基于51单片机的简易电子表.docx
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基于51单片机的简易电子表.docx
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基于51单片机的简易电子表
基于51单片机的简易电子表
/*****************************************************************
阿斌独家制作:
电子表1602液晶显示带有闹钟功能
每天到指定时间后闹钟提醒闹钟响后按s4键关闭闹钟
如果闹钟响后大约20秒未检测到s4键按下,则闹钟自动关闭
******************************************************************/
主程序:
#include
#defineucharunsignedchar
#defineuintunsignedint
sbitlcden=P2^2;
sbitlcdrw=P2^1;
sbitlcdrs=P2^0;
sbits1=P3^0;
sbits2=P3^1;
sbits3=P3^2;
sbits4=P3^3;
sbitrd=P3^7;
sbitbeep=P1^2;
uintnian,a;
ucharcount,s1num,i,xq,ri,yue,flag;
charshi,fen,miao,shia,fena,miaoa;
ucharcodetable[]="2012-11-19MON";
ucharcodetable1[]="00:
00:
00";
ucharcodexq1[]="MON";
ucharcodexq2[]="TUE";
ucharcodexq3[]="WED";
ucharcodexq4[]="THU";
ucharcodexq5[]="FRI";
ucharcodexq6[]="SAT";
ucharcodexq7[]="SUN";
voiddelay(uintz)
{
uintx,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
voiddidi()
{
beep=1;
delay(5);
beep=0;
delay(5);
beep=1;
delay(5);
beep=0;
delay(5);
}
voidwrite_com(ucharcom)
{
lcdrs=0;
lcden=0;
lcdrw=0;
P0=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
voidwrite_date(uchardate)
{
lcdrs=1;
lcden=0;
lcdrw=0;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
voidinit()
{
ucharnum;
lcden=0;
xq=1;ri=19;yue=11;nian=2012;
a=1000;flag=0;
shia=00;fena=00;miaoa=05;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80);
for(num=0;num<16;num++)
{
write_date(table[num]);
delay(5);
}
write_com(0x80+0x40);
for(num=0;num<12;num++)
{
write_date(table1[num]);
delay(5);
}
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
}
voidwrite_sfm2(ucharadd,uintdate)
{
ucharqian,bai,shi,ge;
qian=date/1000;
bai=date%1000/100;
shi=date%100/10;
ge=date%10;
write_com(0x80+add);
write_date(0x30+qian);
write_date(0x30+bai);
write_date(0x30+shi);
write_date(0x30+ge);
}
voidwrite_sfm1(ucharadd,uchardate)
{
ucharshi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+add);
write_date(0x30+shi);
write_date(0x30+ge);
}
voidwrite_sfm(ucharadd,uchardate)
{
ucharshi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x40+add);
write_date(0x30+shi);
write_date(0x30+ge);
}
voidwrite_xq()
{
write_com(0x80+13);
switch(xq)
{
case1:
for(i=0;i<3;i++)
{
write_date(xq1[i]);
delay(5);
}break;
case2:
for(i=0;i<3;i++)
{
write_date(xq2[i]);
delay(5);
}break;
case3:
for(i=0;i<3;i++)
{
write_date(xq3[i]);
delay(5);
}break;
case4:
for(i=0;i<3;i++)
{
write_date(xq4[i]);
delay(5);
}break;
case5:
for(i=0;i<3;i++)
{
write_date(xq5[i]);
delay(5);
}break;
case6:
for(i=0;i<3;i++)
{
write_date(xq6[i]);
delay(5);
}break;
case7:
for(i=0;i<3;i++)
{
write_date(xq7[i]);
delay(5);
}break;
default:
break;
}
}
voidkeyscan1()
{
if(s4==0)
{
delay(5);
if(s4==0)
{
while(!
s4);
flag=1;
}
}
}
voidkeyscan()
{
rd=0;
if(s1==0)
{
delay(5);
if(s1==0)
{
s1num++;
while(!
s1);
if(s1num==1)
{
TR0=0;
write_com(0x80+0x40+10);
write_com(0x0f);
}
}
if(s1num==2)
{
write_com(0x80+0x40+7);
}
if(s1num==3)
{
write_com(0x80+0x40+4);
}
if(s1num==4)
{
write_com(0x80+13);
}
if(s1num==5)
{
write_com(0x80+10);
}
if(s1num==6)
{
write_com(0x80+7);
}
if(s1num==7)
{
write_com(0x80+2);
}
if(s1num==8)
{
s1num=0;
write_com(0x0c);
TR0=1;
}
}
if(s1num!
