(STM32_ADC_ADC2_DMA_STREAM) || defined(__DOXYGEN__) +#define STM32_ADC_ADC2_DMA_STREAM STM32_DMA_STREAM_ID(2, 2) +#endif + +/** + * @brief DMA stream used for ADC3 operations. + */ +#if !defined(STM32_ADC_ADC3_DMA_STREAM) || defined(__DOXYGEN__) +#define STM32_ADC_ADC3_DMA_STREAM STM32_DMA_STREAM_ID(2, 1) +#endif + +/** + * @brief ADC1 DMA priority (0..3|lowest..highest). + */ +#if !defined(STM32_ADC_ADC1_DMA_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_ADC1_DMA_PRIORITY 2 +#endif + +/** + * @brief ADC2 DMA priority (0..3|lowest..highest). + */ +#if !defined(STM32_ADC_ADC2_DMA_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_ADC2_DMA_PRIORITY 2 +#endif + +/** + * @brief ADC3 DMA priority (0..3|lowest..highest). + */ +#if !defined(STM32_ADC_ADC3_DMA_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_ADC3_DMA_PRIORITY 2 +#endif + +/** + * @brief ADC interrupt priority level setting. + * @note This setting is shared among ADC1, ADC2 and ADC3 because + * all ADCs share the same vector. + */ +#if !defined(STM32_ADC_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_IRQ_PRIORITY 5 +#endif + +/** + * @brief ADC1 DMA interrupt priority level setting. + */ +#if !defined(STM32_ADC_ADC1_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 5 +#endif + +/** + * @brief ADC2 DMA interrupt priority level setting. + */ +#if !defined(STM32_ADC_ADC2_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_ADC2_DMA_IRQ_PRIORITY 5 +#endif + +/** + * @brief ADC3 DMA interrupt priority level setting. + */ +#if !defined(STM32_ADC_ADC3_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_ADC3_DMA_IRQ_PRIORITY 5 +#endif + +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +#if STM32_ADC_USE_ADC1 && !STM32_HAS_ADC1 +#error "ADC1 not present in the selected device" +#endif + +#if STM32_ADC_USE_ADC2 && !STM32_HAS_ADC2 +#error "ADC2 not present in the selected device" +#endif + +#if STM32_ADC_USE_ADC3 && !STM32_HAS_ADC3 +#error "ADC3 not present in the selected device" +#endif + +#if !STM32_ADC_USE_ADC1 && !STM32_ADC_USE_ADC2 && !STM32_ADC_USE_ADC3 +#error "ADC driver activated but no ADC peripheral assigned" +#endif + +#if STM32_ADC_USE_ADC1 && \ + !STM32_DMA_IS_VALID_ID(STM32_ADC_ADC1_DMA_STREAM, STM32_ADC1_DMA_MSK) +#error "invalid DMA stream associated to ADC1" +#endif + +#if STM32_ADC_USE_ADC2 && \ + !STM32_DMA_IS_VALID_ID(STM32_ADC_ADC2_DMA_STREAM, STM32_ADC2_DMA_MSK) +#error "invalid DMA stream associated to ADC2" +#endif + +#if STM32_ADC_USE_ADC3 && \ + !STM32_DMA_IS_VALID_ID(STM32_ADC_ADC3_DMA_STREAM, STM32_ADC3_DMA_MSK) +#error "invalid DMA stream associated to ADC3" +#endif + +/* ADC clock related settings and checks.*/ +#if STM32_ADC_ADCPRE == ADC_CCR_ADCPRE_DIV2 +#define STM32_ADCCLK (STM32_PCLK2 / 2) +#elif STM32_ADC_ADCPRE == ADC_CCR_ADCPRE_DIV4 +#define STM32_ADCCLK (STM32_PCLK2 / 4) +#elif STM32_ADC_ADCPRE == ADC_CCR_ADCPRE_DIV6 +#define STM32_ADCCLK (STM32_PCLK2 / 6) +#elif STM32_ADC_ADCPRE == ADC_CCR_ADCPRE_DIV8 +#define STM32_ADCCLK (STM32_PCLK2 / 8) +#else +#error "invalid STM32_ADC_ADCPRE value specified" +#endif + +#if (STM32_ADCCLK < STM32_ADCCLK_MIN) || (STM32_ADCCLK > STM32_ADCCLK_MAX) +#error "STM32_ADCCLK outside acceptable range (STM32_ADCCLK_MIN...STM32_ADCCLK_MAX)" +#endif + +#if !defined(STM32_DMA_REQUIRED) +#define STM32_DMA_REQUIRED +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief ADC sample data type. + */ +typedef uint16_t adcsample_t; + +/** + * @brief Channels number in a conversion group. + */ +typedef uint16_t adc_channels_num_t; + +/** + * @brief Possible ADC failure causes. + * @note Error codes are architecture dependent and should not relied + * upon. + */ +typedef enum { + ADC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */ + ADC_ERR_OVERFLOW = 1 /**< ADC overflow condition. */ +} adcerror_t; + +/** + * @brief Type of a structure representing an ADC driver. + */ +typedef struct ADCDriver ADCDriver; + +/** + * @brief ADC notification callback type. + * + * @param[in] adcp pointer to the @p ADCDriver object triggering the + * callback + * @param[in] buffer pointer to the most recent samples data + * @param[in] n number of buffer rows available starting from @p buffer + */ +typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n); + +/** + * @brief ADC error callback type. + * + * @param[in] adcp pointer to the @p ADCDriver object triggering the + * callback + * @param[in] err ADC error code + */ +typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err); + +/** + * @brief Conversion group configuration structure. + * @details This implementation-dependent structure describes a conversion + * operation. + * @note The use of this configuration structure requires knowledge of + * STM32 ADC cell registers interface, please refer to the STM32 + * reference manual for details. + */ +typedef struct { + /** + * @brief Enables the circular buffer mode for the group. + */ + bool_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 CR1 register initialization data. + * @note All the required bits must be defined into this field except + * @p ADC_CR1_SCAN that is enforced inside the driver. + */ + uint32_t cr1; + /** + * @brief ADC CR2 register initialization data. + * @note All the required bits must be defined into this field except + * @p ADC_CR2_DMA, @p ADC_CR2_CONT and @p ADC_CR2_ADON that are + * enforced inside the driver. + */ + uint32_t cr2; + /** + * @brief ADC SMPR1 register initialization data. + * @details In this field must be specified the sample times for channels + * 10...18. + */ + uint32_t smpr1; + /** + * @brief ADC SMPR2 register initialization data. + * @details In this field must be specified the sample times for channels + * 0...9. + */ + uint32_t smpr2; + /** + * @brief ADC SQR1 register initialization data. + * @details Conversion group sequence 13...16 + sequence length. + */ + uint32_t sqr1; + /** + * @brief ADC SQR2 register initialization data. + * @details Conversion group sequence 7...12. + */ + uint32_t sqr2; + /** + * @brief ADC SQR3 register initialization data. + * @details Conversion group sequence 1...6. + */ + uint32_t sqr3; +} ADCConversionGroup; + +/** + * @brief Driver configuration structure. + * @note It could be empty on some architectures. + */ +typedef struct { + uint32_t dummy; +} ADCConfig; + +/** + * @brief Structure representing an ADC driver. + */ +struct ADCDriver { + /** + * @brief Driver state. + */ + adcstate_t state; + /** + * @brief Current configuration data. + */ + const ADCConfig *config; + /** + * @brief Current samples buffer pointer or @p NULL. + */ + adcsample_t *samples; + /** + * @brief Current samples buffer depth or @p 0. + */ + size_t depth; + /** + * @brief Current conversion group pointer or @p NULL. + */ + const ADCConversionGroup *grpp; +#if ADC_USE_WAIT || defined(__DOXYGEN__) + /** + * @brief Waiting thread. + */ + Thread *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 ADCx registers block. + */ + ADC_TypeDef *adc; + /** + * @brief Pointer to associated DMA channel. + */ + const stm32_dma_stream_t *dmastp; + /** + * @brief DMA mode bit mask. + */ + uint32_t dmamode; +}; + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @name Sequences building helper macros + * @{ + */ +/** + * @brief Number of channels in a conversion sequence. + */ +#define ADC_SQR1_NUM_CH(n) (((n) - 1) << 20) + +#define ADC_SQR3_SQ1_N(n) ((n) << 0) /**< @brief 1st channel in seq. */ +#define ADC_SQR3_SQ2_N(n) ((n) << 5) /**< @brief 2nd channel in seq. */ +#define ADC_SQR3_SQ3_N(n) ((n) << 10) /**< @brief 3rd channel in seq. */ +#define ADC_SQR3_SQ4_N(n) ((n) << 15) /**< @brief 4th channel in seq. */ +#define ADC_SQR3_SQ5_N(n) ((n) << 20) /**< @brief 5th channel in seq. */ +#define ADC_SQR3_SQ6_N(n) ((n) << 25) /**< @brief 6th channel in seq. */ + +#define ADC_SQR2_SQ7_N(n) ((n) << 0) /**< @brief 7th channel in seq. */ +#define ADC_SQR2_SQ8_N(n) ((n) << 5) /**< @brief 8th channel in seq. */ +#define ADC_SQR2_SQ9_N(n) ((n) << 10) /**< @brief 9th channel in seq. */ +#define ADC_SQR2_SQ10_N(n) ((n) << 15) /**< @brief 10th channel in seq.*/ +#define ADC_SQR2_SQ11_N(n) ((n) << 20) /**< @brief 11th channel in seq.*/ +#define ADC_SQR2_SQ12_N(n) ((n) << 25) /**< @brief 12th channel in seq.*/ + +#define ADC_SQR1_SQ13_N(n) ((n) << 0) /**< @brief 13th channel in seq.*/ +#define ADC_SQR1_SQ14_N(n) ((n) << 5) /**< @brief 14th channel in seq.*/ +#define ADC_SQR1_SQ15_N(n) ((n) << 10) /**< @brief 15th channel in seq.*/ +#define ADC_SQR1_SQ16_N(n) ((n) << 15) /**< @brief 16th channel in seq.*/ +/** @} */ + +/** + * @name Sampling rate settings helper macros + * @{ + */ +#define ADC_SMPR2_SMP_AN0(n) ((n) << 0) /**< @brief AN0 sampling time. */ +#define ADC_SMPR2_SMP_AN1(n) ((n) << 3) /**< @brief AN1 sampling time. */ +#define ADC_SMPR2_SMP_AN2(n) ((n) << 6) /**< @brief AN2 sampling time. */ +#define ADC_SMPR2_SMP_AN3(n) ((n) << 9) /**< @brief AN3 sampling time. */ +#define ADC_SMPR2_SMP_AN4(n) ((n) << 12) /**< @brief AN4 sampling time. */ +#define ADC_SMPR2_SMP_AN5(n) ((n) << 15) /**< @brief AN5 sampling time. */ +#define ADC_SMPR2_SMP_AN6(n) ((n) << 18) /**< @brief AN6 sampling time. */ +#define ADC_SMPR2_SMP_AN7(n) ((n) << 21) /**< @brief AN7 sampling time. */ +#define ADC_SMPR2_SMP_AN8(n) ((n) << 24) /**< @brief AN8 sampling time. */ +#define ADC_SMPR2_SMP_AN9(n) ((n) << 27) /**< @brief AN9 sampling time. */ + +#define ADC_SMPR1_SMP_AN10(n) ((n) << 0) /**< @brief AN10 sampling time. */ +#define ADC_SMPR1_SMP_AN11(n) ((n) << 3) /**< @brief AN11 sampling time. */ +#define ADC_SMPR1_SMP_AN12(n) ((n) << 6) /**< @brief AN12 sampling time. */ +#define ADC_SMPR1_SMP_AN13(n) ((n) << 9) /**< @brief AN13 sampling time. */ +#define ADC_SMPR1_SMP_AN14(n) ((n) << 12) /**< @brief AN14 sampling time. */ +#define ADC_SMPR1_SMP_AN15(n) ((n) << 15) /**< @brief AN15 sampling time. */ +#define ADC_SMPR1_SMP_SENSOR(n) ((n) << 18) /**< @brief Temperature Sensor + sampling time. */ +#define ADC_SMPR1_SMP_VREF(n) ((n) << 21) /**< @brief Voltage Reference + sampling time. */ +#define ADC_SMPR1_SMP_VBAT(n) ((n) << 24) /**< @brief VBAT sampling time. */ +/** @} */ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#if STM32_ADC_USE_ADC1 && !defined(__DOXYGEN__) +extern ADCDriver ADCD1; +#endif + +#if STM32_ADC_USE_ADC2 && !defined(__DOXYGEN__) +extern ADCDriver ADCD2; +#endif + +#if STM32_ADC_USE_ADC3 && !defined(__DOXYGEN__) +extern ADCDriver ADCD3; +#endif + +#ifdef __cplusplus +extern "C" { +#endif + void adc_lld_init(void); + void adc_lld_start(ADCDriver *adcp); + void adc_lld_stop(ADCDriver *adcp); + void adc_lld_start_conversion(ADCDriver *adcp); + void adc_lld_stop_conversion(ADCDriver *adcp); + void adcSTM32EnableTSVREFE(void); + void adcSTM32DisableTSVREFE(void); + void adcSTM32EnableVBATE(void); + void adcSTM32DisableVBATE(void); +#ifdef __cplusplus +} +#endif + +#endif /* HAL_USE_ADC */ + +#endif /* _ADC_LLD_H_ */ + +/** @} */ diff --git a/os/hal/platforms/STM32F4xx/ext_lld_isr.c b/os/hal/platforms/STM32F4xx/ext_lld_isr.c new file mode 100644 index 000000000..c99948904 --- /dev/null +++ b/os/hal/platforms/STM32F4xx/ext_lld_isr.c @@ -0,0 +1,352 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F4xx/ext_lld_isr.c + * @brief STM32F4xx/STM32F2xx EXT subsystem low level driver ISR code. + * + * @addtogroup EXT + * @{ + */ + +#include "hal.h" + +#if HAL_USE_EXT || defined(__DOXYGEN__) + +#include "ext_lld_isr.h" + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/** + * @brief EXTI[0] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI0_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 0); + EXTD1.config->channels[0].cb(&EXTD1, 0); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[1] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI1_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 1); + EXTD1.config->channels[1].cb(&EXTD1, 1); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[2] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI2_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 2); + EXTD1.config->channels[2].cb(&EXTD1, 2); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[3] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI3_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 3); + EXTD1.config->channels[3].cb(&EXTD1, 3); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[4] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI4_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 4); + EXTD1.config->channels[4].cb(&EXTD1, 4); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[5]...EXTI[9] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI9_5_IRQHandler) { + 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(); +} + +/** + * @brief EXTI[10]...EXTI[15] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI15_10_IRQHandler) { + 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(); +} + +/** + * @brief EXTI[16] interrupt handler (PVD). + * + * @isr + */ +CH_IRQ_HANDLER(PVD_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 16); + EXTD1.config->channels[16].cb(&EXTD1, 16); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[17] interrupt handler (RTC). + * + * @isr + */ +CH_IRQ_HANDLER(RTC_Alarm_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 17); + EXTD1.config->channels[17].cb(&EXTD1, 17); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[18] interrupt handler (OTG_FS_WKUP). + * + * @isr + */ +CH_IRQ_HANDLER(OTG_FS_WKUP_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 18); + EXTD1.config->channels[18].cb(&EXTD1, 18); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[19] interrupt handler (ETH_WKUP). + * + * @isr + */ +CH_IRQ_HANDLER(ETH_WKUP_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 19); + EXTD1.config->channels[19].cb(&EXTD1, 19); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[20] interrupt handler (OTG_HS_WKUP). + * + * @isr + */ +CH_IRQ_HANDLER(OTG_HS_WKUP_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 20); + EXTD1.config->channels[20].cb(&EXTD1, 20); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[21] interrupt handler (TAMPER_STAMP). + * + * @isr + */ +CH_IRQ_HANDLER(TAMPER_STAMP_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 21); + EXTD1.config->channels[21].cb(&EXTD1, 21); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[22] interrupt handler (RTC_WKUP). + * + * @isr + */ +CH_IRQ_HANDLER(RTC_WKUP_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 22); + EXTD1.config->channels[22].cb(&EXTD1, 22); + + CH_IRQ_EPILOGUE(); +} + +/*===========================================================================*/ +/* 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_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(OTG_FS_WKUP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI18_IRQ_PRIORITY)); + nvicEnableVector(ETH_WKUP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI19_IRQ_PRIORITY)); + nvicEnableVector(OTG_HS_WKUP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI20_IRQ_PRIORITY)); + nvicEnableVector(TAMP_STAMP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI21_IRQ_PRIORITY)); + nvicEnableVector(RTC_WKUP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI22_IRQ_PRIORITY)); +} + +/** + * @brief Disables EXTI IRQ sources. + * + * @notapi + */ +void ext_lld_exti_irq_disable(void) { + + nvicDisableVector(EXTI0_IRQn); + nvicDisableVector(EXTI1_IRQn); + nvicDisableVector(EXTI2_IRQn); + nvicDisableVector(EXTI3_IRQn); + nvicDisableVector(EXTI4_IRQn); + nvicDisableVector(EXTI9_5_IRQn); + nvicDisableVector(EXTI15_10_IRQn); + nvicDisableVector(PVD_IRQn); + nvicDisableVector(RTC_Alarm_IRQn); + nvicDisableVector(OTG_FS_WKUP_IRQn); + nvicDisableVector(ETH_WKUP_IRQn); + nvicDisableVector(OTG_HS_WKUP_IRQn); + nvicDisableVector(TAMP_STAMP_IRQn); + nvicDisableVector(RTC_WKUP_IRQn); +} + +#endif /* HAL_USE_EXT */ + +/** @} */ diff --git a/os/hal/platforms/STM32F4xx/ext_lld_isr.h b/os/hal/platforms/STM32F4xx/ext_lld_isr.h