86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2024-3-19 RuiXuan Zhang first version
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*/
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#include "board.h"
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void) {
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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/** Configure the main internal regulator output voltage
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*/
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if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK) {
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Error_Handler();
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}
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/** Configure LSE Drive Capability
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*/
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HAL_PWR_EnableBkUpAccess();
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__HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_LSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.LSEState = RCC_LSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 1;
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RCC_OscInitStruct.PLL.PLLN = 20;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
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RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
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RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
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| RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK) {
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Error_Handler();
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}
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}
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/**
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* @brief Peripherals Common Clock Configuration
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* @retval None
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*/
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void PeriphCommonClock_Config(void) {
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RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
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/** Initializes the peripherals clock
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*/
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_SDMMC1 | RCC_PERIPHCLK_ADC;
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PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_PLLSAI1;
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PeriphClkInit.Sdmmc1ClockSelection = RCC_SDMMC1CLKSOURCE_PLLSAI1;
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PeriphClkInit.PLLSAI1.PLLSAI1Source = RCC_PLLSOURCE_HSE;
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PeriphClkInit.PLLSAI1.PLLSAI1M = 1;
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PeriphClkInit.PLLSAI1.PLLSAI1N = 8;
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PeriphClkInit.PLLSAI1.PLLSAI1P = RCC_PLLP_DIV7;
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PeriphClkInit.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV2;
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PeriphClkInit.PLLSAI1.PLLSAI1R = RCC_PLLR_DIV2;
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PeriphClkInit.PLLSAI1.PLLSAI1ClockOut = RCC_PLLSAI1_48M2CLK | RCC_PLLSAI1_ADC1CLK;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) {
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Error_Handler();
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}
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}
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