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https://github.com/mariokonrad/marnav
a library for MARitime NAVigation
https://github.com/mariokonrad/marnav
ais c-plus-plus cpp cpp11 cpp17 mmsi nmea nmea-protocol nmea-sentences
Last synced: about 2 months ago
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a library for MARitime NAVigation
- Host: GitHub
- URL: https://github.com/mariokonrad/marnav
- Owner: mariokonrad
- License: other
- Created: 2015-06-12T07:26:41.000Z (over 9 years ago)
- Default Branch: master
- Last Pushed: 2023-06-05T14:15:05.000Z (over 1 year ago)
- Last Synced: 2024-10-13T11:51:19.192Z (2 months ago)
- Topics: ais, c-plus-plus, cpp, cpp11, cpp17, mmsi, nmea, nmea-protocol, nmea-sentences
- Language: C++
- Homepage:
- Size: 7.99 MB
- Stars: 95
- Watchers: 14
- Forks: 48
- Open Issues: 5
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
marnav
======Copyright (c) 2022 Mario Konrad ([email protected])
---
Abstract
--------This is a C++ library for **MAR**itime **NAV**igation purposes.
It supports (partially):
- NMEA-0183
- AIS
- SeaTalk (Raymarine device communication)
- Basic geodesic functions, suitable for martime navigation.
- Reading data from serial ports (NMEA, SeaTalk). This is a separate library,
available only if required environment is present, typically a Linux system.See chapter _Features_ for a complete and detailed list.
---
Goals
-----There are already implementaions for reading and writing NMEA-0183 or AIS.
The goal of this library is
- to have an implementation in modern C++
- easy to use API (std lib like, integrating well)
- unit tested (high test coverage)
- trivial integration into projects (liberal license, as few dependencies as
possible)
- (more or less) well documented
- (more or less) complete, as far as information is freely available
- having fun---
Features
--------### NMEA-0183
Supported sentences for NMEA-0183 (read and write):
- AAM: Waypoint Arrival Alarm
- ACK: Acknowledge Alarm
- ALM: GPS Almanac Data
- ALR: Set Alarm State
- APB: Autopilot Sentence "B"
- BEC: Bearing and Distance to Waypoint
- BOD: Bearing - Waypoint to Waypoint
- BWC: Bearing & Distance to Waypoint - Geat Circle
- BWR: Bearing and Distance to Waypoint - Rhumb Line
- BWW: Bearing - Waypoint to Waypoint
- DBT: Depth Below Transducer
- DPT: Depth of Water
- DSC: Digital Selective Calling Information (**experimental**)
- DSE: Extended DSC (**experimental**)
- DTM: Datum Reference
- FSI: Frequency Set Information
- GBS: GPS Satellite Fault Detection
- GGA: Global Positioning System Fix Data
- GLC: Geographic Position, Loran-C
- GLL: Geographic Position - Latitude/Longitude
- GNS: Fix data
- GRS: GPS Range Residuals
- GSA: Geographic Position - Latitude/Longitude
- GST: GPS Pseudorange Noise Statistics
- GSV: Satellites in view
- HDG: Heading - Deviation & Variation
- HDT: Heading - True
- HFB: Trawl Headrope to Footrope and Bottom
- HSC: Heading Steering Command
- ITS: Trawl Door Spread 2 Distance
- LCD: Loran-C Signal Data
- MOB: Man over Board
- MSK: Control for a Beacon Receiver
- MSS: Beacon Receiver Status
- MTW: Mean Temperature of Water
- MWD: Wind Direction and Speed
- MWV: Wind Speed and Angle
- OSD: Own Ship Data
- RMA: Recommended Minimum Navigation Information
- RMB: Recommended Minimum Navigation Information
- RMC: Recommended Minimum Navigation Information
- ROT: Rate Of Turn
- RPM: Revolutions
- RSA: Rudder Sensor Angle
- RSD: RADAR System Data (**experimental**)
- RTE: Routes
- SFI: Scanning Frequency Information
- STN: Multiple Data ID
- TDS: Trawl Door Spread Distance
- TEP: Transit Satellite Predicted Elevation
- TFI: Trawl Filling Indicator
- TLL: Target Latitude and Longitude
- TPC: Trawl Position Cartesian Coordinates
- TPR: Trawl Position Relative Vessel
- TPT: Trawl Position True
- TTM: Tracked Target Message
- VBW: Dual Ground/Water Speed
- VDM: AIS VHF Data-Link Message
- VDO: AIS VHF Data-Link Own-Vessel Report
- VDR: Set and Drift
- VHW: Water speed and heading
- VLW: Distance Traveled through Water
- VPW: Speed - Measured Parallel to Wind
- VTG: Track made good and Ground speed
- WCV: Waypoint Closure Velocity
- WNC: Distance - Waypoint to Waypoint
- WPL: Waypoint Location
- XDR: Transducer Measurement
- XTE: Cross-Track Error, Measured
- XTR: Cross Track Error - Dead Reckoning
- ZDA: Time & Date - UTC, day, month, year and local time zone
- ZDL: Time and Distance to Variable Point
- ZFO: UTC & Time from origin Waypoint
- ZPI - Arrival time at point of interest
- ZTG: UTC & Time to Destination WaypointObsolete (according to [NMEA Revealed]) but implemented:
- APA: Autopilot Sentence "A"
- DBK: Depth Below Keel
- GTD: Geographic Location in Time Differences
- HDM: Heading - Magnetic (obsolete as of 2009)
- MTA: Air Temperature
- R00: Waypoints in active route
- VWE: Wind Track Efficiency
- VWR: Relative Wind Speed and Angle.
