119 lines
3.6 KiB
C++
119 lines
3.6 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2013 Dimitri Stolnikov <horiz0n@gmx.net>
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_AIRSPYHF_SOURCE_C_H
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#define INCLUDED_AIRSPYHF_SOURCE_C_H
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#include <boost/circular_buffer.hpp>
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#include <mutex>
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#include <condition_variable>
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#include <gnuradio/sync_block.h>
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#include <libairspyhf/airspyhf.h>
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#include "source_iface.h"
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class airspyhf_source_c;
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typedef std::shared_ptr<airspyhf_source_c> airspyhf_source_c_sptr;
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/*!
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* \brief Return a shared_ptr to a new instance of airspyhf_source_c.
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*
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* To avoid accidental use of raw pointers, airspyhf_source_c's
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* constructor is private. make_airspyhf_source_c is the public
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* interface for creating new instances.
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*/
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airspyhf_source_c_sptr make_airspyhf_source_c (const std::string & args = "");
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/*!
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* \brief Provides a stream of complex samples.
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* \ingroup block
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*/
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class airspyhf_source_c :
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public gr::sync_block,
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public source_iface
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{
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private:
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// The friend declaration allows make_airspyhf_source_c to
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// access the private constructor.
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friend airspyhf_source_c_sptr make_airspyhf_source_c (const std::string & args);
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airspyhf_source_c (const std::string & args);
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public:
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~airspyhf_source_c ();
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bool start();
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bool stop();
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int work( int noutput_items,
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gr_vector_const_void_star &input_items,
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gr_vector_void_star &output_items );
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static std::vector< std::string > get_devices();
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size_t get_num_channels( void );
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osmosdr::meta_range_t get_sample_rates( void );
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double set_sample_rate( double rate );
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double get_sample_rate( void );
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osmosdr::freq_range_t get_freq_range( size_t chan = 0 );
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double set_center_freq( double freq, size_t chan = 0 );
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double get_center_freq( size_t chan = 0 );
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double set_freq_corr( double ppm, size_t chan = 0 );
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double get_freq_corr( size_t chan = 0 );
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std::vector<std::string> get_gain_names( size_t chan = 0 );
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osmosdr::gain_range_t get_gain_range( size_t chan = 0 );
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osmosdr::gain_range_t get_gain_range( const std::string & name, size_t chan = 0 );
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double set_gain( double gain, size_t chan = 0 );
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double set_gain( double gain, const std::string & name, size_t chan = 0 );
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double get_gain( size_t chan = 0 );
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double get_gain( const std::string & name, size_t chan = 0 );
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std::vector< std::string > get_antennas( size_t chan = 0 );
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std::string set_antenna( const std::string & antenna, size_t chan = 0 );
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std::string get_antenna( size_t chan = 0 );
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private:
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static int _airspyhf_rx_callback(airspyhf_transfer_t* transfer);
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int airspyhf_rx_callback(void *samples, int sample_count);
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airspyhf_device *_dev;
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boost::circular_buffer<gr_complex> *_fifo;
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std::mutex _fifo_lock;
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std::condition_variable _samp_avail;
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std::vector< std::pair<double, uint32_t> > _sample_rates;
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double _sample_rate;
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double _center_freq;
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double _freq_corr;
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};
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#endif /* INCLUDED_AIRSPY_SOURCE_C_H */
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