mirror of https://github.com/gnss-sdr/gnss-sdr
282 lines
12 KiB
C++
282 lines
12 KiB
C++
/*!
|
|
* \file fmcomms2_signal_source.cc
|
|
* \brief Signal source for SDR hardware from Analog Devices based on
|
|
* fmcomms2 evaluation board.
|
|
* \author Rodrigo Muñoz, 2017, rmunozl(at)inacap.cl
|
|
*
|
|
* -------------------------------------------------------------------------
|
|
*
|
|
* Copyright (C) 2010-2019 (see AUTHORS file for a list of contributors)
|
|
*
|
|
* GNSS-SDR is a software defined Global Navigation
|
|
* Satellite Systems receiver
|
|
*
|
|
* This file is part of GNSS-SDR.
|
|
*
|
|
* GNSS-SDR 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 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GNSS-SDR 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 GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
* -------------------------------------------------------------------------
|
|
*/
|
|
|
|
#include "fmcomms2_signal_source.h"
|
|
#include "GPS_L1_CA.h"
|
|
#include "GPS_L2C.h"
|
|
#include "ad9361_manager.h"
|
|
#include "configuration_interface.h"
|
|
#include "gnss_sdr_valve.h"
|
|
#include <glog/logging.h>
|
|
#include <exception>
|
|
#include <iostream>
|
|
#include <utility>
|
|
|
|
|
|
Fmcomms2SignalSource::Fmcomms2SignalSource(ConfigurationInterface* configuration,
|
|
const std::string& role, unsigned int in_stream, unsigned int out_stream,
|
|
std::shared_ptr<Concurrent_Queue<pmt::pmt_t>> queue) : role_(role), in_stream_(in_stream), out_stream_(out_stream), queue_(std::move(queue))
|
|
{
|
|
std::string default_item_type = "gr_complex";
|
|
std::string default_dump_file = "./data/signal_source.dat";
|
|
uri_ = configuration->property(role + ".device_address", std::string("192.168.2.1"));
|
|
freq_ = configuration->property(role + ".freq", GPS_L1_FREQ_HZ);
|
|
sample_rate_ = configuration->property(role + ".sampling_frequency", 2600000);
|
|
bandwidth_ = configuration->property(role + ".bandwidth", 2000000);
|
|
rx1_en_ = configuration->property(role + ".rx1_enable", true);
|
|
rx2_en_ = configuration->property(role + ".rx2_enable", false);
|
|
buffer_size_ = configuration->property(role + ".buffer_size", 0xA0000);
|
|
quadrature_ = configuration->property(role + ".quadrature", true);
|
|
rf_dc_ = configuration->property(role + ".rf_dc", true);
|
|
bb_dc_ = configuration->property(role + ".bb_dc", true);
|
|
RF_channels_ = configuration->property(role + ".RF_channels", 1);
|
|
gain_mode_rx1_ = configuration->property(role + ".gain_mode_rx1", std::string("manual"));
|
|
gain_mode_rx2_ = configuration->property(role + ".gain_mode_rx2", std::string("manual"));
|
|
rf_gain_rx1_ = configuration->property(role + ".gain_rx1", 64.0);
|
|
rf_gain_rx2_ = configuration->property(role + ".gain_rx2", 64.0);
|
|
rf_port_select_ = configuration->property(role + ".rf_port_select", std::string("A_BALANCED"));
|
|
filter_file_ = configuration->property(role + ".filter_file", std::string(""));
|
|
filter_source_ = configuration->property(role + ".filter_source", std::string("Off"));
|
|
filter_filename_ = configuration->property(role + ".filter_filename", std::string(""));
|