- WDC: Distance to Waypoint
- WDR: Distance to Waypoint, Rumb line
- ZFI: Elapsed time since point of interest
- ZLZ: Time of Day
- ZTA: UTC & Estimated arrival time at point of interest
- ZTE: UTC & Estimated remaining time to eventVendor Extensions:
- PGRME: Garmin Estimated Error
- PGRMM: Garmin Map Datum
- PGRMZ: Garmin Altitude Information
- STALK: SeaTalk Raw FormatMiscellaneous:
- Tag Block Support (generic for all sentences)
### AIS
Supported messages for AIS (decode and encode):
- Type 01: Position Report Class A
- Type 02: Position Report Class A (Assigned Schedule)
- Type 03: Position Report Class A (Response to Interrogation)
- Type 04: Base Station Report
- Type 05: Static and Voyage Related Data
- Type 06: Binary Addressed Message
- Type 07: Binary Acknowledge
- Type 08: Binary Broadcast Message
- Type 09: Standard SAR Aircraft Position Report
- Type 10: UTC/Date Inquiry
- Type 11: UTC/Date Response
- Type 12: Addressed Safety-Related Message
- Type 13: Safety-Related Acknowledgement
- Type 14: Safety-Related Broadcast Message
- Type 17: DGNSS Broadcast Binary Message
- Type 18: Standard Class B CS Position Report
- Type 19: Extended Class B CS Position Report
- Type 20: Data Link Management
- Type 21: Aid-to-Navigation Report
- Type 22: Channel Management
- Type 23: Group Assignment Command
- Type 24: Static Data Report (part A and B, norma and auxiliary vessel)Supported payload of binary message 08:
- 001/11: Meteorological and Hydrological Data (IMO236)
- 200/10: Inland ship static and voyage related data (Inland AIS)### SeaTalk
Suported messages for SeaTalk (decode and encode):
- Type 00: depth below transducer
- Type 01: equipment id
- Type 05: Engine RPM and PITCH
- Type 10: apparent wind angle
- Type 11: apparent wind speed
- Type 20: speed through water
- Type 21: trip mileage
- Type 22: total mileage
- Type 23: water temperature 1
- Type 24: Display unit for Mileage and Speed
- Type 25: total and trip log
- Type 26: Speed through Water
- Type 27: water temperature 2
- Type 30: Set Lamp Intensity
- Type 36: Cancel MOB condition
- Type 38: Codelock data (**experimental**)
- Type 50: LAT Postion
- Type 51: LON Postion
- Type 52: Speed over Ground
- Type 53: Magnetic Course in Degrees
- Type 54: GMT Time
- Type 56: Date
- Type 58: LAT/LON
- Type 59: Set Count Down Timer (sent by ST60)
- Type 65: Select Fathom display unit for depth display (see message 00)
- Type 66: Wind Alarm
- Type 6C: Second equipment-ID
- Type 86: Keystroke
- Type 87: Response Level
- Type 89: Compass heading (sent by ST40 compass instrument)### IO
- Reading data from serial ports (NMEA, SeaTalk).
Available only if the environment supports the implementation,
typically a Linux system.### Geodesic Functions
Basic geodesic functions, suitable for martime navigation.
- Calculation of CPA (closest point of approach)
and TCPA (time to closest point of approach)
- Distance of two points on a sphere
- Distance of two points on an ellipsoid using formula of Vincenty
- Distance of two points on an ellipsoid using formula of Lambert---
Examples
--------More examples [here](examples/README.md).
