PX4 Dev Call: June 16, 2021

June 16, 2021

Join us


  • Community Q&A
  • Roadmap
  • High priority queue
  • Release
  • In-Depth discussions

Community Q&A

  • @david_s5 is waiting for his pr to get merged. It passes all tests, it was reviewed, merged. Thanks for the contribution!
  • Cristian has issues with obstacle avoidance flying:

We need to forward the issue to an insider to get the right answer. A log of a failing takeoff on https://logs.px4.io/ would be very useful.

  • Eren Ipek (Maxwell Innovations) is waiting for his distance sensor driver to be reviewed:
  • @JulianOes Accelerometer calibration can get stuck: Accel calibration gets stuck · Issue #17769 · PX4/PX4-Autopilot · GitHub These should be actual failure cases e.g. sensor dropouts, bad state that is now properly catched and slipped through before.

  • Kevin is new to PX4 and he’s trying to run the simulation. He’s wondering what the role of gazebo and ROS is in the project.
    There’s two reasons why ROS is mentioned together with ROS:

    So PX4 is independent from ROS but they can be used together.

  • Kevin’s second question: Is uORB the internal protocol and MAVLink the external communication.
    Correct, uORB is used to communicate between PX4 internal modules and for autopilot logging purposes. MAVLink is used as API for external components like ground station, companion computer, … to command and get information from PX4.

  • Kevin’s third question: Is it possible to get an FPV stream from the simulation? Yes e.g. in gazebo with the Typhoon H480 model.
    Gazebo Vehicles | PX4 User Guide
    Gazebo Vehicles | PX4 User Guide
    Quicker but less featurerich way to get an FPV picture: You can start a jMAVsim simulation and press the “F” key in the simulator window.


Release blocker board: v1.12 Release Coordination · GitHub


Discussion based on board: Roadmap · GitHub

High priority queue

Discussion based on board: High-Priority Queue · GitHub

In-Depth discussions

For smaller groups expanding technical discussions, stay until the end and follow up.

If you have any feedback or corrections please comment on this post.