/*
 Controlling a servo position using a potentiometer (variable resistor)
 by Michal Rinott <http://people.interaction-ivrea.it/m.rinott>

 modified on 8 Nov 2013
 by Scott Fitzgerald
 http://www.arduino.cc/en/Tutorial/Knob
*/

#include <Servo.h>

Servo myservo;  // create servo object to control a servo

const int potpin = A0;  // analog pin used to connect the potentiometer
int val;    // variable to read the value from the analog pin
const int buttonPin = 2;
int buttonState = 0;
const int ledPin = 13;
int statusAufnahme = 0; // speichert ob die Aufnahme läuft
char saveVal =  []; // Array um die Servo-Werte zu speichern während der Aufnahme


void setup() {
  Serial.begin(9600);
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
  pinMode(buttonPin, INPUT);
  pinMode(ledPin, OUTPUT);

}

void loop() {
  buttonState = digitalRead(buttonPin);
  Serial.println(buttonState);
  val = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023)
  val = map(val, 0, 1023, 0, 180);     // scale it for use with the servo (value between 0 and 180)
  myservo.write(val);                  // sets the servo position according to the scaled value
  delay(150);                           // waits for the servo to get there

  if (buttonState == HIGH) {
    if (statusAufnahme == LOW){
      Serial.println("Aufnahme startet");
      digitalWrite(ledPin, HIGH);
      statusAufnahme = HIGH;
      delay(200);
    }else {
    if(statusAufnahme == HIGH){
      Serial.println("Aufnahme wird beendet");
      digitalWrite(ledPin, LOW);
      statusAufnahme = LOW;
      delay(200);
    }
  } 

  }


}