第1个回答 2011-04-20
52.h>
#define uchar unsigned char
#define uint unsigned int
uchar code table[]="2010-09-01 02";
uchar code table1[]="00:00:00";
sbit lcden=P2^6 ;
sbit lcdrw=P2^5;
sbit lcdrs=P2^4;
sbit s1=P3^0;
sbit s2=P3^1;
sbit s3=P3^2;
uchar num,count,s1num;
char nian,yue,ri,xq,shi,fen,miao;
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void write_com(uchar com)
{
lcdrs=0;
lcdrw=0;
delay(5);
lcden=1;
P0=com;
delay(5);
lcden=0;
}
void write_data(uchar date)
{
lcdrs=1;
lcden=1;
delay(5);
P0=date;
delay(5);
lcden=0;
}
void init()
{
lcden=0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80+0x01);
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
xq=2;
yue=9;
ri=1;
nian=10;
for(num=0;num<14;num++)
{
write_data(table[num]);
delay(20);
}
write_com(0x80+0x44);
for(num=0;num<8;num++)
{
write_data(table1[num]);
delay(20);
}
}
void write_nyr(uchar ad,uchar da)
{
uchar shi,ge;
shi=da/10;
ge=da%10;
write_com(0x80+ad);
write_data(0x30+shi);
write_data(0x30+ge);
}
void write_sfm(uchar add,uchar date)
{
uchar shi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x40+add);
write_data(0x30+shi);
write_data(0x30+ge);
}
void keyscan()
{
if(s1==0)
{
delay(5);
if(s1==0)
{
s1num++;
while(!s1);
if(s1num==1)
{
TR0=0;
write_com(0x80+0x40+11);
write_com(0x0f);
}
if(s1num==2)
{
write_com(0x80+0x40+8);
}
if(s1num==3)
{
write_com(0x80+0x40+5);
}
if(s1num==4)
{
write_com(0x80+14);
}
if(s1num==5)
{
write_com(0x80+10);
}
if(s1num==6)
{
write_com(0x80+7);
}
if(s1num==7)
{
write_com(0x80+4);
}
if(s1num==8)
{
s1num=0;
write_com(0x80+0x40+11);
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+11);
}
if(s1num==2)
{
fen++;
if(fen==60)
{
fen=0;
}
write_sfm(7,fen);
write_com(0x80+0x40+8);
}
if(s1num==3)
{
shi++;
if(shi==24)
{
shi=0;
}
write_sfm(4,shi);
write_com(0x80+0x40+5);
}
if(s1num==4)
{
xq++;
if(xq==8)
{
xq=1;
}
write_nyr(13,xq);
write_com(0x80+14);
}
if(s1num==5)
{
ri++;
if(ri==32)
{
ri=1;
}
write_nyr(9,ri);
write_com(0x80+10);
}
if(s1num==6)
{
yue++;
if(yue==13)
{
yue=1;
}
write_nyr(6,yue);
write_com(0x80+7);
}
if(s1num==7)
{
nian++;
write_nyr(3,nian);
write_com(0x80+4);
}
}
}
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+11);
}
if(s1num==2)
{
fen--;
if(fen==-1)
{
fen=59;
}
write_sfm(7,fen);
write_com(0x80+0x40+8);
}
if(s1num==3)
{
shi--;
if(shi==-1)
{
shi=23;
}
write_sfm(4,shi);
write_com(0x80+0x40+5);
}
if(s1num==4)
{
xq--;
if(xq==0)
{
xq=7;
}
write_nyr(13,xq);
write_com(0x80+14);
}
if(s1num==5)
{
ri--;
if(ri==0)
{
ri=31;
}
write_nyr(9,ri);
write_com(0x80+10);
}
if(s1num==6)
{
yue--;
if(yue==0)
{
yue=12;
}
write_nyr(6,yue);
write_com(0x80+7);
}
if(s1num==7)
{
nian--;
write_nyr(3,nian);
write_com(0x80+4);
}
}
}
}
}
void main()
{
init();
while(1)
{
keyscan();
if(count==20)
{
count=0;
miao++;
if(miao==60)
{
miao=0;
fen++;
if(fen==60)
{
fen=0;
shi++;
if(shi==24)
{
shi=0;
ri++;
if(ri==31)
{
ri=0;
yue++;
if(yue==12)
{
yue=0;
nian++;
write_nyr
(3,nian);
}
write_nyr(6,yue);
}
write_nyr(9,ri);
}
write_sfm(4,shi);
}
write_sfm(7,fen);
}
write_sfm(10,miao);
}
}
while(1);
}
void timer0() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
count++;
}我已经试过可以。
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