irq.c

AirConditioner project

/*  INCLUDE  */
#include <hidef.h> /* for EnableInterrupts macro */
#include <MC68HC908GZ60.h> /* include peripheral declarations */
#include "COMMON.h"
#include "IRQ.h"
#include "TIM.h"
#include "INIT.h"
#include "VFD.h"

/* Global Variables */
extern UINT8 fanladder;

/*****************************************************************************
 * Function:        Power()
 *
 * Description:     none
 *
 * Returns:         none
 *
 * Notes:           This handler is the interrupt function of Power switch
 *					        interrupt.
 *
 *****************************************************************************/
 void interrupt Power(void){
   
   static UINT8 Power = ON;
   static UINT8 fanladder_m;
   static UINT8 MOTOR_MIX_m,MOTOR_CYCLE_m,MOTOR_MODE_m,MOTOR_CENTER_m;
   UINT16 i=0xFFFF;
   
   TBCR_TBIE        =0;										//Mask TBM interrupt
	 
	 for(;i>0;i--){			                    //Wait for a time
	 	 __RESET_WATCHDOG();                         
	 }
	 
	 EnableInterrupts;
        
   if(Power == ON){
     	            
      MOTOR_MIX_EN      =0;               //Motor stopped
      MOTOR_CYCLE_EN    =0;
      MOTOR_MODE_EN     =0;
      MOTOR_CENTER_EN   =0;
      
      MOTOR_MIX_m       =MOTOR_MIX;       //Memory motor select state
      MOTOR_CYCLE_m			=MOTOR_CYCLE;
      MOTOR_MODE_m      =MOTOR_MODE;
      MOTOR_CENTER_m    =MOTOR_CENTER;
      MOTOR_MIX         =0;
      MOTOR_CYCLE       =0;
      MOTOR_MODE        =0;
      MOTOR_CENTER      =0;
            
      fanladder_m       =fanladder;				//memory fanladder
      fanladder         =1;								//Turn fan off			  
      T1SC0_CH0MAX  =0;
      Fan_Down();
      
      ADSCR_ADCH        =0x1F;            //ADC power off
      
      COMPRESSOR        =OFF;             //Turn compressor off
      
      //TBCR_TBIE       =0;                //Turn TBM interrupt off
      SPSCK=0;
	    CS16512=1;
	    CS16512=0;                          
	    HoldTime();
	    DataOut(0x80);                      //Display off(keyscan continues)
	    HoldTime();
	    CS16512=1;                          
      
      Power=OFF;                          //Set flag
      
      INTKBSCR_IMASKK    =1;              //Mask keyboard interrupts
      
      TBCR_TBON        =0;                //Timebase is disabled in order to spare power
      __RESET_WATCHDOG();                 //Kicks the dog 
      INTSCR_ACK = 1;
      __asm STOP;                         //Enter stop mode
      
   } else if(Power == OFF){
     
   	  MOTOR_MIX         =MOTOR_MIX_m;      //Motor select state recovery
      MOTOR_CYCLE       =MOTOR_CYCLE_m;
      MOTOR_MODE        =MOTOR_MODE_m;
      MOTOR_CENTER      =MOTOR_CENTER_m;
   	  
   	  fanladder         =fanladder_m;      //set fanladder in memory
   	  Fan_Up();                           //Turn fan on
   	  
   	  SPSCK=0;
	    CS16512=1;     
	    CS16512=0;//cs up
	    HoldTime();
	    DataOut(0x8F);                      //Display on(keyscan continues)
	    HoldTime();
	    CS16512=1;//cs down
   	  
   	  Power=ON;														//Set flag
   	  
   	  INTKBSCR_IMASKK    =0;              //Mask keyboard interrupts
   	  INTSCR_ACK = 1;   	  
   	  TBCR_TBON        =1;                //Timebase is enabled
   	  TBCR_TBIE        =1;                //Turn TBM interrupt on
   }
   
      
 }