I redid FatFS to work async or in polling mode. Works well on my STM32H755zi, on CM4. Most functions are enabled, though I didnt do all of them. Maybe plan on adding them later if there is any interest.Figured I'd share since not having an async FatF...

{static void* data;func ->structure* s = new structure();// do stuffdata = s;return;  Callback ->structure* s = (structure*) data;// Error} Functions are more or less setup as above. This setup is used in many locations on the code, works just fine. ...