clock.c

显示时间,有三个按键分别控制小时,分钟,秒,每按一次分别加1.

//#include <AT89X51.h>
#include <reg52.h>
#include "lcd1.h"

//							 "    02:13:11	  "
unsigned char code kai1[] = {"dan pian ji"};
unsigned char code kai2[] = {"jian yi shi zhong "};

sbit k1=P1^0;		//按钮地址位
sbit k2=P1^1;
sbit k3=P1^2;
unsigned int k1p=0;		//按钮按下标志位
unsigned int k2p=0;
unsigned int k3p=0;
unsigned int h=12,m=0,s=0,c=0;

unsigned int dan=0;		//这个是花巧的东西

void delayMs(unsigned int i);	//毫秒级延时
void display(unsigned int hh,unsigned int mm,unsigned int ss);  	//lcd显示时间函数
void chu();   //时间格式处理

void timerun() interrupt 1 using 1
{
TH0=0xfc;		   
TL0=0x18;
if(c<1000){
c++;
}else{
c=0;
s++;
chu();
display(h,m,s);
}
}

void chu()
{
if(s==60){
s=0;
m++;
}
if(m==60){
m=0;
h++;
}
if(h==24)
h=0;
}

void delayMs(unsigned int i)	//毫秒级延时
{
    unsigned int j;
    while(i--)
    {
        for(j=0;j<100;j++);
    }
}

void display(unsigned int hh,unsigned int mm,unsigned int ss)		//lcd显示时间函数
{				 
unsigned char time[17]={"  :  :          "};
time[0]='0'+hh/10;
time[1]='0'+hh%10;
time[3]='0'+mm/10;
time[4]='0'+mm%10;
time[6]='0'+ss/10;
time[7]='0'+ss%10;
Disdatastring(1,1,"The Time Now is:");
Disdatastring(2,1,time);
}

void main()
{
P1=0xef;//按钮置一端低一端高电平
//==开机画面==
Init_LCD();
Disdatastring(1,1,kai1);
Disdatastring(2,1,kai2);
delayMs(1500);
Disdatastring(1,1,"Made By ZXK CCQ");
Disdatastring(2,1," df5B  502  517 ");

delayMs(2500);
TMOD=0x01;		   //定时器设定
TH0=0xfc;		   
TL0=0x18;
TR0=1;
EA=1;
ET0=1;
//====
while(1)
{
if(k1==0){			 //k1按钮扫描
	delayMs(10);
	if(k1==0){			 //消抖
	k1p=1;
	}
}else if(k2==0){			 //k1按钮扫描
	delayMs(10);
	if(k2==0){			 //消抖
	k2p=1;
	}
}else if(k3==0){			 //k1按钮扫描
	delayMs(10);
	if(k3==0){			 //消抖
	k3p=1;
	}
}else if(k1==1&&k1p==1){		  //按钮松开（按下松开为一个Pass操作）
	k1p=0;
	h++;
	chu();
	Disdatastring(1,1,"Hour setting.   ");
}else if(k2==1&&k2p==1){
	k2p=0;
	m++;
	chu();
	Disdatastring(1,1,"Minute setting. ");
}else if(k3==1&&k3p==1){
	k3p=0;
	s++;
	chu();
	Disdatastring(1,1,"Second setting. ");
}
}
}