Knowledge Base Nr: 00328 arduino1.cpp - http://www.swe-kaiser.de

c/cpp: mein erstes programm für ARDUINO

  
int ledPin = 13;
int tonPin = 11;
int irqPin = 2;
int potiPin = 0;

int i = 0;
volatile int soundOn = LOW;

void setup()
{
  pinMode(ledPin, OUTPUT);
  attachInterrupt(0, interrupt, LOW);  //irq0 = pin2
  Serial.begin(19200);
}

void loop()
{
  i = analogRead(potiPin);

  if (soundOn == HIGH)
    tone(tonPin, i);
  else
    noTone(tonPin);

  Serial.print("Wert: ");
  Serial.println(i);

  digitalWrite(ledPin, HIGH);
  delay(i);
  digitalWrite(ledPin, LOW);
  delay(i);
}

void interrupt()
{
  soundOn = !soundOn;

  if (soundOn == HIGH)
    tone(tonPin, i);
  else
    noTone(tonPin);

  Serial.println("Interrupt!");

  while (digitalRead(irqPin) == LOW)   //entprellen
    /* wait */    ;
}