keyscan.lst

15寸

C51 COMPILER V7.20   KEYSCAN                                                               04/28/2005 15:49:12 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE KEYSCAN
OBJECT MODULE PLACED IN keyscan.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE keyscan.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <at89x51.h>
   2          #include "keyproc.h"
   3          
   4          void delay(void)
   5          {
   6   1              unsigned char i,j;
   7   1              for(i = 0;i<255;i++)
   8   1                      {
   9   2                              for(j = 0;j<255;j++){}
  10   2                      }
  11   1      }
  12          
  13          void keyscan(void)
  14          {
  15   1              bit a;
  16   1              unsigned char b;
  17   1      
  18   1      //      P3_4 = 1;
  19   1              P1_7 = 0;
  20   1              a = P3_4;
  21   1              if(~a)
  22   1              {
  23   2                      EA = 0;
  24   2                      while(~P3_4){};
  25   2                
  26   2                      sendAddress_key();              
  27   2                      EA = 1;
  28   2              } 
  29   1      
  30   1              P1 = 0x0fe;                     //line1
  31   1              b = P1 & 0x0fe;
  32   1              if(b != 0x0fe)
  33   1              {
  34   2                      EA = 0;                             //interrupt disable
  35   2                      //b = b & 0x0fe;
  36   2                      while((P1 | 0x0f) !=0xff){};
  37   2                      switch(b)
  38   2                      {                                               
  39   3                              case 0x0ee:
  40   3                              power_key();break ;
  41   3                              case 0x0de:
  42   3                              number_key(3,"3");break;
  43   3                              case 0x0be:
  44   3                              number_key(2,"2");break;
  45   3                              case 0x7e:
  46   3                              number_key(1,"1");break;
  47   3                      }
  48   2                      EA = 1;
  49   2              }
  50   1      
  51   1              P1 = 0x0fd;                     //line2
  52   1              b = P1 & 0x0fd;
  53   1              if(b != 0x0fd)
  54   1              {
  55   2                      EA = 0;                              //interrupt disable
C51 COMPILER V7.20   KEYSCAN                                                               04/28/2005 15:49:12 PAGE 2   

  56   2                      while((P1 | 0x0f )!= 0xff){};
  57   2                      //b = b & 0x0fd;
  58   2                      switch(b)
  59   2                      {                                               
  60   3                              case 0x0ed:
  61   3                              menu_key();break  ;
  62   3                              case 0x0dd:
  63   3                              number_key(6,"6");break;
  64   3                              case 0x0bd:
  65   3                              number_key(5,"5");break;
  66   3                              case 0x7d:
  67   3                              number_key(4,"4");break;
  68   3                      }
  69   2                      EA = 1;
  70   2              }
  71   1      
  72   1              P1 = 0x0fb;                                     //line3
  73   1              b=      P1 & 0x0fb;
  74   1              if(b != 0x0fb)
  75   1              {
  76   2                      EA = 0;
  77   2                      delay();
  78   2                      //a=a|0x0fb;
  79   2                      if(b==0x0eb)
  80   2                      {
  81   3                              up_key();               
  82   3                      }
  83   2                      else
  84   2                      {
  85   3                      while((P1 | 0x0f) !=0xff){};    
  86   3                      switch(b)
  87   3                      {
  88   4                              case 0x0db:
  89   4                              number_key(9,"9");break;
  90   4                              case 0x0bb:
  91   4                              number_key(8,"8");break;
  92   4                              case 0x7b:
  93   4                              number_key(7,"7");break;
  94   4                      }
  95   3                      }
  96   2      
  97   2                      EA = 1;
  98   2              }
  99   1      
 100   1              P1 = 0x0f7;                                     //line4
 101   1              b=      P1 & 0x0f7;
 102   1              if(b != 0x0f7)
 103   1              {
 104   2                      EA = 0;
 105   2                      delay();
 106   2                      //a=a|0x0f7;
 107   2                      if(b == 0x0e7)
 108   2                      {
 109   3                              down_key();
 110   3                      }
 111   2                      else
 112   2                      {
 113   3                      while((P1 | 0x0f) !=0xff){};
 114   3                      switch(b)
 115   3                      {       
 116   4                              case 0x0d7:
 117   4                              enter_key();break;
C51 COMPILER V7.20   KEYSCAN                                                               04/28/2005 15:49:12 PAGE 3   

 118   4                              case 0x0b7:
 119   4                              del_key();break;
 120   4                              case 0x77:
 121   4                              number_key(0,"0");break;
 122   4                      }
 123   3                      }
 124   2                      EA = 1;
 125   2              }
 126   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    351    ----
   CONSTANT SIZE    =     20    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----       1
END OF MODULE INFORMATION.


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