动态扫描.lst

单片机c语言 用于DY500或同类型的开发板

C51 COMPILER V7.06   __蘝蒧描                                                              08/21/2008 11:22:00 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE __蘝蒧描
OBJECT MODULE PLACED IN 动态扫描.OBJ
COMPILER INVOKED BY: d:\Keil2\C51\BIN\C51.EXE 动态扫描.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          /*copyright 2007,ShangHai  HaoTun Electronic Technology co.,Ltd
   2           *
   3           *This sample is used for 7-seg led dynamic display .
   4           *
   5           *write by Shifang 2007-4-23
   6           *
   7           *V1.1
   8           */
   9          
  10          #include <reg52.h>
  11          
  12          unsigned char const dofly[]={0xf9,0xb0,0x92,0x80,0xf9,0xb0,0x92,0x80};// code table 13581358
  13          unsigned char code seg[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};//分别对应相应的数码管点亮
  14          ////////////////////////////////////////////////////////
  15          void delay(unsigned int cnt)
  16          {
  17   1       while(--cnt);
  18   1      }
  19          ///////////////////////////////////////////////////////
  20          main()
  21          {
  22   1       unsigned char i;
  23   1      
  24   1       while(1)
  25   1            {
  26   2       
  27   2             P0=dofly[i];//取显示数据
  28   2                 P2=seg[7-i];  //取段码
  29   2                 delay(200); //扫描间隙延时
  30   2                 i++;
  31   2                 if(8==i)    //检测8位扫描完全？
  32   2                   i=0;
  33   2            }
  34   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     61    ----
   CONSTANT SIZE    =      8    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      8       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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