ADC DMA多通道采集配置程序，注意这里配置的顺序很重要，先配置DMA部分，再配置其他部分，否则ADC不工作。
__IO uint16_t ADCDualConvertedValue[4]; static void ADC1_DMA2Stream0IRQHandler(void); void ADCInit(void) { ADC_InitTypeDef ADC_InitStructure; DMA_InitTypeDef DMA_InitStructure; GPIO_InitTypeDef GPIO_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; /* Enable ADC1, DMA2 and GPIO clocks ****************************************/ RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOC, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE); /* DMA2 Stream0 channe0 configuration **************************************/ DMA_DeInit(DMA2_Stream0); DMA_InitStructure.DMA_Channel = DMA_Channel_0; DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADCDualConvertedValue; DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&(ADC1->DR); DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; DMA_InitStructure.DMA_BufferSize = 4; DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; DMA_InitStructure.DMA_Priority = DMA_Priority_High; DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;//DMA_FIFOMode_Enable; DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; DMA_Init(DMA2_Stream0, &DMA_InitStructure); DMA_Cmd(DMA2_Stream0, ENABLE); /* Configure ADC1 Channe0 pin as analog input ******************************/ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;// | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(GPIOC, &GPIO_InitStructure); /* ADC Common Init **********************************************************/ ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2; ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;//ADC_DMAAccessMode_1; ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles; ADC_CommonInit(&ADC_CommonInitStructure); /* ADC1 Init ****************************************************************/ ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; ADC_InitStructure.ADC_ScanConvMode = ENABLE; ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; ADC_InitStructure.ADC_NbrOfConversion = 4; ADC_Init(ADC1, &ADC_InitStructure); /* ADC1 regular channel configuration ******************************************/ ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_3Cycles); ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 2, ADC_SampleTime_3Cycles); ADC_RegularChannelConfig(ADC1, ADC_Channel_12, 3, ADC_SampleTime_3Cycles); ADC_RegularChannelConfig(ADC1, ADC_Channel_13, 4, ADC_SampleTime_3Cycles); /* Enable DMA request after last transfer (Single-ADC mode) */ ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE); /* Enable ADC3 DMA */ ADC_DMACmd(ADC1, ENABLE); /* Enable ADC3 */ ADC_Cmd(ADC1, ENABLE); ADC_SoftwareStartConv(ADC1); }