GNU Radio block for interfacing with various radio hardware
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gr-osmosdr/lib/uhd/uhd_source_c.cc

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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 <boost/assign.hpp>
#include <boost/algorithm/string.hpp>
//#include <uhd/property_tree.hpp>
#include "arg_helpers.h"
#include "uhd_source_c.h"
#include "osmosdr/source.h"
using namespace boost::assign;
uhd_source_c_sptr make_uhd_source_c(const std::string &args)
{
return gnuradio::get_initial_sptr(new uhd_source_c(args));
}
static size_t parse_nchan(const std::string &args)
{
size_t nchan = 1;
dict_t dict = params_to_dict(args);
if (dict.count("nchan"))
nchan = boost::lexical_cast< size_t >( dict["nchan"] );
return nchan;
}
uhd_source_c::uhd_source_c(const std::string &args) :
gr::hier_block2("uhd_source_c",
gr::io_signature::make(0, 0, 0),
gr::io_signature::make(parse_nchan(args),
parse_nchan(args),
sizeof(gr_complex))),
_center_freq(0.0f),
_freq_corr(0.0f),
_lo_offset(0.0f)
{
size_t nchan = 1;
dict_t dict = params_to_dict(args);
uhd::stream_args_t stream_args;
if (dict.count("nchan"))
nchan = boost::lexical_cast< size_t >( dict["nchan"] );
if (0 == nchan)
nchan = 1;
if (dict.count("lo_offset"))
_lo_offset = boost::lexical_cast< double >( dict["lo_offset"] );
std::string arguments; // rebuild argument string without internal arguments
for (dict_t::value_type &entry : dict)
{
if ( "cpu_format" == entry.first ||
"otw_format" == entry.first ||
"fullscale" == entry.first ||
"peak" == entry.first ||
"nchan" == entry.first ||
"subdev" == entry.first ||
"lo_offset" == entry.first ||
"uhd" == entry.first )
continue;
arguments += entry.first + "=" + entry.second + ",";
}
stream_args.cpu_format = "fc32";
stream_args.otw_format = "sc16";
if (dict.count("cpu_format") )
stream_args.cpu_format = dict["cpu_format"];
if (dict.count("otw_format") )
stream_args.otw_format = dict["otw_format"];
for (size_t chan = 0; chan < nchan; chan++)
stream_args.channels.push_back(chan); // linear mapping
if (dict.count("peak") )
stream_args.args["peak"] = dict["peak"];
if (dict.count("fullscale") )
stream_args.args["fullscale"] = dict["fullscale"];
_src = gr::uhd::usrp_source::make( arguments, stream_args );
if (dict.count("subdev"))
_src->set_subdev_spec( dict["subdev"] );
std::cerr << "-- Using subdev spec '" << _src->get_subdev_spec() << "'."
<< std::endl;
if (0.0 != _lo_offset)
std::cerr << "-- Using LO offset of " << _lo_offset << " Hz." << std::endl;
#if 0
std::vector<int> sizes = _src->output_signature()->sizeof_stream_items();
while ( sizes.size() > nchan )
sizes.erase( sizes.end() );
// TODO: setting the output signature is broken for hier blocks (gnuradio bug #719)
set_output_signature( gr::io_signature::makev( nchan, nchan, sizes ) );
#endif
for ( size_t i = 0; i < nchan; i++ )
connect( _src, i, self(), i );
}
uhd_source_c::~uhd_source_c()
{
}
std::vector< std::string > uhd_source_c::get_devices()
{
std::vector< std::string > devices;
uhd::device_addr_t hint;
for (const uhd::device_addr_t &dev : uhd::device::find(hint))
{
std::string args = "uhd," + dev.to_string();
std::string type = dev.cast< std::string >("type", "usrp");
std::string name = dev.cast< std::string >("name", "");
std::string serial = dev.cast< std::string >("serial", "");
std::string label = "Ettus";
if ( "umtrx" == type )
label = "Fairwaves";
if (type.length()) {
boost::to_upper(type);
label += " " + type;
}
if (name.length())
label += " (" + name + ")";
if (serial.length())
label += " " + serial;
args += ",label='" + label + + "'";
devices.push_back( args );
