// $Id$
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum für Schwerionenforschung GmbH
//                     Planckstr. 1, 64291 Darmstadt, Germany
// Contact:            http://go4.gsi.de
//-----------------------------------------------------------------------
// This software can be used under the license agreements as stated
// in Go4License.txt file which is part of the distribution.
//-----------------------------------------------------------------------

#ifndef TGO4SUBEVENTHEADER10_H
#define TGO4SUBEVENTHEADER10_H

#include "TObject.h"

#include "TGo4GSIEventHeader.h"

#include "typedefs.h"

/**
 * Standard GSI subevent header implementation.
 * For Little Endian machines (linux)
 * @author J. Adamczewski
 * @author M. Hemberger
 */
class TGo4SubEventHeader10 : public TObject {
  public:

    /** Reset all members to zero. */
    virtual void Clear(Option_t* opt="")
     {
        fxGSIHeader.Clear();
        fxGSIHeader.fsType=10;
        //fsProcid=0; // these three values are all unique identifiers
        //fcSubcrate=0;
        //fcControl=0;
     }

    /** @link aggregationByValue */
    TGo4GSIEventHeader fxGSIHeader;


    /** union to correctly access full id as one int value */
    union
        {
            /** full id number of procid, subcrate and ctrl */
            Int_t fiFullid;
        struct
            {
            #if MBS_ENDIAN == 1

            /** Processor type code. */
            Char_t fcControl;

            /** Subcrate number */
            Char_t fcSubcrate;

            /** Processor ID [from setup] */
            Short_t fsProcid;

            #else

            /** Processor ID [from setup] */
            Short_t fsProcid;

            /** Subcrate number */
            Char_t fcSubcrate;

            /** Processor type code. */
            Char_t fcControl;

            #endif

            };
        };

    TGo4SubEventHeader10() : TObject(), fxGSIHeader(), fsProcid(0), fcSubcrate(0), fcControl(0) { }

    virtual ~TGo4SubEventHeader10() { }

  ClassDef(TGo4SubEventHeader10,2)
};

#endif // TGO4SUBEVENTHEADER10_H