November 16, 2022
Join us
Agenda
- Community Announcement
- Community Q&A
- Project Updates
- General Discussions
- Weekly Overview
- High priority queue
- Release
Community Announcement
PX4 Irchel SITL Site meetup happened!
This is not SITL!
Log is here: https://logs.px4.io/plot_app?log=1bc00b8c-b61c-4e2b-b9e0-b8e2cb78ee53
If any issue is found, please share on Discord / Github!
Community Q&A (No deep technical discussions)
Guideline for asking a Question
- Specify what you are trying to achieve
- Specify what environment / platform you are using
- Prepare a Link or Document to help understand if possible
- First, ask the question on the Slack or create a Github Issue!
- If you take over 5 minutes for the question, please continue in Slack or a Github Issue.
Q.1 : HITL Takeoff fails on JSBSim
I’m trying to do HITL simulation for a FixedWing aircraft on JSBSim, I can connect and ARM the plane, when trying to takeoff, it rolls / goes haywire and crashes. I have tried every takeoff method. SITL works already.
Manual takeoff ( RC and Joystick ) , Mission mode, Offboard mode.
I’m have tried HITL simulation on CubeOrange on PX4 version 1.12.3 / 1.13.0. and ran the simulation HITL Branch on Ubuntu 20.
- RASCAL XML was changed
Diagnosis: Vehicle’s Actuator ouptut is probably not correctly configured.
Actuator doc on actuator ouput: Actuator Configuration and Testing | PX4 User Guide (main)
Q.2 : Camera Trigger not working - Jay 
With A7R Camera, the camera isn’t triggering.
Camera_Trigger: Output to trigger camera. Enabled whenTRIG_MODE==0. Configured viaTRIG_*parameters.
From here: Actuator Configuration and Testing | PX4 User Guide (main)
Using camera trigger test app. Seems like it is trying to focus the camera or sth.
Matthias: Maybe it’s because trigger pulses are too frequently being sent out (e.g. When you press camera trigger quickly, it usually focuses).
TODO: Will check the actual PWM output via Signal analyser.
Project Updates
P.1 :
General Discussions
D.1 : MAVLink PR Revert - Alex
TODO: Catch Hamish to discuss why this broke QGC Communication part of PX4.
Weekly Overview
Github
Pull Requests
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Issues
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Discord
Last Dev-Call
- PR Template revision: Suggestion to make the pull request template more "concise" by MaEtUgR · Pull Request #20573 · PX4/PX4-Autopilot · GitHub, shall we get this in?
- TODO: Ramon will create PR explaining why uploading Log is important
- Arbitrary mag rotation PR: https://github.com/PX4/PX4-Autopilot/pull/20247, Hamish is good on Doc PR side, is anyone else interested in reviewing? We can get this in!
- DO_CHANGE_SPEED Improvements PR: Ability to digest climb speed and descent speed with mav command MAV_CMD_DO_CHANGE_SPEED by afwilkin · Pull Request #20495 · PX4/PX4-Autopilot · GitHub, @AWilkins_Ascend
- Just needs review, this adds in ‘vertical speed’ settings! Tested in Mission.
- Idle throttle setting for D-Shot: @chris1seto → Log is here: https://review.px4.io/plot_app?log=39866f5c-ac1c-4932-8322-8d3456fce7b6
- Pulsing is only observed on the physical vehicle.
High priority queue
Discussion based on: High-Priority Queue · GitHub
Release