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stmhal: L4: Adapt startup code, clock configuration and interrupts.

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This commit is contained in:
Tobias Badertscher 2016-03-23 22:39:31 +01:00 committed by Damien George
parent e64032d6fd
commit adaaf439b0
3 changed files with 372 additions and 14 deletions
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205
stmhal/startup_stm32.S
View File

@ -44,10 +44,12 @@
*/
.syntax unified
#if defined(MCU_SERIES_M7)
#if defined(MCU_SERIES_F7)
.cpu cortex-m7
#else
#elif defined(MCU_SERIES_F4) || defined(MCU_SERIES_L4)
.cpu cortex-m4
#else
#error "Unknown MCU Series"
#endif
.fpu softvfp
.thumb
@ -164,7 +166,11 @@ g_pfnVectors:
/* External Interrupts */
.word WWDG_IRQHandler /* Window WatchDog */
#if defined(MCU_SERIES_L4)
.word PVD_PVM_IRQHandler /* PVD and PVM through EXTI line detection */
#else
.word PVD_IRQHandler /* PVD through EXTI Line detection */
#endif
.word TAMP_STAMP_IRQHandler /* Tamper and TimeStamps through the EXTI line */
.word RTC_WKUP_IRQHandler /* RTC Wakeup through the EXTI line */
.word FLASH_IRQHandler /* FLASH */
@ -174,6 +180,16 @@ g_pfnVectors:
.word EXTI2_IRQHandler /* EXTI Line2 */
.word EXTI3_IRQHandler /* EXTI Line3 */
.word EXTI4_IRQHandler /* EXTI Line4 */
#if defined(MCU_SERIES_L4)
.word DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */
.word DMA1_Channel2_IRQHandler /* DMA1 Channel 2 */
.word DMA1_Channel3_IRQHandler /* DMA1 Channel 3 */
.word DMA1_Channel4_IRQHandler /* DMA1 Channel 4 */
.word DMA1_Channel5_IRQHandler /* DMA1 Channel 5 */
.word DMA1_Channel6_IRQHandler /* DMA1 Channel 6 */
.word DMA1_Channel7_IRQHandler /* DMA1 Channel 7 */
.word ADC1_2_IRQHandler /* ADC1 and ADC2 */
#else
.word DMA1_Stream0_IRQHandler /* DMA1 Stream 0 */
.word DMA1_Stream1_IRQHandler /* DMA1 Stream 1 */
.word DMA1_Stream2_IRQHandler /* DMA1 Stream 2 */
@ -182,14 +198,21 @@ g_pfnVectors:
.word DMA1_Stream5_IRQHandler /* DMA1 Stream 5 */
.word DMA1_Stream6_IRQHandler /* DMA1 Stream 6 */
.word ADC_IRQHandler /* ADC1, ADC2 and ADC3s */
#endif
.word CAN1_TX_IRQHandler /* CAN1 TX */
.word CAN1_RX0_IRQHandler /* CAN1 RX0 */
.word CAN1_RX1_IRQHandler /* CAN1 RX1 */
.word CAN1_SCE_IRQHandler /* CAN1 SCE */
.word EXTI9_5_IRQHandler /* External Line[9:5]s */
#if defined(MCU_SERIES_L4)
.word TIM1_BRK_TIM15_IRQHandler /* TIM1 Break and TIM15 */
