Lv_fs_posix_path

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1

what is the meaning of set the macro LV_FS_POSIX_PATH to ./

2

If you selected posix filesystem (define LV_FS_IF_POSIX a drive letter), that sets base path for this filesystem. ./ is default if not previously specified if you see code below. win32 default is backslash

see below links for reference:

https://github.com/lvgl/lvgl/blob/master/docs/libs/fsdrv.md
old readme: https://github.com/lvgl/lv_fs_if#readme

edit: the links for code I pasted are actually old (I think), here is latest from master:
https://github.com/lvgl/lvgl/blob/master/src/extra/libs/fsdrv/lv_fs_posix.c

https://github.com/lvgl/lvgl/tree/master/src/extra/libs/fsdrv