measure_a.c

一种多功能频率计

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

void measure_A()
{ uchar dotwei;
 unsigned long  freq;
 uint am;
 uchar Mflag=1;
write164(M_A); /*选直通测频率挡即可 */ 
	while(Mflag)
	{
   	freq=counter(1);
		am=(freq-4)*1000/45;
		dotwei=4;
		gotoxy(2,5);
		display_LCD_number(am,dotwei);
		//把数据存入EEPROM中 Store(freq,faddress);
		if(freq==0)
			Mflag=0;
	}
}