#include<reg52.h>
#include<stdio.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P2^6;
sbit wela=P2^7;
uchar code table[]={0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
uchar i;
uchar irtime;
uchar startflag;
uchar irdata[33];
uchar bitnum;
uchar irreceok;
uchar ircode[4];
uchar irprosok;
uchar disp[8];
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void Tiemr0init ( void )
{
TMOD=0x02;
TH0=0x00;
TL0=0x00;
ET0=1;
EA=1;
TR0=1;
}
void int0init ( void )
{
IT0=1;
EX0=1;
EA=1;
}
void ser_init ( void )
{
TMOD = 0x20;
SCON = 0x50;
TH1 = 0xFD;
TL1 = TH1;
PCON = 0x00;
EA = 1;
ES = 1;
TR1 = 1;
}
void irwork()
{
disp[0]=ircode[0]/16;
disp[1]=ircode[0]%16;
disp[2]=ircode[1]/16;
disp[3]=ircode[1]%16;
disp[4]=ircode[2]/16;
disp[5]=ircode[2]%16;
disp[6]=ircode[3]/16;
disp[7]=ircode[3]%16;
}
void dispaly()
{
wela=1;
P0=0xfe;
wela=0;
dula=1;
P0=table[disp[4]];
dula=0;
delayms(5);
wela=1;
P0=0xfd;
wela=0;
dula=1;
P0=table[disp[5]];
dula=0;
delayms(5);
wela=1;
P0=0xfb;
wela=0;
dula=1;
P0=table[disp[6]];
dula=0;
delayms(5);
wela=1;
P0=0xf7;
wela=0;
dula=1;
P0=table[disp[7]];
dula=0;
delayms(5);
}
void irpros()
{
uchar k;
uchar value;
uchar j;
k=1;
for(j=0;j<4;j++)
{
for(i=0;i<8;i++)
{
value=value>>1;
if(irdata[k]>6)
{
value=value|0x80;
}
k++;
}
ircode[j]=value;
}
irprosok=1;
}
void main()
{
Tiemr0init();
int0init();
ser_init();
while(1)
{
if(irreceok)
{
irpros();
irreceok=0;
}
if(irprosok)
{
irwork();
irprosok=0;
}
for(i=0;i<8;i++)
{
ES=0
printf("%d",disp[i]);
while(!TI);
TI=0;
ES=1;
}
}
}
void timer0() interrupt 1
{
irtime++;
}
void int0() interrupt 0
{
if(startflag)
{
if(irtime>32)
{
bitnum=0;
}
irdata[bitnum]=irtime;
irtime=0;
bitnum++;
if(bitnum==33)
{
bitnum=0;
irreceok=1;
}
}
else
{
startflag=1;
irtime=0;
}
}
不能在串口中输出
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