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Fork and continuation of the old ARIA library for use with Pioneer-compatible mobile robots. AriaCoda is based on the GPL-licensed ARIA library from MobileRobots Inc, which is no longer maintained. Various bug fixes, changes and improvements have been made. See README.md for more infor

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AriaCoda

Build Status

License: GPL v2

Platform: Linux Platform: Windows (MSVC 2019) Platform: Windows (MinGW) Platform: MacOSX

AriaCoda is a C++ library used to communicate with Pioneer and Pioneer-compatible mobile robot controllers, many sensors and other accessory devices, and includes various useful tools for mobile robotics applications.

The C++ code in AriaCoda is mostly C++03 and C with some C++11 and C++14 features used as well. It can be compiled with any C++ compiler supporting at least C++14. (In the future it may be updated to C++17 or C++20.)

AriaCoda is based on the prior open-source ARIA library (Copyright 2002, 2003, 2004, 2005 ActivMedia Robotics, LLC. Copyright 2006, 2007, 2008, 2009 MobileRobots Inc., Copyright 2010-2015 Adept Technology, Copyright 2016-2018 Omron Adept Technologies, Inc.)

AriaCoda is distributed under the terms of the GNU General Public License (GPL) version 2.

See LICENSE.txt for full license information about AriaCoda.

Requirements

AriaCoda is intended to be used on any recent standard Linux, MacOSX, Windows 7, or Windows 10 system. The only requirements are standard operating system libraries (POSIX, as well as the Windows C Runtime and Platform SDK if on Windows and some standard Linux libraries if on Linux).

See the section "Building AriaCoda" below for requirements to build AriaCoda from source code.

Major Changes from previous Aria releases

Several major changes have been made for AriaCoda since the last release of Aria 2.9 by Omron/Adept MobileRobots:

  • All header files have been moved into an Aria subdirectory. All header file #include directives must be updated. For example, use #include "Aria/ArRobot.h" instead of #include "ArRobot.h".
  • When installed on a Linux system, standard installation locations are used. See "Installation" below for details.
  • ArNetworking is no longer included or installed with Aria
  • Some classes have been removed (if obsolete, or only necessary for use with ArNetworking or used in non-open source products). Code for these classes has been moved into the attic subdirectory of the git repository. Removed classes include the following:
    • ArSimpleConnector (use ArRobotConnector, ArLaserConnector, and other connector classes instead.)
    • ACTS related classes
    • ArAMPTU, ArP2Arm, ArIrrfDevice, ArTCM2, ArSonyPTZ and ArVersalogicIO have been removed.
    • ArMode and subclasses, and all keyboard handling code, generally only used by examples/demo.cpp, has just been moved into examples/demo.cpp.
    • ArNetServer
    • Support classes for ArNetworking (ArDrawingData etc.)
    • some other classes have been removed as well.
  • The list of sensor readings in ArRangeBuffer has been changed from a list of pointers to ArPoseWithTime objects (std::list<ArPoseWithTime*>) to simply a list of ArPoseWithTime objects (std::list<ArPoseWithTime>). ArRangeDevice:getCurrentBuffer() and ArRangeDevice::getCumulativeBuffer() have been replaced by getCurrentReadings() and getCumulativeReading() which return a const reference to the list instead of a pointer. This should make it a bit easier to work with range device data but will require changing any code that accesses it through these interfaces. (The old methods returning pointers have been retained as "Ptr" versions, but will be removed in the future.)
  • ArLog default output type is now stderr instead of stdout.
  • Many unnecessary uses of "virtual" method declaration (including destructors) have been removed. If you derive from any ARIA class and intend to override a method, the use of the "override" specifier is encouraged; the C++ compiler should then warn if the base class method is not virtual. If you encounter problems using AriaCoda because of this change, please submit a bug report in Github issues.
  • Some function argument and return types have been changed from int to size_t or other more specific or appropriate type.
  • The feature of ArFunctor subclasses to store parameter values and the various invoke() overloads that used them if too few arguments provided, has been deprecated. Future changes will probably remove this feature (or ArFunctor will be replaced entirely by standard C++ features.)
  • Fixed width integer types aliased in the ArTypes (ArTypes::Byte, ArTypes::Byte2, ArTypes::Byte4, ArTypes::Byte8, ArTypes::UByte, ArTypes::UByte2, ArTypes::UByte4, ArTypes::Ubyte8) are deprecated. Use standard C++ fixed width integer types instead (std::int8_t, std::int16_t, std::int32_t, std::int64_t, std::uint8_t, std::uint16_t, std::uint32_t, std::uint64_t).
  • ArMap::getMapObjects() has been changed to return a const reference (const std::list<ArMapObject*>&) rather than a pointer. Other accessors in ArMap have been made const. (Note, This may be further changed in the future
    to a list of ArMapObject objects or smart pointers rather than pointers.) ArMap::getMapObjectsPtr() has been added for internal use and as an easy compatibility function, but use outside of the library is deprecated.
  • Various fixes and changes to improve optimization and conformance/correctness. Due to code removal, various optimizations in the source code (especially in frequently used storage and utility classes such as ArSensorReading, ArRangeBuffer, ArRangeDevice, ArPose, etc), and compilation optimizations turned on by default, the AriaCoda shared library should be slightly more efficient than previous versions of ARIA. Additional warning flags have been enabled during compilation, and some of the potential problems indicated by those warnings have been fixed. If any changes have introduced undetected bugs or unintentional changes in behavior, please report any problems on github issues.

