key.lst

一个５１单片机的最小系统protues防真

C51 COMPILER V8.02   KEY                                                                   11/11/2008 22:44:43 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE KEY
OBJECT MODULE PLACED IN key.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE key.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          
   2          #include<reg52.h>
   3          #include" lcd.h "
   4          #include" key.h "
   5          #include" led.h "
   6          
   7          extern uchar Time;
   8          uchar KeyFlag;
   9          uchar  ScanKey( void )
  10          {
  11   1          uchar  mTemp[5],key=0,i;    
  12   1          mTemp[0]=Up;
  13   1          mTemp[1]=Left;
  14   1          mTemp[2]=Right;
  15   1          mTemp[3]=Down;
  16   1          mTemp[4]=Enter;    
  17   1          
  18   1          for(i=0;i<5;i++)
  19   1          {
  20   2              mTemp[i]=~mTemp[i];
  21   2              mTemp[i]&=0x01;
  22   2          }
  23   1          key|=(mTemp[0]);
  24   1          key|=(mTemp[1]<<1);
  25   1          key|=(mTemp[2]<<2);
  26   1          key|=(mTemp[3]<<3);
  27   1          key|=(mTemp[4]<<4);
  28   1          
  29   1          return key;
  30   1      }
  31          /////////////////////////////////////////////////////
  32          //得到按键
  33          uchar  GetKey( void )
  34          {
  35   1          uchar key[2];
  36   1          key[0]=ScanKey();
  37   1          if(key[0]!=0)
  38   1          {
  39   2              
  40   2              Delay(200);
  41   2              key[1]=ScanKey();
  42   2              return (key[0]==key[1]) ? key[0] : 0;        
  43   2          }
  44   1          else
  45   1          return 0;
  46   1          
  47   1      }
  48          
  49          void KeyHandle( void )
  50          {
  51   1          uchar mKey=0;    
  52   1          //uchar temp[1];    
  53   1          mKey=GetKey();
  54   1          
  55   1          if(mKey!=0)
C51 COMPILER V8.02   KEY                                                                   11/11/2008 22:44:43 PAGE 2   

  56   1          {
  57   2              //Time=250;
  58   2              switch(mKey)
  59   2              {
  60   3                  case  0x01:
  61   3                  KeyFlag++;
  62   3                  if( KeyFlag>3 )
  63   3                  KeyFlag=0;
  64   3                  
  65   3                  break;
  66   3                  case  0x02:
  67   3                  if( KeyFlag==0 )
  68   3                  {
  69   4                      //TestLed();
  70   4                      Clr();
  71   4                      DispWait();
  72   4                      TestLed();
  73   4                  }
  74   3                  else if( KeyFlag==1 )
  75   3                  {
  76   4                      //TestSeg();
  77   4                      Clr();
  78   4                      DispWait();
  79   4                      TestSeg();
  80   4                  }
  81   3                  else if( KeyFlag==2 )
  82   3                  {
  83   4                      Time=250;
  84   4                      Clr();
  85   4                      DispTemperature();
  86   4                  }
  87   3                  else if( KeyFlag==3 )
  88   3                  {
  89   4                      Time=250;
  90   4                      Clr();
  91   4                      DispTime();
  92   4                  }
  93   3                  
  94   3                  break; 
  95   3                  case  0x04:
  96   3                  
  97   3                  break;
  98   3                  
  99   3                  case  0x08:
 100   3                  
 101   3                  break;
 102   3                  
 103   3                  case  0x10:
 104   3                  
 105   3                  break;            
 106   3                  
 107   3                  default:            
 108   3                  break;
 109   3              }
 110   2              
 111   2          }
 112   1          
 113   1          
 114   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
C51 COMPILER V8.02   KEY                                                                   11/11/2008 22:44:43 PAGE 3   

   CODE SIZE        =    205    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1       7
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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