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ros-g29-force-feedback

ROS2 package to control force feedback of logitech g29 steering wheel with ros message, written in c++, for human beings all over the world. This is useful for the user interface of autonomous driving, driving simulator like CARLA, LGSVL etc.

examples/carla_control.py

demo_gif

Features

  • Standalone ros package to control steering wheel. (doesn't depend on the other ros packages like ros-melodic-joy etc.)

  • Two control modes

    • Control mode (config/g29.yaml/auto_centering=false)
      Rotate wheel to the specified angle (position) with specified torque as specified with rostopic.

    • Auto centering mode (config/g29.yaml/auto_centering=true)
      Automatically centering position, without publishing rostopic.

  • ROS1 and ROS2 support. (if you use ROS1, checkout and refer ros1 branch)

    ROS version g29 g923
    ROS1 -- --
    Kinetic tested no
    Melodic tested no
    Noetic tested no
    ROS2 -- --
    Dashing no no
    Foxy tested no
    Galactic tested no
    Humble no no

Requirement of master branch

  • ubuntu18-22
  • ROS2
  • Logitech G29 Driving Force Racing Wheel (Planning to test with g923)

To check whether your kernel supports force feedback, do as follows

$ cat /boot/config-5.3.0-46-generic | grep CONFIG_LOGIWHEELS_FF
CONFIG_LOGIWHEELS_FF=y

If you cannot get CONFIG_LOGIWHEELS_FF=y, try to find patch or use latest kernel...

Install

  1. create ros2_ws 
    mkdir -p ros2_ws/src
cd /ros2_ws
colcon build
  2. download and build package 
    cd /ros2_ws/src
git clone https://github.com/kuriatsu/ros-g29-force-feedback.git
cd ../
colcon build --symlink-install

Usage

  1. Get device name

    $ cat /proc/bus/input/devices

    find Logitech G29 Driving Force Racing Wheel and check Handlers (ex. event19)

  2. Change device_name in config/g29.yaml to the device name you obtained in step 1

  3. Launch ros node

    $ source ros2_ws/install/setup.bash
$ ros2 run ros_g29_force_feedback g29_force_feedback --ros-args --params-file ros2_ws/src/ros_g29_force_feedback/config/g29.yaml

  4. Publish message (It's better to use tab completion)

    $ ros2 topic pub /ff_target ros_g29_force_feedback/msg/ForceFeedback "{header: {stamp: {sec: 0, nanosec: 0}, frame_id: ''}, position: 0.3, torque: 0.5}"

    Once the message is published, the wheel rotates to 0.3*<max_angle> (g29: max_angle=450° clockwise, -450° counterclockwise). Publish rate is not restricted.

Parameter

g29_force_feedback.yaml

parameter default description
device_name /dev/input/event19 device name, change the number
loop_rate 0.1 Loop of retrieving wheel position and uploading control to the wheel
max_torque 1.0 As for g29, 1.0 = 2.5Nm (min_torque < max_torque < 1.0)
min_torque 0.2 Less than 0.2 cannot rotate wheel
brake_torque 0.2 Braking torque to stop at the position (descrived below)
brake_position 0.1 Brake angle (position-0.1*max_angle)
auto_centering_max_torque 0.3 Max torque for auto centering
auto_centering_max_position 0.2 Max torque position while auto centering (position±0.2*max_angle)
eps 0.01 Wheel in the range (position-eps to position+eps) is considered as it has reached the position
auto_centering false Anto centering if true

ros_g29_ff

Contribution

  1. Fork it (https://github.com/kuriatsu/g29-force-feedback.git)
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

Author

kuriatsu

Change Log

2023-03-19

Bag fix in ros1 branch thanks to pedrohdsimoes

2022-11-6

examples added

An example script of CARLA connection was added. Rotate the wheel according to the ego vehicle spawned in CARLA as shown in the GIF image.

2022-04-21

ROS2-Foxy integration

Now available in ROS2-Foxy thanks to JLBicho

2021-11-03

Huge Improvement !!!

Oscillation problem solved. Wheel stops at the specified position, then starts auto centering. Auto centering mode are set by rosparam in config/g29.yaml, not by rostopic. Name of topic variables changed.

2020-10-10

changed

PID-Constant mode can be changed dynamically!! Removed mode selection from rosparam. Rotation force is ignored when PID mode. (max force can be specified with rosparam (not dynamic))

Reference

https://www.kernel.org/doc/html/v5.4/input/ff.html
https://github.com/flosse/linuxconsole/tree/master