Trying and failing to run the MQTT sample on nRF52840-DK + nRF7002-EK

RE: Trying and failing to run the MQTT sample on nRF52840-DK + nRF7002-EK

runsiv — Thu, 19 Sep 2024 08:58:18 GMT

I see Marte has been assigned to the case, so you are in good hands

Regards

Runar

RE: Trying and failing to run the MQTT sample on nRF52840-DK + nRF7002-EK

__RICHARD__ — Thu, 19 Sep 2024 04:29:24 GMT

Hi Runar,

I opened a different but related question here:
Can't build MQTT sample for custom board with nrf52840 + nrf7002 via QSPI

If you can possibly take a look that would be great.

RE: Trying and failing to run the MQTT sample on nRF52840-DK + nRF7002-EK

runsiv — Fri, 30 Aug 2024 10:16:50 GMT

Sounds good to me, have a great weekend

Runar

RE: Trying and failing to run the MQTT sample on nRF52840-DK + nRF7002-EK

__RICHARD__ — Fri, 30 Aug 2024 08:09:43 GMT

Thanks Runar, I built the contents of the zip you sent, after creating a build configuration for it, and it ran successfully (no crash, connected and sent MQTT messages as expected).

So that's great. I have some questions about the config, but I've run out of time today so will post again soon.

RE: Trying and failing to run the MQTT sample on nRF52840-DK + nRF7002-EK

runsiv — Thu, 29 Aug 2024 13:11:00 GMT

No worries, I would recommend having a look at the projected I upload and test it to see if it behaves the same way on your system

Regards

Runar

RE: Trying and failing to run the MQTT sample on nRF52840-DK + nRF7002-EK

__RICHARD__ — Thu, 29 Aug 2024 09:39:48 GMT

Thanks Runar, it'll be 12 hours or so before I can run on the hardware again, I'll get some logs then. But in the meantime I've attached the prj.conf and the shell_prj.conf I mentioned in my first post.devzone.nordicsemi.com/.../5126.prj.conf

devzone.nordicsemi.com/.../shell_5F00_prj.conf

RE: Trying and failing to run the MQTT sample on nRF52840-DK + nRF7002-EK

runsiv — Thu, 29 Aug 2024 06:55:10 GMT

Hi Richard

I will look into your case. I would just as start note that the 52840 might face memory constrains with using MQTT. As you can see from the Host device consideration the nRF52840 is not recommended for end-device to cloud application, it should work but it is not something we would recommend.

Just in general I would always recommend if you are new to our wifi stack to go to DevAcademy and have a look at our Wi-Fi Fundamentals course.

As you say it just crashes, could you upload the log from when it crashes?

I would also like to have your configs including the overlay and prj.conf for the application.

edit: You can test this and see if you see the same behaviordevzone.nordicsemi.com/.../mqtt_5F00_nrf52840.zip

Regards

Runar