pinlv3_1.c

频率计

#include <AT89X52.H> 

unsigned char code dispbit[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; 

unsigned char code dispcode[]={0x3f,0x06,0x5b,0x4f,0x66, 

                               0x6d,0x7d,0x07,0x7f,0x6f,0x00,0x40}; 

unsigned char dispbuf[8]={0,0,0,0,0,0,10,10}; 

unsigned char temp[8]; 

unsigned char dispcount; 

unsigned char T0count; 
unsigned char timecount,l,o,m,n,r,s,v,flag1,flag2;
unsigned long x,x1,x2; 
unsigned char code led_segment[10]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};
//uchar code led1[8]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
bit flag; 

//#define led RD
sbit latch=P1^0;
sbit led_1=P2^3;
sbit led_2=P2^2;
sbit led_3=P2^1;
sbit led_4=P2^0;
sbit led_5=P2^7;
sbit led_6=P2^5;
sbit led_7=P2^6;
sbit led_8=P2^4;

sbit dianzhu1=P1^3;
sbit dianzhu2=P1^4;
sbit dianrong1=P1^5;
sbit dianrong2=P1^6;
sbit AA=P3^2;//dian gan
sbit BB=P3^1;//dianzhu
sbit CC=P3^0;//dianrong
void delay(unsigned int v)
{
while(v!=0) v--;
}

xianshi()
{
                                latch=1;
								P0=led_segment[l];
								led_8=0;
								delay(30);
								led_8=1;

								P0=led_segment[m];
								led_7=0;
								delay(30);
								led_7=1;
								
								P0=led_segment[n];
								led_6=0;
								delay(30);
								led_6=1;
								 
								P0=led_segment[o];
								led_5=0;
								delay(30);
								led_5=1;

								P0=led_segment[r];
								led_4=0;
								delay(30);
								led_4=1;

								P0=led_segment[s];
								led_3=0;
								delay(30);
								led_3=1;
								
						
 
								  latch=0;

							
}



void main(void) 

{ 

  unsigned char i; 

  

  TMOD=0x15; 

  TH0=0; 

  TL0=0; 

  TH1=0xf0; 

  TL1=0x60; 

  TR1=1; 

  TR0=1; 

  ET0=1; 

  ET1=1; 

  EA=1; 

  

  while(1) 

   { 
	

         latch=1;
         P0=0xf7;
	 if(T1==0){	// dianzhu2=0;
	
		 BB=0;AA=1;CC=1;EA=1;TR0=1;}

		 P0=0xfb;

		 if(T1==0){	// dianzhu1=0;
	
		 BB=0;AA=1;CC=1;EA=1;TR0=1;}
		 
	 
		 
		 P0=0xef;
		 if(T1==0){	//	 dianrong1=0;

		 CC=0;BB=1;AA=1;EA=1;TR0=1;}
		  
         P0=0xdf;
		 if(T1==0){	// dianrong2=0;
	
		 CC=0;BB=1;AA=1;EA=1;TR0=1;}
		  
		   P0=0xbf;
		 if(T1==0){AA=0;BB=1;CC=1;EA=1;TR0=1;}
	  P0=0xff;

 //xianshi();

		      if(flag==1) 

       {
 	   if(T1!=0)flag1++;

         flag=0; 

         x=T0count*65536+TH0*256+TL0; 
		 x2=x2+x;
		 flag2++;
		 if(flag2==5){ x1=0;x1=x2/5;x2=0;flag2=0;
		 
		
}
         l=x1%10;
		 m=x1%100/10;
		 n=x1/100%10;
		 o=x1/1000%10;
		 r=x1/10000%10;
		 s=x1/100000%10;
         T0count=0; 

         TH0=0; 

         TL0=0; 
         x=0;
	     	 
		 if(flag1==5){flag1=0;TR0=0;EA=0;}
         TR0=1; 

       } 

   } 

} 

  

void t0(void) interrupt 1 using 0 

{ 

  T0count++; 

} 

  

void t1(void) interrupt 3 using 0 

{ 

  TH1=0xf0; 

  TL1=0x60; 

  timecount++; 

  if(timecount==250) 

    { 

      TR0=0; 

      timecount=0; 
	 

      flag=1; 

    } 


 xianshi();
}