54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2006-2018, RT-Thread Development Team
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
* 2018-11-06 SummerGift 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};
|
||
|
|
|
||
|
|
/** 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_ON;
|
||
|
|
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
|
||
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
|
||
|
|
RCC_OscInitStruct.PLL2.PLL2State = 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_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
|
||
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
||
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
|
||
|
|
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
|
||
|
|
|
||
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
|
||
|
|
{
|
||
|
|
Error_Handler();
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Configure the Systick interrupt time
|
||
|
|
*/
|
||
|
|
__HAL_RCC_PLLI2S_ENABLE();
|
||
|
|
}
|