key.lst

stc-isp开发板驱动程序

C51 COMPILER V7.06   KEY                                                                   09/13/2005 20:39:39 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE KEY
OBJECT MODULE PLACED IN key.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE key.c OMF2 BROWSE DEBUG

stmt level    source

   1          #include <config.h>
   2          
   3          #define IN_KEY
   4          
   5          sbit  Key_alter_display  = P1^4;   //检测显示状态   
   6          sbit  Key_alter_authorize= P1^7;   //检测是否激活  
   7          
   8          unsigned char  xdata  key_key=0x00;// 检测到的按键
   9          unsigned char xdata last_key_push=0x00;
  10          //　－－－－－－－取得系统按键并处理－－－－－－－               
  11          void Key_process(void)
  12          {unsigned char idata key_push=0x00;
  13   1       
  14   1       key_push=0x00;
  15   1       if(Key_alter_display==0x00)   key_push |=  0x01;
  16   1       if(Key_alter_authorize==0x00) key_push |=  0x02;
  17   1       if(key_push!=0x00)
  18   1         {last_key_push=key_push;
  19   2          delay_ms(2);          // 防抖动处理
  20   2              key_push=0x00;
  21   2          if(Key_alter_display==0x00)   key_push |=  0x01;
  22   2              if(Key_alter_authorize==0x00) key_push |=  0x02;
  23   2              if(last_key_push==key_push)
  24   2                 key_key=key_push;
  25   2          }
  26   1       else   //松开才会有按键值有效
  27   1         {if(last_key_push!=0x00)
  28   2            {key_key |= 0x80;
  29   3             last_key_push=0x00;
  30   3                 }
  31   2          }
  32   1      
  33   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     87    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =      2    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----       1
   BIT SIZE         =   ----    ----
   EDATA SIZE       =   ----    ----
   HDATA SIZE       =   ----    ----
   XDATA CONST SIZE =   ----    ----
   FAR CONST SIZE   =   ----    ----
END OF MODULE INFORMATION.


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