main.lst

从零开始学51单片机源代码

C51 COMPILER V8.08   MAIN                                                                  07/02/2012 16:13:34 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.h>      //包含头文件  
   2          #include "fun.h"
   3          
   4          main()
   5          {
   6   1              unsigned char key_temp;
   7   1              //配置端口模式 
   8   1              P1M1 = 0xf0;    //p1高4位输出，低4位输入 
   9   1              P1M0 = 0xf0; 
  10   1              P0M1 = 0x0f;  //P0.0 - P0.3配置为输出 
  11   1              P0M0 = 0x0f;
  12   1      
  13   1              P1 = 0xff;
  14   1              P0 = 0xff;
  15   1      
  16   1              key_temp = 255;
  17   1              while(1)
  18   1              {
  19   2                      key_temp = query_key();
  20   2                 if(key_temp != 255)                          //如果有按钮被按下 
  21   2                 {
  22   3                              ms_delay(20);                           //延时消抖 
  23   3                              key_temp = query_key();
  24   3                              if ( key_temp != 255 )
  25   3                                      showled(key_temp);        //点亮led
  26   3                 }
  27   2              }
  28   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    227    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     16    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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