Help: Mosaic-X5 HAT unresponsive after failed firmware upgrade

GPS/GNSS
1

hi folks,

I have a Sparkfun Mosaic-X5 HAT (/dev/ttyACM4 & 5) on a Raspberry Pi with a Waveshare SIM7670G cellular modem HAT (/dev/ttyACM0-3).

I downloaded the latest firmware v4.15.1 from Septentrio and then tried to update the firmware using the Mosaic Web UI. After it performed the upgrade (approximately 200 secs) it popped up a window asking for the Factory set username and password, which I could not find. So I shut down the Raspberry Pi stack.

Now I cannot access the Mosaic via the https://192.168.3.1 connection, nor can I connect to it via serial port using minicom or screen to /dev/ttyACM4 {error: open (/dev/ttyACM4): permission denied – Line in use}.

How do I get it back to working state again. Please help.

Cheers,

-atin

2

Septentrio has made it more difficult to use the receiver for “security” reasons.

The factory username and password you need might be “RxAdmin” and “S3pt3ntr10”.

See section 1.3.1 of the Mosaic-X5 Firmware v4.15.1 Reference Guide.

For six years firmware upgrades were painless. Not so much for the current one.

1 Like
3

Thanks a lot @jpb! Unfortunately, right now I cannot get to the Mosaic HAT at all, no web ui or serial port access! Thats what I’m struggling with at present. This is my first firmware update with the Mosaic HAT and it definitely wasn’t painless! :wink:

4

@jpb : thank you. That’s really good to know. (I haven’t yet updated any of my X5’s to 4.15.1…)

@atin_kothari : Oh dear. I have some suggestions that may help:

If you can, please remove the Waveshare cellular HAT, just in case it is causing issues on the X5 COM ports.

Power up your Pi with the X5 HAT attached.
Connect the HAT USB-C port to a Windows PC using a standard USB-C to USB-A 2.0 cable.
Do the X5 virtual COM ports appear?
If they do, then it may be possible to re-update using RxTools RxUpgrade.

There is a ‘trick’ where you can force the X5 into its “Waiting for SUF download” state by resetting it four times with no GNSS antenna connected. Disconnect the antenna. Power up your Pi with the X5 HAT attached. Then use a jumper wire to reset the GNSS: briefly short the HAT RST pad to GND:

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Do that four plus times, waiting a few seconds between resets, and see if it allows you to connect.

If that doesn’t help, then please let us know and we will ask Septentrio for help and advice.

Best wishes,
Paul

5

There is more info about “Waiting for SUF download” in the link below:

https://customersupport.septentrio.com/s/article/How-to-troubleshoot-receiver-reporting-Ready-for-SUF-download

6

Thanks @PaulZC!!! I totally forgot about the RxUpgrade path using a PC! Using the user/pswd that @jpb provided from the reference guide its back online now!!

Thanks again!

Cheers!

1 Like
7

@jpb, it worked! I used the PC to connect to the Mosaic HAT as @PaulZC suggested and used RXUpgrade to upgrade the firmware and then reconnected it to my RPi and used the user/pswd combo you provided.

It’s all goood now!

Thanks & cheers!