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gnss-sdr/src/algorithms/signal_source/adapters/file_timestamp_signal_source.cc

128 lines
3.9 KiB
C++

/*!
* \file file_timestamp_signal_source.cc
* \brief This class reads samples stored in a file and generate stream tags
* with its timestamp information stored in separated file
* \author Javier Arribas, jarribas(at)cttc.es
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#include "file_timestamp_signal_source.h"
#include "gnss_sdr_flags.h"
#include "gnss_sdr_string_literals.h"
#include <string>
#if USE_GLOG_AND_GFLAGS
#include <glog/logging.h>
#else
#include <absl/log/log.h>
#endif
using namespace std::string_literals;
FileTimestampSignalSource::FileTimestampSignalSource(const ConfigurationInterface* configuration,
const std::string& role,
unsigned int in_streams,
unsigned int out_streams,
Concurrent_Queue<pmt::pmt_t>* queue)
: FileSourceBase(configuration, role, "File_Timestamp_Signal_Source"s, queue, "byte"s),
timestamp_file_(configuration->property(role + ".timestamp_filename"s, "../data/example_capture_timestamp.dat"s)),
timestamp_clock_offset_ms_(configuration->property(role + ".timestamp_clock_offset_ms"s, 0.0))
{
if (in_streams > 0)
{
LOG(ERROR) << "A signal source does not have an input stream";
}
if (out_streams > 1)
{
LOG(ERROR) << "This implementation only supports one output stream";
}
// override value with commandline flag, if present
#if USE_GLOG_AND_GFLAGS
if (FLAGS_timestamp_source != "-")
{
timestamp_file_ = FLAGS_timestamp_source;
}
#else
if (absl::GetFlag(FLAGS_timestamp_source) != "-")
{
timestamp_file_ = absl::GetFlag(FLAGS_timestamp_source);
}
#endif
}
gnss_shared_ptr<gr::block> FileTimestampSignalSource::source() const { return timestamp_block_; }
void FileTimestampSignalSource::create_file_source_hook()
{
int source_items_to_samples = 1;
bool is_complex = false;
if (item_type() == "ibyte")
{
source_items_to_samples = 1;
}
else if (item_type() == "byte")
{
source_items_to_samples = 1;
}
else if (item_type() == "short")
{
source_items_to_samples = 1;
}
else if (item_type() == "ishort")
{
source_items_to_samples = 1;
}
else if (item_type() == "gr_complex")
{
source_items_to_samples = 1;
is_complex = true;
}
if (is_complex == false)
{
std::cout << "A : " << std::get<0>(itemTypeToSize()) << "\n";
timestamp_block_ = gnss_sdr_make_Timestamp(
std::get<0>(itemTypeToSize()),
timestamp_file_,
timestamp_clock_offset_ms_,
source_items_to_samples * 2);
}
else
{
std::cout << "B : " << std::get<0>(itemTypeToSize()) << "\n";
timestamp_block_ = gnss_sdr_make_Timestamp(
std::get<0>(itemTypeToSize()),
timestamp_file_,
timestamp_clock_offset_ms_,
source_items_to_samples);
}
DLOG(INFO) << "timestamp_block_(" << timestamp_block_->unique_id() << ")";
}
void FileTimestampSignalSource::pre_connect_hook(gr::top_block_sptr top_block)
{
top_block->connect(file_source(), 0, timestamp_block_, 0);
DLOG(INFO) << "connected file_source to timestamp_block_";
}
void FileTimestampSignalSource::pre_disconnect_hook(gr::top_block_sptr top_block)
{
top_block->disconnect(file_source(), 0, timestamp_block_, 0);
DLOG(INFO) << "disconnected file_source from timestamp_block_";
}