Processing talks to Arduino

processing2ardu

//http://everybody.is-a-cyb.org/project/21
//PROCESSING WRITES TO ARDUINO

import processing.serial.*;

// The serial port:
Serial myPort;

int value = 0;

void setup ()
{
  println(Serial.list());
  myPort = new Serial(this, Serial.list()[4], 9600);
  frameRate(5);
  
 }

void draw ()
{
  fill(value);
  rect(25, 25, 50, 50);
 
 }

//check ASCCI VALS
//http://www.jimprice.com/ascii-0-127.gif
//http://www.jimprice.com/ascii-128-255.gif

void keyPressed() {
  if (value == 0) {
    value = 255;
    //Send a capital A out the serial port
    myPort.write(65);
  } else {
    value = 0;
    //Send a capital A out the serial port
    myPort.write(97);
  }
}

//ARDUINO CODE
/*

int ledPin = 4; // LED connected to digital pin 13
int val = 0;
void setup()
{
  pinMode(ledPin, OUTPUT); // sets the digital pin as output
  Serial.begin(9600);
}

void loop()
{
  val = Serial.read();

  if (val == 'A') {
    digitalWrite(ledPin, HIGH); // sets the LED on
  }

  if (val == 'a') {
    digitalWrite(ledPin, LOW); // sets the LED on
  }
}


*/