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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.
*/
#include <fstream>
#include <string>
#include <sstream>
#include <boost/assign.hpp>
#include <gr_io_signature.h>
#include <gr_deinterleave.h>
#include <gr_float_to_complex.h>
#include "rtl_tcp_source_c.h"
#include <osmosdr_arg_helpers.h>
using namespace boost::assign;
rtl_tcp_source_c_sptr make_rtl_tcp_source_c(const std::string &args)
{
return gnuradio::get_initial_sptr(new rtl_tcp_source_c(args));
}
rtl_tcp_source_c::rtl_tcp_source_c(const std::string &args) :
gr_hier_block2("rtl_tcp_source_c",
gr_make_io_signature (0, 0, 0),
gr_make_io_signature (1, 1, sizeof (gr_complex)))
{
std::string host = "127.0.0.1";
unsigned short port = 1234;
bool eof = false;
bool wait = true;
int payload_size = 16384;
_freq = 0;
_rate = 0;
dict_t dict = params_to_dict(args);
if (dict.count("host"))
host = dict["host"];
if (dict.count("port"))
port = boost::lexical_cast< unsigned short >( dict["port"] );
if (dict.count("eof"))
eof = "true" == dict["eof"] ? true : false;
if (dict.count("wait"))
wait = "true" == dict["wait"] ? true : false;
if (dict.count("psize"))
payload_size = boost::lexical_cast< int >( dict["psize"] );
if (!host.length())
host = "127.0.0.1";
if (0 == port)
port = 1234;
if (payload_size <= 0)
payload_size = 16384;
_src = make_rtl_tcp_source_f(sizeof(float), host.c_str(), port, payload_size,
eof, wait);
/* rtl tcp source provides a stream of interleaved IQ floats */
gr_deinterleave_sptr deinterleave = gr_make_deinterleave(sizeof(float));
/* block to convert deinterleaved floats to a complex stream */
gr_float_to_complex_sptr f2c = gr_make_float_to_complex(1);
connect(_src, 0, deinterleave, 0);
connect(deinterleave, 0, f2c, 0); /* I */
connect(deinterleave, 1, f2c, 1); /* Q */
connect(f2c, 0, self(), 0);
}
rtl_tcp_source_c::~rtl_tcp_source_c()
{
}
gr_basic_block_sptr rtl_tcp_source_c::self()
{
return gr_hier_block2::self();
}
std::string rtl_tcp_source_c::name()
{
return "RTL TCP Client Source";
}
size_t rtl_tcp_source_c::get_num_channels( void )
{
return 1;
}
osmosdr::meta_range_t rtl_tcp_source_c::get_sample_rates( void )
{
osmosdr::meta_range_t range;
range += osmosdr::range_t( get_sample_rate() );
return range;
}
double rtl_tcp_source_c::set_sample_rate( double rate )
{
return get_sample_rate();
}
double rtl_tcp_source_c::get_sample_rate( void )
{
return _rate;
}
osmosdr::freq_range_t rtl_tcp_source_c::get_freq_range( size_t chan )
{
osmosdr::freq_range_t range(50e6, 2.2e6, 100);
return range;
}
double rtl_tcp_source_c::set_center_freq( double freq, size_t chan )
{
_src->set_freq( int(freq) );
_freq = freq;
return get_center_freq(chan);
}
double rtl_tcp_source_c::get_center_freq( size_t chan )
{
return _freq;
}
double rtl_tcp_source_c::set_freq_corr( double ppm, size_t chan )
{
return get_freq_corr( chan );
}
double rtl_tcp_source_c::get_freq_corr( size_t chan )
{
return 0;
}
std::vector<std::string> rtl_tcp_source_c::get_gain_names( size_t chan )
{
return std::vector< std::string >();
}
osmosdr::gain_range_t rtl_tcp_source_c::get_gain_range( size_t chan )
{
osmosdr::gain_range_t range(0, 0);
return range;
}
osmosdr::gain_range_t rtl_tcp_source_c::get_gain_range( const std::string & name, size_t chan )
{
return get_gain_range( chan );
}
bool rtl_tcp_source_c::set_gain_mode( bool mode, size_t chan )
{
return get_gain_mode(chan);
}
bool rtl_tcp_source_c::get_gain_mode( size_t chan )
{
return true;
}
double rtl_tcp_source_c::set_gain( double gain, size_t chan )
{
return get_gain(chan);
}
double rtl_tcp_source_c::set_gain( double gain, const std::string & name, size_t chan )
{
return set_gain(chan);
}
double rtl_tcp_source_c::get_gain( size_t chan )
{
return 0;
}
double rtl_tcp_source_c::get_gain( const std::string & name, size_t chan )
{
return get_gain(chan);
}
std::vector< std::string > rtl_tcp_source_c::get_antennas( size_t chan )
{
std::vector< std::string > antennas;
antennas += get_antenna(chan);
return antennas;
}
std::string rtl_tcp_source_c::set_antenna( const std::string & antenna, size_t chan )
{
return get_antenna(chan);
}
std::string rtl_tcp_source_c::get_antenna( size_t chan )
{
return "ANT";
}
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