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usrp_source_impl.h
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/* -*- c++ -*- */
/*
* Copyright 2010-2016 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#include "usrp_block_impl.h"
#include <gnuradio/uhd/usrp_source.h>
#include <uhd/convert.hpp>
#include <boost/thread/mutex.hpp>
static const pmt::pmt_t TIME_KEY = pmt::string_to_symbol("rx_time");
static const pmt::pmt_t RATE_KEY = pmt::string_to_symbol("rx_rate");
static const pmt::pmt_t FREQ_KEY = pmt::string_to_symbol("rx_freq");
namespace gr {
namespace uhd {
inline io_signature::sptr args_to_io_sig(const ::uhd::stream_args_t& args)
{
const size_t nchan = std::max<size_t>(args.channels.size(), 1);
const size_t size = ::uhd::convert::get_bytes_per_item(args.cpu_format);
return io_signature::make(nchan, nchan, size);
}
/***********************************************************************
* UHD Multi USRP Source Impl
**********************************************************************/
class usrp_source_impl : public usrp_source, public usrp_block_impl
{
public:
usrp_source_impl(const ::uhd::device_addr_t& device_addr,
const ::uhd::stream_args_t& stream_args,
const bool issue_stream_cmd_on_start = true);
~usrp_source_impl();
// Get Commands
::uhd::dict<std::string, std::string> get_usrp_info(size_t chan);
std::string get_subdev_spec(size_t mboard);
double get_samp_rate(void);
::uhd::meta_range_t get_samp_rates(void);
double get_center_freq(size_t chan);
::uhd::freq_range_t get_freq_range(size_t chan);
double get_gain(size_t chan);
double get_gain(const std::string& name, size_t chan);
double get_normalized_gain(size_t chan);
std::vector<std::string> get_gain_names(size_t chan);
::uhd::gain_range_t get_gain_range(size_t chan);
::uhd::gain_range_t get_gain_range(const std::string& name, size_t chan);
std::string get_antenna(size_t chan);
std::vector<std::string> get_antennas(size_t chan);
::uhd::sensor_value_t get_sensor(const std::string& name, size_t chan);
std::vector<std::string> get_sensor_names(size_t chan);
::uhd::usrp::dboard_iface::sptr get_dboard_iface(size_t chan);
std::vector<std::string> get_lo_names(size_t chan);
const std::string get_lo_source(const std::string& name, size_t chan);
std::vector<std::string> get_lo_sources(const std::string& name, size_t chan);
bool get_lo_export_enabled(const std::string& name, size_t chan);
double get_lo_freq(const std::string& name, size_t chan);
::uhd::freq_range_t get_lo_freq_range(const std::string& name, size_t chan);
// Set Commands
void set_subdev_spec(const std::string& spec, size_t mboard);
void set_samp_rate(double rate);
::uhd::tune_result_t set_center_freq(const ::uhd::tune_request_t tune_request,
size_t chan);
void set_gain(double gain, size_t chan);
void set_gain(double gain, const std::string& name, size_t chan);
void set_rx_agc(const bool enable, size_t chan);
void set_normalized_gain(double gain, size_t chan);
void set_antenna(const std::string& ant, size_t chan);
void set_bandwidth(double bandwidth, size_t chan);
double get_bandwidth(size_t chan);
::uhd::freq_range_t get_bandwidth_range(size_t chan);
void set_auto_dc_offset(const bool enable, size_t chan);
void set_dc_offset(const std::complex<double>& offset, size_t chan);
void set_auto_iq_balance(const bool enable, size_t chan);
void set_iq_balance(const std::complex<double>& correction, size_t chan);
void set_stream_args(const ::uhd::stream_args_t& stream_args);
void set_start_time(const ::uhd::time_spec_t& time);
void set_lo_source(const std::string& src,
const std::string& name = ALL_LOS,
size_t chan = 0);
void set_lo_export_enabled(bool enabled,
const std::string& name = ALL_LOS,
size_t chan = 0);
double set_lo_freq(double freq, const std::string& name, size_t chan);
void issue_stream_cmd(const ::uhd::stream_cmd_t& cmd);
void set_recv_timeout(const double timeout, const bool one_packet);
void flush(void);
bool start(void);
bool stop(void);
std::vector<std::complex<float>> finite_acquisition(const size_t nsamps);
std::vector<std::vector<std::complex<float>>>
finite_acquisition_v(const size_t nsamps);
int work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items);
void setup_rpc();
private:
//! Like set_center_freq(), but uses _curr_freq and _curr_lo_offset
::uhd::tune_result_t _set_center_freq_from_internals(size_t chan,
pmt::pmt_t direction);
void _cmd_handler_tag(const pmt::pmt_t& tag);
::uhd::rx_streamer::sptr _rx_stream;
size_t _samps_per_packet;
//! Timeout value for UHD's recv() call. Lower values mean lower latency.
double _recv_timeout;
//! one_packet value for UHD's recv() call. 'true' is lower latency.
bool _recv_one_packet;
bool _tag_now;
::uhd::rx_metadata_t _metadata;
pmt::pmt_t _id;
bool _issue_stream_cmd_on_start;
// tag shadows
double _samp_rate;
boost::recursive_mutex d_mutex;
};
} /* namespace uhd */
} /* namespace gr */