131 lines
4.7 KiB
C++
131 lines
4.7 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2015 Lukas Lao Beyer
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* Copyright 2013 Dimitri Stolnikov <horiz0n@gmx.net>
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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_FREESRP_SINK_C_H
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#define INCLUDED_FREESRP_SINK_C_H
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#include <gnuradio/thread/thread.h>
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#include <gnuradio/block.h>
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#include <gnuradio/sync_block.h>
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#include "osmosdr/ranges.h"
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#include "sink_iface.h"
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#include "freesrp_common.h"
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#include "readerwriterqueue/readerwriterqueue.h"
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#include <mutex>
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#include <condition_variable>
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#include <freesrp.hpp>
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class freesrp_sink_c;
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/*
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* We use std::shared_ptr's instead of raw pointers for all access
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* to gr_blocks (and many other data structures). The shared_ptr gets
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* us transparent reference counting, which greatly simplifies storage
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* management issues. This is especially helpful in our hybrid
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* C++ / Python system.
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*
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* See http://www.boost.org/libs/smart_ptr/smart_ptr.htm
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*
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* As a convention, the _sptr suffix indicates a std::shared_ptr
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*/
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typedef std::shared_ptr<freesrp_sink_c> freesrp_sink_c_sptr;
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/*!
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* \brief Return a shared_ptr to a new instance of freesrp_sink_c.
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*
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* To avoid accidental use of raw pointers, freesrp_sink_c's
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* constructor is private. make_freesrp_sink_c is the public
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* interface for creating new instances.
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*/
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freesrp_sink_c_sptr make_freesrp_sink_c (const std::string & args = "");
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class freesrp_sink_c :
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public gr::sync_block,
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public sink_iface,
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public freesrp_common
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{
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private:
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// The friend declaration allows freesrp_make_sink_c to
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// access the private constructor.
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friend freesrp_sink_c_sptr make_freesrp_sink_c (const std::string & args);
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freesrp_sink_c (const std::string & args); // private constructor
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public:
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// From freesrp_common:
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static std::vector<std::string> get_devices() { return freesrp_common::get_devices(); };
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size_t get_num_channels( void ) { return freesrp_common::get_num_channels(); }
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osmosdr::meta_range_t get_sample_rates( void ) { return freesrp_common::get_sample_rates(); }
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osmosdr::freq_range_t get_freq_range( size_t chan = 0 ) { return freesrp_common::get_freq_range(chan); }
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osmosdr::freq_range_t get_bandwidth_range( size_t chan = 0 ) { return freesrp_common::get_bandwidth_range(chan); }
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double set_freq_corr( double ppm, size_t chan = 0 ) { return freesrp_common::set_freq_corr(ppm, chan); }
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double get_freq_corr( size_t chan = 0 ) { return freesrp_common::get_freq_corr(chan); }
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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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double set_sample_rate( double rate );
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double get_sample_rate( void );
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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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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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//TODO: implement this: bool set_gain_mode( bool automatic, size_t chan = 0 );
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//TODO: implement this: bool get_gain_mode( 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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double set_bb_gain( double gain, 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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double set_bandwidth( double bandwidth, size_t chan = 0 );
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double get_bandwidth( size_t chan = 0 );
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private:
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void freesrp_tx_callback(std::vector<::FreeSRP::sample> &samples);
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bool _running = false;
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std::mutex _buf_mut{};
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std::condition_variable _buf_cond{};
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size_t _buf_available_space = FREESRP_RX_TX_QUEUE_SIZE;
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moodycamel::ReaderWriterQueue<::FreeSRP::sample> _buf_queue{FREESRP_RX_TX_QUEUE_SIZE};
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};
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#endif /* INCLUDED_FREESRP_SINK_C_H */
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