Calibrate works?

lib/serial/examples/SimpleRead/SimpleRead.pde

@@ -0,0 +1,64 @@
+/**
+ * Simple Read
+ * 
+ * Read data from the serial port and change the color of a rectangle
+ * when a switch connected to a Wiring or Arduino board is pressed and released.
+ * This example works with the Wiring / Arduino program that follows below.
+ */
+
+
+import processing.serial.*;
+
+Serial myPort;  // Create object from Serial class
+int val;      // Data received from the serial port
+
+void setup() 
+{
+  size(200, 200);
+  // I know that the first port in the serial list on my mac
+  // is always my  FTDI adaptor, so I open Serial.list()[0].
+  // On Windows machines, this generally opens COM1.
+  // Open whatever port is the one you're using.
+  String portName = Serial.list()[0];
+  myPort = new Serial(this, portName, 9600);
+}
+
+void draw()
+{
+  if ( myPort.available() > 0) {  // If data is available,
+    val = myPort.read();         // read it and store it in val
+  }
+  background(255);             // Set background to white
+  if (val == 0) {              // If the serial value is 0,
+    fill(0);                   // set fill to black
+  } 
+  else {                       // If the serial value is not 0,
+    fill(204);                 // set fill to light gray
+  }
+  rect(50, 50, 100, 100);
+}
+
+
+
+/*
+
+// Wiring / Arduino Code
+// Code for sensing a switch status and writing the value to the serial port.
+
+int switchPin = 4;                       // Switch connected to pin 4
+
+void setup() {
+  pinMode(switchPin, INPUT);             // Set pin 0 as an input
+  Serial.begin(9600);                    // Start serial communication at 9600 bps
+}
+
+void loop() {
+  if (digitalRead(switchPin) == HIGH) {  // If switch is ON,
+    Serial.write(1);               // send 1 to Processing
+  } else {                               // If the switch is not ON,
+    Serial.write(0);               // send 0 to Processing
+  }
+  delay(100);                            // Wait 100 milliseconds
+}
+
+*/