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#ifndef ENCODER_H_
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#define ENCODER_H_
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// Art des Drehencoders definieren
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// #define SingleStep
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// #define TwoStep
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#define TwoStep
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#define ENC_A_PORT PORTB /**< port for line A */
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#define ENC_A_PIN PB1 /**< pin for line A */
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#define ENC_B_PORT PORTB /**< port for line B */
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#define ENC_B_PIN PB0 /**< pin for line B */
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#define ENC_T_PORT PORTB /**< port for button */
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#define ENC_T_PIN PB2 /**< pin for button */
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#define DDR(x) (*(&x-1))
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#define Port(x) (*(&x))
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#define PIN(x) (*(&x-2))
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#define PHASE_A PIN(ENC_A_PORT) & (1<<ENC_A_PIN)
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#define PHASE_B PIN(ENC_B_PORT) & (1<<ENC_B_PIN)
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#define BUTTONPRESSED (!(PIN(ENC_T_PORT) & (1<<ENC_T_PIN)))
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#define BUTTON_DEBOUNCETIME_MS 30
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#define BUTTON_PRESSEDLONG_MS 250
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typedef enum EButtonPressedState
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{
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ButtonPressed_Unpressed,
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ButtonPressed_Short,
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ButtonPressed_Long
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}tEButtonPressedState;
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// Initialisiert den Encoder und aktiviert den Interrupt + Timer
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void EncoderInit( void );
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// Liest die Position des Encoders aus
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// Wenn Ueberlauf=1 dann z<>hlt der Encoder nach Max
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// wieder von Min und umgekehrt
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int8_t EncoderRead(char Ueberlauf);
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// Ruft den Status des Encoder-Knopfes
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tEButtonPressedState EncoderGetButtonState(void);
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// Setzt die aktuelle Drehencoderposition
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void EncoderWrite(int8_t EncoderPos);
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// Setzt Min- und Max-Werte f<>r die Drehgeberposition
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void EncoderMinMax(int8_t EncoderMin,int8_t EncoderMax);
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void EncoderPolling(void);
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#endif /* ENCODER_H_ */
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