irint.lst

t112 参考文件

C51 COMPILER V7.50   IRINT                                                                 01/12/2006 13:31:13 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE IRINT
OBJECT MODULE PLACED IN .\Obj\IrInt.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE Source\T100\IrInt.c BROWSE INCDIR(.\Include\;.\Source\;.\Include\Panel\;.\I
                    -nclude\GammaTable\) DEFINE(T106) DEBUG OBJECTEXTEND PRINT(.\IrInt.lst) OBJECT(.\Obj\IrInt.obj)

line level    source

   1          //#ifdef INTERRUPT1
   2          #include "reg51.h"
   3          #include "Common.h"
   4          #include "Remote.h"
   5          #include "struct.h"
   6          #include "system.h"
   7          #include "KEYPAD.H"
   8          #include "OSDDraw.h"
   9          #include "TwoWire.h"
  10          #include "intrins.h"
  11          
  12          
  13          extern bit      ir_enable;
  14          extern uCHAR    ir_data;
  15          //extern uWORD count1;
  16          uCHAR ir_repeat;
  17          bit Filter13(bit le)
  18          {
  19   1              bit r;
  20   1              r=INT1;
  21   1              if(le==1)
  22   1              {
  23   2                      _nop_();
  24   2                      _nop_();
  25   2                      _nop_();
  26   2                      r&=INT1;
  27   2                      _nop_();
  28   2                      _nop_();
  29   2                      _nop_();
  30   2                      r&=INT1;
  31   2              }
  32   1              else
  33   1              {
  34   2                      _nop_();
  35   2                      _nop_();
  36   2                      _nop_();
  37   2                      r|=INT1;
  38   2                      _nop_();
  39   2                      _nop_();
  40   2                      _nop_();
  41   2                      r|=INT1;
  42   2              }
  43   1              if(r==le)
  44   1                      return 1;
  45   1              else
  46   1                      return 0;
  47   1      }
  48          /*遥控接收在此中断程序内完成
  49            数据放在ir_data内*/
  50          /************************************/
  51          /*  Interrupt for IR subroutine     */
  52          /*  external interrupt source INT0  */
  53          /************************************/
  54          void int1Remote(void) interrupt 2
C51 COMPILER V7.50   IRINT                                                                 01/12/2006 13:31:13 PAGE 2   

  55          {
  56   1              register BYTE i;
  57   1              unsigned int count;             /*计时变量*/
  58   1              unsigned int  temp0,temp1,ir_code=0;
  59   1              ir_enable=TRUE;
  60   1              TMOD=0x11;             /*timer 0 operate in 16 bit mode*/
  61   1              EX1=0;
  62   1              TL0=0;
  63   1              TH0=0;
  64   1              TR0=1;
  65   1              /************************************/
  66   1              /*   Detect IR Head                 */
  67   1              /************************************/
  68   1              do                /*Detect IR head 9mS*/
  69   1              {
  70   2                      count=(TL0+TH0*256);   /*count :us unit */
  71   2                      if(Filter13(1)==1) break;
  72   2              }while(count<=(IR_HEAD+DELTA));
  73   1              TR0=0;                  /*停止计时*/
  74   1      
  75   1              if(Filter13(0)==1||count<(IR_HEAD-DELTA*25))       /*for some noise disturb IR*/
  76   1                      {
  77   2                      ir_enable=FALSE; /* no IR head or not suitable for Ir head*/
  78   2                      EX1=1;
  79   2                      TR0=1;
  80   2                      return;
  81   2                      }
  82   1              /************************************/
  83   1              /*   Detect OFF CODE     4.5mS      */
  84   1              /************************************/
  85   1              while(Filter13(0)==1);
  86   1              TR0=0;
  87   1              TL0=0;
  88   1              TH0=0;
  89   1              TR0=1;
  90   1              do                /*Detect IR OFF CODE*/
  91   1              {
  92   2                      count=(TL0+TH0*256);   /*count :us unit */
  93   2                      if(Filter13(0)==1) break;
  94   2              }while(count<(OFF_CODE+DELTA));
  95   1              TR0=0;
  96   1              count=(TL0+TH0*256);   /*count :us unit */
  97   1              if(count<=(OFF_CODE-DELTA*2))
  98   1              {
  99   2                      /*重复码OFF=2.25*/
 100   2                      if((count>(OFF_REP-DELTA)&&count<(OFF_REP+DELTA)))
 101   2                      {
 102   3                              TR0=0;
 103   3                              TL0=0;
 104   3                              TH0=0;
 105   3                              TR0=1;
 106   3                              do
 107   3                              {
 108   4                                      count=(TL0+TH0*256);   /*count :us unit */
 109   4                                      if(Filter13(1)==1) break;
 110   4                              }while(count<=(REP_CODE+DELTA));
 111   3                              TR0=0;
 112   3                              count=(TL0+TH0*256);   /*count :us unit */
 113   3                              if(INT1==1)
 114   3                              {
 115   4                                      TR0=0;
 116   4                                      if(
C51 COMPILER V7.50   IRINT                                                                 01/12/2006 13:31:13 PAGE 3   

 117   4                                      ir_data==REMOTE_KEY_DECR||ir_data==REMOTE_KEY_INCR)
 118   4                                      {
 119   5                                      ir_enable=TRUE; /*注意：ir_data不变*/
 120   5                                      EX1=0;
 121   5                                      }
 122   4                                      else
 123   4                                      {
 124   5                                      ir_data=0;
 125   5                                      ir_enable=FALSE;
 126   5                                      EX1=1;
 127   5                                      TR0=1;
 128   5                                      }
 129   4                                      return;
 130   4                              }
 131   3                      }
 132   2                      else
 133   2                      {
 134   3                              ir_enable=FALSE;   /*not suitable for off code*/
 135   3                              EX1=1;
 136   3                              TR0=1;