红外线遥控码单片机测试程序

ID:101489 · 发表于 2016-1-2 20:40

转自：http://www.51hei.com/mcu/1488.html
以前在仕创时，总是奇怪周工为什么可以编出一个能测试任何遥控的遥控码和用户码的单片机程序！周工还将此程序视为宝贝，每次测试完都将那只已经烧录好的单片机拿回去！！在这几年本人也接触单片机，尝试写出测试遥控码的程序！！但只是能测试出遥控码并未能测试出用户码！！！所以当时周工还是相当厉害的！！
下面放出刚刚编录完成的程序，暂时只能测试遥控码！！
下载地址：http://www.51hei.com/f/hw51d.rar

下载软件界面，用于烧录单片机！！

USB下载器

刚烧录好程序，单片机加电时显示“00”

测试遥控码（家里电视机待机按键遥控码）

程序是由C语言编写，单片机使用AT89C52    下面是程序：

#include<reg51.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long

#defineNop(){_nop_(); _nop_(); _nop_(); _nop_(); _nop_();}

volatile ulong IRcode=0x00000000;
volatile ulong Irdcode=0x00000000;
volatile uint customcode=0x0000;
volatile uint time_us=0x0000;

volatile uchar timeH,timeL;

uchar Lcustomcode;
uchar Hcustomcode;
uchar datacode;
uchar mycode;
uchar Rdatacode;
uchar uc1ms;
uchar uc10ms;
uchar uc3ms;

uchar  ucDispTime;
uchar  ucDispOrder;
uchar  ucDispCon;
uchar ucSpeakerTime;
unsigned char code LedData[16] = { 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};
unsigned char code LedCon[2] = {0x8f,0x4f};
unsigned char ucDispData[2];
sbit led1 = P3^7;
sbit led2 = P3^6;
sbit power=P1^0;
sbit BEEP= P2^1;
bit NewIRcode=0;
bit DataRight=0;
bit bSampleOk;
bit bSampling;
bit b10msInt;
bit  b1msInt;
bit bKeySound;
bit b1msMain;
bit IR_E;
bit b3msint;

void SendDataToDispDevice();
void Ir_process();
void display();
void beeping();

void init()
{
  IP=0x09;
  TMOD=0x11;
  TCON=0x01;
  TH0=0xff;
  TL0=0x47;
  TH1=0x00;
  TL1=0x00;

  EA=1;
  ET0=1;
  ET1=1;
  EX0=1;
  TR1=0;
  TR0=1;

}

void TimeProg(void)
{
b1msMain = b1msInt;
b1msMain=0;
b10msInt = 0;

if(b1msInt == 1)
{
      b1msMain=1;
if(++uc10ms == 10)
{
uc10ms = 0;
b10msInt = 1;
if(bKeySound==1)
  {beeping();
bKeySound=0;
}
}

}
}//void TimeProg(void)

void IR_ISR() interrupt 0 using 1
{
  static uchar cn;

  TR1=0;
  timeH=TH1;
  timeL=TL1;
  TH1=0;
  TL1=0;
  TR1=1;

  time_us=(unsigned int)timeH;
  time_us=time_us<<8;
  time_us=time_us|timeL;

  if(time_us>12200&&time_us<13000) {cn=1;IRcode=0;}
  if(cn<34)
   {
      if(time_us>950&&time_us<1120)                //0
         {
         IRcode=IRcode|0x00000000;
         if(cn<33) IRcode=IRcode>>1;
         }

   else if(time_us>1920&&time_us<2120)       //1t > 1950 && t < 2150
      {
         IRcode=IRcode|0x80000000;
         if(cn<33) IRcode=IRcode>>1;
         }


  //else if(time_us>10000&&time_us<11000) {Irdcode=IRcode;cn=34; }
                                                }
cn++;
  if(cn==34)
{ NewIRcode=1;
   TR1=0;

   Irdcode= IRcode;  cn=0;
}

}

void Timer0_ISR() interrupt 1 using 2
{
  TR0=0;
  TH0=0xff;
  TL0=0x47;
  TR0=1;
  if(++uc1ms == 5)
{
uc1ms = 0;
      b1msInt=1;
if(++uc3ms==8)
  {
uc3ms=0;
b3msint=1;
SendDataToDispDevice();
}

}
}//void Timer0IntProg() interrupt 1 using 1

void Timer1_ISR() interrupt 3 using 3
{
  TR1=0;
  TH1=0x00;
  TL1=0x00;
  TR1=1;

}
void SendDataToDispDevice()
{
unsigned char n;
//watchdog();
if(++ucDispOrder >= 2)  ucDispOrder = 0;

      if(ucDispOrder==0)
   {led1=0;
         led2=1;
   Nop();
         Nop();

}
if(b3msint==1)
   {if(ucDispOrder==1)
   {led2=0;
         led1=1;
Nop();
         Nop();
}
}
   n = LedData[ucDispData[ucDispOrder]];
   P0=n;



} //void SendDataToDispDevice()

void main()
{

init();
  beeping();
while(1)
  {
   TimeProg();
   Ir_process();
   display();

  }

}

void Ir_process()

{

  if(NewIRcode==1)
  {
NewIRcode=0;
customcode=(Irdcode>>16);
                        Lcustomcode=customcode>>8;
datacode=(unsigned char)(customcode&0x00ff);


   Rdatacode=Lcustomcode;

   if(~Rdatacode!=datacode)
  {  DataRight=0;
   Irdcode=0;
   datacode=Rdatacode=0;
}

   else
{ DataRight=1;
IR_E=1;
mycode=datacode;}
   if(DataRight==1)  { bKeySound = 1;DataRight=0;  }

   }

}

void display()
  {
  /*  unsigned char a[2];
a[0] = mycode & 0x0f;
mycode = mycode >> 4;
a[1] = mycode & 0x0f;
ET0 = 0;
ucDispData[0] = a[0];
ucDispData[1] = a[1];
ET0 = 1;*/
if(IR_E==1)
{
ET0 = 0;
ucDispData[0] = mycode & 0x0f;
mycode = mycode >> 4;
ucDispData[1] = mycode & 0x0f;
IR_E=0;
ET0 = 1;
}
}

void delay(unsigned char x) //x*0.14MS
{
unsigned char a;
  while(x--)
{
  for (a = 0; a<13; a++) {;}
}
}

/**********************************************************/
void beeping()
{
  unsigned char i;

  for (i=0;i<100;i++)
{
   delay(4);
   BEEP=!BEEP;
}
  BEEP=1;
                  }

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