// Example by Tom Igoe 
 
import processing.serial.*; 
 
Serial myPort;    // The serial port 
PFont myFont;     // The display font 
String inString;  // Input string from serial port 
int lf = 10;      // ASCII linefeed 
 
void setup() { 
  size(400,200); 
  // Make your own font. It's fun! 
  myFont = loadFont("ArialMS-18.vlw"); 
  textFont(myFont, 18); 
  // List all the available serial ports: 
  println(Serial.list()); 
 
  // I know that the first port in the serial list on my mac 
  // is always my  Keyspan adaptor, so I open Serial.list()[0]. 
  // Open whatever port is the one you're using. 
  myPort = new Serial(this, Serial.list()[0], 9600); 
  myPort.buffer(3); 
 
} 
 
void draw() { 
  // Twiddle your thumbs 
  background(0); 
  text("Received: " + inString, 10, 50); 
 
} 
 
void serialEvent(Serial myPort) { 
  inString = myPort.readString(); 
}