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標(biāo)題: 數(shù)碼管遙控解碼 [打印本頁(yè)]

作者: 倪好的你好 時(shí)間: 2016-11-8 22:02
標(biāo)題: 數(shù)碼管遙控解碼
#include<reg51.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long

#define Nop() {_nop_(); _nop_(); _nop_(); _nop_(); _nop_();}

volatile ulong IRcode=0x00000000;  //32位的鍵代碼
volatile ulong Irdcode=0x00000000;
volatile uint customcode=0x0000;    //16位用戶碼
volatile uint time_us=0x0000;    //兩個(gè)下降沿之間的時(shí)間

volatile uchar timeH,timeL;  //保存TH1 TL的值

uchar Lcustomcode;    //低8用戶碼
uchar Hcustomcode;    //高8
uchar datacode; //8位鍵數(shù)據(jù)碼
uchar mycode;
uchar Rdatacode;    //8位鍵數(shù)據(jù)反碼
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]; // 存放顯示數(shù)據(jù)
sbit led1 = P2^7;
sbit led2 = P2^6;
sbit power=P1^4;  //電源開(kāi)關(guān)
sbit BEEP= P3^6;
bit NewIRcode=0;  //指示當(dāng)處理完了32位碼后，就有了新的遙控碼
bit DataRight=0; //為1時(shí)讀取數(shù)據(jù)正確
bit bSampleOk;
bit bSampling;
bit b10msInt;
bit  b1msInt;
bit bKeySound;
bit b1msMain;
bit IR_E;          //表示有新的遙控鍵控下就更新掃描數(shù)據(jù)
bit b3msint;

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

/****** 晶振為12 MHZ*******/
/**定時(shí)器1,12 MHZ最大定時(shí)為65.53ms***/
//------------------------------------------------------------------------------
void init()
{
  IP=0x09; //定時(shí)器1，外部中斷0優(yōu)先級(jí)高
  TMOD=0x11; //定時(shí)器0，工作方式1 ;  定時(shí)器1，工作方式1
  TCON=0x01; //外中斷0下降沿觸發(fā)，（包括TR1=0，TR0=0）
  TH0=0xff;  //初始化定時(shí)器0,定時(shí)0.2ms
  TL0=0x47;
  TH1=0x00;  //初始化定時(shí)器1
  TL1=0x00;

  EA=1; //開(kāi)全中斷
  ET0=1; //開(kāi)放T0中斷
  ET1=1;    //開(kāi)放T1中斷
  EX0=1; //開(kāi)放INT0
  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)
//-------------------------------------interrupt0-------------------------------------
void IR_ISR() interrupt 0 using 1 //遙控器中斷處理函數(shù)
{
  static uchar cn;

  TR1=0;
  timeH=TH1;
  timeL=TL1;
  TH1=0;
  TL1=0;
  TR1=1;                   //開(kāi)定時(shí)器中斷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;}  //遇到引導(dǎo)碼,就把cn清0，IRcode清0
      //引導(dǎo)碼的時(shí)間長(zhǎng)度為9ms+4.5ms
  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; } //遇到重復(fù)碼
                                             //cn用于記錄接收到的數(shù)據(jù)位
}
cn++;
  if(cn==34)
{ NewIRcode=1;
   TR1=0;

   Irdcode= IRcode;  cn=0;
}  //讀完32位碼，則有新碼產(chǎn)生

}

//--------------------------------------timer_ISR------------------------------
void Timer0_ISR() interrupt 1 using 2  //定時(shí)器0中斷函數(shù)
{
  TR0=0;
  TH0=0xff;  //初始化定時(shí)器0,定時(shí)0.2ms  晶振為11.0592 MHZ
  TL0=0x47;
  TR0=1;
  if(++uc1ms == 5)
{
uc1ms = 0;
      b1msInt=1;
   if(++uc3ms==8)
   {
   uc3ms=0;
   b3msint=1;
   SendDataToDispDevice();    //n* ms送一次顯示
   }

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

void Timer1_ISR() interrupt 3 using 3  //定時(shí)器1中斷函數(shù)
{
  TR1=0;
  TH1=0x00;  //初始化定時(shí)器1
  TL1=0x00;
  TR1=1;

}
//--------------------SendDataToDispDevice----------
void SendDataToDispDevice()
{
unsigned char n;
//watchdog();
if(++ucDispOrder >= 2)  ucDispOrder = 0; // 下一顯示巡回

// 下面為發(fā)送控制數(shù)據(jù)    位控

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

   }
   if(b3msint==1)
   {if(ucDispOrder==1)
         {led2=0;
         led1=1;
      Nop();
         Nop();
      }
}
// 下面為發(fā)送顯示數(shù)據(jù)
   n = LedData[ucDispData[ucDispOrder]];
   P0=n;

} //void SendDataToDispDevice()

//------------------------------------main()----------------------------------------------
void main()
{

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

  }

}

void Ir_process()

{

  if(NewIRcode==1) //如果有新的遙控碼就讀
  {
NewIRcode=0; //讀完之后清零，表示新碼已讀
customcode=(Irdcode>>16); //取紅外碼中的按碼鍵
                  //取低8位用戶碼
   Lcustomcode=customcode>>8;//取低8位按碼鍵
datacode=(unsigned char)(customcode&0x00ff);  //取高8位按碼鍵

   Rdatacode=Lcustomcode; //取低8位按碼鍵的反碼

   if(~Rdatacode!=datacode)
   {  DataRight=0;
      Irdcode=0;
      datacode=Rdatacode=0;
   } //校驗(yàn)用戶碼，反碼

   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取反
}
  BEEP=1;
                  //關(guān)閉蜂鳴器
}

作者: yuanri 時(shí)間: 2016-11-8 22:08
幫頂，有電路圖嗎？

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