You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
1.8 KiB
59 lines
1.8 KiB
5 months ago
|
/*
|
||
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
* 2018-11-06 SummerGift first version
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <board.h>
|
||
|
|
#include <drv_common.h>
|
||
|
|
|
||
|
|
void SystemClock_Config(void)
|
||
|
|
{
|
||
|
|
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
|
||
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
|
||
|
|
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
|
||
|
|
|
||
|
|
/**Configure the main internal regulator output voltage
|
||
|
|
*/
|
||
|
|
__HAL_RCC_PWR_CLK_ENABLE();
|
||
|
|
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
|
||
|
|
/**Initializes the CPU, AHB and APB busses clocks
|
||
|
|
*/
|
||
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
|
||
|
|
RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
|
||
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
||
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
|
||
|
|
RCC_OscInitStruct.PLL.PLLM = 8;
|
||
|
|
RCC_OscInitStruct.PLL.PLLN = 384;
|
||
|
|
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4;
|
||
|
|
RCC_OscInitStruct.PLL.PLLQ = 8;
|
||
|
|
RCC_OscInitStruct.PLL.PLLR = 2;
|
||
|
|
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_3) != HAL_OK)
|
||
|
|
{
|
||
|
|
Error_Handler();
|
||
|
|
}
|
||
|
|
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_CLK48;
|
||
|
|
PeriphClkInitStruct.Clk48ClockSelection = RCC_CLK48CLKSOURCE_PLLQ;
|
||
|
|
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
|
||
|
|
{
|
||
|
|
Error_Handler();
|
||
|
|
}
|
||
|
|
}
|