RoPod/Tutorials/ROS installation: Difference between revisions

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<div style="width: 40%; float: right;"><center>{{:RoPod_Table_Menu}}</center></div>
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<div style="float: left; width:60%">
=Get familiar with ROS =
=Get familiar with ROS=
The Robot Operating System (ROS) is a framework for writing robot software. ROS uses concepts like nodes, topics, messages, etc. Get familiar with them by searching on the web. You can start reading at:
The Robot Operating System (ROS) is a framework for writing robot software. ROS uses concepts like nodes, topics, messages, etc. Get familiar with them by searching on the web. You can start reading at:
http://wiki.ros.org/ROS/Concepts
http://wiki.ros.org/ROS/Concepts


= Install basic set of packages =  
=Install basic set of packages=  


<pre>sudo apt-get -y update && apt-get install -y \
<pre>sudo apt-get -y update && apt-get install -y \
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libjsoncpp-dev</pre>
libjsoncpp-dev</pre>


=Install ROS =
=Install ROS=
ROS have several distributions (versions). Install ROS kinetic distribution, which is the one compatible with ubuntu 16.04. Follow the instructions on this webpage. Install the Desktop-Full version. Make sure you follow at least steps 1.1-1.7 in the webpage .
ROS have several distributions (versions). Install ROS Noetic distribution, which is the one compatible with Ubuntu 20.04. Follow the instructions on this webpage. Install the Desktop-Full version. Make sure you follow '''at least steps 1.1-1.6 in the webpage.'''
 
http://wiki.ros.org/noetic/Installation/Ubuntu
 
Note: An alternative method would be to install Docker with pre-installed ROS: https://hub.docker.com/_/ros


http://wiki.ros.org/kinetic/Installation/Ubuntu


To test the installation, run in a terminal the ROS core:
To test the installation, run in a terminal the ROS core:
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<pre>/rosout
<pre>/rosout
/rosout_agg</pre>
/rosout_agg</pre>
= Follow basic tutorials for ROS =
Get familiar with ROS using the tutorials for beginners available at http://wiki.ros.org/ROS/Tutorials.
Get familiar with catkin workspaces, which will allow you to build a ROS node in the future. Moreover, get familiar on how to run a ros node.
= Install ROPOD Basis Software =
Clone the main repository with the .rosinstall containing the tree structure of the whole software.
    git clone https://github.com/ropod-project/tree-devpc.git
Open the .rosinstall from the shell just to inspect it.
    cd tree-devpc
    gedit .rosinstall
This file is a compilation of other repositories that need to be setup and all together compose the ROPOD software. You can now close it and run the installation script. It will install all the different repositories in your home directory. To install run:
    ./install_software
Take a look at the structure of Ropod-repository. All packages were now placed in the ~/ropod-project-software-catkin_workspace/src folder. This folder contains 3 other folders:
* functionalities: Here, all non-standard ros-packages are placed, such as ED, but also packages for localization, navigation, etc.
* platform: Files corresponding to specific platforms located in this folder, while general files for getting the communication with the sensors to work is placed in the robot_common sub-folder
* applications: In order to configure the robot for specific use-cases, all the relevant files are placed here.
Next step is to install the software dependencies, i.e. non standard packages and third party software:
=Install Dependencies =
First, make sure your system is up-to-date:
    sudo apt-get update
    sudo apt-get upgrade
Then, install all ROS dependencies by running
    cd ''_catkin_workspace_dir_''
    sudo rosdep init
    rosdep update
    rosdep install --from-path . -i -y
Install other 3-rd party dependencies by running
    sudo apt-get install libbullet-dev libsdl-image1.2-dev libsdl-dev
   
Next, only of you are a contributor to the private ROPOD repository (you should have already been informed by your coach if you are), install the following packages, otherwise jump to "Compile Software" section.
'''ROPOD specific packages'''
    cd ''_catkin_workspace_dir_''/src
    wstool init
    wstool up
'''ROPOD-common lib'''
git clone git@git.ropod.org:ropod/ropod_common.git
sudo mv ropod_common /opt/
'''Zyre'''
On the git-page of Sebastian Blumenthal, a bash script can be found to install the zyre-dependencies:
    cd ~
    wget https://raw.githubusercontent.com/blumenthal/ropod-base-cpp/master/install_deps.sh
    chmod 755 install_deps.sh
    sudo ./install_deps.sh --workspace-path=/opt --install-path=/usr/local
    cd /opt
    sudo mkdir ropod
    sudo mv ropod_common/ ropod
= Compile Software =
The first time you install the files in your computer be sure that the folders ‘build’ and ‘devel’ are removed, as well as the file src/Cmakelists.txt
Then, on the main directory level, run a  cmake command to generate the executable files
<pre>catkin_make</pre>
To do all these actions at once, you can run the alias
<pre>clean_build</pre>
However a clean build is only necessary twice each time you want to add functionality. At the very beginning after updating the repository and at the end before commiting changes to the repository.
In the next part of the tutorial we are going to see how [[ RoPod/Tutorials/Matlab and a ROS node interface | Matlab and ROS can communicate]].
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Latest revision as of 13:58, 15 February 2023

Get familiar with ROS

The Robot Operating System (ROS) is a framework for writing robot software. ROS uses concepts like nodes, topics, messages, etc. Get familiar with them by searching on the web. You can start reading at: http://wiki.ros.org/ROS/Concepts

Install basic set of packages

sudo apt-get -y update && apt-get install -y \
	nano \
	vim \
	git \
	mercurial \
	cmake \
	build-essential \
	automake \
	libtool \
	libtool-bin \
	pkg-config \
	wget \
	curl \
	unzip \
	libjsoncpp-dev

Install ROS

ROS have several distributions (versions). Install ROS Noetic distribution, which is the one compatible with Ubuntu 20.04. Follow the instructions on this webpage. Install the Desktop-Full version. Make sure you follow at least steps 1.1-1.6 in the webpage.

http://wiki.ros.org/noetic/Installation/Ubuntu

Note: An alternative method would be to install Docker with pre-installed ROS: https://hub.docker.com/_/ros


To test the installation, run in a terminal the ROS core: 

roscore

Then in another terminal you can type: 

rostopic list

You should be able to see at least the following: 

/rosout
/rosout_agg
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