new file mode 100644 index 000000000..33e8e0be1 --- /dev/null +++ b/os/hal/platforms/STM32F4xx/ext_lld_isr.h @@ -0,0 +1,170 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F4xx/ext_lld_isr.h + * @brief STM32F4xx/STM32F2xx EXT subsystem low level driver ISR header. + * + * @addtogroup EXT + * @{ + */ + +#ifndef _EXT_LLD_ISR_H_ +#define _EXT_LLD_ISR_H_ + +#if HAL_USE_EXT || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief EXTI0 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI0_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI0_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI1 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI1_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI1_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI2 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI2_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI2_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI3 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI3_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI3_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI4 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI4_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI4_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI9..5 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI5_9_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI5_9_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI15..10 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI10_15_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI10_15_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI16 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI16_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI16_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI17 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI17_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI17_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI18 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI18_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI18_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI19 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI19_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI19_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI20 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI20_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI20_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI21 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI21_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI21_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI22 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI22_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI22_IRQ_PRIORITY 6 +#endif +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif + void ext_lld_exti_irq_enable(void); + void ext_lld_exti_irq_disable(void); +#ifdef __cplusplus +} +#endif + +#endif /* HAL_USE_EXT */ + +#endif /* _EXT_LLD_ISR_H_ */ + +/** @} */ diff --git a/os/hal/platforms/STM32F4xx/hal_lld.c b/os/hal/platforms/STM32F4xx/hal_lld.c new file mode 100644 index 000000000..7ec69c5f7 --- /dev/null +++ b/os/hal/platforms/STM32F4xx/hal_lld.c @@ -0,0 +1,236 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F4xx/hal_lld.c + * @brief STM32F4xx/STM32F2xx HAL subsystem low level driver source. + * + * @addtogroup HAL + * @{ + */ + +/* TODO: LSEBYP like in F3.*/ + +#include "hal.h" + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/** + * @brief Initializes the backup domain. + * @note WARNING! Changing clock source impossible without resetting + * of the whole BKP domain. + */ +static void hal_lld_backup_domain_init(void) { + + /* Backup domain access enabled and left open.*/ + PWR->CR |= PWR_CR_DBP; + + /* Reset BKP domain if different clock source selected.*/ + if ((RCC->BDCR & STM32_RTCSEL_MASK) != STM32_RTCSEL) { + /* Backup domain reset.*/ + RCC->BDCR = RCC_BDCR_BDRST; + RCC->BDCR = 0; + } + +#if STM32_LSE_ENABLED + RCC->BDCR |= RCC_BDCR_LSEON; + while ((RCC->BDCR & RCC_BDCR_LSERDY) == 0) + ; /* Waits until LSE is stable. */ +#endif + +#if HAL_USE_RTC + /* If the backup domain hasn't been initialized yet then proceed with + initialization.*/ + if ((RCC->BDCR & RCC_BDCR_RTCEN) == 0) { + /* Selects clock source.*/ + RCC->BDCR |= STM32_RTCSEL; + + /* RTC clock enabled.*/ + RCC->BDCR |= RCC_BDCR_RTCEN; + } +#endif /* HAL_USE_RTC */ + +#if STM32_BKPRAM_ENABLE + rccEnableBKPSRAM(false); + + PWR->CSR |= PWR_CSR_BRE; + while ((PWR->CSR & PWR_CSR_BRR) == 0) + ; /* Waits until the regulator is stable */ +#else + PWR->CSR &= ~PWR_CSR_BRE; +#endif /* STM32_BKPRAM_ENABLE */ +} + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Low level HAL driver initialization. + * + * @notapi + */ +void hal_lld_init(void) { + + /* Reset of all peripherals. AHB3 is not reseted because it could have + been initialized in the board initialization file (board.c).*/ + rccResetAHB1(~0); + rccResetAHB2(~0); + rccResetAPB1(~RCC_APB1RSTR_PWRRST); + rccResetAPB2(~0); + + /* 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 */ +} + +/** + * @brief STM32F2xx clocks and PLL initialization. + * @note All the involved constants come from the file @p board.h. + * @note This function should be invoked just after the system reset. + * + * @special + */ +void stm32_clock_init(void) { + +#if !STM32_NO_INIT + /* PWR clock enable.*/ + RCC->APB1ENR = RCC_APB1ENR_PWREN; + + /* PWR initialization.*/ +#if defined(STM32F4XX) || defined(__DOXYGEN__) + PWR->CR = STM32_VOS; + while ((PWR->CSR & PWR_CSR_VOSRDY) == 0) + ; /* Waits until power regulator is stable. */ +#else + PWR->CR = 0; +#endif + + /* Initial clocks setup and wait for HSI stabilization, the MSI clock is + always enabled because it is the fallback clock when PLL the fails.*/ + RCC->CR |= RCC_CR_HSION; + while ((RCC->CR & RCC_CR_HSIRDY) == 0) + ; /* Waits until HSI is stable. */ + +#if STM32_HSE_ENABLED + /* HSE activation.*/ +#if defined(STM32_HSE_BYPASS) + /* HSE Bypass.*/ + RCC->CR |= RCC_CR_HSEON | RCC_CR_HSEBYP; +#else + /* No HSE Bypass.*/ + RCC->CR |= RCC_CR_HSEON; +#endif + while ((RCC->CR & RCC_CR_HSERDY) == 0) + ; /* Waits until HSE is stable. */ +#endif + +#if STM32_LSI_ENABLED + /* LSI activation.*/ + RCC->CSR |= RCC_CSR_LSION; + while ((RCC->CSR & RCC_CSR_LSIRDY) == 0) + ; /* Waits until LSI is stable. */ +#endif + +#if STM32_ACTIVATE_PLL + /* PLL activation.*/ + RCC->PLLCFGR = STM32_PLLQ | STM32_PLLSRC | STM32_PLLP | STM32_PLLN | + STM32_PLLM; + RCC->CR |= RCC_CR_PLLON; + while (!(RCC->CR & RCC_CR_PLLRDY)) + ; /* Waits until PLL is stable. */ +#endif + +#if STM32_ACTIVATE_PLLI2S + /* PLLI2S activation.*/ + RCC->PLLI2SCFGR = STM32_PLLI2SR | STM32_PLLI2SN; + RCC->CR |= RCC_CR_PLLI2SON; + while (!(RCC->CR & RCC_CR_PLLI2SRDY)) + ; /* Waits until PLLI2S is stable. */ +#endif + + /* Other clock-related settings (dividers, MCO etc).*/ + RCC->CFGR |= STM32_MCO2PRE | STM32_MCO2SEL | STM32_MCO1PRE | STM32_MCO1SEL | + STM32_RTCPRE | STM32_PPRE2 | STM32_PPRE1 | STM32_HPRE; + + /* Flash setup.*/ +#if defined(STM32_USE_REVISION_A_FIX) + /* Some old revisions of F4x MCUs randomly crashes with compiler + optimizations enabled AND flash caches enabled. */ + if ((DBGMCU->IDCODE == 0x20006411) && (SCB->CPUID == 0x410FC241)) + FLASH->ACR = FLASH_ACR_PRFTEN | STM32_FLASHBITS; + else + FLASH->ACR = FLASH_ACR_PRFTEN | FLASH_ACR_ICEN | + FLASH_ACR_DCEN | STM32_FLASHBITS; +#else + FLASH->ACR = FLASH_ACR_PRFTEN | FLASH_ACR_ICEN | + FLASH_ACR_DCEN | STM32_FLASHBITS; +#endif + + /* Switching to the configured clock source if it is different from MSI.*/ +#if (STM32_SW != STM32_SW_HSI) + RCC->CFGR |= STM32_SW; /* Switches on the selected clock source. */ + while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2)) + ; +#endif +#endif /* STM32_NO_INIT */ + + /* SYSCFG clock enabled here because it is a multi-functional unit shared + among multiple drivers.*/ + rccEnableAPB2(RCC_APB2ENR_SYSCFGEN, TRUE); +} + +/** @} */ diff --git a/os/hal/platforms/STM32F4xx/hal_lld.h b/os/hal/platforms/STM32F4xx/hal_lld.h new file mode 100644 index 000000000..0a7291420 --- /dev/null +++ b/os/hal/platforms/STM32F4xx/hal_lld.h @@ -0,0 +1,1549 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F4xx/hal_lld.h + * @brief STM32F4xx/STM32F2xx HAL subsystem low level driver header. + * @pre This module requires the following macros to be defined in the + * @p board.h file: + * - STM32_LSECLK. + * - STM32_HSECLK. + * - STM32_HSE_BYPASS (optionally). + * - STM32_VDD (as hundredths of Volt). + * . + * One of the following macros must also be defined: + * - STM32F2XX for High-performance STM32 F-2 devices. + * - STM32F4XX for High-performance STM32 F-4 devices. + * . + * + * @addtogroup HAL + * @{ + */ + +#ifndef _HAL_LLD_H_ +#define _HAL_LLD_H_ + +#include "stm32.h" + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @brief Defines the support for realtime counters in the HAL. + */ +#define HAL_IMPLEMENTS_COUNTERS TRUE + +/** + * @name Platform identification + * @{ + */ +#if defined(STM32F4XX) || defined(__DOXYGEN__) +#define PLATFORM_NAME "STM32F4xx High Performance" +#else /* !defined(STM32F4XX) */ +#define PLATFORM_NAME "STM32F2xx High Performance" +#endif /* !defined(STM32F4XX) */ +/** @} */ + +/** + * @name Absolute Maximum Ratings + * @{ + */ +#if defined(STM32F4XX) || defined(__DOXYGEN__) +/** + * @brief Maximum HSE clock frequency. + */ +#define STM32_HSECLK_MAX 26000000 + +/** + * @brief Minimum HSE clock frequency. + */ +#define STM32_HSECLK_MIN 1000000 + +/** + * @brief Maximum LSE clock frequency. + */ +#define STM32_LSECLK_MAX 1000000 + +/** + * @brief Minimum LSE clock frequency. + */ +#define STM32_LSECLK_MIN 32768 + +/** + * @brief Maximum PLLs input clock frequency. + */ +#define STM32_PLLIN_MAX 2000000 + +/** + * @brief Minimum PLLs input clock frequency. + */ +#define STM32_PLLIN_MIN 950000 + +/** + * @brief Maximum PLLs VCO clock frequency. + */ +#define STM32_PLLVCO_MAX 432000000 + +/** + * @brief Maximum PLLs VCO clock frequency. + */ +#define STM32_PLLVCO_MIN 192000000 + +/** + * @brief Maximum PLL output clock frequency. + */ +#define STM32_PLLOUT_MAX 168000000 + +/** + * @brief Minimum PLL output clock frequency. + */ +#define STM32_PLLOUT_MIN 24000000 + +/** + * @brief Maximum APB1 clock frequency. + */ +#define STM32_PCLK1_MAX 42000000 + +/** + * @brief Maximum APB2 clock frequency. + */ +#define STM32_PCLK2_MAX 84000000 + +/** + * @brief Maximum SPI/I2S clock frequency. + */ +#define STM32_SPII2S_MAX 37500000 + +#else /* !defined(STM32F4XX) */ +#define STM32_SYSCLK_MAX 120000000 +#define STM32_HSECLK_MAX 26000000 +#define STM32_HSECLK_MIN 1000000 +#define STM32_LSECLK_MAX 1000000 +#define STM32_LSECLK_MIN 32768 +#define STM32_PLLIN_MAX 2000000 +#define STM32_PLLIN_MIN 950000 +#define STM32_PLLVCO_MAX 432000000 +#define STM32_PLLVCO_MIN 192000000 +#define STM32_PLLOUT_MAX 120000000 +#define STM32_PLLOUT_MIN 24000000 +#define STM32_PCLK1_MAX 30000000 +#define STM32_PCLK2_MAX 60000000 +#define STM32_SPII2S_MAX 37500000 +#endif /* !defined(STM32F4XX) */ +/** @} */ + +/** + * @name Internal clock sources + * @{ + */ +#define STM32_HSICLK 16000000 /**< High speed internal clock. */ +#define STM32_LSICLK 32000 /**< Low speed internal clock. */ +/** @} */ + +/** + * @name PWR_CR register bits definitions + * @{ + */ +#if defined(STM32F4XX) || defined(__DOXYGEN__) +#define STM32_VOS_MASK (1 << 14) /**< Core voltage mask. */ +#define STM32_VOS_LOW (0 << 14) /**< Core voltage set to low. */ +#define STM32_VOS_HIGH (1 << 14) /**< Core voltage set to high. */ +#endif +#define STM32_PLS_MASK (7 << 5) /**< PLS bits mask. */ +#define STM32_PLS_LEV0 (0 << 5) /**< PVD level 0. */ +#define STM32_PLS_LEV1 (1 << 5) /**< PVD level 1. */ +#define STM32_PLS_LEV2 (2 << 5) /**< PVD level 2. */ +#define STM32_PLS_LEV3 (3 << 5) /**< PVD level 3. */ +#define STM32_PLS_LEV4 (4 << 5) /**< PVD level 4. */ +#define STM32_PLS_LEV5 (5 << 5) /**< PVD level 5. */ +#define STM32_PLS_LEV6 (6 << 5) /**< PVD level 6. */ +#define STM32_PLS_LEV7 (7 << 5) /**< PVD level 7. */ +/** @} */ + +/** + * @name RCC_PLLCFGR register bits definitions + * @{ + */ +#define STM32_PLLP_MASK (3 << 16) /**< PLLP mask. */ +#define STM32_PLLP_DIV2 (0 << 16) /**< PLL clock divided by 2. */ +#define STM32_PLLP_DIV4 (1 << 16) /**< PLL clock divided by 4. */ +#define STM32_PLLP_DIV6 (2 << 16) /**< PLL clock divided by 6. */ +#define STM32_PLLP_DIV8 (3 << 16) /**< PLL clock divided by 8. */ + +#define STM32_PLLSRC_HSI (0 << 22) /**< PLL clock source is HSI. */ +#define STM32_PLLSRC_HSE (1 << 22) /**< PLL clock source is HSE. */ +/** @} */ + +/** + * @name RCC_CFGR register bits definitions + * @{ + */ +#define STM32_SW_MASK (3 << 0) /**< SW mask. */ +#define STM32_SW_HSI (0 << 0) /**< SYSCLK source is HSI. */ +#define STM32_SW_HSE (1 << 0) /**< SYSCLK source is HSE. */ +#define STM32_SW_PLL (2 << 0) /**< SYSCLK source is PLL. */ + +#define STM32_HPRE_MASK (15 << 4) /**< HPRE mask. */ +#define STM32_HPRE_DIV1 (0 << 4) /**< SYSCLK divided by 1. */ +#define STM32_HPRE_DIV2 (8 << 4) /**< SYSCLK divided by 2. */ +#define STM32_HPRE_DIV4 (9 << 4) /**< SYSCLK divided by 4. */ +#define STM32_HPRE_DIV8 (10 << 4) /**< SYSCLK divided by 8. */ +#define STM32_HPRE_DIV16 (11 << 4) /**< SYSCLK divided by 16. */ +#define STM32_HPRE_DIV64 (12 << 4) /**< SYSCLK divided by 64. */ +#define STM32_HPRE_DIV128 (13 << 4) /**< SYSCLK divided by 128. */ +#define STM32_HPRE_DIV256 (14 << 4) /**< SYSCLK divided by 256. */ +#define STM32_HPRE_DIV512 (15 << 4) /**< SYSCLK divided by 512. */ + +#define STM32_PPRE1_MASK (7 << 10) /**< PPRE1 mask. */ +#define STM32_PPRE1_DIV1 (0 << 10) /**< HCLK divided by 1. */ +#define STM32_PPRE1_DIV2 (4 << 10) /**< HCLK divided by 2. */ +#define STM32_PPRE1_DIV4 (5 << 10) /**< HCLK divided by 4. */ +#define STM32_PPRE1_DIV8 (6 << 10) /**< HCLK divided by 8. */ +#define STM32_PPRE1_DIV16 (7 << 10) /**< HCLK divided by 16. */ + +#define STM32_PPRE2_MASK (7 << 13) /**< PPRE2 mask. */ +#define STM32_PPRE2_DIV1 (0 << 13) /**< HCLK divided by 1. */ +#define STM32_PPRE2_DIV2 (4 << 13) /**< HCLK divided by 2. */ +#define STM32_PPRE2_DIV4 (5 << 13) /**< HCLK divided by 4. */ +#define STM32_PPRE2_DIV8 (6 << 13) /**< HCLK divided by 8. */ +#define STM32_PPRE2_DIV16 (7 << 13) /**< HCLK divided by 16. */ + +#define STM32_RTCPRE_MASK (31 << 16) /**< RTCPRE mask. */ + +#define STM32_MCO1SEL_MASK (3 << 21) /**< MCO1 mask. */ +#define STM32_MCO1SEL_HSI (0 << 21) /**< HSI clock on MCO1 pin. */ +#define STM32_MCO1SEL_LSE (1 << 21) /**< LSE clock on MCO1 pin. */ +#define STM32_MCO1SEL_HSE (2 << 21) /**< HSE clock on MCO1 pin. */ +#define STM32_MCO1SEL_PLL (3 << 21) /**< PLL clock on MCO1 pin. */ + +#define STM32_I2SSRC_MASK (1 << 23) /**< I2CSRC mask. */ +#define STM32_I2SSRC_PLLI2S (0 << 23) /**< I2SSRC is PLLI2S. */ +#define STM32_I2SSRC_CKIN (1 << 23) /**< I2S_CKIN is PLLI2S. */ + +#define STM32_MCO1PRE_MASK (7 << 24) /**< MCO1PRE mask. */ +#define STM32_MCO1PRE_DIV1 (0 << 24) /**< MCO1 divided by 1. */ +#define STM32_MCO1PRE_DIV2 (4 << 24) /**< MCO1 divided by 2. */ +#define STM32_MCO1PRE_DIV3 (5 << 24) /**< MCO1 divided by 3. */ +#define STM32_MCO1PRE_DIV4 (6 << 24) /**< MCO1 divided by 4. */ +#define STM32_MCO1PRE_DIV5 (7 << 24) /**< MCO1 divided by 5. */ + +#define STM32_MCO2PRE_MASK (7 << 27) /**< MCO2PRE mask. */ +#define STM32_MCO2PRE_DIV1 (0 << 27) /**< MCO2 divided by 1. */ +#define STM32_MCO2PRE_DIV2 (4 << 27) /**< MCO2 divided by 2. */ +#define STM32_MCO2PRE_DIV3 (5 << 27) /**< MCO2 divided by 3. */ +#define STM32_MCO2PRE_DIV4 (6 << 27) /**< MCO2 divided by 4. */ +#define STM32_MCO2PRE_DIV5 (7 << 27) /**< MCO2 divided by 5. */ + +#define STM32_MCO2SEL_MASK (3U << 30) /**< MCO2 mask. */ +#define STM32_MCO2SEL_SYSCLK (0U << 30) /**< SYSCLK clock on MCO2 pin. */ +#define STM32_MCO2SEL_PLLI2S (1U << 30) /**< PLLI2S clock on MCO2 pin. */ +#define STM32_MCO2SEL_HSE (2U << 30) /**< HSE clock on MCO2 pin. */ +#define STM32_MCO2SEL_PLL (3U << 30) /**< PLL clock on MCO2 pin. */ + +#define STM32_RTC_NOCLOCK (0 << 8) /**< No clock. */ +#define STM32_RTC_LSE (1 << 8) /**< LSE used as RTC clock. */ +#define STM32_RTC_LSI (2 << 8) /**< LSI used as RTC clock. */ +#define STM32_RTC_HSE (3 << 8) /**< HSE divided by programmable + prescaler used as RTC clock*/ + +/** + * @name RCC_PLLI2SCFGR register bits definitions + * @{ + */ +#define STM32_PLLI2SN_MASK (511 << 6) /**< PLLI2SN mask. */ +#define STM32_PLLI2SR_MASK (7 << 28) /**< PLLI2SR mask. */ +/** @} */ + +/** + * @name RCC_BDCR register bits definitions + * @{ + */ +#define STM32_RTCSEL_MASK (3 << 8) /**< RTC source mask. */ +#define STM32_RTCSEL_NOCLOCK (0 << 8) /**< No RTC source. */ +#define STM32_RTCSEL_LSE (1 << 8) /**< RTC source is LSE. */ +#define STM32_RTCSEL_LSI (2 << 8) /**< RTC source is LSI. */ +#define STM32_RTCSEL_HSEDIV (3 << 8) /**< RTC source is HSE divided. */ +/** @} */ + +/*===========================================================================*/ +/* Platform capabilities. */ +/*===========================================================================*/ + +/** + * @name STM32F4xx capabilities + * @{ + */ +/* ADC attributes.