mirror of https://github.com/gnss-sdr/gnss-sdr
176 lines
6.5 KiB
C++
176 lines
6.5 KiB
C++
/*!
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* \file plutosdr_signal_source.cc
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* \brief Signal source for PlutoSDR
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* \author Rodrigo Muñoz, 2017, rmunozl(at)inacap.cl
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2019 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNSS-SDR is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include "plutosdr_signal_source.h"
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#include "GPS_L1_CA.h"
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#include "configuration_interface.h"
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#include "gnss_sdr_valve.h"
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#include <glog/logging.h>
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#include <iostream>
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#include <utility>
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PlutosdrSignalSource::PlutosdrSignalSource(ConfigurationInterface* configuration,
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const std::string& role, unsigned int in_stream, unsigned int out_stream,
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std::shared_ptr<Concurrent_Queue<pmt::pmt_t>> queue) : role_(role), in_stream_(in_stream), out_stream_(out_stream), queue_(std::move(queue))
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{
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std::string default_item_type = "gr_complex";
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std::string default_dump_file = "./data/signal_source.dat";
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uri_ = configuration->property(role + ".device_address", std::string("192.168.2.1"));
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freq_ = configuration->property(role + ".freq", GPS_L1_FREQ_HZ);
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sample_rate_ = configuration->property(role + ".sampling_frequency", 3000000);
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bandwidth_ = configuration->property(role + ".bandwidth", 2000000);
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buffer_size_ = configuration->property(role + ".buffer_size", 0xA0000);
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quadrature_ = configuration->property(role + ".quadrature", true);
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rf_dc_ = configuration->property(role + ".rf_dc", true);
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bb_dc_ = configuration->property(role + ".bb_dc", true);
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gain_mode_ = configuration->property(role + ".gain_mode", std::string("manual"));
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rf_gain_ = configuration->property(role + ".gain", 50.0);
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filter_file_ = configuration->property(role + ".filter_file", std::string(""));
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filter_auto_ = configuration->property(role + ".filter_auto", true);
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filter_source_ = configuration->property(role + ".filter_source", std::string("Off"));
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filter_filename_ = configuration->property(role + ".filter_filename", std::string(""));
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Fpass_ = configuration->property(role + ".Fpass", 0.0);
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Fstop_ = configuration->property(role + ".Fstop", 0.0);
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item_type_ = configuration->property(role + ".item_type", default_item_type);
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samples_ = configuration->property(role + ".samples", 0);
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dump_ = configuration->property(role + ".dump", false);
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dump_filename_ = configuration->property(role + ".dump_filename", default_dump_file);
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if (item_type_ != "gr_complex")
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{
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std::cout << "Configuration error: item_type must be gr_complex" << std::endl;
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LOG(FATAL) << "Configuration error: item_type must be gr_complex!";
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}
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item_size_ = sizeof(gr_complex);
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std::cout << "device address: " << uri_ << std::endl;
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std::cout << "frequency : " << freq_ << " Hz" << std::endl;
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std::cout << "sample rate: " << sample_rate_ << " Hz" << std::endl;
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std::cout << "gain mode: " << gain_mode_ << std::endl;
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std::cout << "item type: " << item_type_ << std::endl;
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#if GNURADIO_API_IIO
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plutosdr_source_ = gr::iio::pluto_source::make(uri_, freq_, sample_rate_,
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bandwidth_, buffer_size_, quadrature_, rf_dc_, bb_dc_,
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gain_mode_.c_str(), rf_gain_, filter_source_.c_str(),
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filter_filename_.c_str(), Fpass_, Fstop_);
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#else
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plutosdr_source_ = gr::iio::pluto_source::make(uri_, freq_, sample_rate_,
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bandwidth_, buffer_size_, quadrature_, rf_dc_, bb_dc_,
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gain_mode_.c_str(), rf_gain_, filter_file_.c_str(), filter_auto_);
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#endif
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if (samples_ != 0)
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{
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DLOG(INFO) << "Send STOP signal after " << samples_ << " samples";
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valve_ = gnss_sdr_make_valve(item_size_, samples_, queue_);
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DLOG(INFO) << "valve(" << valve_->unique_id() << ")";
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}
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if (dump_)
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{
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DLOG(INFO) << "Dumping output into file " << dump_filename_;
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file_sink_ = gr::blocks::file_sink::make(item_size_, dump_filename_.c_str());
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DLOG(INFO) << "file_sink(" << file_sink_->unique_id() << ")";
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}
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if (in_stream_ > 0)
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{
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LOG(ERROR) << "A signal source does not have an input stream";
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}
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if (out_stream_ > 1)
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{
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LOG(ERROR) << "This implementation only supports one output stream";
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}
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}
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void PlutosdrSignalSource::connect(gr::top_block_sptr top_block)
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{
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if (samples_ != 0)
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{
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top_block->connect(plutosdr_source_, 0, valve_, 0);
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DLOG(INFO) << "connected plutosdr source to valve";
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if (dump_)
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{
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top_block->connect(valve_, 0, file_sink_, 0);
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DLOG(INFO) << "connected valve to file sink";
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}
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}
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else
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{
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if (dump_)
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{
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top_block->connect(plutosdr_source_, 0, file_sink_, 0);
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DLOG(INFO) << "connected plutosdr source to file sink";
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}
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}
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}
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void PlutosdrSignalSource::disconnect(gr::top_block_sptr top_block)
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{
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if (samples_ != 0)
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{
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top_block->disconnect(plutosdr_source_, 0, valve_, 0);
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if (dump_)
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{
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top_block->disconnect(valve_, 0, file_sink_, 0);
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}
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}
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else
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{
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if (dump_)
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{
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top_block->disconnect(plutosdr_source_, 0, file_sink_, 0);
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}
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}
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}
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gr::basic_block_sptr PlutosdrSignalSource::get_left_block()
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{
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LOG(WARNING) << "Trying to get signal source left block.";
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return gr::basic_block_sptr();
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}
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gr::basic_block_sptr PlutosdrSignalSource::get_right_block()
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{
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if (samples_ != 0)
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{
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return valve_;
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}
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else
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{
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return plutosdr_source_;
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}
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}
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