#include?“stm32f2xx.h“
#include?“ADC.h“
#include?
vu16?AD_Value[N][8]?;??//DMA傳輸?shù)刂?br/>//?vu16?AD_Value[8]?;??//DMA傳輸?shù)刂?br/>vu16?Filter[8]?;
float?Voltage[8];

void?ADC3_DMA_Configuration（void）
{
??ADC_InitTypeDef????????????????ADC_InitStructure;
??ADC_CommonInitTypeDef????ADC_CommonInitStructure;
??DMA_InitTypeDef???????????????DMA_InitStructure;
??GPIO_InitTypeDef??????????????GPIO_InitStructure;
??
??/*?Enable?ADC3?DMA2?and?GPIO?clocks?****************************************/
??RCC_AHB1PeriphClockCmd（RCC_AHB1Periph_DMA2?|?RCC_AHB1Periph_GPIOF?ENABLE）;
??RCC_APB2PeriphClockCmd（RCC_APB2Periph_ADC3?ENABLE）;


??/*?DMA2?Stream0?channel2?configuration?**************************************/
??DMA_InitStructure.DMA_Channel?=?DMA_Channel_2;??
??DMA_InitStructure.DMA_PeripheralbaseAddr?=?（uint32_t）ADC3_DR_ADDRESS;//（u32）&ADC3->DR;//?//DMA外設(shè)ADC基地址
??DMA_InitStructure.DMA_Memory0baseAddr?=?（uint32_t）&AD_Value;//ADC3ConvertedValue;//（u32）&AD_Value;?//DMA內(nèi)存基地址
??DMA_InitStructure.DMA_DIR?=?DMA_DIR_PeripheralToMemory;//DMA_DIR_PeripheralSRC;?//內(nèi)存作為數(shù)據(jù)傳輸?shù)哪康牡?br/>??DMA_InitStructure.DMA_BufferSize?=?N*8;//N*M;?//DMA通道的DMA緩存的大小
??DMA_InitStructure.DMA_PeripheralInc?=?DMA_PeripheralInc_Disable;//?DMA_PeripheralInc_Disable;?//外設(shè)地址寄存器不變
??DMA_InitStructure.DMA_MemoryInc?=?DMA_MemoryInc_Enable;//DMA_MemoryInc_Enable;?//內(nèi)存地址寄存器遞增
??DMA_InitStructure.DMA_PeripheralDataSize?=?DMA_PeripheralDataSize_HalfWord;///數(shù)據(jù)寬度為16位
??DMA_InitStructure.DMA_MemoryDataSize?=?DMA_MemoryDataSize_HalfWord;//數(shù)據(jù)寬度為16位
??DMA_InitStructure.DMA_Mode?=?DMA_Mode_Circular;//工作在循環(huán)緩存模式
??DMA_InitStructure.DMA_Priority?=?DMA_Priority_High;//DMA通道?x擁有高優(yōu)先級(jí)
??DMA_InitStructure.DMA_FIFOMode?=?DMA_FIFOMode_Disable;?????????
??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?ADC3?Channel7?pin?as?analog?input?******************************/
??GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_3?|?GPIO_Pin_4?|?GPIO_Pin_5?|?GPIO_Pin_6?|?GPIO_Pin_7?|?GPIO_Pin_8?|?GPIO_Pin_9?|?GPIO_Pin_10??;
??GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_AN;
??GPIO_InitStructure.GPIO_PuPd?=?GPIO_PuPd_DOWN?;
??GPIO_Init（GPIOF?&GPIO_InitStructure）;

??/*?ADC?Common?Init?**********************************************************/
??ADC_CommonInitStructure.ADC_Mode?=?ADC_Mode_Independent;
??ADC_CommonInitStructure.ADC_Prescaler?=?ADC_Prescaler_Div8;
??ADC_CommonInitStructure.ADC_DMAAccessMode?=?ADC_DMAAccessMode_1;
??ADC_CommonInitStructure.ADC_TwoSamplingDelay?=?ADC_TwoSamplingDelay_5Cycles;
??ADC_CommonInit（&ADC_CommonInitStructure）;

??/*?ADC3?Init?****************************************************************/
??ADC_InitStructure.ADC_Resolution?=?ADC_Resolution_12b;
??ADC_InitStructure.ADC_ScanConvMode?=?ENABLE;
??ADC_InitStructure.ADC_Conti

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????文件?????????363??2014-05-04?15:01??ADC.h
?????文件????????5021??2014-05-12?17:12??ADC.c