.word TIM1_UP_TIM16_IRQHandler /* TIM1 Update and TIM16 */
.word TIM1_TRG_COM_TIM17_IRQHandler /* TIM1 Trigger and Commutation and TIM17 */
#else
.word TIM1_BRK_TIM9_IRQHandler /* TIM1 Break and TIM9 */
.word TIM1_UP_TIM10_IRQHandler /* TIM1 Update and TIM10 */
.word TIM1_TRG_COM_TIM11_IRQHandler /* TIM1 Trigger and Commutation and TIM11 */
#endif
.word TIM1_CC_IRQHandler /* TIM1 Capture Compare */
.word TIM2_IRQHandler /* TIM2 */
.word TIM3_IRQHandler /* TIM3 */
@ -205,13 +228,24 @@ g_pfnVectors:
.word USART3_IRQHandler /* USART3 */
.word EXTI15_10_IRQHandler /* External Line[15:10]s */
.word RTC_Alarm_IRQHandler /* RTC Alarm (A and B) through EXTI Line */
#if defined(MCU_SERIES_L4)
.word DFSDM3_IRQHandler /* Digital filter for sigma delta modulator 3 */
.word TIM8_BRK_IRQHandler /* TIM8 Break */
.word TIM8_UP_IRQHandler /* TIM8 Update */
.word TIM8_TRG_COM_IRQHandler /* TIM8 Trigger and Commutation */
#else
.word OTG_FS_WKUP_IRQHandler /* USB OTG FS Wakeup through EXTI line */
.word TIM8_BRK_TIM12_IRQHandler /* TIM8 Break and TIM12 */
.word TIM8_UP_TIM13_IRQHandler /* TIM8 Update and TIM13 */
.word TIM8_TRG_COM_TIM14_IRQHandler /* TIM8 Trigger and Commutation and TIM14 */
#endif
.word TIM8_CC_IRQHandler /* TIM8 Capture Compare */
#if defined(MCU_SERIES_L4)
.word ADC3_IRQHandler /* ADC3 global interrupt */
#else
.word DMA1_Stream7_IRQHandler /* DMA1 Stream7 */
#if defined(MCU_SERIES_F7)
#endif
#if defined(MCU_SERIES_F7) || defined(MCU_SERIES_L4)
.word FMC_IRQHandler /* FMC */
.word SDMMC1_IRQHandler /* SDMMC1 */
#else
@ -224,6 +258,19 @@ g_pfnVectors:
.word UART5_IRQHandler /* UART5 */
.word TIM6_DAC_IRQHandler /* TIM6 and DAC1&2 underrun errors */
.word TIM7_IRQHandler /* TIM7 */
#if defined(MCU_SERIES_L4)
.word DMA2_Channel1_IRQHandler /* DMA2 Channel 1 */
.word DMA2_Channel2_IRQHandler /* DMA2 Channel 2 */
.word DMA2_Channel3_IRQHandler /* DMA2 Channel 3 */
.word DMA2_Channel4_IRQHandler /* DMA2 Channel 4 */
.word DMA2_Channel5_IRQHandler /* DMA2 Channel 5 */
.word DFSDM0_IRQHandler /* Digital filter for sigma delta modulator 0 */
.word DFSDM1_IRQHandler /* Digital filter for sigma delta modulator 1 */
.word DFSDM2_IRQHandler /* Digital filter for sigma delta modulator 2 */
.word COMP_IRQHandler /* Comporator thru EXTI line */
.word LPTIM1_IRQHandler /* Low power timer 1 */
.word LPTIM2_IRQHandler /* Low power timer 2 */
#else
.word DMA2_Stream0_IRQHandler /* DMA2 Stream 0 */
