59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2018-11-06 balanceTWK first version
|
|
*/
|
|
|
|
#include <rtthread.h>
|
|
#include "board.h"
|
|
|
|
void SystemClock_Config(void)
|
|
{
|
|
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
|
|
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
|
|
|
|
/** Initializes the CPU, AHB and APB busses clocks
|
|
*/
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_HSE
|
|
|RCC_OSCILLATORTYPE_LSE;
|
|
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
|
|
RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
|
|
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
|
|
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
|
|
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
|
|
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
|
|
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
/** Initializes the CPU, AHB and APB busses clocks
|
|
*/
|
|
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|
|
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
|
|
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
|
|
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC|RCC_PERIPHCLK_ADC
|
|
|RCC_PERIPHCLK_USB;
|
|
PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
|
|
PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV4;
|
|
PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL;
|
|
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
}
|