File content as of revision 3:d23f3885fa07:

#include "mbed.h"
#include "TextLCD.h"
#define Maxsamples 50

Serial pc(SERIAL_TX,SERIAL_RX);
Ticker  Test;
unsigned mydelay;
AnalogIn potpin1(PA_0);
AnalogIn potpin2(PA_1);
AnalogIn batpin(PC_0);
AnalogIn Mains(PC_1);
DigitalIn itz1k(PB_14);
DigitalIn itz2k(PB_13);
DigitalIn Userbutton(PA_15);
//DigitalIn Reset(PB_9);
DigitalIn sbutton(PB_12);
DigitalIn silbutton(PB_11);
DigitalOut myled(LED1);
DigitalOut z1fled(PA_5, 1);
DigitalOut z2fled(PA_4, 1);
DigitalOut z1ftled(PA_7, 1);
DigitalOut z2ftled(PA_6, 1);
DigitalOut z1iled(PC_5, 1);
DigitalOut z2iled(PC_4,1);
DigitalOut silenceled(PB_1, 1);
DigitalOut soundled(PB_0, 1);
DigitalOut z1testled(PB_10, 1);
DigitalOut z2testled(PB_2, 1);
DigitalOut hooter(PC_8);
DigitalOut buzzer(PA_9);
DigitalOut z1r(PB_15);
DigitalOut z2r(PC_6);
DigitalOut Tx(PA_2);
DigitalOut Rx(PA_3);
DigitalOut TREN(PA_10);
DigitalOut z1drv(PC_9);
DigitalOut z2drv(PA_8);
DigitalOut fr(PC_7);
DigitalOut commonfire(PC_12, 1);
uint16_t z1tflag=0;
uint16_t z2tflag=0;
uint16_t z1iflag=0;
uint16_t z2iflag=0;
TextLCD lcd(PA_11,PF_6,PF_7,PA_15,PC_10,PC_11);//RW- PA_12,
float fval1=0.0;
float fval2=0.0;
float fval3=0.0;
float fval4=0.0;
float sense=0.20;
//float Zone2sense=2.2;
float scsense=2.2;
float shortsense = 3.0;
float ocsense=0.11;
float mains = 2.7;  
float batsense=2.0;
unsigned long val1=0;
unsigned long val2=0;
unsigned long val3=0;
unsigned long val4=0;
uint16_t i = 0;
uint16_t j = 0;
uint16_t it1flag = 0;
uint16_t it2flag = 0;
int SilFlag, SouFlag;
int a;
int HBTest;
int OCflag;
int w, x;
void TestISR (void){
    if (mydelay) mydelay--;
}

void HooterON(void){
    hooter=1;
}

void BuzzerON(void){
    buzzer=1;
}     

void HooterOFF(void){
    hooter=0;
}

void BuzzerOFF(void){
    buzzer=0;
}

void HooterTest(unsigned counter){
        //if(HBTest == 0)HBTest = 1 ;
        //if(HBTest == 1){  
            HooterON();
            BuzzerON();
            mydelay = counter;
            while(mydelay);
            HooterOFF();
            BuzzerOFF();
            //mydelay = counter;  
            //while(mydelay);
            //HBTest = 2; 
        //}
}
     