Several other changes are planned that will not be compatible with prior Aria releases, see TODO.md.

AriaCoda defines the preprocessor symbols ARIACODA and ARIA_3 which may be used to perform conditional compilation in an application depending on whether ARIA 2.x or AriaCoda are being used.

Over time, the library may be more consistently modernized to C++17 or later (unless significant rewriting of generally working and stable code would be required). This may require further deprecating, removing or changing some interfaces. The biggest changes will likely be to replace ArFunctor, ArTime, and threading and other OS portability wrappers with newer C++ standards, and possibly requiring use of smart pointers especially when objects or references are passed into or out of the ARIA API, as well as more consistent use of e.g. std::string or std::string_view rather than char *, use of standard types rather than types defined by ARIA, etc. See TODO.md for details.

Support and Contributing

AriaCoda is not supported by Omron Corporation or any other commercial organization. There are many ways to help continued improvement and maintenance of AriaCoda:

  • Report bugs or request improvements. Did you encounter documentation that is incorrect or difficult to understand? Would you like to see example code for a particular feature? Is there a bug or problem with AriaCoda? Report the issue here.
  • Contribute improvements, bug fixes, tests, documentaton fixes, updated Visual C++ project files, etc.
    See TODO.md for ideas. Changes can be discussed on GitHub Issues.
  • Financial sponsorship of the primary developer through GitHub Sponsorship or through other means. This will let me spend more time working on AriaCoda. Contact me to discuss further.

Building AriaCoda

The only requirements to build AriaCoda from source code are common developer tools, and a C++ compiler that supports C++14. There are no additional library dependencies.

On Linux, the GNU C++ compiler (g++/gcc), GNU Make, and standard shell tools are required. On Ubuntu or Debian Linux, run sudo apt install make g++ to install. (Clang can be used as well.) The C++ compiler must support at least C++14;
GCC 9 or later is recommended. (Ubuntu Bionic or later is recommended as Linux operating system.) See below for notes on older GCC/OS versions.

On Windows, Visual C++ 2019 is required to use the provided project and solution files. The free "Community" edition can be downloaded from http://visualstudio.microsoft.com/downloads. The core C++ development and Windows SDK components are required, no additional Visual Studio components are needed. See more build instructions below.

It is also possible to build AriaCoda with MinGW on Windows.

On Mac OSX, XCode and command-line development tools are required.
(Run XCode, open "Preferences" from the application menu, select "Downloads", select "Command Line Tools", and click "Install".) Run make from a Terminal shell.

In addition, some optional features have additional build requirements.

  • Doxygen, for API reference documentation generation. See http://www.doxygen.org
  • SWIG, for interface generation for Python and Java interfaces. See http://www.swig.org.
  • Java and Python development libraries for Python and Java interfaces
  • Matlab MEX compiler for Matlab interface
  • Rust bindgen tool for Rust interface (and cargo)
  • Debian/Ubuntu packaging tools to create Debian/Ubuntu packages

The Makefile used to build AriaCoda on Linux and MacOSX uses certain variables to contain compilation flags, compiler command name, and optional features, or to set defaults for a "Debug" build vs. optimized "Release" build.

Run make help for brief descriptions of these variables as well as available target rules.

