[STM32L0] 请问如何配置STML0单片机多通道ADC采集呀

int main(void)



{



 /* USER CODE BEGIN 1 */



uint8_t value_L;



uint8_t value_H;



uint8_t i = 0;



 



 /* USER CODE END 1 */



 



 /* 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_ADC_Init();



 MX_USART2_UART_Init();



 /* USER CODE BEGIN 2 */



USART_SendData(USART2,"a");



USART_SendData(USART2,"a");



USART_SendData(USART2,"a");



//HAL_ADC_Start_DMA(&hadc, (uint32_t*)&uhADCxConvertedValue, 1);



 /* USER CODE END 2 */



 



 /* Infinite loop */



 /* USER CODE BEGIN WHILE */



 while (1)



 {



 



 /* USER CODE END WHILE */



 



 /* USER CODE BEGIN 3 */





for(i=0;i<2;i++)



{



HAL_ADC_Start(&hadc);



 



HAL_ADC_PollForConversion(&hadc,0xffff);//wait adc



 



uhADCxConvertedValue[i]=HAL_ADC_GetValue(&hadc);



 



//printf("------ch:%d--%d-------\r\n",i,adcBuf[i]);



value_H = (uhADCxConvertedValue[i] & 0xff00 ) >> 8;



value_L = (uhADCxConvertedValue[i] & 0x00ff );



LL_USART_TransmitData8(USART2, value_L);



LL_USART_TransmitData8(USART2, value_H);



}



HAL_ADC_Stop(&hadc);



LL_mDelay(1000);



 }



 /* USER CODE END 3 */



 



}



 



ADC init function is below



/* ADC init function */



void MX_ADC_Init(void)



{



 ADC_ChannelConfTypeDef sConfig;



 



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



  */



 hadc.Instance = ADC1;



 hadc.Init.OversamplingMode = DISABLE;



 hadc.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV1;



 hadc.Init.Resolution = ADC_RESOLUTION_12B;



 hadc.Init.SamplingTime = ADC_SAMPLETIME_79CYCLES_5;



 hadc.Init.ScanConvMode = ADC_SCAN_DIRECTION_FORWARD;



 hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;



 hadc.Init.ContinuousConvMode = DISABLE;



 hadc.Init.DiscontinuousConvMode = ENABLE;



 hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;



 hadc.Init.ExternalTrigConv = ADC_SOFTWARE_START;



 hadc.Init.DMAContinuousRequests = DISABLE;



 hadc.Init.EOCSelection = ADC_EOC_SINGLE_CONV;



 hadc.Init.Overrun = ADC_OVR_DATA_PRESERVED;



 hadc.Init.LowPowerAutoWait = DISABLE;



 hadc.Init.LowPowerFrequencyMode = DISABLE;



 hadc.Init.LowPowerAutoPowerOff = DISABLE;



 if (HAL_ADC_Init(&hadc) != HAL_OK)



 {



  _Error_Handler(__FILE__, __LINE__);



 }



 



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



  */



 sConfig.Channel = ADC_CHANNEL_0;



 sConfig.Rank = 0;



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



 {



  _Error_Handler(__FILE__, __LINE__);



 }



 



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



  */



 sConfig.Channel = ADC_CHANNEL_1;



 sConfig.Rank = 1;



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



 {



  _Error_Handler(__FILE__, __LINE__);



 }



 



}