lcd-clock.rar_1602 LCD_1602 闹钟_clock 闹钟_lcd clock_闹钟 1602

/*用定时器0，1602液晶，设计一个数字时钟，可以由三个按钮控制调节时间 */ #include<reg52.h> #include"lcd1602.h" #include"ds18b20.h" #include"ir.h" #define uchar unsigned char #define uint unsigned int #define TIMER0_COUNT 0xEE11 uchar count,s1num,timer0_tick,count=0; typedef struct{ char hour; char minute; char second; }time; typedef struct{ uint year; uchar month; char day; }date; time now={8,20,0}; date today={2011,6,14}; char code dayofmonth[]={31,28,31,30,31,30,31,31,30,31,30,31}; char code weekday[7][4]={"MON","TUE","WED","THU","FRI","SAT","SUN"}; uchar monthday(uchar year,uchar month) { if(month==2 && year%4==0) //润年的2月有29天 return(29); else return(dayofmonth[month-1]); //非闰年时的该月份天数 } void display_week() //由年月日计算星期 { char days; days=(today.day+1+2*today.month+3*(today.month+1)/5+today.year+today.year/4-today.year/100+today.year/400)%7; display_string(&weekday[days][0]); } static void timer0_initialize(void) //timer0 initialize { EA=0; //设置不接受所有中断 timer0_tick=0; TR0=0; //关闭Timer0 TMOD=0X01; //设置Timer0为模式2，16位工作模式 TL0=(TIMER0_COUNT & 0X00FF); //设置Timer0低八位数值 TH0=(TIMER0_COUNT >> 8); //设置Timer0高八位数值 PT1=1; //设置Timer0的优先级为最高 ET0=1; //设置接受Timer0的中断 TR0=1; //启动Timer0 EA=1; //设置系统接受中断 } void write_time(uchar add,uchar number) { gotoxy(2,add); display_data(number); } void write_riqi(uchar add,uchar number) { gotoxy(1,add); display_data(number); } void keyscan() { uchar mode_num; if(mode==0||mode1==0) { delay(5); if(mode==0||mode1==0) { mode_num++; while(!mode); if(mode1==0) mode=plus=dec=mode1=plus1=dec1=1; TR0=0; write_com(0x0f); } if(mode_num==1) gotoxy(1,4); if(mode_num==2) gotoxy(1,7); if(mode_num==3) gotoxy(1,10); if(mode_num==4) gotoxy(2,2); if(mode_num==5) gotoxy(2,5); if(mode_num==6) gotoxy(2,8); if(mode_num==7) { mode_num=0; write_com(0x0c); TR0=1; } } if(mode_num!=0) { if(plus==0||plus1==0) { delay(5); if(plus==0||plus1==0) { while(!plus); if(plus1==0) mode=plus=dec=mode1=plus1=dec1=1; if(mode_num==1) { today.year++; write_riqi(1,today.year/100); write_riqi(3,today.year%100); gotoxy(1,12); display_week(); gotoxy(1,4); } if(mode_num==2) { today.month++; if(today.month==13) today.month=1; write_riqi(6,today.month); gotoxy(1,12); display_week(); gotoxy(1,7); } if(mode_num==3) { today.day++; if(today.day>monthday(today.year,today.month)) today.day=1; write_riqi(9,today.day); gotoxy(1,12); display_week(); gotoxy(1,10); } if(mode_num==4) { now.hour++; if(now.hour==24) now.hour=0; write_time(1,now.hour); gotoxy(2,2); } if(mode_num==5) { now.minute++; if(now.minute==60) now.minute=0; write_time(4,now.minute); gotoxy(2,5); } if(mode_num==6) { now.second++; if(now.second==60) now.second=0; write_time(7,now.second); gotoxy(2,8); } } } if(dec==0||dec==0) { delay(5); if(dec==0||dec==0) { while(!dec); if(plus1==0) mode=plus=dec=mode1=plus1=dec1=1; if(mode_num==1) { today.year--; write_riqi(1,today.year/100); write_riqi(3,today.year%100); gotoxy(1,12); display_week(); gotoxy(1,4); } if(mode_num==2) { today.month--; if(today.month==0) today.month=12; write_riqi(6,today.month); gotoxy(1,12); display_week(); gotoxy(1,7); } if(mode_num==3) { today.day--; if(today.day==0) today.day=monthday(today.year,today.month); write_riqi(9,today.day); gotoxy(1,12); display_week(); gotoxy(1,10); } if(mode_num==4) { now.hour--; if(now.hour<0) now.hour=23; write_time(1,now.hour); gotoxy(2,2); } if(mode_num==5) { now.minute--; if(now.minute<0) now.minute=59; write_time(4,now.minute); gotoxy(2,5); } if(mode_num==6) { now.second--; if(now.second<0) now.second=59; write_time(7,now.second); gotoxy(2,8); } } } } } void display_temp() { uint wendu; uchar A1,A2; tmpchange(); wendu=tmp(); A1=wendu/10; A2=wendu%10; gotoxy(2,10); display_data(A1); display_string("."); write_date(int_to_char[A2]); } void timer0(void) interrupt 1 { TR0=0; TL0=(TIMER0_COUNT & 0X00FF);//设置Timer0低八位数值 TH0=(TIMER0_COUNT >> 8);//设置Timer0高八位数值 TR0=1; count++; if(count==30) display_temp(); if(count==200) { count=0; now.second++; if(now.second==60) { now.second=0; now.minute++; if(now.minute==60) { now.minute=0; now.hour++; if(now.hour==24) { now.hour=0; today.day++; if(today.day>monthday(today.year,today.month)) { today.day=1; today.month++; if(today.month==13) { today.month=1; today.year++; } write_riqi(6,today.month); } write_riqi(9,today.day); gotoxy(1,12); display_week(); } write_time(1,now.hour); } write_time(4,now.minute); } write_time(7,now.second); } } void main() { init_lcd(); IR_init(); timer0_initialize(); gotoxy(1,1); display_string("2011/06/14 "); display_week(); gotoxy(2,1); display_string("08:20:00"); gotoxy(2,10); display_string("00.0C"); while(1) keyscan(); }