|
Fpass_ = configuration->property(role + ".Fpass", 0.0);
|
|
Fstop_ = configuration->property(role + ".Fstop", 0.0);
|
|
filter_auto_ = configuration->property(role + ".filter_auto", true);
|
|
item_type_ = configuration->property(role + ".item_type", default_item_type);
|
|
samples_ = configuration->property(role + ".samples", 0);
|
|
dump_ = configuration->property(role + ".dump", false);
|
|
dump_filename_ = configuration->property(role + ".dump_filename", default_dump_file);
|
|
|
|
// AD9361 Local Oscillator generation for dual band operation
|
|
enable_dds_lo_ = configuration->property(role + ".enable_dds_lo", false);
|
|
freq_rf_tx_hz_ = configuration->property(role + ".freq_rf_tx_hz", GPS_L1_FREQ_HZ - GPS_L2_FREQ_HZ - 1000);
|
|
freq_dds_tx_hz_ = configuration->property(role + ".freq_dds_tx_hz", 1000);
|
|
scale_dds_dbfs_ = configuration->property(role + ".scale_dds_dbfs", 0.0);
|
|
phase_dds_deg_ = configuration->property(role + ".phase_dds_deg", 0.0);
|
|
tx_attenuation_db_ = configuration->property(role + ".tx_attenuation_db", 0.0);
|
|
|
|
item_size_ = sizeof(gr_complex);
|
|
|
|
std::cout << "device address: " << uri_ << std::endl;
|
|
std::cout << "LO frequency : " << freq_ << " Hz" << std::endl;
|
|
std::cout << "sample rate: " << sample_rate_ << " Hz" << std::endl;
|
|
|
|
if (item_type_ == "gr_complex")
|
|
{
|
|
if (RF_channels_ == 1)
|
|
{
|
|
if (rx1_en_ and rx2_en_)
|
|
{
|
|
LOG(FATAL) << "Configuration error: both rx1 and rx2 are enabled but RF_channels=1 !";
|
|
}
|
|
else
|
|
{
|
|
#if GNURADIO_API_IIO
|
|
fmcomms2_source_f32c_ = gr::iio::fmcomms2_source_f32c::make(
|
|
uri_.c_str(), freq_, sample_rate_,
|
|
bandwidth_,
|
|
rx1_en_, rx2_en_,
|
|
buffer_size_, quadrature_, rf_dc_,
|
|
bb_dc_, gain_mode_rx1_.c_str(), rf_gain_rx1_,
|
|
gain_mode_rx2_.c_str(), rf_gain_rx2_,
|
|
rf_port_select_.c_str(), filter_source_.c_str(),
|
|
filter_filename_.c_str(), Fpass_, Fstop_);
|
|
#else
|
|
fmcomms2_source_f32c_ = gr::iio::fmcomms2_source_f32c::make(
|
|
uri_.c_str(), freq_, sample_rate_,
|
|
bandwidth_,
|
|
rx1_en_, rx2_en_,
|
|
buffer_size_, quadrature_, rf_dc_,
|
|
bb_dc_, gain_mode_rx1_.c_str(), rf_gain_rx1_,
|
|
gain_mode_rx2_.c_str(), rf_gain_rx2_,
|
|
rf_port_select_.c_str(), filter_file_.c_str(),
|
|
filter_auto_);
|
|
#endif
|
|
// configure LO
|
|
if (enable_dds_lo_ == true)
|
|
{
|
|
std::cout << "Enabling Local Oscillator generator in FMCOMMS2\n";
|
|
config_ad9361_lo_remote(uri_,
|
|
bandwidth_,
|
|
sample_rate_,
|
|
freq_rf_tx_hz_,
|
|
tx_attenuation_db_,
|
|
freq_dds_tx_hz_,
|
|
scale_dds_dbfs_);
|
|
}
|
|
}
|
|
}
|
|
else if (RF_channels_ == 2)
|
|
{
|
|
if (!(rx1_en_ and rx2_en_))
|
|
{
|
|
LOG(FATAL) << "Configuration error: RF_channels=2 but are not enabled both receivers in FMCOMMS2 !";
|
|
}
|
|
else
|
|
{
|
|
#if GNURADIO_API_IIO
|
|
fmcomms2_source_f32c_ = gr::iio::fmcomms2_source_f32c::make(
|
|
uri_.c_str(), freq_, sample_rate_,
|
|
bandwidth_,
|
|
rx1_en_, rx2_en_,
|
|
buffer_size_, quadrature_, rf_dc_,
|
|
bb_dc_, gain_mode_rx1_.c_str(), rf_gain_rx1_,
|
|
gain_mode_rx2_.c_str(), rf_gain_rx2_,
|
|
rf_port_select_.c_str(), filter_source_.c_str(),
|
|
