ros2_playground

A playground holding small toy examples for getting started with ROS 2.

Tested with:

• Ubuntu 20.04 LTS
• ROS Foxy

Software Requirement

Install ROS 2 Foxy and Colcon with:

sudo apt install ros-foxy-desktop python3-colcon-common-extensions

Building

Create a workspace with

mkdir -p ~/ros2_starter_ws/src

Clone the current repo into src folder:

cd ~/ros2_starter_ws/src
git clone https://github.com/shineyruan/ros2_playground.git

Build the current repo with Colcon

cd ~/ros2_starter_ws
colcon build

Usage

1. ROS 2 C++ talker and listener (message communication).

source install/setup.bash
ros2 run cpp_talker_listener cpp_talker_node

In another terminal:

source install/setup.bash
ros2 run cpp_talker_listener cpp_listener_node

References

• Colcon
• ROS 2 Documentation: Foxy