163 lines
7.5 KiB
Plaintext
163 lines
7.5 KiB
Plaintext
This is a layer to provide ROS in an openembedded linux system.
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Currently, this layer is still under development and not fully functional.
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AUTHOR
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Lukas Bulwahn <lukas.bulwahn@oss.bmw-carit.de>
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HOW TO CONTRIBUTE
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We are still working on this development and are interested in other use cases.
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If you are interested in this project, please contact us via email.
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The more people are interested, the more we will be pushing this project.
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If you want to contribute, please contact us and we can discuss open issues
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and how we could join forces.
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PURPOSE of this document:
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This document describes
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- the installation, use and content of the git repository meta_ros
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- milestones, the open issues and how some issues have been resolved.
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- license information and origin of redistributed files
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INSTALLATION:
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The repository only contains a layer for ros that builds on top of the existing openembedded core layer.
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You can download the yocto poky-danny-8.0 archive, but then you should update the distutils.bbclass,
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and maybe also the url of libarchive.
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To install, unpack http://downloads.yoctoproject.org/releases/yocto/yocto-1.3/poky-danny-8.0.tar.bz2 into a directory <dir>.
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In the directory of the layers, clone this repository into the subdirectory meta-ros.
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Add the meta-ros directory to your local bblayers.conf file.
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USE for native compilation on the VM (milestone M1):
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The commands
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source oe-init-build-env
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bitbake core-image-ros
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builds our specifically configured linux image.
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With `runqemu qemux86-64 qemuparams="-m 2048" core-image-ros` the linux image runs within a virtual machine with 2048 MB of memory.
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We assumed that this is running on and compiled for an x86-64 architecture. For other architectures, some settings must be adjusted.
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On the host system, run fetch_ros.sh in a fresh directory, e.g. ~/ros-repos/.
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It clones all ros repositories locally.
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After starting the virtual machine, copy the installation script from the host system to the home directory with scp.
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scp lukas@192.168.7.1:/<location of repository>/install.sh .
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Adjust configuration in install.sh and then run
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sh ./install.sh
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The installation script installs ros and starts roscore.
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USE for cross-compilation (milestone M2):
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source oe-init-build-env
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bitbake ros
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momentarily fails at some point (see CURRENT STATE)
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CONTENT of the repository:
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README this README file, which contains all important information
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COPYING.MIT
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conf/layer.conf configuration file for this layer
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install.sh installation script that runs within the virtual machine
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recipes-core/images/core-image-ros.bb recipe for our own core image (derived from core-image-minimal)
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recipes-devtools/python/python-pyyaml_3.10.bb recipe for pyyaml python library
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recipes-devtools/python/python-rospkg_1.0.15.bb recipe for rospkg tool
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recipes-devtools/python/python-empy_3.3.bb recipe for empy python library
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recipes-devtools/python/python-nose_1.2.1.bb recipe for nose python library
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recipes-devtools/python/python-rosinstall_0.6.21.bb recipe for rosinstall tool
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recipes-devtools/python/python-vcstools_0.1.26.bb recipe required by rosinstall tool
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recipes-devtools/python/python-dateutil_1.5.bb recipe required by rosinstall tool
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recipes-devtools/python/python-pyyaml-native_3.10.bb native recipes for cross-compilation
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recipes-devtools/python/python-rospkg-native_1.0.15.bb
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recipes-devtools/python/python-empy-native_3.3.bb
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recipes-devtools/python/python-nose-native_1.2.1.bb
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recipes-devtools/log4cxx recipes and patches for log4cxx 0.10.0
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recipes-devtools/log4cxx/log4cxx_0.10.0.bb
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recipes-devtools/log4cxx/log4cxx/0001-log4cxx_0-10-0_add-missing-includes.patch
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recipes-devtools/log4cxx/log4cxx/0003-log4cxx-0.10.0-add_stdio_header.patch
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recipes-devtools/log4cxx/log4cxx/0002-Remove-duplicates-from-makefile.patch
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recipes-ros/ros/ros.bb recipe for ros (incomplete)
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recipes-ros/ros/ros/fuerte-ros-base.rosinstall the .rosinstall file to download ros
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classes/distutils.bbclass distutils recipe originated from oe-core (patch submitted to oe-core and accepted)
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classes/setuptools.bbclass adjustments for python setuptools
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MILESTONES
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M1: basic image with dev-tools (make, cmake, ...) and ROS compiles natively in the virtual machine
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M2: Linux+ROS System can be built completely with bitbake (no compilation and installing in the virtual machine)
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M3: Linux+ROS System with configured kernel (e.g. RT-Linux, System-D) that meets real-time and safety requirements
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RESOLVED ISSUES for M1:
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- recipes for python-pyyaml and python-rospkg create invalid shell scripts (header line refers to python-native instead of python.)
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RESOLVED by patching distutils class--has been committed to oe-core.
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- recipe for log4cxx requires another patch.
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RESOLVED by providing patch 0003 in recipe
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- Compilation with make fails in the virtual machine because of insufficient memory during compilation.
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RESOLVED by increasing memory.
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- rospkg modules are not found when runnning python.
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RESOLVED by using the dist_utils argument to use traditional packaging mechanism and avoid .egg files at all (suggested by Ross Burton)
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OPEN ISSUES for M1:
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- python-setuptools requires some python-modules at run-time.
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TEMPORARILY RESOLVED by adding all python-modules in the image
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SHOULD BE RESOLVED by creating an appropriate patch for python-setuptools and contributing to openembedded-core
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OPEN ISSUES for M2:
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- understand what rosinstall actually does
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- how fetch from multiple git repositories in one recipe?
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CURRENT STATE:
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`bitbake ros` fails with:
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> CMake Error at catkin/cmake/find_program_required.cmake:5 (message):
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> check_test_ran.py not found
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> Call Stack (most recent call first):
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> ../catkin/CMakeFiles/tests.cmake:31 (find_program_required)
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> ../catkin/CMakeFiles/tests.cmake:41 (catkin_initialize_tests)
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> catkin/cmake/all.cmake:54 (include)
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> catkin/CMakeLists.txt:12 (include)
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>
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>
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>
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> -- Configuring incomplete, errors occurred!
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>
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>
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> ERROR: Function failed: do_configure (see /home/lukas/NEW/poky-danny-8.0/build/tmp/work/i586-poky-linux/ros-1.0-r0/temp/log.do_configure.9702 for further information)
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> ERROR: Logfile of failure stored in: /home/lukas/NEW/poky-danny-8.0/build/tmp/work/i586-poky-linux/ros-1.0-r0/temp/log.do_configure.9702
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LICENSE
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All metadata is MIT licensed unless otherwise stated. Source code included
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in tree for individual recipes is under the LICENSE stated in each recipe
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(.bb file) unless otherwise stated.
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This README document is Copyright (C) 2012 BMW Car IT GmbH.
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REDISTRIBUTIONS
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The log4cxx recipe originated from the recipe in the OpenEmbedded (Classic) Development
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(cf. http://cgit.openembedded.org/openembedded/tree/recipes/log4cxx)
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licensed with the MIT License.
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The core-image-ros recipe originated from the core-image-minimal recipe in OpenEmbedded Core
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(cf. http://cgit.openembedded.org/openembedded-core/tree/meta/recipes-core/images/core-image-minimal.bb)
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licensed with the MIT License.
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The distutils class originated the distutils class in OpenEmbedded Core
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(cf. http://cgit.openembedded.org/openembedded-core/tree/meta/classes/distutils.bbclass)
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licensed with the MIT License.
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The modified files are redistributed here under the same MIT License.
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