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44 lines
1.5 KiB
Markdown
44 lines
1.5 KiB
Markdown
# Raspberry Pi - ROS installation
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This is a guide on how to install ROS-indigo on a Raspberry Pi 2 serving as a companion computer for Pixhawk.
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## Prerequisites
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- A working Raspberry Pi with monitor, keyboard, or configured SSH connection
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- This guide assumes that you have Raspbian "JESSIE" installed on your RPi. If not: [install it](https://www.raspberrypi.org/downloads/raspbian/) or [upgrade](https://raspberrypi.stackexchange.com/questions/27858/upgrade-to-raspbian-jessie) your Raspbian Wheezy to Jessie.
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## Installation
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Follow [this guide](https://wiki.ros.org/ROSberryPi/Installing%20ROS%20Indigo%20on%20Raspberry%20Pi) for the actual installation of ROS Indigo. Note: Install the "ROS-Comm" variant. The Desktop variant is too heavyweight.
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### Errors when installing packages
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If you want to download packages (e.g. `sudo apt-get install ros-indigo-ros-tutorials`), you might get an error saying: "unable to locate package ros-indigo-ros-tutorials".
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If so, proceed as follows:
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Go to your catkin workspace (e.g. ~/ros_catkin_ws) and change the name of the packages.
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```sh
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$ cd ~/ros_catkin_ws
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$ rosinstall_generator ros_tutorials --rosdistro indigo --deps --wet-only --exclude roslisp --tar > indigo-custom_ros.rosinstall
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```
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Next, update your workspace with wstool.
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```sh
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$ wstool merge -t src indigo-custom_ros.rosinstall
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$ wstool update -t src
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```
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Next (still in your workspace folder), source and make your files.
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```sh
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$ source /opt/ros/indigo/setup.bash
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$ source devel/setup.bash
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$ catkin_make
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```
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