void tombol(void)

{

if(bit_is_clear(PIND, PIND5) && start == 0) 

{

//start timer sekaligus simpan eeprom

eeprom_write_byte(&detikee,detik);

eeprom_write_byte(&menitee,menit);

start=1;

timer1(); 

_delay_ms(150);

}



if(bit_is_clear(PIND, PIND5) && start == 2) 

{

//ini bagian menyimpan sususan potong kabel

eeprom_write_byte(&fusee,fusemem);

detik=eeprom_read_byte(&detikee);

menit=eeprom_read_byte(&menitee);



start=0;



_delay_ms(150);

}

//pemencetan 2 tombol untuk ke menu setting urutan defuse

else if(bit_is_clear(PIND, PIND6) && bit_is_clear(PIND, PIND7) && start == 0)

{

start=2;



_delay_ms(150);

}



else if(bit_is_clear(PIND, PIND6) && start == 0)

{

//tambah menit

menit++;

if(menit == 100) menit=0 ;



_delay_ms(150);

}



else if(bit_is_clear(PIND, PIND7) && start == 0) 

{ //tambah detik

detik++;

if(detik == 60) detik=0 ;



_delay_ms(150);

}







else if(bit_is_clear(PIND, PIND6) && start == 2)

{

//ke urutan defuse sebelumnya

if (fusemem == 1) fusemem = 2;

fusemem--;



_delay_ms(150);

}



else if(bit_is_clear(PIND, PIND7) && start == 2) 

{

//ke urutan defuse selanjutnya

fusemem++;



if (fusemem > 24) fusemem = 24;



_delay_ms(150);



}



}

//jika salah urutan potong

void salah(void)

{ sequence=4;

 detik =5; 

 menit =0;

 gagal =1;

 timer0();

 OCR0=50;

}



void defuse(void)



{ 



//pembacaan code di array fusecode[]

uint8_t sol1,sol2,sol3,sol4; 

//perumusan urutan berdasarkan variabel fusemem

sol1=fusecode[fusemem * 4];

sol2=fusecode[(fusemem * 4) +1];

sol3=fusecode[(fusemem * 4) +2];

sol4=fusecode[(fusemem * 4) +3];



//(fusemem disimpan di eeprom agar tidak terhapus)



//pembacaan PIN sesuai urutan code defuse

if(sequence == 0)

{

 if( bit_is_set(PINB, sol1)) sequence =1;

 if( bit_is_set(PINB, sol2) || bit_is_set(PINB, sol3) || bit_is_set(PINB, sol4) ) salah();



}



else if (sequence == 1)

{

 if( bit_is_set(PINB, sol2)) sequence =2;

 if( bit_is_set(PINB, sol3) || bit_is_set(PINB, sol4) ) salah();

}



else if (sequence == 2)

{

 if( bit_is_set(PINB, sol3)) sequence =3;

 if( bit_is_set(PINB, sol4)) salah();

} 



//jika urutan terakhir benar maka akan menghentikan timer

//jika tidak maka akan mentriger dunction salah

else if (sequence == 3 && bit_is_set(PINB, sol4))

{

 TCCR1B = 0;

 TCCR0 = 0;

 defused=1;

}

 



}

int main(void)



{



 //deklarasi PIN input/output 



 DDRA |= _BV(PA0) | _BV(PA1) | _BV(PA2) | _BV(PA3) ; //scan 7 seg

 DDRD &= ~_BV(PD5) & ~_BV(PD6) & ~_BV(PD7) ; // input tombol

 DDRB &= ~_BV(PB0) & ~_BV(PB1) & ~_BV(PB2) & ~_BV(PB3) ; // defuser

 DDRD |= _BV(PD4); //buzzer dan LED

 DDRC |= _BV(PC0) | _BV(PC1) | _BV(PC2) | _BV(PC3) | _BV(PC4) | _BV(PC5) | _BV(PC6) | _BV(PC7) ; // segmen

 

 //inisialisasi variabel awal 

start=0; 

gagal=0;

kritis=0;

defused=0;

sequence=0;

dor=0;



//baca eeprom

detik=eeprom_read_byte(&detikee);

menit=eeprom_read_byte(&menitee);

fusemem=eeprom_read_byte(&fusee);



//trigger transistor switch sirene (bisa diabaikan jika tidak memakai sirene)

PORTD &= ~_BV(PD4); 



sei();

 while(1)



 {

 

 tombol();

 

 if(start == 1) defuse();



 

 if (dor == 1) boom();

 else

 {

 if(defused == 0) tulis();

 else sukses();

 

 }



 }





return 0;



}