Twin servo control (processing)

/**
 * Servocontrol (derived from processing Mouse 1D example.)
 *
 * Updated 24 November 2007
 */


// Use the included processing code serial library
import processing.serial.*;


int spos=90;
int spos2=90;

Serial port;                         // The serial port



void setup()
{
  size(720, 720);
  colorMode(RGB, 1.0);
  noStroke();
  rectMode(CENTER);
  frameRate(100);

  println(Serial.list()); // List COM-ports

  //select second com-port from the list
  port = new Serial(this, Serial.list()[0], 57600);
  println("Connected to:"+port);
}

void draw()
{
  background(0.0);
  update(mouseX, mouseY);

}

void update(int x, int y)
{
  //Calculate servo postion from mouse x and y axis
  spos= x/4;
  spos2= y/4;

  //Output the servo position ( from 0 to 180)
  port.write(spos+"s"); //x axis
  port.write(spos2+"w"); //y axis

}