51

51单片机大量源码

C51 COMPILER V8.18   EX62                                                                  01/04/2010 13:05:00 PAGE 1   


C51 COMPILER V8.18, COMPILATION OF MODULE EX62
OBJECT MODULE PLACED IN ex62.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ex62.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          //用数码管慢速动态扫描显示数字"1234"
   2          #include<reg52.h>        //  包含51单片机寄存器定义的头文件
   3           void delay(void)        //延时函数，延时一段时间
   4          {
   5   1         unsigned char i,j;
   6   1              for(i=0;i<250;i++)
   7   1               for(j=0;j<250;j++)
   8   1                   ;
   9   1       }
  10          void main(void)
  11          {
  12   1         while(1)    //无限循环
  13   1         {
  14   2           P2=0xfe;   //P2.0引脚输出低电平，DS0点亮
  15   2                P0=0xf9;  //数字1的段码
  16   2                delay();
  17   2                P2=0xfd ;  //P2.1引脚输出低电平，DS1点亮
  18   2                P0=0xa4;  //数字2的段码
  19   2                delay();       
  20   2           P2=0xfb;   //P2.2引脚输出低电平，DS2点亮
  21   2                P0=0xb0;  //数字3的段码
  22   2                delay();
  23   2           P2=0xf7;   //P2.3引脚输出低电平，DS3点亮
  24   2                P0=0x99;  //数字4的段码
  25   2                delay();
  26   2           P2=0xff;      
  27   2         } 
  28   1      }
  29          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     54    ----
   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)