adc.c

基于STM32的双极性逆变器软件

#include "stm32f10x_lib.h"
#include "LCD_12864.h"
#define ADC1_DR_Address    ((u32)0x4001244C)

unsigned char K1=6,K2=1;

extern u16 vl1[5],vl2[5];
extern u16 vo1[5],vo2[5];
extern u8 ad_ch_pb,adc_flag,text;

 //--------------------------------------


u8 page=0,warning=0;	
 u8 bat_c_show=0; //电池电量显示
 u8 adc1[4], adc2[4];	  //bat_c电池容量指示
 u16 v1=0,v2=0,v3=0,I1=0,v4=0,v5=0,v6=0,v7=0,v8=0;
 

 //===========================================	
   vu16 ADCConvertedValue[2];
   //ErrorStatus HSEStartUpStatus;

 void adc_Configuration(void){

//    TIM_TimeBaseInitTypeDef TIM_BaseInitStructure;
    TIM_OCInitTypeDef TIM_OCInitStructure;
 //   TIM_BDTRInitTypeDef TIM_BDTRInitStructure;
	TIM_TimeBaseInitTypeDef       TIM_TimeBaseStructure;
  /* DMA1 channel1 configuration ----------------------------------------------*/
  ADC_InitTypeDef ADC_InitStructure;
   DMA_InitTypeDef DMA_InitStructure;
  DMA_DeInit(DMA1_Channel1);
  DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
  DMA_InitStructure.DMA_MemoryBaseAddr = (u32)ADCConvertedValue;
  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
  DMA_InitStructure.DMA_BufferSize = 2;
  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);
  
  /* Enable DMA1 channel1 */
  DMA_Cmd(DMA1_Channel1, ENABLE);

  // TIM4 configuration ------------------------------------------------------
  TIM_DeInit(TIM4);															  
  // Time Base configuration 								
  TIM_TimeBaseStructure.TIM_Prescaler = 0x00;
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
  TIM_TimeBaseStructure.TIM_Period = 2879;
  TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
  TIM_TimeBaseStructure.TIM_RepetitionCounter = 0x0;
  TIM_TimeBaseInit(TIM4,&TIM_TimeBaseStructure);			
  // Channel1 Configuration in PWM mode 	
  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; 
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;                
  TIM_OCInitStructure.TIM_Pulse = 1000; 
  TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;         
  TIM_OC4Init(TIM4,&TIM_OCInitStructure);
     
  /* ADC1 configuration ------------------------------------------------------*/
  ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
  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);

  /* ADC1 regular channel14 configuration */ 
  ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_55Cycles5);
  ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 2, ADC_SampleTime_55Cycles5);
 
  ADC_TempSensorVrefintCmd(ENABLE);

   ADC_ExternalTrigConvCmd(ADC1, ENABLE);
  /* Enable ADC1 DMA */
  ADC_DMACmd(ADC1, ENABLE);
  
  /* Enable ADC1 */
  ADC_Cmd(ADC1, ENABLE);
  /**************************************************************/
  
   // Enable JEOC interupt 					
  ADC_ITConfig(ADC1, ADC_IT_EOC, 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);
  // TIM1 counter enable  
  TIM_Cmd(TIM4,ENABLE);		 
  // TIM1 main Output Enable 	 
  TIM_CtrlPWMOutputs(TIM4,ENABLE);  
  	}


  //温度测试函数
float temptran(u16 tempv)
{
	float tempr ; 
 	float f , temp0	,temp1 ;

	tempr=(float)(2561-tempv)/(((float)tempv)/20000.0) ;
	

