原创 基于单片机的红外接收C语言程序

#include <Gendef.h>
#include <Val.h>
#include <stdio.h>
#include<intrins.h>

void ErrRst(void)
{
 EX0 = TRUE;
 ET0 = FALSE;
 TR0 = FALSE;
  
 RecTem = 0;
 RecBitCoun = 0;
 RecBytCoun = 0;
 
 RecStart = FALSE;
 Recend = FALSE;
 DatRecFlag = FALSE;
 Status = RECRET0;
}

void Ex0Int(void) interrupt 0 using 1
{

// P1 = ~Status;

 if(Status == RECRET0){
  
  EX0 = FALSE;
  ET0 = TRUE;
  
  Status = RECRET1;

  TR0 = FALSE;
  TH0 = TimRefTH[Status];
  TL0 = TimRefTL[Status];
  TR0 = TRUE;

 }else if (Status == RECRET4){
 
  Status++;
  RecTem = 0x00;
  RecBitCoun = 0x00;
  RecBytCoun = 0x00;
  RecStart = TRUE;
  Recend = FALSE;
  DatRecFlag = FALSE;

  TR0 = FALSE;
  TH0 = TimRefTH[Status];
  TL0 = TimRefTL[Status];
  TR0 = TRUE; 
  
 }else if(RecStart == TRUE){

  {
   INT16U RecReg;

   RecReg = ((TH0<<8) & 0xFF00) | (TL0 & 0xFF);
   RecTem >>= 1;
   if((RecReg > ZERLOWLMT) && (RecReg < ZERHGHLMT)){    
    RecTem &= 0x7F;
   }else if((RecReg > ONELOWLMT) && (RecReg < ONEHGHLMT)){ 
    RecTem |= 0x80;
   }else{
    ErrRst();

    TI = 0;
    SBUF = 'A';
    while(TI == 0);
    TI = 1;

    TI = 0;
    SBUF = (RecReg >> 8) & 0xFF;
    while(TI == 0);
    TI = 1;
    
    TI = 0;
    SBUF = RecReg & 0xFF;
    while(TI == 0);
    TI = 1;

   }
     
   if(++RecBitCoun >= 8){
    RecBitCoun = 0;
    DatRecBuff[RecBytCoun++] = RecTem;

   }
   if(RecBytCoun >= 4){

//    EX0 = TRUE;
    TR0 = FALSE;
    ET0 = FALSE;
   
    RecTem = 0;
    RecBitCoun = 0;
    RecBytCoun = 0;
    
    RecStart = FALSE;
    Recend = TRUE;
    DatRecFlag = TRUE;
    Status = RECRET0; 

//    P1 = 0x0F;

    {
     
     EX0 = FALSE;
     EA = FALSE;

     IrdaS = 1;
     while(IrdaS == 0);

     
     IrdaS = 1;
     while(IrdaS == 0);

     EX0 = TRUE;
     EA = TRUE;
     
    }
    
   }
  }

  if((Recend == FALSE)&&(Status == RECRET5)){
   TR0 = FALSE;
   TH0 = TimRefTH[Status];
   TL0 = TimRefTL[Status];
   TR0 = TRUE;
  }

 }else{
 
  ErrRst();
 
 }
}

void Tim0Int(void) interrupt 1 using 1
{
 Status++;

// P1 = ~Status;

 if(1 == Status)
 {
//  P1 = ~0xAF;
  while(1);
 }

 if(RecStart == TRUE)
 {
 
  ErrRst();
  
 }else{

  if((Status == RECRET2)||(Status == RECRET3)){
   
   if(IrdaS == 1){

    ErrRst();

   }
  }

  if(Status == RECRET4){

   if(IrdaS == 0){
    ErrRst();

   }else{
    ET0 = TRUE;
    EX0 = TRUE;
   }
  }

  if(Status != RECRET0)
  {
   TR0 = FALSE;
   TH0 = TimRefTH[Status];
   TL0 = TimRefTL[Status];
   TR0 = TRUE;
  }

 }
}

#include <Gendef.h>
#include <Val.h>

void SerCon(void)
{
 SCON   = 0x50; /* SCON: mode 1, 8-bit UART, enable rcvr       */
 TMOD  |= 0x20; /* TMOD: timer 1, mode 2, 8-bit reload         */
 TH1     = 0xFD;       /* TH1:  reload value for 9600 baud @ 11.0592MHz    */
 TR1     = 1;            /* TR1:  timer 1 run                             */
 TI     = 1;         /* TI:   set TI to send first char of UART      */
}

void TmCon(void)
{
 TMOD |= 0x01;
 TH0 = 0x00;
 TL0 = 0x00;
 ET0 = 1;
// TR0 = 1;
}

void ExCom(void)
{
 IT0 = 1;
 EX0 = 1;
}

void SysInit()
{
 INT8U i;
 
 EA = 0;

 SerCon();
 TmCon();
 ExCom();

 RecTem = 0;
 RecBitCoun = 0;
 RecBytCoun = 0;
 
 RecStart = FALSE;
 Recend = FALSE;
 DatRecFlag = FALSE;
 Status = RECRET0;

 for(i = 0; i < 4; i++)
  DatRecBuff = 0;