2017-10-29 05:51:22 +00:00
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/*!
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2018-05-19 18:34:50 +00:00
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* \file fmcomms2_signal_source.cc
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* \brief Signal source for SDR hardware from Analog Devices based on
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2017-10-29 05:51:22 +00:00
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* fmcomms2 evaluation board.
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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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2018-05-13 20:49:11 +00:00
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* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
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2017-10-29 05:51:22 +00:00
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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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2018-05-13 20:49:11 +00:00
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* along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
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2017-10-29 05:51:22 +00:00
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*
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* -------------------------------------------------------------------------
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*/
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#include "fmcomms2_signal_source.h"
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#include "GPS_L1_CA.h"
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2018-03-27 17:35:53 +00:00
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#include "GPS_L2C.h"
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2018-12-09 21:00:09 +00:00
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#include "ad9361_manager.h"
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#include "configuration_interface.h"
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#include "gnss_sdr_valve.h"
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2018-02-26 02:15:53 +00:00
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#include <glog/logging.h>
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#include <exception>
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#include <iostream>
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#include <utility>
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2018-02-26 02:15:53 +00:00
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2017-10-29 05:51:22 +00:00
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using google::LogMessage;
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Fmcomms2SignalSource::Fmcomms2SignalSource(ConfigurationInterface* configuration,
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std::string role, unsigned int in_stream, unsigned int out_stream,
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boost::shared_ptr<gr::msg_queue> 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", 2600000);
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bandwidth_ = configuration->property(role + ".bandwidth", 2000000);
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rx1_en_ = configuration->property(role + ".rx1_enable", true);
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rx2_en_ = configuration->property(role + ".rx2_enable", false);
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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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RF_channels_ = configuration->property(role + ".RF_channels", 1);
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gain_mode_rx1_ = configuration->property(role + ".gain_mode_rx1", std::string("manual"));
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gain_mode_rx2_ = configuration->property(role + ".gain_mode_rx2", std::string("manual"));
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rf_gain_rx1_ = configuration->property(role + ".gain_rx1", 64.0);
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rf_gain_rx2_ = configuration->property(role + ".gain_rx2", 64.0);
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rf_port_select_ = configuration->property(role + ".rf_port_select", std::string("A_BALANCED"));
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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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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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2018-05-19 18:34:50 +00:00
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// AD9361 Local Oscillator generation for dual band operation
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enable_dds_lo_ = configuration->property(role + ".enable_dds_lo", false);
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freq_rf_tx_hz_ = configuration->property(role + ".freq_rf_tx_hz", GPS_L1_FREQ_HZ - GPS_L2_FREQ_HZ - 1000);
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freq_dds_tx_hz_ = configuration->property(role + ".freq_dds_tx_hz", 1000);
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scale_dds_dbfs_ = configuration->property(role + ".scale_dds_dbfs", 0.0);
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phase_dds_deg_ = configuration->property(role + ".phase_dds_deg", 0.0);
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tx_attenuation_db_ = configuration->property(role + ".tx_attenuation_db", 0.0);
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2018-03-27 17:35:53 +00:00
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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 << "LO frequency : " << freq_ << " Hz" << std::endl;
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std::cout << "sample rate: " << sample_rate_ << " Hz" << std::endl;
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2017-10-29 05:51:22 +00:00
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2018-12-10 18:29:00 +00:00
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if (item_type_ == "gr_complex")
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{
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if (RF_channels_ == 1)
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{
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2018-03-27 19:10:31 +00:00
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if (rx1_en_ and rx2_en_)
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{
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LOG(FATAL) << "Configuration error: both rx1 and rx2 are enabled but RF_channels=1 !";
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}
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else
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{
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fmcomms2_source_f32c_ = gr::iio::fmcomms2_source_f32c::make(
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uri_.c_str(), freq_, sample_rate_,
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bandwidth_,
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rx1_en_, rx2_en_,
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buffer_size_, quadrature_, rf_dc_,
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bb_dc_, gain_mode_rx1_.c_str(), rf_gain_rx1_,
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gain_mode_rx2_.c_str(), rf_gain_rx2_,
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rf_port_select_.c_str(), filter_file_.c_str(),
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filter_auto_);
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2018-05-19 18:34:50 +00:00
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// configure LO
