import processing.serial.*; //Import the Serial i/o and the Wiring Libraries
import Wiring.*;
Wiring wiring; //Create a Wiring object

int outpin = 29;
int val = 0;

void setup() {
  println(Wiring.list()); //print the serial devices list
  //inicialized the wiring object
  wiring = new Wiring ( this, Wiring.list()[1], 57600); 
}

void draw() {
  Wiring.analogWrite(outpin, val); // sets the value of PWM pin 29
  val = (val + 10) % 1023; // increment value and keep it in  
  // the 0-1023 range.
  println(val);
}