Suggestion #2
Description
Hello, I saw your post on LittleFS and I was already searching for some implementation of XMODEM/YMODEM to use on my projects. I'm gonna dig your code to make some adaptions for my project (I don't use FreeRTOS-Plus-CLI, my preference is for NT-Shell).
That said, I managed to use LZFX (https://github.com/janding/lzfx or other github forks based on the old http://lzfx.googlecode.com) and I can say that it works very nice with LittleFS, when compressing/decompressing full files. I couldn't make a way to store/retrieve my log data directly in compressed files, I think the necessary abstraction layer to make this is more than I'm able to do, but the approach of compressing individual log files when they are not used was very satisfactory.