Location for extended non volitile storage

[ScruffR]

There was a thread just a few days back that also refers to flash_storage_impl.h and that also addresses the Factory Reset block

Handling Certificates with limited storage space

I ran into a little problem in that it looks like the system firmware prevents writing to the backup firmware slot from user firmware using the updates API. This is not an unreasonable thing to do, but it limits the usefulness. However, if you have a situation where you can pre-load the flash by USB DFU, I published that part of the code. Basically, there’s a tool that allows you to create a virtual file system of files into a single .bin file which you can upload by DFU. Then, there’s a reall…