}
return devices;
}
std::string uhd_source_c::name()
{
// uhd::property_tree::sptr prop_tree = _src->get_device()->get_device()->get_tree();
// std::string dev_name = prop_tree->access<std::string>("/name").get();
std::string mboard_name = _src->get_device()->get_mboard_name();
// std::cerr << "'" << dev_name << "' '" << mboard_name << "'" << std::endl;
// 'USRP1 Device' 'USRP1 (Classic)'
// 'B-Series Device' 'B100 (B-Hundo)'
return mboard_name;
}
size_t uhd_source_c::get_num_channels()
{
// return _src->get_device()->get_rx_num_channels();
return output_signature()->max_streams();
}
osmosdr::meta_range_t uhd_source_c::get_sample_rates( void )
{
osmosdr::meta_range_t rates;
for (uhd::range_t rate : _src->get_samp_rates())
rates += osmosdr::range_t( rate.start(), rate.stop(), rate.step() );
return rates;
}
double uhd_source_c::set_sample_rate( double rate )
{
_src->set_samp_rate( rate );
return get_sample_rate();
}
double uhd_source_c::get_sample_rate( void )
{
return _src->get_samp_rate();
}
osmosdr::freq_range_t uhd_source_c::get_freq_range( size_t chan )
{
osmosdr::freq_range_t range;
for (uhd::range_t freq : _src->get_freq_range(chan))
range += osmosdr::range_t( freq.start(), freq.stop(), freq.step() );
return range;
}
double uhd_source_c::set_center_freq( double freq, size_t chan )
{
#define APPLY_PPM_CORR(val, ppm) ((val) * (1.0 + (ppm) * 0.000001))
double corr_freq = APPLY_PPM_CORR( freq, _freq_corr );
// advanced tuning with tune_request_t
uhd::tune_request_t tune_req(corr_freq, _lo_offset);
_src->set_center_freq(tune_req, chan);
_center_freq = freq;
return get_center_freq(chan);
}
double uhd_source_c::get_center_freq( size_t chan )
{
return _src->get_center_freq(chan);
}
double uhd_source_c::set_freq_corr( double ppm, size_t chan )
{
_freq_corr = ppm;
set_center_freq( _center_freq );
return get_freq_corr( chan );
}
double uhd_source_c::get_freq_corr( size_t chan )
{
return _freq_corr;
}
std::vector<std::string> uhd_source_c::get_gain_names( size_t chan )
{
return _src->get_gain_names( chan );
}
osmosdr::gain_range_t uhd_source_c::get_gain_range( size_t chan )
{
osmosdr::gain_range_t range;
for (uhd::range_t gain : _src->get_gain_range(chan))
range += osmosdr::range_t( gain.start(), gain.stop(), gain.step() );
return range;
}
osmosdr::gain_range_t uhd_source_c::get_gain_range( const std::string & name, size_t chan )
{
osmosdr::gain_range_t range;
for (uhd::range_t gain : _src->get_gain_range(name, chan))
range += osmosdr::range_t( gain.start(), gain.stop(), gain.step() );
return range;
}
double uhd_source_c::set_gain( double gain, size_t chan )
{
_src->set_gain(gain, chan);
return get_gain(chan);
}
double uhd_source_c::set_gain( double gain, const std::string & name, size_t chan )
{
_src->set_gain(gain, name, chan);
return get_gain(name, chan);
}
double uhd_source_c::get_gain( size_t chan )
{
return _src->get_gain(chan);
}
double uhd_source_c::get_gain( const std::string & name, size_t chan )
{
return _src->get_gain(name, chan);
}
std::vector< std::string > uhd_source_c::get_antennas( size_t chan )
{
return _src->get_antennas(chan);
}
std::string uhd_source_c::set_antenna( const std::string & antenna, size_t chan )
{
_src->set_antenna(antenna, chan);
return _src->get_antenna(chan);
}
std::string uhd_source_c::get_antenna( size_t chan )
{
return _src->get_antenna(chan);
}
void uhd_source_c::set_dc_offset_mode( int mode, size_t chan )
{
try {
if ( osmosdr::source::DCOffsetOff == mode ) {
_src->set_auto_dc_offset( false, chan );
_src->set_dc_offset( std::complex<double>(0.0, 0.0), chan ); /* uhd default */
} else if ( osmosdr::source::DCOffsetManual == mode ) {