.word DMA2_Stream1_IRQHandler /* DMA2 Stream 1 */
.word DMA2_Stream2_IRQHandler /* DMA2 Stream 2 */
@ -235,20 +282,40 @@ g_pfnVectors:
.word CAN2_RX0_IRQHandler /* CAN2 RX0 */
.word CAN2_RX1_IRQHandler /* CAN2 RX1 */
.word CAN2_SCE_IRQHandler /* CAN2 SCE */
#endif
.word OTG_FS_IRQHandler /* USB OTG FS */
#if defined(MCU_SERIES_L4)
.word DMA2_Channel6_IRQHandler /* DMA2 Channel 6 */
.word DMA2_Channel7_IRQHandler /* DMA2 Channel 7 */
.word LPUART1_IRQHandler /* Low power UART */
.word QUADSPI_IRQHandler /* Quad SPI */
#else
.word DMA2_Stream5_IRQHandler /* DMA2 Stream 5 */
.word DMA2_Stream6_IRQHandler /* DMA2 Stream 6 */
.word DMA2_Stream7_IRQHandler /* DMA2 Stream 7 */
.word USART6_IRQHandler /* USART6 */
#endif
.word I2C3_EV_IRQHandler /* I2C3 event */
.word I2C3_ER_IRQHandler /* I2C3 error */
#if defined(MCU_SERIES_L4)
.word SAI1_IRQHandler /* Serial audio interface 1 */
.word SAI2_IRQHandler /* Serial audio interface 2 */
.word SWPMI1_IRQHandler /* Single wire protocole 1 */
.word TSC_IRQHandler /* Touch sensig controller */
.word LCD_IRQHandler /* LCD */
#else
.word OTG_HS_EP1_OUT_IRQHandler /* USB OTG HS End Point 1 Out */
.word OTG_HS_EP1_IN_IRQHandler /* USB OTG HS End Point 1 In */
.word OTG_HS_WKUP_IRQHandler /* USB OTG HS Wakeup through EXTI */
.word OTG_HS_IRQHandler /* USB OTG HS */
.word DCMI_IRQHandler /* DCMI */
#endif
.word 0 /* CRYP crypto */
#if defined(MCU_SERIES_L4)
.word RNG_IRQHandler /* Random number generator */
#else
.word HASH_RNG_IRQHandler /* Hash and Rng */
#endif
.word FPU_IRQHandler /* FPU */
#if defined(MCU_SERIES_F7)
@ -307,8 +374,13 @@ g_pfnVectors:
.weak WWDG_IRQHandler
.thumb_set WWDG_IRQHandler,Default_Handler
#if defined(MCU_SERIES_L4)
.weak PVD_PVM_IRQHandler
.thumb_set PVD_PVM_IRQHandler,Default_Handler
#else
.weak PVD_IRQHandler
.thumb_set PVD_IRQHandler,Default_Handler
#endif
.weak TAMP_STAMP_IRQHandler
.thumb_set TAMP_STAMP_IRQHandler,Default_Handler
@ -337,6 +409,31 @@ g_pfnVectors:
.weak EXTI4_IRQHandler
.thumb_set EXTI4_IRQHandler,Default_Handler
#if defined(MCU_SERIES_L4)
.weak DMA1_Channel1_IRQHandler
.thumb_set DMA1_Channel1_IRQHandler,Default_Handler
.weak DMA1_Channel2_IRQHandler
.thumb_set DMA1_Channel2_IRQHandler,Default_Handler
.weak DMA1_Channel3_IRQHandler
.thumb_set DMA1_Channel3_IRQHandler,Default_Handler
.weak DMA1_Channel4_IRQHandler
.thumb_set DMA1_Channel4_IRQHandler,Default_Handler
