mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-11-13 05:20:04 +00:00
721004b838
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@216 64b25241-fba3-4117-9849-534c7e92360d
128 lines
4.2 KiB
C++
128 lines
4.2 KiB
C++
/*!
|
|
* \file direct_resampler_conditioner.cc
|
|
* \brief Implementation of an adapter of a direct resampler conditioner block
|
|
* to a SignalConditionerInterface
|
|
* \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.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 "direct_resampler_conditioner.h"
|
|
#include <gnuradio/gr_file_sink.h>
|
|
#include "direct_resampler_conditioner_cc.h"
|
|
//#include "direct_resampler_conditioner_ss.h"
|
|
#include "configuration_interface.h"
|
|
#include <glog/log_severity.h>
|
|
#include <glog/logging.h>
|
|
|
|
using google::LogMessage;
|
|
|
|
DirectResamplerConditioner::DirectResamplerConditioner(
|
|
ConfigurationInterface* configuration, std::string role,
|
|
unsigned int in_stream, unsigned int out_stream) :
|
|
role_(role), in_stream_(in_stream), out_stream_(out_stream)
|
|
{
|
|
|
|
std::string default_item_type = "short";
|
|
std::string default_dump_file = "./data/signal_conditioner.dat";
|
|
|
|
sample_freq_in_ = configuration->property(role_ + ".sample_freq_in",
|
|
(double)4000000.0);
|
|
sample_freq_out_ = configuration->property(role_ + ".sample_freq_out",
|
|
(double)2048000.0);
|
|
item_type_ = configuration->property(role + ".item_type",
|
|
default_item_type);
|
|
dump_ = configuration->property(role + ".dump", false);
|
|
DLOG(INFO) << "dump_ is "<< dump_;
|
|
dump_filename_ = configuration->property(role + ".dump_filename",
|
|
default_dump_file);
|
|
|
|
if (item_type_.compare("gr_complex") == 0)
|
|
{
|
|
item_size_ = sizeof(gr_complex);
|
|
resampler_ = direct_resampler_make_conditioner_cc(sample_freq_in_,
|
|
sample_freq_out_);
|
|
DLOG(INFO) << "sample_freq_in " << sample_freq_in_;
|
|
DLOG(INFO) << "sample_freq_out" << sample_freq_out_;
|
|
DLOG(INFO) << "Item size " << item_size_;
|
|
DLOG(INFO) << "resampler(" << resampler_->unique_id() << ")";
|
|
|
|
}
|
|
// else if (item_type_.compare("short") == 0)
|
|
// {
|
|
// item_size_ = sizeof(short);
|
|
// resampler_ = direct_resampler_make_conditioner_ss(sample_freq_in_,
|
|
// sample_freq_out_);
|
|
// }
|
|
else
|
|
{
|
|
LOG_AT_LEVEL(WARNING) << item_type_
|
|
<< " unrecognized item type for resampler";
|
|
item_size_ = sizeof(short);
|
|
}
|
|
|
|
if (dump_)
|
|
{
|
|
DLOG(INFO) << "Dumping output into file " << dump_filename_;
|
|
file_sink_ = gr_make_file_sink(item_size_, dump_filename_.c_str());
|
|
DLOG(INFO) << "file_sink(" << file_sink_->unique_id() << ")";
|
|
}
|
|
|
|
}
|
|
DirectResamplerConditioner::~DirectResamplerConditioner() {}
|
|
|
|
void DirectResamplerConditioner::connect(gr_top_block_sptr top_block)
|
|
{
|
|
|
|
if (dump_)
|
|
{
|
|
top_block->connect(resampler_, 0, file_sink_, 0);
|
|
DLOG(INFO) << "connected resampler to file sink";
|
|
}
|
|
else
|
|
{
|
|
DLOG(INFO) << "nothing to connect internally";
|
|
}
|
|
|
|
}
|
|
|
|
void DirectResamplerConditioner::disconnect(gr_top_block_sptr top_block)
|
|
{
|
|
if (dump_)
|
|
{
|
|
top_block->disconnect(resampler_, 0, file_sink_, 0);
|
|
}
|
|
}
|
|
|
|
gr_basic_block_sptr DirectResamplerConditioner::get_left_block()
|
|
{
|
|
return resampler_;
|
|
}
|
|
|
|
gr_basic_block_sptr DirectResamplerConditioner::get_right_block()
|
|
{
|
|
return resampler_;
|
|
}
|