alarm_clock.c

51控制LM368 驱动芯片 c语言的STC单片机

#include "reg51.h"
#include "typedef.h"
#include "lcd.h"
#include "alarm_clock.h"
#include "key.h"

uchar freq_count;

void alarm_clock()
{
	if((alarm_flag==true)&(clk_hour==hour)&(clk_min==min))
	{
		freq_count++;
		if(freq_count<10)
			beeper=true;
		if(freq_count>=10)
			beeper=false;
		if(freq_count==100)
			freq_count=0;
	}
	else
		beeper=false;
}