Eitan Rabinovitch hagever

#define readPin 2
void setup(void) {
   pinMode(13, OUTPUT); // 13 has a built-in LED
   pinMode(2, INPUT);
   Serial.begin(9600);
}
int trueCode = 0;
void loop() {
   if(digitalRead(readPin) == 0) {
      start();
   }
   if(trueCode == 1) {
      digitalWrite(13, HIGH);
   }
}
void start() {
  delay(300);
  if(checkFor(300) == true) {
    trueCode = 1;
  }
}
boolean checkFor(int delayTime) {
  unsigned long int lastMil = millis();
  boolean ret = false;
   while(true) {
      if(digitalRead(readPin) == 0) {
         ret = true;
      }
      if(millis() - lastMil >= delayTime) {
         return ret;
      }
   }
}