使用STM32h750进行DMA+ADC多通道采样并在串口显示采样值，结果显示三个通道采样值一直为0V

问题遇到的现象和发生背景

遇到这个问题后，觉得是DMA访问了无法访问到的地址，就改了数据的储存地址，但是结果还是为0。相关外设配置是在STM32 cube MX上操作的，ADC是用TIME6进行触发的，下面是我写的主程序及外设配置信息

#include "main.h"
#include "adc.h"
#include "dma.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include 
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
uint16_t ADC_Value[150];
uint8_t i;
uint32_t ad1,ad2,ad3;
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MPU_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
int fputc(int ch, FILE *f){
uint8_t temp[1] = {ch};
HAL_UART_Transmit(&huart2, temp, 1, 2);
return ch;
}
uint16_t ADC_Value[150] __attribute__((section(".ARM.__at_0x24000000")));
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MPU Configuration--------------------------------------------------------*/
  MPU_Config();

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_DMA_Init();
  MX_ADC1_Init();
  MX_USART2_UART_Init();
  MX_TIM6_Init();
  /* USER CODE BEGIN 2 */
//HAL_ADC_Start_IT(&hadc1);
HAL_ADC_Start_DMA(&hadc1,  (uint32_t*)&ADC_Value, 150);
HAL_TIM_Base_Start(&htim6);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  HAL_Delay(500);
for(i = 0,ad1 =0,ad2=0,ad3=0; i < 150;){
ad1 += ADC_Value[i++];
ad2 += ADC_Value[i++];
ad3 += ADC_Value[i++];    
}
ad1 /= 50;
ad2 /= 50;
ad3 /= 50;
printf("\r\n********ADC-DMA-Example********\r\n");
printf("[\tmain]info:AD1_value=%1.3fV\r\n", ad1*3.3f/65536);
printf("[\tmain]info:AD2_value=%1.3fV\r\n", ad2*3.3f/65536);
printf("[\tmain]info:AD3_value=%1.3fV\r\n", ad2*3.3f/65536);
    }
  /* USER CODE END 3 */
}
![img](https://img-mid.csdnimg.cn/release/static/image/mid/ask/709395247856150.png "#left")

![img](https://img-mid.csdnimg.cn/release/static/image/mid/ask/407707147856157.png "#left")

![img](https://img-mid.csdnimg.cn/release/static/image/mid/ask/330206247856137.png "#left")

![img](https://img-mid.csdnimg.cn/release/static/image/mid/ask/933416247856171.png "#left")

![img](https://img-mid.csdnimg.cn/release/static/image/mid/ask/42402624785610.png "#left")

![img](https://img-mid.csdnimg.cn/release/static/image/mid/ask/413426247856115.png "#left")

最下面的几个链接复制打开，就可以看到具体的配置

看看这几个网页截图配置

没看到cubemx的配置
建议
断点调试
1，调试时，查看adc1的DR寄存器值 数据是否有值（检查ADC功能是否正常）
2，adc1 DR寄存器值正确的前提下，检查数据是否已经到了ADC_Value中去了（检查DMA功能是否正常）