GPSInfoSource.h

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/* ========================================================================
 * Copyright (c) 2006,
 * Institute for Computer Graphics and Vision
 * Graz University of Technology
 * 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 the Graz University of Technology 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 THE COPYRIGHT OWNER
 * OR 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
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ========================================================================
 * PROJECT: OpenTracker
 * ======================================================================== */
/* ======================================================================= */

#ifndef _GPSINFOSOURCE_H
#define _GPSINFOSOURCE_H

#include <assert.h>

#include "../OpenTracker.h"
#include "GPSDriver.h"


#ifndef OT_NO_GPS_SUPPORT


namespace ot {


    class OPENTRACKER_API GPSInfoSource : public Node, public GPSListener  
    {
    public:

        Event event;
        Event buffer;
    
        virtual int isEventGenerator()
        {
            return 1;
        }

        virtual void newData( const GPResult * point, const char * line, void * userData );

    protected:
        GPSInfoSource() {};

        friend class GPSModule;
    };

    inline void GPSInfoSource::newData( const GPResult * res, const char * line, void * userData )
    {
        assert( userData != NULL );
        if( res->type == GPResult::GPGGA){
            GPGGA * point = (GPGGA *) res;
            GPSModule * module = (GPSModule *)userData;
            module->lock();
            buffer.timeStamp();
            buffer.getPosition()[0] = (float)point->fix;
            buffer.getPosition()[1] = (float)point->numsats;
            buffer.getPosition()[2] = (float)point->hdop;
            module->unlock();
        }
    }


}  // namespace ot


#endif // OT_NO_GPS_SUPPORT


#endif // !defined(_GPSINFOSOURCE_H)

/* 
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 *   End of GPSInfoSource.h
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