.weak DMA1_Channel5_IRQHandler
.thumb_set DMA1_Channel5_IRQHandler,Default_Handler
.weak DMA1_Channel6_IRQHandler
.thumb_set DMA1_Channel6_IRQHandler,Default_Handler
.weak DMA1_Channel7_IRQHandler
.thumb_set DMA1_Channel7_IRQHandler,Default_Handler
.weak ADC1_2_IRQHandler
.thumb_set ADC1_2_IRQHandler,Default_Handler
#else
.weak DMA1_Stream0_IRQHandler
.thumb_set DMA1_Stream0_IRQHandler,Default_Handler
@ -360,6 +457,7 @@ g_pfnVectors:
.weak ADC_IRQHandler
.thumb_set ADC_IRQHandler,Default_Handler
#endif
.weak CAN1_TX_IRQHandler
.thumb_set CAN1_TX_IRQHandler,Default_Handler
@ -376,6 +474,16 @@ g_pfnVectors:
.weak EXTI9_5_IRQHandler
.thumb_set EXTI9_5_IRQHandler,Default_Handler
#if defined(MCU_SERIES_L4)
.weak TIM1_BRK_TIM15_IRQHandler
.thumb_set TIM1_BRK_TIM15_IRQHandler,Default_Handler
.weak TIM1_UP_TIM16_IRQHandler
.thumb_set TIM1_UP_TIM16_IRQHandler,Default_Handler
.weak TIM1_TRG_COM_TIM17_IRQHandler
.thumb_set TIM1_TRG_COM_TIM17_IRQHandler,Default_Handler
#else
.weak TIM1_BRK_TIM9_IRQHandler
.thumb_set TIM1_BRK_TIM9_IRQHandler,Default_Handler
@ -384,6 +492,7 @@ g_pfnVectors:
.weak TIM1_TRG_COM_TIM11_IRQHandler
.thumb_set TIM1_TRG_COM_TIM11_IRQHandler,Default_Handler
#endif
.weak TIM1_CC_IRQHandler
.thumb_set TIM1_CC_IRQHandler,Default_Handler
@ -430,6 +539,19 @@ g_pfnVectors:
.weak RTC_Alarm_IRQHandler
.thumb_set RTC_Alarm_IRQHandler,Default_Handler
#if defined(MCU_SERIES_L4)
.weak DFSDM3_IRQHandler
.thumb_set DFSDM3_IRQHandler,Default_Handler
.weak TIM8_BRK_IRQHandler
.thumb_set TIM8_BRK_IRQHandler,Default_Handler
.weak TIM8_UP_IRQHandler
.thumb_set TIM8_UP_IRQHandler,Default_Handler
.weak TIM8_TRG_COM_IRQHandler
.thumb_set TIM8_TRG_COM_IRQHandler,Default_Handler
#else
.weak OTG_FS_WKUP_IRQHandler
.thumb_set OTG_FS_WKUP_IRQHandler,Default_Handler
@ -441,14 +563,20 @@ g_pfnVectors:
.weak TIM8_TRG_COM_TIM14_IRQHandler
.thumb_set TIM8_TRG_COM_TIM14_IRQHandler,Default_Handler
#endif
.weak TIM8_CC_IRQHandler
.thumb_set TIM8_CC_IRQHandler,Default_Handler
#if defined(MCU_SERIES_L4)
.weak ADC3_IRQHandler
.thumb_set ADC3_IRQHandler,Default_Handler
#else
.weak DMA1_Stream7_IRQHandler
.thumb_set DMA1_Stream7_IRQHandler,Default_Handler
#endif
#if defined(MCU_SERIES_F7)
#if defined(MCU_SERIES_F7) || defined(MCU_SERIES_L4)
.weak FMC_IRQHandler
.thumb_set FMC_IRQHandler,Default_Handler
@ -480,6 +608,40 @@ g_pfnVectors:
.weak TIM7_IRQHandler
.thumb_set TIM7_IRQHandler,Default_Handler
