main.lst

红外遥控协议的发送程序

C51 COMPILER V7.01  MAIN                                                                   04/01/2006 15:49:43 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg51.h>
   2          
   3          typedef unsigned char uchar;
   4          typedef unsigned short ushort;
   5          
   6          sbit dKeyPort1=P1^7;
   7          sbit dKeyPort2=P1^5;
   8          sbit dKeyPort3=P1^4;
   9          sbit dIrPort=P1^6;
  10          
  11          void SysInit(void)
  12          {
  13   1              TMOD=0x10;
  14   1              TH1=0xf8;
  15   1              TL1=0x30;
  16   1              ET1=1;
  17   1              EA=1;
  18   1              TR1=1;
  19   1      }
  20          
  21          void Delay100Us(uchar tInputCnt)
  22          {
  23   1              uchar i;
  24   1              uchar j;
  25   1      
  26   1              for(i=0;i<tInputCnt;i++)
  27   1              {
  28   2                      for(j=96;j;j--);
  29   2              }
  30   1      }
  31          
  32          #define dSendDelay              \
  33          dIrPort=0;                              \
  34          Delay100Us(7);                  \
  35          dIrPort=1;
  36          
  37          void SendChar(uchar tInputVal)
  38          {
  39   1              const uchar pTempBitMap[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
  40   1              uchar i,j;
  41   1      
  42   1              for(i=0;i<8;i++)
  43   1              {
  44   2                      dSendDelay;
  45   2                      if( pTempBitMap[i]&tInputVal )
  46   2                              Delay100Us(17);
  47   2                      else
  48   2                      {
  49   3                              Delay100Us(6);
  50   3                              for(j=50;j;j--);
  51   3                      }
  52   2              }
  53   1      }
  54          
  55          void SendData(uchar tInputKeyVal)
C51 COMPILER V7.01  MAIN                                                                   04/01/2006 15:49:43 PAGE 2   

  56          {
  57   1      #define dIrCustHi       0x89
  58   1      #define dIrCustLo       0xd3
  59   1      
  60   1              dIrPort=0;
  61   1              Delay100Us(90);
  62   1              dIrPort=1;
  63   1              Delay100Us(45);
  64   1              SendChar(dIrCustHi);    //Send Ir Customer Code.
  65   1              SendChar(dIrCustLo);
  66   1              SendChar(tInputKeyVal);         //Send Key Val.
  67   1              SendChar(~tInputKeyVal);        //Send Key Val's Inv .
  68   1              dSendDelay;
  69   1      }
  70          
  71          
  72          uchar tUpKeyPressedCnt=0,tDownKeyPressedCnt=0,tSndKeyPressedCnt=0;
  73          bit bUpKeyPressedFlag=0,bDownKeyPressedFlag=0,bSndKeyPressedFlag=0;
  74          
  75          void main(void)
  76          {
  77   1              uchar tTempVal=1;// The Speed.
  78   1      
  79   1              SysInit();
  80   1      
  81   1              while(1)
  82   1              {
  83   2                      if( bUpKeyPressedFlag )
  84   2                      {
  85   3                              if( tTempVal<20 )
  86   3                                      tTempVal++;
  87   3                              bUpKeyPressedFlag=0;
  88   3                      }
  89   2                      if( bDownKeyPressedFlag )
  90   2                      {
  91   3                              if( tTempVal>1 )
  92   3                                      tTempVal--;
  93   3                              bDownKeyPressedFlag=0;
  94   3                      }
  95   2                      if( bSndKeyPressedFlag )
  96   2                      {       // Send Speed, In case Value Lost, I Send Twice. 
  97   3                              // The Interval about 20 ms.
  98   3                              SendData(0xa0+tTempVal);
  99   3                              Delay100Us(200);
 100   3                              SendData(0xa0+tTempVal);
 101   3      
 102   3                              bSndKeyPressedFlag=0;
 103   3                      }
 104   2              }
 105   1      }
 106          
 107          //1ms Timer Interrupt.  Mainly capture Key Pressed.
 108          void Timer1()interrupt 3
 109          {       
 110   1              TH1=0XF8;
 111   1              if( dKeyPort1==0 )
 112   1              {
 113   2                      if( ++tUpKeyPressedCnt==4 )
 114   2                              bUpKeyPressedFlag=1;    
 115   2              }else 
 116   1                      tUpKeyPressedCnt=0;
 117   1              if( dKeyPort2==0 )
C51 COMPILER V7.01  MAIN                                                                   04/01/2006 15:49:43 PAGE 3   

 118   1              {
 119   2                      if( ++tDownKeyPressedCnt==4 )
 120   2                              bDownKeyPressedFlag=1;  
 121   2              }else 
 122   1                      tDownKeyPressedCnt=0;
 123   1              if( dKeyPort3==0 )
 124   1              {
 125   2                      if( ++tSndKeyPressedCnt==4 )
 126   2                              bSndKeyPressedFlag=1;   
 127   2              }else 
 128   1                      tSndKeyPressedCnt=0;
 129   1      
 130   1      
 131   1      
 132   1      //      dIrPort=~dIrPort;
 133   1      }
 134          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    266    ----
   CONSTANT SIZE    =      8    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      3      11
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      3    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)