这是我做的一个单片机万能红外解码器PCB+源程序 -

#include<reg52.h>
#include"bst_car.h"
#include"led.h"
#include "uart.h"
#define uchar unsigned char
#define uint unsigned int
#define Imax 14000 //此处为晶振为11.0592时的取值,
#define Imin 8000 //如用其它频率的晶振时,
#define Inum1 1450 //要改变相应的取值。
#define Inum2 700
#define Inum3 3000
sbit s1=P2^1;
sbit s2=P2^4;
sbit s3=P2^3;
sbit s4=P2^2;
sbit fmq=P2^0;
sbit s11=P3^7;
sbit s12=P3^6;
sbit s13=P3^5;
sbit s14=P3^4;
unsigned char flag_REC;
unsigned char buff[20]=0;
unsigned char f=0,aa,zz,cc,cc1,dd;
unsigned char Im[4]={0x00,0x00,0x00,0x00};
unsigned char show[2]={0,0};
unsigned long m,Tc;
unsigned char IrOK;
uchar code Tab1[]={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};//"0123456789ABCDEF";
uchar Tab2[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
/************************************************************************/
void delayms(uchar x)
{
unsigned int i,j;
for(i=0;i<x;i++)
for(j=0;j<110;j++)
;
}
/*--主函数--*/
void jieshou()
{
if(Im[2]==Tab2[1])
{
aa=aa;
}
else
if(Im[2]==Tab2[2])
{
aa=aa;
}
else
if(Im[2]==Tab2[3])
{
aa=aa;
}
else
if(Im[2]==Tab2[4])
{
aa=aa;
}
else
if(Im[2]==Tab2[5])
{
aa=aa;
}
else
if(Im[2]==Tab2[6])
{
aa=aa;
}
else
if(Im[2]==Tab2[7])
{
aa=aa;
}
else
if(Im[2]==Tab2[8])
{
aa=aa;
}
else
if(Im[2]==Tab2[9])
{
aa=aa;
}
else
if(Im[2]==Tab2[10])
{
aa=aa;
}
else
if(Im[2]==Tab2[11])
{
aa=aa;
}
else
if(Im[2]==Tab2[12])
{
aa=aa;
}
else
if(Im[2]==Tab2[13])
{
aa=aa;
}
else
if(Im[2]==Tab2[14])
{
aa=aa;
}
else
if(Im[2]==Tab2[15])
{
aa=aa;
}
else
if(Im[2]==Tab2[16])
{
aa=aa;
}
else
if(Im[2]==Tab2[17])
{
aa=aa;
}
else
if(Im[2]==Tab2[18])
{
aa=aa;
}
else
if(Im[2]==Tab2[19])
{
aa=aa;
}
else
if(Im[2]==Tab2[20])
{
aa=aa;
}
else
if(Im[2]==Tab2[21])
{
aa=aa;
}
else
if(Im[2]==Tab2[22])
{
aa=aa;
}
else
if(Im[2]==Tab2[23])
{
aa=aa;
}
else
if(Im[2]==Tab2[24])
{
aa=aa;
}
else
{aa=aa+1;}
}
void shuju()
{
Tab2[aa]=Im[2];
if(Im[2]==Tab2[1])
{
s1=~s1;
LcdWriteCom(0x84);
LcdWriteData('0'+0);
LcdWriteData('0'+1);
}
else
if(Im[2]==Tab2[2])
{
LcdWriteCom(0x84);
LcdWriteData('0'+0);
LcdWriteData('0'+2);
s2=~s2;
}
else
if(Im[2]==Tab2[3])
{
s3=~s3;
LcdWriteCom(0x84);
LcdWriteData('0'+0);
LcdWriteData('0'+3);
}
else
if(Im[2]==Tab2[4])
{
s4=~s4;
LcdWriteCom(0x84);
LcdWriteData('0'+0);
LcdWriteData('0'+4);
}
else
// { dd=1;
// TMOD= 0X20;
if(Im[2]==Tab2[5])
{
dd=dd+1;
LcdWriteCom(0x84);
