klopvoordeur

String versie = "klopvoordeur.ino";

int leddag = 13; //
int tel =0;


void pciSetup(byte pin)
{
  *digitalPinToPCMSK(pin) |= bit (digitalPinToPCMSKbit(pin));  // enable pin
  PCIFR  |= bit (digitalPinToPCICRbit(pin)); // clear any outstanding interrupt
  PCICR  |= bit (digitalPinToPCICRbit(pin)); // enable interrupt for the group
}

// Use one Routine to handle each group



ISR (PCINT1_vect) // handle pin change interrupt for A0 to A5 here
{

tel++;
  if (digitalRead(A0) == 1) {
       Serial.println( "a0 =1"  +  String(tel ) );

    digitalWrite(leddag, HIGH);

  }

  if (digitalRead(A0) == 0) {
      Serial.println( "a0 =0"  +  String(tel ) );

    digitalWrite(leddag, LOW);

  }

}

ISR(TIMER1_COMPA_vect) { //timer1 interrupt 1Hz toggles pin 13 (LED)
  //generates pulse wave of frequency 1Hz/2 = 0.5kHz (takes two cycles for full wave- toggle high then toggle low)

}/////einde timerinterupt timer1

void setup() {
  int i;

  Serial.begin(115200);
  delay(1000);
  Serial.println (versie);

  for (i = A0; i <= A5; i++)
    digitalWrite(i, HIGH);
  pinMode(13, OUTPUT); //

  // enable interrupt for pin...
  // pciSetup(7);
  // pciSetup(8);
  // pciSetup(9);
  pciSetup(A0);


  cli();//stop interrupts


  //set timer1 interrupt at 1Hz
  TCCR1A = 0;// set entire TCCR1A register to 0
  TCCR1B = 0;// same for TCCR1B
  TCNT1  = 0;//initialize counter value to 0
  // set compare match register for 1hz increments
  OCR1A = 15624;// = (16*10^6) / (1*1024) - 1 (must be <65536)
  // OCR1A = 500;//debug vith
  // turn on CTC mode
  TCCR1B |= (1 << WGM12);
  // Set CS12 and CS10 bits for 1024 prescaler
  TCCR1B |= (1 << CS12) | (1 << CS10);
  // enable timer compare interrupt
  TIMSK1 |= (1 << OCIE1A);

  sei();//allow interrupts

}

///////////////////////MAINLOOP//////////////////////
void loop() {


}//EINDE MAINLOOP////////////////////////