基本开关控制实验程序.lst

霹雳灯实验程序

C51 COMPILER V8.02   籣盻开筥縚制实验程序                                                  10/24/2008 17:59:59 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE 籣盻开筥縚制实验程序
OBJECT MODULE PLACED IN 基本开关控制实验程序.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 基本开关控制实验程序.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*基本开关控制实验程序*/
   2          //====声明区========================================================
   3          #include        <reg51.H> //定义头文件8051
   4          #define KG      P2                //定义开关接至P2口
   5          #define LED     P0                //定义LED灯接至P0口
   6          void debouncer(void);
   7          void delay10ms(int);
   8          //=====主程序=======================================================
   9          main()
  10          {
  11   1              LED=0xff;
  12   1              KG=0xff;                  //设计输入口
  13   1              while(1)                  //无限循环
  14   1                      {if(KG==0xfe) LED=0xf0; //
  15   2                       if(KG==0xfd) LED=0x0f; 
  16   2                       if(KG==0xfb) 
  17   2                               {LED=0xf0;
  18   3                                delay10ms(50);
  19   3                                LED=~LED;
  20   3                                }
  21   2                        if(KG==0xf7) 
  22   2                               { while(LED=0x00);
*** WARNING C276 IN LINE 22 OF 基本开关控制实验程序.C: constant in condition expression
  23   3                                delay10ms(50);
  24   3                                LED=~LED;
  25   3                                }
  26   2                      }
  27   1      }
  28          //==================================================================
  29          /**/
  30          void debouncer(void)
  31          {       int i;
  32   1              for(i=0;i<2400;i++);
  33   1      }
  34          /**/
  35          void delay10ms(int x)
  36          {       int i,j;
  37   1              for(i=0;i<x;i++)
  38   1                      for(j=1;j<=1200;j++);   
  39   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    114    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)