crasbe

I updated the initial message in this PR to reflect the new testing procedure, which (at this moment) requires patching the boards/nrf52840dk/include/board.h file to activate the data integrity checks.

@mguetschow the last ToDo item was meant for the boards that currently have no information about NFC at all (like the nRF52DK, nRF52840DK, ..?) So it is not quite done...

@benpicco Can we get this reactivated? The project I'm currently working on uses an ISSI flash which has the same security features (however the bit positions in the registers are...

I can confirm that the blinky example is compiling and working on the following Nucleos: NUCLEO-L073RZ NUCLEO-L452RE NUCLEO-G474RE My NUCLEO-WB55 is at home, perhaps I can test it tomorrow.

You should probably update the title and the description a bit to reflect the current state of this PR 🤔😅

> Does anyone of the active @RIOT-OS/maintainers have hardware and time to test this? Seems like a worthwhile PR to me. I am not a maintainer, but I can test...

So... I'm not sure if we can reach @gschorcht, but the main thing that conflicts with a rebase to the current master branch is the location of the test in...

> Are you happy with your testing @crasbe? If so, do we have a chance of merging it this year? Super awesome to push through with a five year old...

I tested the I2C variant successfully with a NUCLEO-L073RZ board. Pin 0, 4 is A2 on the Nucleo and Pin 0,6 is D12. In the original test instructions, there are...

@gschorcht It's all good, I should've just read the README, which is up to date. I am very thankful that you're still pushing this through (especially considering it's that old)...