001_循环灯.lst

本代码是关于循环灯的代码

C51 COMPILER V7.50   001_循环灯                                                            05/10/2006 09:01:37 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE 001_循环灯
OBJECT MODULE PLACED IN .\001_循环灯.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ..\001_循环灯.c BROWSE DEBUG OBJECTEXTEND OBJECT(.\001_循环灯.obj)

line level    source

   1          #include <REGX51.H>
   2          
   3          #define LEDPORT P0
   4          const unsigned char LEDCODE[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};//发光二极管循环亮的代码表
   5          
   6          void delay(unsigned int t)//延时子程序
   7          {
   8   1        while(t)t--;
   9   1      }
  10          
  11          
  12          void main(void)
  13          {
  14   1        unsigned char i;
  15   1         
  16   1        while(1)//实现无限循环
  17   1          {
  18   2                  for(i=0;i<sizeof(LEDCODE);i++)//sizeof(LEDCODE)是按字节取代码表的长度
  19   2                    {
  20   3                            LEDPORT=LEDCODE[i];//从代码表中取出数据，送到P0端口
  21   3                            delay(60000);//延时0.3秒左右
  22   3                          }     
  23   2                }
  24   1      }
  25          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     34    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      8    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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