#if defined(MCU_SERIES_L4)
.weak DMA2_Channel1_IRQHandler
.thumb_set DMA2_Channel1_IRQHandler,Default_Handler
.weak DMA2_Channel2_IRQHandler
.thumb_set DMA2_Channel2_IRQHandler,Default_Handler
.weak DMA2_Channel3_IRQHandler
.thumb_set DMA2_Channel3_IRQHandler,Default_Handler
.weak DMA2_Channel4_IRQHandler
.thumb_set DMA2_Channel4_IRQHandler,Default_Handler
.weak DMA2_Channel5_IRQHandler
.thumb_set DMA2_Channel5_IRQHandler,Default_Handler
.weak DFSDM0_IRQHandler
.thumb_set DFSDM0_IRQHandler,Default_Handler
.weak DFSDM1_IRQHandler
.thumb_set DFSDM1_IRQHandler,Default_Handler
.weak DFSDM2_IRQHandler
.thumb_set DFSDM2_IRQHandler,Default_Handler
.weak COMP_IRQHandler
.thumb_set COMP_IRQHandler,Default_Handler
.weak LPTIM1_IRQHandler
.thumb_set LPTIM1_IRQHandler,Default_Handler
.weak LPTIM2_IRQHandler
.thumb_set LPTIM2_IRQHandler,Default_Handler
#else
.weak DMA2_Stream0_IRQHandler
.thumb_set DMA2_Stream0_IRQHandler,Default_Handler
@ -512,10 +674,24 @@ g_pfnVectors:
.weak CAN2_SCE_IRQHandler
.thumb_set CAN2_SCE_IRQHandler,Default_Handler
#endif
.weak OTG_FS_IRQHandler
.thumb_set OTG_FS_IRQHandler,Default_Handler
#if defined(MCU_SERIES_L4)
.weak DMA2_Channel6_IRQHandler
.thumb_set DMA2_Channel6_IRQHandler,Default_Handler
.weak DMA2_Channel7_IRQHandler
.thumb_set DMA2_Channel7_IRQHandler,Default_Handler
.weak LPUART1_IRQHandler
.thumb_set LPUART1_IRQHandler,Default_Handler
.weak QUADSPI_IRQHandler
.thumb_set QUADSPI_IRQHandler,Default_Handler
#else
.weak DMA2_Stream5_IRQHandler
.thumb_set DMA2_Stream5_IRQHandler,Default_Handler
@ -527,6 +703,7 @@ g_pfnVectors:
.weak USART6_IRQHandler
.thumb_set USART6_IRQHandler,Default_Handler
#endif
.weak I2C3_EV_IRQHandler
.thumb_set I2C3_EV_IRQHandler,Default_Handler
@ -534,6 +711,25 @@ g_pfnVectors:
.weak I2C3_ER_IRQHandler
.thumb_set I2C3_ER_IRQHandler,Default_Handler
#if defined(MCU_SERIES_L4)
.weak SAI1_IRQHandler
.thumb_set SAI1_IRQHandler,Default_Handler
.weak SAI2_IRQHandler
.thumb_set SAI2_IRQHandler,Default_Handler
.weak SWPMI1_IRQHandler
.thumb_set SWPMI1_IRQHandler,Default_Handler
.weak TSC_IRQHandler
.thumb_set TSC_IRQHandler,Default_Handler
.weak LCD_IRQHandler
.thumb_set LCD_IRQHandler,Default_Handler
.weak RNG_IRQHandler
.thumb_set RNG_IRQHandler,Default_Handler
#else
.weak OTG_HS_EP1_OUT_IRQHandler
.thumb_set OTG_HS_EP1_OUT_IRQHandler,Default_Handler
@ -551,6 +747,7 @@ g_pfnVectors:
.weak HASH_RNG_IRQHandler
