freescale

Freescale 系列单片机常用模块与综合系统设计

/** ###################################################################
**     Filename  : Smoke_Detector.C
**     Project   : Smoke_Detector
**     Processor : MC9S08JM60CLHE
**     Version   : Driver 01.11
**     Compiler  : CodeWarrior HCS08 C Compiler
**     Date/Time : 2009-10-21, 18:24
**     Abstract  :
**         Main module.
**         This module contains user's application code.
**     Settings  :
**     Contents  :
**         No public methods
**
**     (c) Copyright UNIS, spol. s r.o. 1997-2008
**     UNIS, spol. s r.o.
**     Jundrovska 33
**     624 00 Brno
**     Czech Republic
**     http      : www.processorexpert.com
**     mail      : [e-mail]
** ###################################################################*/
/* MODULE Smoke_Detector */


/* Including needed modules to compile this module/procedure */
#include "Cpu.h"
#include "Events.h"
#include "LIGHT_AD.h"
#include "IRLED.h"
#include "OAPOWER.h"
#include "LED.h"
#include "Timer_Variable.h"
#include "KEY.h"
/* Include shared modules, which are used for whole project */
#include "PE_Types.h"
#include "PE_Error.h"
#include "PE_Const.h"
#include "IO_Map.h"

#include "AD_Process.h"


void main(void)
{
  /* Write your local variable definition here */

  /*** Processor Expert internal initialization. DON'T REMOVE THIS CODE!!! ***/
  PE_low_level_init();
  /*** End of Processor Expert internal initialization.                    ***/

  for(;;) 
  {
    Sample();
    Average();
    
    if (light_average > (dark_average + 30))
    {

      if (alarm_flag == 0)
      {
        smoke_detect_count++;         // Increment detection counter
        smoke_detect_count &= 0x03;   // Only count values of up to 3

        if (smoke_detect_count == 1)
        Timer_Variable_SetDutyMS(4000);  //This cuts the sample period in half to 4s

                                      // This cuts the sample period in half to 4s
        else if (smoke_detect_count == 2)
          Timer_Variable_SetDutyMS(1000); // which makes the sample period 1s
        else if (smoke_detect_count == 3)
        {
          alarm_flag = 1;             // Set alarm flag
          LED_SetVal();            // Turn on visible LED
        }
      }
    }
    else   // light_average not > dark_average+30
    {
      LED_ClrVal();                        // Turn off visible LED, but leave pull-up
      alarm_flag = 0;                 // If no smoke present, clear alarm flag
      smoke_detect_count = 0;         // Clear smoke detect counter
      Timer_Variable_SetDutyMS(8000);
    }
  }
}
/* END Smoke_Detector */
/*
** ###################################################################
**
**     This file was created by UNIS Processor Expert 3.03 [04.07]
**     for the Freescale HCS08 series of microcontrollers.
**
** ###################################################################
*/