main.lst

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C51 COMPILER V7.20   MAIN                                                                  01/14/2008 13:51:52 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: F:\Program_Files\Keil\C51-Product\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg52.h>
   2          
   3          #define _DEBUG
   4          #include <kc51.h>
   5          
   6          
   7          
   8          
   9          //标记的用法，用一个按键控制1个LED灯的亮灭
  10          //P1_0 要控制的LED灯
  11          #define K1 P3_2    //按键K1
  12          
  13          
  14          
  15          void main(void)
  16          {
  17   1              bit light;
  18   1              uint n;
  19   1              
  20   1              while(1)
  21   1              {
  22   2                      if(!K1)  //如果读到K1为0
  23   2                      {
  24   3                              for(n=0;n<1000;n++); //等待按键稳定
  25   3                              while(!K1);     //等待按键松开
  26   3                              for(n=0;n<1000;n++);  //等待按键稳定松开
  27   3      
  28   3                              light =~ light;  //每按键一次，标记变化一次
  29   3                      }
  30   2      
  31   2                      P1_0 = light; //直接把位变量赋值给LED灯
  32   2              }
  33   1      }
  34          
  35          #include <kINT.h>
  36          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     55    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----       1
END OF MODULE INFORMATION.


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