备忘
有时候临时调一个外设做实验需要快速搭建工程的时候,老忘记配置的数据
再补一段代码格式的
void SystemClock_Config(void)
{RCC_OscInitTypeDef RCC_OscInitStruct = {0};RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};/** Supply configuration update enable*/HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);/** Configure the main internal regulator output voltage*/__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}/** Initializes the RCC Oscillators according to the specified parameters* in the RCC_OscInitTypeDef structure.*/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 = 5;RCC_OscInitStruct.PLL.PLLN = 192;RCC_OscInitStruct.PLL.PLLP = 2;RCC_OscInitStruct.PLL.PLLQ = 2;RCC_OscInitStruct.PLL.PLLR = 2;RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;RCC_OscInitStruct.PLL.PLLFRACN = 0;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_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK){Error_Handler();}}