//

// Copyright (C) 2014-2015 Stéphane Lenclud.

//

// This file is part of MiniDisplay.

//

// MiniDisplay is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// MiniDisplay is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with MiniDisplay.  If not, see <http://www.gnu.org/licenses/>.

//

#ifndef HID_DEVICE_H

#define HID_DEVICE_H

#include "HidReport.h"

#include "hidapi.h"

const int KMaxHidStringChar=256;

/**

TODO: move to another header

*/

class HidDevice

    {

public:

    HidDevice();

	virtual ~HidDevice();

	//

    int Open(const char* aPath);

    int Open(unsigned short aVendorId, unsigned short aProductId, const wchar_t* aSerialNumber);

    void Close();

    bool IsOpen();

    //

    int SetNonBlocking(int aNonBlocking);

    //Read

    template<int S>

    int Read(HidReport<S>& aInputReport);

    //Write

    template<int S>

    int Write(const HidReport<S>& aOutputReport);

    //

    const wchar_t* Error();

    //

    wchar_t* Vendor();

    wchar_t* Product();

    wchar_t* SerialNumber();

private:

    void FetchStrings();

private:

    ///Our USB HID device

    hid_device* iHidDevice;

    //

    wchar_t iVendor[KMaxHidStringChar];

    wchar_t iProduct[KMaxHidStringChar];

    wchar_t iSerialNumber[KMaxHidStringChar];

    };

/**

*/

template<int S>

int HidDevice::Write(const HidReport<S>& aOutputReport)

    {

    return hid_write(iHidDevice,aOutputReport.Buffer(),S);

    }

/**

*/

template<int S>

int HidDevice::Read(HidReport<S>& aInputReport)

    {

    return hid_read(iHidDevice,aInputReport.Buffer(),S);

    }

#endif