void Z1FON(void){
    z1fled = 0;
}

void Z1FOFF(void){
    z1fled = 1;
}

void Z2FON(void){        
    z2fled = 0;
}

void Z2FOFF(void){        
    z2fled = 1;
}

void Z1FTON(void){
    z1ftled = 0;
}

void Z1FTOFF(void){
    z1ftled = 1;
}


void Z2FTON(void){
    z2ftled = 0;
}

void Z2FTOFF(void){
    z2ftled = 1;
}

void Z1ION(void){
    z1iled = 0;
}

void Z1IOFF(void){
    z1iled = 1;
}


void Z2ION(void){
    z2iled = 0;
}

void Z2IOFF(void){
    z2iled = 1;
}


void SILENCEON(void){
    silenceled = 0;
}

void SILENCEOFF(void){
    silenceled = 1;
}


void SOUNDON(void){
    soundled = 0;
}

void SOUNDOFF(void){
    soundled = 1;
}



void Z1TESTON(void){
    z1testled = 0;
}

void Z1TESTOFF(void){
    z1testled = 1;
}


void Z2TESTON(void){
    z2testled = 0;
}

void Z2TESTOFF(void){
    z2testled = 1;
}



void CFIREON(void){
    commonfire= 0;
}

void CFIREOFF(void){
    commonfire= 1;
}

void Z1RON(void){ 
    z1r = 1;
}

void Z1ROFF(void){ 
    z1r = 0;
}

void Z2RON(void){ 
    z2r = 1;
}

void Z2ROFF(void){ 
    z2r = 0;
}

void FRON(void){
    fr = 1;
}

void FROFF(void){
    fr = 0;
}

void avg(void){
    

    
            fval1 = fval2 = fval3= fval4= 0;
    
    for (int k=1; k<=Maxsamples; k++ ){
         fval1 += potpin1.read();
         fval2 += potpin2.read();
         fval3 += batpin.read();
         fval4 += Mains.read();
    }
    fval1/=Maxsamples;
    fval2/=Maxsamples;
    fval3/=Maxsamples;
    fval4/=Maxsamples;
        
    fval1 = fval1 *3.3;
    fval2 = fval2 *3.3;    
    fval3 = fval3 *3.3;
    fval4 = fval4 *3.3;
        
}       

void Autofirez1_test(void){
    avg();
    //if ((fval1>=sense) && (fval1<3.0)){
        if ((fval1>=0.11) && (fval1 < 3.0)){
        //lcd.locate(0,0);
        //lcd.printf("Fire Zn1 ");
        Z1FON();
        Z1RON();
        CFIREON();          
        if((SilFlag == 0)){
                    HooterTest(6);
                }
                                
        z1drv =0;
        wait(1);
        z1drv =1;
                
        //HooterTest(6);

    }
    else{  
        //lcd.locate(0,0);
        //lcd.printf("        ");
        //HooterOFF();
        //BuzzerOFF();
        //Z1FOFF();
        //CFIREOFF();
        Z1ROFF();
    }         
}
void IsolateZ1(void){
        Z1FOFF();
        Z1ROFF();
}   
void Autofirez1(void){
    avg();
    //if ((fval1>=sense) && (fval1<3.0)){
        if ((fval1>=0.11) && (fval1 < 3.0)){
        Z1RON();
        lcd.locate(0,0);
        lcd.printf("Fire Zn1 ");
        Z1FON();
                if((SilFlag == 0)){
                    //if(z2iflag != 1){
                    HooterON();
                    BuzzerON();
                    //}
                }   
        CFIREON();
    }
    else{  
        //lcd.locate(0,0);
        //lcd.printf("        ");
        //HooterOFF();
        //BuzzerOFF();
        //CFIREOFF();
        //Z1FOFF();
        Z1ROFF();
    }   
}

void Autofirez2(){
    avg();
    //if ((fval2>=sense) && (fval2<3.0)){
        if ((fval2>=0.11) && (fval2 < 3.0)){
        Z2RON();
        lcd.locate(0,1);
        lcd.printf("Fire Zn2 ");
                if((fval1>=0.003) && (fval1 < 0.09)  && (z1iflag != 1) && (z1tflag != 1)){
                    lcd.locate(0,0);
                    lcd.printf("         ");
                    
                }
        Z2FON();
        if((SilFlag == 0)){
                    //if(z1iflag != 1){
          HooterON();
          BuzzerON();
          //} 
        }   
        CFIREON();
    }
    else{
        //lcd.locate(0,1);
        //lcd.printf("         ");
        //HooterOFF();
        //BuzzerOFF();
        //CFIREOFF();
        //Z2FOFF();
        Z2ROFF();
    }
}

void Autofirez2_test(){
    avg();
    //if ((fval2>=sense) && (fval2<3.0)){
        if ((fval2>=0.11) && (fval2 < 3.0)){
        //lcd.locate(0,1);
        //lcd.printf("Fire Zn2 ");
                if((fval1>=0.003) && (fval1 < 0.09) && (z1iflag != 1) && (z1tflag != 1)){
                    lcd.locate(0,0);
                    lcd.printf("         ");
                    
