2002-07-06 09:27:38 +00:00
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/*
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* Hamlib GNUradio backend - gnuradio priv structure
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2003-02-09 22:54:15 +00:00
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* Copyright (c) 2001-2003 by Stephane Fillod
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2002-07-06 09:27:38 +00:00
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*
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2003-02-09 22:54:15 +00:00
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* $Id: gr_priv.h,v 1.3 2003-02-09 22:54:15 fillods Exp $
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2002-07-06 09:27:38 +00:00
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifndef _GR_PRIV_H
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#define _GR_PRIV_H 1
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#include <VrSigSource.h>
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#include <VrSink.h>
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#include <VrMultiTask.h>
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2003-02-09 22:54:15 +00:00
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#include <VrFixOffset.h>
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/* FM */
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#include <VrComplexFIRfilter.h>
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#include <VrQuadratureDemod.h>
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#include <VrRealFIRfilter.h>
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/* SSB */
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#include <GrSSBMod.h>
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#include <GrHilbert.h>
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#include <pthread.h>
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2002-07-06 09:27:38 +00:00
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#include <hamlib/rig.h>
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2002-10-07 21:46:43 +00:00
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#define IOTYPE short
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2002-07-06 09:27:38 +00:00
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2003-02-09 22:54:15 +00:00
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union mod_data {
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struct {
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/* (W)FM demod */
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VrComplexFIRfilter<short> *chan_filter_1;
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VrQuadratureDemod<float> *fm_demod_1;
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VrRealFIRfilter<float,short> *audio_filter_1;
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/* these levels, if not in RIG_LEVEL's already,
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* are good candidates for rig_set_ext_level
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*/
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int CFIRdecimate;
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int chanTaps;
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float chanGain;
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float FMdemodGain;
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int RFIRdecimate;
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int ifTaps;
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float ifGain; /* LEVEL_RF? */
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} fm;
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struct {
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/* SSB demod */
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GrHilbert<short> *hilb;
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GrSSBMod<short> *shifter;
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} ssb;
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};
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#define NUM_CHAN 2 /* VFO A and VFO B */
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2002-07-06 09:27:38 +00:00
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struct gnuradio_priv_data {
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/* current vfo already in rig_state ? */
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vfo_t curr_vfo;
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value_t parms[RIG_SETTING_MAX];
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2003-02-09 22:54:15 +00:00
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channel_t chans[NUM_CHAN];
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2002-07-06 09:27:38 +00:00
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2003-02-09 22:54:15 +00:00
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/* tuner providing IF */
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rig_model_t tuner_model;
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RIG *tuner;
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shortfreq_t input_rate;
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shortfreq_t IF_center_freq;
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VrSource<IOTYPE> *source; /*< IF source */
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VrFixOffset<IOTYPE,IOTYPE> *offset_fixer; /*< some sources need it */
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VrSink<short> *sink; /*< Audio sink */
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2002-07-06 09:27:38 +00:00
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VrMultiTask *m;
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2003-02-09 22:54:15 +00:00
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int need_fixer; /*< always need Offset fixer ? */
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pthread_t process_thread;
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pthread_mutex_t mutex_process;
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volatile int do_process; /*< flag to tell process thread to stop */
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union mod_data mods[NUM_CHAN]; /*< Modulation objects and stuff, one per channel */
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2002-07-06 09:27:38 +00:00
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};
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2003-02-09 22:54:15 +00:00
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#define GR_SOURCE(priv) ((priv)->need_fixer?(priv)->offset_fixer:(priv)->source)
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2002-07-06 09:27:38 +00:00
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2003-02-09 22:54:15 +00:00
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#endif /* _GR_PRIV_H */
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