»論壇 › 嵌入式/單片機論壇 › 51單片機 › 紅外遙控器+紅外一體化接收頭部分的仿真

紅外遙控器+紅外一體化接收頭部分的仿真

查看數(shù): 9019 | 評論數(shù): 11 | 收藏 6

關(guān)燈 | 提示：支持鍵盤翻頁<-左右->

帖子模式

51黑ff

發(fā)布時間: 2016-9-25 23:39

正文摘要:

紅外線編碼是數(shù)據(jù)傳輸和家用電器遙控常用的一種通訊方法，其實質(zhì)是一種脈寬調(diào)制的串行通訊。家電遙控中常用的紅外線編碼電路有μPD6121G型HT622型和7461型等。這里就以 ...

回復

ID:437129 發(fā)表于 2024-12-19 14:05

感謝樓主無私奉獻的分享。
原程序只有LCD屏幕顯示遙控器鍵值，發(fā)光二極管沒有點亮。
在樓主的基礎上增加了點燈功能，分享給大家。
#include "At89x51.h"
#include "stdio.h"
#include "stdlib.h"
#include "string.h"

sbit RELAY1= P1^0;
sbit RELAY2= P1^1;
sbit RELAY3= P1^2;
sbit RELAY4= P1^3;
sbit RELAY5= P1^4;
sbit RELAY6= P1^5;
sbit RELAY7= P1^6;
sbit RELAY8= P1^7;
#define JINGZHEN 48
#define TIME0TH ((65536-100*JINGZHEN/12)&0xff00)>>8
#define TIME0TL ((65536-100*JINGZHEN/12)&0xff)
#define TIME1TH ((65536-5000*JINGZHEN/12)&0xff00)>>8
#define TIME1TL ((65536-5000*JINGZHEN/12)&0xff)
#define uchar unsigned char
#define uint  unsigned int

code uchar  BitMsk[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,};

uint IrCount=0,Show=0,Cont=0;
uchar IRDATBUF[32],s[20];
uchar IrDat[5]={0,0,0,0,0};
uchar IrStart=0,IrDatCount=0;
extern void initLCM( void);
extern void DisplayListChar(uchar X,uchar Y, unsigned char *DData);

void timer1int (void)  interrupt 3  using 3{
EA=0;
TH1 = TIME1TH;
TL1 = TIME1TL;
Cont++;
if(Cont>10)Show=1;
EA=1;
}
void timer0int (void)  interrupt 1  using 1{
      uchar i,a,b,c,d;
      EA=0;
      TH0 = TIME0TH;
      TL0 = TIME0TL;
      if(IrCount>500)IrCount=0;
      if(IrCount>300&&IrStart>0){IrStart=0;IrDatCount=0;IrDat[0]=IrDat[1]=IrDat[2]=IrDat[3]=0;IrCount=0;}
      if(IrStart==2)
      {
            IrStart=3;
            for(i=0;i<IrDatCount;i++)
            {
                     if(i<32)
                     {
                              a=i/8;

                              b=IRDATBUF[i];
                              c=IrDat[a];
                              d=BitMsk[i%8];
                              if(b>5&&b<14)c|=d;
                              if(b>16&&b<25)c&=~d;
                              IrDat[a]=c;
                     }
            }
            if(IrDat[2]!=~IrDat[3])
            {
               IrStart=0;IrDatCount=0;IrDat[0]=IrDat[1]=IrDat[2]=IrDat[3]=0;IrCount=0;

            }
            EA=1;
            return;
      }
      IrCount++;
      EA=1;
}
void int0() interrupt 0  using 0  {
      EA=0;
      if(IrStart==0)
      {
      IrStart=1;IrCount=0;TH0 = TIME0TH;TL0 = TIME0TL;
      IrDatCount=0;EA=1;
      return;
      }
      if(IrStart==1)
      {
      if(IrDatCount>0&&IrDatCount<33)
               IRDATBUF[IrDatCount-1]=IrCount;
      if(IrDatCount>31)
               {IrStart=2;TH0 = TIME0TH;TL0 = TIME0TL;EA=1;return;}
      if(IrCount>114&&IrCount<133&&IrDatCount==0)
               {IrDatCount=1;}else if(IrDatCount>0)IrDatCount++;
      }
      IrCount=0;TH0 = TIME0TH;TL0 = TIME0TL;
      EA=1;
}

main()
{
      uchar *a,n;
      TMOD  |= 0x011;
      TH0 = TIME0TH;
      TL0 = TIME0TL;
      ET0=1;
      TR0=1;
      ET1=1;
      TR1=1;
      IT0 = 1;
      EX0 = 1;
      initLCM();
      EA=1;
      for(;;)
      {

            if(Show==1)
            {
                     Show=0;
                     Cont=0;
                     DisplayListChar(0,1,"Please keys");
                     a="";
                     switch (IrDat[3])
                     {
                  case 0x12:
                                 a="ON/C";
                              break;
                  case 0x0b:
                                 a="+/-";
                              break;
                  case 0x1a:
                                 a="+";
                              break;
                  case 0x1e:
                                 a="-";
                              break;
                  case 0x0e:
                                 a="/";
                              break;
                  case 0x1d:
                                 a="MRC";
                              break;

                  case 0x1f:
                                 a="M-";
                              break;
                  case 0x1b:
                                 a="M+";
                              break;
                  case 0x00:
                                 if(IrDat[2]==0xff)a="0";
                              break;
                  case 0x01:
                                 a="1";
                                    RELAY1=!RELAY1;
                              break;
                  case 0x02:
                                 a="2";
                                    RELAY2=!RELAY2;
                              break;

                  case 0x03:
                                 a="3";
                                    RELAY3=!RELAY3;
                              break;
                  case 0x04:
                                 a="4";
                                    RELAY4=!RELAY4;
                              break;
                  case 0x05:
                                 a="5";
                                    RELAY5=!RELAY5;
                              break;
                  case 0x06:
                                 a="6";
                                    RELAY6=!RELAY6;
                              break;
                  case 0x07:
                                 a="7";
                                    RELAY7=!RELAY7;
                              break;
                  case 0x08:
                                 a="8";
                                    RELAY8=!RELAY8;
                              break;

                  case 0x09:
                                 a="9";
                              break;
                  case 0x2A:
                                 a="%";
                              break;
                  case 0x2B:
                                 a="X";
                              break;
                  case 0x2C:
                                 a=".";
                              break;
                  case 0x2D:
                                 a="=";
                              break;
                  case 0x2E:
                                 a=" ";
                              break;

                     }
                     n=strlen(a);
                     if(n>0)sprintf(s,"Key is [%s]",a);else sprintf(s,"Not Key       ",a);
                     DisplayListChar(0,0,s);
            }
      }
}