main_ex3_2.lst

最近开发的51单片机多功能 实验板

C51 COMPILER V8.02   MAIN_EX3_2                                                            01/05/2007 12:17:30 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE MAIN_EX3_2
OBJECT MODULE PLACED IN main_ex3_2.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main_ex3_2.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          // 键盘动态控制P1外接的LED循环右、左移显示，或静止
   2          #include <REGX51.H>
   3          extern void delay(unsigned int i);
   4          
   5          ex32( )  // C语言的主函数
   6          {
   7   1        unsigned char LED,key,action=1;
   8   1        LED = 0x01;
   9   1        while(1)
  10   1        {
  11   2           P1 = ~LED;   // LED取反送P1
  12   2               delay();
*** WARNING C209 IN LINE 12 OF MAIN_EX3_2.C: '_delay': too few actual parameters
  13   2               P3 = 0xff;
  14   2               key=~P3;
  15   2               if (key){
  16   3                       if (key == 0x01) action = 1;
  17   3                       else if (key == 0x80) action = 3;
  18   3                       else action = 2;
  19   3                }
  20   2               switch(action)
  21   2               {
  22   3                      case 1:
  23   3                               if(LED) LED >>=1;
  24   3                               else LED = 0x80;
  25   3                               break;
  26   3                      case 2:
  27   3                               break;
  28   3                      case 3:
  29   3                               if(LED) LED <<=1;
  30   3                               else LED = 0x01;
  31   3                               break;
  32   3               }
  33   2        }
  34   1      }
  35          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     82    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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