gnss-sdr/src/algorithms/telemetry_decoder/adapters/gps_l1_ca_telemetry_decoder.cc

108 lines
3.4 KiB
C++

/*!
* \file gps_l1_ca_telemetry_decoder.cc
* \brief Implementation of an adapter of a GPS L1 C/A NAV data decoder block
* to a TelemetryDecoderInterface
* \author Javier Arribas, 2011. jarribas(at)cttc.es
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2015 (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 "gps_l1_ca_telemetry_decoder.h"
#include <gnuradio/io_signature.h>
#include <glog/logging.h>
#include "concurrent_queue.h"
#include "gps_ephemeris.h"
#include "gps_almanac.h"
#include "gps_iono.h"
#include "gps_utc_model.h"
#include "configuration_interface.h"
using google::LogMessage;
GpsL1CaTelemetryDecoder::GpsL1CaTelemetryDecoder(ConfigurationInterface* configuration,
std::string role,
unsigned int in_streams,
unsigned int out_streams) :
role_(role),
in_streams_(in_streams),
out_streams_(out_streams)
{
std::string default_item_type = "gr_complex";
std::string default_dump_filename = "./navigation.dat";
DLOG(INFO) << "role " << role;
dump_ = configuration->property(role + ".dump", false);
dump_filename_ = configuration->property(role + ".dump_filename", default_dump_filename);
// make telemetry decoder object
telemetry_decoder_ = gps_l1_ca_make_telemetry_decoder_cc(satellite_, dump_); // TODO fix me
DLOG(INFO) << "telemetry_decoder(" << telemetry_decoder_->unique_id() << ")";
//decimation factor
int decimation_factor = configuration->property(role + ".decimation_factor", 1);
telemetry_decoder_->set_decimation(decimation_factor);
DLOG(INFO) << "global navigation message queue assigned to telemetry_decoder ("<< telemetry_decoder_->unique_id() << ")";
channel_ = 0;
}
GpsL1CaTelemetryDecoder::~GpsL1CaTelemetryDecoder()
{}
void GpsL1CaTelemetryDecoder::set_satellite(Gnss_Satellite satellite)
{
satellite_ = Gnss_Satellite(satellite.get_system(), satellite.get_PRN());
telemetry_decoder_->set_satellite(satellite_);
DLOG(INFO) << "TELEMETRY DECODER: satellite set to " << satellite_;
}
void GpsL1CaTelemetryDecoder::connect(gr::top_block_sptr top_block)
{
if(top_block) { /* top_block is not null */};
// Nothing to connect internally
DLOG(INFO) << "nothing to connect internally";
}
void GpsL1CaTelemetryDecoder::disconnect(gr::top_block_sptr top_block)
{
if(top_block) { /* top_block is not null */};
// Nothing to disconnect
}
gr::basic_block_sptr GpsL1CaTelemetryDecoder::get_left_block()
{
return telemetry_decoder_;
}
gr::basic_block_sptr GpsL1CaTelemetryDecoder::get_right_block()
{
return telemetry_decoder_;
}