How to use SPIFFS with lv_arduino on ESP32?

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I think @TridentTD may have implemented this.

[Request] lvgl's filesystem for ESP32's SPIFFS?

Description I would like to use a binary image-source that placed on ESP32’s SPIFFS. However lvgl needs to create lvgl’s filesystem first. I have read from the manual, but I don’t know about file and filesystem much to link between ESP32’ SPIFFS to lvgl’s filesystem by drive-letter F: . Wish lvgl has the code for SPIFFS’s filesystem too. Thank you very much.