Variables an be set in the shell environment or on the command line when running make, e.g., DEBUG disables some optimizations, and CXX overrides the default compiler command:

make DEBUG=1 CXX=\"ccache c++\"

EXTRA_CXXFLAGS adds additional C++ compilation flags to ARIA's, e.g. to optimize for a computer with an Intel Atom processor (i.e. PioneerLX), and math functions in general, you could do this:

make EXTRA_CXXFLAGS="-mcpu=atom -ffast-math" -j6

Or to optimize for Intel CPUs, supporting Core2 and later:

make EXTRA_CXXFLAGS="-march=core2 -mtune=intel" -j6

Or to get additional optimization based on the features of the CPU of the build host:

make EXTRA_CXXFLAGS="-march=native -mtune=native" -j6

To compile with clang and libc++ instead of gcc and libstdc++:

make CXX=clang++ EXTRA_CXXFLAGS=-stdlib=libc++

To compile with clang and libc++ with some of the LLVM sanitizer options turned on:

make DEBUG=1 CXX=clang++ EXTRA_CXXFLAGS="-stdlib=libc++ -fsanitize=address,undefined" -j6

However, be aware that files compiled with different C++ compilers, and sometimes with different compilation flags (e.g. -stdlib) may not be compatible, resulting in linker errors or other errors. (You cannot yet specify custom output directories when building AriaCoda -- but contributions to enable this would be welcome; use make clean to start with a clean build.)

Other variables are available. Run make help for description of all variables.

Linux

On Linux enter the AriaCoda source directory in a terminal, and run make.

Use make -j6 to build faster by building in parallel with a maximum of 6 jobs (-j4 for 4 jobs, -j2 for 2 jobs, etc.), or make -j to run all jobs in parallel.

Run make help for information on more make rules and parameters.

Note: To build on certain older Linux versions (glibc versions) (e.g. Ubuntu Xenial), add the -DARIA_OMIT_DEPRECATED_MATH_FUNCS compilation flag to EXTRA_CXXFLAGS when building:

make EXTRA_CXXFLAGS=-DARIA_OMIT_DEPRECATED_MATH_FUNCS 

A few optional features (e.g. constexpr support) may be omitted from specific parts of the API if building with older compilers or standard library versions.

Windows

On Windows, open AriaCoda.sln with Visual Studio 2019 and build the solution. This will build AriaCoda as a static library (lib/ARIA.lib in Release mode or lib/AriaDebug.lib in Debug mode.)

Note: As new versions of Visual C++ are released in the future, the Visual C++ project and solution files may be updated, requiring that you update your Visual C++ version.

If there is an error in Visual Studio about build tools not installed when loading the AriaCoda project, open "Tools" -> "Get Tools and Features...", choose "Individual components", and install the latest version of "MSVC C++ x64/x86 build tools", "C++ core features", and the latest version of the Windows SDK (Or install the complete C++ development environment option).

It may be possible to use older versions of Visual C++, but you will need to create new project files for AriaCoda using that version of Visual C++.
(Generally, Visual C++ project files are specific to versions of Visual C++, though Visual Studio can often upgrade older project files.)

MacOSX

On Mac OSX, XCode and command-line development tools are required.
(Run XCode, open "Preferences" from the application menu, select "Downloads", select "Command Line Tools", and click "Install".) Run make from a Terminal shell to build the Aria dynamic library.

Configuring library path

Note: After building AriaCoda, you can build and run example and test programs without installing on the system by adding the library directory to your dynamic library path, otherwise you will receive an error similar to the following:

error while loading shared libraries: libAria.so: cannot open shared object file: No such file or directory

Linux:

export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:~/AriaCoda/lib

Mac OSX:

export DYLIB_LIBRARY_PATH=$DYLIB_LIBRARY_PATH:~/AriaCoda/lib

Replace ~/AriaCoda with the correct path to your AriaCoda source directory.

Installation

AriaCoda can be installed using Ubuntu/Debian packages or after building the source code (using the install rules in the Makefile).

The available Ubuntu/Debian packages are:

  • libaria3
  • libaria3-dev
  • libaria3-doc
  • libaria3-utils
  • libaria3-java
  • python3-aria
  • libaria3-examples

Use apt to install.

libaria3 installs the shared library into the correct subdirectory of /usr/lib. libaria3-dev installs additional shared library aliases and the header files in /usr/include/Aria. libaria3-doc installs documentation in /usr/share/doc/Aria. libaria3-utils installs ariaDemo, mtxPower, and seekurPower into /usr/bin. libaria3-examples installs example program source code to /usr/share/doc/Aria/examples.

