esp-idf/components/spiffs/Kconfig

menu "SPIFFS Configuration"

config SPIFFS_MAX_PARTITIONS
    int "Maximum Number of Partitions"
    default 3
    range 1 10
    help
        Define maximum number of partitions 
        that can be mounted.

menu "SPIFFS Cache Configuration"
config SPIFFS_CACHE
    bool "Enable SPIFFS Cache"
    default "y"
    help
        Enables/disable memory read 
        caching of nucleus file system 
        operations.

config SPIFFS_CACHE_WR
    bool "Enable SPIFFS Write Caching"
    default "y"
    depends on SPIFFS_CACHE
    help
        Enables memory write caching for 
        file descriptors in hydrogen.

config SPIFFS_CACHE_STATS
    bool "Enable SPIFFS Cache Statistics"
    default "n"
    depends on SPIFFS_CACHE
    help
        Enable/disable statistics on caching. 
        Debug/test purpose only.

endmenu

config SPIFFS_PAGE_CHECK
    bool "Enable SPIFFS Page Check"
    default "y"
    help
        Always check header of each 
        accessed page to ensure consistent state.
        If enabled it will increase number 
        of reads, will increase flash.

config SPIFFS_GC_MAX_RUNS
    int "Set Maximum GC Runs"
    default 10
    range 1 255
    help
        Define maximum number of gc runs to 
        perform to reach desired free pages.

config SPIFFS_GC_STATS
    bool "Enable SPIFFS GC Statistics"
    default "n"
    help
        Enable/disable statistics on gc. 
        Debug/test purpose only.

config SPIFFS_OBJ_NAME_LEN
    int "Set SPIFFS Maximum Name Length"
    default 32
    range 1 256
    help
        Object name maximum length. Note that this length 
        include the zero-termination character, 
        meaning maximum string of characters can at most be 
        SPIFFS_OBJ_NAME_LEN - 1.

config SPIFFS_USE_MAGIC
    bool "Enable SPIFFS Filesystem Magic"
    default "y"
    help
        Enable this to have an identifiable spiffs filesystem. 
        This will look for a magic in all sectors 
        to determine if this is a valid spiffs system 
        or not on mount point.

config SPIFFS_USE_MAGIC_LENGTH
    bool "Enable SPIFFS Filesystem Length Magic"
    default "y"
    depends on SPIFFS_USE_MAGIC
    help
        If this option is enabled, the magic will also be dependent 
        on the length of the filesystem. For example, a filesystem 
        configured and formatted for 4 megabytes will not be accepted 
        for mounting with a configuration defining the filesystem as 2 megabytes.

config SPIFFS_META_LENGTH
    int "Size of per-file metadata field"
    default 4
    help
        This option sets the number of extra bytes stored in the file header.
        These bytes can be used in an application-specific manner.
        Set this to at least 4 bytes to enable support for saving file
        modification time.

config SPIFFS_USE_MTIME
    bool "Save file modification time"
    default "y"
    depends on SPIFFS_META_LENGTH >= 4
    help
        If enabled, then the first 4 bytes of per-file metadata will be used
        to store file modification time (mtime), accessible through
        stat/fstat functions.
        Modification time is updated when the file is opened.

menu "Debug Configuration"

config SPIFFS_DBG
    bool "Enable general SPIFFS debug"
    default "n"
    help
        Enabling this option will print 
        general debug mesages to the console

config SPIFFS_API_DBG
    bool "Enable SPIFFS API debug"
    default "n"
    help
        Enabling this option will print 
        API debug mesages to the console

config SPIFFS_GC_DBG
    bool "Enable SPIFFS Garbage Cleaner debug"
    default "n"
    help
        Enabling this option will print 
        GC debug mesages to the console

config SPIFFS_CACHE_DBG
    bool "Enable SPIFFS Cache debug"
    default "n"
    depends on SPIFFS_CACHE
    help
        Enabling this option will print 
        Cache debug mesages to the console

config SPIFFS_CHECK_DBG
    bool "Enable SPIFFS Filesystem Check debug"
    default "n"
    help
        Enabling this option will print 
        Filesystem Check debug mesages 
        to the console

config SPIFFS_TEST_VISUALISATION
    bool "Enable SPIFFS Filesystem Visualization"
    default "n"
    help
        Enable this option to enable SPIFFS_vis function 
        in the api.

endmenu

endmenu