root/components/AutomaticGainControl/trunk/AutomaticGainControl/AutomaticGainControl.h @ 2433

/****************************************************************************

Copyright 2006 Virginia Polytechnic Institute and State University

This file is part of the OSSIE AutomaticGainControl.

OSSIE AutomaticGainControl 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
(at your option) any later version.

OSSIE AutomaticGainControl 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 OSSIE AutomaticGainControl; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

****************************************************************************/


#ifndef AUTOMATICGAINCONTROL_IMPL_H
#define AUTOMATICGAINCONTROL_IMPL_H

#include <stdlib.h>
#include "ossie/cf.h"


#include "ossie/PortTypes.h"
#include "standardinterfaces/complexShort.h"
#include "standardinterfaces/complexShort_u.h"
#include "standardinterfaces/complexShort_p.h"

#include "ossie/Resource_impl.h"
#include "sigproc/SigProc.h"

class AutomaticGainControl_i;

void process_data(void *data);

class AutomaticGainControl_i : public virtual Resource_impl
{

    //friend void process_data(void *data);

    public:
        AutomaticGainControl_i(const char *uuid, omni_condition *sem);
        ~AutomaticGainControl_i(void);

        void start() throw (CF::Resource::StartError, CORBA::SystemException);
        void stop() throw (CF::Resource::StopError, CORBA::SystemException);
        static void run(void *data);

        CORBA::Object_ptr getPort( const char* portName ) throw (CF::PortSupplier::UnknownPort, CORBA::SystemException);

        void releaseObject() throw (CF::LifeCycle::ReleaseError, CORBA::SystemException);

        void initialize() throw (CF::LifeCycle::InitializeError, CORBA::SystemException);
        void configure(const CF::Properties&) throw (CORBA::SystemException, CF::PropertySet::InvalidConfiguration, CF::PropertySet::PartialConfiguration);


    private:
        AutomaticGainControl_i();
        AutomaticGainControl_i(AutomaticGainControl_i&);
        
        void run_loop();
        
        omni_condition *component_running;  // for component shutdown
        omni_thread *processing_thread;     // for component writer function
        omni_mutex accessPrivateData;       // for asynchronous configure() invocation
        
        //list components provides and uses ports
        standardInterfaces_i::complexShort_u *dataOut_0;
        standardInterfaces_i::complexShort_p *dataIn_0;

        // algorithm variables
        float energy_lo;  // low energy threshold
        float energy_hi;  // high energy threshold
        float k_attack;   // attack time constant
        float k_release;  // release time constant
        float g_max;      // maximum gain
        float g_min;      // minimum gain
        
};
#endif