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/* -*- c++ -*- */
/*
* Copyright 2012 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_SDRPLAY_SOURCE_C_H
#define INCLUDED_SDRPLAY_SOURCE_C_H
#include <gnuradio/sync_block.h>
#include <gnuradio/thread/thread.h>
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition_variable.hpp>
#include "osmosdr/ranges.h"
#include "source_iface.h"
class sdrplay_source_c;
typedef struct sdrplay_dev sdrplay_dev_t;
/*
* We use boost::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 boost::shared_ptr
*/
typedef boost::shared_ptr<sdrplay_source_c> sdrplay_source_c_sptr;
/*!
* \brief Return a shared_ptr to a new instance of sdrplay_source_c.
*
* To avoid accidental use of raw pointers, sdrplay_source_c's
* constructor is private. make_sdrplay_source_c is the public
* interface for creating new instances.
*/
sdrplay_source_c_sptr make_sdrplay_source_c (const std::string & args = "");
/*!
* \brief Provides a stream of complex samples.
* \ingroup block
*/
class sdrplay_source_c :
public gr::sync_block,
public source_iface
{
private:
// The friend declaration allows make_sdrplay_source_c to
// access the private constructor.
friend sdrplay_source_c_sptr make_sdrplay_source_c (const std::string & args);
/*!
* \brief Provides a stream of complex samples.
*/
sdrplay_source_c (const std::string & args); // private constructor
public:
~sdrplay_source_c (); // public destructor
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();
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 );
void set_dc_offset_mode( int mode, size_t chan = 0 );
void set_dc_offset( const std::complex<double> &offset, 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:
void reinit_device(void);
void set_gain_limits(double freq);
sdrplay_dev_t *_dev;
std::vector< short > _bufi;
std::vector< short > _bufq;
int _buf_offset;
boost::mutex _buf_mutex;
bool _running;
bool _uninit;
bool _auto_gain;
};
#endif /* INCLUDED_SDRPLAY_SOURCE_C_H */
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