#define STARTBUTTON  2
#define DIRECTIONBUTTON 3
#define REDLED 4
#define GREENLED 5
#define DIAL    A0

int calculatedDelay = 100;

void setup() {
  // put your setup code here, to run once:
  pinMode(STARTBUTTON, INPUT);
  pinMode(DIRECTIONBUTTON, INPUT);
  pinMode(REDLED, OUTPUT);
  pinMode(GREENLED, OUTPUT);
  pinMode(DIAL, INPUT);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  int buttonVal = digitalRead(BUTTON);
  int dialVal = analogRead(DIAL) / 17; // convert the number to a minute value from zero to 60


  delay(calculatedDelay);
}

void start(){
  // calculate the delay required for the loop and set

  // turn led green

  // move to starting position
  moveToStartPosition();

  // set the display
  setDisplay();
}

void stop(){
  // turn led red
}

void moveToStartPositon(){
  // work out the starting position based on diection

  // move the slider to the position

}

void setDisplay(){
  // clear the screen

  // update remaining time

  // update position

  // update elapsed time

  // display an arrow showing direction of travel
  showDirectionOfTravelArrow();

}

void moveSlider(){

}

void showDirectionOfTravelArrow(){

}