__IO uint16_t ADCConvertedValue[4];//轉換的4通道AD值
DMA_InitStructure.DMA_BufferSize = 4;//數據長度爲4
ADC_InitStructure.ADC_NbrOfChannel = 4;//轉換的ADC通道的數目爲
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_7Cycles5); //ADC1通道2轉換順序爲1,採樣時間爲7.5個週期
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 2, ADC_SampleTime_55Cycles5);//ADC1通道3轉換順序爲2,採樣時間爲55.5個週期
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 3, ADC_SampleTime_55Cycles5);//ADC1通道8
ADC_RegularChannelConfig(ADC1, ADC_Channel_9, 4, ADC_SampleTime_55Cycles5);//ADC1通道9
ADC配置時,這幾個參數必須匹配!否則ADCConvertedValue數組中的值會跳動!