#include "stm32f4xx.h"
#include "usart.h"
#include  "hmi_driver.h"
#include  "hmi_user_uart.h"
#include  "stm32f4xx_tim.h"
#include  "stm32f4xx_dac.h" //void GPIO_Configuration(void);
void Delay(__IO uint32_t nCount);
//void PWM_Config(void);
void TIMADC_Config(void);
void ADC1_CH6_DMA_Config(void);
void ADC3_DMA_Config(void);
void ADC12_DMA_Config(void);   #define ADC1_DR_Address    ((u32)0x4001204C)
#define ADC3_DR_ADDRESS     ((uint32_t)0x4001224C)
#define ADC_CDR_ADDRESS    ((uint32_t)0x40012308)
#define num 4000 __IO uint16_t ADC_ConvertedValue[num];
__IO uint32_t ADC12_ConvertedValue[num];
__IO uint32_t ADC3_ConvertedValue[num];
//__IO uint16_t abc = 0;
//u16 i=0;
unsigned char *xianshi;
int main(void)
{ int SS;
 
    USART_Configuration();//USART_NVIC_Config();
  ADC12_DMA_Config();
  ADC_SoftwareStartConv(ADC2);  
 while (1)
 {
   for (SS=0;SS<400;SS++)
   {
    printf("%d ",(ADC12_ConvertedValue[SS]>>16)*230/4095); 
    }printf(" this over ");
 }
}
void ADC12_DMA_Config(void)
{
 ADC_InitTypeDef       ADC_InitStructure;
  ADC_CommonInitTypeDef ADC_CommonInitStructure;
  DMA_InitTypeDef       DMA_InitStructure;
  GPIO_InitTypeDef      GPIO_InitStructure;   RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOC, ENABLE);
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1|RCC_APB2Periph_ADC2, ENABLE);   DMA_DeInit(DMA2_Stream0);
  /* DMA2 Stream0 channe0 configuration **************************************/
  DMA_InitStructure.DMA_Channel = DMA_Channel_0; 
  DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC_CDR_ADDRESS;
  DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADC12_ConvertedValue;
  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
  DMA_InitStructure.DMA_BufferSize = num;
  DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
  DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
  DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
  DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
 // DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
 DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
  DMA_InitStructure.DMA_Priority = DMA_Priority_High;
  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 ADC1 Channel6 pin as analog input ******************************/
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4|GPIO_Pin_5;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
  GPIO_Init(GPIOC, &GPIO_InitStructure);   /* ADC Common Init **********************************************************/
  ADC_CommonInitStructure.ADC_Mode = ADC_DualMode_RegSimult;
  ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
  ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_2;
  ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
  ADC_CommonInit(&ADC_CommonInitStructure);   /* ADC1 Init ****************************************************************/
  ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
  ADC_InitStructure.ADC_ScanConvMode = DISABLE;
  ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
  ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None ;
// ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising;
// ADC_InitStructure.ADC_ExternalTrigConv= ADC_ExternalTrigConv_T2_CC2;
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
  ADC_InitStructure.ADC_NbrOfConversion = 1;
  ADC_Init(ADC2, &ADC_InitStructure);  /* ADC1 regular channe6 configuration *************************************/
  ADC_RegularChannelConfig(ADC2, ADC_Channel_15, 1, ADC_SampleTime_3Cycles);
  ADC_DMARequestAfterLastTransferCmd(ADC2, ENABLE);
  ADC_DMACmd(ADC2, ENABLE);
 ADC_Cmd(ADC2, ENABLE); }