*/ +#define STM32_HAS_ADC1 TRUE +#define STM32_ADC1_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 0) | \ + STM32_DMA_STREAM_ID_MSK(2, 4)) +#define STM32_ADC1_DMA_CHN 0x00000000 + +#define STM32_HAS_ADC2 TRUE +#define STM32_ADC2_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 2) | \ + STM32_DMA_STREAM_ID_MSK(2, 3)) +#define STM32_ADC2_DMA_CHN 0x00001100 + +#define STM32_HAS_ADC3 TRUE +#define STM32_ADC3_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 0) | \ + STM32_DMA_STREAM_ID_MSK(2, 1)) +#define STM32_ADC3_DMA_CHN 0x00000022 + +#define STM32_HAS_ADC4 FALSE +#define STM32_ADC4_DMA_MSK 0x00000000 +#define STM32_ADC4_DMA_CHN 0x00000000 + +/* CAN attributes.*/ +#define STM32_HAS_CAN1 TRUE +#define STM32_HAS_CAN2 TRUE +#define STM32_CAN_MAX_FILTERS 28 + +/* DAC attributes.*/ +#define STM32_HAS_DAC TRUE + +/* DMA attributes.*/ +#define STM32_ADVANCED_DMA TRUE +#define STM32_HAS_DMA1 TRUE +#define STM32_HAS_DMA2 TRUE + +/* ETH attributes.*/ +#define STM32_HAS_ETH TRUE + +/* EXTI attributes.*/ +#define STM32_EXTI_NUM_CHANNELS 23 + +/* GPIO attributes.*/ +#define STM32_HAS_GPIOA TRUE +#define STM32_HAS_GPIOB TRUE +#define STM32_HAS_GPIOC TRUE +#define STM32_HAS_GPIOD TRUE +#define STM32_HAS_GPIOE TRUE +#define STM32_HAS_GPIOF TRUE +#define STM32_HAS_GPIOG TRUE +#define STM32_HAS_GPIOH TRUE +#define STM32_HAS_GPIOI TRUE + +/* I2C attributes.*/ +#define STM32_HAS_I2C1 TRUE +#define STM32_I2C1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 0) | \ + STM32_DMA_STREAM_ID_MSK(1, 5)) +#define STM32_I2C1_RX_DMA_CHN 0x00100001 +#define STM32_I2C1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 7)) | \ + (STM32_DMA_STREAM_ID_MSK(1, 6)) +#define STM32_I2C1_TX_DMA_CHN 0x11000000 + +#define STM32_HAS_I2C2 TRUE +#define STM32_I2C2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 2) | \ + STM32_DMA_STREAM_ID_MSK(1, 3)) +#define STM32_I2C2_RX_DMA_CHN 0x00007700 +#define STM32_I2C2_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 7)) +#define STM32_I2C2_TX_DMA_CHN 0x70000000 + +#define STM32_HAS_I2C3 TRUE +#define STM32_I2C3_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 2)) +#define STM32_I2C3_RX_DMA_CHN 0x00000300 +#define STM32_I2C3_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 4)) +#define STM32_I2C3_TX_DMA_CHN 0x00030000 + +/* RTC attributes.*/ +#define STM32_HAS_RTC TRUE +#if defined(STM32F4XX) || defined(__DOXYGEN__) +#define STM32_RTC_HAS_SUBSECONDS TRUE +#else +#define STM32_RTC_HAS_SUBSECONDS FALSE +#endif +#define STM32_RTC_IS_CALENDAR TRUE + +/* SDIO attributes.*/ +#define STM32_HAS_SDIO TRUE +#define STM32_SDC_SDIO_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 3) | \ + STM32_DMA_STREAM_ID_MSK(2, 6)) +#define STM32_SDC_SDIO_DMA_CHN 0x04004000 + +/* SPI attributes.*/ +#define STM32_HAS_SPI1 TRUE +#define STM32_SPI1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 0) | \ + STM32_DMA_STREAM_ID_MSK(2, 2)) +#define STM32_SPI1_RX_DMA_CHN 0x00000303 +#define STM32_SPI1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 3) | \ + STM32_DMA_STREAM_ID_MSK(2, 5)) +#define STM32_SPI1_TX_DMA_CHN 0x00303000 + +#define STM32_HAS_SPI2 TRUE +#define STM32_SPI2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 3)) +#define STM32_SPI2_RX_DMA_CHN 0x00000000 +#define STM32_SPI2_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 4)) +#define STM32_SPI2_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_SPI3 TRUE +#define STM32_SPI3_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 0) | \ + STM32_DMA_STREAM_ID_MSK(1, 2)) +#define STM32_SPI3_RX_DMA_CHN 0x00000000 +#define STM32_SPI3_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 5) | \ + STM32_DMA_STREAM_ID_MSK(1, 7)) +#define STM32_SPI3_TX_DMA_CHN 0x00000000 + +/* 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 TRUE +#define STM32_HAS_TIM6 TRUE +#define STM32_HAS_TIM7 TRUE +#define STM32_HAS_TIM8 TRUE +#define STM32_HAS_TIM9 TRUE +#define STM32_HAS_TIM10 TRUE +#define STM32_HAS_TIM11 TRUE +#define STM32_HAS_TIM12 TRUE +#define STM32_HAS_TIM13 TRUE +#define STM32_HAS_TIM14 TRUE +#define STM32_HAS_TIM15 FALSE +#define STM32_HAS_TIM16 FALSE +#define STM32_HAS_TIM17 FALSE +#define STM32_HAS_TIM18 FALSE +#define STM32_HAS_TIM19 FALSE + +/* USART attributes.*/ +#define STM32_HAS_USART1 TRUE +#define STM32_USART1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 2) | \ + STM32_DMA_STREAM_ID_MSK(2, 5)) +#define STM32_USART1_RX_DMA_CHN 0x00400400 +#define STM32_USART1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 7)) +#define STM32_USART1_TX_DMA_CHN 0x40000000 + +#define STM32_HAS_USART2 TRUE +#define STM32_USART2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 5)) +#define STM32_USART2_RX_DMA_CHN 0x00400000 +#define STM32_USART2_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 6)) +#define STM32_USART2_TX_DMA_CHN 0x04000000 + +#define STM32_HAS_USART3 TRUE +#define STM32_USART3_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 1)) +#define STM32_USART3_RX_DMA_CHN 0x00000040 +#define STM32_USART3_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 3) | \ + STM32_DMA_STREAM_ID_MSK(1, 4)) +#define STM32_USART3_TX_DMA_CHN 0x00074000 + +#define STM32_HAS_UART4 TRUE +#define STM32_UART4_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 2)) +#define STM32_UART4_RX_DMA_CHN 0x00000400 +#define STM32_UART4_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 4)) +#define STM32_UART4_TX_DMA_CHN 0x00040000 + +#define STM32_HAS_UART5 TRUE +#define STM32_UART5_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 0)) +#define STM32_UART5_RX_DMA_CHN 0x00000004 +#define STM32_UART5_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 7)) +#define STM32_UART5_TX_DMA_CHN 0x40000000 + +#define STM32_HAS_USART6 TRUE +#define STM32_USART6_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 1) | \ + STM32_DMA_STREAM_ID_MSK(2, 2)) +#define STM32_USART6_RX_DMA_CHN 0x00000550 +#define STM32_USART6_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 6) | \ + STM32_DMA_STREAM_ID_MSK(2, 7)) +#define STM32_USART6_TX_DMA_CHN 0x55000000 + +/* USB attributes.*/ +#define STM32_HAS_USB FALSE +#define STM32_HAS_OTG1 TRUE +#define STM32_HAS_OTG2 TRUE +/** @} */ + +/*===========================================================================*/ +/* Platform specific friendly IRQ names. */ +/*===========================================================================*/ + +/** + * @name IRQ VECTOR names + * @{ + */ +#define WWDG_IRQHandler Vector40 /**< Window Watchdog. */ +#define PVD_IRQHandler Vector44 /**< PVD through EXTI Line + detect. */ +#define TAMP_STAMP_IRQHandler Vector48 /**< Tamper and TimeStamp + through EXTI Line. */ +#define RTC_WKUP_IRQHandler Vector4C /**< RTC wakeup EXTI Line. */ +#define FLASH_IRQHandler Vector50 /**< Flash. */ +#define RCC_IRQHandler Vector54 /**< RCC. */ +#define EXTI0_IRQHandler Vector58 /**< EXTI Line 0. */ +#define EXTI1_IRQHandler Vector5C /**< EXTI Line 1. */ +#define EXTI2_IRQHandler Vector60 /**< EXTI Line 2. */ +#define EXTI3_IRQHandler Vector64 /**< EXTI Line 3. */ +#define EXTI4_IRQHandler Vector68 /**< EXTI Line 4. */ +#define DMA1_Stream0_IRQHandler Vector6C /**< DMA1 Stream 0. */ +#define DMA1_Stream1_IRQHandler Vector70 /**< DMA1 Stream 1. */ +#define DMA1_Stream2_IRQHandler Vector74 /**< DMA1 Stream 2. */ +#define DMA1_Stream3_IRQHandler Vector78 /**< DMA1 Stream 3. */ +#define DMA1_Stream4_IRQHandler Vector7C /**< DMA1 Stream 4. */ +#define DMA1_Stream5_IRQHandler Vector80 /**< DMA1 Stream 5. */ +#define DMA1_Stream6_IRQHandler Vector84 /**< DMA1 Stream 6. */ +#define ADC1_2_3_IRQHandler Vector88 /**< ADC1, ADC2 and ADC3. */ +#define CAN1_TX_IRQHandler Vector8C /**< CAN1 TX. */ +#define CAN1_RX0_IRQHandler Vector90 /**< CAN1 RX0. */ +#define CAN1_RX1_IRQHandler Vector94 /**< CAN1 RX1. */ +#define CAN1_SCE_IRQHandler Vector98 /**< CAN1 SCE. */ +#define EXTI9_5_IRQHandler Vector9C /**< EXTI Line 9..5. */ +#define TIM1_BRK_IRQHandler VectorA0 /**< TIM1 Break. */ +#define TIM1_UP_IRQHandler VectorA4 /**< TIM1 Update. */ +#define TIM1_TRG_COM_IRQHandler VectorA8 /**< TIM1 Trigger and + Commutation. */ +#define TIM1_CC_IRQHandler VectorAC /**< TIM1 Capture Compare. */ +#define TIM2_IRQHandler VectorB0 /**< TIM2. */ +#define TIM3_IRQHandler VectorB4 /**< TIM3. */ +#define TIM4_IRQHandler VectorB8 /**< TIM4. */ +#define I2C1_EV_IRQHandler VectorBC /**< I2C1 Event. */ +#define I2C1_ER_IRQHandler VectorC0 /**< I2C1 Error. */ +#define I2C2_EV_IRQHandler VectorC4 /**< I2C2 Event. */ +#define I2C2_ER_IRQHandler VectorC8 /**< I2C1 Error. */ +#define SPI1_IRQHandler VectorCC /**< SPI1. */ +#define SPI2_IRQHandler VectorD0 /**< SPI2. */ +#define USART1_IRQHandler VectorD4 /**< USART1. */ +#define USART2_IRQHandler VectorD8 /**< USART2. */ +#define USART3_IRQHandler VectorDC /**< USART3. */ +#define EXTI15_10_IRQHandler VectorE0 /**< EXTI Line 15..10. */ +#define RTC_Alarm_IRQHandler VectorE4 /**< RTC alarms (A and B) + through EXTI line. */ +#define OTG_FS_WKUP_IRQHandler VectorE8 /**< USB OTG FS Wakeup through + EXTI line. */ +#define TIM8_BRK_IRQHandler VectorEC /**< TIM8 Break. */ +#define TIM8_UP_IRQHandler VectorF0 /**< TIM8 Update. */ +#define TIM8_TRG_COM_IRQHandler VectorF4 /**< TIM8 Trigger and + Commutation. */ +#define TIM8_CC_IRQHandler VectorF8 /**< TIM8 Capture Compare. */ +#define DMA1_Stream7_IRQHandler VectorFC /**< DMA1 Stream 7. */ +#define FSMC_IRQHandler Vector100 /**< FSMC. */ +#define SDIO_IRQHandler Vector104 /**< SDIO. */ +#define TIM5_IRQHandler Vector108 /**< TIM5. */ +#define SPI3_IRQHandler Vector10C /**< SPI3. */ +#define UART4_IRQHandler Vector110 /**< UART4. */ +#define UART5_IRQHandler Vector114 /**< UART5. */ +#define TIM6_IRQHandler Vector118 /**< TIM6. */ +#define TIM7_IRQHandler Vector11C /**< TIM7. */ +#define DMA2_Stream0_IRQHandler Vector120 /**< DMA2 Stream0. */ +#define DMA2_Stream1_IRQHandler Vector124 /**< DMA2 Stream1. */ +#define DMA2_Stream2_IRQHandler Vector128 /**< DMA2 Stream2. */ +#define DMA2_Stream3_IRQHandler Vector12C /**< DMA2 Stream3. */ +#define DMA2_Stream4_IRQHandler Vector130 /**< DMA2 Stream4. */ +#define ETH_IRQHandler Vector134 /**< Ethernet. */ +#define ETH_WKUP_IRQHandler Vector138 /**< Ethernet Wakeup through + EXTI line. */ +#define CAN2_TX_IRQHandler Vector13C /**< CAN2 TX. */ +#define CAN2_RX0_IRQHandler Vector140 /**< CAN2 RX0. */ +#define CAN2_RX1_IRQHandler Vector144 /**< CAN2 RX1. */ +#define CAN2_SCE_IRQHandler Vector148 /**< CAN2 SCE. */ +#define OTG_FS_IRQHandler Vector14C /**< USB OTG FS. */ +#define DMA2_Stream5_IRQHandler Vector150 /**< DMA2 Stream5. */ +#define DMA2_Stream6_IRQHandler Vector154 /**< DMA2 Stream6. */ +#define DMA2_Stream7_IRQHandler Vector158 /**< DMA2 Stream7. */ +#define USART6_IRQHandler Vector15C /**< USART6. */ +#define I2C3_EV_IRQHandler Vector160 /**< I2C3 Event. */ +#define I2C3_ER_IRQHandler Vector164 /**< I2C3 Error. */ +#define OTG_HS_EP1_OUT_IRQHandler Vector168 /**< USB OTG HS End Point 1 Out.*/ +#define OTG_HS_EP1_IN_IRQHandler Vector16C /**< USB OTG HS End Point 1 In. */ +#define OTG_HS_WKUP_IRQHandler Vector170 /**< USB OTG HS Wakeup through + EXTI line. */ +#define OTG_HS_IRQHandler Vector174 /**< USB OTG HS. */ +#define DCMI_IRQHandler Vector178 /**< DCMI. */ +#define CRYP_IRQHandler Vector17C /**< CRYP. */ +#define HASH_RNG_IRQHandler Vector180 /**< Hash and Rng. */ +#if defined(STM32F4XX) || defined(__DOXYGEN__) +#define FPU_IRQHandler Vector184 /**< Floating Point Unit. */ +#endif +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief Disables the PWR/RCC initialization in the HAL. + */ +#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__) +#define STM32_NO_INIT FALSE +#endif + +/** + * @brief Enables or disables the programmable voltage detector. + */ +#if !defined(STM32_PVD_ENABLE) || defined(__DOXYGEN__) +#define STM32_PVD_ENABLE FALSE +#endif + +/** + * @brief Sets voltage level for programmable voltage detector. + */ +#if !defined(STM32_PLS) || defined(__DOXYGEN__) +#define STM32_PLS STM32_PLS_LEV0 +#endif + +/** + * @brief Enables or disables the HSI clock source. + */ +#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__) +#define STM32_HSI_ENABLED TRUE +#endif + +/** + * @brief Enables or disables the LSI clock source. + */ +#if !defined(STM32_LSI_ENABLED) || defined(__DOXYGEN__) +#define STM32_LSI_ENABLED FALSE +#endif + +/** + * @brief Enables or disables the HSE clock source. + */ +#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__) +#define STM32_HSE_ENABLED TRUE +#endif + +/** + * @brief Enables or disables the LSE clock source. + */ +#if !defined(STM32_LSE_ENABLED) || defined(__DOXYGEN__) +#define STM32_LSE_ENABLED FALSE +#endif + +/** + * @brief USB/SDIO clock setting. + */ +#if !defined(STM32_CLOCK48_REQUIRED) || defined(__DOXYGEN__) +#define STM32_CLOCK48_REQUIRED TRUE +#endif + +/** + * @brief Main clock source selection. + * @note If the selected clock source is not the PLL then the PLL is not + * initialized and started. + * @note The default value is calculated for a 168MHz system clock from + * an external 8MHz HSE clock. + */ +#if !defined(STM32_SW) || defined(__DOXYGEN__) +#define STM32_SW STM32_SW_PLL +#endif + +#if defined(STM32F4XX) || defined(__DOXYGEN__) +/** + * @brief Core voltage selection. + * @note This setting affects all the performance and clock related + * settings, the maximum performance is only obtainable selecting + * the maximum voltage. + */ +#if !defined(STM32_VOS) || defined(__DOXYGEN__) +#define STM32_VOS STM32_VOS_HIGH +#endif + +/** + * @brief Clock source for the PLLs. + * @note This setting has only effect if the PLL is selected as the + * system clock source. + * @note The default value is calculated for a 168MHz system clock from + * an external 8MHz HSE clock. + */ +#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__) +#define STM32_PLLSRC STM32_PLLSRC_HSE +#endif + +/** + * @brief PLLM divider value. + * @note The allowed values are 2..63. + * @note The default value is calculated for a 168MHz system clock from + * an external 8MHz HSE clock. + */ +#if !defined(STM32_PLLM_VALUE) || defined(__DOXYGEN__) +#define STM32_PLLM_VALUE 8 +#endif + +/** + * @brief PLLN multiplier value. + * @note The allowed values are 192..432. + * @note The default value is calculated for a 168MHz system clock from + * an external 8MHz HSE clock. + */ +#if !defined(STM32_PLLN_VALUE) || defined(__DOXYGEN__) +#define STM32_PLLN_VALUE 336 +#endif + +/** + * @brief PLLP divider value. + * @note The allowed values are 2, 4, 6, 8. + * @note The default value is calculated for a 168MHz system clock from + * an external 8MHz HSE clock. + */ +#if !defined(STM32_PLLP_VALUE) || defined(__DOXYGEN__) +#define STM32_PLLP_VALUE 2 +#endif + +/** + * @brief PLLQ multiplier value. + * @note The allowed values are 2..15. + * @note The default value is calculated for a 168MHz system clock from + * an external 8MHz HSE clock. + */ +#if !defined(STM32_PLLQ_VALUE) || defined(__DOXYGEN__) +#define STM32_PLLQ_VALUE 7 +#endif + +#else /* !defined(STM32F4XX) */ +/** + * @brief Clock source for the PLLs. + * @note This setting has only effect if the PLL is selected as the + * system clock source. + * @note The default value is calculated for a 120MHz system clock from + * an external 8MHz HSE clock. + */ +#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__) +#define STM32_PLLSRC STM32_PLLSRC_HSE +#endif + +/** + * @brief PLLM divider value. + * @note The allowed values are 2..63. + * @note The default value is calculated for a 120MHz system clock from + * an external 8MHz HSE clock. + */ +#if !defined(STM32_PLLM_VALUE) || defined(__DOXYGEN__) +#define STM32_PLLM_VALUE 8 +#endif + +/** + * @brief PLLN multiplier value. + * @note The allowed values are 192..432. + * @note The default value is calculated for a 120MHz system clock from + * an external 8MHz HSE clock. + */ +#if !defined(STM32_PLLN_VALUE) || defined(__DOXYGEN__) +#define STM32_PLLN_VALUE 240 +#endif + +/** + * @brief PLLP divider value. + * @note The allowed values are 2, 4, 6, 8. + * @note The default value is calculated for a 120MHz system clock from + * an external 8MHz HSE clock. + */ +#if !defined(STM32_PLLP_VALUE) || defined(__DOXYGEN__) +#define STM32_PLLP_VALUE 2 +#endif + +/** + * @brief PLLQ multiplier value. + * @note The allowed values are 2..15. + * @note The default value is calculated for a 120MHz system clock from + * an external 8MHz HSE clock. + */ +#if !defined(STM32_PLLQ_VALUE) || defined(__DOXYGEN__) +#define STM32_PLLQ_VALUE 5 +#endif +#endif /* !defined(STM32F4XX) */ + +/** + * @brief AHB prescaler value. + */ +#if !defined(STM32_HPRE) || defined(__DOXYGEN__) +#define STM32_HPRE STM32_HPRE_DIV1 +#endif + +/** + * @brief APB1 prescaler value. + */ +#if !defined(STM32_PPRE1) || defined(__DOXYGEN__) +#define STM32_PPRE1 STM32_PPRE1_DIV4 +#endif + +/** + * @brief APB2 prescaler value. + */ +#if !defined(STM32_PPRE2) || defined(__DOXYGEN__) +#define STM32_PPRE2 STM32_PPRE2_DIV2 +#endif + +/** + * @brief RTC clock source. + */ +#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__) +#define STM32_RTCSEL STM32_RTCSEL_LSE +#endif + +/** + * @brief RTC HSE prescaler value. + */ +#if !defined(STM32_RTCPRE_VALUE) || defined(__DOXYGEN__) +#define STM32_RTCPRE_VALUE 8 +#endif + +/** + * @brief MC01 clock source value. + * @note The default value outputs HSI clock on MC01 pin. + */ +#if !defined(STM32_MCO1SEL) || defined(__DOXYGEN__) +#define STM32_MCO1SEL STM32_MCO1SEL_HSI +#endif + +/** + * @brief MC01 prescaler value. + * @note The default value outputs HSI clock on MC01 pin. + */ +#if !defined(STM32_MCO1PRE) || defined(__DOXYGEN__) +#define STM32_MCO1PRE STM32_MCO1PRE_DIV1 +#endif + +/** + * @brief MC02 clock source value. + * @note The default value outputs SYSCLK / 5 on MC02 pin. + */ +#if !defined(STM32_MCO2SEL) || defined(__DOXYGEN__) +#define STM32_MCO2SEL STM32_MCO2SEL_SYSCLK +#endif + +/** + * @brief MC02 prescaler value. + * @note The default value outputs SYSCLK / 5 on MC02 pin. + */ +#if !defined(STM32_MCO2PRE) || defined(__DOXYGEN__) +#define STM32_MCO2PRE STM32_MCO2PRE_DIV5 +#endif + +/** + * @brief I2S clock source. + */ +#if !defined(STM32_I2SSRC) || defined(__DOXYGEN__) +#define STM32_I2SSRC STM32_I2SSRC_CKIN +#endif + +/** + * @brief PLLI2SN multiplier value. + * @note The allowed values are 192..432. + */ +#if !defined(STM32_PLLI2SN_VALUE) || defined(__DOXYGEN__) +#define STM32_PLLI2SN_VALUE 192 +#endif + +/** + * @brief PLLI2SR multiplier value. + * @note The allowed values are 2..7. + */ +#if !defined(STM32_PLLI2SR_VALUE) || defined(__DOXYGEN__) +#define STM32_PLLI2SR_VALUE 5 +#endif +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +#if defined(STM32F4XX) || defined(__DOXYGEN__) +/* + * Configuration-related checks. + */ +#if !defined(STM32F4xx_MCUCONF) +#error "Using a wrong mcuconf.h file, STM32F4xx_MCUCONF not defined" +#endif + +/** + * @brief Maximum SYSCLK. + * @note It is a function of the core voltage setting. + */ +#if (STM32_VOS == STM32_VOS_HIGH) || defined(__DOXYGEN__) +#define STM32_SYSCLK_MAX 168000000 +#else +#define STM32_SYSCLK_MAX 144000000 +#endif + +#else /* !defined(STM32F4XX) */ +/* + * Configuration-related checks. + */ +#if !defined(STM32F2xx_MCUCONF) +#error "Using a wrong mcuconf.h file, STM32F2xx_MCUCONF not defined" +#endif +#endif /* !defined(STM32F4XX) */ + +/** + * @brief Maximum frequency thresholds and wait states for flash access. + * @note The values are valid for 2.7V to 3.6V supply range. + */ +#if defined(STM32F4XX) || defined(__DOXYGEN__) +#if ((STM32_VDD >= 270) && (STM32_VDD <= 360)) || defined(__DOXYGEN__) +#define STM32_0WS_THRESHOLD 30000000 +#define STM32_1WS_THRESHOLD 60000000 +#define STM32_2WS_THRESHOLD 90000000 +#define STM32_3WS_THRESHOLD 120000000 +#define STM32_4WS_THRESHOLD 150000000 +#define STM32_5WS_THRESHOLD 168000000 +#define STM32_6WS_THRESHOLD 0 +#define STM32_7WS_THRESHOLD 0 +#elif (STM32_VDD >= 240) && (STM32_VDD < 270) +#define STM32_0WS_THRESHOLD 24000000 +#define STM32_1WS_THRESHOLD 48000000 +#define STM32_2WS_THRESHOLD 72000000 +#define STM32_3WS_THRESHOLD 96000000 +#define STM32_4WS_THRESHOLD 120000000 +#define STM32_5WS_THRESHOLD 144000000 +#define STM32_6WS_THRESHOLD 168000000 +#define STM32_7WS_THRESHOLD 0 +#elif (STM32_VDD >= 210) && (STM32_VDD < 240) +#define STM32_0WS_THRESHOLD 18000000 +#define STM32_1WS_THRESHOLD 36000000 +#define STM32_2WS_THRESHOLD 54000000 +#define STM32_3WS_THRESHOLD 72000000 +#define STM32_4WS_THRESHOLD 90000000 +#define STM32_5WS_THRESHOLD 108000000 +#define STM32_6WS_THRESHOLD 120000000 +#define STM32_7WS_THRESHOLD 138000000 +#elif (STM32_VDD >= 180) && (STM32_VDD < 210) +#define STM32_0WS_THRESHOLD 16000000 +#define STM32_1WS_THRESHOLD 32000000 +#define STM32_2WS_THRESHOLD 48000000 +#define STM32_3WS_THRESHOLD 64000000 +#define STM32_4WS_THRESHOLD 80000000 +#define STM32_5WS_THRESHOLD 96000000 +#define STM32_6WS_THRESHOLD 112000000 +#define STM32_7WS_THRESHOLD 128000000 +#else +#error "invalid VDD voltage specified" +#endif + +#else /* !defined(STM32F4XX) */ +#if ((STM32_VDD >= 270) && (STM32_VDD <= 360)) || defined(__DOXYGEN__) +#define STM32_0WS_THRESHOLD 30000000 +#define STM32_1WS_THRESHOLD 60000000 +#define STM32_2WS_THRESHOLD 90000000 +#define STM32_3WS_THRESHOLD 120000000 +#define STM32_4WS_THRESHOLD 0 +#define STM32_5WS_THRESHOLD 0 +#define STM32_6WS_THRESHOLD 0 +#define STM32_7WS_THRESHOLD 0 +#elif (STM32_VDD >= 240) && (STM32_VDD < 270) +#define STM32_0WS_THRESHOLD 24000000 +#define STM32_1WS_THRESHOLD 48000000 +#define STM32_2WS_THRESHOLD 72000000 +#define STM32_3WS_THRESHOLD 96000000 +#define STM32_4WS_THRESHOLD 120000000 +#define STM32_5WS_THRESHOLD 0 +#define STM32_6WS_THRESHOLD 0 +#define STM32_7WS_THRESHOLD 0 +#elif (STM32_VDD >= 210) && (STM32_VDD < 240) +#define STM32_0WS_THRESHOLD 18000000 +#define STM32_1WS_THRESHOLD 36000000 +#define STM32_2WS_THRESHOLD 54000000 +#define STM32_3WS_THRESHOLD 72000000 +#define STM32_4WS_THRESHOLD 90000000 +#define STM32_5WS_THRESHOLD 108000000 +#define STM32_6WS_THRESHOLD 120000000 +#define STM32_7WS_THRESHOLD 0 +#elif (STM32_VDD >= 180) && (STM32_VDD < 210) +#define STM32_0WS_THRESHOLD 16000000 +#define STM32_1WS_THRESHOLD 32000000 +#define STM32_2WS_THRESHOLD 48000000 +#define STM32_3WS_THRESHOLD 64000000 +#define STM32_4WS_THRESHOLD 80000000 +#define STM32_5WS_THRESHOLD 96000000 +#define STM32_6WS_THRESHOLD 112000000 +#define STM32_7WS_THRESHOLD 120000000 +#else +#error "invalid VDD voltage specified" +#endif +#endif /* !defined(STM32F4XX) */ + +/* + * HSI related checks. + */ +#if STM32_HSI_ENABLED +#else /* !STM32_HSI_ENABLED */ + +#if STM32_SW == STM32_SW_HSI +#error "HSI not enabled, required by STM32_SW" +#endif + +#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI) +#error "HSI not enabled, required by STM32_SW and STM32_PLLSRC" +#endif + +#if (STM32_MCO1SEL == STM32_MCO1SEL_HSI) || \ + ((STM32_MCO1SEL == STM32_MCO1SEL_PLL) && \ + (STM32_PLLSRC == STM32_PLLSRC_HSI)) +#error "HSI not enabled, required by STM32_MCO1SEL" +#endif + +#if (STM32_MCO2SEL == STM32_MCO2SEL_HSI) || \ + ((STM32_MCO2SEL == STM32_MCO2SEL_PLL) && \ + (STM32_PLLSRC == STM32_PLLSRC_HSI)) +#error "HSI not enabled, required by STM32_MCO2SEL" +#endif + +#if (STM32_I2SSRC == STM32_I2SSRC_PLLI2S) && \ + (STM32_PLLSRC == STM32_PLLSRC_HSI) +#error "HSI not enabled, required by STM32_I2SSRC" +#endif + +#endif /* !STM32_HSI_ENABLED */ + +/* + * HSE related checks. + */ +#if STM32_HSE_ENABLED + +#if STM32_HSECLK == 0 +#error "HSE frequency not defined" +#elif (STM32_HSECLK < STM32_HSECLK_MIN) || (STM32_HSECLK > STM32_HSECLK_MAX) +#error "STM32_HSECLK outside acceptable range (STM32_HSECLK_MIN...STM32_HSECLK_MAX)" +#endif + +#else /* !STM32_HSE_ENABLED */ + +#if STM32_SW == STM32_SW_HSE +#error "HSE not enabled, required by STM32_SW" +#endif + +#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSE) +#error "HSE not enabled, required by STM32_SW and STM32_PLLSRC" +#endif + +#if (STM32_MCO1SEL == STM32_MCO1SEL_HSE) || \ + ((STM32_MCO1SEL == STM32_MCO1SEL_PLL) && \ + (STM32_PLLSRC == STM32_PLLSRC_HSE)) +#error "HSE not enabled, required by STM32_MCO1SEL" +#endif + +#if (STM32_MCO2SEL == STM32_MCO2SEL_HSE) || \ + ((STM32_MCO2SEL == STM32_MCO2SEL_PLL) && \ + (STM32_PLLSRC == STM32_PLLSRC_HSE)) +#error "HSE not enabled, required by STM32_MCO2SEL" +#endif + +#if (STM32_I2SSRC == STM32_I2SSRC_PLLI2S) && \ + (STM32_PLLSRC == STM32_PLLSRC_HSE) +#error "HSE not enabled, required by STM32_I2SSRC" +#endif + +#if STM32_RTCSEL == STM32_RTCSEL_HSEDIV +#error "HSE not enabled, required by STM32_RTCSEL" +#endif + +#endif /* !STM32_HSE_ENABLED */ + +/* + * LSI related checks. + */ +#if STM32_LSI_ENABLED +#else /* !STM32_LSI_ENABLED */ + +#if STM32_RTCSEL == STM32_RTCSEL_LSI +#error "LSI not enabled, required by STM32_RTCSEL" +#endif + +#endif /* !STM32_LSI_ENABLED */ + +/* + * LSE related checks. + */ +#if STM32_LSE_ENABLED + +#if (STM32_LSECLK == 0) +#error "LSE frequency not defined" +#endif + +#if (STM32_LSECLK < STM32_LSECLK_MIN) || (STM32_LSECLK > STM32_LSECLK_MAX) +#error "STM32_LSECLK outside acceptable range (STM32_LSECLK_MIN...STM32_LSECLK_MAX)" +#endif + +#else /* !STM32_LSE_ENABLED */ + +#if STM32_RTCSEL == STM32_RTCSEL_LSE +#error "LSE not enabled, required by STM32_RTCSEL" +#endif + +#endif /* !STM32_LSE_ENABLED */ + +/** + * @brief STM32_PLLM field. + */ +#if ((STM32_PLLM_VALUE >= 2) && (STM32_PLLM_VALUE <= 63)) || \ + defined(__DOXYGEN__) +#define STM32_PLLM (STM32_PLLM_VALUE << 0) +#else +#error "invalid STM32_PLLM_VALUE value specified" +#endif + +/** + * @brief PLLs input clock frequency. + */ +#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__) +#define STM32_PLLCLKIN (STM32_HSECLK / STM32_PLLM_VALUE) +#elif STM32_PLLSRC == STM32_PLLSRC_HSI +#define STM32_PLLCLKIN (STM32_HSICLK / STM32_PLLM_VALUE) +#else +#error "invalid STM32_PLLSRC value specified" +#endif + +/* + * PLLs input frequency range check. + */ +#if (STM32_PLLCLKIN < STM32_PLLIN_MIN) || (STM32_PLLCLKIN > STM32_PLLIN_MAX) +#error "STM32_PLLCLKIN outside acceptable range (STM32_PLLIN_MIN...STM32_PLLIN_MAX)" +#endif + +/* + * PLL enable check. + */ +#if STM32_CLOCK48_REQUIRED || \ + (STM32_SW == STM32_SW_PLL) || \ + (STM32_MCO1SEL == STM32_MCO1SEL_PLL) || \ + (STM32_MCO2SEL == STM32_MCO2SEL_PLL) || \ + defined(__DOXYGEN__) +/** + * @brief PLL activation flag. + */ +#define STM32_ACTIVATE_PLL TRUE +#else +#define STM32_ACTIVATE_PLL FALSE +#endif + +/** + * @brief STM32_PLLN field. + */ +#if ((STM32_PLLN_VALUE >= 64) && (STM32_PLLN_VALUE <= 432)) || \ + defined(__DOXYGEN__) +#define STM32_PLLN (STM32_PLLN_VALUE << 6) +#else +#error "invalid STM32_PLLN_VALUE value specified" +#endif + +/** + * @brief STM32_PLLP field. + */ +#if (STM32_PLLP_VALUE == 2) || defined(__DOXYGEN__) +#define STM32_PLLP (0 << 16) +#elif STM32_PLLP_VALUE == 4 +#define STM32_PLLP (1 << 16) +#elif STM32_PLLP_VALUE == 6 +#define STM32_PLLP (2 << 16) +#elif STM32_PLLP_VALUE == 8 +#define STM32_PLLP (3 << 16) +#else +#error "invalid STM32_PLLP_VALUE value specified" +#endif + +/** + * @brief STM32_PLLQ field. + */ +#if ((STM32_PLLQ_VALUE >= 2) && (STM32_PLLQ_VALUE <= 15)) || \ + defined(__DOXYGEN__) +#define STM32_PLLQ (STM32_PLLQ_VALUE << 24) +#else +#error "invalid STM32_PLLQ_VALUE value specified" +#endif + +/** + * @brief PLL VCO frequency. + */ +#define STM32_PLLVCO (STM32_PLLCLKIN * STM32_PLLN_VALUE) + +/* + * PLL VCO frequency range check. + */ +#if (STM32_PLLVCO < STM32_PLLVCO_MIN) || (STM32_PLLVCO > STM32_PLLVCO_MAX) +#error "STM32_PLLVCO outside acceptable range (STM32_PLLVCO_MIN...STM32_PLLVCO_MAX)" +#endif + +/** + * @brief PLL output clock frequency. + */ +#define STM32_PLLCLKOUT (STM32_PLLVCO / STM32_PLLP_VALUE) + +/* + * PLL output frequency range check. + */ +#if (STM32_PLLCLKOUT < STM32_PLLOUT_MIN) || (STM32_PLLCLKOUT > STM32_PLLOUT_MAX) +#error "STM32_PLLCLKOUT outside acceptable range (STM32_PLLOUT_MIN...STM32_PLLOUT_MAX)" +#endif + +/** + * @brief System clock source. + */ +#if STM32_NO_INIT || defined(__DOXYGEN__) +#define STM32_SYSCLK STM32_HSICLK +#elif (STM32_SW == STM32_SW_HSI) +#define STM32_SYSCLK STM32_HSICLK +#elif (STM32_SW == STM32_SW_HSE) +#define STM32_SYSCLK STM32_HSECLK +#elif (STM32_SW == STM32_SW_PLL) +#define STM32_SYSCLK STM32_PLLCLKOUT +#else +#error "invalid STM32_SW value specified" +#endif + +/* Check on the system clock.