### Parse NMEA Sentence
~~~~~~~~~~~~~{.cpp}
using namespace marnav;auto sentence = nmea::make_sentence(
"$GPRMC,201034,A,4702.4040,N,00818.3281,E,0.0,328.4,260807,0.6,E,A*17");
std::cout << sentence->tag() << "\n";
auto rmc = nmea::sentence_cast(sentence);
std::cout << "latitude : " << nmea::to_string(rmc->get_latitude()) << "\n";
std::cout << "longitude: " << nmea::to_string(rmc->get_longitude()) << "\n";
~~~~~~~~~~~~~Create a specific sentence directly:
~~~~~~~~~~~~~{.cpp}
using namespace marnav;auto rmc = nmea::create_sentence(
"$GPRMC,201034,A,4702.4040,N,00818.3281,E,0.0,328.4,260807,0.6,E,A*17");
std::cout << "latitude : " << nmea::to_string(rmc.get_latitude()) << "\n";
std::cout << "longitude: " << nmea::to_string(rmc.get_longitude()) << "\n";
~~~~~~~~~~~~~### Write NMEA Sentence
~~~~~~~~~~~~~{.cpp}
nmea::mtw mtw;
mtw.set_temperature(units::celsius{22.5});
std::string data = nmea::to_string(mtw);
~~~~~~~~~~~~~### Parse AIS Message from NMEA data
~~~~~~~~~~~~~{.cpp}
using namespace marnav;// received sentences
const std::vector received_strings
= {"!AIVDM,2,1,3,B,55P5TL01VIaAL@7WKO@mBplU@> sentences;
for (auto const & txt : received_strings) {
auto sentence = nmea::make_sentence(txt);
if (sentence->id() == nmea::sentence_id::VDM) {
sentences.push_back(std::move(sentence));
}
}// parse and and process AIS messags
auto payload = nmea::collect_payload(sentences.begin(), sentences.end());
auto message = ais::make_message(payload);
if (message->type() == ais::message_id::static_and_voyage_related_data) {
auto report = ais::message_cast(message);
std::cout << "shipname: " << report->get_shipname() << "\n";
std::cout << "callsign: " << report->get_callsign() << "\n";
}
~~~~~~~~~~~~~### Create NMEA sentences from AIS data
~~~~~~~~~~~~~{.cpp}
using namespace marnav;// prepare AIS data
ais::message_01 pos_report;
pos_report.set_sog(units::knots{8.2});
// ... most data not shown here// create payload
auto payload = ais::encode_message(pos_report);// create NMEA sentences
for (uint32_t fragment = 0; fragment < payload.size(); ++fragment) {
nmea::vdm vdm;
vdm.set_n_fragments(payload.size());
vdm.set_fragment(fragment + 1);
vdm.set_radio_channel(nmea::ais_channel::B);
vdm.set_payload(payload[fragment]);// collect, send or do something with the sentence...
std::string s = nmea::to_string(vdm);
std::cout << s << "\n";
}
~~~~~~~~~~~~~or simply use `nmea::make_vdms`:
~~~~~~~~~~~~~{.cpp}
using namespace marnav;// prepare AIS data
ais::message_01 pos_report;
pos_report.set_sog(units::knots{8.2});
// ... most data not shown here// create payload
auto payload = ais::encode_message(pos_report);// create NMEA sentences
auto sentences = nmea::make_vdms(payload);// process sentences, somehow...
for (auto const & sentence : sentences) {
std::cout << nmea::to_string(*sentence) << "\n";
}
~~~~~~~~~~~~~---
Requirements
------------The primary target architecture is `x86_64`, Linux on ARM is supposed to work
as well though. It is possible to run unit tests through `qemu-arm` or use `binfmt_misc`
on Linux hosts.This chapter describes the requirements in order to build the library.
Tools and their versions are listed below, newer/older/other tools
(i.e. compilers, etc.) may work, but not tested.Compiler:
- GCC 7
- GCC 8
- GCC 9
- GCC 10
- GCC 11
- GCC 12
- GCC 13
- Clang 5
- Clang 6
- Clang 7
- Clang 8
- Clang 9
- Clang 10
- Clang 11
- Clang 12
- Clang 13
- Clang 14
- Clang 15
- Clang 16
- Clang 17
- VC++ 14.34 (_MSC_VER=1934, Visual Studio 2022)Tools needed to build the library:
- cmake 3.19 or newerTools needed to develop the library:
- git
- clang-format 10Tools needed to build the documentation:
- doxygen
- graphviz
- LaTeX (there are formulas!)Optional used for development:
- lcov / genhtml, c++filt
- cppcheck
- clang-tools (analyzer)
- perfOptional (no core dependency):
- Boost.ASIO (used only for some examples)
- Qt 5 (used only for some examples)Opeating system:
- Linux
- Windows 10There are no other dependencies despite the standard library (C++17)
to build this library.---
Build
-----The following build types `-DCMAKE_BUILD_TYPE=x` are possible:
- Debug
- Release
- CoverageBuild options:
- `ENABLE_STATIC` : enables static build, if `OFF`, a shared library is being built.
