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 *  Hamlib GNUradio backend - gnuradio priv structure
 *  Copyright (c) 2001-2003 by Stephane Fillod
 *    $Id: gr_priv.h,v 1.7 2004/02/08 20:27:58 fillods Exp $
 *   This library is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Library General Public License as
 *   published by the Free Software Foundation; either version 2 of
 *   the License, or (at your option) 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
 *   GNU Library General Public License for more details.
 *   You should have received a copy of the GNU Library General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#ifndef _GR_PRIV_H
#define _GR_PRIV_H 1

#include <VrSigSource.h>
#include <VrSink.h>
#include <VrMultiTask.h>
#include <VrFixOffset.h>
#include <GrConvertSF.h>

#include <VrSource.h>

#include <pthread.h>

#include "hamlib/rig.h"
#include "demod.h"

#define NUM_CHAN 2      /* VFO A and VFO B */

struct gnuradio_priv_data {
      /* current vfo already in rig_state ? */
      vfo_t curr_vfo;

      value_t parms[RIG_SETTING_MAX];

      channel_t chans[NUM_CHAN];

      /* tuner providing IF */
      rig_model_t tuner_model;
      RIG *tuner;
      shortfreq_t input_rate;
      shortfreq_t IF_center_freq;

      VrSource<VrComplex> *source;

      /* MC4020 */
      VrSource<short> *mc4020_source;
      VrFixOffset<short,short> *offset_fixer;
      GrConvertSF *convert_SF;

      VrSink<float> *sink;          /*< Audio sink */
      VrMultiTask *m;

      pthread_t process_thread;
      pthread_mutex_t mutex_process;
      volatile int do_process;      /*< flag to tell process thread to stop */

      DemodChainCF *mods[NUM_CHAN]; /*< Modulation objects and stuff, one per channel */

#define GR_MAX_FREQUENCY(priv) ((priv)->input_rate/2)
//#define GR_MAX_FREQUENCY(priv) ((priv)->input_rate)

#endif      /* _GR_PRIV_H */

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