                }
            
        Z2FON();
        CFIREON();
        Z2RON();                
        if((SilFlag == 0)){
                    HooterTest(6);                  
        } 
                
        z2drv =0;
        wait(1);
        z2drv =1;
                
            
        //HooterTest(6);

        //BuzzerON();
    }
    else{
        //lcd.locate(0,1);
        //lcd.printf("         ");
        //HooterOFF();
        //BuzzerOFF();
        //CFIREOFF();
        //Z2FOFF();
        Z2ROFF();
    }
}

void IsolateZ2(void){
    Z2FOFF();
    Z2ROFF();
}   
void firepanel(void){
    
        if ((z1iflag != 1) && (z2iflag != 1) && (z1tflag != 1) && (z2tflag != 1)){
        avg();  
    if (((fval1>=0.001) && (fval1<0.09)) && ((fval2>=0.001) && (fval2<0.09))){ 
        wait_ms(10); 
                avg();
        if (((fval1>=0.001) && (fval1<0.09)) && ((fval2>=0.001) && (fval2<0.09))){ 
        
            lcd.locate(0,0);
            lcd.printf("Normal   ");
            //lcd.locate(0,1);
            //lcd.printf("         ");
                    
                    
        }
    }
        
        //else if((fval1>=0.003) && (fval1<0.15) && (fval2<0.001)){
        //  lcd.locate(0,0);
     // lcd.printf("         ");
        
        //} 
    }
        
}

void Shortz1 (void) {
    avg();
    if (fval1>=3.20){
        lcd.locate(0,0);
        lcd.printf("Short Zn1");
        Z1FTON();
        //HooterON();
        //BuzzerON();
        FRON();
                
                if((SouFlag != 1)  && (fval2 >= 0.003) && (fval2 < 0.09)){
                        HooterOFF();
                        CFIREOFF();
                }   
                if((SilFlag == 0)){
                    BuzzerON();
                }   
    }
    else {
        //lcd.locate(9,0);
                //lcd.printf(" ");
            
        //Z1FTOFF();
        //FROFF();
    }
}

void Shortz2(void){
     avg();
     if(fval2 >= 3.20) {
        lcd.locate(0,1);
        lcd.printf("Short Zn2");
        Z2FTON();
                if((SouFlag != 1)  && (fval1 >= 0.003) && (fval1 < 0.09)){
                        HooterOFF();
                        CFIREOFF();
                }   
             
                if((SilFlag == 0)){
                    BuzzerON();
                }
        //HooterON();
        //BuzzerON();
        FRON();
                
    }
    else{
        //Z2FTOFF();
        //FROFF();
        //lcd.locate(9,1);
        //lcd.printf(" ");
            
    }
}  

void battery(void){
        avg();
     if (fval3<1.8){
         lcd.locate(10,0);
         lcd.printf("BatLow");
                    if((SilFlag == 0)){
                        BuzzerON();
                    }
                    FRON();
         //BuzzerON();
    }
    else {
        lcd.locate(10,0);
        lcd.printf("      "); 
        //BuzzerOFF();
        
    }
}


void opencircuitz1(void){
     avg();
     if (fval1<0.00009){
                    OCflag = 1;
         lcd.locate(0,0);
         lcd.printf("Open Zn1 ");
         Z1FTON();
         FRON();
                
             if((SilFlag == 0)){
                BuzzerON();
             }
                if((SouFlag != 1)  && (fval2 >= 0.003) && (fval2 < 0.09)){
                        HooterOFF();
                        CFIREOFF();
                }   
             
         //BuzzerON();
         //HooterON();
    }
    else
            if((fval1>0.003) && (fval1<0.09)){
                OCflag = 0;
         lcd.locate(0,0);
         //lcd.printf("         ");
            
