mirror of https://github.com/gnss-sdr/gnss-sdr
223 lines
9.1 KiB
C++
223 lines
9.1 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, rodrigo.munoz(at)proteinlab.cl
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*
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*
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* -----------------------------------------------------------------------------
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*
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* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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* This file is part of GNSS-SDR.
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*
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* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
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* SPDX-License-Identifier: GPL-3.0-or-later
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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_string_literals.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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using namespace std::string_literals;
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PlutosdrSignalSource::PlutosdrSignalSource(const ConfigurationInterface* configuration,
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const std::string& role, unsigned int in_stream, unsigned int out_stream,
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Concurrent_Queue<pmt::pmt_t>* queue)
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: SignalSourceBase(configuration, role, "Plutosdr_Signal_Source"s), in_stream_(in_stream), out_stream_(out_stream)
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{
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const std::string default_item_type("gr_complex");
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const std::string default_dump_file("./data/signal_source.dat");
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const std::string default_gain_mode("slow_attack");
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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", static_cast<uint64_t>(GPS_L1_FREQ_HZ));
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sample_rate_ = configuration->property(role + ".sampling_frequency", static_cast<uint64_t>(3000000));
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bandwidth_ = configuration->property(role + ".bandwidth", static_cast<uint64_t>(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", default_gain_mode);
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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", false);
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if (filter_auto_)
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{
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filter_source_ = configuration->property(role + ".filter_source", std::string("Auto"));
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}
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else
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{
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filter_source_ = configuration->property(role + ".filter_source", std::string("Off"));
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}
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filter_filename_ = configuration->property(role + ".filter_filename", filter_file_);
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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", static_cast<int64_t>(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\n";
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LOG(FATAL) << "Configuration error: item_type must be gr_complex!";
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}
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// basic check
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if ((gain_mode_ != "manual") and (gain_mode_ != "slow_attack") and (gain_mode_ != "fast_attack") and (gain_mode_ != "hybrid"))
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{
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std::cout << "Configuration parameter gain_mode should take one of these values:\n";
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std::cout << " manual, slow_attack, fast_attack, hybrid\n";
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std::cout << "Error: provided value gain_mode=" << gain_mode_ << " is not among valid values\n";
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std::cout << " This parameter has been set to its default value gain_mode=" << default_gain_mode << '\n';
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gain_mode_ = default_gain_mode;
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LOG(WARNING) << "Invalid configuration value for gain_mode parameter. Set to gain_mode=" << default_gain_mode;
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}
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if (gain_mode_ == "manual")
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{
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if (rf_gain_ > 73.0 or rf_gain_ < -1.0)
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{
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std::cout << "Configuration parameter rf_gain should take values between -1.0 and 73 dB\n";
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std::cout << "Error: provided value rf_gain=" << rf_gain_ << " is not among valid values\n";
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std::cout << " This parameter has been set to its default value rf_gain=64.0\n";
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rf_gain_ = 64.0;
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LOG(WARNING) << "Invalid configuration value for rf_gain parameter. Set to rf_gain=64.0";
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}
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}
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if ((filter_source_ != "Off") and (filter_source_ != "Auto") and (filter_source_ != "File") and (filter_source_ != "Design"))
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{
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std::cout << "Configuration parameter filter_source should take one of these values:\n";
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std::cout << " Off: Disable filter\n";
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std::cout << " Auto: Use auto-generated filters\n";
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std::cout << " File: User-provided filter in filter_filename parameter\n";
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#if LIBAD9361_VERSION_GREATER_THAN_01
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std::cout << " Design: Create filter from Fpass, Fstop, sampling_frequency and bandwidth parameters\n";
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#endif
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std::cout << "Error: provided value filter_source=" << filter_source_ << " is not among valid values\n";
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std::cout << " This parameter has been set to its default value filter_source=Off\n";
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filter_source_ = std::string("Off");
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LOG(WARNING) << "Invalid configuration value for filter_source parameter. Set to filter_source=Off";
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}
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if (bandwidth_ < 200000 or bandwidth_ > 56000000)
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{
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std::cout << "Configuration parameter bandwidth should take values between 200000 and 56000000 Hz\n";
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std::cout << "Error: provided value bandwidth=" << bandwidth_ << " is not among valid values\n";
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std::cout << " This parameter has been set to its default value bandwidth=2000000\n";
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bandwidth_ = 2000000;
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LOG(WARNING) << "Invalid configuration value for bandwidth parameter. Set to bandwidth=2000000";
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}
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item_size_ = sizeof(gr_complex);
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std::cout << "device address: " << uri_ << '\n';
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std::cout << "frequency : " << freq_ << " Hz\n";
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std::cout << "sample rate: " << sample_rate_ << " Hz\n";
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std::cout << "gain mode: " << gain_mode_ << '\n';
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std::cout << "item type: " << item_type_ << '\n';
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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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