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/* -*- c++ -*- */
/*
* Copyright 2013 Dimitri Stolnikov <horiz0n@gmx.net>
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_RFSPACE_SOURCE_C_H
#define INCLUDED_RFSPACE_SOURCE_C_H
#include <gnuradio/thread/thread.h>
#include <gnuradio/block.h>
#include <gnuradio/sync_block.h>
#include <boost/circular_buffer.hpp>
#include <mutex>
#include <condition_variable>
#include "osmosdr/ranges.h"
#include "source_iface.h"
class rfspace_source_c;
#ifndef SOCKET
#define SOCKET int
#endif
/*
* We use std::shared_ptr's instead of raw pointers for all access
* to gr_blocks (and many other data structures). The shared_ptr gets
* us transparent reference counting, which greatly simplifies storage
* management issues. This is especially helpful in our hybrid
* C++ / Python system.
*
* See http://www.boost.org/libs/smart_ptr/smart_ptr.htm
*
* As a convention, the _sptr suffix indicates a std::shared_ptr
*/
typedef std::shared_ptr<rfspace_source_c> rfspace_source_c_sptr;
/*!
* \brief Return a shared_ptr to a new instance of rfspace_source_c.
*
* To avoid accidental use of raw pointers, rfspace_source_c's
* constructor is private. rfspace_make_source_c is the public
* interface for creating new instances.
*/
rfspace_source_c_sptr make_rfspace_source_c (const std::string & args = "");
class rfspace_source_c :
public gr::sync_block,
public source_iface
{
private:
// The friend declaration allows rfspace_make_source_c to
// access the private constructor.
friend rfspace_source_c_sptr make_rfspace_source_c (const std::string & args);
rfspace_source_c (const std::string & args); // private constructor
public:
~rfspace_source_c (); // public destructor
bool start();
bool stop();
int work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items );
static std::vector< std::string > get_devices( bool fake = false );
size_t get_num_channels( void );
osmosdr::meta_range_t get_sample_rates( void );
double set_sample_rate( double rate );
double get_sample_rate( void );
osmosdr::freq_range_t get_freq_range( size_t chan = 0 );
double set_center_freq( double freq, size_t chan = 0 );
double get_center_freq( size_t chan = 0 );
double set_freq_corr( double ppm, size_t chan = 0 );
double get_freq_corr( size_t chan = 0 );
std::vector<std::string> get_gain_names( size_t chan = 0 );
osmosdr::gain_range_t get_gain_range( size_t chan = 0 );
osmosdr::gain_range_t get_gain_range( const std::string & name, size_t chan = 0 );
bool set_gain_mode( bool automatic, size_t chan = 0 );
bool get_gain_mode( size_t chan = 0 );
double set_gain( double gain, size_t chan = 0 );
double set_gain( double gain, const std::string & name, size_t chan = 0 );
double get_gain( size_t chan = 0 );
double get_gain( const std::string & name, size_t chan = 0 );
std::vector< std::string > get_antennas( size_t chan = 0 );
std::string set_antenna( const std::string & antenna, size_t chan = 0 );
std::string get_antenna( size_t chan = 0 );
double set_bandwidth( double bandwidth, size_t chan = 0 );
double get_bandwidth( size_t chan = 0 );
osmosdr::freq_range_t get_bandwidth_range( size_t chan = 0 );
private: /* functions */
void apply_channel( unsigned char *cmd, size_t chan = 0 );
bool transaction( const unsigned char *cmd, size_t size );
bool transaction( const unsigned char *cmd, size_t size,
std::vector< unsigned char > &response );
void usb_read_task();
void tcp_keepalive_task();
private: /* members */
enum radio_type
{
RADIO_UNKNOWN = 0,
RFSPACE_SDR_IQ,
RFSPACE_SDR_IP,
RFSPACE_NETSDR,
RFSPACE_CLOUDIQ,
RFSPACE_CLOUDSDR
};
radio_type _radio;
SOCKET _tcp;
SOCKET _udp;
int _usb;
bool _running;
bool _keep_running;
uint16_t _sequence;
size_t _nchan;
double _sample_rate;
double _bandwidth;
gr::thread::thread _thread;
bool _run_usb_read_task;
bool _run_tcp_keepalive_task;
std::mutex _tcp_lock;
boost::circular_buffer<gr_complex> *_fifo;
std::mutex _fifo_lock;
std::condition_variable _samp_avail;
std::vector< unsigned char > _resp;
std::mutex _resp_lock;
std::condition_variable _resp_avail;
};
#endif /* INCLUDED_RFSPACE_SOURCE_C_H */
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