         //BuzzerOFF();
         //HooterOFF();
         //Z1FTOFF();
         //FROFF();
    }    
}

void opencircuitz2(void){
     avg();    
     if (fval2<0.00009) {
         lcd.locate(0,1);
         lcd.printf("Open Zn2 ");
         Z2FTON();
         //BuzzerON();
         //HooterON();
         FRON();
                
             if((SilFlag == 0)){
                BuzzerON();
             }
                if((SouFlag != 1) && (fval1 >= 0.003) && (fval1 < 0.09)){
                        HooterOFF();
                        CFIREOFF();
                }   
             
    }
    else
            if((fval2>=0.003) && (fval2<0.09)){
                if(z2tflag !=1){
         lcd.locate(0,1);
         lcd.printf("         ");
                }       
                
         //BuzzerOFF();
         //HooterOFF();
         //Z2FTOFF();   
         //lcd.locate(9,1);
         //lcd.printf(" ");
            
    }
        if((fval2<0.00009) && (fval1>0.003) && (fval1<0.09))    {//C
            if((z1tflag != 1) && (z1iflag !=1)){
         lcd.locate(0,0);
         lcd.printf("         ");       
            }
        }   
}

void ACFail(void){
     avg();  
     if (fval4<2.4){
         //lcd.locate(0,0);
         //lcd.printf("AC FAIL");
       //  Z1FT();
         //BuzzerON();
         lcd.locate(10,1);
         lcd.printf("ACFAIL");
                    if((SilFlag == 0)){
                        BuzzerON();
                    }
                    FRON();
         //Z1FT();
         //BuzzerON();
    }
    else {
        lcd.locate(10,1);
        lcd.printf("      "); 
        //BuzzerOFF();
        
    }
}
    



void isolation(void){
    if (z1iflag == 1){
        Z1ION();         
    }
    else{
        Z1IOFF();
    }
    if (z2iflag == 1){
        Z2ION();
    }
    else{
        Z2IOFF();
    }
}

void TEST(void){
    if(z1tflag == 1){
        Z1TESTON();
    }        
    else{
        Z1TESTOFF();
    }        
    if(z2tflag == 1){
        Z2TESTON();
    }        
    else{
        Z2TESTOFF();
    }        



}    


void itkey1(void){
    if(itz1k == 0){       
       a++; 
             w++;
       if ((a >= 1) &&(a < 2)){
            z1iflag=1;
       }
       if(a > 2){
            z1iflag=0;
       }
       if(w>=10 && w<20){
            z1tflag=1;
       }
       if (w>=20){
            z1tflag=0;
       }
       if(a > 21) a = 0;
             if(w > 21) w = 0;
    }   
}
void itkey2(void){
    if(itz2k == 0){
        j++; 
                x++;
        if ((j >= 1) && (j < 2)){
            z2iflag=1;
        }
        if(j > 2){
            z2iflag=0;
        }
        if(x>=10 && x<20){
            z2tflag=1;
        }
        if (x>=20){
            z2tflag=0;
        }
        if(j >21) j = 0;
                if(x >21) x = 0;
    }        
}
/*
void Reset_in(void){
     if (Reset ==0){
         NVIC_SystemReset();
         }
}
*/    

void sound (void){
    if (sbutton == 0){
         SouFlag = 1;
    }         
    if(SouFlag == 1){
        SilFlag = 0;
        SOUNDON();
      
        avg();
        if((fval1>=0.00) || (fval2>=0.00)){
          HooterON();
          BuzzerON();
        }
        //else{
          //HooterOFF();
          //BuzzerOFF();
          //SOUNDOFF();   
       //}
     } 
    else SOUNDOFF();
        
         
}

void silence (void){
    if (silbutton==0){
         SilFlag = 1;
    }         
    if(SilFlag == 1){
            SouFlag = 0;
            HooterOFF();
            BuzzerOFF();
            SILENCEON();
        }
        else{
            SILENCEOFF();
        }    
    
