mirror of https://github.com/gnss-sdr/gnss-sdr
253 lines
7.6 KiB
C++
253 lines
7.6 KiB
C++
/*!
|
|
* \file file_signal_source.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 "file_signal_source.h"
|
|
|
|
#include "gnss_sdr_valve.h"
|
|
#include "configuration_interface.h"
|
|
|
|
#include <string>
|
|
#include <iostream>
|
|
|
|
#include <glog/log_severity.h>
|
|
#include <glog/logging.h>
|
|
|
|
#include <gnuradio/gr_io_signature.h>
|
|
|
|
using google::LogMessage;
|
|
|
|
FileSignalSource::FileSignalSource(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_filename = "./signal_samples/signal.dat";
|
|
std::string default_item_type = "short";
|
|
std::string default_dump_filename = "./data/signal_source.dat";
|
|
|
|
samples_ = configuration->property(role + ".samples", 0);
|
|
sampling_frequency_ = configuration->property(role
|
|
+ ".sampling_frequency", 0);
|
|
filename_ = configuration->property(role + ".filename", default_filename);
|
|
item_type_ = configuration->property(role + ".item_type",
|
|
default_item_type);
|
|
repeat_ = configuration->property(role + ".repeat", false);
|
|
dump_ = configuration->property(role + ".dump", false);
|
|
dump_filename_ = configuration->property(role + ".dump_filename",
|
|
default_dump_filename);
|
|
enable_throttle_control_ = configuration->property(role
|
|
+ ".enable_throttle_control", false);
|
|
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
item_size_ = sizeof(gr_complex);
|
|
}
|
|
else if (item_type_.compare("float") == 0)
|
|
{
|
|
item_size_ = sizeof(float);
|
|
}
|
|
else if (item_type_.compare("short") == 0)
|
|
{
|
|
item_size_ = sizeof(short);
|
|
}
|
|
else
|
|
{
|
|
LOG_AT_LEVEL(WARNING) << item_type_
|
|
<< " unrecognized item type. Using short.";
|
|
item_size_ = sizeof(short);
|
|
}
|
|
|
|
file_source_
|
|
= gr_make_file_source(item_size_, filename_.c_str(), repeat_);
|
|
DLOG(INFO) << "file_source(" << file_source_->unique_id() << ")";
|
|
|
|
// if samples != 0 then enable a flow valve to stop the process after n samples
|
|
if (samples_ != 0)
|
|
{
|
|
valve_ = gnss_sdr_make_valve(item_size_, samples_, queue_);
|
|
DLOG(INFO) << "valve(" << valve_->unique_id() << ")";
|
|
}
|
|
|
|
if (dump_)
|
|
{
|
|
sink_ = gr_make_file_sink(item_size_, dump_filename_.c_str());
|
|
DLOG(INFO) << "file_sink(" << sink_->unique_id() << ")";
|
|
}
|
|
|
|
if (enable_throttle_control_)
|
|
{
|
|
throttle_ = gr_make_throttle(item_size_, sampling_frequency_);
|
|
}
|
|
DLOG(INFO) << "File source filename " << filename_;
|
|
DLOG(INFO) << "Samples " << samples_;
|
|
DLOG(INFO) << "Sampling frequency " << sampling_frequency_;
|
|
DLOG(INFO) << "Item type " << item_type_;
|
|
DLOG(INFO) << "Item size " << item_size_;
|
|
DLOG(INFO) << "Repeat " << repeat_;
|
|
DLOG(INFO) << "Dump " << dump_;
|
|
DLOG(INFO) << "Dump filename " << dump_filename_;
|
|
|
|
}
|
|
|
|
FileSignalSource::~FileSignalSource()
|
|
{
|
|
}
|
|
|
|
void FileSignalSource::connect(gr_top_block_sptr top_block)
|
|
{
|
|
if (samples_ != 0)
|
|
{
|
|
if (enable_throttle_control_ == true)
|
|
{
|
|
top_block->connect(file_source_, 0, throttle_, 0);
|
|
DLOG(INFO) << "connected file source to throttle";
|
|
top_block->connect(throttle_, 0, valve_, 0);
|
|
DLOG(INFO) << "connected throttle to valve";
|
|
if (dump_)
|
|
{
|
|
top_block->connect(valve_, 0, sink_, 0);
|
|
DLOG(INFO) << "connected valve to file sink";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
top_block->connect(file_source_, 0, valve_, 0);
|
|
DLOG(INFO) << "connected file source to valve";
|
|
if (dump_)
|
|
{
|
|
top_block->connect(valve_, 0, sink_, 0);
|
|
DLOG(INFO) << "connected valve to file sink";
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (enable_throttle_control_ == true)
|
|
{
|
|
top_block->connect(file_source_, 0, throttle_, 0);
|
|
DLOG(INFO) << "connected file source to throttle";
|
|
if (dump_)
|
|
{
|
|
top_block->connect(file_source_, 0, sink_, 0);
|
|
DLOG(INFO) << "connected file source to sink";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (dump_)
|
|
{
|
|
top_block->connect(file_source_, 0, sink_, 0);
|
|
DLOG(INFO) << "connected file source to sink";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void FileSignalSource::disconnect(gr_top_block_sptr top_block)
|
|
{
|
|
if (samples_ != 0)
|
|
{
|
|
if (enable_throttle_control_ == true)
|
|
{
|
|
top_block->disconnect(file_source_, 0, throttle_, 0);
|
|
DLOG(INFO) << "disconnected file source to throttle";
|
|
top_block->disconnect(throttle_, 0, valve_, 0);
|
|
DLOG(INFO) << "disconnected throttle to valve";
|
|
if (dump_)
|
|
{
|
|
top_block->disconnect(valve_, 0, sink_, 0);
|
|
DLOG(INFO) << "disconnected valve to file sink";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
top_block->disconnect(file_source_, 0, valve_, 0);
|
|
DLOG(INFO) << "disconnected file source to valve";
|
|
if (dump_)
|
|
{
|
|
top_block->disconnect(valve_, 0, sink_, 0);
|
|
DLOG(INFO) << "disconnected valve to file sink";
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (enable_throttle_control_ == true)
|
|
{
|
|
top_block->disconnect(file_source_, 0, throttle_, 0);
|
|
DLOG(INFO) << "disconnected file source to throttle";
|
|
if (dump_)
|
|
{
|
|
top_block->disconnect(file_source_, 0, sink_, 0);
|
|
DLOG(INFO) << "disconnected file source to sink";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (dump_)
|
|
{
|
|
top_block->disconnect(file_source_, 0, sink_, 0);
|
|
DLOG(INFO) << "disconnected file source to sink";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
gr_basic_block_sptr FileSignalSource::get_left_block()
|
|
{
|
|
LOG_AT_LEVEL(WARNING)
|
|
<< "Left block of a signal source should not be retrieved";
|
|
return gr_block_sptr();
|
|
}
|
|
|
|
gr_basic_block_sptr FileSignalSource::get_right_block()
|
|
{
|
|
if (samples_ != 0)
|
|
{
|
|
return valve_;
|
|
}
|
|
else
|
|
{
|
|
if (enable_throttle_control_ == true)
|
|
{
|
|
return throttle_;
|
|
}
|
|
else
|
|
{
|
|
return file_source_;
|
|
}
|
|
}
|
|
}
|