freescale

来自「Freescale 系列单片机常用模块与综合系统设计」· 代码 · 共 76 行

/** ###################################################################
**     Filename  : Events.C
**     Project   : Buzzer_Ctrl
**     Processor : MC9S08JM60CLHE
**     Component : Events
**     Version   : Driver 01.02
**     Compiler  : CodeWarrior HCS08 C Compiler
**     Date/Time : 2010-1-10, 19:55
**     Abstract  :
**         This is user's event module.
**         Put your event handler code here.
**     Settings  :
**     Contents  :
**         No public methods
**
** ###################################################################*/
/* MODULE Events */


#include "Cpu.h"
#include "Events.h"
#include "variables.h"

/* User includes (#include below this line is not maintained by Processor Expert) */

/*
** ===================================================================
**     Event       :  timer_125us_OnInterrupt (module Events)
**
**     Component   :  timer_125us [TimerInt]
**     Description :
**         When a timer interrupt occurs this event is called (only
**         when the component is enabled - <Enable> and the events are
**         enabled - <EnableEvent>). This event is enabled only if a
**         <interrupt service/event> is enabled.
**     Parameters  : None
**     Returns     : Nothing
** ===================================================================
*/
void timer_125us_OnInterrupt(void)
{
  /* Write your code here ... */
  interrupt_cnt++;
 
  //每计200次中断，蜂鸣音长或间隔计数减1
  if(interrupt_cnt == 200)
  {
    interrupt_cnt = 0;
    
    if(beep_delay !=0)
    {
      beep_delay--;
    }
  }
  
  if(time_f1.bit2 == 1)
   {
     PTAD ^=0x20;
  } 
  else  
  {
    PTAD = 0;
  }
}

/* END Events */

/*
** ###################################################################
**
**     This file was created by Processor Expert 3.07 [04.34]
**     for the Freescale HCS08 series of microcontrollers.
**
** ###################################################################
*/