mirror of https://github.com/gnss-sdr/gnss-sdr
230 lines
6.6 KiB
C++
230 lines
6.6 KiB
C++
/*!
|
|
* \file galileo_e1_pcps_ambiguous_acquisition.cc
|
|
* \brief Adapts a PCPS acquisition block to an AcquisitionInterface for
|
|
* Galileo E1 Signals
|
|
* \author Luis Esteve, 2012. luis(at)epsilon-formacion.com
|
|
*
|
|
* -------------------------------------------------------------------------
|
|
*
|
|
* Copyright (C) 2010-2011 (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 <http://www.gnu.org/licenses/>.
|
|
*
|
|
* -------------------------------------------------------------------------
|
|
*/
|
|
|
|
#include "galileo_e1_pcps_ambiguous_acquisition.h"
|
|
#include "galileo_e1_signal_processing.h"
|
|
#include "Galileo_E1.h"
|
|
#include "configuration_interface.h"
|
|
#include <iostream>
|
|
#include <string>
|
|
#include <boost/lexical_cast.hpp>
|
|
#include <gnuradio/gr_io_signature.h>
|
|
#include <gnuradio/gr_stream_to_vector.h>
|
|
#include <gnuradio/gr_vector_to_stream.h>
|
|
#include <gnuradio/gr_complex_to_interleaved_short.h>
|
|
#include <gnuradio/gr_interleaved_short_to_complex.h>
|
|
#include <glog/log_severity.h>
|
|
#include <glog/logging.h>
|
|
|
|
using google::LogMessage;
|
|
|
|
GalileoE1PcpsAmbiguousAcquisition::GalileoE1PcpsAmbiguousAcquisition(
|
|
ConfigurationInterface* configuration, std::string role,
|
|
unsigned int in_streams, unsigned int out_streams,
|
|
gr_msg_queue_sptr queue) :
|
|
role_(role), in_streams_(in_streams), out_streams_(out_streams), queue_(queue)
|
|
{
|
|
|
|
configuration_ = configuration;
|
|
std::string default_item_type = "gr_complex";
|
|
std::string default_dump_filename = "../data/acquisition.dat";
|
|
|
|
DLOG(INFO) << "role " << role;
|
|
|
|
item_type_ = configuration->property(role + ".item_type",
|
|
default_item_type);
|
|
|
|
fs_in_ = configuration_->property("GNSS-SDR.internal_fs_hz", 4000000);
|
|
if_ = configuration_->property(role + ".ifreq", 0);
|
|
dump_ = configuration_->property(role + ".dump", false);
|
|
shift_resolution_ = configuration_->property(role + ".doppler_max", 15);
|
|
sampled_ms_ = configuration_->property(role + ".sampled_ms", 4);
|
|
dump_filename_ = configuration_->property(role + ".dump_filename",
|
|
default_dump_filename);
|
|
|
|
//--- Find number of samples per spreading code (4 ms) ----------------------------
|
|
|
|
vector_length_ = round(fs_in_ / (Galileo_E1_CODE_CHIP_RATE_HZ / Galileo_E1_B_CODE_LENGTH_CHIPS));
|
|
int samples_per_ms = vector_length_/4;
|
|
|
|
code_= new gr_complex[vector_length_];
|
|
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
item_size_ = sizeof(gr_complex);
|
|
acquisition_cc_ = pcps_make_acquisition_cc(sampled_ms_,
|
|
shift_resolution_, if_, fs_in_, samples_per_ms, queue_,
|
|
dump_, dump_filename_);
|
|
stream_to_vector_ = gr_make_stream_to_vector(item_size_,
|
|
vector_length_);
|
|
DLOG(INFO) << "stream_to_vector(" << stream_to_vector_->unique_id()
|
|
<< ")";
|
|
DLOG(INFO) << "acquisition(" << acquisition_cc_->unique_id()
|
|
<< ")";
|
|
}
|
|
else
|
|
{
|
|
LOG_AT_LEVEL(WARNING) << item_type_
|
|
<< " unknown acquisition item type";