LcdWriteData('0'+0);
LcdWriteData('0'+5);
}
else
if(Im[2]==Tab2[6])
{
// dd=0;
// TMOD= 0X11;
LcdWriteCom(0x84);
LcdWriteData('0'+0);
LcdWriteData('0'+6);
}
else
if(Im[2]==Tab2[7])
{
LcdWriteCom(0x84);
LcdWriteData('0'+0);
LcdWriteData('0'+7);
}
else
if(Im[2]==Tab2[8])
{
LcdWriteCom(0x84);
LcdWriteData('0'+0);
LcdWriteData('0'+8);
}
else
if(Im[2]==Tab2[9])
{
LcdWriteCom(0x84);
LcdWriteData('0'+0);
LcdWriteData('0'+9);
}
else
if(Im[2]==Tab2[10])
{
LcdWriteCom(0x84);
LcdWriteData('0'+1);
LcdWriteData('0'+0);
}
else
if(Im[2]==Tab2[11])
{
LcdWriteCom(0x84);
LcdWriteData('0'+1);
LcdWriteData('0'+1);
}
else
if(Im[2]==Tab2[12])
{
LcdWriteCom(0x84);
LcdWriteData('0'+1);
LcdWriteData('0'+2);
}
else
if(Im[2]==Tab2[13])
{
LcdWriteCom(0x84);
LcdWriteData('0'+1);
LcdWriteData('0'+3);
} else
if(Im[2]==Tab2[14])
{
LcdWriteCom(0x84);
LcdWriteData('0'+1);
LcdWriteData('0'+4);
}
else
if(Im[2]==Tab2[15])
{
LcdWriteCom(0x84);
LcdWriteData('0'+1);
LcdWriteData('0'+5);
}
else
if(Im[2]==Tab2[16])
{
LcdWriteCom(0x84);
LcdWriteData('0'+1);
LcdWriteData('0'+6);
}
else
if(Im[2]==Tab2[17])
{
LcdWriteCom(0x84);
LcdWriteData('0'+1);
LcdWriteData('0'+7);
}
else
if(Im[2]==Tab2[18])
{
LcdWriteCom(0x84);
LcdWriteData('0'+1);
LcdWriteData('0'+8);
}
else
if(Im[2]==Tab2[19])
{
LcdWriteCom(0x84);
LcdWriteData('0'+1);
LcdWriteData('0'+9);
}
else
if(Im[2]==Tab2[20])
{
LcdWriteCom(0x84);
LcdWriteData('0'+2);
LcdWriteData('0'+0);
}
else
if(Im[2]==Tab2[21])
{
LcdWriteCom(0x84);
LcdWriteData('0'+2);
LcdWriteData('0'+1);
} else
if(Im[2]==Tab2[22])
{
LcdWriteCom(0x84);
LcdWriteData('0'+2);
LcdWriteData('0'+2);
}
else
if(Im[2]==Tab2[23])
{
LcdWriteCom(0x84);
LcdWriteData('0'+2);
LcdWriteData('0'+3);
}
else
if(Im[2]==Tab2[24])
{
LcdWriteCom(0x84);
LcdWriteData('0'+2);
LcdWriteData('0'+4);
}
else
if(Im[2]==Tab2[25])
{
LcdWriteCom(0x84);
LcdWriteData('0'+2);
LcdWriteData('0'+5);
}
}
void xianshi()
{
LcdWriteCom(0x8A);
if(cc==0xa)
{
LcdWriteData('A');
}
else
if(cc==0xb)
{
LcdWriteData('B');
}
else
if(cc==0xc)
{
LcdWriteData('C');
}else
if(cc==0xd)
{
LcdWriteData('D');
}else
if(cc==0xe)
{
LcdWriteData('E');
}else
if(cc==0xf)
{
LcdWriteData('F');
}
else
LcdWriteData('0'+Tab1[cc]);
if(cc1==0xa)
{
LcdWriteData('A');
}
else
if(cc1==0xb)
{
LcdWriteData('B');
}
else
if(cc1==0xc)
{
LcdWriteData('C');
}else
if(cc1==0xd)
{
LcdWriteData('D');
}else
if(cc1==0xe)
{
