2011-10-01 18:45:20 +00:00
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/*!
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2011-12-28 03:05:37 +00:00
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* \file gps_l1_ca_telemetry_decoder.h
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2011-12-28 21:36:45 +00:00
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* \brief Interface of an adapter of a GPS L1 C/A NAV data decoder block
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* to a TelemetryDecoderInterface
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2011-10-01 18:45:20 +00:00
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* \author Javier Arribas, 2011. jarribas(at)cttc.es
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*
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* -------------------------------------------------------------------------
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*
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2012-10-28 10:56:04 +00:00
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* Copyright (C) 2010-2012 (see AUTHORS file for a list of contributors)
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2011-10-01 18:45:20 +00:00
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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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2011-12-28 03:05:37 +00:00
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#ifndef GNSS_SDR_GPS_L1_CA_TELEMETRY_DECODER_H_
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#define GNSS_SDR_GPS_L1_CA_TELEMETRY_DECODER_H_
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2011-10-01 18:45:20 +00:00
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#include "telemetry_decoder_interface.h"
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#include "gps_l1_ca_telemetry_decoder_cc.h"
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2013-03-11 18:29:33 +00:00
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2011-10-01 18:45:20 +00:00
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#include <gnuradio/gr_msg_queue.h>
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2013-03-11 18:29:33 +00:00
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2011-10-01 18:45:20 +00:00
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class ConfigurationInterface;
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2011-12-28 03:05:37 +00:00
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/*!
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* \brief This class implements a NAV data decoder for GPS L1 C/A
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*/
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2011-10-01 18:45:20 +00:00
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class GpsL1CaTelemetryDecoder : public TelemetryDecoderInterface
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{
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public:
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GpsL1CaTelemetryDecoder(ConfigurationInterface* configuration,
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std::string role,
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unsigned int in_streams,
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unsigned int out_streams,
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gr_msg_queue_sptr queue);
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virtual ~GpsL1CaTelemetryDecoder();
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std::string role()
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{
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return role_;
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}
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2013-02-04 00:16:22 +00:00
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//! Returns "GPS_L1_CA_Telemetry_Decoder"
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2011-10-01 18:45:20 +00:00
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std::string implementation()
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{
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2012-06-22 14:17:28 +00:00
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return "GPS_L1_CA_Telemetry_Decoder";
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2011-10-01 18:45:20 +00:00
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}
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void connect(gr_top_block_sptr top_block);
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void disconnect(gr_top_block_sptr top_block);
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gr_basic_block_sptr get_left_block();
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gr_basic_block_sptr get_right_block();
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2012-01-20 23:28:11 +00:00
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void set_satellite(Gnss_Satellite satellite);
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2013-02-04 00:16:22 +00:00
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void set_channel(int channel){telemetry_decoder_->set_channel(channel);}
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2011-10-01 18:45:20 +00:00
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void reset()
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{
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return;
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2013-02-04 00:16:22 +00:00
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}
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2011-10-01 18:45:20 +00:00
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size_t item_size()
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{
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- Major changes:
- The executable file and the default configuration file is now changed from "./install/mercurio" and "./conf/mercurio.conf" to "./install/gnss-sdr" and "./conf/gnss-sdr.conf", respectively.
- Configuration file structure changed to define in a single entry the internal sampling frequency (after the signal conditioner). NOTICE that this change affects the all the adapters (acquisition, tracking, telemetry_decoder, observables, and PVT). All the adapters are now modified to work with this feature.
- Moved several in-line GPS L1 CA parameters (a.k.a magic numbers..) to ./src/core/system_parameters/GPS_L1_CA.h definition file.
- Tracking blocks now uses DOUBLE values in their outputs.
- Observables and PVT now are separated. PVT and their associated libraries are moved to ./src/algorithms/PVT
- Temporarily disabled the RINEX output (I am working on that!)
- GNSS-SDR screen output now gives extended debug information of the receiver status and events. In the future, this output will be redirected to a log file.
- Bug fixes:
- FILE_SIGNAL_SOURCE now works correctly when the user configures GNSS-SDR to process the entire file.
- GPS_L1_CA_DLL_PLL now computes correctly the PRN start values.
- GPS_L1_CA_DLL_FLL_PLL now computes correctly the PRN start values.
- Several modifications in GPS_L1_CA_Telemetry_Decoder, GPS_L1_CA_Observables, and GPS_L1_CA_PVT modules to fix the GPS position computation.
- New features
- Tracking blocks perform a signal integrity check against NaN outliers before the correlation process.
- Tracking and PVT binary dump options are now documented and we provide MATLAB libraries and sample files to read it. Available in ./utils/matlab" and "./utils/matlab/libs"
- Observables output rate can be configured. This option enables the GPS L1 CA PVT computation at a maximum rate of 1ms.
- GPS_L1_CA_PVT now can perform a moving average Latitude, Longitude, and Altitude output for each of the Observables output. It is configurable using the configuration file.
- Added Google Earth compatible Keyhole Markup Language (KML) output writer class (./src/algorithms/PVT/libs/kml_printer.h and ./src/algorithms/PVT/libs/kml_printer.cc ). You can see the receiver position directly using Google Earth.
- We provide a master configuration file which includes an in-line documentation with all the new (and old) options. It can be found in ./conf/master.conf
git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@84 64b25241-fba3-4117-9849-534c7e92360d
2011-12-07 17:59:34 +00:00
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return 0;
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2011-10-01 18:45:20 +00:00
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}
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2012-10-28 10:56:04 +00:00
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private:
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2011-10-01 18:45:20 +00:00
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gps_l1_ca_telemetry_decoder_cc_sptr telemetry_decoder_;
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2012-01-20 23:28:11 +00:00
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Gnss_Satellite satellite_;
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2011-10-01 18:45:20 +00:00
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int channel_;
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unsigned int vector_length_;
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std::string item_type_;
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bool dump_;
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std::string dump_filename_;
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std::string role_;
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unsigned int in_streams_;
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unsigned int out_streams_;
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gr_msg_queue_sptr queue_;
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};
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#endif
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