《12864汉字液晶显示--按键电子时钟程序(具有闪烁.》.doc

#include reg52.h#include intrins.h#define uchar unsigned charvoid lcd_ini();void ascii_change(void);void delay();void wri_add(uchar com);void wri_dat(uchar com1);void shan(void);void disp();void tkey(void);sbit cs=P1^7;sbit sid=P1^6;sbit sclk=P1^5;bit flag=1; uchar dat,count,f=1;//f测试哪个单元为当前闪烁状态?? uchar data clock[3]={23,45,12};uchar code clockname[10]={北京时间:};??uchar data num[6]; /*******主程序*************/void main(){lcd_ini();count=10;//机器周期为1us,每次定时50ms,此变量用来控制循环次数,在下面赋值为20,共定时1秒TMOD=0x01;TL0=0XB0;TH0=0X3C;EA=1;ET0=1;IT0=1;EX0=1;TR0=1;while(1){back:ascii_change();disp();delay();if(flag==1)goto back;tkey();shan();delay();}} /****lcd初始化*******/void lcd_ini(){ wri_add(0x30);delay(); wri_add(0x0c);delay(); wri_add(0x01);delay();wri_add(0x06);delay();} /********定时程序*************/void timer1() interrupt 1 using 2{TL0=0XB0;TH0=0X3C;count--;if(count==0){count=10;clock[2]++;//秒//}elsegoto out; if(clock[2]==60){?? clock[2]=0;?? clock[1]++;//分//?? } if(clock[1]==60){?? clock[1]=0;?? clock[0]++;?? }?? if(clock[0]==24)//时//clock[0]=0; ?? out:_nop_();} /*******十位个位转换成ASCII码************/void ascii_change(void){?? num[5]=clock[2]-(clock[2]/10)*10+0x30;?? num[4]=clock[2]/10+0x30;?? num[3]=clock[1]-(clock[1]/10)*10+0x30;?? num[2]=clock[1]/10+0x30;?? num[1]=clock[0]-(clock[0]/10)*10+0x30;?? num[0]=clock[0]/10+0x30;} /********廷时程序*************/void delay(){uchar i,j;for (i=250;i0;i--)for (j=250;j0;j--); }/*****Write address*********/void wri_add(uchar com){uchar i,j,k;cs=0;cs=1;dat=0xf8; for(i=1;i=8;i++){sid=(bit)(dat0x80);sclk=0;sclk=1;sclk=0;dat=dat1;}dat=com;dat=dat0xf0;for(j=1;j=8;j++){sid=(bit)(dat0x80);sclk=0;sclk=1;sclk=0;dat=dat1;} dat=com;dat=_cror_(dat,4);// 此为高低四位交换dat=dat0xf0; for(k=1;k=8;k++){sid=(bit)(dat0x80);sclk=0;sclk=1;sclk=0;dat=dat1;}} /*********Write data*************/void wri_dat(uchar com1){uchar i,j,k;cs=0;cs=1;dat=0xfa;for(i=