shuidi.lst

这是用51单片机开发的流水灯程序

C51 COMPILER V8.05a   SHUIDI                                                               02/28/2009 11:34:57 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE SHUIDI
OBJECT MODULE PLACED IN shuidi.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE shuidi.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg52.h>
   2          #include<intrins.h>//intrinsic内在的
   3          #define uchar unsigned char
   4          #define uint  unsigned int
   5          uint dropdown_flag;
   6          void mian()//水滴方案
   7          {
   8   1        static uchar s_dropdownCounter=0,s_dropdown_i=7,s_dropdown_Overcounter;
   9   1        uchar rest;
  10   1        if(dropdown_flag==1) /*判断100ms是否到*/
  11   1        {
  12   2          dropdown_flag=0;
  13   2           rest=s_dropdownCounter%8;
  14   2           P2=~(0x01<<rest)&(0xff>>(7-s_dropdown_i));
  15   2           if(s_dropdownCounter>=(8-s_dropdown_i)*7)
  16   2           {
  17   3               s_dropdownCounter+=8-s_dropdown_i;
  18   3               s_dropdown_i--;
  19   3               if(s_dropdown_i==0)
  20   3               {
  21   4                 s_dropdown_i=7;
  22   4                 s_dropdownCounter=0;
  23   4               }
  24   3            }
  25   2         }
  26   1      }
*** WARNING C280 IN LINE 8 OF SHUIDI.C: 's_dropdown_Overcounter': unreferenced local variable
  27          void stimer(uchar tr)
  28          { 
  29   1       
  30   1       TMOD=0x01;//设置为T0以方式1
  31   1       TH0=(65536-50000)/256;
  32   1       TL0=(65536-50000)%256;//定时50ms
  33   1       EA=1;
  34   1       ET0=1;
  35   1       TR0=tr;  
  36   1      }
  37          void timer() interrupt 1
  38          {
  39   1       dropdown_flag=1;
  40   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    124    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)