STM32H743 Arduino PlatformIO example: Read ADC with 16 bit resolution

#include <Arduino.h>
#include <stm32h7xx_hal.h>

ADC_HandleTypeDef hadc1;

static void MX_GPIO_Init(void)
{
    GPIO_InitTypeDef GPIO_InitStruct = {0};

    // Enable the GPIOA clock
    __HAL_RCC_GPIOA_CLK_ENABLE();

    /**ADC1 GPIO Configuration    
    PA7     ------> ADC1_IN7 
    */
    GPIO_InitStruct.Pin = GPIO_PIN_7;
    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
}

static void MX_ADC1_Init(void)
{
    ADC_ChannelConfTypeDef sConfig = {0};

    hadc1.Instance = ADC1;
    hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4;
    hadc1.Init.Resolution = ADC_RESOLUTION_16B;
    hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
    hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
    hadc1.Init.LowPowerAutoWait = DISABLE;
    hadc1.Init.ContinuousConvMode = DISABLE;
    hadc1.Init.NbrOfConversion = 1;
    hadc1.Init.DiscontinuousConvMode = DISABLE;
    hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
    hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
    //hadc1.Init.DMAContinuousRequests = DISABLE;
    hadc1.Init.Overrun = ADC_OVR_DATA_OVERWRITTEN;
    hadc1.Init.OversamplingMode = DISABLE;
    if (HAL_ADC_Init(&hadc1) != HAL_OK)
    {
        // Initialization Error
    }

    sConfig.Channel = ADC_CHANNEL_7;
    sConfig.Rank = ADC_REGULAR_RANK_1;
    sConfig.SamplingTime = ADC_SAMPLETIME_2CYCLES_5;
    sConfig.SingleDiff = ADC_SINGLE_ENDED;
    sConfig.OffsetNumber = ADC_OFFSET_NONE;
    sConfig.Offset = 0;
    if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
    {
        // Channel Configuration Error
    }
}

void setup() {
  HAL_Init();
  SystemClock_Config();
  MX_GPIO_Init();
  MX_ADC1_Init();

  Serial.begin(115200);

}

void loop() {
    HAL_ADC_Start(&hadc1); // Start ADC conversion
    HAL_ADC_PollForConversion(&hadc1, HAL_MAX_DELAY); // Wait for conversion to complete

    uint32_t adcValue = HAL_ADC_GetValue(&hadc1); // Read the ADC converted value
    Serial.printf("ADC value: %04X\n", adcValue);
}

[env:nucleo_h743zi]
platform = ststm32
board = nucleo_h743zi
framework = arduino
monitor_speed = 115200