按键电子时钟

1、#include<reg52.h>#define uchar unsigned char#define uint unsigned intsbit key1=P34;sbit key2=P35;sbit key3=P36;sbit key4=P37;sbit beep=P33;/0为响uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00,0x5c,0x54,0x73;/16、无 17、o 18、n 19、Puchar time,tem

2、p,tt,bb,seconds,mins,hours,days,months,allow,sethours,setmins,choose,does,keep;uint years,hz;void init();/初始化void allmode();/所有模式void keyscanf();/键盘输入1void bell();/6、闹铃试听void settime();/5、设置闹钟时间void stopwatch();/4、使用秒表void lock();/3、锁死键盘void changetime();/2、改时间void changeday();/1、改日期void display(uch

3、ar a1,uchar b2,uchar c3,uchar d4);/显示程序void keychoose();/键盘输入2void delay(uchar z)uchar y;for(z;z;z-)for(y=110;y;y-);void main()init();while(1)allmode();keyscanf();void init()TMOD=0x11;TH0=(65535-46067)/256;/计算结果为46080，但实际运算中有偏差TL0=(65535-46067)%256;EA=1;ET0=1;ET1=1;TR0=1;years=2016;months=2;days=8;h

4、ours=22;mins=44;allow=0x00; void allmode()if(allow=0x00)/ 时，分display(hours/10,hours%10,mins/10,mins%10);if(allow=0x01)/年display(years/1000,years%1000/100,years%100/10,years%10);if(allow=0x02)/月，日display(months/10,months%10,days/10,days%10);if(allow=0x04)/秒数display(seconds/10,seconds%10,time/10,time%

5、10);if(allow=0x08)/闹钟时间display(sethours/10,sethours%10,setmins/10,setmins%10);/模式进入if(allow=0x03)/年月日更改changeday();if(allow=0x05)/时分秒更改changetime();if(allow=0x09)/锁定键盘lock();if(allow=0x06)/秒表界面stopwatch();if(allow=0x0a)/设定闹钟settime();if(allow=0x0c)/闹铃试听bell();void keyscanf()/按键1：年0001if(key1=0&&

6、amp;allow=0x00)delay(5);if(key1=0)allow=0x01;if(key1=1&&allow=0x01)delay(5);if(key1=1)allow=0x00;/按键2：月日0010if(key2=0&&allow=0x00)delay(5);if(key2=0)allow=0x02;if(key2=1&&allow=0x02)delay(5);if(key2=1)allow=0x00;/按键3：秒数0100if(key3=0&&allow=0x00)delay(5);if(key3=0)allo

7、w=0x04;if(key3=1&&allow=0x04)delay(5);if(key3=1)allow=0x00;/按键4：闹钟时间1000if(key4=0&&allow=0x00)delay(5);if(key4=0)allow=0x08;if(key4=1&&allow=0x08)delay(5);if(key4=1)allow=0x00;/-/模式进入/1.年月日更改0011if(key1=0&&key2=0&&allow=0x01)|(key1=0&&key2=0&&a

8、llow=0x02)delay(5);if(key1=0&&key2=0)allow=0x03;/2.时分秒更改0101if(key1=0&&key3=0&&allow=0x01)|(key1=0&&key3=0&&allow=0x04)delay(5);if(key1=0&&key3=0)allow=0x05;/3.锁定1001if(key1=0&&key4=0&&allow=0x01)|(key1=0&&key4=0&&allow=

9、0x08)delay(5);if(key1=0&&key4=0)allow=0x09;/4.秒表0110if(key2=0&&key3=0&&allow=0x02)|(key2=0&&key3=0&&allow=0x04)delay(5);if(key2=0&&key3=0)allow=0x06;/5.设定闹钟1010if(key2=0&&key4=0&&allow=0x02)|(key2=0&&key4=0&&allow=0x08)d

10、elay(5);if(key2=0&&key4=0)allow=0x0a;/6.闹铃试听1100if(key3=0&&key4=0&&allow=0x04)|(key3=0&&key4=0&&allow=0x08)delay(5);if(key3=0&&key4=0)allow=0x0c;void bell()/模式6试听闹铃while(key3=0&&key4=0)if(seconds%2)display(sethours/10,sethours%10,setmins/10,set

