mirror of
https://github.com/gnss-sdr/gnss-sdr
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New signal source for real-time operation with Universal Hardware Driver (UHD) devices. RF Real-time milestone reached!!
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@180 64b25241-fba3-4117-9849-534c7e92360d
This commit is contained in:
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@ -3,24 +3,32 @@
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;######### GLOBAL OPTIONS ##################
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;internal_fs_hz: Internal signal sampling frequency after the signal conditioning stage [Hz].
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GNSS-SDR.internal_fs_hz=2048000
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GNSS-SDR.internal_fs_hz=2000000
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;######### CONTROL_THREAD CONFIG ############
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ControlThread.wait_for_flowgraph=false
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;######### SIGNAL_SOURCE CONFIG ############
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;#implementation: Use only File_Signal_Source in this version
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SignalSource.implementation=File_Signal_Source
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;#implementation: Use File_Signal_Source or UHD_Signal_Source (experimental)
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SignalSource.implementation=UHD_Signal_Source
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;#filename: path to file with the captured GNSS signal samples to be processed
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SignalSource.filename=/home/luis/Project/signals/cap2/agilent_cap2.dat
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;SignalSource.filename=/media/My Passport/spirent scenario 2/data/sc2_d8.dat
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SignalSource.filename=/media/DATALOGGER/signals/Agilent GPS Generator/cap2/agilent_cap2.dat
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;#item_type: Type and resolution for each of the signal samples. Use only gr_complex in this version.
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SignalSource.item_type=gr_complex
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;#sampling_frequency: Original Signal sampling frequency in [Hz]
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SignalSource.sampling_frequency=4000000
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SignalSource.sampling_frequency=2000000
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;#freq: RF front-end center frequency in [Hz]
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SignalSource.freq=1575420000
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;#gain: Front-end Gain in [dB]
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SignalSource.gain=50
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;#subdevice: UHD subdevice specification (for USRP1 use A:0 or B:0)
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SignalSource.subdevice=B:0
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;#samples: Number of samples to be processed. Notice that 0 indicates the entire file.
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SignalSource.samples=0
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@ -35,10 +43,11 @@ SignalSource.dump=false
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; it helps to not overload the CPU, but the processing time will be longer.
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SignalSource.enable_throttle_control=false
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;######### SIGNAL_CONDITIONER CONFIG ############
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;## It holds blocks to change data type, filter and resample input data.
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;#implementation: Pass_Through disables this block
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SignalConditioner.implementation=Signal_Conditioner
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SignalConditioner.implementation=Pass_Through
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;######### DATA_TYPE_ADAPTER CONFIG ############
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;## Changes the type of input data. Please disable it in this version.
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@ -122,16 +131,16 @@ InputFilter.dump=../data/resampler.dat
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Resampler.item_type=gr_complex
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;#sample_freq_in: the sample frequency of the input signal
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Resampler.sample_freq_in=4000000
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Resampler.sample_freq_in=2000000
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;#sample_freq_out: the desired sample frequency of the output signal
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Resampler.sample_freq_out=2048000
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Resampler.sample_freq_out=2000000
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;######### CHANNELS GLOBAL CONFIG ############
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;#count: Number of available satellite channels.
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Channels.count=4
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Channels.in_acquisition=2
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Channels.count=6
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Channels.in_acquisition=1
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;######### CHANNEL 0 CONFIG ############
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;#system: GPS, GLONASS, GALILEO, SBAS or COMPASS
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@ -340,9 +349,6 @@ Tracking.early_late_space_chips=0.5;
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;#implementation: Use [GPS_L1_CA_Telemetry_Decoder] for GPS L1 C/A.
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TelemetryDecoder.implementation=GPS_L1_CA_Telemetry_Decoder
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;#fs_in: Signal sampling frequency in [Hz]
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TelemetryDecoder.fs_in=4000000
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;######### OBSERVABLES CONFIG ############
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;#implementation: Use [GPS_L1_CA_Observables] for GPS L1 C/A.
