ANT Secure DFU Bootloader problem

RE: ANT Secure DFU Bootloader problem

Hung Bui — Wed, 11 Oct 2023 13:36:21 GMT

I'm glad that you resolved the issue :) Thanks for reporting it back.

RE: ANT Secure DFU Bootloader problem

Lorenzo_B — Wed, 11 Oct 2023 11:45:18 GMT

I resolved the issue! I've explained it in the previous answer, i think the ticket can be closed.

I am using a 64 bit Windows, i reinstalled 32 bit python and then installed using pip command nrfutil. I recommend to install python 3.9 since using the last python version lead to many issues with nrfutil package.

RE: ANT Secure DFU Bootloader problem

Hung Bui — Wed, 11 Oct 2023 10:44:14 GMT

Hi Lorenzo,
I assume you are using a 32 bit Windows , correct ?
We will need to look at how you install nrfutil and how you install python and the antlib module.
Maybe you can try remove them and install again, make sure to use 32bit version ?

RE: ANT Secure DFU Bootloader problem

Lorenzo_B — Wed, 11 Oct 2023 10:41:08 GMT

I managed to do OTA firmware pudate using ANT!

To overcome the problem of 32 bit ant library I've installed python 3.9 32 bit then installed nrfutil using pip command.

The I followed nordic devzone tutorial about dfu secure (there is not a specific tutorial for ANT but the one for bluethoot could be a good guide)

nRF5 SDK v17.1.0 Secure DFU Hands-on Tutorial

To complete the dfu transfer i had to comment line 141 and 142 of dfu_transport_ant.py file that can be found C:\Users\Name\AppData\Local\Programs\Python\Python39-32\Lib\site-packages\nordicsemi\dfu after having nrfutil installed.

I used a nrf52840 board (even if the ant_dfu_secure_example in the SDK are for pca10040 it is possible to use them with pca10056 with some memory adjustment on application and bootloader .em files).

I used an ANt USB2 stick so idon't know if it works with ant USBm stick.

Thank for the help!

RE: ANT Secure DFU Bootloader problem

Lorenzo_B — Tue, 10 Oct 2023 21:48:59 GMT

Hello, how can i tell the .py programs to run the win32 .dlll library instead of the win64? I try delteing the entire win64 folder containing the .dll file but the warining is still present.

I also tried to comment the warining in the antdevice.py file line 68 but, again, it show up the moment i run the nrfutil command.

RE: ANT Secure DFU Bootloader problem

Hung Bui — Tue, 10 Oct 2023 12:58:19 GMT

Hi Lorenzo,
Could you check C:\Users\YOURUSERNAME\AppData\Local\Programs\Python\Python310\Lib\site-packages\antlib if you see win64 or win32

From what I can see in the code it seems that it complains that the platform was win32 but the dll was 64: