RotaryEncoder.h

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#pragma once

#include "Libraries/Treehopper.Libraries.h"
#include "Event.h"
#include "DigitalIn.h"

namespace Treehopper {
    namespace Libraries {
        namespace Input {
            using namespace std;
            using namespace Treehopper;

            class RotaryEncoder;

            struct PositionChangedEventArgs {
            public:
                long newPosition;
            };

            class LIBRARIES_API RotaryEncoder {
            public:
                RotaryEncoder(DigitalIn &channelA, DigitalIn &channelB, int stepsPerTick = 4);

                ~RotaryEncoder();

                Event<RotaryEncoder, PositionChangedEventArgs> positionChanged;

                long position();

                void position(long value);

            protected:
                DigitalIn &a;
                DigitalIn &b;
                long _position;
                long oldPosition;
                int stepsPerTick;

                void updatePosition();
            };
        }
    }
}