filter_filename_.c_str(), Fpass_, Fstop_);
|
|
#else
|
|
fmcomms2_source_f32c_ = gr::iio::fmcomms2_source_f32c::make(
|
|
uri_.c_str(), freq_, sample_rate_,
|
|
bandwidth_,
|
|
rx1_en_, rx2_en_,
|
|
buffer_size_, quadrature_, rf_dc_,
|
|
bb_dc_, gain_mode_rx1_.c_str(), rf_gain_rx1_,
|
|
gain_mode_rx2_.c_str(), rf_gain_rx2_,
|
|
rf_port_select_.c_str(), filter_file_.c_str(),
|
|
filter_auto_);
|
|
#endif
|
|
// configure LO
|
|
if (enable_dds_lo_ == true)
|
|
{
|
|
std::cout << "Enabling Local Oscillator generator in FMCOMMS2\n";
|
|
config_ad9361_lo_remote(uri_,
|
|
bandwidth_,
|
|
sample_rate_,
|
|
freq_rf_tx_hz_,
|
|
tx_attenuation_db_,
|
|
freq_dds_tx_hz_,
|
|
scale_dds_dbfs_);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LOG(FATAL) << "Configuration error: Unsupported number of RF_channels !";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LOG(FATAL) << "Configuration error: item type " << item_type_ << " not supported!";
|
|
}
|
|
|
|
if (samples_ != 0)
|
|
{
|
|
DLOG(INFO) << "Send STOP signal after " << samples_ << " samples";
|
|
valve_ = gnss_sdr_make_valve(item_size_, samples_, queue_);
|
|
DLOG(INFO) << "valve(" << valve_->unique_id() << ")";
|
|
}
|
|
|
|
if (dump_)
|
|
{
|
|
DLOG(INFO) << "Dumping output into file " << dump_filename_;
|
|
file_sink_ = gr::blocks::file_sink::make(item_size_, dump_filename_.c_str());
|
|
DLOG(INFO) << "file_sink(" << file_sink_->unique_id() << ")";
|
|
}
|
|
}
|
|
|
|
|
|
Fmcomms2SignalSource::~Fmcomms2SignalSource()
|
|
{
|
|
if (enable_dds_lo_ == true)
|
|
{
|
|
try
|
|
{
|
|
ad9361_disable_lo_remote(uri_);
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
LOG(WARNING) << "Exception thrown in Fmcomms2SignalSource destructor: " << e.what();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void Fmcomms2SignalSource::connect(gr::top_block_sptr top_block)
|
|
{
|
|
if (samples_ != 0)
|
|
{
|
|
top_block->connect(fmcomms2_source_f32c_, 0, valve_, 0);
|
|
DLOG(INFO) << "connected fmcomms2 source to valve";
|
|
if (dump_)
|
|
{
|
|
top_block->connect(valve_, 0, file_sink_, 0);
|
|
DLOG(INFO) << "connected valve to file sink";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (dump_)
|
|
{
|
|
top_block->connect(fmcomms2_source_f32c_, 0, file_sink_, 0);
|
|
DLOG(INFO) << "connected fmcomms2 source to file sink";
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void Fmcomms2SignalSource::disconnect(gr::top_block_sptr top_block)
|
|
{
|
|
if (samples_ != 0)
|
|
{
|
|
top_block->disconnect(fmcomms2_source_f32c_, 0, valve_, 0);
|
|
if (dump_)
|
|
{
|
|
top_block->disconnect(valve_, 0, file_sink_, 0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (dump_)
|
|
{
|
|
top_block->disconnect(fmcomms2_source_f32c_, 0, file_sink_, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
gr::basic_block_sptr Fmcomms2SignalSource::get_left_block()
|
|
{
|
|
LOG(WARNING) << "Trying to get signal source left block.";
|
|
return gr::basic_block_sptr();
|
|
}
|
|
|
|
|
|
gr::basic_block_sptr Fmcomms2SignalSource::get_right_block()
|
|
{
|
|
if (samples_ != 0)
|
|
{
|
|
return valve_;
|
|
}
|
|
else
|
|
{
|
|
return (fmcomms2_source_f32c_);
|
|
}
|
|
}
|