added fritzing files

source/libraries/bombatuino_ROTARY_ENCODER/bombatuino_ROTARY_ENCODER.cpp

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+
+#include "Arduino.h"
+#include "bombatuino_ROTARY_ENCODER.h"
+
+ROTARY_ENCODER::ROTARY_ENCODER(XcrementFunction incrementFunction, XcrementFunction decrementFunction) {
+	_increment = incrementFunction;
+	_decrement = decrementFunction;
+	_pinA = LOW;
+	_pinB = LOW;
+	_oldA = LOW;	
+}
+
+void ROTARY_ENCODER::setPinB(int value) {
+	_pinB = value;
+	onPinChange();
+}
+
+void ROTARY_ENCODER::setPinA(int value) {
+	_pinA = value;
+	onPinChange();
+}
+
+void ROTARY_ENCODER::onPinChange() {
+	if ((_oldA == LOW) && (_pinA == HIGH)) {
+		if (_pinB == LOW) {
+			(*_increment)();
+		}
+		else {
+			(*_decrement)();
+		}
+	}
+	_oldA = _pinA;
+}

source/libraries/bombatuino_ROTARY_ENCODER/bombatuino_ROTARY_ENCODER.h

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+/**
+ * @file bombatuino_ROTARY_ENCODER.h
+ * 
+ * @author Lukas Haubaum (lukas@haubaum.de)
+ * 
+ * @date February, 2013
+ * 
+ * @brief arduino library for handling a rotary encoder
+ * 
+ * library is for specialiced use: increment- and decrement-functions are called on change of pin A. 
+ * 	
+ * */
+#ifndef bombatuino_ROTARY_ENCODER_h
+#define bombatuino_ROTARY_ENCODER_h
+
+#if !defined(XcrementFunction)
+/**
+ * callback function
+ * 
+ * @param address
+ * @param pin
+ * @param value
+ */
+typedef void (*XcrementFunction)(void);
+#endif
+
+class ROTARY_ENCODER
+{
+	public:		
+		/**
+		 * constructor
+		 * 
+		 * @param increment function
+		 * @param decrement function
+		 */
+		ROTARY_ENCODER(XcrementFunction incrementFunction, XcrementFunction decrementFunction);		
+		/**
+		 * set the value of pin B
+		 * 
+		 * @param value of B-pin
+		 */
+		void setPinB(int value);
+		/**
+		 * set the value of pin A
+		 * 
+		 * @param value of A-pin
+		 */
+		void setPinA(int value);
+	private:
+		int _pinA;
+		int _pinB;
+		int _oldA;
+		XcrementFunction _increment; /**< increment function */ 
+		XcrementFunction _decrement; /**< decrement function */ 
+		void onPinChange();
+};
+
+#endif