=0)
{
if(s2==0)
{
delay(5);
if(s2==0)
{
while(!
s2);
if(s1num==1)
{
miao++;
if(miao==60)
miao=0;
write_sfm(10,miao);
write_com(0x80+0x40+10);
}
if(s1num==2)
{
fen++;
if(fen==60)
fen=0;
write_sfm(7,fen);
write_com(0x80+0x40+7);
}
if(s1num==3)
{
shi++;
if(shi==24)
shi=0;
write_sfm(4,shi);
write_com(0x80+0x40+4);
}
if(s1num==4)
{
xq++;
if(xq==8)
xq=1;
write_xq();
write_com(0x80+13);
}
if(s1num==5)
{
ri++;
switch(yue)
{
case1:
case3:
case5:
case7:
case8:
case10:
case12:
if(ri==32)ri=1;break;
case4:
case6:
case9:
case11:
if(ri==31)ri=1;break;
case2:
if(nian%4==0&&nian%100!
=0||nian%400==0)
{
if(ri==30)
ri=0;
}
elseif(ri==29)
ri=0;
break;
}
write_sfm1(10,ri);
write_com(0x80+10);
}
if(s1num==6)
{
yue++;
if(yue==13)
yue=1;
write_sfm1(7,yue);
write_com(0x80+7);
}
if(s1num==7)
{
nian++;
if(nian==2100)
nian=2000;
write_sfm2(2,nian);
write_com(0x80+2);
}
}
}
if(s3==0)
{
delay(5);
if(s3==0)
{
while(!
s3);
if(s1num==1)
{
miao--;
if(miao==-1)
miao=59;
write_sfm(10,miao);
write_com(0x80+0x40+10);
}
if(s1num==2)
{
fen--;
if(fen==-1)
fen=59;
write_sfm(7,fen);
write_com(0x80+0x40+7);
}
if(s1num==3)
{
shi--;
if(shi==-1)
shi=23;
write_sfm(4,shi);
write_com(0x80+0x40+4);
}
if(s1num==4)
{
xq--;
if(xq==0)
xq=7;
write_xq();
write_com(0x80+13);
}
if(s1num==5)
{
ri--;
switch(yue)
{
case1:
case3:
case5:
case7:
case8:
case10:
case12:
if(ri==0)ri=31;break;
case4:
case6:
case9:
case11:
if(ri==0)ri=30;break;
case2:
if(nian%4==0&&nian%100!
=0||nian%400==0)
{
if(ri==0)
ri=29;
}
elseif(ri==0)
ri=28;
break;
}
write_sfm1(10,ri);
write_com(0x80+10);
}
if(s1num==6)
{
yue--;
if(yue==0)
yue=12;
write_sfm1(7,yue);
write_com(0x80+7);
}
if(s1num==7)
{
nian--;
if(nian==1999)
nian=2099;
write_sfm2(2,nian);
write_com(0x80+2);
}
}
}
}
}
voidset_alarm()
{
if(shi==shia&&fen==fena&&miao==miaoa)
{
while(a--)
{
didi();
keyscan1();
if(flag==1)
{
flag=0;
break;
}
}
a=1000;
}
}
voidmain()
{
init();
while
(1)
{
keyscan();
set_alarm();
}
}
voidtimer0()interrupt1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
count++;
if(count==18)
{
count=0;
miao++;
if(miao==60)
{
miao=0;
fen++;
if(fen==60)
{
fen=0;
shi++;
if(shi==24)
{
shi=0;
xq++;
if(xq=8)
{
xq=1;
}
write_xq();
ri++;
switch(yue)
{
case1:
case3:
case5:
case7:
case8:
case10:
case12:
if(ri==32)ri=1;break;
case4:
case6:
case9:
case11:
if(ri==31)ri=1;break;
case2:
if(nian%4==0&&nian%100!
=0||nian%400==0)
{
if(ri==30)
ri=0;
}
elseif(ri==29)
ri=0;
break;
default:
break;
}
if(ri==31||ri==30||ri==29||ri==28)
{
yue++;
if(yue==13)
{
yue=1;
nian++;
if(nian==2099)
nian=2000;
write_sfm2(2,nian);
}
write_sfm1(7,yue);
}
write_sfm1(10,ri);
}
write_sfm(4,shi);
}
write_sfm(7,fen);
}
write_sfm(10,miao);
}
}
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