Added arduino libs

libraries/EnableInterrupt/examples/SimpleWithLibrary/SimpleWithLibrary.ino

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+// SimpleWithLibrary example sketch for the EnableInterrupt library. Demonstrates how to use
+// the EnableInterrupt library with a sketch that services an interrupt pin, and uses a library
+// that also requires the EnableInterrupt library.
+
+// This sketch has only been compiled to the Arduino Uno (ATmega328).
+// This sketch is only known to compile. It has not been tested functionally.
+
+// See https://github.com/GreyGnome/EnableInterrupt and the README.md for more information.
+#define EI_ARDUINO_INTERRUPTED_PIN
+#include <EnableInterrupt.h>
+#define USELESSPIN 10
+#include "Useless.h"
+
+#define ARDUINOPIN 9
+
+volatile uint16_t interruptCount=0;
+
+void interruptFunction() {
+  interruptCount++;
+}
+
+// UselessClass uses the EnableInterrupt library.
+UselessClass uselessObject=UselessClass(USELESSPIN, CHANGE);
+
+void setup() {
+  Serial.begin(115200);
+  pinMode(ARDUINOPIN, INPUT_PULLUP);  // See http://arduino.cc/en/Tutorial/DigitalPins
+  enableInterrupt(ARDUINOPIN, interruptFunction, CHANGE);
+}
+
+void loop() {
+  Serial.println("---------------------------------------");
+  delay(1000);
+  Serial.print("Pin was interrupted: ");
+  Serial.print(interruptCount, DEC);
+  Serial.println(" times so far.");
+  Serial.print("Useless interrupt count: ");
+  Serial.print(uselessObject.getUselessVariable(), DEC);
+}