*/ +#if STM32_SYSCLK > STM32_SYSCLK_MAX +#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)" +#endif + +/** + * @brief AHB frequency. + */ +#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__) +#define STM32_HCLK (STM32_SYSCLK / 1) +#elif STM32_HPRE == STM32_HPRE_DIV2 +#define STM32_HCLK (STM32_SYSCLK / 2) +#elif STM32_HPRE == STM32_HPRE_DIV4 +#define STM32_HCLK (STM32_SYSCLK / 4) +#elif STM32_HPRE == STM32_HPRE_DIV8 +#define STM32_HCLK (STM32_SYSCLK / 8) +#elif STM32_HPRE == STM32_HPRE_DIV16 +#define STM32_HCLK (STM32_SYSCLK / 16) +#elif STM32_HPRE == STM32_HPRE_DIV64 +#define STM32_HCLK (STM32_SYSCLK / 64) +#elif STM32_HPRE == STM32_HPRE_DIV128 +#define STM32_HCLK (STM32_SYSCLK / 128) +#elif STM32_HPRE == STM32_HPRE_DIV256 +#define STM32_HCLK (STM32_SYSCLK / 256) +#elif STM32_HPRE == STM32_HPRE_DIV512 +#define STM32_HCLK (STM32_SYSCLK / 512) +#else +#error "invalid STM32_HPRE value specified" +#endif + +/* + * AHB frequency check. + */ +#if STM32_HCLK > STM32_SYSCLK_MAX +#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)" +#endif + +/** + * @brief APB1 frequency. + */ +#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__) +#define STM32_PCLK1 (STM32_HCLK / 1) +#elif STM32_PPRE1 == STM32_PPRE1_DIV2 +#define STM32_PCLK1 (STM32_HCLK / 2) +#elif STM32_PPRE1 == STM32_PPRE1_DIV4 +#define STM32_PCLK1 (STM32_HCLK / 4) +#elif STM32_PPRE1 == STM32_PPRE1_DIV8 +#define STM32_PCLK1 (STM32_HCLK / 8) +#elif STM32_PPRE1 == STM32_PPRE1_DIV16 +#define STM32_PCLK1 (STM32_HCLK / 16) +#else +#error "invalid STM32_PPRE1 value specified" +#endif + +/* + * APB1 frequency check. + */ +#if STM32_PCLK1 > STM32_PCLK1_MAX +#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)" +#endif + +/** + * @brief APB2 frequency. + */ +#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__) +#define STM32_PCLK2 (STM32_HCLK / 1) +#elif STM32_PPRE2 == STM32_PPRE2_DIV2 +#define STM32_PCLK2 (STM32_HCLK / 2) +#elif STM32_PPRE2 == STM32_PPRE2_DIV4 +#define STM32_PCLK2 (STM32_HCLK / 4) +#elif STM32_PPRE2 == STM32_PPRE2_DIV8 +#define STM32_PCLK2 (STM32_HCLK / 8) +#elif STM32_PPRE2 == STM32_PPRE2_DIV16 +#define STM32_PCLK2 (STM32_HCLK / 16) +#else +#error "invalid STM32_PPRE2 value specified" +#endif + +/* + * APB2 frequency check. + */ +#if STM32_PCLK2 > STM32_PCLK2_MAX +#error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)" +#endif + +/* + * PLLI2S enable check. + */ +#if (STM32_I2SSRC == STM32_I2SSRC_PLLI2S) || defined(__DOXYGEN__) +/** + * @brief PLL activation flag. + */ +#define STM32_ACTIVATE_PLLI2S TRUE +#else +#define STM32_ACTIVATE_PLLI2S FALSE +#endif + +/** + * @brief STM32_PLLI2SN field. + */ +#if ((STM32_PLLI2SN_VALUE >= 192) && (STM32_PLLI2SN_VALUE <= 432)) || \ + defined(__DOXYGEN__) +#define STM32_PLLI2SN (STM32_PLLI2SN_VALUE << 6) +#else +#error "invalid STM32_PLLI2SN_VALUE value specified" +#endif + +/** + * @brief STM32_PLLI2SR field. + */ +#if ((STM32_PLLI2SR_VALUE >= 2) && (STM32_PLLI2SR_VALUE <= 7)) || \ + defined(__DOXYGEN__) +#define STM32_PLLI2SR (STM32_PLLI2SR_VALUE << 28) +#else +#error "invalid STM32_PLLI2SR_VALUE value specified" +#endif + +/** + * @brief PLL VCO frequency. + */ +#define STM32_PLLI2SVCO (STM32_PLLCLKIN * STM32_PLLI2SN_VALUE) + +/* + * PLLI2S VCO frequency range check. + */ +#if (STM32_PLLI2SVCO < STM32_PLLVCO_MIN) || \ + (STM32_PLLI2SVCO > STM32_PLLVCO_MAX) +#error "STM32_PLLI2SVCO outside acceptable range (STM32_PLLVCO_MIN...STM32_PLLVCO_MAX)" +#endif + +/** + * @brief PLLI2S output clock frequency. + */ +#define STM32_PLLI2SCLKOUT (STM32_PLLI2SVCO / STM32_PLLI2SR_VALUE) + +/** + * @brief MCO1 divider clock. + */ +#if (STM32_MCO1SEL == STM32_MCO1SEL_HSI) || defined(__DOXYGEN__) +#define STM32_MCO1DIVCLK STM32_HSICLK +#elif STM32_MCO1SEL == STM32_MCO1SEL_LSE +#define STM32_MCO1DIVCLK STM32_LSECLK +#elif STM32_MCO1SEL == STM32_MCO1SEL_HSE +#define STM32_MCO1DIVCLK STM32_HSECLK +#elif STM32_MCO1SEL == STM32_MCO1SEL_PLL +#define STM32_MCO1DIVCLK STM32_PLLCLKOUT +#else +#error "invalid STM32_MCO1SEL value specified" +#endif + +/** + * @brief MCO1 output pin clock. + */ +#if (STM32_MCO1PRE == STM32_MCO1PRE_DIV1) || defined(__DOXYGEN__) +#define STM32_MCO1CLK STM32_MCO1DIVCLK +#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV2 +#define STM32_MCO1CLK (STM32_MCO1DIVCLK / 2) +#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV3 +#define STM32_MCO1CLK (STM32_MCO1DIVCLK / 3) +#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV4 +#define STM32_MCO1CLK (STM32_MCO1DIVCLK / 4) +#elif STM32_MCO1PRE == STM32_MCO1PRE_DIV5 +#define STM32_MCO1CLK (STM32_MCO1DIVCLK / 5) +#else +#error "invalid STM32_MCO1PRE value specified" +#endif + +/** + * @brief MCO2 divider clock. + */ +#if (STM32_MCO2SEL == STM32_MCO2SEL_HSE) || defined(__DOXYGEN__) +#define STM32_MCO2DIVCLK STM32_HSECLK +#elif STM32_MCO2SEL == STM32_MCO2SEL_PLL +#define STM32_MCO2DIVCLK STM32_PLLCLKOUT +#elif STM32_MCO2SEL == STM32_MCO2SEL_SYSCLK +#define STM32_MCO2DIVCLK STM32_SYSCLK +#elif STM32_MCO2SEL == STM32_MCO2SEL_PLLI2S +#define STM32_MCO2DIVCLK STM32_PLLI2S +#else +#error "invalid STM32_MCO2SEL value specified" +#endif + +/** + * @brief MCO2 output pin clock. + */ +#if (STM32_MCO2PRE == STM32_MCO2PRE_DIV1) || defined(__DOXYGEN__) +#define STM32_MCO2CLK STM32_MCO2DIVCLK +#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV2 +#define STM32_MCO2CLK (STM32_MCO2DIVCLK / 2) +#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV3 +#define STM32_MCO2CLK (STM32_MCO2DIVCLK / 3) +#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV4 +#define STM32_MCO2CLK (STM32_MCO2DIVCLK / 4) +#elif STM32_MCO2PRE == STM32_MCO2PRE_DIV5 +#define STM32_MCO2CLK (STM32_MCO2DIVCLK / 5) +#else +#error "invalid STM32_MCO2PRE value specified" +#endif + +/** + * @brief RTC HSE divider setting. + */ +#if ((STM32_RTCPRE_VALUE >= 2) && (STM32_RTCPRE_VALUE <= 31)) || \ + defined(__DOXYGEN__) +#define STM32_RTCPRE (STM32_RTCPRE_VALUE << 16) +#else +#error "invalid STM32_RTCPRE value specified" +#endif + +/** + * @brief HSE divider toward RTC clock. + */ +#if ((STM32_RTCPRE_VALUE >= 2) && (STM32_RTCPRE_VALUE <= 31)) || \ + defined(__DOXYGEN__) +#define STM32_HSEDIVCLK (STM32_HSECLK / STM32_RTCPRE_VALUE) +#else +#error "invalid STM32_RTCPRE value specified" +#endif + +/** + * @brief RTC clock. + */ +#if (STM32_RTCSEL == STM32_RTCSEL_NOCLOCK) || defined(__DOXYGEN__) +#define STM32_RTCCLK 0 +#elif STM32_RTCSEL == STM32_RTCSEL_LSE +#define STM32_RTCCLK STM32_LSECLK +#elif STM32_RTCSEL == STM32_RTCSEL_LSI +#define STM32_RTCCLK STM32_LSICLK +#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV +#define STM32_RTCCLK STM32_HSEDIVCLK +#else +#error "invalid STM32_RTCSEL value specified" +#endif + +/** + * @brief 48MHz frequency. + */ +#if STM32_CLOCK48_REQUIRED || defined(__DOXYGEN__) +#define STM32_PLL48CLK (STM32_PLLVCO / STM32_PLLQ_VALUE) +#else +#define STM32_PLL48CLK 0 +#endif + +/** + * @brief Timers 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14 clock. + */ +#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__) +#define STM32_TIMCLK1 (STM32_PCLK1 * 1) +#else +#define STM32_TIMCLK1 (STM32_PCLK1 * 2) +#endif + +/** + * @brief Timers 1, 8 clock. + */ +#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__) +#define STM32_TIMCLK2 (STM32_PCLK2 * 1) +#else +#define STM32_TIMCLK2 (STM32_PCLK2 * 2) +#endif + +/** + * @brief Flash settings. + */ +#if (STM32_HCLK <= STM32_0WS_THRESHOLD) || defined(__DOXYGEN__) +#define STM32_FLASHBITS 0x00000000 +#elif STM32_HCLK <= STM32_1WS_THRESHOLD +#define STM32_FLASHBITS 0x00000001 +#elif STM32_HCLK <= STM32_2WS_THRESHOLD +#define STM32_FLASHBITS 0x00000002 +#elif STM32_HCLK <= STM32_3WS_THRESHOLD +#define STM32_FLASHBITS 0x00000003 +#elif STM32_HCLK <= STM32_4WS_THRESHOLD +#define STM32_FLASHBITS 0x00000004 +#elif STM32_HCLK <= STM32_5WS_THRESHOLD +#define STM32_FLASHBITS 0x00000005 +#elif STM32_HCLK <= STM32_6WS_THRESHOLD +#define STM32_FLASHBITS 0x00000006 +#else +#define STM32_FLASHBITS 0x00000007 +#endif + +/* There are differences in vector names in the various sub-families, + normalizing.*/ +#define TIM1_BRK_IRQn TIM1_BRK_TIM9_IRQn +#define TIM1_UP_IRQn TIM1_UP_TIM10_IRQn +#define TIM1_TRG_COM_IRQn TIM1_TRG_COM_TIM11_IRQn +#define TIM8_BRK_IRQn TIM8_BRK_TIM12_IRQn +#define TIM8_UP_IRQn TIM8_UP_TIM13_IRQn +#define TIM8_TRG_COM_IRQn TIM8_TRG_COM_TIM14_IRQn + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief Type representing a system clock frequency. + */ +typedef uint32_t halclock_t; + +/** + * @brief Type of the realtime free counter value. + */ +typedef uint32_t halrtcnt_t; + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @brief Returns the current value of the system free running counter. + * @note This service is implemented by returning the content of the + * DWT_CYCCNT register. + * + * @return The value of the system free running counter of + * type halrtcnt_t. + * + * @notapi + */ +#define hal_lld_get_counter_value() DWT_CYCCNT + +/** + * @brief Realtime counter frequency. + * @note The DWT_CYCCNT register is incremented directly by the system + * clock so this function returns STM32_HCLK. + * + * @return The realtime counter frequency of type halclock_t. + * + * @notapi + */ +#define hal_lld_get_counter_frequency() STM32_HCLK + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +/* STM32 ISR, DMA and RCC helpers.*/ +#include "stm32_isr.h" +#include "stm32_dma.h" +#include "stm32_rcc.h" + +#ifdef __cplusplus +extern "C" { +#endif + void hal_lld_init(void); + void stm32_clock_init(void); +#ifdef __cplusplus +} +#endif + +#endif /* _HAL_LLD_H_ */ + +/** @} */ diff --git a/os/hal/platforms/STM32F4xx/platform.mk b/os/hal/platforms/STM32F4xx/platform.mk new file mode 100644 index 000000000..99c3263a7 --- /dev/null +++ b/os/hal/platforms/STM32F4xx/platform.mk @@ -0,0 +1,30 @@ +# List of all the STM32F2xx/STM32F4xx platform files. +PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/STM32F4xx/stm32_dma.c \ + ${CHIBIOS}/os/hal/platforms/STM32F4xx/hal_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32F4xx/adc_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32F4xx/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/mac_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/sdc_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/GPIOv2/pal_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/I2Cv1/i2c_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/OTGv1/usb_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/RTCv2/rtc_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/SPIv1/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/USARTv1/serial_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/USARTv1/uart_lld.c + +# Required include directories +PLATFORMINC = ${CHIBIOS}/os/hal/platforms/STM32F4xx \ + ${CHIBIOS}/os/hal/platforms/STM32 \ + ${CHIBIOS}/os/hal/platforms/STM32/GPIOv2 \ + ${CHIBIOS}/os/hal/platforms/STM32/I2Cv1 \ + ${CHIBIOS}/os/hal/platforms/STM32/OTGv1 \ + ${CHIBIOS}/os/hal/platforms/STM32/RTCv2 \ + ${CHIBIOS}/os/hal/platforms/STM32/SPIv1 \ + ${CHIBIOS}/os/hal/platforms/STM32/TIMv1 \ + ${CHIBIOS}/os/hal/platforms/STM32/USARTv1 diff --git a/os/hal/platforms/STM32F4xx/stm32_dma.c b/os/hal/platforms/STM32F4xx/stm32_dma.c new file mode 100644 index 000000000..6850901b2 --- /dev/null +++ b/os/hal/platforms/STM32F4xx/stm32_dma.c @@ -0,0 +1,527 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F4xx/stm32_dma.c + * @brief Enhanced DMA helper driver code. + * + * @addtogroup STM32F4xx_DMA + * @details DMA sharing helper driver. In the STM32 the DMA streams are a + * shared resource, this driver allows to allocate and free DMA + * streams at runtime in order to allow all the other device + * drivers to coordinate the access to the resource. + * @note The DMA ISR handlers are all declared into this module because + * sharing, the various device drivers can associate a callback to + * ISRs when allocating streams. + * @{ + */ + +#include "hal.h" + +/* The following macro is only defined if some driver requiring DMA services + has been enabled.*/ +#if defined(STM32_DMA_REQUIRED) || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/** + * @brief Mask of the DMA1 streams in @p dma_streams_mask. + */ +#define STM32_DMA1_STREAMS_MASK 0x000000FF + +/** + * @brief Mask of the DMA2 streams in @p dma_streams_mask. + */ +#define STM32_DMA2_STREAMS_MASK 0x0000FF00 + +/** + * @brief Post-reset value of the stream CR register. + */ +#define STM32_DMA_CR_RESET_VALUE 0x00000000 + +/** + * @brief Post-reset value of the stream FCR register. + */ +#define STM32_DMA_FCR_RESET_VALUE 0x00000021 + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/** + * @brief DMA streams descriptors. + * @details This table keeps the association between an unique stream + * identifier and the involved physical registers. + * @note Don't use this array directly, use the appropriate wrapper macros + * instead: @p STM32_DMA1_STREAM0, @p STM32_DMA1_STREAM1 etc. + */ +const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS] = { + {DMA1_Stream0, &DMA1->LIFCR, 0, 0, DMA1_Stream0_IRQn}, + {DMA1_Stream1, &DMA1->LIFCR, 6, 1, DMA1_Stream1_IRQn}, + {DMA1_Stream2, &DMA1->LIFCR, 16, 2, DMA1_Stream2_IRQn}, + {DMA1_Stream3, &DMA1->LIFCR, 22, 3, DMA1_Stream3_IRQn}, + {DMA1_Stream4, &DMA1->HIFCR, 0, 4, DMA1_Stream4_IRQn}, + {DMA1_Stream5, &DMA1->HIFCR, 6, 5, DMA1_Stream5_IRQn}, + {DMA1_Stream6, &DMA1->HIFCR, 16, 6, DMA1_Stream6_IRQn}, + {DMA1_Stream7, &DMA1->HIFCR, 22, 7, DMA1_Stream7_IRQn}, + {DMA2_Stream0, &DMA2->LIFCR, 0, 8, DMA2_Stream0_IRQn}, + {DMA2_Stream1, &DMA2->LIFCR, 6, 9, DMA2_Stream1_IRQn}, + {DMA2_Stream2, &DMA2->LIFCR, 16, 10, DMA2_Stream2_IRQn}, + {DMA2_Stream3, &DMA2->LIFCR, 22, 11, DMA2_Stream3_IRQn}, + {DMA2_Stream4, &DMA2->HIFCR, 0, 12, DMA2_Stream4_IRQn}, + {DMA2_Stream5, &DMA2->HIFCR, 6, 13, DMA2_Stream5_IRQn}, + {DMA2_Stream6, &DMA2->HIFCR, 16, 14, DMA2_Stream6_IRQn}, + {DMA2_Stream7, &DMA2->HIFCR, 22, 15, DMA2_Stream7_IRQn}, +}; + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/** + * @brief DMA ISR redirector type. + */ +typedef struct { + stm32_dmaisr_t dma_func; /**< @brief DMA callback function. */ + void *dma_param; /**< @brief DMA callback parameter. */ +} dma_isr_redir_t; + +/** + * @brief Mask of the allocated streams. + */ +static uint32_t dma_streams_mask; + +/** + * @brief DMA IRQ redirectors. + */ +static dma_isr_redir_t dma_isr_redir[STM32_DMA_STREAMS]; + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/** + * @brief DMA1 stream 0 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Stream0_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->LISR >> 0) & STM32_DMA_ISR_MASK; + DMA1->LIFCR = STM32_DMA_ISR_MASK << 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 1 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Stream1_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->LISR >> 6) & STM32_DMA_ISR_MASK; + DMA1->LIFCR = STM32_DMA_ISR_MASK << 6; + 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 2 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Stream2_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->LISR >> 16) & STM32_DMA_ISR_MASK; + DMA1->LIFCR = STM32_DMA_ISR_MASK << 16; + 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 3 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Stream3_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->LISR >> 22) & STM32_DMA_ISR_MASK; + DMA1->LIFCR = STM32_DMA_ISR_MASK << 22; + 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 4 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Stream4_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->HISR >> 0) & STM32_DMA_ISR_MASK; + DMA1->HIFCR = STM32_DMA_ISR_MASK << 0; + 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 5 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Stream5_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->HISR >> 6) & STM32_DMA_ISR_MASK; + DMA1->HIFCR = STM32_DMA_ISR_MASK << 6; + 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 6 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Stream6_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->HISR >> 16) & STM32_DMA_ISR_MASK; + DMA1->HIFCR = STM32_DMA_ISR_MASK << 16; + if (dma_isr_redir[6].dma_func) + dma_isr_redir[6].dma_func(dma_isr_redir[6].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA1 stream 7 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Stream7_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->HISR >> 22) & STM32_DMA_ISR_MASK; + DMA1->HIFCR = STM32_DMA_ISR_MASK << 22; + 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 0 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA2_Stream0_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA2->LISR >> 0) & STM32_DMA_ISR_MASK; + DMA2->LIFCR = STM32_DMA_ISR_MASK << 0; + 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 1 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA2_Stream1_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA2->LISR >> 6) & STM32_DMA_ISR_MASK; + DMA2->LIFCR = STM32_DMA_ISR_MASK << 6; + 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 2 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA2_Stream2_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA2->LISR >> 16) & STM32_DMA_ISR_MASK; + DMA2->LIFCR = STM32_DMA_ISR_MASK << 16; + 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 3 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA2_Stream3_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA2->LISR >> 22) & STM32_DMA_ISR_MASK; + DMA2->LIFCR = STM32_DMA_ISR_MASK << 22; + if (dma_isr_redir[11].dma_func) + dma_isr_redir[11].dma_func(dma_isr_redir[11].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA2 stream 4 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA2_Stream4_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA2->HISR >> 0) & STM32_DMA_ISR_MASK; + DMA2->HIFCR = STM32_DMA_ISR_MASK << 0; + if (dma_isr_redir[12].dma_func) + dma_isr_redir[12].dma_func(dma_isr_redir[12].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA2 stream 5 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA2_Stream5_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA2->HISR >> 6) & STM32_DMA_ISR_MASK; + DMA2->HIFCR = STM32_DMA_ISR_MASK << 6; + if (dma_isr_redir[13].dma_func) + dma_isr_redir[13].dma_func(dma_isr_redir[13].