led3.lst

自己的平时一些制作 现在整理一下 与大家一起分享

C51 COMPILER V7.20   LED3                                                                  06/12/2007 13:59:27 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE LED3
OBJECT MODULE PLACED IN led3.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE led3.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.h>
   2          
   3          /*****0－9对应的数码管的表****/
   4          unsigned char code table[10]={0x3f,6,0x5b,0x4f,0x66,0x6d,0x7d,7,0x7f,0x6f};
   5          
   6          /*******软件延时大约 DELAY 个毫秒******************/
   7          void Software_Delay(const unsigned int DELAY)
   8          {
   9   1         unsigned int x, y;
  10   1      
  11   1         for (x = 0; x <= DELAY; x++)
  12   1            {
  13   2            for (y = 0; y <= 120; y++);
  14   2            }
  15   1      }
  16          
  17          /**实现最右的第一个数码管的循环显示0－－9**/
  18          void main (void)
  19          {
  20   1      unsigned char counter;  //定义一个变量，用于计数0－－9
  21   1      P2=0x01;       //使能最右的第一个数码管
  22   1      while(1)
  23   1              {
  24   2              for(counter=0;counter<=9;counter++)
  25   2                      {P0=table[counter];       //查表显示数字table[counter],恰好显示0－－9
  26   3                      Software_Delay(1000);  //延时1秒
  27   3                      }
  28   2              }
  29   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     57    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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