Orange Cube no longer connects to QGround Control

1

Earlier today I tried to flash my Orange Cube with a custom firmware to use the crsf_rc module like in this article: Reptile Dragon 2 (RD2) Build | PX4 User Guide

Well it worked and everything was great. Then I changed a parameter that says ‘crsf_telem’ or something and that worked as well but the connection with qground control over USB died shortly after. I can flash firmware still, and I can connect for basic telemetry in mission planner but nothing will connect in qgroundcontrol. I have flashed back and forth to different FW and I get nothing. If I remove flow control from the link and manually start it in qground control I can see mavlink packets coming it at a somewhat crazy fast rate but it still doesn’t connect to let me edit parameters.

I have never been able to use ardupilot successfully on the orange cube so that’s not an option and without qgroundcontrol I can’t setup the sensors and options. Any advice or help?

To be clear - I have tried px4 v1.13.3 and 1.13.2. I have also tried the newest version of arducopter. In device manager I only ever get 1 com port -
image

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I would try to connect via Telem1 via an FTDI cable or a SiK radio. Then you should be able to reset the parameters.

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What you could also try is to do add a file extras.txt in a folder etc on the SD card like and add a command to reset a specific param, or all:

param reset PARAMNAME
param reset_all

This script should then be executed on startup. Once done, make sure to remove it again ;).

4

Well, the telem1 on FTDI or Sik Radio did not work. Those were some of the first things I tried last night. I’ll attempt to work with the resetting parameters option. Do parameters not get reset when you flash new firmware?

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The params don’t get reset. They are stored on FRAM.

6

Resetting the parameters worked well. This is a good thing to note especially when switching between Arducopter and PX4. Thank You for all your help.

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7

Nice! A contribution to the docs is always appreciated.

@hamishwillee where could we add to the docs how to reset params via SD card if a Pixhawk does no longer boot correctly?

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There are a few places we might try. The question is how likely people are to find it. How about in a troubleshooting section at the end of Loading Firmware | PX4 User Guide?

Perhaps even better, a section in Parameters & Configurations | PX4 User Guide linked from a troubleshooting section in firmware above.

Seem reasonable?

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PS if this is likely cube specific, also link from cube docs

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Yes, that would make sense.

@Christopher_Watson so that would be here: PX4-user_guide/en/config/firmware.md at 5b0147ca905bc5b1de5f5c72fac8703afc76ac65 · PX4/PX4-user_guide · GitHub

This is not really Cube specific.

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Thank you all so much.

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Hello,
i faced this problem too . cube+ connecting to missionplanner but not in qgcs.
after reading this topic/thread i reset all parameters from missionplanner and then tried connection with qgcs and it works.
so my question is which parameter is affecting to gcs connection but not to missionplanner connection?