mirror of https://github.com/gnss-sdr/gnss-sdr
147 lines
5.1 KiB
C++
147 lines
5.1 KiB
C++
/*!
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* \file raw_array_signal_source.cc
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* \brief CTTC Experimental GNSS 8 channels array signal source
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* \author Javier Arribas, jarribas(at)cttc.es
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNSS-SDR is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include "flexiband_signal_source.h"
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#include <gnuradio/blocks/file_sink.h>
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#include <gnuradio/msg_queue.h>
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#include <glog/logging.h>
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#include <teleorbit/frontend.h>
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#include "configuration_interface.h"
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using google::LogMessage;
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FlexibandSignalSource::FlexibandSignalSource(ConfigurationInterface* configuration,
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std::string role, unsigned int in_stream, unsigned int out_stream, gr::msg_queue::sptr queue) :
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role_(role), in_stream_(in_stream), out_stream_(out_stream), queue_(queue)
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{
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std::string default_item_type = "byte";
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item_type_ = configuration->property(role + ".item_type", default_item_type);
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std::string default_firmware_file = "flexiband_I-1b.bit";
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firmware_filename_ = configuration->property(role + ".firmware_file", default_firmware_file);
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gain1_ = configuration->property(role + ".gain1", 0); // check gain DAC values for Flexiband frontend!
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gain2_ = configuration->property(role + ".gain2", 0); // check gain DAC values for Flexiband frontend!
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gain3_ = configuration->property(role + ".gain3", 0); // check gain DAC values for Flexiband frontend!
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AGC_ = configuration->property(role + ".AGC", true); // enabed AGC by default
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usb_packet_buffer_size_ =configuration->property(role + ".usb_packet_buffer", 128);
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RF_channels_ = configuration->property(role + ".RF_channels", 1);
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if (item_type_.compare("gr_complex") == 0)
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{
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item_size_ = sizeof(gr_complex);
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flexiband_source_ = gr::teleorbit::frontend::make(firmware_filename_.c_str(),gain1_,gain2_,gain3_, AGC_, usb_packet_buffer_size_);
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//create I, Q -> gr_complex type conversion blocks
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for (int n=0;n<(RF_channels_*2);n++)
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{
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char_to_float.push_back(gr::blocks::char_to_float::make());
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float_to_complex_.push_back(gr::blocks::float_to_complex::make());
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}
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for (int n=0;n<(RF_channels_);n++)
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{
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float_to_complex_.push_back(gr::blocks::float_to_complex::make());
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}
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DLOG(INFO) << "Item size " << item_size_;
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DLOG(INFO) << "Firmware file "<<firmware_filename_;
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DLOG(INFO) << "flexiband_source_(" << flexiband_source_->unique_id() << ")";
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}else
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{
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LOG(WARNING) << item_type_ << " unrecognized item type for flexiband_source_";
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item_size_ = sizeof(gr_complex);
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}
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}
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FlexibandSignalSource::~FlexibandSignalSource()
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{}
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void FlexibandSignalSource::connect(gr::top_block_sptr top_block)
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{
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for (int n=0;n<(RF_channels_*2);n++)
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{
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top_block->connect(flexiband_source_, n, char_to_float.at(n), 0);
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DLOG(INFO) << "connected flexiband_source_ to char_to_float CH"<<n;
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}
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for (int n=0;n<RF_channels_;n++)
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{
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top_block->connect(char_to_float.at(n*2), 0, float_to_complex_.at(n*2), 0);
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top_block->connect(char_to_float.at(n*2+1), 0, float_to_complex_.at(n*2+1), 0);
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DLOG(INFO) << "connected char_to_float to float_to_complex_ CH"<<n;
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}
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}
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void FlexibandSignalSource::disconnect(gr::top_block_sptr top_block)
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{
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for (int n=0;n<(RF_channels_*2);n++)
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{
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top_block->disconnect(flexiband_source_, n, char_to_float.at(n), 0);
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DLOG(INFO) << "disconnect flexiband_source_ to char_to_float CH"<<n;
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}
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for (int n=0;n<RF_channels_;n++)
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{
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top_block->disconnect(char_to_float.at(n*2), 0, float_to_complex_.at(n*2), 0);
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top_block->disconnect(char_to_float.at(n*2+1), 0, float_to_complex_.at(n*2+1), 0);
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DLOG(INFO) << "disconnect char_to_float to float_to_complex_ CH"<<n;
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}
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}
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gr::basic_block_sptr FlexibandSignalSource::get_left_block()
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{
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LOG(WARNING) << "Left block of a signal source should not be retrieved";
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return gr::block_sptr();
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}
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gr::basic_block_sptr FlexibandSignalSource::get_right_block()
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{
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return get_right_block(0);
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}
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gr::basic_block_sptr FlexibandSignalSource::get_right_block(int RF_channel)
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{
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return float_to_complex_.at(RF_channel);
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}
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