其实12位的ADC设置成8位是很容易的

只看该作者 · 2022-7-12 20:09

只要你工程用cubeMX配置，那是相当的容易。

只看该作者 · 2022-7-12 20:10

如果没有安装这个包，还会自动下载。

只看该作者 · 2022-7-12 20:30

static void MX_ADC_Init(void)

{



  /* USER CODE BEGIN ADC_Init 0 */



  /* USER CODE END ADC_Init 0 */



  ADC_ChannelConfTypeDef sConfig = {0};



  /* USER CODE BEGIN ADC_Init 1 */



  /* USER CODE END ADC_Init 1 */

  /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)

  */

  hadc.Instance = ADC1;

  hadc.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;

  hadc.Init.Resolution = ADC_RESOLUTION_8B;

  hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;

  hadc.Init.ScanConvMode = ADC_SCAN_DIRECTION_FORWARD;

  hadc.Init.EOCSelection = ADC_EOC_SINGLE_CONV;

  hadc.Init.LowPowerAutoWait = DISABLE;

  hadc.Init.LowPowerAutoPowerOff = DISABLE;

  hadc.Init.ContinuousConvMode = DISABLE;

  hadc.Init.DiscontinuousConvMode = DISABLE;

  hadc.Init.ExternalTrigConv = ADC_SOFTWARE_START;

  hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;

  hadc.Init.DMAContinuousRequests = DISABLE;

  hadc.Init.Overrun = ADC_OVR_DATA_PRESERVED;

  if (HAL_ADC_Init(&hadc) != HAL_OK)

  {

    Error_Handler();

  }

  /** Configure for the selected ADC regular channel to be converted.

  */

  sConfig.Channel = ADC_CHANNEL_0;

  sConfig.Rank = ADC_RANK_CHANNEL_NUMBER;

  sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;

  if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN ADC_Init 2 */



  /* USER CODE END ADC_Init 2 */



}

只看该作者 · 2022-7-13 08:39

这个是很容易