LcdWriteData('E');
}else
if(cc1==0xf)
{
LcdWriteData('F');
}
else
LcdWriteData('0'+Tab1[cc1]);
}
void lanya()
{
if(flag_REC==1) //
{
flag_REC=0;
if(buff[0]=='o') //第一个字节为O，第二个字节为N，第三个字节为控制码
switch(buff[1])
{
case '1' :
if(buff[2]=='0')
s1=1;
else
s1=0;
break;
case '2':
if(buff[2]=='0')
s2=1;
else
s2=0;
break;
case '3':
if(buff[2]=='0')
s3=1;
else
s3=0;
break;
case '4':
if(buff[2]=='0')
s4=1;
else
s4=0;
break;
case '5':
if(buff[2]=='0')
dd=1;
else
dd=0;
break;
}
LcdWriteCom(0xC7);
LcdWriteData('O');
LcdWriteData('0'+buff[1]);
LcdWriteData('0'+buff[2]);
}
}
void hwint()
{
s11=s12=s13=s14=0;
m=0;
f=1;
IT0=1;
EX0=1;
TMOD=0x11;
TH0=0;
TL0=0;
TR0=1;
EA=1;
}
void main(void)
{
LcdInit();
hwint();
aa=0;
LcdWriteCom(0x80);
LcdWriteData('H');
LcdWriteData('W');
LcdWriteCom(0xC0);
LcdWriteData('L');
LcdWriteData('A');
LcdWriteData('N');
LcdWriteData('Y');
LcdWriteData('A');
LcdWriteCom(0x88);
LcdWriteData('0');
LcdWriteData('X');
while(1) /*无限循环*/
{
if(IrOK==1) //如果处理好后进行红外处理
{
shuju();
xianshi();
IrOK=0;
LcdWriteCom(0x8e);
LcdWriteData('0'+dd);
delayms(1000);
EA=1;
}
if(dd==3)
{
dd=0;
Uart_init();
while(1)
{
lanya();
LcdWriteCom(0x8e);
LcdWriteData('0'+dd);
if(dd==1)
{
dd=0;
hwint();
break;
}
}
}
if(s11==1)
{
s1=~s1;
while(!s11);
}
if(s12==1)
{
s2=~s2;
while(!s12);
}
if(s13==1)
{
s3=~s3;
while(!s13);
}
if(s14==1)
{
s4=~s4;
while(!s14);
}
}
}
/************************************************************************/
//外部中断解码程序
void intersvr0(void) interrupt 1 using 1
{
Tc=TH0*256+TL0; //提取中断时间间隔时长
TH0=0;
TL0=0; //定时中断重新置零
if((Tc>Imin)&&(Tc<Imax))
{
m=0;
f=1;
return;
} //找到启始码
if(f==1)
{
if(Tc>Inum1&&Tc<Inum3)
{
Im[m/8]=Im[m/8]>>1|0x80; m++;
}
if(Tc>Inum2&&Tc<Inum1)
{
Im[m/8]=Im[m/8]>>1; m++; //取码
}
if(m==32)
{
m=0;
f=0;
if(Im[2]==~Im[3])
{
IrOK=1;
jieshou();
cc=Im[2]/0x10;
cc1=Im[2]%0x10;
fmq=0;
delayms(100);
fmq=1;
delayms(100);
EA=0;
if(Im[2]==Tab2[aa])
{
delayms(200);
{
if(Im[2]==Tab2[aa])
{
delayms(2100);
}
}
}
}
else IrOK=0; //取码完成后判断读码是否正确
}
//准备读下一码
}
}
void uart_rx(void) interrupt 4 using 3 //放在这里和放在main（）里面是一样的
{
unsigned char i;
unsigned char flag;
unsigned char dat;
if(RI) //是否接收中断
{
RI=0;
dat=SBUF;
if(dat=='o'&&(i==0)) //接收数据第一帧
{
buff[i]=dat;
flag=1; //开始接收数据
}
else
if(flag==1)
{
i++;
buff[i]=dat;
if(i>=2)
{
i=0;
flag=0;
flag_REC=1 ;
} // 停止接收
}
}
}

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