To install AriaCoda from source code, use sudo make install. This installs the libAria.so shared library (also with versioned files) into /usr/local/lib and, the header files in /usr/local/include/Aria. Robot parameter files are installed into /usr/local/share/Aria/params. Use make install-doc to install API reference documentation into /usr/local/share/doc/Aria/doc, make install-utils to install demo (as ariaDemo), mtxPower, and seekurPower into /usr/local/bin, make install-python to install the Python wrapper files, and make install-java to install the Java wrapper. Run make install-examples to install the example program source code into /usr/local/share/doc/Aria/examples.

To specify an alternate installation location, set the DESTDIR variable in the environment or when running make. If DESTDIR is set, then the library is installed in $DESTDIR/usr/lib, header files are installed in $DESTDIR/usr/include/Aria, robot parameter files are installed in $DESTDIR/usr/share/Aria/params, documentation is installed in $DESTDIR/usr/share/doc/Aria, utility programs are installed into $DESTDIR/usr/bin, example program source code is installed in $DESTDIR/share/doc/Aria/examples.

Documentation

Reference documentation, including some annotated examples and an in-depth introduction and overview to AriaCoda, can be generated using the Doxygen tool.

To install Doxygen on Ubuntu or Debian Linux, run sudo apt install doxygen.

Then, to generate the documentation, run make doc.

To install Doxygen on Windows, go to http://www.doxygen.nl/download.html, and use the download link under "A binary distribution for Windows...".

To generate the AriaCoda documentation on Windows, open a command prompt terminal (choose "Run..." from Start menu ond enter cmd), enter the AriaCoda source directory (e.g. cd %HOMEPATH%\AriaCoda or similar), and run Doxygen using the doxygen.conf configuration file by entering C:\doxygen\bin\doxygen.exe doxygen.conf. (You can add C:\doxygen\bin to your program PATH in the System control panel, if desired.)

Example Programs

Example program source code can be found in the examples/ directory. View the examples README.txt file for descriptions.

Configuring library path

On Linux you need to add the lib directory to your LD_LIBRARY_PATH environment variable to run example programs without installing AriaCoda on the system, e.g.:

export LD_LIBRARY_PATH=`pwd`/lib
cd examples
make simpleConnect
./simpleConnect

Otherwise you will receive an error similar to the following:

error while loading shared libraries: libAria.so: cannot open shared object file: No such file or directory

On MacOSX you similarly need to add the lib directory to your DYLD_LIBRARY_PATH environment variable, e.g.:

export DYLD_LIBRARY_PATH=`pwd`/lib
cd examples
make simpleConnect
./simpleConnect

On Windows, the AriaCoda DLL and example program binaries are both stored in the bin directory, which allows the programs to find the Aria DLL. Or, an example program may be built with static linkage to the AriaCoda library.

Specifying robot connection port

You can specify the serial port device to use when running any example or test program using the -robotPort command line argument. Other command-line arguments for configuring the robot connection are also available, use the -help command-line argument to display information. (These arguments can be used with all programs using ArArgumentParser and ArRobotConnector, including your own.)

If using a USB-serial adapter with device name /dev/ttyUSB0 on Linux, use a command such as the following:

./simpleConnect -robotPort /dev/ttyUSB0

On Windows, a USB-serial adapter may use a new "COM" port name, e.g. COM3, COM4, etc.:

simpleConnect.exe -robotPort COM3

On Linux USB-serial device names are printed in the Linux kernel log when connected, use sudo dmesg to view. On Windows, USB-serial port names are shown in the system control panel.

More information on how ARIA connects to the robot and other devices can be found in the reference documentation.

Simulator

AriaCoda may be used with the AMRISim simulator, or MobileSim.

Simply run the simulator first (enable emulated Pioneer interface if necessary), then run any program using AriaCoda on the same host. No special configuration changes or version needs to be used to use AMRISim, AriaCoda will automatically detect AMRISim if it is running on the same computer, or you can connect remotely to AMRISim using the -remoteHost command-line option, or network broadcast service discovery (currently implemented in the Python wrapper only.)

About

Fork and continuation of the old ARIA library for use with Pioneer-compatible mobile robots. AriaCoda is based on the GPL-licensed ARIA library from MobileRobots Inc, which is no longer maintained. Various bug fixes, changes and improvements have been made. See README.md for more infor

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