* Enable SPIFFS_USE_MAGIC * Enable SPIFFS_USE_MAGIC_LENGTH * Enable SPIFFS_FILEHDL_OFFSET * Rebuild mkspiffs if spiffs_config.h is changed * Emulate NOR flash in mkspiffs * Build spiffs image in 'flash' and 'test' targets
mkspiffs utility explicitly use gcc to compile
mkspiffs is added to create SPIFFS image from directory with files. Build process changed to flash SPIFFS image if necessary