Adding debounce example; adding Max/MSP code to the communication examples.

build/shared/dist/examples/Digital/Debounce/Debounce.pde

@@ -0,0 +1,52 @@
+/* Debounce
+ * 
+ * Each time the input pin goes from LOW to HIGH (e.g. because of a push-button
+ * press), the output pin is toggled from LOW to HIGH or HIGH to LOW.  There's
+ * a minimum delay between toggles to debounce the circuit (i.e. to ignore
+ * noise).  
+ *
+ * David A. Mellis
+ * 21 November 2006
+ *
+ * http://www.arduino.cc/en/Tutorial/Debounce
+ */
+
+int inPin = 7;         // the number of the input pin
+int outPin = 13;       // the number of the output pin
+
+int state = HIGH;      // the current state of the output pin
+int reading;           // the current reading from the input pin
+int previous = LOW;    // the previous reading from the input pin
+
+// the follow variables are long's because the time, measured in miliseconds,
+// will quickly become a bigger number than can be stored in an int.
+long time = 0;         // the last time the output pin was toggled
+long debounce = 200;   // the debounce time, increase if the output flickers
+
+void setup()
+{
+  pinMode(inPin, INPUT);
+  pinMode(outPin, OUTPUT);
+}
+
+void loop()
+{
+  reading = digitalRead(inPin);
+
+  // if we just pressed the button (i.e. the input went from LOW to HIGH),
+  // and we've waited long enough since the last press to ignore any noise...  
+  if (reading == HIGH && previous == LOW && millis() - time > debounce) {
+    // ... invert the output
+    if (state == HIGH)
+      state = LOW;
+    else
+      state = HIGH;
+
+    // ... and remember when the last button press was
+    time = millis();    
+  }
+
+  digitalWrite(outPin, state);
+
+  previous = reading;
+}