Question

我必须测量7个ADC通道。 dma和adc 1连续测量4个通道，其中3个在特殊时刻测量非常重要。我想通过注入通道adc2确保此通道。我的代码如下，但是我无法测量adc2中的注入通道和adc1中的常规通道。

#include "adc_mss.h"





uint16_t ADC_ConvertedValue[4];

void ADC1_GPIO_Config(void)
{
    GPIO_InitTypeDef GPIO_InitStructure;    
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);   
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);   

    // GPIO Init for DC_Current & DC_Bus
  GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_0|GPIO_Pin_1;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;         
  GPIO_Init(GPIOA, &GPIO_InitStructure);
//  
//  // GPIO Init for Temp & PFC_Bus
    GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_3|GPIO_Pin_4;
    GPIO_Init(GPIOC, &GPIO_InitStructure);


    // GPIO Init for BEMF_U & BEMF_V & BEMF_W in Injected mode
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2;
    GPIO_Init(GPIOC, &GPIO_InitStructure);
}


void DMA1_Mode_Config(void)
{
    DMA_InitTypeDef DMA_InitStructure;
    //  NVIC_InitTypeDef NVIC_InitStructure;

    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); //Ê¹ÄÜMDA1Ê±ÖÓ
    /* DMA channel1 configuration */
    DMA_DeInit(DMA1_Channel1);  ///reset DMA1 channe1 to default values;

    //channel will be used for memory to memory transfer
    DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
    //setting normal mode ( circular)
    DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
    //medium priority
    DMA_InitStructure.DMA_Priority = DMA_Priority_High;

    //source and destination data size word=32bit
    DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
    DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;

    //automatic memory destination increment enable.
    DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; 
    //source address increment disable
    DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
    //Location assigned to peripheral register will be source
    DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;  


    //chunk of data to be transfered
    DMA_InitStructure.DMA_BufferSize = 4;
    //source and destination start addresses
    DMA_InitStructure.DMA_PeripheralBaseAddr =  (uint32_t)&ADC1->DR;;
    DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t) &ADC_ConvertedValue;

    //send values to DMA registers
    DMA_Init(DMA1_Channel1, &DMA_InitStructure);

    DMA_Cmd(DMA1_Channel1, ENABLE);
}


 void ADC1_Mode_Config(void)
{

  ADC_InitTypeDef ADC_InitStructure;    


  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);



    ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult;                                        

    ADC_InitStructure.ADC_ScanConvMode = ENABLE;                                                    
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;                                        
  ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;       
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;                                
  ADC_InitStructure.ADC_NbrOfChannel = 4;                                                               
  ADC_Init(ADC1, &ADC_InitStructure);                                                                       



    ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_1Cycles5);
    ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 2, ADC_SampleTime_41Cycles5);
    ADC_RegularChannelConfig(ADC1, ADC_Channel_13, 3, ADC_SampleTime_41Cycles5);
    ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 4, ADC_SampleTime_41Cycles5);




  ADC_DMACmd(ADC1, ENABLE);  //Ê¹ÄÜADCµÄDMA




  ADC_Cmd(ADC1, ENABLE); //Ê¹ÄÜADC1


  ADC_ResetCalibration(ADC1);

  while(ADC_GetResetCalibrationStatus(ADC1));


  ADC_StartCalibration(ADC1);

  while(ADC_GetCalibrationStatus(ADC1));


  ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}





void ADC1_Init(void)
{
    ADC1_GPIO_Config();
    DMA1_Mode_Config();
    ADC1_Mode_Config();

}
void ADC2_Init_MSS(void)
{

    ADC_InitTypeDef ADC_InitStructure;  


  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);

  /* ADC1 configuration */

    ADC_InitStructure.ADC_Mode = ADC_Mode_InjecSimult;                                      

    ADC_InitStructure.ADC_ScanConvMode = ENABLE;                                                    
  ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;                                       
  ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;       
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;                                
  ADC_InitStructure.ADC_NbrOfChannel = 3;                                                               
  ADC_Init(ADC2, &ADC_InitStructure);                                                                       




        ADC_InjectedChannelConfig(ADC2,ADC_Channel_10,1,ADC_SampleTime_1Cycles5);
        ADC_InjectedChannelConfig(ADC2,ADC_Channel_11,2,ADC_SampleTime_1Cycles5);
        ADC_InjectedChannelConfig(ADC2,ADC_Channel_12,3,ADC_SampleTime_1Cycles5);
ADC_InjectedSequencerLengthConfig(ADC2,3);


ADC_InjectedSequencerLengthConfig(ADC2,3);








  ADC_ResetCalibration(ADC2);

  while(ADC_GetResetCalibrationStatus(ADC2));


  ADC_StartCalibration(ADC2);

  while(ADC_GetCalibrationStatus(ADC2));

 ADC_SoftwareStartConvCmd(ADC2, ENABLE);



}

注入的adc2通道与常规通道adc1 dma stm32f103组合

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