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Tello ROS driver

ROS driver used in the multi-agent reinforcement learning control for drones.

fork from TIERS/tello-driver-ros

Installation

We will use by default the same workspace as for the drone-racing repo: https://github.com/TIERS/drone-racing.

If you don't have it, create the workspace and clone this repo

mkdir -p  ~/drone_racing_ws/src && cd ~/drone_racing_ws/src
git clone --recursive https://github.com/TIERS/tello-driver-ros.git

Install dependencies

sudo apt install ros-melodic-camera-info-manager-py ros-melodic-codec-image-transport python-catkin-tools python3-dev python3-pip python-dev python-pip
sudo -H pip3 install --upgrade pip
sudo -H pip3 install https://github.com/damiafuentes/DJITelloPy/archive/master.zip

And build it

cd ~/drone_racing_ws
catkin init
catkin build

Launch for Tello with its own Wi-Fi AP

  • Turn on Tello drone
  • Connect to drone's WiFi access point (TELLO_XXXXXX)

Then launch the driver

source ~/drone_racing_ws/devel/setup.bash
roslaunch tello_driver tello_node.launch tello_ip:="192.168.10.1"

You can control it with the teleop_twist_keyboard node. Install it with

sudo apt install ros-melodic-teleop-twist-keyboard

and run it

rosrun teleop_twist_keyboard teleop_twist_keyboard.py cmd_vel:=/tello/cmd_vel

Launch for Tello Edo connected to same Wi-Fi network

  • Turn on Tello EDU drone
  • Check IP (for the course, they are written on top of the drone)

Then launch the driver modifying the IP

source ~/drone_racing_ws/devel/setup.bash
roslaunch tello_driver tello_node.launch tello_ip:="192.168.XXX.XXX"

ROS Nodes

Subscribed topics

Published topics

Parameters

  • ~/tello_driver_node/connect_timeout_sec
  • ~/tello_driver_node/fixed_video_rate
  • ~/tello_driver_node/local_cmd_client_port
  • ~/tello_driver_node/local_vid_server_port
  • ~/tello_driver_node/stream_h264_video
  • ~/tello_driver_node/tello_cmd_server_port
  • ~/tello_driver_node/tello_ip
  • ~/tello_driver_node/vel_cmd_scale
  • ~/tello_driver_node/video_req_sps_hz
  • ~/tello_driver_node/altitude_limit
  • ~/tello_driver_node/attitude_limit
  • ~/tello_driver_node/low_bat_threshold

Contact

For any questions, write to [email protected].

Visit us at https://tiers.utu.fi

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ROS driver for DJI/Ryze Tello drones

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