步进马达.lst

5线单极性步进电机

C51 COMPILER V7.10   步絖马达                                                              11/17/2011 09:38:50 PAGE 1   


C51 COMPILER V7.10, COMPILATION OF MODULE 步絖马达
OBJECT MODULE PLACED IN 步进马达.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 步进马达.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /**************************************************************************************
   2          *  标题:  步进电机试验四                                                                                                                          *
   3          *                                                                                                                                                                         *
   4          *    通过本例程了解步进马达使用及驱动程序编写                                                                             *
   5          *     双四拍工作方式：                                                                    *
   6          *    AB-BC-CD-DA (即一个脉冲,转 7.5 度)                                                                                           *
   7          *                                                                                         *
   8          *  请学员一定要消化掉本例程，                                                             *
   9                                                                                                                                    *
  10          **************************************************************************************/    
  11           
  12          
  13          #include "reg52.h"
  14           //Motor
  15          sbit F1 = P1^0;
  16          sbit F2 = P1^1;
  17          sbit F3 = P1^2;
  18          sbit F4 = P1^3;
  19          
  20          
  21          
  22           ///////////////////////////////////////
  23          //步进电机驱动
  24          unsigned char MotorStep=0;
  25          unsigned int MotorTimer = 0;
  26          unsigned int TIM,CT;
  27          
  28          void InitMotor()
  29          {
  30   1        F1 = 1;
  31   1        F2 = 1;
  32   1        F3 = 1;
  33   1        F4 = 1;
  34   1      }
  35          
  36          
  37           
  38          void SetMotor()
  39          {
  40   1        //  if(Speed == 0) return;
  41   1      
  42   1         
  43   1          switch(MotorStep)
  44   1          {
  45   2             case 0:
  46   2                if(TIM)
  47   2                {
  48   3                  F1 = 0;
  49   3                  F2 = 0;
  50   3                              F3 = 1;
  51   3                              F4 = 1;
  52   3                  MotorStep = 1;
  53   3                               TIM=0;
  54   3                }
  55   2             break;
C51 COMPILER V7.10   步絖马达                                                              11/17/2011 09:38:50 PAGE 2   

  56   2      
  57   2             case 1:
  58   2               if(TIM)
  59   2                {     
  60   3                  F1 = 1;
  61   3                  F2 = 0;
  62   3                  F3 = 0;
  63   3                  F4 = 1;
  64   3                  MotorStep = 2;
  65   3                              TIM=0;
  66   3                }
  67   2             break;
  68   2      
  69   2             case 2:
  70   2               if(TIM)
  71   2                {
  72   3                 
  73   3                
  74   3                  F1 = 1;
  75   3                  F2 = 1;
  76   3                  F3 = 0;
  77   3                  F4 = 0;
  78   3                  MotorStep = 3;
  79   3                              TIM=0;
  80   3                }
  81   2             break;
  82   2      
  83   2      
  84   2             case 3:
  85   2               if(TIM)
  86   2                {     
  87   3                  F1 = 0;
  88   3                  F2 = 1;
  89   3                  F3 = 1;
  90   3                  F4 = 0;
  91   3                  MotorStep = 0;
  92   3                              TIM=0;
  93   3                }
  94   2             break;
  95   2          }
  96   1      
  97   1      }
  98          
  99          
 100          void system_Ini()
 101          {
 102   1          TMOD|= 0x11;
 103   1          TH0=0xDC; //11.0592M
 104   1          TL0=0x00;   
 105   1              IE = 0x8A;      
 106   1          TR0  = 1;
 107   1      
 108   1      
 109   1      }
 110          
 111          main() 
 112           { system_Ini();
 113   1         InitMotor();
 114   1          while(1)
 115   1              {
 116   2               SetMotor();
 117   2      
C51 COMPILER V7.10   步絖马达                                                              11/17/2011 09:38:50 PAGE 3   

 118   2               }
 119   1      
 120   1      
 121   1      
 122   1        }
 123            
 124           /*************************************
 125           [ t1 (0.5ms)中断] 中断中做 PWM 输出
 126            ------------1000/(0.02ms*250)=200Hz
 127          *************************************/
 128            void Tzd(void) interrupt 1
 129          {
 130   1         TH0 = 0xfe;    //11.0592
 131   1               TL0 = 0x33;
 132   1      
 133   1              if( CT++==40) 
 134   1                {TIM=1;
 135   2                 CT=0;
 136   2                }
 137   1       }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    177    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      7    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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