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We are trying to program the MCU flash memory to write and save some data on it. After a single write to a single sector(that might have failed), when we try to write/overwrite the same sector we fail. We are using HAL_FLASHEx_Erase to delete the sector. In particular, we use the ideas in this article https://controllerstech.com/flash-programming-in-stm32/

Looking for advice on how to proceed from here/ things to think about that we might have missed. Thanks in advance.

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  • Hey! Your question is very vague. "Nothing works pls help". Please, post your code, indicate what works and what doesn't, after what line things go wrong.
    – Ilya
    Commented Aug 4, 2022 at 8:21
  • Also, you can always check if write worked by reading back from there?
    – Ilya
    Commented Aug 4, 2022 at 9:13
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