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2020-6-15 13:51
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//ÏÂÃæß@ÊÇ†ÎÆ¬™C´ú´a£»
#include "reg52.h"
typedef unsigned int u16;
typedef unsigned char u8;
sbit IRIN=P3^2;
sbit led=P2^1;
u8 IrValue[6];
u8 Time;
void delay(u16 i)
{
while(i--);
}
void IrInit()
{
IT0=1;
EX0=1;
EA=1;
IRIN=1;
}
void main()
{ IrInit();
if(IrValue[2]==0x45)
{
led=~led;
}
}
void ReadIr() interrupt 0
{
u8 j,k;
u16 err;
Time=0;
delay(700);
if(IRIN==0)
{
err=1000;
while((IRIN==0)&&(err>0))
{
delay(1);
err--;
}
if(IRIN==1)
{
err=500;
while((IRIN==1)&&(err>0))
{
delay(1);
err--;
}
for(k=0;k<4;k++)
{
for(j=0;j<8;j++)
{
err=60;
while((IRIN==0)&&(err>0))
{
delay(1);
err--;
}
err=500;
while((IRIN==1)&&(err>0))
{
delay(10);
Time++;
err--;
if(Time>30)
{
return;
}
}
IrValue[k]>>=1;
if(Time>=8)
{
IrValue[k]|=0x80;
}
Time=0;
}
}
}
if(IrValue[2]!=~IrValue[3])
{
return;
}
}
}
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2020-6-16 15:50
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