led.lst

来自「51单片机实验例程」· LST 代码 · 共 73 行

C51 COMPILER V7.10   LED                                                                   05/13/2010 11:25:54 PAGE 1   


C51 COMPILER V7.10, COMPILATION OF MODULE LED
OBJECT MODULE PLACED IN led.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE led.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*******************************************************************************
   2          *  标题:                  试验动静LED灯——实现动态控制                        *
   3          *                                                                                                                                                          *
   4          *  连接方法：P0与J12 用8PIN排线连接      J14短路帽短接                             *
   5          ********************************************************************************
   6          *                                                                                                                      *
   7          * 请学员认真消化本例程，用单片机脚直接控制和138译码器控制数码管                *
   8          ********************************************************************************/
   9          
  10          
  11          #include <reg51.h> 
  12          #include <intrins.h>
  13          
  14          sbit LED8_1=P1^1;
  15          
  16          void delay(unsigned int i);      //函数声名
  17          
  18          char DelayCNT;
  19          char LED;
  20           
  21          main()
  22          {  
  23   1         LED = 0x01;  
  24   1         DelayCNT=0;
  25   1      
  26   1        while(1)
  27   1        {      
  28   2           if(++DelayCNT>=10)   //点亮动静LED灯速度控制
  29   2               {
  30   3                      DelayCNT=0;
  31   3                      LED = LED << 1;     // 左移
  32   3                      if(LED==0) LED = 1;     // 移位后，后面的位为高电平
  33   3               }
  34   2                P0 =LED; 
  35   2                LED8_1=0;
  36   2                delay(1000);  //调用延时程序
  37   2         }   
  38   1      }       
  39          
  40          void delay(unsigned int i)
  41          {
  42   1          char j;
  43   1          for(i; i > 0; i--)
  44   1              for(j = 200; j > 0; j--);
  45   1      }
  46          
  47          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     75    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
C51 COMPILER V7.10   LED                                                                   05/13/2010 11:25:54 PAGE 2   

   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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