led.lst

4位led显示

C51 COMPILER V8.04   LED                                                                   11/15/2006 10:28:13 PAGE 1   


C51 COMPILER V8.04, COMPILATION OF MODULE LED
OBJECT MODULE PLACED IN LED.OBJ
COMPILER INVOKED BY: e:\Keil\C51\BIN\C51.EXE LED.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*动态扫描方式显示数码管(共阳)测试程序*/
   2          #include<reg51.h>
   3          const unsigned char LEDCode[10] = {0x40|0x80,0x79|0x80,0x24|0x80,0x30|0x80,0x19|0x80,
   4                                     0x12|0x80,0x02|0x80,0x78|0x80,0x00|0x80,0x10|0x80}; //共阳极数码管显示码
   5          void delay()
   6          {
   7   1          unsigned int j;
   8   1          for(j=0;j<100;j++);
   9   1      }
  10          void main()
  11          {
  12   1          unsigned char i=0;
  13   1              while(1)
  14   1              {
  15   2                P2=LEDCode[i];//0
  16   2                P3=0x10;
  17   2                delay();
  18   2                P2=LEDCode[i+1];//1
  19   2                P3=0x20;
  20   2                delay();
  21   2                P2=LEDCode[i+2];//2
  22   2                P3=0x40;
  23   2                delay();
  24   2                P2=LEDCode[i+3];//3
  25   2                P3=0x80;
  26   2                delay();
  27   2               }
  28   1      }
  29          
  30          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     71    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     10    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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