红外遥控，着急啊
#include "reg52.h"
typedef unsigned int u16;
typedef unsigned char u8;
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
sbit IRIN=P3^2;
u8 IrValue;
u8 Time;
u8 DisplayData;
u8 code smgduan={
0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0X76};
void delay(u16 i)
{
while(i--);
}
void DigDisplay()
{
u8 i;
for(i=0;i<3;i++)
{
switch(i)//λ?????????????????
{
case(0):
LSA=0;LSB=0;LSC=0; break;//?????0λ
case(1):
LSA=1;LSB=0;LSC=0; break;//?????1λ
case(2):
LSA=0;LSB=1;LSC=0; break;//?????2λ
}
P0=DisplayData;//????????
delay(100); //????????????
P0=0x00;//????
}
}
void IrInit()
{
IT0=1;//????????
EX0=1;//???ж?0????
EA=1; //?????ж?
IRIN=1;//????????
}
void main()
{
IrInit();
while(1)
{
DisplayData = smgduan/16];
DisplayData = smgduan%16];
DisplayData = smgduan;
DigDisplay();
}
}
void ReadIr() interrupt 0
{
u8 j,k;
u16 err;
Time=0;
delay(700); //7ms
if(IRIN==0)//?????????????????????
{
err=1000; //1000*10us=10ms,????????????????????
while((IRIN==0)&&(err>0))
{
delay(1);
err--;
}
if(IRIN==1) //?????????9ms????
{
err=500;
while((IRIN==1)&&(err>0)) //???4.5ms????????????
{
delay(1);
err--;
}
for(k=0;k<4;k++)//????4??????
{
for(j=0;j<8;j++) //???????????
{
err=60;
while((IRIN==0)&&(err>0))//??????????560us???????
{
delay(1);
err--;
}
err=500;
while((IRIN==1)&&(err>0))//???????????????
{
delay(10);//0.1ms
Time++;
err--;
if(Time>30)
{
return;
}
}
IrValue>>=1;//k????????????
if(Time>=8) //??????????????565us???????1
{
IrValue|=0x80;
}
Time=0;//??????????????
}
}
}
if(IrValue!=~IrValue)
{
return;
}
}
}
这是那个红外遥控的代码但是 DisplayData = smgduan/16];
DisplayData = smgduan%16];
DisplayData = smgduan; 这些代码 我不明白啥意思 有大佬指点一下嘛？？！！！
就是把接收到的红外码以十六进制数显示到数码管上
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