.thumb_set HASH_RNG_IRQHandler,Default_Handler
#endif
.weak FPU_IRQHandler
.thumb_set FPU_IRQHandler,Default_Handler

41
stmhal/stm32_it.c
View File

@ -477,6 +477,14 @@ void PVD_IRQHandler(void) {
IRQ_EXIT(PVD_IRQn);
}
#if defined(MCU_SERIES_L4)
void PVD_PVM_IRQHandler(void) {
IRQ_ENTER(PVD_PVM_IRQn);
Handle_EXTI_Irq(EXTI_PVD_OUTPUT);
IRQ_EXIT(PVD_PVM_IRQn);
}
#endif
void RTC_Alarm_IRQHandler(void) {
IRQ_ENTER(RTC_Alarm_IRQn);
Handle_EXTI_Irq(EXTI_RTC_ALARM);
@ -510,6 +518,14 @@ void TIM1_BRK_TIM9_IRQHandler(void) {
IRQ_EXIT(TIM1_BRK_TIM9_IRQn);
}
#if defined(MCU_SERIES_L4)
void TIM1_BRK_TIM15_IRQHandler(void) {
IRQ_ENTER(TIM1_BRK_TIM15_IRQn);
timer_irq_handler(15);
IRQ_EXIT(TIM1_BRK_TIM15_IRQn);
}
#endif
void TIM1_UP_TIM10_IRQHandler(void) {
IRQ_ENTER(TIM1_UP_TIM10_IRQn);
timer_irq_handler(1);
@ -517,12 +533,29 @@ void TIM1_UP_TIM10_IRQHandler(void) {
IRQ_EXIT(TIM1_UP_TIM10_IRQn);
}
#if defined(MCU_SERIES_L4)
void TIM1_UP_TIM16_IRQHandler(void) {
IRQ_ENTER(TIM1_UP_TIM16_IRQn);
timer_irq_handler(1);
timer_irq_handler(16);
IRQ_EXIT(TIM1_UP_TIM16_IRQn);
}
#endif
void TIM1_TRG_COM_TIM11_IRQHandler(void) {
IRQ_ENTER(TIM1_TRG_COM_TIM11_IRQn);
timer_irq_handler(11);
IRQ_EXIT(TIM1_TRG_COM_TIM11_IRQn);
}
#if defined(MCU_SERIES_L4)
void TIM1_TRG_COM_TIM17_IRQHandler(void) {
IRQ_ENTER(TIM1_TRG_COM_TIM17_IRQn);
timer_irq_handler(17);
IRQ_EXIT(TIM1_TRG_COM_TIM17_IRQn);
}
#endif
void TIM2_IRQHandler(void) {
IRQ_ENTER(TIM2_IRQn);
timer_irq_handler(2);
@ -573,6 +606,14 @@ void TIM8_UP_TIM13_IRQHandler(void) {
IRQ_EXIT(TIM8_UP_TIM13_IRQn);
}
#if defined(MCU_SERIES_L4)
void TIM8_UP_IRQHandler(void) {
IRQ_ENTER(TIM8_UP_IRQn);
timer_irq_handler(8);
IRQ_EXIT(TIM8_UP_IRQn);
}
#endif
void TIM8_TRG_COM_TIM14_IRQHandler(void) {
IRQ_ENTER(TIM8_TRG_COM_TIM14_IRQn);
timer_irq_handler(14);

140
stmhal/system_stm32.c
View File

@ -108,6 +108,30 @@ void __fatal_error(const char *msg);
* @{
*/
#if defined(MCU_SERIES_F4) || defined(MCU_SERIES_F7)
#define CONFIG_RCC_CR_1ST (RCC_CR_HSION)
#define CONFIG_RCC_CR_2ND (RCC_CR_HSEON || RCC_CR_CSSON || RCC_CR_PLLON)
#define CONFIG_RCC_PLLCFGR (0x24003010)
#elif defined(MCU_SERIES_L4)
#define CONFIG_RCC_CR_1ST (RCC_CR_MSION)
#define CONFIG_RCC_CR_2ND (RCC_CR_HSEON || RCC_CR_CSSON || RCC_CR_HSION || RCC_CR_PLLON)
#define CONFIG_RCC_PLLCFGR (0x00001000)
/*
* FIXME Do not know why I have to define these arrays here! they should be defined in the
* hal_rcc-file!!
