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.
69 lines
2.3 KiB
69 lines
2.3 KiB
/*
|
|
* 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_LSI | RCC_OSCILLATORTYPE_HSE
|
|
| RCC_OSCILLATORTYPE_LSE;
|
|
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
|
|
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
|
|
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
|
|
RCC_OscInitStruct.PLL.PLLM = 15;
|
|
RCC_OscInitStruct.PLL.PLLN = 216;
|
|
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
|
|
RCC_OscInitStruct.PLL.PLLQ = 8;
|
|
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
/**Activate the Over-Drive mode
|
|
*/
|
|
if (HAL_PWREx_EnableOverDrive() != 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_DIV4;
|
|
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
|
|
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC | RCC_PERIPHCLK_RTC;
|
|
PeriphClkInitStruct.PLLSAI.PLLSAIN = 60;
|
|
PeriphClkInitStruct.PLLSAI.PLLSAIR = 2;
|
|
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_2;
|
|
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
|
|
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
}
|
|
|