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Observables.implementation=GPS_L1_CA_Observables
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@ -13,6 +13,8 @@ lib gtest
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lib glog ;
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lib gflags ;
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lib gnuradio-core ;
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lib uhd ;
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lib gnuradio-uhd ;
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project : requirements
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<define>OMNITHREAD_POSIX
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@ -55,6 +57,7 @@ project : requirements
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<include>$GNURADIO_ROOT/gnuradio-core/src/lib/io
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<include>$GNURADIO_ROOT/gnuradio-core/src/lib/general
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<include>$GNURADIO_ROOT/gnuradio-core/src/lib/gengen
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<include>$GNURADIO_ROOT/gr-uhd/include
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<include>$GNURADIO_ROOT/volk/lib
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<include>$(GTEST_DIR)/include
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<threading>multi
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@ -1,5 +1,6 @@
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project : build-dir ../../../../build ;
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obj file_signal_source : file_signal_source.cc ;
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obj uhd_signal_source : uhd_signal_source.cc ;
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#obj usrp1_signal_source : usrp1_signal_source.cc ;
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232
src/algorithms/signal_source/adapters/uhd_signal_source.cc
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232
src/algorithms/signal_source/adapters/uhd_signal_source.cc
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@ -0,0 +1,232 @@
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/*!
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* \file uhd_signal_source.cc
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* \brief Universal Hardware Driver signal source
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* \author Javier Arribas, 2012. jarribas(at)cttc.es
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*
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* Detailed description of the file here if needed.
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2012 (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 <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include "uhd_signal_source.h"
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//#include <uhd/usrp/multi_usrp.hpp>
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#include <gnuradio/gr_uhd_usrp_source.h>
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#include <uhd/types/device_addr.hpp>
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#include <uhd/exception.hpp>
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#include <boost/program_options.hpp>
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#include <gnuradio/gr_file_sink.h>
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#include "configuration_interface.h"
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#include "gnss_sdr_valve.h"
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#include <glog/log_severity.h>
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#include <glog/logging.h>
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#include <iostream>
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using google::LogMessage;
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UhdSignalSource::UhdSignalSource(ConfigurationInterface* configuration,
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std::string role, unsigned int in_stream, unsigned int out_stream,
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gr_msg_queue_sptr queue) :
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role_(role), in_stream_(in_stream), out_stream_(out_stream),
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queue_(queue)
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{
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// DUMP PARAMETERS
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std::string empty = "";
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std::string default_dump_file = "./data/signal_source.dat";
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std::string default_item_type = "short";
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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",
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default_dump_file);
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// UHD PARAMETERS
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uhd::device_addr_t dev_addr;
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device_address_= configuration->property(role + ".device_address",empty);
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if (empty.compare(empty)!=0)
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{
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dev_addr["addr0"]=device_address_;
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}
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subdevice_=configuration->property(role + ".subdevice",empty);
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freq_ = configuration->property(role + ".freq", (double)1.57542e9);
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gain_ = configuration->property(role + ".gain", (double)50.0);
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sample_rate_ = configuration->property(role + ".sampling_frequency", (double)4.0e6);
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IF_bandwidth_hz_ = configuration->property(role + ".IF_bandwidth_hz", sample_rate_/2);
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item_type_ = configuration->property(role + ".item_type",
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default_item_type);
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if (item_type_.compare("short") == 0)
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{
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item_size_ = sizeof(short);
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}
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else if (item_type_.compare("gr_complex") == 0)
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{
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// 1. Make the uhd driver instance
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//uhd_source_= uhd::usrp::multi_usrp::make(dev_addr);
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// sigle source
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// * \param device_addr the address to identify the hardware
