/*
  Arduino Test

  Control a LED by mouse, the background color by a switch.

  The circuit:
  * inputs
    - D12: a tactile switch with a pulldown resistor (e.g. 10k ohm)
  * outputs
    - D13: a LED with a current-limiting resistor (e.g. 330 ohm)

  Created 10 May 2009
  By Shigeru Kobayashi

  Modified 13 May 2009
  By Shigeru Kobayashi

  http://funnel.cc/
  http://arduino.cc/
  http://firmata.org/

*/

import processing.funnel.*;

Arduino arduino;
int switchPin = 12;
int ledPin = 13;

color backgroundColor = color(50, 50, 50);

void setup() {
  size(200, 200);
  textFont(createFont("CourierNewPSMT", 12));

  Configuration config = Arduino.FIRMATA;
  config.setDigitalPinMode(switchPin, Arduino.IN);
  config.setDigitalPinMode(ledPin, Arduino.OUT);

  arduino = new Arduino(this, config);
  arduino.digitalPin(switchPin).addFilter(new SetPoint(0.5, 0.1));
}

void draw() {
  background(backgroundColor);
  for (int i = 0; i < 6; i++) {
    text("A" + i + ": " + arduino.analogPin(i).value, 10, 20 + 20 * i);  
  }
}

void mousePressed() {
  arduino.digitalPin(ledPin).value = 1.0;
}

void mouseReleased() {
  arduino.digitalPin(ledPin).value = 0.0;
}

// on change from 0 to 1 (or non-zero)
void risingEdge(PinEvent e) {
  if (e.target.number == switchPin) {
    // the switch is pressed
    backgroundColor = color(255, 50, 50);
  }
}

// on change from 1 (or non-zero) to 0
void fallingEdge(PinEvent e) {
  if (e.target.number == switchPin) {
    // the switch is released
    backgroundColor = color(50, 50, 50);
  }
}