#include"inc/config.h"


u08 CompareTem(    int16   tem , u08 statenow )
{
	
	if( statenow == NO_ALARM)/////////////////當前狀態(tài)為非報警狀態(tài)
	{
		if (tem <= TL )             //低溫報警
		{
            statenow= TL_ALARM;
        }
        else if (tem >= TH )      	//高溫報警
        {
            statenow= TH_ALARM;
        }

    }



	else if( statenow ==TL_ALARM ) 			//已經低溫報警，看是否停止
	{
	    if (tem >= TH)
		{
            statenow= TH_ALARM;		
		
		}
		else
        if (tem >= (TL+100) ) 
		{
            statenow= NO_ALARM;
			
		}
	}


	else if( statenow ==TH_ALARM ) 			//已經高溫報警，看是否停止
	{
	    if( tem <=TL)
		{
            statenow= TL_ALARM;		
		
		}
        else if (tem <= (TH-100) ) 
		{
            statenow= NO_ALARM;
		}
	}
 
    return statenow;  						//返回判斷結果				

}



/************************************************************************************
** 函數功能：	濕度比較函數
** 傳入參數：	最新濕度，通道號，當前狀態(tài)
** 輸出：	  	重新判斷后的報警狀態(tài)
************************************************************************************/
u08 CompareHum( u08 Hum , u08 statenow )
{
	if( statenow == NO_ALARM)	//沒有報警
	{
	     if (Hum >= HH )        //高濕報警
	    {
	        statenow = HH_ALARM;
	    }
	}
	else						//已經高濕
	{
	    if (Hum <= (HH-10  ))   //復位報警 ,否則保持原狀態(tài)  
	    {
	        statenow = NO_ALARM;
	    }
	}
	return statenow;
}

/**------------------------------------------------------------------**/
void RelayJudge( u08 Tstate ,u08  Hstate)
{
	//濕度繼電1器判斷
    if( Hstate==HH_ALARM && Tstate!=TH_ALARM)
    {
 		heat (  ON	);
	  	fan	 (  OFF	);	//除濕時保證風扇不動作
    }
 
 
    //溫度繼電器判斷
    if (Tstate==TH_ALARM )		//溫濕度交錯控制，濕度優(yōu)先
    {
	   fan	(  ON	);			//風扇降溫時,保證加熱升溫關閉
	   heat	(  OFF	);
    }
    else if (Tstate==TL_ALARM)
    {
	   heat	(  ON	);
	   fan	(  OFF 	);
    }
    else
    {
	   fan	(  OFF );

	   if( Hstate==NO_ALARM )
	   {
		   heat	(  OFF );	//如果不在除濕，則關閉加熱，
	   }
    }
 

}

void RelayRst(void)				//用于上電或者修改參數后推出時
{
	 AlrmStatusH   = NO_ALARM;
 	 AlrmStatusT   = NO_ALARM;

}

 


/*繼電器操作函數*/
void dehum( BOOL On_Off)//除濕
{
 CH1_DEHUM = On_Off; 
 
}
							 
void heat(  BOOL On_Off)//加熱
{ 
 CH1_HEAT = On_Off; 
 
}

void fan(  BOOL On_Off)//風扇
{
  CH1_FAN = On_Off; 
}