多路ad转换。。。。。。。。。出问题了

lili8899 · 发表于 2016-7-19 10:40:27

#include "sys.h"
#include "ADC.h"
vu16 ADC_ConvertedValue[Sample_Num][Channel_Num];
void ADC_DMA_Config(void)
{
DMA_InitTypeDef DMA_InitStructure;

RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC1->DR;
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_ConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = Sample_Num*Channel_Num;
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_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_Cmd(DMA1_Channel1,ENABLE);
}
void ADC1_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
ADC_InitTypeDef ADC_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOC, &GPIO_InitStructure);
ADC_DMA_Config();

RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
// ADC_DeInit(ADC1);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;//ADC1?ADC2???????
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 = 2;//????
ADC_Init(ADC1, &ADC_InitStructure);
// ADC_TempSensorVrefintCmd(ENABLE);//?????????

RCC_ADCCLKConfig(RCC_PCLK2_Div6); //PCLK 6??
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_239Cycles5);//??,????,????
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 2, ADC_SampleTime_239Cycles5);
ADC_DMACmd(ADC1, ENABLE);

ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);//????
while(ADC_GetCalibrationStatus(ADC1));
ADC_SoftwareStartConvCmd(ADC1, ENABLE);//??ADC?????????
}
uint16_t ReadADCAverageValue(uint16_t Channel)
{
uint8_t i;
uint32_t sum = 0;
for(i=0; i<Sample_Num; i++)
{
sum+=ADC_ConvertedValue[i][Channel];
}
return (sum/Sample_Num);
}
不知道哪里错了，一直编译不成功