set_pwm.lst

无刷电机的控制程序

C51 COMPILER V7.06   SET_PWM                                                               12/08/2008 14:15:19 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE SET_PWM
OBJECT MODULE PLACED IN set_pwm.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE set_pwm.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          //对PWM进行设置
   2          #include "sfr.h"
   3          #include "port.h"
   4          
   5          //导通PWM0
   6          void set_pwm0()
   7          {
   8   1              XBR1 = 0x40;
   9   1              PCA0CPM0 = 0x42;        // PCA Capture/Compare Register 0
  10   1              
  11   1              PCA0CPM1 = 0x40;        // PCA Capture/Compare Register 1
  12   1              sb_4 = 1;
  13   1      
  14   1              PCA0CPM2 = 0x40;        // PCA Capture/Compare Register 2
  15   1              sb_6 = 1;
  16   1      
  17   1              XBR1 = 0x43;
  18   1      }
  19          
  20          //导通PWM1
  21          void set_pwm1()
  22          {
  23   1              XBR1 = 0x40;
  24   1              PCA0CPM0 = 0x40;        // PCA Capture/Compare Register 0
  25   1              sb_2 = 1;
  26   1              
  27   1              PCA0CPM1 = 0x42;        // PCA Capture/Compare Register 1
  28   1              
  29   1              PCA0CPM2 = 0x40;        // PCA Capture/Compare Register 2
  30   1              sb_6 = 1;
  31   1      
  32   1              XBR1 = 0x43;
  33   1      }
  34          
  35          //导通PWM2
  36          void set_pwm2()
  37          {
  38   1              XBR1 = 0x40;
  39   1              PCA0CPM0 = 0x40;        // PCA Capture/Compare Register 0
  40   1              sb_2 = 1;
  41   1              
  42   1              PCA0CPM1 = 0x40;        // PCA Capture/Compare Register 1
  43   1              sb_4 = 1;
  44   1              
  45   1              PCA0CPM2 = 0x42;        // PCA Capture/Compare Register 2
  46   1      
  47   1              XBR1 = 0x43;
  48   1      
  49   1      }
  50          
  51          //设置PWM波的占空比
  52          void set_pwm_wideth (unchar x)
  53          {
  54   1              
  55   1              PCA0CPL0 = x;   // PCA 定时器/计数器 低字节
C51 COMPILER V7.06   SET_PWM                                                               12/08/2008 14:15:19 PAGE 2   

  56   1              PCA0CPH0 = x;   // PCA 定时器/计数器 高字节
  57   1      
  58   1              PCA0CPL1 = x;   // PCA 定时器/计数器 低字节
  59   1              PCA0CPH1 = x;   // PCA 定时器/计数器 高字节
  60   1      
  61   1              PCA0CPL2 = x;   // PCA 定时器/计数器 低字节
  62   1              PCA0CPH2 = x;   // PCA 定时器/计数器 高字节
  63   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     73    ----
   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)