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA2 stream 6 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA2_Stream6_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA2->HISR >> 16) & STM32_DMA_ISR_MASK; + DMA2->HIFCR = STM32_DMA_ISR_MASK << 16; + if (dma_isr_redir[14].dma_func) + dma_isr_redir[14].dma_func(dma_isr_redir[14].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA2 stream 7 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA2_Stream7_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA2->HISR >> 22) & STM32_DMA_ISR_MASK; + DMA2->HIFCR = STM32_DMA_ISR_MASK << 22; + if (dma_isr_redir[15].dma_func) + dma_isr_redir[15].dma_func(dma_isr_redir[15].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].stream->CR = 0; + dma_isr_redir[i].dma_func = NULL; + } + DMA1->LIFCR = 0xFFFFFFFF; + DMA1->HIFCR = 0xFFFFFFFF; + DMA2->LIFCR = 0xFFFFFFFF; + DMA2->HIFCR = 0xFFFFFFFF; +} + +/** + * @brief Allocates a DMA stream. + * @details The stream is allocated and, if required, the DMA clock enabled. + * The function also enables the IRQ vector associated to the stream + * and initializes its priority. + * @pre The stream must not be already in use or an error is returned. + * @post The stream is allocated and the default ISR handler redirected + * to the specified function. + * @post The stream ISR vector is enabled and its priority configured. + * @post The stream must be freed using @p dmaStreamRelease() before it can + * be reused with another peripheral. + * @post The stream is in its post-reset state. + * @note This function can be invoked in both ISR or thread context. + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] priority IRQ priority mask for the DMA stream + * @param[in] func handling function pointer, can be @p NULL + * @param[in] param a parameter to be passed to the handling function + * @return The operation status. + * @retval FALSE no error, stream taken. + * @retval TRUE error, stream already taken. + * + * @special + */ +bool_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 ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) != 0) + rccEnableDMA2(FALSE); + + /* Putting the stream in a safe state.*/ + dmaStreamDisable(dmastp); + dmastp->stream->CR = STM32_DMA_CR_RESET_VALUE; + dmastp->stream->FCR = STM32_DMA_FCR_RESET_VALUE; + + /* Enables the associated IRQ vector if a callback is defined.*/ + if (func != NULL) + nvicEnableVector(dmastp->vector, 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 ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) == 0) + rccDisableDMA2(FALSE); +} + +#endif /* STM32_DMA_REQUIRED */ + +/** @} */ diff --git a/os/hal/platforms/STM32F4xx/stm32_dma.h b/os/hal/platforms/STM32F4xx/stm32_dma.h new file mode 100644 index 000000000..62b0fbd43 --- /dev/null +++ b/os/hal/platforms/STM32F4xx/stm32_dma.h @@ -0,0 +1,461 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F4xx/stm32_dma.h + * @brief Enhanced-DMA helper driver header. + * @note This file requires definitions from the ST STM32F4xx header file + * stm32f4xx.h. + * + * @addtogroup STM32F4xx_DMA + * @{ + */ + +#ifndef _STM32_DMA_H_ +#define _STM32_DMA_H_ + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @brief Total number of DMA streams. + * @note This is the total number of streams among all the DMA units. + */ +#define STM32_DMA_STREAMS 16 + +/** + * @brief Mask of the ISR bits passed to the DMA callback functions. + */ +#define STM32_DMA_ISR_MASK 0x3D + +/** + * @brief Returns the channel associated to the specified stream. + * + * @param[in] id the unique numeric stream identifier + * @param[in] c a stream/channel association word, one channel per + * nibble + * @return Returns the channel associated to the stream. + */ +#define STM32_DMA_GETCHANNEL(id, c) (((c) >> (((id) & 7) * 4)) & 7) + +/** + * @brief Checks if a DMA priority is within the valid range. + * @param[in] prio DMA priority + * + * @retval The check result. + * @retval FALSE invalid DMA priority. + * @retval TRUE correct DMA priority. + */ +#define STM32_DMA_IS_VALID_PRIORITY(prio) (((prio) >= 0) && ((prio) <= 3)) + +/** + * @brief Returns an unique numeric identifier for a DMA stream. + * + * @param[in] dma the DMA unit number + * @param[in] stream the stream number + * @return An unique numeric stream identifier. + */ +#define STM32_DMA_STREAM_ID(dma, stream) ((((dma) - 1) * 8) + (stream)) + +/** + * @brief Returns a DMA stream identifier mask. + * + * + * @param[in] dma the DMA unit number + * @param[in] stream the stream number + * @return A DMA stream identifier mask. + */ +#define STM32_DMA_STREAM_ID_MSK(dma, stream) \ + (1 << STM32_DMA_STREAM_ID(dma, stream)) + +/** + * @brief Checks if a DMA stream unique identifier belongs to a mask. + * @param[in] id the stream numeric identifier + * @param[in] mask the stream numeric identifiers mask + * + * @retval The check result. + * @retval FALSE id does not belong to the mask. + * @retval TRUE id belongs to the mask. + */ +#define STM32_DMA_IS_VALID_ID(id, mask) (((1 << (id)) & (mask))) + +/** + * @name DMA streams identifiers + * @{ + */ +/** + * @brief Returns a pointer to a stm32_dma_stream_t structure. + * + * @param[in] id the stream numeric identifier + * @return A pointer to the stm32_dma_stream_t constant structure + * associated to the DMA stream. + */ +#define STM32_DMA_STREAM(id) (&_stm32_dma_streams[id]) + +#define STM32_DMA1_STREAM0 STM32_DMA_STREAM(0) +#define STM32_DMA1_STREAM1 STM32_DMA_STREAM(1) +#define STM32_DMA1_STREAM2 STM32_DMA_STREAM(2) +#define STM32_DMA1_STREAM3 STM32_DMA_STREAM(3) +#define STM32_DMA1_STREAM4 STM32_DMA_STREAM(4) +#define STM32_DMA1_STREAM5 STM32_DMA_STREAM(5) +#define STM32_DMA1_STREAM6 STM32_DMA_STREAM(6) +#define STM32_DMA1_STREAM7 STM32_DMA_STREAM(7) +#define STM32_DMA2_STREAM0 STM32_DMA_STREAM(8) +#define STM32_DMA2_STREAM1 STM32_DMA_STREAM(9) +#define STM32_DMA2_STREAM2 STM32_DMA_STREAM(10) +#define STM32_DMA2_STREAM3 STM32_DMA_STREAM(11) +#define STM32_DMA2_STREAM4 STM32_DMA_STREAM(12) +#define STM32_DMA2_STREAM5 STM32_DMA_STREAM(13) +#define STM32_DMA2_STREAM6 STM32_DMA_STREAM(14) +#define STM32_DMA2_STREAM7 STM32_DMA_STREAM(15) +/** @} */ + +/** + * @name CR register constants common to all DMA types + * @{ + */ +#define STM32_DMA_CR_EN DMA_SxCR_EN +#define STM32_DMA_CR_TEIE DMA_SxCR_TEIE +#define STM32_DMA_CR_HTIE DMA_SxCR_HTIE +#define STM32_DMA_CR_TCIE DMA_SxCR_TCIE +#define STM32_DMA_CR_DIR_MASK DMA_SxCR_DIR +#define STM32_DMA_CR_DIR_P2M 0 +#define STM32_DMA_CR_DIR_M2P DMA_SxCR_DIR_0 +#define STM32_DMA_CR_DIR_M2M DMA_SxCR_DIR_1 +#define STM32_DMA_CR_CIRC DMA_SxCR_CIRC +#define STM32_DMA_CR_PINC DMA_SxCR_PINC +#define STM32_DMA_CR_MINC DMA_SxCR_MINC +#define STM32_DMA_CR_PSIZE_MASK DMA_SxCR_PSIZE +#define STM32_DMA_CR_PSIZE_BYTE 0 +#define STM32_DMA_CR_PSIZE_HWORD DMA_SxCR_PSIZE_0 +#define STM32_DMA_CR_PSIZE_WORD DMA_SxCR_PSIZE_1 +#define STM32_DMA_CR_MSIZE_MASK DMA_SxCR_MSIZE +#define STM32_DMA_CR_MSIZE_BYTE 0 +#define STM32_DMA_CR_MSIZE_HWORD DMA_SxCR_MSIZE_0 +#define STM32_DMA_CR_MSIZE_WORD DMA_SxCR_MSIZE_1 +#define STM32_DMA_CR_SIZE_MASK (STM32_DMA_CR_PSIZE_MASK | \ + STM32_DMA_CR_MSIZE_MASK) +#define STM32_DMA_CR_PL_MASK DMA_SxCR_PL +#define STM32_DMA_CR_PL(n) ((n) << 16) +/** @} */ + +/** + * @name CR register constants only found in STM32F2xx/STM32F4xx + * @{ + */ +#define STM32_DMA_CR_DMEIE DMA_SxCR_DMEIE +#define STM32_DMA_CR_PFCTRL DMA_SxCR_PFCTRL +#define STM32_DMA_CR_PINCOS DMA_SxCR_PINCOS +#define STM32_DMA_CR_DBM DMA_SxCR_DBM +#define STM32_DMA_CR_CT DMA_SxCR_CT +#define STM32_DMA_CR_PBURST_MASK DMA_SxCR_PBURST +#define STM32_DMA_CR_PBURST_SINGLE 0 +#define STM32_DMA_CR_PBURST_INCR4 DMA_SxCR_PBURST_0 +#define STM32_DMA_CR_PBURST_INCR8 DMA_SxCR_PBURST_1 +#define STM32_DMA_CR_PBURST_INCR16 (DMA_SxCR_PBURST_0 | DMA_SxCR_PBURST_1) +#define STM32_DMA_CR_MBURST_MASK DMA_SxCR_MBURST +#define STM32_DMA_CR_MBURST_SINGLE 0 +#define STM32_DMA_CR_MBURST_INCR4 DMA_SxCR_MBURST_0 +#define STM32_DMA_CR_MBURST_INCR8 DMA_SxCR_MBURST_1 +#define STM32_DMA_CR_MBURST_INCR16 (DMA_SxCR_MBURST_0 | DMA_SxCR_MBURST_1) +#define STM32_DMA_CR_CHSEL_MASK DMA_SxCR_CHSEL +#define STM32_DMA_CR_CHSEL(n) ((n) << 25) +/** @} */ + +/** + * @name FCR register constants only found in STM32F2xx/STM32F4xx + * @{ + */ +#define STM32_DMA_FCR_FEIE DMA_SxFCR_FEIE +#define STM32_DMA_FCR_FS_MASK DMA_SxFCR_FS +#define STM32_DMA_FCR_DMDIS DMA_SxFCR_DMDIS +#define STM32_DMA_FCR_FTH_MASK DMA_SxFCR_FTH +#define STM32_DMA_FCR_FTH_1Q 0 +#define STM32_DMA_FCR_FTH_HALF DMA_SxFCR_FTH_0 +#define STM32_DMA_FCR_FTH_3Q DMA_SxFCR_FTH_1 +#define STM32_DMA_FCR_FTH_FULL (DMA_SxFCR_FTH_0 | DMA_SxFCR_FTH_1) +/** @} */ + +/** + * @name Status flags passed to the ISR callbacks + */ +#define STM32_DMA_ISR_FEIF DMA_LISR_FEIF0 +#define STM32_DMA_ISR_DMEIF DMA_LISR_DMEIF0 +#define STM32_DMA_ISR_TEIF DMA_LISR_TEIF0 +#define STM32_DMA_ISR_HTIF DMA_LISR_HTIF0 +#define STM32_DMA_ISR_TCIF DMA_LISR_TCIF0 +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief STM32 DMA stream descriptor structure. + */ +typedef struct { + DMA_Stream_TypeDef *stream; /**< @brief Associated DMA stream. */ + volatile uint32_t *ifcr; /**< @brief Associated IFCR reg. */ + uint8_t ishift; /**< @brief Bits offset in xIFCR + register. */ + uint8_t selfindex; /**< @brief Index to self in array. */ + uint8_t vector; /**< @brief Associated IRQ vector. */ +} stm32_dma_stream_t; + +/** + * @brief STM32 DMA ISR function type. + * + * @param[in] p parameter for the registered function + * @param[in] flags pre-shifted content of the xISR register, the bits + * are aligned to bit zero + */ +typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags); + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @name Macro Functions + * @{ + */ +/** + * @brief Associates a peripheral data register to a DMA stream. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] addr value to be written in the PAR register + * + * @special + */ +#define dmaStreamSetPeripheral(dmastp, addr) { \ + (dmastp)->stream->PAR = (uint32_t)(addr); \ +} + +/** + * @brief Associates a memory destination to a DMA stream. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] addr value to be written in the M0AR register + * + * @special + */ +#define dmaStreamSetMemory0(dmastp, addr) { \ + (dmastp)->stream->M0AR = (uint32_t)(addr); \ +} + +/** + * @brief Associates an alternate memory destination to a DMA stream. + * @note This function can be invoked in both ISR or thread context. + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] addr value to be written in the M1AR register + * + * @special + */ +#define dmaStreamSetMemory1(dmastp, addr) { \ + (dmastp)->stream->M1AR = (uint32_t)(addr); \ +} + +/** + * @brief Sets the number of transfers to be performed. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] size value to be written in the CNDTR register + * + * @special + */ +#define dmaStreamSetTransactionSize(dmastp, size) { \ + (dmastp)->stream->NDTR = (uint32_t)(size); \ +} + +/** + * @brief Returns the number of transfers to be performed. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @return The number of transfers to be performed. + * + * @special + */ +#define dmaStreamGetTransactionSize(dmastp) ((size_t)((dmastp)->stream->NDTR)) + +/** + * @brief Programs the stream mode settings. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] mode value to be written in the CR register + * + * @special + */ +#define dmaStreamSetMode(dmastp, mode) { \ + (dmastp)->stream->CR = (uint32_t)(mode); \ +} + +/** + * @brief Programs the stream FIFO settings. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] mode value to be written in the FCR register + * + * @special + */ +#define dmaStreamSetFIFO(dmastp, mode) { \ + (dmastp)->stream->FCR = (uint32_t)(mode); \ +} + +/** + * @brief DMA stream enable. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * + * @special + */ +#define dmaStreamEnable(dmastp) { \ + (dmastp)->stream->CR |= STM32_DMA_CR_EN; \ +} + +/** + * @brief DMA stream disable. + * @details The function disables the specified stream, waits for the disable + * operation to complete and then clears any pending interrupt. + * @note This function can be invoked in both ISR or thread context. + * @note Interrupts enabling flags are set to zero after this call, see + * bug 3607518. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * + * @special + */ +#define dmaStreamDisable(dmastp) { \ + (dmastp)->stream->CR &= ~(STM32_DMA_CR_TCIE | STM32_DMA_CR_HTIE | \ + STM32_DMA_CR_TEIE | STM32_DMA_CR_DMEIE | \ + STM32_DMA_CR_EN); \ + while (((dmastp)->stream->CR & STM32_DMA_CR_EN) != 0) \ + ; \ + dmaStreamClearInterrupt(dmastp); \ +} + +/** + * @brief DMA stream interrupt sources clear. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * + * @special + */ +#define dmaStreamClearInterrupt(dmastp) { \ + *(dmastp)->ifcr = STM32_DMA_ISR_MASK << (dmastp)->ishift; \ +} + +/** + * @brief Starts a memory to memory operation using the specified stream. + * @note The default transfer data mode is "byte to byte" but it can be + * changed by specifying extra options in the @p mode parameter. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] mode value to be written in the CCR register, this value + * is implicitly ORed with: + * - @p STM32_DMA_CR_MINC + * - @p STM32_DMA_CR_PINC + * - @p STM32_DMA_CR_DIR_M2M + * - @p STM32_DMA_CR_EN + * . + * @param[in] src source address + * @param[in] dst destination address + * @param[in] n number of data units to copy + */ +#define dmaStartMemCopy(dmastp, mode, src, dst, n) { \ + dmaStreamSetPeripheral(dmastp, src); \ + dmaStreamSetMemory0(dmastp, dst); \ + dmaStreamSetTransactionSize(dmastp, n); \ + dmaStreamSetMode(dmastp, (mode) | \ + STM32_DMA_CR_MINC | STM32_DMA_CR_PINC | \ + STM32_DMA_CR_DIR_M2M | STM32_DMA_CR_EN); \ +} + +/** + * @brief Polled wait for DMA transfer end. