import processing.serial.*;
import cc.arduino.*;

//initialisation
int buttonPin = 2;
int pwmPin5 = 5;
int ledPinOrange = 13;
int potMeterPin = 0;

// Declaration
int buttonValue = 0;
int ledOrangeValue = 0;
int pwmPin5Value = 0;
int potMeterValue = 0;
color circleColor = color(255, 0, 0);

Arduino arduino;

void arduinoSetup() {
  //size(800, 800);

  // Prints out the available serial ports.
  println(Arduino.list());

  /*
   Modify the "arduino = new Arduino(this,"?????", 57600) line below,
   to the number corresponding to the serial port of your Arduino board.
   For windows:  "COM?" and for MAC "/dev/tty.usbmodem???".
   */
  arduino = new Arduino(this, "COM6", 57600);

  // Set the Arduino digital pins as inputs.
  arduino.pinMode(buttonPin, Arduino.INPUT);

  // Set the Arduino digital pins as on/off outputs.
  arduino.pinMode(ledPinOrange, Arduino.OUTPUT);

  // PWM outputs not necesarry toe declare
}

void readInputs() {

  buttonValue = arduino.digitalRead(buttonPin);
 // println("============================== ");
//  println("buttonValue = " + buttonValue);
}

void calculations() {

  if (buttonValue == 1) {
    circleColor = color(0, 255, 0);
  } else {
    circleColor = color(255, 0, 0);
  }

  ledOrangeValue = buttonValue;
  pwmPin5Value = potMeterValue/4;
}

void writeOutputs() {
  //Output On/Off
  //println("ledOrangeValue = " + ledOrangeValue);
  arduino.digitalWrite(ledPinOrange, ledOrangeValue);

  // PWM
  // Output analog values (PWM waves) to digital pins 5,6 and 9.
  // Note that only certain Arduino pins support analog output (PWM).
 // println("pwmPin5Value = " + pwmPin5Value);
  arduino.analogWrite(pwmPin5, pwmPin5Value);
}

void drawDisplay() {
  //fill(circleColor);
 // ellipse(width/2, height/2, potMeterValue, potMeterValue);
}