lms/heci/heci.h

/*******************************************************************************
 * Copyright (C) 2004-2008 Intel Corp. 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 Intel Corp. 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 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL Intel Corp. OR THE CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *******************************************************************************/

#ifndef __HECI_H__
#define __HECI_H__

#include <cstring>

#ifdef __sun
#include <string.h>
#endif  // __sun

#ifndef GUID_DEFINED
#define GUID_DEFINED

typedef struct guid {
    unsigned int   data1;
    unsigned short data2;
    unsigned short data3;
    unsigned char  data4[8];
} GUID;

#endif

#include "HECI_if.h"

class HECI
{
public:
    HECI(const GUID guid, bool verbose = true) :
        _initialized(false),
        _verbose(verbose),
        _bufSize(0),
        _protocolVersion(0)
    {
        memcpy(&_guid, &guid, sizeof(_guid));
    }
    virtual ~HECI() {}

    virtual bool Init(unsigned char maxProtocolVersion = 0) = 0;
    virtual void Deinit() = 0;
    virtual int ReceiveMessage(unsigned char *buffer, int len, unsigned long timeout = 2000) = 0;
    virtual int SendMessage(const unsigned char *buffer, int len, unsigned long timeout = 2000) = 0;
    virtual unsigned int GetBufferSize() const = 0;
    virtual unsigned char GetProtocolVersion() const = 0;
    virtual bool GetHeciVersion(HECI_VERSION &version) const = 0;
    virtual bool IsInitialized() const = 0;

protected:
    GUID _guid;
    bool _initialized;
    bool _verbose;
    unsigned int  _bufSize;
    unsigned char _protocolVersion;
};

#endif