Can't upload image in serial recovery mode with mcumgr

RE: Can't upload image in serial recovery mode with mcumgr

Andrea Verdecchia — Tue, 23 Jan 2024 16:21:07 GMT

[quote userid="106736" url="~/f/nordic-q-a/107657/can-t-upload-image-in-serial-recovery-mode-with-mcumgr/465647"]Serial Recovery has a reduced command set for SMP, to save space. Echo is not expected to work.[/quote]

Ok, I get it.

[quote userid="106736" url="~/f/nordic-q-a/107657/can-t-upload-image-in-serial-recovery-mode-with-mcumgr/465647"]It may very well be that my example is configured wrong. It is the "unofficial" part of it, where I do not guarantee proper testing. I think I should maybe update it to not specify MTU and just use the default instead.[/quote]

So everything is normal, good! Thanks anyway.

RE: Can't upload image in serial recovery mode with mcumgr

Sigurd Hellesvik — Tue, 23 Jan 2024 15:36:24 GMT

Good job figuring that out!

[quote user="Thoraz"]But the echo command still not works. [/quote]

Serial Recovery has a reduced command set for SMP, to save space. Echo is not expected to work.

[quote user="Thoraz"]I took the value 512 from the exampe and I can't find why for me doesn't work.[/quote]

It may very well be that my example is configured wrong. It is the "unofficial" part of it, where I do not guarantee proper testing. I think I should maybe update it to not specify MTU and just use the default instead.

RE: Can't upload image in serial recovery mode with mcumgr

Andrea Verdecchia — Tue, 23 Jan 2024 12:49:09 GMT

Hold on!!! I think I just found the problem. In the connection configuration of mcumgr if I set the mtu=128 the upload command works! But the echo command still not works. For me is enough but can you explain me why the mtu size is the problem? I took the value 512 from the exampe and I can't find why for me doesn't work.

RE: Can't upload image in serial recovery mode with mcumgr

Andrea Verdecchia — Tue, 23 Jan 2024 12:31:03 GMT

[quote userid="106736" url="~/f/nordic-q-a/107657/can-t-upload-image-in-serial-recovery-mode-with-mcumgr/465550"]Do you have a nRF Developement Kit? If so, have you been able test the sample for that?[/quote]

I've just tested it on the nRF52840DK and it gave me same issue: the only command that seems to work is the "image list".

C:\ncsapps\gravity\sdk_2_5_1\test\smp_dfu>mcumgr -c COM17 image list
Images:
 image=0 slot=0
    version: 0.0.0
    bootable: false
    flags:
    hash: aad9eaa9ae50d2c4c86d7a968b5f5b55002e2159d60fd79225d95e728778758c
Split status: N/A (0)

One question: if the "image list" command returns it means that the UART serial interface in mcuboot is working properly, am I right?

RE: Can't upload image in serial recovery mode with mcumgr

Sigurd Hellesvik — Tue, 23 Jan 2024 12:25:13 GMT

Hi,

First, it is a good idea to check if the issue is on the PC side or PCB side.

Do you have a nRF Developement Kit? If so, have you been able test the sample for that?

Regards,
Sigurd Hellesvik