STM32 ADC 規(guī)則多通道轉(zhuǎn)換

看了這個代碼之后終于明白了規(guī)則多通道轉(zhuǎn)是怎么回事，以及整體如何實現(xiàn)了。附代碼：

/*******************************************************************************
* Function Name : main
* Description : Main program
* Input : None
* Output : None
* Return : None
*******************************************************************************/
int main(void)
{
#ifdef DEBUG
debug();
#endif

/* System clocks configuration ---------------------------------------------*/
RCC_Configuration();

/* NVIC configuration ------------------------------------------------------*/
NVIC_Configuration();

/* GPIO configuration ------------------------------------------------------*/
GPIO_Configuration();

LcdShow_Init();

/* DMA1 channel1 configuration ----------------------------------------------*/
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;//外設(shè)地址
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)ADC_RCVTab;//內(nèi)存地址
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;//dma傳輸方向單向
DMA_InitStructure.DMA_BufferSize = 160;//設(shè)置DMA在傳輸時緩沖區(qū)的長度 word
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;//設(shè)置DMA的外設(shè)遞增模式，一個外設(shè)
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;//設(shè)置DMA的內(nèi)存遞增模式，
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;//外設(shè)數(shù)據(jù)字長
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;//內(nèi)存數(shù)據(jù)字長
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;//設(shè)置DMA的傳輸模式：連續(xù)不斷的循環(huán)模式
DMA_InitStructure.DMA_Priority = DMA_Priority_High;//設(shè)置DMA的優(yōu)先級別
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;//設(shè)置DMA的2個memory中的變量互相訪問
DMA_Init(DMA1_Channel1, &DMA_InitStructure);

/* Enable DMA1 channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);

/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;//獨立工作模式
ADC_InitStructure.ADC_ScanConvMode = ENABLE;//掃描方式
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;//連續(xù)轉(zhuǎn)換
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;//外部觸發(fā)禁止
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;//數(shù)據(jù)右對齊
ADC_InitStructure.ADC_NbrOfChannel = 8;//用于轉(zhuǎn)換的通道數(shù)
ADC_Init(ADC1, &ADC_InitStructure);

/* ADC1 regular channels configuration [規(guī)則模式通道配置]*/
ADC_RegularChannelConfig(ADC1, ADC_Channel_8 , 1, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_9 , 2, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 3, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 4, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_12, 5, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_13, 6, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 7, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_15, 8, ADC_SampleTime_239Cycles5);

/* Enable ADC1 DMA [使能ADC1 DMA]*/
ADC_DMACmd(ADC1, ENABLE);

/* Enable ADC1 [使能ADC1]*/
ADC_Cmd(ADC1, ENABLE);

/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));

/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));

/* Start ADC1 Software Conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);

}