    f = tempr;                         //这里f的值是最终读到的热敏电阻阻值
    if((  f>=692 ) && ( f<= 47975) )         //温度范围-25~85
    {
              if(( 37088<f) && ( f<=47975) )
                     { temp0 = -25;  temp1 =(47975 - f)*5/(47975-37088); }
              else if(( 28903<f) && ( f<=37088) )
                     { temp0 = -20;  temp1 =(37088 - f)*5/(37088-28903); }
              else if(( 22695<f) && ( f<=28903) )
                     { temp0 = -15;  temp1 =(28903 - f)*5/(28903-22695); }
              else if(( 17948<f) && ( f<=22695) )
                     { temp0 = -10;  temp1 =(22695 - f)*5/(22695-17948); }
              else if(( 14286<f) && ( f<=17948) )
                     { temp0 = -5;  temp1 =(17948 - f)*5/(17948-14286); }
              else if(( 11435<f) && ( f<=14286) )
                     { temp0 = 0;  temp1 =(14286 - f)*5/(14286-11435); }
              else if(( 9213<f) && ( f<=11435) )
                     { temp0 = 5;  temp1 =(11435 - f)*5/(11435-9213); }
              else if(( 7471<f) && ( f<=9213) )
                     { temp0 = 10;  temp1 =(9213 - f)*5/(9213-7471); }
              else if(( 6094<f) && ( f<=7471) )
                     { temp0 = 15;  temp1 =(7471 - f)*5/(7471-6094); }
              else if(( 5000<f) && ( f<=6094) )
                     { temp0 = 20;  temp1 =(6094 - f)*5/(6094-5000); }
              else if(( 4127<f) && ( f<=5000) )
                     { temp0 = 25;  temp1 =(5000 - f)*5/(5000-4127); }
              else if(( 3427<f) && ( f<=4127) )
                     { temp0 = 30;  temp1 =(4127 - f)*5/(4127-3427); }
              else if(( 2863<f) && ( f<=3427) )
                     { temp0 = 35;  temp1 =(3427 - f)*5/(3427-2863); }
              else if(( 2406<f) && ( f<=2863) )
                     { temp0 = 40;  temp1 =(2863 - f)*5/(2863-2406); }
              else if(( 2032<f) && ( f<=2406) )
                     { temp0 = 45;  temp1 =(2406 - f)*5/(2406-2032); }
              else if(( 1723<f) && ( f<=2032) )
                     { temp0 = 50;  temp1 =(2032 - f)*5/(2032-1723); }
              else if(( 1467<f) && ( f<=1723) )
                     { temp0 = 55;  temp1 =(1723 - f)*5/(1723-1467); }
              else if(( 1255<f) && ( f<=1467) )
                     { temp0 = 60;  temp1 =(1467 - f)*5/(1467-1255); }
              else if(( 1077<f) && ( f<=1255) )
                     { temp0 = 65;  temp1 =(1255 - f)*5/(1255-1077); }
              else if(( 926<f) && ( f<=1077) )
                     { temp0 = 70;  temp1 =(1077 - f)*5/(1077-926); }
              else if(( 799<f) && ( f<=926) )
                     { temp0 = 75;  temp1 =(926 - f)*5/(926-799); }
     }
    else
       {
              temp0 = 0; temp1 = 0;
       }
	return (float)(temp0+temp1) ;	   //*10  单位为0.1

}

	void vol_show(void)
	{ 
	 	
	   switch(page)
	   {
	     case 0: {
		           
				   lcd_show_char(0,0,"零电流纹波逆变器");

				    //========
		 		   lcd_show_char(0,1,"输出电流：");
					if(v2/1000==0) adc2[0]=' ';
				    else adc2[0]=v2/1000 + '0';
		           v2 %= 1000;
			       adc2[1]=v2/100 + '0';	 
		           adc2[2]='.';
			       v2 %= 100;
			       adc2[3]=v2/10 + '0';
				   //adc2[4]='V';
				   //adc2[5]=' ';
				   lcd_show_char(5,1,adc2);
				   lcd_show_char(7,1,"安");

				   lcd_show_char(0,2,"输出电压：");
		           if(v1/1000==0) {adc1[0]=' ';}
		           else{adc1[0]=v1/1000 + '0';}
		           v1 %= 1000;
			       adc1[1]=v1/100 + '0';	 
		           adc1[2]='.';
			       v1 %= 100;
			       adc1[3]=v1/10 + '0';
				   //adc1[4]='V';
				   //adc1[5]=' ';
				   lcd_show_char(5,2,adc1);
				   lcd_show_char(7,2,"伏");
				   
				  //========
				   	lcd_show_char(0,3,"                ");
																				    
		         break;} 
		 case 1:{
				  

				   
				   
		        break;}
		 case 2:{
		          
				 break;}

	   }
	  }
	 


	void adc_deal(void)	{
	  unsigned long v1_sum=0,v2_sum=0;
	  u8 i=0;
	  if(adc_flag) {
	   for(i=0;i<5;i++){
	    if(ad_ch_pb){ 
		   v1_sum+=vl1[i];
	   	   v2_sum+=vl2[i];
		   
	    }
		else{ 
		   v1_sum+=vo1[i];
	   	   v2_sum+=vo2[i];
		   
	    }
	  }
	  v1=v1_sum/5;
	  v2=v2_sum/5;
	  

	  v1=(v1/10)*K1;
	  v2=(v2/10)*K2;
	  
	 }
	}