}    

void HBOFF(void){
    avg();
    if((SouFlag != 1) && (fval1 >= 0.003) && (fval1 < 0.09) && (fval2 >= 0.003) && (fval2 < 0.09) && (fval3 >= 1.9) && (fval4 >= 2.5)){
        HooterOFF();
        BuzzerOFF();
        CFIREOFF();
    }
        avg();
    if((SouFlag != 1) && ((fval1 >= 3.2) || (fval1 < 0.00009)) && ((fval2 >= 3.2) || (fval2 < 0.00009))){//C
                HooterOFF();
        CFIREOFF();     
        }
}    

void FaultOFF(){
    avg();
    if((fval1 >= 0.003) && (fval1 < 3.00) && (fval2 >= 0.003) && (fval2 < 3.00) && (fval3 >= 1.9) && (fval4 >= 2.5)){
            wait_ms(10);
      if((fval1 >= 0.003) && (fval1 < 3.00) && (fval2 >= 0.003) && (fval2 < 3.00) && (fval3 >= 1.9) && (fval4 >= 2.5)){
                FROFF();
      }
    }
    if((fval1 >= 0.003) && (fval1 < 3.00)) {
            wait_ms(10);
      if((fval1 > 0.003) && (fval1 < 3.00)) {
                Z1FTOFF();
        //lcd.locate(9,0);
        //lcd.printf(" ");
                
      }
    }
    if((fval2 >= 0.003) && (fval2 < 3.00)) {
            wait_ms(10);
      if((fval2 >= 0.003) && (fval2 < 3.00)) {
                Z2FTOFF();
        //lcd.locate(9,1);
        //lcd.printf(" ");
                
      }
    }        
}    


void FireOFF(void){
    avg();
    if(fval1 < 0.17)Z1FOFF();
    if(fval2 < 0.17)Z2FOFF();
}    

void HBIOFF(void){

    if((z1iflag == 0) && (z2iflag == 1)){
                avg();
        if((fval1 >= 0.003) && (fval1 < 0.09)){
                    
                    if(SouFlag != 1){
            //HooterOFF();
            //BuzzerOFF();
            //CFIREOFF();
                    }
        }
    }
    if((z1iflag == 1) && (z2iflag == 0)){
                avg();
        if((fval2 >= 0.003) && (fval2 < 1.5)){
                    
                    if(SouFlag != 1){
            //HooterOFF();
            //BuzzerOFF();
            //CFIREOFF();
                    }
        }
    }

    if((z1iflag == 1) && (z2iflag == 1)){
            
            if(SouFlag != 1){
        HooterOFF();
        BuzzerOFF();
        CFIREOFF();
            }   
    }
    
        
/*      
    if((z1iflag != 0) || (z2iflag != 0)){
        //avg();
        //if((fval1 > 0.10) || (fval2 > 0.10)){
            if(((z1iflag == 1) || (z1iflag == 0))&& ((z2iflag == 1) || (z2iflag == 0))){
                HooterOFF();
                BuzzerOFF();
                CFIREOFF();
            }
        //}
    }   
*/  
}   

int main(){
    /*
    while(1){
        myled = !myled;
        wait_ms(100);
    }        

unsigned int i;

    while(1){
        Z1FOFF(); 

        lcd.locate(0,0);
            lcd.printf("%u",i); 
            wait_ms(100);
            i++;
    Z1FON(); 

    }
*/




    Z1FOFF(); 
  Z2FOFF(); 
  Z1FTOFF(); 
  Z2FTOFF(); 
  Z1IOFF(); 
  Z2IOFF(); 
  Z1TESTOFF(); 
  Z2TESTOFF(); 
  CFIREOFF();
  SOUNDOFF(); 
  SILENCEOFF();
  itz1k.mode(PullUp); 
  itz2k.mode(PullUp); 
  sbutton.mode(PullUp);  
  silbutton.mode(PullUp);
  z1iflag = 0;
  z2iflag = 0;
  z1tflag = 0;
  z2tflag = 0;
  z1drv = 1;
  z2drv = 1;
    HBTest = 0;
        OCflag = 0;
  //pc.printf("FIRE DETECTOR");
    
  Test.attach(&TestISR,1.0);
/*  
    while(1){
            avg();
            //pc.print("Z1: %4u  Z2:  %4u\n", val1, val2);
            lcd.locate(0,0);
            lcd.printf("%2.4f %2.4f",fval1, fval3);
            lcd.locate(0,1);
            lcd.printf("%2.5f %2.4f",fval2, fval4);
            wait(1);
        
