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