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本帖最后由 hutians 于 2015-2-10 01:28 编辑
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P2^6;
sbit wela=P2^7;
sbit lcden=P3^4;
sbit lcdrs=P3^5;
sbit s1=P3^0;
sbit s2=P3^1;
sbit s3=P3^2;
sbit rd=P3^7;
const uchar table[]=" 2015-02-02 MON"; //15
const uchar table1[]=" 00:00:00"; //9
uchar t0,s1num;
char nian,yue,ri,week,shi,fen,miao;
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void write_comm(uchar comm)
{
lcdrs=0;
lcden=0;
P0=comm;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_date(uchar date)
{
lcdrs=1;
lcden=0;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void init()
{
uchar num;
dula=0;
wela=0;
lcden=0;
write_comm(0x38);
write_comm(0x0c);
write_comm(0x06);
write_comm(0x01);
write_comm(0x80);
for(num=0;num<15;num++)
{
write_date(table[num]);
delay(5);
}
write_comm(0x80+0x40+2);
for(num=0;num<9;num++)
{
write_date(table1[num]);
delay(5);
}
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
}
void write_sfm(uchar address,uchar date) //时分秒
{
uchar shi,ge;
shi=date/10;
ge=date%10;
write_comm(0x80+0x40+address);
write_date(0x30+shi);
write_date(0x30+ge);
}
void write_nyr(uchar address,uchar date) //年月日
{
char shi,ge;
shi=date/10;
ge=date%10;
write_comm(0x80+address);
write_date(0x30+shi);
write_date(0x30+ge);
}
void write_week(char week)
{
write_comm(0x80+12);
switch(week)
{
case 1: write_date('M'); delay(5);
write_date('O'); delay(5);
write_date('N');
break;
case 2: write_date('T'); delay(5);
write_date('U'); delay(5);
write_date('E');
break;
case 3: write_date('W'); delay(5);
write_date('E'); delay(5);
write_date('D');
break;
case 4: write_date('T'); delay(5);
write_date('H'); delay(5);
write_date('U');
break;
case 5: write_date('F'); delay(5);
write_date('R'); delay(5);
write_date('T');
break;
case 6: write_date('S'); delay(5);
write_date('A'); delay(5);
write_date('T');
break;
case 7: write_date('S'); delay(5);
write_date('U'); delay(5);
write_date('N');
break;
}
}
void keyscan()
{
rd=0;
s1=1;
if(s1==0)
{
delay(5);
if(s1==0)
{
while(!s1);
s1num++;
if(s1num==1)
{
TR0=0;
write_comm(0x0f);
write_comm(0x80+0x40+9);
}
if(s1num==2)
{
write_comm(0x80+0x40+6);
}
if(s1num==3)
{
write_comm(0x80+0x40+3);
}
if(s1num==4)
{
write_comm(0x80+12);
}
if(s1num==5)
{
write_comm(0x80+9);
}
if(s1num==6)
{
write_comm(0x80+6);
}
if(s1num==7)
{
write_comm(0x80+3);
}
if(s1num==8)
{
s1num=0;
write_comm(0x0c);
TR0=1;
}
}
}
if(!s1num==0)
{
if(s2==0)
{
delay(5);
if(s2==0)
{
if(s1num==1) //判断地址指针位置
{
miao++;
if(miao==60)
miao=0;
write_sfm(9,miao);
write_comm(0x80+0x40+9);
}
if(s1num==2)
{
fen++;
if(fen==60)
fen=0;
write_sfm(6,fen);
write_comm(0x80+0x40+6);
}
if(s1num==3)
{
shi++;
if(shi==24)
shi=0;
write_sfm(3,shi);
write_comm(0x80+0x40+3);
}
if(s1num==4)
{
week++;
if(week==8)
week=1;
write_week(week);
write_comm(0x80+12);
}
if(s1num==5)
{
ri++;
if(ri==32)
{
ri=1;
}
write_nyr(9,ri);
write_comm(0x80+9);
}
if(s1num==6)
{
yue++;
if(yue==13)
yue=1;
write_nyr(6,yue);
write_comm(0x80+6);
}
if(s1num==7)
{
nian++;
if(nian==100)
nian=1;
write_nyr(3,nian);
write_comm(0x80+3);
}
while(!s2); }
}
if(s3==0)
{
delay(5);
if(s3==0)
{
if(s1num==1)
{
miao--;
if(miao==-1)
miao=59;
write_sfm(9,miao);
write_comm(0x80+0x40+9);
}
if(s1num==2)
{
fen--;
if(fen==-1)
fen=59;
write_sfm(6,fen);
write_comm(0x80+0x40+6);
}
if(s1num==3)
{
shi--;
if(shi==-1)
shi=23;
write_sfm(3,shi);
write_comm(0x80+0x40+3);
}
if(s1num==4)
{
week--;
if(week==0)
week=7;
write_week(week);
write_comm(0x80+12);
}
if(s1num==5)
{
ri--;
if(ri==0)
ri=31;
write_nyr(9,ri);
write_comm(0x80+9);
}
if(s1num==6)
{
yue--;
if(yue==0)
yue=12;
write_nyr(6,yue);
write_comm(0x80+6);
}
if(s1num==7)
{
nian--;
if(nian==0)
nian=100;
write_nyr(3,nian);
write_comm(0x80+3);
}
while(!s3);
}
}
}
}
void main()
{
init();
while(1)
{
keyscan();
}
}
void timer0() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
t0++;
if(t0==18)
{
t0=0;
miao++;
if(miao==60)
{
miao=0;
fen++;
if(fen==60)
{
fen=0;
shi++;
if(shi==24)
{
shi=0;
ri++;
if(ri==32)
{
ri=1;
yue++;
if(yue==13)
{
yue=1;
nian++;
if(nian==100)
{
nian=1;
}
write_nyr(3,nian);
}
write_nyr(6,yue);
}
write_nyr(9,ri);
week++;
if(week==8)
{
week=1;
}
}
write_sfm(3,shi);
}
write_sfm(6,fen);
}
write_sfm(9,miao);
}
}
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