#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
unsigned char disptable[17] ={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E};
unsigned char disptemp[6];
unsigned int timecount=100;
void delay(uint z);
unsigned char dispconv( unsigned char chartemp)
{
unsigned char x;
x=disptable[chartemp];
return (x);
}
void time0() interrupt 1
{
TH0 = 0xd8;
TL0 = 0xf0;
if(--timecount==0)
{
timecount=100;
if(++disptemp[0]>9) //
{
disptemp[0]=0;
if(++disptemp[1]>5)
{
disptemp[1]=0;
if(++disptemp[2]>9)
{
disptemp[2]=0;
if(++disptemp[3]>5)
{
disptemp[3]=0;
if(disptemp[5]<2)
{
if(++disptemp[4]>9)
{
disptemp[4]=0;
disptemp[5]++;
}
}
else
if (++disptemp[4]==4 && disptemp[5]==2)
{
disptemp[4]=0;
disptemp[5]=0;
}
}
}
}
}
}
}
void main()
{
unsigned int i;
unsigned int y;
disptemp[0]=0;
disptemp[1]=0;
disptemp[2]=0;
disptemp[3]=5;
disptemp[4]=3;
disptemp[5]=2;
TMOD = 0x01;
TH0 = 0xd8;
TL0 = 0xf0;
IE = 0x82;
TR0 = 1;
while(1)
{
for(i=0;i<6;i++)
{
if (i==0)
{
P1=0Xfb;//1111 1011
P2=dispconv(disptemp[0]);
}
else if (i==1)
{
P1=0Xf7;//1111 0111
P2=dispconv(disptemp[1]);
}
else if (i==2)
{
P1=0Xef;//1110 1111
P2=dispconv(disptemp[2]);
}
else if (i==3)
{
P1=0Xdf;//1101 1111
P2=dispconv(disptemp[3]);
}
else if (i==4)
{
P1=0Xbf;//1011 1111
P2=dispconv(disptemp[4]);
}
else if (i==5)
{
P1=0X7f;//0111 1111
P2=dispconv(disptemp[5]);
}
for (y=150;y>0;y--);
}
}
}void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
