144 lines
4.5 KiB
C++
144 lines
4.5 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2013 Dimitri Stolnikov <horiz0n@gmx.net>
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* Copyright 2020 Clayton Smith <argilo@gmail.com>
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*
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* gr-osmosdr 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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* gr-osmosdr 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 gr-osmosdr; 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_HACKRF_SOURCE_C_H
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#define INCLUDED_HACKRF_SOURCE_C_H
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#include <gnuradio/sync_block.h>
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#include <condition_variable>
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#include <mutex>
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#include <libhackrf/hackrf.h>
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#include "source_iface.h"
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#include "hackrf_common.h"
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class hackrf_source_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<hackrf_source_c> hackrf_source_c_sptr;
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/*!
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* \brief Return a shared_ptr to a new instance of hackrf_source_c.
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*
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* To avoid accidental use of raw pointers, hackrf_source_c's
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* constructor is private. make_hackrf_source_c is the public
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* interface for creating new instances.
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*/
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hackrf_source_c_sptr make_hackrf_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 hackrf_source_c :
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public gr::sync_block,
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public source_iface,
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protected hackrf_common
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{
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private:
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// The friend declaration allows make_hackrf_source_c to
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// access the private constructor.
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friend hackrf_source_c_sptr make_hackrf_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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*/
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hackrf_source_c (const std::string & args); // private constructor
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public:
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~hackrf_source_c (); // public destructor
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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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bool set_gain_mode( bool automatic, size_t chan = 0 );
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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_if_gain( double gain, 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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osmosdr::freq_range_t get_bandwidth_range( size_t chan = 0 );
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private:
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static int _hackrf_rx_callback(hackrf_transfer* transfer);
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int hackrf_rx_callback(unsigned char *buf, uint32_t len);
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std::vector<float> _lut;
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unsigned char **_buf;
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unsigned int _buf_num;
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unsigned int _buf_len;
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unsigned int _buf_head;
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unsigned int _buf_used;
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std::mutex _buf_mutex;
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std::condition_variable _buf_cond;
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unsigned int _buf_offset;
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int _samp_avail;
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double _lna_gain;
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double _vga_gain;
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};
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#endif /* INCLUDED_HACKRF_SOURCE_C_H */
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