key.lst

这是一个成熟的DSA通讯持续,可以在单片机之间通讯用.

C51 COMPILER V8.08   KEY                                                                   07/24/2008 14:03:29 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE KEY
OBJECT MODULE PLACED IN key.OBJ
COMPILER INVOKED BY: E:\Program Files\kiel3\C51\BIN\C51.EXE key.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<at89x52.h>
   2          #include"key.h"
   3          #include"typedefine.h"
   4          #include"delay.h"
   5          
   6          uchar key_flag;
   7          uchar key;
   8          /*------------------------------------------------
   9          获取按键
  10          -------------------------------------------------*/
  11          uchar Check_Key(void)
  12          {
  13   1       if((KEY1!=1&KEY2!=0&KEY3!=0&KEY4!=0)&&(key_flag==0))
  14   1         {
  15   2          delay_xms(15);
  16   2          if((KEY1!=1&KEY2!=0&KEY3!=0&KEY4!=0)&&(key_flag==0))
  17   2                {
  18   3               key=1;
  19   3                       key_flag=1;
  20   3                          return key;
  21   3                }
  22   2         }      
  23   1      
  24   1       if((KEY1!=0&KEY2!=1&KEY3!=0&KEY4!=0)&&(key_flag==0))
  25   1         {
  26   2          delay_xms(30);
  27   2          if((KEY1!=0&KEY2!=1&KEY3!=0&KEY4!=0)&&(key_flag==0))
  28   2                {
  29   3               key=2;
  30   3                       key_flag=1;
  31   3                          return key;
  32   3            }
  33   2         }
  34   1      
  35   1       if((KEY1!=0&KEY2!=0&KEY3!=1&KEY4!=0)&&(key_flag==0))
  36   1         {
  37   2           delay_xms(30);
  38   2           if((KEY1!=0&KEY2!=0&KEY3!=1&KEY4!=0)&&(key_flag==0))
  39   2                 {
  40   3               key=3;
  41   3                       key_flag=1;
  42   3                          return key;
  43   3             }
  44   2         }
  45   1      
  46   1       if((KEY1!=0&KEY2!=0&KEY3!=0&KEY4!=1)&&(key_flag==0))
  47   1        {
  48   2          delay_xms(30);
  49   2          if((KEY1!=0&KEY2!=0&KEY3!=0&KEY4!=1)&&(key_flag==0))
  50   2                {
  51   3               key=4;
  52   3                       key_flag=1;
  53   3                          return key;
  54   3                }
  55   2        }
C51 COMPILER V8.08   KEY                                                                   07/24/2008 14:03:29 PAGE 2   

  56   1         
  57   1       if(KEY1!=0&KEY2!=0&KEY3!=0&KEY4!=0)
  58   1        {
  59   2               key_flag=0;
  60   2               key=0;
  61   2               return key;
  62   2        }
  63   1      
  64   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    504    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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