const int redPin = 11;
const int greenPin = 9;
const int bluePin = 10;
const int potPin = A1;
const int buttonPin = 7;

int programMode = 0;

int presetColorState = 0;
unsigned long previousMillis = 0;
const long interval = 1000;

void setup() {
  Serial.begin(9600);

  pinMode(buttonPin, INPUT);

  // Start off with the LED off.
  setColourRgb(0,0,0);
}

void loop() {

  changeMode();
}

void setColourRgb(int red, int green, int blue) {
  analogWrite(redPin, red);
  analogWrite(greenPin, green);
  analogWrite(bluePin, blue);
 }

int readPotmeter(){
  return map(analogRead(potPin), 0, 1023, 0 ,255);
}

void demoMode(){

}

void changeMode(){
  int buttonState = digitalRead(buttonPin);
  if(buttonState == HIGH){
    delay(200);
    if(programMode == 0){
      programMode = 1;
    }else{
      programMode = 0;
    }
  }

  switch(programMode){
    case 0:
      demoMode = true;
      blabl = false;
      break;
    case 1:
      //setColourRgb(0,255,0);
      break;
    default:
      Serial.println("Switch error.");
      break;
  }
}