液晶屏-显示时间

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1、6、液晶屏——显示时间#include#includesbitkey0=P3^5;sbitkey1=P3^6;sbitkey2=P3^7;sbitrs=P1^0;sbitrw=P1^1;sbiten=P1^2;unsignedchari;voiddelayms(unsignedintk);voidwrite_com(unsignedcharcom);voidwrite_dat(unsignedchardat);voidwrite_day(unsignedcharmonth);unsignedcharday,month,year;uns

2、ignedchart[]={1,2,3,4,5,6,7,8,9,10,11,12};voidmain(){unsignedcharsec,min,hour,a,b,c,d,e,f,g,h,l,m,n,o,p,q,num;TMOD=0x01;EA=1;ET0=1;TR0=1;TH0=15536/256;TL0=15536%256;while(1){if(i==20){i=0;sec++;if(sec==60){sec=0;min++;if(min==60){min=0;hour++;if(hour==24){hour=0;day++;if(day==31){day=1;m

3、onth++;if(month==13){month=1;year++;}}}}}}write_com(0x0c);write_com(0x38);write_com(0x06);g=day/10;h=day%10;l=month/10;m=month%10;n=year/1000;o=year/100%10;p=year/10%10;q=year%10;e=hour/10;f=hour%10;a=min/10;b=min%10;c=sec/10;d=sec%10;write_com(0x80+5);write_dat(0x30+n);write_dat(0x30+o)

4、;write_dat(0x30+p);write_dat(0x30+q);write_dat(0x2d);write_dat(0x30+l);write_dat(0x30+m);write_dat(0x2d);write_dat(0x30+g);write_dat(0x30+h);write_com(0xc0+7);write_dat(0x30+e);write_dat(0x30+f);write_dat(0x3a);write_dat(0x30+a);write_dat(0x30+b);write_dat(0x3a);write_dat(0x30+c);write_d

5、at(0x30+d);if(key0==0){delayms(10);if(key0==0){while(key0==0);TR0=0;num++;if(num==7){num=0;TR0=1;}}}if(key1==0){delayms(10);if(key1==0){while(key1==0);if(num==1){sec--;if(sec==-1)sec=59;}if(num==2){min--;if(min==-1)min=59;}if(num==3){hour--;if(hour==-1)hour=23;}if(num==4){day--;if(day==-

6、1)day=30;}if(num==5){month--;if(month==-1)month=12;}if(num==6){year--;}}}if(key2==0){delayms(10);if(key2==0){while(key2==0);if(num==1){sec++;if(sec==60)sec=0;}if(num==2){min++;if(min==60)min=0;}if(num==3){hour++;if(hour==24)hour=0;}if(num==4){day++;if(day==31)day=1;}if(num==5){month++;if

7、(month==13)month=1;}if(num==6){year++;}}}if(TR0==0&&num==1){write_com(0xc0+13);write_com(0x0f);}if(TR0==0&&num==2){write_com(0xc0+10);write_com(0x0f);}if(TR0==0&&num==3){write_com(0xc0+7);write_com(0x0f);}if(TR0==0&&num==4){write_com(0x80+13);write_com(0x0f);}if(TR0==0&&n