67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
#include "clock_config.h"
|
|
|
|
#include "board.h"
|
|
#include "stm32h7xx_hal.h"
|
|
|
|
static void SystemClock_Config(void);
|
|
static void PeriphCommonClock_Config(void);
|
|
|
|
void BOARD_InitBootClocks(void) {
|
|
SystemClock_Config();
|
|
PeriphCommonClock_Config();
|
|
}
|
|
|
|
static void SystemClock_Config(void) {
|
|
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
|
|
|
|
/** Supply configuration update enable
|
|
*/
|
|
HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
|
|
|
|
/** Configure the main internal regulator output voltage
|
|
*/
|
|
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2);
|
|
|
|
while (!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {
|
|
}
|
|
|
|
/** Initializes the RCC Oscillators according to the specified parameters
|
|
* in the RCC_OscInitTypeDef structure.
|
|
*/
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
|
|
RCC_OscInitStruct.HSIState = RCC_HSI_DIV1;
|
|
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
|
|
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
|
|
Error_Handler();
|
|
}
|
|
|
|
/** Initializes the CPU, AHB and APB buses clocks
|
|
*/
|
|
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 |
|
|
RCC_CLOCKTYPE_PCLK2 | RCC_CLOCKTYPE_D3PCLK1 | RCC_CLOCKTYPE_D1PCLK1;
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
|
|
RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV1;
|
|
RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV1;
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV1;
|
|
RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV1;
|
|
RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV1;
|
|
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) {
|
|
Error_Handler();
|
|
}
|
|
}
|
|
|
|
static void PeriphCommonClock_Config(void) {
|
|
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
|
|
|
|
/** Initializes the peripherals clock
|
|
*/
|
|
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_CKPER;
|
|
PeriphClkInitStruct.CkperClockSelection = RCC_CLKPSOURCE_HSI;
|
|
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
|
|
Error_Handler();
|
|
}
|
|
} |