ChipPinSelectManager.hpp

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/*
 * This file is part of the DUDS project. It is subject to the BSD-style
 * license terms in the LICENSE file found in the top-level directory of this
 * distribution and at https://github.com/jjackowski/duds/blob/master/LICENSE.
 * No part of DUDS, including this file, may be copied, modified, propagated,
 * or distributed except according to the terms contained in the LICENSE file.
 *
 * Copyright (C) 2017  Jeff Jackowski
 */
#include <duds/hardware/interface/ChipSelectManager.hpp>
#include <duds/hardware/interface/DigitalPinAccess.hpp>

namespace duds { namespace hardware { namespace interface {

class ChipPinSelectManager : public ChipSelectManager {
    std::unique_ptr<DigitalPinAccess> selpin;
public:
    enum SelectState {
        SelectLow,
        SelectHigh
    };
protected:
    virtual void select();
    virtual void deselect();
    SelectState  selstate;
public:
    ChipPinSelectManager() : selstate(SelectLow) { };
    ~ChipPinSelectManager();
    ChipPinSelectManager(
        std::unique_ptr<DigitalPinAccess> &&dpa,
        SelectState selectState = SelectLow
    );
    virtual bool validChip(int chipId) const noexcept;
    void setSelectPin(
        std::unique_ptr<DigitalPinAccess> &&dpa,
        SelectState selectState = SelectLow
    );
};

} } }