ESP8266 Community Forum

Hello there folks, does anyone know how I would go about uploading a spiffs.bin file via WebUpdate?

Thanks for your time,
Munt.

Although I didn't tried it myself, the ESP8266HTTPUpdateServer is using the core UpdaterClass which has the following method :

UpdaterClass::begin(size_t size, int command);

ESP8266HTTPUpdateServer is calling it without the command argument, so it ends up using the default U_FLASH command.

By modifying the ESP8266HTTPUpdateServer to explicitly using the U_SPIFFS command, it should work.

<edit>

Thanks a lot martinayotte! I was able to pass a U_SPIFFS / U_FLASH command to Update.begin().