AT89C52单片机12864液晶显示程序

1、.#include#include#include#define uchar unsigned char#define uint unsigned int uchar value,shi=23,fen=59,miao=50,SI;uchar code table16= 时 分 秒;uchar code table116=0123456789;void time_display(uchar add,uchar dat);sbit rs=P24;sbit rw=P25;sbit e=P26;/sbit rst=P23;sbit s1=P10;sbit s2=P11;sbit s3=P12;void

2、 delayu(uint t)while(-t);void delaym(uint t)while(-t)delayu(245);delayu(245);void write_com(uchar com)rs=0;rw=0;e=1;delayu(1);P0=com;delayu(10);e=0;void write_data(uchar date)rs=1;rw=0;e=1;delayu(1);P0=date;delayu(10);e=0;delayu(2);void scy()if(s1=0)delaym(10);if(s1=0)SI+;while(!s1);ET0=0; if(SI=1)w

3、rite_com(0x84); write_com(0x0f);while(s1&s2&s3);if(SI=2)write_com(0x82);while(s1&s2&s3);if(SI=3)write_com(0x80);delayu(20);while(s1&s2&s3);if(SI=4)SI=0;write_com(0x0c);ET0=1;if(!SI=0)if(s3=0)delaym(10);if(s3=0)delaym(100);if(SI=1)miao-;if(miao=0) miao=60;time_display(4,miao);write_com(0x84);if(SI=2)

4、fen-;if(fen=0) fen=60;time_display(2,fen);write_com(0x82);if(SI=3)shi-;if(shi=0) shi=24;time_display(0,shi);/将时间立即改变write_com(0x80);if(s2=0)delaym(10);if(s2=0)delaym(100);if(SI=1)miao+;if(miao=60)miao=0;time_display(4,miao);write_com(0x84);if(SI=2)fen+;if(fen=60)fen=0;time_display(2,miao);write_com(

5、0x82);if(SI=3)shi+;if(shi=24)shi=0;time_display(0,miao);write_com(0x80);void init()write_com(0x30);delayu(10);write_com(0x30);delayu(10);write_com(0x0e);delayu(10);write_com(0x01);delayu(1);write_com(0x06);delayu(10);/write_com(0x1a);TMOD=0X01;TH0=(65536-50000)/256;TL0=(65536-50000)%256;TR0=1;EA=1;E

6、T0=1; void time_display(uchar add,uchar dat)uchar ge,sh;ge=dat%10;sh=dat/10;write_com(0x80+add);write_data(0x30+sh);write_data(0x30+ge);write_com(0x80+add);void time_deal()if(value=20)value=0;miao+;if(miao=60) miao=0;fen+;if(fen=60)fen=0;shi+;if(shi=24)shi=0; if(s1=1)time_display(4,miao);time_display(2,fen);time_display(0,shi);void main()uchar i;init(); write_com(0x80);delayu(100);for(i=0;i12;i+)write_data(tablei); wh