What will nvs_flash_erase() actually erase?

Projects Programming
1

Hi

I am running an ESP32 with a webserver using some html-files stored on flash memory (SPIFFS), uploaded with the Arduino IDE tool for this purpose.

I am also using the Preferences library with a file of parameters stored on flash.

Now, if I run the nvs_flash_erase() function, will it erase all html files and the Preferences file stored in flash? Or will only parts be erased, if so, which parts?

I would like to accomplish an erase of the preferences file but not the html files.

Thanks!

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