measure_p.c

一种多功能频率计

#include<reg52.h>
#include<lcd1602.h>
#include<counter.h>
#include<measure_P.h>
#include<write164.h>


 
void measure_P()
{   
    uchar dotwei;
    uchar Mflag;
    unsigned long  period;
    uchar iop1;

   	gotoxy(2,1);
    write_LCD_data('=');
	dotwei=0;

 while(1)
{
    Mflag=1;

    while(Mflag)
	{ //  write164(Fen100_MP);  
      period=counter(1);
		if(period>100)
		 {iop1=P1;
		  period=period*100+iop1;
		  dotwei=8;
		   gotoxy(2,3);
	     display_LCD_number(period,dotwei);
		 }
    else Mflag=0;
    if(period==0) {goto reti;}
    }
      
    
	Mflag=1;
    while(Mflag)
	{ //   write164(direct_MP);  
   	    period=counter(1);
		if(period>100)
		 {iop1=P1;
		  period=period*100+iop1;
		  dotwei=6;
		 gotoxy(2,3);
	     display_LCD_number(period,dotwei);
		 }
     else 
	{//  write164(direct_MP); 
		period=counter(10);
		 iop1=P1;
		 period=period*100+iop1;
		 if(period>10)
		 {
		 dotwei=7;
		 gotoxy(2,3);
	    display_LCD_number(period,dotwei);
		 }
	   else Mflag=0;
		}
	if(period==0) {goto reti;}
      }

    }
 reti:;
 }