OTA DFU Thread: board not found

RE: OTA DFU Thread: board not found

Charlie — Wed, 02 Jun 2021 13:04:14 GMT

Hi Alessio,

I am following a similar case from your colleague. I will reply to that one later.

Best regards,

Charlie

RE: OTA DFU Thread: board not found

AS_Kalpa — Mon, 31 May 2021 15:28:22 GMT

Hi all!

I'm working back on this problem.

I'm using something different from NRF52840-DK because we need a custom board to act as a DFU server, but the MCU is the same (NRF52840) so the solution MUST work also in our custom setup.

At the moment I have an Adafruit breakout board as a development kit (https://cdn-learn.adafruit.com/assets/assets/000/068/545/original/circuitpython_nRF52840_Schematic_REV-D.png?1546364754)

I'm able to flash the connectivity firmware (comparing Adafruit and DK memory the fw is the same) but probably I'm not assigning the right UART connection.

I'm using an external Jlink to flash the fw (--snr 801022847).

How can I set the right COM port? With the DK I used just the COM port that the board opens when you plug it in the PC.

Thanks,
Alessio

RE: OTA DFU Thread: board not found

Charlie — Thu, 18 Mar 2021 14:39:39 GMT

[quote user="AS_Kalpa"]Can you explain better this please?[/quote]

It means what it means. The connectivity firmware is something different. It is used by the nRF5 Bluetooth Low Energy GAP/GATT driver, not for DFU purposes.

[quote user="AS_Kalpa"]is it possibile to have source code for this kind of fw?[/quote]

The source code of connectivity fw is located in nRF5_SDK\examples\connectivity\ble_connectivity. The connectivity firmware used for pc-ble-driver is a slightly modified version of the connectivity firmware from the SDK. You also must use the correct SDK version. You can find more suggetions from another ticket.

Charlie

RE: OTA DFU Thread: board not found

AS_Kalpa — Wed, 17 Mar 2021 16:29:19 GMT

Hi Charlie,

I've found this release note for nrfutil v6.1 that says that we can flash connectivity fw automatically with nrfutil on a nrf52840 dongle

Can you explain better this please?

Another question, is it possibile to have source code for this kind of fw?

Thanks in advance

RE: OTA DFU Thread: board not found

Charlie — Tue, 16 Mar 2021 17:48:17 GMT

Hi AS_Kalpa,

The example uses nRF52840DK as a DFU server. nRF52840 Dongle cannot be used as a DFU server by far, so you will not able to use Adafruit NRF52840 either.

You can find some explanation here: (+) OpenThread DFU server - Nordic Q&A - Nordic DevZone - Nordic DevZone (nordicsemi.com)

Charlie

RE: OTA DFU Thread: board not found

AS_Kalpa — Tue, 16 Mar 2021 16:47:50 GMT

Hi Charlie,

I got that NRF52 DK is quite different respect to Adafruit NRF52840 and NRF52840 dongle so I have to use another way to make it working.

First of all, I got that I have to flash the connectivity fw following GitHub - NordicSemiconductor/pc-ble-driver at v4.1.1, so:

nrfutil dfu usb_serial -pkg connectivity_x.x.x_usb_with_s<x>_<a>.<b>.<c>_dfu_pkg.zip -p <serial port>

Then, I think that I should run the nrfutil dfu thread command line:

nrfutil dfu thread -pkg app_dfu_package.zip -p COM12 --channel 11 --panid 43981 -r 1 -rs 5000 -a FF03::1

without the "-f" parameter cause I already have the connectivity fw flashed.

But I receive back this error:

It seems like my connectivity fw is wrong, but I don't know where I can find the right one.

Thanks

RE: OTA DFU Thread: board not found

Charlie — Tue, 16 Mar 2021 16:32:38 GMT

Hi AS_Kalpa,

Did you see the device on the device manager?

Which terminal you are using? Maybe you can try with Windows Command Prompt?

Charlie

RE: OTA DFU Thread: board not found

AS_Kalpa — Tue, 16 Mar 2021 16:11:50 GMT

did anyone try to implement OTA DFU Thread exploiting something different respect to NRF52 DK as DFU server?