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pcbell.h

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#ifndef __PCBELL_H_INCLUDED__
#define __PCBELL_H_INCLUDED__

// $Id

//**********************************************************************
//                                                                     *
//    Description:   'Bell Master' implementation of block instrument  *
//                   bell using PC (hardware to produce actual ring    *
//                   abstracted by 'Note' class).                      *
//                                                                     *
//    Author:        Chris White (whitecf@bcs.org.uk)                  *
//                                                                     *
//    Copyright (C) 2003  Monitor Computing Services Ltd.              *
//                                                                     *
//    This program 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 2   *
//    of the License, or any later version.                            *
//                                                                     *
//    This program 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 (http://www.gnu.org/copyleft/gpl.html) along with this   *
//    program; if not, write to:                                       *
//       The Free Software Foundation Inc.,                            *
//       59 Temple Place - Suite 330,                                  *
//       Boston, MA  02111-1307,                                       *
//       USA.                                                          *
//                                                                     *
//**********************************************************************
//                                                                     *
//    Notes:                                                           *
//                                                                     *
//**********************************************************************


#include "bell.h"


// Forward Declerations
namespace Monitor {
    namespace Utility {
        class    Note;
    };
namespace BellMaster {



class PcBell : public Bell
{
public:
    PcBell(Monitor::Utility::Note&    newNote);

    virtual ~PcBell();


    virtual void
    ring() const
    throw (Bell::Busy);

    virtual void
    ring(unsigned*    newSequence)
    throw (Bell::Busy);

    Monitor::Utility::Note&
    getNote() const;

private:
    void
    nextRing();

    unsigned*    currentSequence;

    Monitor::Utility::Note&    note;
}; // class PcBell

};  // namespace BellMaster
};  // namespace Monitor


#endif // __PCBELL_H_INCLUDED__

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