1602电子时钟.doc

2020-1-17电子时钟#include#define uchar unsigned char#define uint unsigned intsbit rs= P26;sbit lcden= P27;sbit rw= P25;sbit s1=P10;sbit s2=P11;sbit s3=P12;/sbit s4=P13;uchar count,s1num;char shi,fen,miao;uchar code table= 2010-7-30 MON;uchar code table1= 00:00:00;void delay(uint z)uint x,y;for(x=z;x0;x-)for(y=110;y0;y-);void write_com(uchar com)/lcd写指令rs=0;/指令0rw=0;lcden=0;P0=com;delay(5);lcden=1;delay(5);lcden=0;void write_date(uchar date)/lcd写数据rs=1;/数据1rw=0;lcden=0;P0=date;delay(5);lcden=1;delay(5);lcden=0;void init()/初始化uchar num;lcden=0;/miao=54;/fen=59;/shi=23;write_com(0x38);/显示设置write_com(0x0c);/不显示光标write_com(0x06);/指针+1write_com(0x01);/刷新delay(1);write_com(0x80);for(num=0;num15;num+)/装数据write_date(tablenum);delay(2);write_com(0x80+0x40);/换行for(num=0;num12;num+)write_date(table1num);delay(2);TMOD=0x01;/timer1TH0=(65536-50000)/256;/12M晶振为1msTL0=(65536-50000)%256;EA=1;/open tatal interruptET0=1;/open zi interruptTR0=1;/open timervoid write_sfm(uchar add,uchar date)/时间子程序uchar shi,ge;shi=date/10;ge=date%10;write_com(0x80+0x40+add);write_date(0x30+shi);write_date(0x30+ge);void keyscan()/按键子程序/扫描if(s1=0)delay(5);/去抖if(s1=0)s1num+;while(!s1);/松手检测if(s1num=1)TR0=0;/TIME STOPwrite_com(0x80+0x40+10);/指针到miaowrite_com(0x0f);/显示光标if(s1num=2)write_com(0x80+0x40+7);if(s1num=3)write_com(0x80+0x40+4);if(s1num=4)s1num=0;write_com(0x0c);/去光标TR0=1;if(s1num!=0)if(s2=0)delay(5);if(s2=0)while(!s2);/check 松手if(s1num=1)/sure at miaomiao+;if(miao=60)miao=0;write_sfm(10,miao);write_com(0x80+0x40+10);if(s1num=2)/at fenfen+;if(fen=60)fen=0;write_sfm(7,fen);write_com(0x80+0x40+7);if(s1num=3)/at shishi+;if(shi=24)shi=0;write_sfm(4,shi);write_com(0x80+0x40+4);if(s3=0)delay(5);if(s3=0)while(!s3);if(s1num=1)miao-;if(miao=-1)miao=59;write_sfm(10,miao);write_com(0x80+0x40+10);if(s1num=2)fen-;if(fen=-1)fen=59;write_sfm(7,fen);write_com(0x80+0x40+7);if(s1num=3)shi-;if(shi=-1)shi=23;write_sfm(4,shi);write_com(0x80+0x40+4);void timer0() interrupt 1/定时器中断子函数TH0=(65536-50000)/256;TL0=(65536-50000)%256;count+;if(count=20)/20=1scount=0;miao+;if(miao=60)miao=0;fen+;if(fen=60)fen=0;shi+;i