11、mins%10);elseif(bb=0)display(16,0,15,15);if(bb=1)display(16,16,17,18);beep=1;allow=0x00;void settime()/模式5设置闹钟uchar hour,min,bbb;keep=1;hour=sethours;min=setmins;bbb=bb;while(keep<4)if(keep=0)break;while(keep=1)if(does=1&&time<4)display(16,16,min/10,min%10);elsedisplay(hour/10,hour%10,

12、min/10,min%10);keychoose();if(does=1)if(choose=0x01)hour+;does=0;if(choose=0x02)hour-;does=0;if(does=0&&(time=0|time=10)if(choose=0x01)does=3;if(choose=0x02)does=4;if(does!=1&&(time=9|time=19)if(does=3)hour=hour+10;if(does=4)hour=hour-10;does=0;if(hour>23&&hour<200)hour

13、=0;if(hour>199)hour=23;while(keep=2)if(does=1&&time<4)display(hour/10,hour%10,16,16);elsedisplay(hour/10,hour%10,min/10,min%10);keychoose();if(does=1)if(choose=0x01)min+;does=0;if(choose=0x02)min-;does=0;if(does=0&&(time=0|time=10)if(choose=0x01)does=3;if(choose=0x02)does=4;if(

14、does!=1&&(time=9|time=19)if(does=3)min=min+10;if(does=4)min=min-10;does=0;if(min>59&&min<200)min=0;if(min>199)min=59;while(keep=3)if(does=1&&time<4)P0=0;elseif(bbb=1)display(16,16,17,18);if(bbb=0)display(16,0,15,15);keychoose();if(choose=0x01)bbb=1;if(choose=0x02)

15、bbb=0;if(keep=4)sethours=hour;setmins=min;bb=bbb;allow=0x00;void stopwatch()/模式4秒表uchar ms,second;second=0;temp=0;tt=100;hz=8450;keep=1;/计算结果为9216，while(keep=1)ms=temp;if(allow=0x16)second+;if(second>90)second=0;allow=0x06;display(second/10,second%10,ms/10,ms%10);keychoose();if(keep>1)keep=1;i

16、f(does=1)switch(choose)case 0x01:TR1=1;does=0;break;case 0x02:TR1=0;does=0;break;case 0x04:TR1=0;temp=0;second=0;does=0;break;default:break;TR1=0;allow=0x00;void lock()/模式3锁定uchar open,x;open=1;x=(seconds+2)%10;while(open=1)display(hours/10,hours%10,mins/10,mins%10);if(key1=0&&key4=0)if(x=se

17、conds%10)open=0;for(x=100;x;x-)display(16,0,15,15);else break;while(open=0)display(hours/10,hours%10,mins/10,mins%10);if(key1=0&&key4=0)if(x=seconds%10)open=1;for(x=100;x;x-)display(16,16,17,18);else x=(seconds+3)%10;allow=0x00;void changetime()/模式2改变时分秒uchar hour,min,second;delay(1000);hour

18、=hours;min=mins;second=seconds;keep=1;while(keep<4)if(keep=0)break;while(keep=1)if(time<4&&does=1)display(16,16,min/10,min%10);elsedisplay(hour/10,hour%10,min/10,min%10);keychoose();if(does=1)if(choose=0x01)hour+;does=0;if(choose=0x02)hour-;does=0;if(does=0&&(time=0|time=10)if(

19、choose=0x01)does=3;if(choose=0x02)does=4;if(does!=1&&(time=19|time=9)if(does=3)hour=hour+10;if(does=4)hour=hour-10;does=0;if(hour>23&&hour<200)hour=0;if(hour>199)hour=23;while(keep=2)if(time<4&&does=1)display(hour/10,hour%10,16,16);elsedisplay(hour/10,hour%10,min/

20、10,min%10);keychoose();if(does=1)if(choose=0x01)min+;does=0;if(choose=0x02)min-;does=0;if(does=0&&(time=0|time=10)if(choose=0x01)does=3;if(choose=0x02)does=4;if(does!=1&&(time=19|time=9)if(does=3)min=min+10;if(does=4)min=min-10;does=0;if(min>59&&min<200)min=0;if(min>

21、199)min=59;while(keep=3)if(time<4&&does=1)display(16,16,0,0);elsedisplay(second/10,second%10,0,0);keychoose();if(does=1)if(choose=0x01)second+;does=0;if(choose=0x02)second-;does=0;if(does=0&&(time=0|time=10)if(choose=0x01)does=3;if(choose=0x02)does=4;if(does!=1&&(time=19|t

