serial_initial.lst

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C51 COMPILER V7.50   SERIAL_INITIAL                                                        01/03/2009 19:40:12 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE SERIAL_INITIAL
OBJECT MODULE PLACED IN serial_initial.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE SRC\serial_initial.c OPTIMIZE(0,SPEED) BROWSE DEBUG OBJECTEXTEND PRINT(.\se
                    -rial_initial.lst) OBJECT(serial_initial.obj)

line level    source

   1          #include "p89v51rx2.h"
   2          #define SPEET_ 60
   3          void serial_initial(void)
   4          {
   5   1              SCON = 0X52;
   6   1              TMOD = 0X20;
   7   1              TH1 = 0XF3;
   8   1              TR1 = 1;      //PRINTE函数必须
   9   1      }
  10          //              for(n=0;n<60;n++);
  11          void tim0_initial(void)
  12          {       
  13   1              serial_initial();
  14   1              TMOD |= 0X02;
  15   1              TL0=TH0=255-SPEET_;//初始化时间常数     大约每x us中断一次   
  16   1              EA = 1;            //总中断容许
  17   1              ET0= 1;                  //定时器/计数器0容许中断
  18   1              TR0=0;                   //启动定时器/计数器0工作
  19   1      }
  20          
  21          sbit    LS     = P2^1;                                          //限位控制
  22          #define _LS_     0x0200
  23          sbit    Pluse = P2^4;                                           //电机脉冲
  24          sbit    Direction = P2^5;                                       //电机方向
  25          //extern unsigned char _D;
  26          extern unsigned long old_Step,  _Step;
  27          
  28          void tim0_int (void) interrupt 1
  29          {       
  30   1      
  31   1                              if(_Step>old_Step)
  32   1                              {   
  33   2                                  if(!Pluse ) old_Step++;
  34   2                                      Pluse = !Pluse;//电机脉冲
  35   2                      }
  36   1                          else if(_Step<old_Step)
  37   1                              {   
  38   2      
  39   2                                      if(LS)//接近开关到位，不可正转。
  40   2                                          {
  41   3                                              _Step=0; 
  42   3                                                      old_Step=0;
  43   3                                              } 
  44   2                                      else
  45   2                                          {
  46   3                                          if(!Pluse )old_Step--;
  47   3                                              Pluse = !Pluse;//电机脉冲
  48   3                                          }
  49   2                      }
  50   1                              else TR0=0;                      //启动定时器/计数器0不工作
  51   1      }
  52          


C51 COMPILER V7.50   SERIAL_INITIAL                                                        01/03/2009 19:40:12 PAGE 2   

MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    240    ----
   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)