gnss-sdr/src/algorithms/tracking/adapters/gps_l1_ca_dll_pll_tracking.cc

148 lines
4.2 KiB
C++

/*!
* \file gnss_tracking_a.cc
* \brief Brief description of the file here
* \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.com
* Javier Arribas, 2011. jarribas(at)cttc.es
*
* Detailed description of the file here if needed.
*
* -------------------------------------------------------------------------
*
* 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 "gps_l1_ca_dll_pll_tracking.h"
#include "configuration_interface.h"
#include <gnuradio/gr_io_signature.h>
#include <glog/log_severity.h>
#include <glog/logging.h>
using google::LogMessage;
GpsL1CaDllPllTracking::GpsL1CaDllPllTracking(
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)
{
std::string default_item_type = "gr_complex";
std::string default_dump_filename = "./tracking.dat";
DLOG(INFO) << "role " << role;
DLOG(INFO) << "vector length " << vector_length_;
item_type_ = configuration->property(role + ".item_type",
default_item_type);
vector_length_ = configuration->property(role + ".vector_length", 2048);
fs_in_ = configuration->property(role + ".fs_in", 2048000);
if_ = configuration->property(role + ".if", 0);
dump_ = configuration->property(role + ".dump", false);
dump_filename_ = configuration->property(role + ".dump_filename",
default_dump_filename); //unused!
if (item_type_.compare("gr_complex") == 0)
{
item_size_ = sizeof(gr_complex);
tracking_ = gps_l1_ca_dll_pll_make_tracking_cc(satellite_, if_,
fs_in_, vector_length_, queue_, dump_);
}
else
{
LOG_AT_LEVEL(WARNING) << item_type_ << " unknown tracking item type.";
}
DLOG(INFO) << "tracking(" << tracking_->unique_id() << ")";
}
GpsL1CaDllPllTracking::~GpsL1CaDllPllTracking()
{
}
void GpsL1CaDllPllTracking::start_tracking()
{
tracking_->start_tracking();
}
void GpsL1CaDllPllTracking::set_satellite(unsigned int satellite)
{
satellite_ = satellite;
tracking_->set_satellite(satellite);
DLOG(INFO) << "satellite set to " << satellite_;
}
void GpsL1CaDllPllTracking::set_channel(unsigned int channel)
{
channel_ = channel;
tracking_->set_channel(channel);
}
void GpsL1CaDllPllTracking::set_channel_queue(
concurrent_queue<int> *channel_internal_queue)
{
channel_internal_queue_ = channel_internal_queue;
tracking_->set_channel_queue(channel_internal_queue_);
}
void GpsL1CaDllPllTracking::set_prn_code_phase(signed int phase)
{
return tracking_->set_acq_code_phase((double)phase);
}
void GpsL1CaDllPllTracking::set_doppler_freq_shift(float phase)
{
return tracking_->set_acq_doppler(phase);
}
void GpsL1CaDllPllTracking::set_acq_sample_stamp(
unsigned long int sample_stamp)
{
return tracking_->set_acq_sample_stamp(sample_stamp);
}
void GpsL1CaDllPllTracking::connect(gr_top_block_sptr top_block)
{
//nothing to connect, now the tracking uses gr_sync_decimator
}
void GpsL1CaDllPllTracking::disconnect(gr_top_block_sptr top_block)
{
//nothing to disconnect, now the tracking uses gr_sync_decimator
}
gr_basic_block_sptr GpsL1CaDllPllTracking::get_left_block()
{
return tracking_;
}
gr_basic_block_sptr GpsL1CaDllPllTracking::get_right_block()
{
return tracking_;
}