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- 2014-11-13
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#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
uchar code du[] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
uchar code we[] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf};
sbit dula = P2^6;
sbit wela = P2^7;
sbit coke = P2^3;
uchar shi,fen,miao,aa;
void display(uchar);
void delay(uint z)
{
uint x;
for(;z>0;z--)
for(x=110;x>0;x--);
}
void mm(uchar a,k)
{
wela=1;
P0=we[a];
wela=0;
dula=1;
P0=du[k];
dula=0;
delay(1);
P0=0xff;
}
void main()
{
uchar temp;
uchar miao_ge,miao_shi,fen_ge,fen_shi;
uchar shi_ge,shi_shi;
aa=0;
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
while(1)
{
miao_ge =(miao%10);
miao_shi=(miao/10);
fen_ge=(fen%10);
fen_shi=(fen/10);
shi_ge=(shi%10);
shi_shi=(shi/10);
dula=1;
wela=1;
mm(5,miao_ge);
mm(4,miao_shi);
mm(3,fen_ge);
mm(2,fen_shi);
mm(1,shi_ge);
mm(0,shi_shi);
dula = 0;
wela = 0;
P0 = 0xff;
if(aa<10)
{
dula = 1;
P0 = 0x80;
dula = 0;
wela = 1;
P0 = 0x15;
wela = 0;
P0 = 0xff;
}
}
}
void timer0() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
aa++;
if(aa==20)
{
aa=0;
miao++;
if(miao>59)
{
fen++;
miao=0;
}
if(fen>59)
{
shi++;
fen=0;
}
if(shi>23)
{
shi=0;
}
}
if(fen==0&&miao==0)
{
coke=0;
}
else
{
coke=1;
}
}
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