180 lines
5.1 KiB
C++
180 lines
5.1 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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* 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_RFSPACE_SOURCE_C_H
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#define INCLUDED_RFSPACE_SOURCE_C_H
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//#define USE_ASIO
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#ifdef USE_ASIO
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#include <boost/asio.hpp>
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#endif
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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 <boost/circular_buffer.hpp>
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#include <mutex>
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#include <condition_variable>
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#include "osmosdr/ranges.h"
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#include "source_iface.h"
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#ifdef USE_ASIO
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using boost::asio::ip::tcp;
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using boost::asio::ip::udp;
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#endif
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class rfspace_source_c;
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#ifndef SOCKET
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#define SOCKET int
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#endif
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/*
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* We use boost::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 boost::shared_ptr
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*/
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typedef boost::shared_ptr<rfspace_source_c> rfspace_source_c_sptr;
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/*!
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* \brief Return a shared_ptr to a new instance of rfspace_source_c.
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*
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* To avoid accidental use of raw pointers, rfspace_source_c's
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* constructor is private. rfspace_make_source_c is the public
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* interface for creating new instances.
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*/
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rfspace_source_c_sptr make_rfspace_source_c (const std::string & args = "");
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class rfspace_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 rfspace_make_source_c to
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// access the private constructor.
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friend rfspace_source_c_sptr make_rfspace_source_c (const std::string & args);
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rfspace_source_c (const std::string & args); // private constructor
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public:
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~rfspace_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( bool fake = false );
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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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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: /* functions */
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void apply_channel( unsigned char *cmd, size_t chan = 0 );
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bool transaction( const unsigned char *cmd, size_t size );
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bool transaction( const unsigned char *cmd, size_t size,
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std::vector< unsigned char > &response );
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void usb_read_task();
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void tcp_keepalive_task();
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private: /* members */
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enum radio_type
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{
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RADIO_UNKNOWN = 0,
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RFSPACE_SDR_IQ,
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RFSPACE_SDR_IP,
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RFSPACE_NETSDR,
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RFSPACE_CLOUDIQ
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};
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radio_type _radio;
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#ifdef USE_ASIO
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boost::asio::io_service _io_service;
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tcp::resolver _resolver;
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tcp::socket _t;
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udp::socket _u;
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#else
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SOCKET _tcp;
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SOCKET _udp;
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#endif
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int _usb;
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bool _running;
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bool _keep_running;
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uint16_t _sequence;
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size_t _nchan;
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double _sample_rate;
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double _bandwidth;
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gr::thread::thread _thread;
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bool _run_usb_read_task;
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bool _run_tcp_keepalive_task;
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std::mutex _tcp_lock;
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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< unsigned char > _resp;
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std::mutex _resp_lock;
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std::condition_variable _resp_avail;
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};
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#endif /* INCLUDED_RFSPACE_SOURCE_C_H */
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