steppermotor.lst

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C51 COMPILER V8.09   STEPPERMOTOR                                                          05/07/2009 17:14:37 PAGE 1   


C51 COMPILER V8.09, COMPILATION OF MODULE STEPPERMOTOR
OBJECT MODULE PLACED IN steppermotor.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE steppermotor.c LARGE BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #include <absacc.h>
   3          
   4          #define pa8255 XBYTE[0x0d000]                   /* 数据A口 */
   5          #define pb8255 XBYTE[0x0d100]                   /* 数据B口 */
   6          #define control XBYTE[0x0d300]                  /* 命令口 */
   7          
   8          /*xdata unsigned char  _at_ 0xD300;
   9          xdata unsigned char pa8255 _at_ 0xD000;
  10          xdata unsigned char pb8255 _at_ 0xD001;
  11          */
  12          #define Astep 0x01
  13          #define Bstep 0x02
  14          #define Cstep 0x04
  15          #define Dstep 0x08
  16          #define mode8255 0x82
  17          extern unsigned char scankeypad ();
  18          unsigned char dly_c;
  19          
  20          
  21          void delay8255()
  22                  {
  23   1                      unsigned char tt,cc;
  24   1                      cc=dly_c;
  25   1                      tt=0;
  26   1                      do
  27   1                              {
  28   2                                      do
  29   2                                              {
  30   3                                              }
  31   2                                      while(--tt);
  32   2                              }
  33   1                      while(--cc);
  34   1              }
  35          void steppermotor()
  36                  {
  37   1                      unsigned char mode;
  38   1                      control=mode8255;
  39   1                      pb8255=0;       
  40   1                      mode=2;
  41   1                      pa8255=0;
  42   1                      dly_c=0x10;
  43   1                      while(1)
  44   1                      {
  45   2                      if(mode==1)
  46   2                              while(1)
  47   2                                      {
  48   3                                              pa8255=Dstep;
  49   3                                              delay8255();
  50   3                                              pa8255=Dstep+Cstep;
  51   3                                              delay8255();
  52   3                                              pa8255=Cstep;
  53   3                                              delay8255();
  54   3                                              pa8255=Cstep+Bstep;
  55   3                                              delay8255();
C51 COMPILER V8.09   STEPPERMOTOR                                                          05/07/2009 17:14:37 PAGE 2   

  56   3                                              pa8255=Bstep;
  57   3                                              delay8255();
  58   3                                              pa8255=Bstep+Astep;
  59   3                                              delay8255();
  60   3                                              pa8255=Astep;
  61   3                                              delay8255();
  62   3                                              pa8255=Astep+Dstep;
  63   3                                              delay8255();
  64   3                                      }
  65   2                      if(mode==2)
  66   2                      while(1)
  67   2                              {       if((pb8255&0x02)==2){mode=3;break;}
  68   3                                      if(scankeypad()==15) return;
  69   3                                      pa8255=Astep+Bstep;
  70   3                                      delay8255();
  71   3                                      pa8255=Bstep+Cstep;
  72   3                                      delay8255();
  73   3                                      pa8255=Cstep+Dstep;
  74   3                                      delay8255();
  75   3                                      pa8255=Dstep+Astep;
  76   3                                      delay8255();
  77   3                                      //if(dly_c>3) dly_c--;
  78   3                              }
  79   2                      if(mode==3)
  80   2                      while(1)
  81   2                              {       if((pb8255&0x01)==1){mode=2;break;}
  82   3                                      if(scankeypad()==15) return;
  83   3                                      pa8255=Dstep;
  84   3                                      delay8255();
  85   3                                      pa8255=Cstep;
  86   3                                      delay8255();
  87   3                                      pa8255=Bstep;
  88   3                                      delay8255();
  89   3                                      pa8255=Astep;
  90   3                                      delay8255();
  91   3                                      //if(dly_c>4) dly_c--;
  92   3                              }
  93   2                      }
  94   1              }
  95          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    243    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =      1       1
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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