Out of curiosity:
Would it be an interesting product if there would be an evse with iso15118 support running Linux that is kind of open, in the sense of open source Software, but closed Hardware (due to NDA)?
Price point should be around 200€

Same goes for an car addon that adds plug n charge ...

I did use the lumissil chip because it is available: https://www.digikey.de/en/products/detail/IS31CG5317-LQLS3-TR/2521-IS31CG5317-LQLS3-TRCT-ND/16643168?curr=eur&utm_campaign=buynow&utm_medium=aggregator&utm_source=octopart
The SPI Driver for Linux was promised as open source and kind of is: https ...

Hi,
I'm their supervisor at the university (Hochschule RheinMain in Germany).

I just wanted to leave the information that the problem lies with the codico boards somewhere.
The codico boards (on their eval boards and our custom hardware) connect to each other just fine, they also get some kind of ...