led1.lst

二极管闪动实验

C51 COMPILER V7.02a   LED1                                                                 04/01/2004 23:55:59 PAGE 1   


C51 COMPILER V7.02a, COMPILATION OF MODULE LED1
OBJECT MODULE PLACED IN led1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE led1.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          /***************************************************************
   2          功能:实现LED4灯闪烁
   3          作者:SG
   4          时间:2004-03-15
   5          版本:V1.0
   6          ***************************************************************/
   7          
   8          sbit _Led4 = 0x97;                              //对应CPU管脚P1.7
   9          
  10          /*-----------------------------------------
  11          1MS延时子程序
  12          -----------------------------------------*/
  13          void Delay_xMs(unsigned int x)
  14          {
  15   1          unsigned int i,j;
  16   1          for( i =0;i < x;i++ )
  17   1          {
  18   2              for( j =0;j<500;j++ );
  19   2          }
  20   1      }
  21          
  22          /*-----------------------------------------
  23          主程序
  24          实现LED4灯闪烁,亮1秒灭1秒.
  25          ----------------------------------------*/
  26          void main()
  27          {
  28   1              while(1)
  29   1              {
  30   2                      _Led4 = 0;                              //LED4 发光二极管亮
  31   2                      Delay_xMs(1000);                //延时1秒钟
  32   2                      _Led4 = 1;                              //LED4 发光二极管灭
  33   2                      Delay_xMs(1000);                //延时1秒钟
  34   2              }
  35   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     48    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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