pi_pwm2.lst

直流电机速度闭环PWM控制——ＰＷＭ方面 直流电机速度闭环PWM控制——ＰＷＭ方面

C51 COMPILER V7.08   PI_PWM2                                                               08/23/2007 15:45:22 PAGE 1   


C51 COMPILER V7.08, COMPILATION OF MODULE PI_PWM2
OBJECT MODULE PLACED IN PI_PWM2.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE PI_PWM2.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <absacc.h>
   2          #include <reg51.h>
   3          #include <stdio.h>
   4          bit flag=1;
   5          unsigned char pwm=0;
   6          unsigned char a,b;
   7          sbit P21=P2^1;
   8          sbit P20=P2^0;
   9          void sdf() interrupt 3 using 0    //定时255us,0.063s
  10          {
  11   1      P1=0x00;
  12   1      if(flag==1)
  13   1       {a--;
  14   2        if(a==0)
  15   2          {flag=0;
  16   3              a=1;
  17   3              }
  18   2         else
  19   2         {P21=0;}
  20   2       }
  21   1      if(flag==0)
  22   1       {b--;
  23   2        if(b==0)
  24   2          {flag=1;
  25   3              b=253;
  26   3              }
  27   2        else
  28   2       {P21=1;}
  29   2       }
  30   1      }
  31          main()
  32          {TMOD=0x20;
  33   1      TH1=0x06; //对TH0 TL0 赋值
  34   1      TL1=0x06;
  35   1      P20=1;
  36   1      ET1=1;
  37   1      TF1=0;
  38   1      b=1;
  39   1      a=253;
  40   1      TR1=1;
  41   1      EA=1;
  42   1      while(1);
  43   1      
  44   1      }
  45          
  46           


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     60    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      3    ----
   IDATA SIZE       =   ----    ----
C51 COMPILER V7.08   PI_PWM2                                                               08/23/2007 15:45:22 PAGE 2   

   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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