I want to create custom firmware that can read Pico calc SD and I want more features (display audio etc) later
a good starting point would be picocalc_text_starter
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What’s that?
I’ve seen allot of fatfs repos but I want to be a bit more low level and for a file system if there is one to be made by me so I just want to be able to read a page (512b) and write a sector (4096b)
May not be as low level as you are looking for.
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Thanks 
, checked out the repo, it had almost everything 
, for the SD I can use sd_card.h /sd_card.c, haven’t checked out the rest yet, although I still need to know if there is a gpio sheet for Pico calc
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