main.c

LCD12864做的强大模拟电子钟

/***************************************
**模拟时钟程序

**暂无时间调整功能

**proteus仿真论坛:http://proteus.5d6d.com
***************************************/

#include <reg52.H>
#include<intrins.h>
#include<math.h>
#include"lcd12864.h"
void Delay(uint ms);
void TimeDisp(uchar hour,uchar min,uchar sec);
void TimerInit();

//时间初始值
uchar hour = 9;
uchar min = 9;
uchar sec = 30;


bit refreshflag = 1;//显示刷新标志,每一秒送一次显示数据
void main()
{
	TimerInit();
	ClearScreen();
	BufferPrint12(0,0," 模拟时钟\n制作:\n  潘忠伟\nproteus.\n 5d6d.com");
	while(1)
	{
		TimeDisp(hour,min,sec);
		if(refreshflag)
		{
			Show();
			refreshflag = 0;
		}
	}
}


void TimerInit()
{
	EA = 1;
	ET0 = 1;
	TMOD = 0x01;
	TH0 = (65536-50000)/256;
	TL0 = (65536-50000)%256;
	TR0 = 1;
}

void Timer0() interrupt 1
{
	uchar n;
	TH0 = (65536-49990)/256;//调整初值可使时间更加精确
	TL0 = (65536-49990)%256;
	n++;
	if(n == 40)//24Mhz
	{
		n = 0;
		sec++;
		refreshflag = 1;
		if(sec == 60)
		{
			sec = 0;
			min++;
			if(min == 60)
			{
				min = 0;
				hour++;
				if(hour == 12)
					hour = 0;
			}
		}
	}
}



/*
void Delay(uint ms)					//延时子程序
{	
	uint x,y;
	for(x=ms;x>0;x--)
		for(y=120;y>0;y--);
}*/