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + */ +#define dmaWaitCompletion(dmastp) { \ + while ((dmastp)->stream->NDTR > 0) \ + ; \ + dmaStreamDisable(dmastp); \ +} +/** @} */ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#if !defined(__DOXYGEN__) +extern const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS]; +#endif + +#ifdef __cplusplus +extern "C" { +#endif + void dmaInit(void); + bool_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_ */ + +/** @} */ diff --git a/os/hal/platforms/STM32F4xx/stm32_isr.h b/os/hal/platforms/STM32F4xx/stm32_isr.h new file mode 100644 index 000000000..fc655165a --- /dev/null +++ b/os/hal/platforms/STM32F4xx/stm32_isr.h @@ -0,0 +1,150 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F4xx/stm32_isr.h + * @brief ISR remapper driver header. + * + * @addtogroup STM32F4xx_ISR + * @{ + */ + +#ifndef _STM32_ISR_H_ +#define _STM32_ISR_H_ + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @name ISR names and numbers remapping + * @{ + */ +/* + * CAN units. + */ +#define STM32_CAN1_TX_HANDLER CAN1_TX_IRQHandler +#define STM32_CAN1_RX0_HANDLER CAN1_RX0_IRQHandler +#define STM32_CAN1_RX1_HANDLER CAN1_RX1_IRQHandler +#define STM32_CAN1_SCE_HANDLER CAN1_SCE_IRQHandler +#define STM32_CAN2_TX_HANDLER CAN2_TX_IRQHandler +#define STM32_CAN2_RX0_HANDLER CAN2_RX0_IRQHandler +#define STM32_CAN2_RX1_HANDLER CAN2_RX1_IRQHandler +#define STM32_CAN2_SCE_HANDLER CAN2_SCE_IRQHandler + +#define STM32_CAN1_TX_NUMBER CAN1_TX_IRQn +#define STM32_CAN1_RX0_NUMBER CAN1_RX0_IRQn +#define STM32_CAN1_RX1_NUMBER CAN1_RX1_IRQn +#define STM32_CAN1_SCE_NUMBER CAN1_SCE_IRQn +#define STM32_CAN2_TX_NUMBER CAN2_TX_IRQn +#define STM32_CAN2_RX0_NUMBER CAN2_RX0_IRQn +#define STM32_CAN2_RX1_NUMBER CAN2_RX1_IRQn +#define STM32_CAN2_SCE_NUMBER CAN2_SCE_IRQn + +/* + * OTG units. + */ +#define STM32_OTG1_HANDLER Vector14C +#define STM32_OTG2_HANDLER Vector174 +#define STM32_OTG2_EP1OUT_HANDLER Vector168 +#define STM32_OTG2_EP1IN_HANDLER Vector16C + +#define STM32_OTG1_NUMBER OTG_FS_IRQn +#define STM32_OTG2_NUMBER OTG_HS_IRQn +#define STM32_OTG2_EP1OUT_NUMBER OTG_HS_EP1_OUT_IRQn +#define STM32_OTG2_EP1IN_NUMBER OTG_HS_EP1_IN_IRQn + +/* + * SDIO unit. + */ +#define STM32_SDIO_HANDLER SDIO_IRQHandler + +#define STM32_SDIO_NUMBER SDIO_IRQn + +/* + * TIM units. + */ +#define STM32_TIM1_UP_HANDLER TIM1_UP_IRQHandler +#define STM32_TIM1_CC_HANDLER TIM1_CC_IRQHandler +#define STM32_TIM2_HANDLER TIM2_IRQHandler +#define STM32_TIM3_HANDLER TIM3_IRQHandler +#define STM32_TIM4_HANDLER TIM4_IRQHandler +#define STM32_TIM5_HANDLER TIM5_IRQHandler +#define STM32_TIM6_HANDLER TIM6_IRQHandler +#define STM32_TIM7_HANDLER TIM7_IRQHandler +#define STM32_TIM8_UP_HANDLER TIM8_UP_IRQHandler +#define STM32_TIM8_CC_HANDLER TIM8_CC_IRQHandler +#define STM32_TIM9_HANDLER TIM1_BRK_IRQHandler +#define STM32_TIM11_HANDLER TIM1_TRG_COM_IRQHandler +#define STM32_TIM12_HANDLER TIM8_BRK_IRQHandler +#define STM32_TIM14_HANDLER TIM8_TRG_COM_IRQHandler + +#define STM32_TIM1_UP_NUMBER TIM1_UP_TIM10_IRQn +#define STM32_TIM1_CC_NUMBER TIM1_CC_IRQn +#define STM32_TIM2_NUMBER TIM2_IRQn +#define STM32_TIM3_NUMBER TIM3_IRQn +#define STM32_TIM4_NUMBER TIM4_IRQn +#define STM32_TIM5_NUMBER TIM5_IRQn +#define STM32_TIM6_NUMBER TIM6_IRQn +#define STM32_TIM7_NUMBER TIM7_IRQn +#define STM32_TIM8_UP_NUMBER TIM8_UP_TIM13_IRQn +#define STM32_TIM8_CC_NUMBER TIM8_CC_IRQn +#define STM32_TIM9_NUMBER TIM1_BRK_TIM9_IRQn +#define STM32_TIM11_NUMBER TIM1_TRG_COM_TIM11_IRQn +#define STM32_TIM12_NUMBER TIM8_BRK_TIM12_IRQn +#define STM32_TIM14_NUMBER TIM8_TRG_COM_TIM14_IRQn + +/* + * USART units. + */ +#define STM32_USART1_HANDLER USART1_IRQHandler +#define STM32_USART2_HANDLER USART2_IRQHandler +#define STM32_USART3_HANDLER USART3_IRQHandler +#define STM32_UART4_HANDLER UART4_IRQHandler +#define STM32_UART5_HANDLER UART5_IRQHandler +#define STM32_USART6_HANDLER USART6_IRQHandler + +#define STM32_USART1_NUMBER USART1_IRQn +#define STM32_USART2_NUMBER USART2_IRQn +#define STM32_USART3_NUMBER USART3_IRQn +#define STM32_UART4_NUMBER UART4_IRQn +#define STM32_UART5_NUMBER UART5_IRQn +#define STM32_USART6_NUMBER USART6_IRQn +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#endif /* _STM32_ISR_H_ */ + +/** @} */ diff --git a/os/hal/platforms/STM32F4xx/stm32_rcc.h b/os/hal/platforms/STM32F4xx/stm32_rcc.h new file mode 100644 index 000000000..25a9bb037 --- /dev/null +++ b/os/hal/platforms/STM32F4xx/stm32_rcc.h @@ -0,0 +1,1254 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F4xx/stm32_rcc.h + * @brief RCC helper driver header. + * @note This file requires definitions from the ST header file + * @p stm32f4xx.h. + * + * @addtogroup STM32F4xx_RCC + * @{ + */ +#ifndef _STM32_RCC_ +#define _STM32_RCC_ + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @name Generic RCC operations + * @{ + */ +/** + * @brief Enables the clock of one or more peripheral on the APB1 bus. + * + * @param[in] mask APB1 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAPB1(mask, lp) { \ + RCC->APB1ENR |= (mask); \ + if (lp) \ + RCC->APB1LPENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the APB1 bus. + * + * @param[in] mask APB1 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAPB1(mask, lp) { \ + RCC->APB1ENR &= ~(mask); \ + if (lp) \ + RCC->APB1LPENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the APB1 bus. + * + * @param[in] mask APB1 peripherals mask + * + * @api + */ +#define rccResetAPB1(mask) { \ + RCC->APB1RSTR |= (mask); \ + RCC->APB1RSTR = 0; \ +} + +/** + * @brief Enables the clock of one or more peripheral on the APB2 bus. + * + * @param[in] mask APB2 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAPB2(mask, lp) { \ + RCC->APB2ENR |= (mask); \ + if (lp) \ + RCC->APB2LPENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the APB2 bus. + * + * @param[in] mask APB2 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAPB2(mask, lp) { \ + RCC->APB2ENR &= ~(mask); \ + if (lp) \ + RCC->APB2LPENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the APB2 bus. + * + * @param[in] mask APB2 peripherals mask + * + * @api + */ +#define rccResetAPB2(mask) { \ + RCC->APB2RSTR |= (mask); \ + RCC->APB2RSTR = 0; \ +} + +/** + * @brief Enables the clock of one or more peripheral on the AHB1 bus. + * + * @param[in] mask AHB1 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAHB1(mask, lp) { \ + RCC->AHB1ENR |= (mask); \ + if (lp) \ + RCC->AHB1LPENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the AHB1 bus. + * + * @param[in] mask AHB1 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAHB1(mask, lp) { \ + RCC->AHB1ENR &= ~(mask); \ + if (lp) \ + RCC->AHB1LPENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the AHB1 bus. + * + * @param[in] mask AHB1 peripherals mask + * + * @api + */ +#define rccResetAHB1(mask) { \ + RCC->AHB1RSTR |= (mask); \ + RCC->AHB1RSTR = 0; \ +} + +/** + * @brief Enables the clock of one or more peripheral on the AHB2 bus. + * + * @param[in] mask AHB2 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAHB2(mask, lp) { \ + RCC->AHB2ENR |= (mask); \ + if (lp) \ + RCC->AHB2LPENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the AHB2 bus. + * + * @param[in] mask AHB2 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAHB2(mask, lp) { \ + RCC->AHB2ENR &= ~(mask); \ + if (lp) \ + RCC->AHB2LPENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the AHB2 bus. + * + * @param[in] mask AHB2 peripherals mask + * + * @api + */ +#define rccResetAHB2(mask) { \ + RCC->AHB2RSTR |= (mask); \ + RCC->AHB2RSTR = 0; \ +} + +/** + * @brief Enables the clock of one or more peripheral on the AHB3 (FSMC) bus. + * + * @param[in] mask AHB3 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAHB3(mask, lp) { \ + RCC->AHB3ENR |= (mask); \ + if (lp) \ + RCC->AHB3LPENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the AHB3 (FSMC) bus. + * + * @param[in] mask AHB3 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAHB3(mask, lp) { \ + RCC->AHB3ENR &= ~(mask); \ + if (lp) \ + RCC->AHB3LPENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the AHB3 (FSMC) bus. + * + * @param[in] mask AHB3 peripherals mask + * + * @api + */ +#define rccResetAHB3(mask) { \ + RCC->AHB3RSTR |= (mask); \ + RCC->AHB3RSTR = 0; \ +} +/** @} */ + +/** + * @name ADC peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the ADC1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableADC1(lp) rccEnableAPB2(RCC_APB2ENR_ADC1EN, lp) + +/** + * @brief Disables the ADC1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableADC1(lp) rccDisableAPB2(RCC_APB2ENR_ADC1EN, lp) + +/** + * @brief Resets the ADC1 peripheral. + * + * @api + */ +#define rccResetADC1() rccResetAPB2(RCC_APB2RSTR_ADC1RST) + +/** + * @brief Enables the ADC2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableADC2(lp) rccEnableAPB2(RCC_APB2ENR_ADC2EN, lp) + +/** + * @brief Disables the ADC2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableADC2(lp) rccDisableAPB2(RCC_APB2ENR_ADC2EN, lp) + +/** + * @brief Resets the ADC2 peripheral. + * + * @api + */ +#define rccResetADC2() rccResetAPB2(RCC_APB2RSTR_ADC2RST) + +/** + * @brief Enables the ADC3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableADC3(lp) rccEnableAPB2(RCC_APB2ENR_ADC3EN, lp) + +/** + * @brief Disables the ADC3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableADC3(lp) rccDisableAPB2(RCC_APB2ENR_ADC3EN, lp) + +/** + * @brief Resets the ADC3 peripheral. + * + * @api + */ +#define rccResetADC3() rccResetAPB2(RCC_APB2RSTR_ADC3RST) +/** @} */ + +/** + * @name DMA peripheral specific RCC operations + * @{ + */ +/** + * @brief Enables the DMA1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableDMA1(lp) rccEnableAHB1(RCC_AHB1ENR_DMA1EN, lp) + +/** + * @brief Disables the DMA1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableDMA1(lp) rccDisableAHB1(RCC_AHB1ENR_DMA1EN, lp) + +/** + * @brief Resets the DMA1 peripheral. + * + * @api + */ +#define rccResetDMA1() rccResetAHB1(RCC_AHB1RSTR_DMA1RST) + +/** + * @brief Enables the DMA2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableDMA2(lp) rccEnableAHB1(RCC_AHB1ENR_DMA2EN, lp) + +/** + * @brief Disables the DMA2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableDMA2(lp) rccDisableAHB1(RCC_AHB1ENR_DMA2EN, lp) + +/** + * @brief Resets the DMA2 peripheral. + * + * @api + */ +#define rccResetDMA2() rccResetAHB1(RCC_AHB1RSTR_DMA2RST) +/** @} */ + +/** + * @name PWR interface specific RCC operations + * @{ + */ +/** + * @brief Enables the PWR interface clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnablePWRInterface(lp) rccEnableAPB1(RCC_APB1ENR_PWREN, lp) + +/** + * @brief Disables PWR interface clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisablePWRInterface(lp) rccDisableAPB1(RCC_APB1ENR_PWREN, lp) + +/** + * @brief Resets the PWR interface. + * + * @api + */ +#define rccResetPWRInterface() rccResetAPB1(RCC_APB1RSTR_PWRRST) +/** @} */ + + +/** + * @name CAN peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the CAN1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableCAN1(lp) rccEnableAPB1(RCC_APB1ENR_CAN1EN, lp) + +/** + * @brief Disables the CAN1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableCAN1(lp) rccDisableAPB1(RCC_APB1ENR_CAN1EN, lp) + +/** + * @brief Resets the CAN1 peripheral. + * + * @api + */ +#define rccResetCAN1() rccResetAPB1(RCC_APB1RSTR_CAN1RST) + +/** + * @brief Enables the CAN2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableCAN2(lp) rccEnableAPB1(RCC_APB1ENR_CAN2EN, lp) + +/** + * @brief Disables the CAN2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableCAN2(lp) rccDisableAPB1(RCC_APB1ENR_CAN2EN, lp) + +/** + * @brief Resets the CAN2 peripheral. + * + * @api + */ +#define rccResetCAN2() rccResetAPB1(RCC_APB1RSTR_CAN2RST) +/** @} */ + +/** + * @name ETH peripheral specific RCC operations + * @{ + */ +/** + * @brief Enables the ETH peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableETH(lp) rccEnableAHB1(RCC_AHB1ENR_ETHMACEN | \ + RCC_AHB1ENR_ETHMACTXEN | \ + RCC_AHB1ENR_ETHMACRXEN, lp) + +/** + * @brief Disables the ETH peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableETH(lp) rccDisableAHB1(RCC_AHB1ENR_ETHMACEN | \ + RCC_AHB1ENR_ETHMACTXEN | \ + RCC_AHB1ENR_ETHMACRXEN, lp) + +/** + * @brief Resets the ETH peripheral. + * + * @api + */ +#define rccResetETH() rccResetAHB1(RCC_AHB1RSTR_ETHMACRST) +/** @} */ + +/** + * @name I2C peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the I2C1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableI2C1(lp) rccEnableAPB1(RCC_APB1ENR_I2C1EN, lp) + +/** + * @brief Disables the I2C1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableI2C1(lp) rccDisableAPB1(RCC_APB1ENR_I2C1EN, lp) + +/** + * @brief Resets the I2C1 peripheral. + * + * @api + */ +#define rccResetI2C1() rccResetAPB1(RCC_APB1RSTR_I2C1RST) + +/** + * @brief Enables the I2C2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableI2C2(lp) rccEnableAPB1(RCC_APB1ENR_I2C2EN, lp) + +/** + * @brief Disables the I2C2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableI2C2(lp) rccDisableAPB1(RCC_APB1ENR_I2C2EN, lp) + +/** + * @brief Resets the I2C2 peripheral. + * + * @api + */ +#define rccResetI2C2() rccResetAPB1(RCC_APB1RSTR_I2C2RST) + +/** + * @brief Enables the I2C3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableI2C3(lp) rccEnableAPB1(RCC_APB1ENR_I2C3EN, lp) + +/** + * @brief Disables the I2C3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableI2C3(lp) rccDisableAPB1(RCC_APB1ENR_I2C3EN, lp) + +/** + * @brief Resets the I2C3 peripheral. + * + * @api + */ +#define rccResetI2C3() rccResetAPB1(RCC_APB1RSTR_I2C3RST) +/** @} */ + +/** + * @name OTG peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the OTG_FS peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableOTG_FS(lp) rccEnableAHB2(RCC_AHB2ENR_OTGFSEN, lp) + +/** + * @brief Disables the OTG_FS peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableOTG_FS(lp) rccDisableAHB2(RCC_AHB2ENR_OTGFSEN, lp) + +/** + * @brief Resets the OTG_FS peripheral. + * + * @api + */ +#define rccResetOTG_FS() rccResetAHB2(RCC_AHB2RSTR_OTGFSRST) + +/** + * @brief Enables the OTG_HS peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableOTG_HS(lp) rccEnableAHB1(RCC_AHB1ENR_OTGHSEN, lp) + +/** + * @brief Disables the OTG_HS peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableOTG_HS(lp) rccDisableAHB1(RCC_AHB1ENR_OTGHSEN, lp) + +/** + * @brief Resets the OTG_HS peripheral. + * + * @api + */ +#define rccResetOTG_HS() rccResetAHB1(RCC_AHB1RSTR_OTGHSRST) +/** @} */ + +/** + * @name SDIO peripheral specific RCC operations + * @{ + */ +/** + * @brief Enables the SDIO peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableSDIO(lp) rccEnableAPB2(RCC_APB2ENR_SDIOEN, lp) + +/** + * @brief Disables the SDIO peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableSDIO(lp) rccDisableAPB2(RCC_APB2ENR_SDIOEN, lp) + +/** + * @brief Resets the SDIO peripheral. + * @note Not supported in this family, does nothing. + * + * @api + */ +#define rccResetSDIO() rccResetAPB2(RCC_APB2RSTR_SDIORST) +/** @} */ + +/** + * @name SPI peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the SPI1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableSPI1(lp) rccEnableAPB2(RCC_APB2ENR_SPI1EN, lp) + +/** + * @brief Disables the SPI1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableSPI1(lp) rccDisableAPB2(RCC_APB2ENR_SPI1EN, lp) + +/** + * @brief Resets the SPI1 peripheral. + * + * @api + */ +#define rccResetSPI1() rccResetAPB2(RCC_APB2RSTR_SPI1RST) + +/** + * @brief Enables the SPI2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableSPI2(lp) rccEnableAPB1(RCC_APB1ENR_SPI2EN, lp) + +/** + * @brief Disables the SPI2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableSPI2(lp) rccDisableAPB1(RCC_APB1ENR_SPI2EN, lp) + +/** + * @brief Resets the SPI2 peripheral. + * + * @api + */ +#define rccResetSPI2() rccResetAPB1(RCC_APB1RSTR_SPI2RST) + +/** + * @brief Enables the SPI3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableSPI3(lp) rccEnableAPB1(RCC_APB1ENR_SPI3EN, lp) + +/** + * @brief Disables the SPI3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableSPI3(lp) rccDisableAPB1(RCC_APB1ENR_SPI3EN, lp) + +/** + * @brief Resets the SPI3 peripheral. + * + * @api + */ +#define rccResetSPI3() rccResetAPB1(RCC_APB1RSTR_SPI3RST) +/** @} */ + +/** + * @name TIM peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the TIM1 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM1(lp) rccEnableAPB2(RCC_APB2ENR_TIM1EN, lp) + +/** + * @brief Disables the TIM1 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM1(lp) rccDisableAPB2(RCC_APB2ENR_TIM1EN, lp) + +/** + * @brief Resets the TIM1 peripheral. + * + * @api + */ +#define rccResetTIM1() rccResetAPB2(RCC_APB2RSTR_TIM1RST) + +/** + * @brief Enables the TIM2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM2(lp) rccEnableAPB1(RCC_APB1ENR_TIM2EN, lp) + +/** + * @brief Disables the TIM2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM2(lp) rccDisableAPB1(RCC_APB1ENR_TIM2EN, lp) + +/** + * @brief Resets the TIM2 peripheral. + * + * @api + */ +#define rccResetTIM2() rccResetAPB1(RCC_APB1RSTR_TIM2RST) + +/** + * @brief Enables the TIM3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM3(lp) rccEnableAPB1(RCC_APB1ENR_TIM3EN, lp) + +/** + * @brief Disables the TIM3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM3(lp) rccDisableAPB1(RCC_APB1ENR_TIM3EN, lp) + +/** + * @brief Resets the TIM3 peripheral. + * + * @api + */ +#define rccResetTIM3() rccResetAPB1(RCC_APB1RSTR_TIM3RST) + +/** + * @brief Enables the TIM4 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM4(lp) rccEnableAPB1(RCC_APB1ENR_TIM4EN, lp) + +/** + * @brief Disables the TIM4 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM4(lp) rccDisableAPB1(RCC_APB1ENR_TIM4EN, lp) + +/** + * @brief Resets