pwmtest.lst

来自「C8051F020捕获测试...C8051F020捕获测试...C8051F02」· LST 代码 · 共 45 行

C51 COMPILER V8.02   PWMTEST                                                               03/14/2009 16:22:21 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE PWMTEST
OBJECT MODULE PLACED IN PWMTEST.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE PWMTEST.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <C8051F020.H>
   2          #include "uart.h"
   3          
   4          void PWMInit()
   5          {
   6   1              
   7   1              PCA0MD=0X80;   //系统时钟12分频，空闲时PCA0停止工作，禁止PCA0溢出中断
   8   1              PCA0CPM0=0x82; //置一PWM0,禁止CCF0中断,16位PWM方式
   9   1              PCA0CPL0=0XFF; //低电平脉宽,写它清零ECOM0
  10   1              PCA0CPH0=0X3F; //低电平脉宽,写它置一ECOM0.   同时置一PWM0 ECOM0使能比较器 
  11   1              PCA0L=0XFF;    //PCA0计数器初值，加计数，PCA0L从FF->00溢出时,CEXn=0 ,当PCA0L=PCA0CPL0时,CEXn=1
  12   1              PCA0H=0XFF;        //PCA0计数器初值，加计数  
  13   1              PCA0CN|=0X40;  //允许PCA0计数器
  14   1      }
  15          
  16          
  17          
  18          
  19          
  20          
  21          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     22    ----
   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)