回复【20楼】dongbaohui:
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这是设置ADC
void ADCChannel_Init(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOC|RCC_APB2Periph_ADC1,ENABLE);

//设置引脚
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AIN;//模拟输入
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC,&GPIO_InitStructure);//PC0 C1 C2 PC3 C4

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
GPIO_Init(GPIOA,&GPIO_InitStructure);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_Init(GPIOB,&GPIO_InitStructure);


//设置ADC1
ADC_DeInit(ADC1);//复位ADC1，ADC1的所有寄存器恢复缺省值
RCC_ADCCLKConfig(RCC_PCLK2_Div6);//设置六分频
ADC_InitStructure.ADC_Mode=ADC_Mode_Independent;//ADC独立模式
ADC_InitStructure.ADC_ScanConvMode= ENABLE;//扫描模式
ADC_InitStructure.ADC_ContinuousConvMode=ENABLE;//连续
ADC_InitStructure.ADC_ExternalTrigConv=ADC_ExternalTrigConv_None;//转换由软件启动
ADC_InitStructure.ADC_DataAlign=ADC_DataAlign_Right;//转换数据保存时右边对其
ADC_InitStructure.ADC_NbrOfChannel=15;//顺序进行规制转换的ADC通道的数目
ADC_Init(ADC1,&ADC_InitStructure);
ADC_RegularChannelConfig(ADC1,ADC_Channel_0,1,ADC_SampleTime_239Cycles5);//ADC1,通道0，采样顺序为1，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_1,2,ADC_SampleTime_239Cycles5);//ADC1,通道1，采样顺序为2，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_2,3,ADC_SampleTime_239Cycles5);//ADC1,通道2，采样顺序为3，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_3,4,ADC_SampleTime_239Cycles5);//ADC1,通道3，采样顺序为4，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_4,5,ADC_SampleTime_239Cycles5);//ADC1,通道4，采样顺序为5，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_5,6,ADC_SampleTime_239Cycles5);//ADC1,通道5，采样顺序为6，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_6,7,ADC_SampleTime_239Cycles5);//ADC1,通道6，采样顺序为7，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_7,8,ADC_SampleTime_239Cycles5);//ADC1,通道7，采样顺序为8，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_8,9,ADC_SampleTime_239Cycles5);//ADC1,通道10，采样顺序为11，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_10,10,ADC_SampleTime_239Cycles5);//ADC1,通道10，采样顺序为11，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_11,11,ADC_SampleTime_239Cycles5);//ADC1,通道11，采样顺序为12，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_12,12,ADC_SampleTime_239Cycles5);//ADC1,通道12，采样顺序为13，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_13,13,ADC_SampleTime_239Cycles5);//ADC1,通道13，采样顺序为14，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_14,14,ADC_SampleTime_239Cycles5);//ADC1,通道14，采样顺序为15，采样周期239.5
ADC_RegularChannelConfig(ADC1,ADC_Channel_15,15,ADC_SampleTime_239Cycles5);//ADC1,通道15，采样顺序为16，采样周期239.5
//ADC_ITConfig(ADC1, ADC_IT_EOC, ENABLE);

ADC_Cmd(ADC1,ENABLE);//使能ADC
ADC_ResetCalibration(ADC1);//开启复位校准
while(ADC_GetResetCalibrationStatus(ADC1));//等待复位校准结束
ADC_StartCalibration(ADC1);//开启ADC校准
while(ADC_GetCalibrationStatus(ADC1));//等待ADC校准结束
}

 
void ADCChannel3_Init(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF|RCC_APB2Periph_ADC3,ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AIN;//模拟输入
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOF,&GPIO_InitStructure);

ADC_DeInit(ADC3);//复位ADC1，ADC1的所有寄存器恢复缺省值
RCC_ADCCLKConfig(RCC_PCLK2_Div6);//设置六分频
ADC_InitStructure.ADC_Mode=ADC_Mode_Independent;//ADC独立模式
ADC_InitStructure.ADC_ScanConvMode= DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode=ENABLE;//连续换
ADC_InitStructure.ADC_ExternalTrigConv=ADC_ExternalTrigConv_None;//转换由软件启动
ADC_InitStructure.ADC_DataAlign=ADC_DataAlign_Right;//转换数据保存时右边对其
ADC_InitStructure.ADC_NbrOfChannel=1;//顺序进行规制转换的ADC通道的数目
ADC_Init(ADC3,&ADC_InitStructure);
ADC_RegularChannelConfig(ADC3,ADC_Channel_4,1,ADC_SampleTime_239Cycles5);//ADC1,通道0，采样顺序为1，采样周期239.5

NVIC_InitStructure.NVIC_IRQChannel= ADC3_IRQn;                                                               //ADC1,ADC2全局中断
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;//先占优先级0
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;   //从优先级
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
ADC_ITConfig(ADC3,ADC_IT_EOC,ENABLE);

ADC_Cmd(ADC3,ENABLE);//使能ADC
ADC_ResetCalibration(ADC3);//开启复位校准
while(ADC_GetResetCalibrationStatus(ADC3));//等待复位校准结束
ADC_StartCalibration(ADC3);//开启ADC校准
while(ADC_GetCalibrationStatus(ADC3));//等待ADC校准结束  
}

void ADC3_IRQHandler(void)
{
if(ADC_GetITStatus(ADC3, ADC_IT_EOC))
{
ADC1_Value[15] = ADC_GetConversionValue(ADC3);
ADC_ClearITPendingBit(ADC3, ADC_IT_EOC); 
}
}
这是设置DMA：
void MyDMA2_Init(void)
{
DMA_InitTypeDef DMA_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1,ENABLE);

DMA_DeInit(DMA1_Channel1);

DMA_InitStructure.DMA_PeripheralBaseAddr=(u32)&ADC1->DR;//外设基地址
DMA_InitStructure.DMA_MemoryBaseAddr=(u32)ADC1_Value;//内存基地址
DMA_InitStructure.DMA_DIR=DMA_DIR_PeripheralSRC;//外设通过DMA向内存存入数据
DMA_InitStructure.DMA_BufferSize=15;//一次DMA传输数据大小（DMA通道缓存）
DMA_InitStructure.DMA_PeripheralInc=DMA_PeripheralInc_Disable;//外设地址不自增
DMA_InitStructure.DMA_MemoryInc=DMA_MemoryInc_Enable;//内存地址自增
DMA_InitStructure.DMA_PeripheralDataSize=DMA_PeripheralDataSize_HalfWord;//外设数据位宽16位(AD转换数据为16位)
DMA_InitStructure.DMA_MemoryDataSize=DMA_MemoryDataSize_HalfWord;//内存数据位宽16位
DMA_InitStructure.DMA_Mode=DMA_Mode_Circular;//循环DMA模式（适合ADC扫描类）
DMA_InitStructure.DMA_Priority=DMA_Priority_High;//DMA通道优先级高
DMA_InitStructure.DMA_M2M=DMA_M2M_Disable;
DMA_Init(DMA1_Channel1,&DMA_InitStructure);//初始化DMA1_Channel1

NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
NVIC_InitStructure.NVIC_IRQChannel=DMA1_Channel1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority=1;
NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
NVIC_Init(&NVIC_InitStructure);
DMA_ITConfig(DMA1_Channel1,DMA_IT_TC,ENABLE);//DMA传输完成中断

DMA_Cmd(DMA1_Channel1,ENABLE); 

}