#include<reg52.h>
typedef unsigned char u8;
typedef unsigned int u16;
u8 l,m,k,n,x;
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
sbit A=P3^2;
u8 IrValue[6];
u8 display[8];
u8 code smgduan[17]=
{0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0X76};
void delay(int t)
{
while(t--); //10us
}
void adisplay()
{ u8 i;
for(i=0;i<3;i++)
{
switch(i)
{
case(0):
LSA=0;LSB=0;LSC=0;P0=display[0];break;
case(1):
LSA=1;LSB=0;LSC=0;P0=display[1];break;
case(2):
LSA=0;LSB=1;LSC=0;P0=display[2];break;
}
delay(100);
P0=0x00;
}
}
void into()
{
IT0=1;
EX0=1;
EA=1;
A=1;
}
void main()
{
into();
while(1)
{
display[0] = smgduan[IrValue[2]/16];
display[1] = smgduan[IrValue[2]%16];
display[2] = smgduan[16];
adisplay();
}
}
void zd() interrupt 0
{
n=0;
while(!A)
{
delay(10);
}
while(A)
{
delay(10);
}
for(l=0;l<4;l++)
{
for(m=0;m<8;m++)
{
while(!A)
{
delay(1);
}
while(A)
{
delay(1); //10us
n++;
if(n>300)
{
return;
}
}
IrValue[l]=IrValue[l] >> 1;
if(n>=100)
{
IrValue[l]=IrValue[l]|0x80;
n=0;
}
}
}
if(IrValue[2]!=~IrValue[3])
{
return;
}
}
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