*
*/
const uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
const uint8_t APBPrescTable[8] = {0, 0, 0, 0, 1, 2, 3, 4};
const uint32_t MSIRangeTable[12] = {100000, 200000, 400000, 800000, 1000000, 2000000, \
4000000, 8000000, 16000000, 24000000, 32000000, 48000000};
#else
#error Unknown processor
#endif
/************************* Miscellaneous Configuration ************************/
/*!< Uncomment the following line if you need to relocate your vector Table in
@ -172,23 +196,28 @@ void SystemInit(void)
SCB->CPACR |= ((3UL << 10*2)|(3UL << 11*2)); /* set CP10 and CP11 Full Access */
#endif
/* Reset the RCC clock configuration to the default reset state ------------*/
/* Set HSION bit */
RCC->CR |= (uint32_t)0x00000001;
RCC->CR |= CONFIG_RCC_CR_1ST;
/* Reset CFGR register */
RCC->CFGR = 0x00000000;
/* Reset HSEON, CSSON and PLLON bits */
RCC->CR &= (uint32_t)0xFEF6FFFF;
RCC->CR &= ~ CONFIG_RCC_CR_2ND;
/* Reset PLLCFGR register */
RCC->PLLCFGR = 0x24003010;
RCC->PLLCFGR = CONFIG_RCC_PLLCFGR;
/* Reset HSEBYP bit */
RCC->CR &= (uint32_t)0xFFFBFFFF;
/* Disable all interrupts */
#if defined(MCU_SERIES_F4) || defined(MCU_SERIES_F7)
RCC->CIR = 0x00000000;
#elif defined(MCU_SERIES_L4)
RCC->CIER = 0x00000000;
#endif
/* Configure the Vector Table location add offset address ------------------*/
#ifdef VECT_TAB_SRAM
@ -204,7 +233,8 @@ void SystemInit(void)
/**
* @brief System Clock Configuration
* The system Clock is configured as follow :
*
* The system Clock is configured for F4/F7 as follows:
* System Clock source = PLL (HSE)
* SYSCLK(Hz) = 168000000
* HCLK(Hz) = 168000000
@ -219,15 +249,39 @@ void SystemInit(void)
* VDD(V) = 3.3
* Main regulator output voltage = Scale1 mode
* Flash Latency(WS) = 5
*
* The system Clock is configured for L4 as follows:
* System Clock source = PLL (MSI)
* SYSCLK(Hz) = 80000000
* HCLK(Hz) = 80000000
* AHB Prescaler = 1
* APB1 Prescaler = 1
* APB2 Prescaler = 1
* MSI Frequency(Hz) = MSI_VALUE (4000000)
* LSE Frequency(Hz) = 32768
* PLL_M = 1
* PLL_N = 40
* PLL_P = 7
* PLL_Q = 2
* PLL_R = 2 <= This is the source for SysClk, not as on F4/7 PLL_P
* Flash Latency(WS) = 4
* @param None
* @retval None
*
* PLL is configured as follows:
*
* VCO_IN = HSE / M
* VCO_OUT = HSE / M * N
* PLLCLK = HSE / M * N / P
* PLL48CK = HSE / M * N / Q
* VCO_IN
* F4/F7 = HSE / M
* L4 = MSI / M
* VCO_OUT
* F4/F7 = HSE / M * N
* L4 = MSI / M * N
* PLLCLK
* F4/F7 = HSE / M * N / P
* L4 = MSI / M * N / R
* PLL48CK
* F4/F7 = HSE / M * N / Q
* L4 = MSI / M * N / Q USB Clock is obtained over PLLSAI1
*
* SYSCLK = PLLCLK
* HCLK = SYSCLK / AHB_PRESC
@ -261,6 +315,7 @@ void SystemClock_Config(void)
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
#if defined(MCU_SERIES_F4) || defined(MCU_SERIES_F7)
/* Enable Power Control clock */
__PWR_CLK_ENABLE();
@ -268,12 +323,29 @@ void SystemClock_Config(void)
clocked below the maximum system frequency, to update the voltage scaling value
regarding system frequency refer to product datasheet. */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
#elif defined(MCU_SERIES_L4)
/* Enable the LSE Oscillator */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
