#include<STC15.H>#define uchar unsigned char#define uint unsigned intuchar code DSY_DUAN[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40};
unsigned char digbuf[]={0,0};
uint cnt,second;void delayms(uint z)
{
uint i,j;
for(i=z;i>0;i--)
for(j=115;j>0;j--);
}
void shujuchuli()
{
digbuf[0]=second%10;
digbuf[1]=second/10;
}
void display()
{ uint t;
for(t=0;t<2;t++)
{
P2=~(0x01<<t);
P0=DSY_DUAN[digbuf[t]];
delayms(1);
P0=0x00;
}
}
void Timer0() interrupt 1
{ TH0=(65536-50000);
TL0=(65536-50000);
cnt++;
if(cnt==40)
{
cnt=0;
second++;
if(second==99)
{
second=0;
}
}
}
void main()
{
TMOD=0x01;
TH0=(65536-50000);
TL0=(65536-50000);
EA=1;
ET0=1;
TR0=1;
while(1)
{
shujuchuli();
display();
}
} |
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