Default: `ON`
- `ENABLE_PROFILING` : enables profiling for `gprof`
- `ENABLE_BENCHMARK` : enables benchmarking (disables some optimization)
- `ENABLE_SANITIZER` : enables address and undefined sanitizersComponents:
- `ENABLE_EXAMPLES`: enables examples. Default: `ON`
- `ENABLE_TOOLS`: enables tools. Default: `ON`
- `ENABLE_TESTS`: enables unit tests, integration tests and benchmarks. Default: `ON`
- `ENABLE_TESTS_BENCHMARK`: enables benchmark tests, enabled only if `ENABLE_TESTS` is also enabled. Default: `ON`### Library
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
make### Documentation
mkdir build
cd build
cmake ..
make doc### Package
make package
or individual package types:
cpack -G TGZ
cpack -G DEB### Developpers Choice
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Coverage ..
make -j 8
make coverage doc cppcheck### Static Analysis with Clang
There is a script ```bin/static-analysis-clang``` for doing this, there is not yet
an integration of clang-tidy in the cmake build.### Perform Benchmarks
Build in `Release` mode, perform individual benchmarks:
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
make -j 8
test/benchmark_nmea_splitUsing `perf` to do performance analysis:
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release -DENABLE_BENCHMARK=ON ..
make -j 8
perf record -g test/benchmark_nmea_split
perf report -g 'graph,0.5,caller'### Formatting Test
There is a helper script ```bin/check-format``` which uses ```clang-format``` to
check the formatting of all files in the directories containing code (```src```,
```test``` and ```examples```). This script can be used manually:bin/check-format
or used as git pre-commit hook:
cd .git/hooks
ln -s ../../bin/check-format pre-commitwhich prevents a commit if there are files not complying with the formatting
rules. Be aware of using the script as pre-commit hook, the checking can take
several seconds.---
Authors
-------Mario Konrad ([email protected]) with help from others.
Search the repository for a complete list:
git log --format=%an | sort -u
---
Links
-----A (non-complete) collection of resources from where information was gathered.
- [NMEA Revealed](http://www.catb.org/gpsd/NMEA.html) (by Eric S. Raymond)
- [NMEA FAQ](http://www.kh-gps.de/nmea.faq)
- [it-digin's blog](http://www.it-digin.com/blog/?cat=4)
- [AIVDM/AIVDO Protocol decoding](http://www.catb.org/gpsd/AIVDM.html) (by Eric S. Raymond)
- [DSC Position Request](http://www.thehulltruth.com/marine-electronics-forum/43945-dsc-position-request.html)
- [NMEA-0183 Sentences DSC,DSE](http://www.cruisersforum.com/forums/f13/nmea-0183-sentences-dsc-dse-124887.html)
- [NMEA-0183 Sentence ALR](https://www.cruisersforum.com/forums/f134/opencpn-and-external-nmea0183-alarms-81396.html)
- [SerialMon - NMEA 0183 Protocol](http://www.serialmon.com/protocols/nmea0183.html)
- [SeaTalk Reference](http://thomasknauf.de/seatalk.htm) (by Thomas Knauf)
- [Navigation Center - AIS Standard Class B Equipment Position Report](http://www.navcen.uscg.gov/?pageName=AISMessagesB)
- [GPS Forums](http://www.gps-forums.net)
- [NMEA Datensaetze](http://www.nmea.de/nmea0183datensaetze.html)
- [AIS VDM & VDO Message Decoder](http://www.maritec.co.za/tools/aisvdmvdodecoding/)
- [AIS VDM & VDO Message Decoder](http://www.maritec.co.za/tools/aisvdmvdodecoding/)
- [Code comments from library NMEA0183](https://github.com/SammyB428/NMEA0183)---
LICENSE
-------> NOTE:
> The official NMEA 0183 Standard document is not available for free. It was not
> consulted at any point during the development of this library. All information
> was found from free sources on the internet. This library (especially the NMEA
> part) is not derivative work of this standard.See also [LICENSE](LICENSE)
(BSD)
```
Copyright (c) 2022, Mario Konrad
All rights reserved.Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this software
must display the following acknowledgement:
This product includes software developed by Mario Konrad.
4. Neither the name of the software nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
```