SPIFFS
Creating an image
This implementation is supposed to be compatible with images generated by the following tools:
- ESP-IDF spiffsgen.py 
Note: please ensure the following NuttX configs to be compatible with these tools:
- CONFIG_SPIFFS_COMPAT_OLD_NUTTXis disabled
- CONFIG_SPIFFS_LEADING_SLASH=y
mkspiffs
- Specify - CONFIG_SPIFFS_NAME_MAX + 1for- SPIFFS_OBJ_NAME_LEN.
- Specify 0 for - SPIFFS_OBJ_META_LEN.
ESP-IDF spiffsgen.py
- Specify - CONFIG_SPIFFS_NAME_MAX + 1for the- --obj-name-lenoption.
- Specify 0 for the - --meta-lenoption.