65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/*
|
|
* Copyright (c) 2006-2023, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2023-12-22 ChuShicheng first version
|
|
*/
|
|
|
|
#include "board.h"
|
|
|
|
/**
|
|
* @brief System Clock Configuration
|
|
* @retval None
|
|
*/
|
|
void SystemClock_Config(void)
|
|
{
|
|
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
|
|
|
|
/** Configure the main internal regulator output voltage
|
|
*/
|
|
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
|
|
|
|
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_HSI48|RCC_OSCILLATORTYPE_HSE;
|
|
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
|
|
RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLL1_SOURCE_HSE;
|
|
RCC_OscInitStruct.PLL.PLLM = 12;
|
|
RCC_OscInitStruct.PLL.PLLN = 250;
|
|
RCC_OscInitStruct.PLL.PLLP = 2;
|
|
RCC_OscInitStruct.PLL.PLLQ = 2;
|
|
RCC_OscInitStruct.PLL.PLLR = 2;
|
|
RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1_VCIRANGE_1;
|
|
RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1_VCORANGE_WIDE;
|
|
RCC_OscInitStruct.PLL.PLLFRACN = 0;
|
|
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_PCLK3;
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
|
|
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
|
|
RCC_ClkInitStruct.APB3CLKDivider = RCC_HCLK_DIV1;
|
|
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
}
|