    }
*/  
  // Reset();
  while(1){
        //myled=!myled;
    //pc.printf("z1: %d\n",z1fled.read());
    itkey1(); 
    itkey2();
    firepanel();
    //pc.printf("%4.2f %4.2f %4.2f \n",fval1,fval2,fval3);
    //wait(0.1);
    isolation();
    TEST();
    HBIOFF();
        if(z1tflag != 1){
            if (z1iflag==0){
                Autofirez1();
        //Manualfirez1();
        opencircuitz1();
        //Manualz1();
        Shortz1();
        HBOFF();
        FaultOFF();
        ACFail();
        battery();
        sound();
        silence();
        FireOFF();
      }
        }
        if(z1iflag == 1)
        {
            lcd.locate(0,0);
            lcd.printf("Isolate 1");    
            IsolateZ1();
            if((fval1 >= 0.003) && (fval1 < 3.00)) {
                wait_ms(10);
                if((fval1 >= 0.003) && (fval1 < 3.00)) {
                    Z1FTOFF();
                }
                        }            
                        ACFail();
                        battery();
                        sound();
                        silence();
                }
                
            
        if(z2tflag != 1){
            if (z2iflag==0){
                Autofirez2();
        // Manualfirez2();
        opencircuitz2();
        //Manualz2();
        Shortz2();
        ACFail();
        HBOFF();
        FaultOFF();
        battery();
        sound();
        silence();
        FireOFF();
      }
        }
        if(z2iflag == 1)
        {
            lcd.locate(0,1);
            lcd.printf("Isolate 2");
                        avg();
                        if((z1iflag == 0) && (z1tflag == 0) && ((fval1>=0.003) && (fval1<0.09))){
                            lcd.locate(0,0);
                            lcd.printf("         ");
                        
                        }
            IsolateZ2();
            if((fval2 >= 0.03) && (fval2 < 3.00)) {
                wait_ms(10);
                if((fval2 >= 0.003) && (fval2 < 3.00)) {
                    Z2FTOFF();
                }
            }        
                    ACFail();
                    battery();
                    sound();
                    silence();
                        
                    
        }   
    avg();
        //if((fval1 >= 0.003) && (fval1 < 0.15)){
    if(z1tflag==1){
            if((fval1 >= 0.003) && (fval1 < 0.09)){
      lcd.locate(0,0);
      lcd.printf("Test Zn1 ");    
            }
      Autofirez1_test();
      //Manualz1_test();
      opencircuitz1();
      battery();
      silence();
      sound();
      Shortz1();
      ACFail();
      //HBOFF();
      FaultOFF();
      FireOFF();
      itkey1();
      itkey2();
            HBOFF();
            
            
    //}
    }
/*
        if(z1iflag!=1){
        if(z1tflag!=1)
        {
            lcd.locate(0,0);
            lcd.printf("         ");
                    
        }
            }
*/  
        //if((fval2 >= 0.003) && (fval2 < 0.15)){
    if(z2tflag==1){
            if((fval2 >= 0.002) && (fval2 < 0.09)){
      lcd.locate(0,1);
      lcd.printf("Test Zn2 ");    
            }
            Autofirez2_test();
      //Manualz2_test();
      opencircuitz2();
      battery();
      silence();
      sound();
      Shortz2();
      ACFail();
      FaultOFF();                   
      FireOFF();
      itkey1();
      itkey2();
            HBOFF();
    }
    //}
            if(z2iflag!=1){
        if(z2tflag!=1)
        {
                    avg();
                    if((fval2>=0.003) && (fval2 < 0.09)){
                        lcd.locate(0,1);
                        lcd.printf("         ");
                    }
                    
        } 
            }
      if((z2tflag == 1) && (z1tflag != 1) && (z1iflag != 1) && (fval1 < 0.17)){
                if(OCflag == 0){
            lcd.locate(0,0);
            lcd.printf("         ");
                }
            
            }
    wait_ms(10);
  }    
}