__fatal_error("HAL_RCC_OscConfig");
}
#endif
/* Enable HSE Oscillator and activate PLL with HSE as source */
#if defined(MCU_SERIES_F4) || defined(MCU_SERIES_F7)
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
#elif defined(MCU_SERIES_L4)
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE|RCC_OSCILLATORTYPE_MSI;
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
#endif
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
clocks dividers */
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
@ -282,6 +354,8 @@ void SystemClock_Config(void)
#if defined(MICROPY_HW_CLK_LAST_FREQ) && MICROPY_HW_CLK_LAST_FREQ
#if defined(MCU_SERIES_F7)
#define FREQ_BKP BKP31R
#elif defined(MCU_SERIES_L4)
#error Unsupported Processor
#else
#define FREQ_BKP BKP19R
#endif
@ -319,15 +393,23 @@ void SystemClock_Config(void)
RCC_ClkInitStruct.AHBCLKDivider = h; //RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = b1; //RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = b2; //RCC_HCLK_DIV2;
#else
#else // defined(MICROPY_HW_CLK_LAST_FREQ) && MICROPY_HW_CLK_LAST_FREQ
RCC_OscInitStruct.PLL.PLLM = MICROPY_HW_CLK_PLLM;
RCC_OscInitStruct.PLL.PLLN = MICROPY_HW_CLK_PLLN;
RCC_OscInitStruct.PLL.PLLP = MICROPY_HW_CLK_PLLP;
RCC_OscInitStruct.PLL.PLLQ = MICROPY_HW_CLK_PLLQ;
#if defined(MCU_SERIES_L4)
RCC_OscInitStruct.PLL.PLLR = MICROPY_HW_CLK_PLLR;
#endif
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
#if defined(MCU_SERIES_F4) || defined(MCU_SERIES_F7)
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
#elif defined(MCU_SERIES_L4)
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
#endif
#endif
if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
@ -358,6 +440,44 @@ void SystemClock_Config(void)
RCC->DCKCFGR2 = 0;
#endif
#if defined(MCU_SERIES_L4)
// Enable MSI-Hardware auto calibration mode with LSE
HAL_RCCEx_EnableMSIPLLMode();
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SAI1|RCC_PERIPHCLK_I2C1
|RCC_PERIPHCLK_USB |RCC_PERIPHCLK_ADC
|RCC_PERIPHCLK_RNG |RCC_PERIPHCLK_RTC;
PeriphClkInitStruct.I2c1ClockSelection = RCC_I2C1CLKSOURCE_PCLK1;
/* PLLSAI is used to clock USB, ADC, I2C1 and RNG. The frequency is
HSE(8MHz)/PLLM(2)*PLLSAI1N(24)/PLLSAIQ(2) = 48MHz. See the STM32CubeMx
application or the reference manual. */
PeriphClkInitStruct.Sai1ClockSelection = RCC_SAI1CLKSOURCE_PLLSAI1;
PeriphClkInitStruct.AdcClockSelection = RCC_ADCCLKSOURCE_PLLSAI1;
PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_PLLSAI1;
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
PeriphClkInitStruct.RngClockSelection = RCC_RNGCLKSOURCE_PLLSAI1;
PeriphClkInitStruct.PLLSAI1.PLLSAI1N = 24;
PeriphClkInitStruct.PLLSAI1.PLLSAI1P = RCC_PLLP_DIV7;
PeriphClkInitStruct.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV2;
PeriphClkInitStruct.PLLSAI1.PLLSAI1R = RCC_PLLR_DIV2;
PeriphClkInitStruct.PLLSAI1.PLLSAI1ClockOut = RCC_PLLSAI1_SAI1CLK
|RCC_PLLSAI1_48M2CLK
|RCC_PLLSAI1_ADC1CLK;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
{
__fatal_error("HAL_RCCEx_PeriphCLKConfig");
}
__PWR_CLK_ENABLE();
HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
#endif
}
void HAL_MspInit(void) {