This package contains an example demonstrating how to use the ROS2 - Gazebo bridge for a skid-steer rover controlled by ArduPilot. It assumes an advanced level of familiarity with the packages referred to below, most of the dependencies will need to be built from source.
The following instructions are for macOS (Monterey 12.5). They assume that ROS2 Humble (or Rolling) is available on the system (including rviz2), and that Gazebo Garden has been installed from source. An ArduPilot development environment must be installed including MAVProxy. The ArduPilot/ardupilot_gazebo plugins must be installed and the ArduPilot/SITL_Models repo available. Each terminal running a command will need to correctly source the appropriate environments and ensure the Gazebo environment variables specifying Gazebo resource and system plugins are exported.
Create workspace
# create workspace
$ mkdir -p ~/ros2-gz/src && cd ~/ros2-gz/src
# clone ros-gz (ros2 rolling branch)
$ git clone https://github.com/gazebosim/ros_gz.git -b ros2
# clone tf_transformations (ros2 humble may not include this)
https://github.com/DLu/tf_transformations.git
# clone dependencies for mavros (ROS2)
git clone https://github.com/ros/angles.git -b ros2
git clone https://github.com/ros/diagnostics.git -b humble
git clone https://github.com/ros/diagnostics.git -b humble
git clone https://github.com/ros-geographic-info/geographic_info.git -b ros2
git clone https://github.com/mavlink/mavlink-gbp-release.git
git clone https://github.com/srmainwaring/mavros.git -b srmainwaring/ros2-macos
# clone this repo
git clone https://github.com/srmainwaring/ros_gz_rover.gitBuild
$ cd ~/ros2-gz
$ colcon build --merge-install --cmake-args -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_MACOSX_RPATH=FALSE -DCMAKE_INSTALL_NAME_DIR=$(pwd)/install/lib -DCMAKE_CXX_STANDARD=17Launch the ROS2 nodes, the Gazebo server, and RViz
$ cd ~/ros2-gz
$ source ./install/setup.zsh
$ ros2 launch ros_gz_rover rover.launch.pyLaunch the mavros nodes including plugins from mavros_extras
$ cd ~/ros2-gz
$ source ./install/setup.zsh
$ ros2 launch ros_gz_rover mavros.launch.pyLaunch SITL and provide output to additional GCS running on another machine
$ sim_vehicle.py -N -v Rover -f rover-skid --model JSON --mavproxy-args="--out=udp:192.168.1.83:14551"Launch the Gazebo client
$ gz sim -v4 -g
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