STM32H723：高性能应用的强力引擎与代码实践

#include "main.h"

#include "stm32h7xx_hal.h"



UART_HandleTypeDef huart3;

ADC_HandleTypeDef hadc1;



void SystemClock_Config(void);

static void MX_GPIO_Init(void);

static void MX_USART3_UART_Init(void);

static void MX_ADC1_Init(void);



int main(void)

{

    HAL_Init();

    SystemClock_Config();

    MX_GPIO_Init();

    MX_USART3_UART_Init();

    MX_ADC1_Init();



    char msg[50];

    uint32_t adcValue;



    while (1)

    {

        // 启动 ADC

        HAL_ADC_Start(&hadc1);

        if (HAL_ADC_PollForConversion(&hadc1, HAL_MAX_DELAY) == HAL_OK)

        {

            adcValue = HAL_ADC_GetValue(&hadc1);

            snprintf(msg, sizeof(msg), "ADC Value: %lu\r\n", adcValue);

            HAL_UART_Transmit(&huart3, (uint8_t*)msg, strlen(msg), HAL_MAX_DELAY);

        }

        HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_0); // 切换 LED 状态

        HAL_Delay(500); // 延迟 500 毫秒

    }

}



void SystemClock_Config(void)

{

    RCC_OscInitTypeDef RCC_OscInitStruct = {0};

    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};



    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;

    RCC_OscInitStruct.HSEState = RCC_HSE_ON;

    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;

    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;

    RCC_OscInitStruct.PLL.PLLM = 5;

    RCC_OscInitStruct.PLL.PLLN = 280;

    RCC_OscInitStruct.PLL.PLLP = 2;

    RCC_OscInitStruct.PLL.PLLQ = 2;

    RCC_OscInitStruct.PLL.PLLR = 2;

    HAL_RCC_OscConfig(&RCC_OscInitStruct);



    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_DIV2;

    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;

    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

    HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4);

}



static void MX_GPIO_Init(void)

{

    __HAL_RCC_GPIOB_CLK_ENABLE();

    GPIO_InitTypeDef GPIO_InitStruct = {0};



    GPIO_InitStruct.Pin = GPIO_PIN_0;

    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

    GPIO_InitStruct.Pull = GPIO_NOPULL;

    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

}



static void MX_USART3_UART_Init(void)

{

    huart3.Instance = USART3;

    huart3.Init.BaudRate = 115200;

    huart3.Init.WordLength = UART_WORDLENGTH_8B;

    huart3.Init.StopBits = UART_STOPBITS_1;

    huart3.Init.Parity = UART_PARITY_NONE;

    huart3.Init.Mode = UART_MODE_TX_RX;

    huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;

    huart3.Init.OverSampling = UART_OVERSAMPLING_16;

    HAL_UART_Init(&huart3);

}



static void MX_ADC1_Init(void)

{

    __HAL_RCC_ADC12_CLK_ENABLE();

    ADC_ChannelConfTypeDef sConfig = {0};



    hadc1.Instance = ADC1;

    hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4;

    hadc1.Init.Resolution = ADC_RESOLUTION_12B;

    hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;

    hadc1.Init.ContinuousConvMode = ENABLE;

    hadc1.Init.DiscontinuousConvMode = DISABLE;

    hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;

    hadc1.Init.NbrOfConversion = 1;

    HAL_ADC_Init(&hadc1);



    sConfig.Channel = ADC_CHANNEL_0;

    sConfig.Rank = 1;

    sConfig.SamplingTime = ADC_SAMPLETIME_2CYCLES_5;

    HAL_ADC_ConfigChannel(&hadc1, &sConfig);

}