A:/eclipse/mhvlib/MHV_StepperMotorUnipolar.h

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/*
 * Copyright (c) 2011, Make, Hack, Void Inc
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *  * Neither the name of the Make, Hack, Void nor the
 *    names of its contributors may be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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#ifndef MHV_STEPPERMOTORUNIPOLAR_H_
#define MHV_STEPPERMOTORUNIPOLAR_H_

#include <MHV_StepperMotor.h>

enum MHV_StepperMode {
        MHV_STEPPER_MODE_WAVE,
        MHV_STEPPER_MODE_FULL,
        MHV_STEPPER_MODE_HALF
};
typedef enum MHV_StepperMode MHV_STEPPER_MODE;

class MHV_StepperMotorUnipolar: public MHV_StepperMotor {
private:
        volatile uint8_t        *_phaseAOut;
        uint8_t                         _phaseAPin;
        uint8_t                         _phaseMask;

        MHV_STEPPER_MODE        _mode;
        int8_t                          _state;
        uint8_t                         _steps;

        void setOutput();

public:
        MHV_StepperMotorUnipolar(MHV_RTC &rtc, MHV_STEPPER_MODE mode, MHV_DECLARE_PIN(phaseA));
        virtual void step(bool forwards);
};

#endif /* MHV_STEPPERMOTORUNIPOLAR_H_ */