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// * \param io_type the desired output data type
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uhd_source_= uhd_make_usrp_source(dev_addr,uhd::stream_args_t("fc32"));
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// 2.1 set sampling clock reference
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//Lock mboard clocks internal, external, or mimo
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std::string clk_reference="internal";
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uhd_source_->set_clock_source(clk_reference);
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// 2.2 set sampling rate
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uhd_source_->set_samp_rate(sample_rate_);
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std::cout << boost::format("Actual RX Rate: %f [SPS]...") % (uhd_source_->get_samp_rate()) << std::endl << std::endl;
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DLOG(INFO) << boost::format("Actual RX Rate: %f [SPS]...") % (uhd_source_->get_samp_rate()) << std::endl << std::endl;
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// 3. set rx frequency
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uhd_source_->set_center_freq(freq_);
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std::cout << boost::format("Actual RX Freq: %f [Hz]...") % (uhd_source_->get_center_freq()) << std::endl << std::endl;
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DLOG(INFO) << boost::format("Actual RX Freq: %f [Hz]...") % (uhd_source_->get_center_freq()) << std::endl << std::endl;
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// 4. set rx gain
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uhd_source_->set_gain(gain_);
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std::cout << boost::format("Actual RX Gain: %f dB...") % uhd_source_->get_gain() << std::endl << std::endl;
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DLOG(INFO) << boost::format("Actual RX Gain: %f dB...") % uhd_source_->get_gain() << std::endl << std::endl;
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//5. set the IF filter bandwidth
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std::cout << boost::format("Setting RX Bandwidth: %f [Hz]...") % IF_bandwidth_hz_ << std::endl;
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uhd_source_->set_bandwidth(IF_bandwidth_hz_);
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///std::cout << boost::format("Actual RX Bandwidth: %f MHz...") % uhd_source_->get_rx_bandwidth() << std::endl << std::endl;
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//DLOG(INFO) << boost::format("Actual RX Bandwidth: %f MHz...") % uhd_source_->get_rx_bandwidth() << std::endl << std::endl;
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//set the antenna (optional)
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//uhd_source_->set_antenna(ant);
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//LO lock status
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//Check Ref and LO Lock detect
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//std::vector<std::string> sensor_names;
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//sensor_names = uhd_source_->get_rx_sensor_names(0);
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//if (std::find(sensor_names.begin(), sensor_names.end(), "lo_locked") != sensor_names.end()) {
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// uhd::sensor_value_t lo_locked = uhd_source_->get_rx_sensor("lo_locked",0);
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// std::cout << boost::format("Checking RX: %s ...") % lo_locked.to_pp_string() << std::endl;
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//UHD_ASSERT_THROW(lo_locked.to_bool());
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//}
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uhd_source_->set_subdev_spec(subdevice_);
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}
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else
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{
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LOG_AT_LEVEL(WARNING) << item_type_
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<< " unrecognized item type. Using short.";
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item_size_ = sizeof(short);
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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_make_file_sink(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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UhdSignalSource::~UhdSignalSource()
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{
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}
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void UhdSignalSource::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(uhd_source_, 0, valve_, 0);
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DLOG(INFO) << "connected usrp 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(uhd_source_, 0, file_sink_, 0);
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DLOG(INFO) << "connected usrp source to file sink";
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}
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}
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}
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void UhdSignalSource::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(uhd_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(uhd_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 UhdSignalSource::get_left_block()
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{
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LOG_AT_LEVEL(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 UhdSignalSource::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 uhd_source_;
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}
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}
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107
src/algorithms/signal_source/adapters/uhd_signal_source.h
Normal file
107
src/algorithms/signal_source/adapters/uhd_signal_source.h
Normal file
@ -0,0 +1,107 @@
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/*!
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* \file uhd_signal_source.h
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* \brief Universal Hardware Driver signal source
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* \author Javier Arribas, 2012. jarribas(at)cttc.es
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*
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* Detailed description of the file here if needed.
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2012 (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
|
||||
* 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.
|
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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 <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#ifndef UHD_SIGNAL_SOURCE_H_
