interrupt.c

无线红外传感报警系统

#include "Head.h"
extern uchar searchOK;
extern uchar Command[];
unsigned int TimeCNT,timer0,temp_1820=1,Button_02;//
uchar TimeBT;
bit psw;  //pass word OK? 
void  EXintt0(void) interrupt 0 using 1
{  	Alarm=0; 
    if(IN1) Alarm=1;
	if(IN2) Alarm=2;
    if(IN3) Alarm=3;
    if(IN4) Alarm=4;
}
void  time0(void) interrupt 1 using 2
{	TR0=0;
	A0_ISD=0;   //Sound quick search stop
	searchOK=1; // set searchok flag
}
void signal_input(void) interrupt 2 using 2 
{   unsigned char data temp;
	static uchar counter,i=0;
	//------------------------------------------------------------
   temp=Read_80status();
   if(HANDUP==1)          //ring checking
	  {
		if(timer0==1) timer0=1;
		if(timer0>1200) {timer0=0; counter=0;}
		if(timer0>75) counter++;  //原值150
		   timer0=1;
 	    if(counter==1) 
		{Inputcounter=0;
		 counter=0;
		 HANDUP=0;
		 timer0=1;  //input watch dog(about 30s)
	     SoundEn=1;
		}
	  }
	  else//---------------------------------------
	  { //funtion 
	  if((temp&0x02)==0x02 ) 
		{temp=Read_80Data(); 
		 if(musicstate<9) musicstate=10;
		 timer0=2000;  // Input watch dog/
			 //SoundEn=0;
		 if(AlarmHappen==1) {SoundEn=1; AlarmHappen=0;return;}
		 temp=temp & 0x0f;
		 if(GetPSW==1 && InputEn)  //pass
		  {switch(InputLen)
		     {case 1:
				if(temp==13) timer0=10000;
				  else{Funtion=temp;break;}  // funtion select
	          case 2:                 // chanle control
			     if(i==0)
				   if(temp==3 || temp==13){Funtion=21;break;}       // # ?
			       InputBuff[i++]=temp;
				 if(i==2)
				   {if(temp==3 || temp==13){ Funtion=20;break;}     // No.+#
				      else {Funtion=23;break;}   //input error
		           }
				 return;
			  case 3:
			   if(i==0 && temp==3){Funtion=21;break;}  // # ?
 			    InputBuff[i++]=temp;
			    if(i>2)
				   {if(temp==3 || temp==13){ Funtion=26;break;}    // temperature.+#
				      else {Funtion=23;break;}      //input error
		           }
				 return;
			  case 6:   // change psw
			   InputBuff[i++]=temp;
			   //if(i<6 && temp==3){Funtion=21;break;}
			   if(i==6){Funtion=22;break;}
			   if(temp==3 || temp==13){Funtion=21;break;}  //input Err
			   return;
		     case 11:  //phone number
			   InputBuff[i++]=temp;
			   if(i<3 && temp==3) {Funtion=21;break;}  //input Err
  		       if(i>=13 || temp==3){Funtion=24;break;}
			   if(temp==13){Funtion=21;break;}  //input Err
			   return;
			 }
		   InputEn=0;i=0;
		   return;
		   }
		else    //pass word input
		   if(InputEn==1)
	       {
			InputBuff[i++]=temp;   // psw input
			if(i>12) {InputEn=0;InputErr=1;i=0;return;}
			if(temp==0x03 ) 
			 {  
 				if(i!=(InputLen+1)) InputErr=1;
			     else 
				   {InputDone=1; 
				    InputBuff[i-1]=0xff;
				   }
			  InputEn=0;
			  i=0;
			  }
		   }
		}		
	}
}
void  time1(void) interrupt 3 using 3//about 8ms
{   TH1=225; TL1=0;
	if(temp_1820>0 && temp_1820<500)temp_1820++;//1820delay
	if(Button_02>0 && Button_02<1000) Button_02++;//Button_02 delay
	if(TimeCNT>0 && TimeCNT<2000) TimeCNT++;   //8880 delay
	if(TimeBT>0)  TimeBT++;   //button chcke
	if(timer0>0)timer0++;  //input signal check (watch dog/auto handdown)
    if(timer0>10000) 
	 { HANDUP=1; timer0=9999;
	   GetPSW=0;InputLen=6;
	   LINE=1;
	   Funtion=0;
	   InputDone=0; 
	   InputErr=0;
	   if(musicstate<9) musicstate=10;  // stop sound
	   Sound[0]=15;
	   Sound[1]=29;
	   Sound[2]=27;
	   Sound[3]=0xff;
	                }  //超时  挂机
}