the TIM4 peripheral. + * + * @api + */ +#define rccResetTIM4() rccResetAPB1(RCC_APB1RSTR_TIM4RST) + +/** + * @brief Enables the TIM5 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM5(lp) rccEnableAPB1(RCC_APB1ENR_TIM5EN, lp) + +/** + * @brief Disables the TIM5 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM5(lp) rccDisableAPB1(RCC_APB1ENR_TIM5EN, lp) + +/** + * @brief Resets the TIM5 peripheral. + * + * @api + */ +#define rccResetTIM5() rccResetAPB1(RCC_APB1RSTR_TIM5RST) + +/** + * @brief Enables the TIM6 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM6(lp) rccEnableAPB1(RCC_APB1ENR_TIM6EN, lp) + +/** + * @brief Disables the TIM6 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM6(lp) rccDisableAPB1(RCC_APB1ENR_TIM6EN, lp) + +/** + * @brief Resets the TIM6 peripheral. + * + * @api + */ +#define rccResetTIM6() rccResetAPB1(RCC_APB1RSTR_TIM6RST) + +/** + * @brief Enables the TIM7 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM7(lp) rccEnableAPB1(RCC_APB1ENR_TIM7EN, lp) + +/** + * @brief Disables the TIM7 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM7(lp) rccDisableAPB1(RCC_APB1ENR_TIM7EN, lp) + +/** + * @brief Resets the TIM7 peripheral. + * + * @api + */ +#define rccResetTIM7() rccResetAPB1(RCC_APB1RSTR_TIM7RST) + +/** + * @brief Enables the TIM8 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM8(lp) rccEnableAPB2(RCC_APB2ENR_TIM8EN, lp) + +/** + * @brief Disables the TIM8 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM8(lp) rccDisableAPB2(RCC_APB2ENR_TIM8EN, lp) + +/** + * @brief Resets the TIM8 peripheral. + * + * @api + */ +#define rccResetTIM8() rccResetAPB2(RCC_APB2RSTR_TIM8RST) + +/** + * @brief Enables the TIM9peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM9(lp) rccEnableAPB2(RCC_APB2ENR_TIM9EN, lp) + +/** + * @brief Disables the TIM9 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM9(lp) rccDisableAPB2(RCC_APB2ENR_TIM9EN, lp) + +/** + * @brief Resets the TIM9 peripheral. + * + * @api + */ +#define rccResetTIM9() rccResetAPB2(RCC_APB2RSTR_TIM9RST) + +/** + * @brief Enables the TIM11 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM11(lp) rccEnableAPB2(RCC_APB2ENR_TIM11EN, lp) + +/** + * @brief Disables the TIM11 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM11(lp) rccDisableAPB2(RCC_APB2ENR_TIM11EN, lp) + +/** + * @brief Resets the TIM11 peripheral. + * + * @api + */ +#define rccResetTIM11() rccResetAPB2(RCC_APB2RSTR_TIM11RST) + +/** + * @brief Enables the TIM12 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM12(lp) rccEnableAPB1(RCC_APB1ENR_TIM12EN, lp) + +/** + * @brief Disables the TIM12 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM12(lp) rccDisableAPB1(RCC_APB1ENR_TIM12EN, lp) + +/** + * @brief Resets the TIM12 peripheral. + * + * @api + */ +#define rccResetTIM12() rccResetAPB1(RCC_APB1RSTR_TIM12RST) + +/** + * @brief Enables the TIM14 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM14(lp) rccEnableAPB1(RCC_APB1ENR_TIM14EN, lp) + +/** + * @brief Disables the TIM14 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM14(lp) rccDisableAPB1(RCC_APB1ENR_TIM14EN, lp) + +/** + * @brief Resets the TIM14 peripheral. + * + * @api + */ +#define rccResetTIM14() rccResetAPB1(RCC_APB1RSTR_TIM14RST) +/** @} */ + +/** + * @name USART/UART peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the USART1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUSART1(lp) rccEnableAPB2(RCC_APB2ENR_USART1EN, lp) + +/** + * @brief Disables the USART1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUSART1(lp) rccDisableAPB2(RCC_APB2ENR_USART1EN, lp) + +/** + * @brief Resets the USART1 peripheral. + * + * @api + */ +#define rccResetUSART1() rccResetAPB2(RCC_APB2RSTR_USART1RST) + +/** + * @brief Enables the USART2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUSART2(lp) rccEnableAPB1(RCC_APB1ENR_USART2EN, lp) + +/** + * @brief Disables the USART2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUSART2(lp) rccDisableAPB1(RCC_APB1ENR_USART2EN, lp) + +/** + * @brief Resets the USART2 peripheral. + * + * @api + */ +#define rccResetUSART2() rccResetAPB1(RCC_APB1RSTR_USART2RST) + +/** + * @brief Enables the USART3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUSART3(lp) rccEnableAPB1(RCC_APB1ENR_USART3EN, lp) + +/** + * @brief Disables the USART3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUSART3(lp) rccDisableAPB1(RCC_APB1ENR_USART3EN, lp) + +/** + * @brief Resets the USART3 peripheral. + * + * @api + */ +#define rccResetUSART3() rccResetAPB1(RCC_APB1RSTR_USART3RST) + +/** + * @brief Enables the USART6 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUSART6(lp) rccEnableAPB2(RCC_APB2ENR_USART6EN, lp) + +/** + * @brief Disables the USART6 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUSART6(lp) rccDisableAPB2(RCC_APB2ENR_USART6EN, lp) + +/** + * @brief Enables the UART4 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUART4(lp) rccEnableAPB1(RCC_APB1ENR_UART4EN, lp) + +/** + * @brief Disables the UART4 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUART4(lp) rccDisableAPB1(RCC_APB1ENR_UART4EN, lp) + +/** + * @brief Resets the UART4 peripheral. + * + * @api + */ +#define rccResetUART4() rccResetAPB1(RCC_APB1RSTR_UART4RST) + +/** + * @brief Enables the UART5 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUART5(lp) rccEnableAPB1(RCC_APB1ENR_UART5EN, lp) + +/** + * @brief Disables the UART5 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUART5(lp) rccDisableAPB1(RCC_APB1ENR_UART5EN, lp) + +/** + * @brief Resets the UART5 peripheral. + * + * @api + */ +#define rccResetUART5() rccResetAPB1(RCC_APB1RSTR_UART5RST) + +/** + * @brief Resets the USART6 peripheral. + * + * @api + */ +#define rccResetUSART6() rccResetAPB2(RCC_APB2RSTR_USART6RST) +/** @} */ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif +#ifdef __cplusplus +} +#endif + +#endif /* _STM32_RCC_ */ + +/** @} */ diff --git a/os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F405xG.ld b/os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F405xG.ld new file mode 100644 index 000000000..5ddc2bfd8 --- /dev/null +++ b/os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F405xG.ld @@ -0,0 +1,161 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, + 2011,2012,2013 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/RT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + + --- + + A special exception to the GPL can be applied should you wish to distribute + a combined work that includes ChibiOS/RT, without being obliged to provide + the source code for any proprietary components. See the file exception.txt + for full details of how and when the exception can be applied. +*/ + +/* + * ST32F405xG memory setup. + */ +__main_stack_size__ = 0x0400; +__process_stack_size__ = 0x0400; + +MEMORY +{ + flash : org = 0x08000000, len = 1M + ram : org = 0x20000000, len = 112k + ethram : org = 0x2001C000, len = 16k + ccmram : org = 0x10000000, len = 64k +} + +__ram_start__ = ORIGIN(ram); +__ram_size__ = LENGTH(ram); +__ram_end__ = __ram_start__ + __ram_size__; + +ENTRY(ResetHandler) + +SECTIONS +{ + . = 0; + _text = .; + + startup : ALIGN(16) SUBALIGN(16) + { + KEEP(*(vectors)) + } > flash + + constructors : ALIGN(4) SUBALIGN(4) + { + PROVIDE(__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE(__init_array_end = .); + } > flash + + destructors : ALIGN(4) SUBALIGN(4) + { + PROVIDE(__fini_array_start = .); + KEEP(*(.fini_array)) + KEEP(*(SORT(.fini_array.*))) + PROVIDE(__fini_array_end = .); + } > flash + + .text : ALIGN(16) SUBALIGN(16) + { + *(.text.startup.*) + *(.text) + *(.text.*) + *(.rodata) + *(.rodata.*) + *(.glue_7t) + *(.glue_7) + *(.gcc*) + } > flash + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > flash + + .ARM.exidx : { + PROVIDE(__exidx_start = .); + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + PROVIDE(__exidx_end = .); + } > flash + + .eh_frame_hdr : + { + *(.eh_frame_hdr) + } > flash + + .eh_frame : ONLY_IF_RO + { + *(.eh_frame) + } > flash + + .textalign : ONLY_IF_RO + { + . = ALIGN(8); + } > flash + + _etext = .; + _textdata = _etext; + + .stacks : + { + . = ALIGN(8); + __main_stack_base__ = .; + . += __main_stack_size__; + . = ALIGN(8); + __main_stack_end__ = .; + __process_stack_base__ = .; + __main_thread_stack_base__ = .; + . += __process_stack_size__; + . = ALIGN(8); + __process_stack_end__ = .; + __main_thread_stack_end__ = .; + } > ram + + .data : + { + . = ALIGN(4); + PROVIDE(_data = .); + *(.data) + . = ALIGN(4); + *(.data.*) + . = ALIGN(4); + *(.ramtext) + . = ALIGN(4); + PROVIDE(_edata = .); + } > ram AT > flash + + .bss : + { + . = ALIGN(4); + PROVIDE(_bss_start = .); + *(.bss) + . = ALIGN(4); + *(.bss.*) + . = ALIGN(4); + *(COMMON) + . = ALIGN(4); + PROVIDE(_bss_end = .); + } > ram +} + +PROVIDE(end = .); +_end = .; + +__heap_base__ = _end; +__heap_end__ = __ram_end__; diff --git a/os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F407xG.ld b/os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F407xG.ld new file mode 100644 index 000000000..e6e74ae7a --- /dev/null +++ b/os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F407xG.ld @@ -0,0 +1,161 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, + 2011,2012,2013 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/RT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + + --- + + A special exception to the GPL can be applied should you wish to distribute + a combined work that includes ChibiOS/RT, without being obliged to provide + the source code for any proprietary components. See the file exception.txt + for full details of how and when the exception can be applied. +*/ + +/* + * ST32F407xG memory setup. + */ +__main_stack_size__ = 0x0400; +__process_stack_size__ = 0x0400; + +MEMORY +{ + flash : org = 0x08000000, len = 1M + ram : org = 0x20000000, len = 112k + ethram : org = 0x2001C000, len = 16k + ccmram : org = 0x10000000, len = 64k +} + +__ram_start__ = ORIGIN(ram); +__ram_size__ = LENGTH(ram); +__ram_end__ = __ram_start__ + __ram_size__; + +ENTRY(ResetHandler) + +SECTIONS +{ + . = 0; + _text = .; + + startup : ALIGN(16) SUBALIGN(16) + { + KEEP(*(vectors)) + } > flash + + constructors : ALIGN(4) SUBALIGN(4) + { + PROVIDE(__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE(__init_array_end = .); + } > flash + + destructors : ALIGN(4) SUBALIGN(4) + { + PROVIDE(__fini_array_start = .); + KEEP(*(.fini_array)) + KEEP(*(SORT(.fini_array.*))) + PROVIDE(__fini_array_end = .); + } > flash + + .text : ALIGN(16) SUBALIGN(16) + { + *(.text.startup.*) + *(.text) + *(.text.*) + *(.rodata) + *(.rodata.*) + *(.glue_7t) + *(.glue_7) + *(.gcc*) + } > flash + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > flash + + .ARM.exidx : { + PROVIDE(__exidx_start = .); + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + PROVIDE(__exidx_end = .); + } > flash + + .eh_frame_hdr : + { + *(.eh_frame_hdr) + } > flash + + .eh_frame : ONLY_IF_RO + { + *(.eh_frame) + } > flash + + .textalign : ONLY_IF_RO + { + . = ALIGN(8); + } > flash + + _etext = .; + _textdata = _etext; + + .stacks : + { + . = ALIGN(8); + __main_stack_base__ = .; + . += __main_stack_size__; + . = ALIGN(8); + __main_stack_end__ = .; + __process_stack_base__ = .; + __main_thread_stack_base__ = .; + . += __process_stack_size__; + . = ALIGN(8); + __process_stack_end__ = .; + __main_thread_stack_end__ = .; + } > ram + + .data : + { + . = ALIGN(4); + PROVIDE(_data = .); + *(.data) + . = ALIGN(4); + *(.data.*) + . = ALIGN(4); + *(.ramtext) + . = ALIGN(4); + PROVIDE(_edata = .); + } > ram AT > flash + + .bss : + { + . = ALIGN(4); + PROVIDE(_bss_start = .); + *(.bss) + . = ALIGN(4); + *(.bss.*) + . = ALIGN(4); + *(COMMON) + . = ALIGN(4); + PROVIDE(_bss_end = .); + } > ram +} + +PROVIDE(end = .); +_end = .; + +__heap_base__ = _end; +__heap_end__ = __ram_end__; diff --git a/os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F407xG_CCM.ld b/os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F407xG_CCM.ld new file mode 100644 index 000000000..1b4773af1 --- /dev/null +++ b/os/rt/ports/ARMCMx/compilers/GCC/ld/STM32F407xG_CCM.ld @@ -0,0 +1,182 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, + 2011,2012,2013 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/RT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + + --- + + A special exception to the GPL can be applied should you wish to distribute + a combined work that includes ChibiOS/RT, without being obliged to provide + the source code for any proprietary components. See the file exception.txt + for full details of how and when the exception can be applied. +*/ + +/* + * ST32F407xG memory setup. + */ +__main_stack_size__ = 0x0400; +__process_stack_size__ = 0x0400; + +MEMORY +{ + flash : org = 0x08000000, len = 1M + ram : org = 0x20000000, len = 112k + ethram : org = 0x2001C000, len = 16k + ccmram : org = 0x10000000, len = 64k +} + +__ram_start__ = ORIGIN(ram); +__ram_size__ = LENGTH(ram); +__ram_end__ = __ram_start__ + __ram_size__; + +ENTRY(ResetHandler) + +SECTIONS +{ + . = 0; + _text = .; + + startup : ALIGN(16) SUBALIGN(16) + { + KEEP(*(vectors)) + } > flash + + constructors : ALIGN(4) SUBALIGN(4) + { + PROVIDE(__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE(__init_array_end = .); + } > flash + + destructors : ALIGN(4) SUBALIGN(4) + { + PROVIDE(__fini_array_start = .); + KEEP(*(.fini_array)) + KEEP(*(SORT(.fini_array.*))) + PROVIDE(__fini_array_end = .); + } > flash + + .text : ALIGN(16) SUBALIGN(16) + { + *(.text.startup.*) + *(.text) + *(.text.*) + *(.rodata) + *(.rodata.*) + *(.glue_7t) + *(.glue_7) + *(.gcc*) + } > flash + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > flash + + .ARM.exidx : { + PROVIDE(__exidx_start = .); + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + PROVIDE(__exidx_end = .); + } > flash + + .eh_frame_hdr : + { + *(.eh_frame_hdr) + } > flash + + .eh_frame : ONLY_IF_RO + { + *(.eh_frame) + } > flash + + .textalign : ONLY_IF_RO + { + . = ALIGN(8); + } > flash + + _etext = .; + _textdata = _etext; + + .stacks : + { + . = ALIGN(8); + __main_stack_base__ = .; + . += __main_stack_size__; + . = ALIGN(8); + __main_stack_end__ = .; + __process_stack_base__ = .; + __main_thread_stack_base__ = .; + . += __process_stack_size__; + . = ALIGN(8); + __process_stack_end__ = .; + __main_thread_stack_end__ = .; + } > ccmram + + .ccm : + { + PROVIDE(_cmm_start = .); + . = ALIGN(4); + *(.bss.mainthread.*) + . = ALIGN(4); + *(.bss._idle_thread_wa) + . = ALIGN(4); + *(.bss.rlist) + . = ALIGN(4); + *(.bss.vtlist) + . = ALIGN(4); + *(.bss.endmem) + . = ALIGN(4); + *(.bss.nextmem) + . = ALIGN(4); + *(.bss.default_heap) + . = ALIGN(4); + PROVIDE(_cmm_end = .); + } > ccmram + + .data : + { + . = ALIGN(4); + PROVIDE(_data = .); + *(.data) + . = ALIGN(4); + *(.data.*) + . = ALIGN(4); + *(.ramtext) + . = ALIGN(4); + PROVIDE(_edata = .); + } > ram AT > flash + + .bss : + { + . = ALIGN(4); + PROVIDE(_bss_start = .); + *(.bss) + . = ALIGN(4); + *(.bss.*) + . = ALIGN(4); + *(COMMON) + . = ALIGN(4); + PROVIDE(_bss_end = .); + } > ram +} + +PROVIDE(end = .); +_end = .; + +__heap_base__ = _end; +__heap_end__ = __ram_end__; diff --git a/os/rt/ports/ARMCMx/devices/STM32F4xx/stm32f4xx.h b/os/rt/ports/ARMCMx/devices/STM32F4xx/stm32f4xx.h index 082a18e72..d98436814 100644 --- a/os/rt/ports/ARMCMx/devices/STM32F4xx/stm32f4xx.h +++ b/os/rt/ports/ARMCMx/devices/STM32F4xx/stm32f4xx.h @@ -5067,7 +5067,9 @@ typedef struct #define RCC_AHB1RSTR_DMA1RST ((uint32_t)0x00200000) #define RCC_AHB1RSTR_DMA2RST ((uint32_t)0x00400000) #define RCC_AHB1RSTR_ETHMACRST ((uint32_t)0x02000000) -#define RCC_AHB1RSTR_OTGHRST ((uint32_t)0x10000000) +/* CHIBIOS FIX */ +/*#define RCC_AHB1RSTR_OTGHRST ((uint32_t)0x10000000)*/ +#define RCC_AHB1RSTR_OTGHSRST ((uint32_t)0x10000000) /******************** Bit definition for RCC_AHB2RSTR register **************/ #define RCC_AHB2RSTR_DCMIRST ((uint32_t)0x00000001) -- cgit v1.2.3