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#define UHD_SIGNAL_SOURCE_H_
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#include <boost/shared_ptr.hpp>
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//#include <uhd/usrp/multi_usrp.hpp>
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#include <gnuradio/gr_uhd_usrp_source.h>
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#include <gnuradio/gr_hier_block2.h>
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#include <gnuradio/gr_msg_queue.h>
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#include "gnss_block_interface.h"
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class ConfigurationInterface;
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class UhdSignalSource: public GNSSBlockInterface
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{
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public:
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UhdSignalSource(ConfigurationInterface* configuration,
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std::string role, unsigned int in_stream,
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unsigned int out_stream, gr_msg_queue_sptr queue);
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virtual ~UhdSignalSource();
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std::string role()
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{
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return role_;
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}
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std::string implementation()
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{
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return "UhdSignalSource";
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}
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size_t item_size()
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{
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return item_size_;
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}
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void connect(gr_top_block_sptr top_block);
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void disconnect(gr_top_block_sptr top_block);
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gr_basic_block_sptr get_left_block();
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gr_basic_block_sptr get_right_block();
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private:
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std::string role_;
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// UHD SETTINGS
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std::string device_address_;
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std::string subdevice_;
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double sample_rate_;
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unsigned int in_stream_;
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unsigned int out_stream_;
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double freq_;
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double gain_;
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double IF_bandwidth_hz_;
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std::string item_type_;
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size_t item_size_;
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long samples_;
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bool dump_;
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std::string dump_filename_;
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//uhd::usrp::multi_usrp::sptr uhd_source_;
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//boost::shared_ptr<uhd_usrp_source>
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boost::shared_ptr<uhd_usrp_source> uhd_source_;
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gr_block_sptr valve_;
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gr_block_sptr file_sink_;
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gr_msg_queue_sptr queue_;
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};
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#endif /*UHD_SIGNAL_SOURCE_H_*/
|
@ -47,7 +47,7 @@
|
||||
#include "null_sink_output_filter.h"
|
||||
#include "file_output_filter.h"
|
||||
#include "channel.h"
|
||||
//#include "usrp1_signal_source.h"
|
||||
#include "uhd_signal_source.h"
|
||||
#include "signal_conditioner.h"
|
||||
#include "direct_resampler_conditioner.h"
|
||||
#include "fir_filter.h"
|
||||
@ -250,13 +250,11 @@ GNSSBlockInterface* GNSSBlockFactory::GetBlock(
|
||||
out_streams, queue);
|
||||
}
|
||||
|
||||
// else if (implementation.compare("USRP1_Signal_Source") == 0)
|
||||
// {
|
||||
// block = new Usrp1SignalSource(configuration, role, in_streams,
|
||||
// out_streams, queue);
|
||||
// }
|
||||
|
||||
//! \todo Create a UHD block
|
||||
else if (implementation.compare("UHD_Signal_Source") == 0)
|
||||
{
|
||||
block = new UhdSignalSource(configuration, role, in_streams,
|
||||
out_streams, queue);
|
||||
}
|
||||
|
||||
// DATA TYPE ADAPTER -----------------------------------------------------------
|
||||
|
||||
|
@ -25,7 +25,7 @@ exe gnss-sdr : main.cc
|
||||
../algorithms/resampler/gnuradio_blocks//direct_resampler_conditioner_cc
|
||||
#../algorithms/resampler/gnuradio_blocks//direct_resampler_conditioner_ss
|
||||
../algorithms/signal_source/adapters//file_signal_source
|
||||
#../algorithms/signal_source/adapters//usrp1_signal_source
|
||||
../algorithms/signal_source/adapters//uhd_signal_source
|
||||
../algorithms/telemetry_decoder/adapters//gps_l1_ca_telemetry_decoder
|
||||
../algorithms/telemetry_decoder/gnuradio_blocks//gps_l1_ca_telemetry_decoder_cc
|
||||
../algorithms/telemetry_decoder/libs//gps_l1_ca_subframe_fsm
|
||||
@ -57,7 +57,9 @@ exe gnss-sdr : main.cc
|
||||
../core/system_parameters//gnss_synchro
|
||||
../..//gflags
|
||||
../..//glog
|
||||
../..//gnuradio-core ;
|
||||
../..//gnuradio-core
|
||||
../..//uhd
|
||||
../..//gnuradio-uhd ;
|
||||
#../..//gnuradio-usrp ;
|
||||
|
||||
install ../../install : gnss-sdr ;
|
||||
|
@ -26,7 +26,7 @@ exe run_tests : test_main.cc
|
||||
../algorithms/resampler/gnuradio_blocks//direct_resampler_conditioner_cc
|
||||
#../algorithms/resampler/gnuradio_blocks//direct_resampler_conditioner_ss
|
||||
../algorithms/signal_source/adapters//file_signal_source
|
||||
#../algorithms/signal_source/adapters//usrp1_signal_source
|
||||
../algorithms/signal_source/adapters//uhd_signal_source
|
||||
../algorithms/telemetry_decoder/adapters//gps_l1_ca_telemetry_decoder
|
||||
../algorithms/telemetry_decoder/gnuradio_blocks//gps_l1_ca_telemetry_decoder_cc
|
||||
../algorithms/telemetry_decoder/libs//gps_l1_ca_subframe_fsm
|
||||
@ -59,6 +59,8 @@ exe run_tests : test_main.cc
|
||||
../..//gflags
|
||||
../..//glog
|
||||
../..//gnuradio-core
|
||||
../..//uhd
|
||||
../..//gnuradio-uhd
|
||||
../..//gtest : <include>$(GTEST_DIR)/include ;
|
||||
|
||||
install ../../install : run_tests ;
|
||||
|
Loading…
Reference in New Issue
Block a user