keyboard.lst

c51的温度测量程序,利用的是模拟输入初学哦

C51 COMPILER V8.02   KEYBOARD                                                              02/24/2009 13:27:00 PAGE 1   


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

line level    source

   1          /*
   2           * File: Keyboard.c
   3           *
   4           * Detail: 键盘处理API
   5           *
   6           * Created by Pandar([e-mail]) on 2009-2-22
   7           *
   8           * Modified by Pandar([e-mail]) on 2009-2-22
   9           *
  10           */
  11          
  12           #include "ChunfengStdX51.h"
  13           #include "Keyboard.h"
  14          
  15          
  16          uint8 xdata Keyboard _at_ KEYBOARD_ADDRESS;
  17          
  18          uint8 GetKeyNumber()
  19          {
  20   1          uint8 value=Keyboard;
  21   1              value&=0x1F;
  22   1              switch(value)
  23   1              {
  24   2                case 0x1E:
  25   2                    return 1;
  26   2                case 0x1D:
  27   2                    return 2;
  28   2                case 0x1B:
  29   2                        return 3;
  30   2                case 0x17:
  31   2                        return 4;
  32   2                case 0x0F:
  33   2                        return 5;
  34   2                default:
  35   2                    return 0;
  36   2              }
  37   1      
  38   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     46    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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