_src->set_auto_dc_offset( false, chan );
} else if ( osmosdr::source::DCOffsetAutomatic == mode ) {
_src->set_auto_dc_offset( true, chan );
}
} catch ( const std::exception &ex ) {
std::cerr << __FUNCTION__ << ": " << ex.what() << std::endl;
}
}
void uhd_source_c::set_dc_offset( const std::complex<double> &offset, size_t chan )
{
try {
_src->set_dc_offset( offset, chan );
} catch ( const std::exception &ex ) {
std::cerr << __FUNCTION__ << ": " << ex.what() << std::endl;
}
}
void uhd_source_c::set_iq_balance_mode( int mode, size_t chan )
{
try {
if ( osmosdr::source::IQBalanceOff == mode ) {
_src->set_iq_balance( std::complex<double>(0.0, 0.0), chan ); /* uhd default */
} else if ( osmosdr::source::IQBalanceManual == mode ) {
/* nothing to do */
} else if ( osmosdr::source::IQBalanceAutomatic == mode ) {
throw std::runtime_error("Automatic IQ imbalance correction not implemented");
}
} catch ( const std::exception &ex ) {
std::cerr << __FUNCTION__ << ": " << ex.what() << std::endl;
}
}
void uhd_source_c::set_iq_balance( const std::complex<double> &balance, size_t chan )
{
try {
_src->set_iq_balance( balance, chan );
} catch ( const std::exception &ex ) {
std::cerr << __FUNCTION__ << ": " << ex.what() << std::endl;
}
}
double uhd_source_c::set_bandwidth( double bandwidth, size_t chan )
{
_src->set_bandwidth(bandwidth, chan);
return _src->get_bandwidth(chan);
}
double uhd_source_c::get_bandwidth( size_t chan )
{
return _src->get_bandwidth(chan);
}
osmosdr::freq_range_t uhd_source_c::get_bandwidth_range( size_t chan )
{
osmosdr::freq_range_t bandwidths;
for (uhd::range_t bw : _src->get_bandwidth_range(chan))
bandwidths += osmosdr::range_t( bw.start(), bw.stop(), bw.step() );
return bandwidths;
}
void uhd_source_c::set_time_source(const std::string &source, const size_t mboard)
{
_src->set_time_source( source, mboard );
}
std::string uhd_source_c::get_time_source(const size_t mboard)
{
return _src->get_time_source( mboard );
}
std::vector<std::string> uhd_source_c::get_time_sources(const size_t mboard)
{
return _src->get_time_sources( mboard );
}
void uhd_source_c::set_clock_source(const std::string &source, const size_t mboard)
{
_src->set_clock_source( source, mboard );
}
std::string uhd_source_c::get_clock_source(const size_t mboard)
{
return _src->get_clock_source( mboard );
}
std::vector<std::string> uhd_source_c::get_clock_sources(const size_t mboard)
{
return _src->get_clock_sources( mboard );
}
double uhd_source_c::get_clock_rate(size_t mboard)
{
return _src->get_clock_rate( mboard );
}
void uhd_source_c::set_clock_rate(double rate, size_t mboard)
{
_src->set_clock_rate( rate, mboard );
}
osmosdr::time_spec_t uhd_source_c::get_time_now(size_t mboard)
{
uhd::time_spec_t ts = _src->get_time_now( mboard );
return osmosdr::time_spec_t( ts.get_full_secs(), ts.get_frac_secs() );
}
osmosdr::time_spec_t uhd_source_c::get_time_last_pps(size_t mboard)
{
uhd::time_spec_t ts = _src->get_time_last_pps( mboard );
return osmosdr::time_spec_t( ts.get_full_secs(), ts.get_frac_secs() );
}
void uhd_source_c::set_time_now(const osmosdr::time_spec_t &time_spec, size_t mboard)
{
_src->set_time_now( uhd::time_spec_t( time_spec.get_full_secs(), time_spec.get_frac_secs() ), mboard );
}
void uhd_source_c::set_time_next_pps(const osmosdr::time_spec_t &time_spec)
{
_src->set_time_next_pps( uhd::time_spec_t( time_spec.get_full_secs(), time_spec.get_frac_secs() ) );
}
void uhd_source_c::set_time_unknown_pps(const osmosdr::time_spec_t &time_spec)
{
_src->set_time_unknown_pps( uhd::time_spec_t( time_spec.get_full_secs(), time_spec.get_frac_secs() ) );
}