Update from SD-Card

RE: Update from SD-Card

nevi — Wed, 02 Mar 2022 09:44:35 GMT

I also need a solution for the SD-Card firmware update. Could you please share your results?
I would even like the non-working version. It would be a good starting point.
I’m thinking primarily of the version in which you didn’t write directly into the flash, because the firmware must be signed. So I want the zip package go through the normal DFU processing.

Thanks in advance!

RE: Update from SD-Card

JVKran — Wed, 16 Jun 2021 15:04:47 GMT

Hi Einar,

I'm sorry for not responding. I've been busy with an alternative implementation as I thought that would be the better route.

I've started with the serial_dfu source file and altered it in such a way that the incoming bytes aren't from UART but from FatFS. That's when the SLIP decoder just hangs.

But, as I've already said, I've now got another implementation that writes the binary file straight from the SD-card into the flash memory with the help of the NVMC. This is then executed in a similair manner as is done with DFU.

Anyway, thanks for your help and sorry for wasting your time.

Kind regards,

Jochem

RE: Update from SD-Card

Einar Thorsrud — Fri, 11 Jun 2021 11:26:32 GMT

Hi,

DFU via SD card is not something that is supported, so you must implement this yourself, as you are about to do. It is not clear to me exactly how you do this, though, nor which issues you are seeing. Perhaps you can elaborate?