Move bluetooth management in to own classes

src/BluetoothLEDCallback.cpp

@@ -0,0 +1,23 @@
+#include "LED.cpp"
+#include <BLEUtils.h>
+
+class BluetoothLEDCallback : public BLECharacteristicCallbacks {
+	LED *_led;
+	void onWrite(BLECharacteristic *characteristic) {
+		std::string value = characteristic->getValue();
+		if (value.length() > 0) {
+			Serial.println(value.c_str());
+			if (value == "on")
+				_led->on();
+			else
+				_led->off();
+		}
+	}
+
+	public:
+
+	BluetoothLEDCallback(LED* led){
+		_led = led;
+	}
+
+};