22、ime=9)if(does=3)second=second+10;if(does=4)second=second-10;does=0;if(second>59&&second<200)second=0;if(second>199)second=59;if(keep=4)hours=hour;mins=min;seconds=second;time=0;allow=0x00;void changeday()/模式1.改变年月日uchar year1,year2,month,day;delay(1000);month=months;day=days;keep=1;

23、year1=years%10000/100;year2=years%100;while(keep<5)if(keep=0)break;while(keep=1)if(time<4&&does=1)display(16,16,year2/10,year2%10);elsedisplay(year1/10,year1%10,year2/10,year2%10);keychoose();if(does=1)/按一下if(choose=0x01)does=0;year1+;if(choose=0x02)does=0;year1-;if(does=0&&(ti

24、me=0|time=10)if(choose=0x01)does=3;if(choose=0x02)does=4;if(does!=1&&(time=19|time=9)/长按if(does=3)year1=year1+10;if(does=4)year1=year1-10;does=0;if(year1>99&&year1<200)year1=0;if(year1>199)year1=99;while(keep=2)if(time<4&&does=1)display(year1/10,year1%10,16,16);el

25、sedisplay(year1/10,year1%10,year2/10,year2%10);keychoose();if(does=1)if(choose=0x01)does=0;year2+;if(choose=0x02)does=0;year2-;if(does=0&&(time=0|time=10)if(choose=0x01)does=3;if(choose=0x02)does=4;if(does!=1&&(time=19|time=9)if(does=3)year2=year2+10;if(does=4)year2=year2-10;does=0;i

26、f(year2>99&&year2<200)year2=0;if(year2>199)year2=99;while(keep=3)/月if(time<4&&does=1)display(16,16,day/10,day%10);elsedisplay(month/10,month%10,day/10,day%10);keychoose();if(does=1)/按一下if(choose=0x01)does=0;month+;if(choose=0x02)does=0;month-;if(does=0&&(time=0|ti

27、me=10)if(choose=0x01)does=3;if(choose=0x02)does=4;if(does!=1&&(time=19|time=9)/长按if(does=3)month=month+10;if(does=4)month=month-10;does=0;if(month>12&&month<200)month=1;if(month>199|month=0)month=12;while(keep=4)if(time<4&&does=1)display(month/10,month%10,16,16);e

28、lsedisplay(month/10,month%10,day/10,day%10);keychoose();if(does=1)if(choose=0x01)does=0;day+;if(choose=0x02)does=0;day-;if(does=0&&(time=0|time=10)if(choose=0x01)does=3;if(choose=0x02)does=4;if(does!=1&&(time=19|time=9)if(does=3)day=day+10;if(does=4)day=day-10;does=0;if(day>28&

29、;&day<200)if(month=1|month=3|month=5|month=7|month=8|month=10|month=12)if(day>31)day=1;if(month=4|month=6|month=9|month=11)if(day>30)day=1;if(month=2)if(day>28&&(year1*100+year2)%4!=0)/非闰年day=1;if(day>29&&(year1*100+year2)%4=0)/闰年day=1;if(day>199|day=0)if(month=

30、1|month=3|month=5|month=7|month=8|month=10|month=12)day=31;if(month=4|month=6|month=9|month=11)day=30;if(month=2)if(year1*100+year2)%4!=0)/非闰年day=28;if(year1*100+year2)%4=0)/闰年day=29;if(keep=5)years=year1*100+year2;months=month;days=day;allow=0x00;void display(uchar a1,uchar b2,uchar c3,uchar d4)P0=

31、0;P2=0xfe;P0=tablea1;delay(5);P0=0;P2=0xfd;P0=tableb2;delay(5);P0=0;P2=0xfb;P0=tablec3;delay(5);P0=0;P2=0xf7;P0=tabled4;delay(5);void keychoose()/增加键1if(key1=0&&choose=0x00)delay(5);if(key1=0)choose=0x01;if(key1=1&&choose=0x01)delay(5);if(key1=1)choose=0x00;does=1;/does一次被允许的执行，有一次操纵

32、机会/减少键2if(key2=0&&choose=0x00)delay(5);if(key2=0)choose=0x02;if(key2=1&&choose=0x02)delay(5);if(key2=1)choose=0x00;does=1;/确认键 下一步 3if(key3=0&&choose=0x00)delay(5);if(key3=0)choose=0x04;keep+;if(key3=1&&choose=0x04)delay(5);if(key3=1)choose=0x00;does=1;/返回或取消键4if(key4=0&