How to use the Over-The-Air function?

Official Hardware Portenta Family Portenta H7
1

I found a tutorial about Over-The-Air update and it says that I need to convert my .bin file to .ota file. For that I have to use the tools in the ArduinoIoT folder on the github. The problem is that the tools don't work as they're supposed to, the python scripts contain errors and I fail to convert my .bin file. Has anyone tried to do this before ? Is there another way to convert the .bin file into a .ota file ?
Thank you.

2

Hi @ramiraz

for which board are you trying to generate the ota file? Assuming you are using portenta this is the correct command:

python bin2ota.py PORTENTA_H7_M7 Sketch.bin Sketch.ota

i've tested it now and it workswithout problems.

3

@pennam Shouldn't I convert the bin file to lzss first ?
In the tutorial, it says that I have to convert the bin file to lzss then from lzss to ota

4

Correct! the complete procedure is:

python lzss.py --encode Sketch.bin Sketch.lzss
bin2ota.py PORTENTA_H7_M7 Sketch.lzss Sketch.ota
5

yes my problem is that the lzss.py script doesn't work. It gives me an error : OSError [WinError 193]

6

I think I got it. The script works only on linux and MacOS because of the shared library

7

But in the tutorial there is both windows and linux commands so it should work on both. Also, I tried on an ubuntu virtual machine and I had an error as well.

8

We are fixing the tutorial right now
@ramimarz @pennam

You can check the new changes at Portenta H7 - OTA Tutorial Content Fix by TaddyHC · Pull Request #746 · arduino/docs-content · GitHub

In any case on Ubuntu should work, what error are you getting there?