buzzer.lst

EasyStudy51-II单片机开发系统的库函数源代码.包含了EasyStudy51-II硬件的全部驱动.

C51 COMPILER V7.06   BUZZER                                                                11/06/2008 01:10:19 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE BUZZER
OBJECT MODULE PLACED IN buzzer.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE c51\buzzer.c INCDIR(.\Target\INC\) DEBUG OBJECTEXTEND PRINT(.\buzzer.lst) O
                    -BJECT(buzzer.obj)

stmt level    source

   1          
   2          
   3          
   4          #include "AT89X52.h"
   5          #include "ES51_II.h"
   6          #include "ES51_II_LIB.h"
   7          
   8          
   9          //      delayms_on:响声长短,
  10          //      延时以ms为单位
  11          void CtrlBuzzer(const unsigned int delayms_on,const unsigned int delayms_off)
  12          {
  13   1              BELL = 0;                       
  14   1              DelayMS(delayms_on);
  15   1              BELL = 1;
  16   1              DelayMS(delayms_off);
  17   1      }
  18          
  19          //      long_nub:       长声次数
  20          //      short_nub:      短声次数                
  21          void Buzzer(unsigned char long_nub,unsigned char short_nub)
  22          {
  23   1              for( ; long_nub>0; long_nub-- )
  24   1                      CtrlBuzzer(500,250);
  25   1              for( ; short_nub>0; short_nub-- )
  26   1                      CtrlBuzzer(250,180);
  27   1      }
  28          
  29          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     67    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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