|
|
}
|
|
}
|
|
|
|
GalileoE1PcpsAmbiguousAcquisition::~GalileoE1PcpsAmbiguousAcquisition()
|
|
{
|
|
delete[] code_;
|
|
}
|
|
|
|
|
|
void GalileoE1PcpsAmbiguousAcquisition::set_channel(unsigned int channel)
|
|
{
|
|
channel_ = channel;
|
|
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
acquisition_cc_->set_channel(channel_);
|
|
}
|
|
}
|
|
|
|
void GalileoE1PcpsAmbiguousAcquisition::set_threshold(float threshold)
|
|
{
|
|
threshold_ = threshold;
|
|
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
acquisition_cc_->set_threshold(threshold_);
|
|
}
|
|
}
|
|
|
|
void GalileoE1PcpsAmbiguousAcquisition::set_doppler_max(unsigned int doppler_max)
|
|
{
|
|
doppler_max_ = doppler_max;
|
|
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
acquisition_cc_->set_doppler_max(doppler_max_);
|
|
}
|
|
|
|
}
|
|
|
|
void GalileoE1PcpsAmbiguousAcquisition::set_doppler_step(unsigned int doppler_step)
|
|
{
|
|
doppler_step_ = doppler_step;
|
|
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
acquisition_cc_->set_doppler_step(doppler_step_);
|
|
}
|
|
|
|
}
|
|
|
|
void GalileoE1PcpsAmbiguousAcquisition::set_channel_queue(
|
|
concurrent_queue<int> *channel_internal_queue)
|
|
{
|
|
channel_internal_queue_ = channel_internal_queue;
|
|
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
acquisition_cc_->set_channel_queue(channel_internal_queue_);
|
|
}
|
|
}
|
|
|
|
void GalileoE1PcpsAmbiguousAcquisition::set_gnss_synchro(Gnss_Synchro* gnss_synchro)
|
|
{
|
|
gnss_synchro_ = gnss_synchro;
|
|
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
acquisition_cc_->set_gnss_synchro(gnss_synchro_);
|
|
}
|
|
}
|
|
|
|
signed int GalileoE1PcpsAmbiguousAcquisition::mag()
|
|
{
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
return acquisition_cc_->mag();
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void GalileoE1PcpsAmbiguousAcquisition::init(){
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
bool cboc = configuration_->property("Acquisition"
|
|
+ boost::lexical_cast<std::string>(channel_) + ".cboc", false);;
|
|
|
|
galileo_e1_code_gen_complex_sampled(code_, gnss_synchro_->Signal, cboc, gnss_synchro_->PRN, fs_in_, 0);
|
|
acquisition_cc_->set_local_code(code_);
|
|
acquisition_cc_->init();
|
|
}
|
|
}
|
|
void GalileoE1PcpsAmbiguousAcquisition::reset()
|
|
{
|
|
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
acquisition_cc_->set_active(true);
|
|
}
|
|
}
|
|
|
|
void GalileoE1PcpsAmbiguousAcquisition::connect(gr_top_block_sptr top_block)
|
|
{
|
|
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
top_block->connect(stream_to_vector_, 0, acquisition_cc_, 0);
|
|
}
|
|
|
|
}
|
|
|
|
void GalileoE1PcpsAmbiguousAcquisition::disconnect(gr_top_block_sptr top_block)
|
|
{
|
|
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
top_block->disconnect(stream_to_vector_, 0, acquisition_cc_, 0);
|
|
}
|
|
}
|
|
|
|
gr_basic_block_sptr GalileoE1PcpsAmbiguousAcquisition::get_left_block()
|
|
{
|
|
return stream_to_vector_;
|
|
}
|
|
|
|
gr_basic_block_sptr GalileoE1PcpsAmbiguousAcquisition::get_right_block()
|
|
{
|
|
return acquisition_cc_;
|
|
}
|
|
|