Question about LevelX power failure protection mechanism

Question

Nor flash has a feature: while erasing or writing, sudden power failure may cause the data of the corresponding block or page to become unstable and flip.

For example, when write data to one page, levelx will set the corresponding bit of the sector free bit map to 0. But if a power failure occurs during this process, the bit may flip between 0 and 1 when next power on.

In this case, can levelx recognize it and restore it? If no, how to solve this issue?

Thanks!

Answer 1

Are you using FileX with LevelX. if yes, Filex is designed to maintain file system integrity if the media loses power or is ejected in the middle of a file write operation.

More information on FileX Fault tolerant feature can be found here
https://learn.microsoft.com/en-us/azure/rtos/filex/chapter6#:~:text=Chapter%206%20%2D%20Azure%20RTOS%20FileX%20fault%20tolerant%20module