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Logging Library on SDCard with FreeRTOS



Working on different projects, I would like to implement a library that could either printf/write on FatFS logs, debugs informations, ...

I'm wondering if there are any existant library that could do the job. Looking on STM32 references, I have found FP-SNS-DATALOG1 function pack. But it seems that it is done only to log sensors informations. I dont seems build to log strings and so on.

I'm looking for a lib that could implement TRACE with different level, and where I could choose if the trace are output to the UART or to a FATFs file (SDCard in my case). I would appreciate to have the possibility to timestamp the logs.

The difficulty is that, as I am working with FreeRTOS, so the lib should work with different task working together.

Do you know any ressources that could do the job or at least by a start?

Thank you all