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2018-03-27 19:10:31 +00:00
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if (enable_dds_lo_ == true)
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{
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std::cout << "Enabling Local Oscillator generator in FMCOMMS2\n";
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config_ad9361_lo_remote(uri_,
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bandwidth_,
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sample_rate_,
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freq_rf_tx_hz_,
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tx_attenuation_db_,
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freq_dds_tx_hz_,
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scale_dds_dbfs_);
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}
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}
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}
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else if (RF_channels_ == 2)
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{
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if (!(rx1_en_ and rx2_en_))
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{
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LOG(FATAL) << "Configuration error: RF_channels=2 but are not enabled both receivers in FMCOMMS2 !";
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}
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else
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{
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fmcomms2_source_f32c_ = gr::iio::fmcomms2_source_f32c::make(
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uri_.c_str(), freq_, sample_rate_,
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bandwidth_,
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rx1_en_, rx2_en_,
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buffer_size_, quadrature_, rf_dc_,
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bb_dc_, gain_mode_rx1_.c_str(), rf_gain_rx1_,
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gain_mode_rx2_.c_str(), rf_gain_rx2_,
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rf_port_select_.c_str(), filter_file_.c_str(),
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filter_auto_);
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// configure LO
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if (enable_dds_lo_ == true)
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{
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std::cout << "Enabling Local Oscillator generator in FMCOMMS2\n";
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config_ad9361_lo_remote(uri_,
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bandwidth_,
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sample_rate_,
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freq_rf_tx_hz_,
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tx_attenuation_db_,
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freq_dds_tx_hz_,
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scale_dds_dbfs_);
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}
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}
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}
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else
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{
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LOG(FATAL) << "Configuration error: Unsupported number of RF_channels !";
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}
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}
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else
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{
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2017-11-04 09:59:51 +00:00
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LOG(FATAL) << "Configuration error: item type " << item_type_ << " not supported!";
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}
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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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}
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2017-10-30 21:31:20 +00:00
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2017-10-29 05:51:22 +00:00
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Fmcomms2SignalSource::~Fmcomms2SignalSource()
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2018-03-03 01:03:39 +00:00
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{
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2018-03-27 19:10:31 +00:00
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if (enable_dds_lo_ == true)
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{
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2018-05-19 18:34:50 +00:00
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try
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{
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ad9361_disable_lo_remote(uri_);
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}
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catch (const std::exception& e)
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{
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LOG(WARNING) << "Exception thrown in Fmcomms2SignalSource destructor: " << e.what();
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}
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2018-03-27 19:10:31 +00:00
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}
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2018-03-03 01:03:39 +00:00
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}
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2017-10-29 05:51:22 +00:00
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void Fmcomms2SignalSource::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(fmcomms2_source_f32c_, 0, valve_, 0);
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DLOG(INFO) << "connected fmcomms2 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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2017-10-29 05:51:22 +00:00
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else
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{
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if (dump_)
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{
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2018-03-03 01:03:39 +00:00
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top_block->connect(fmcomms2_source_f32c_, 0, file_sink_, 0);
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DLOG(INFO) << "connected fmcomms2 source to file sink";
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}
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}
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}
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void Fmcomms2SignalSource::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(fmcomms2_source_f32c_, 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(fmcomms2_source_f32c_, 0, file_sink_, 0);
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2017-10-29 05:51:22 +00:00
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}
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}
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}
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gr::basic_block_sptr Fmcomms2SignalSource::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 Fmcomms2SignalSource::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 (fmcomms2_source_f32c_);
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}
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}
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