:orphan:

.. title:: choice: LFN memory mode

.. _choice_518:

.. describe:: choice: LFN memory mode

*LFN memory mode*

Type: ``bool``

Direct dependencies
===================

\ :kconfig:`FS_FATFS_LFN <CONFIG_FS_FATFS_LFN>` && \ :kconfig:`FAT_FILESYSTEM_ELM <CONFIG_FAT_FILESYSTEM_ELM>` && \ :kconfig:`FILE_SYSTEM <CONFIG_FILE_SYSTEM>`

*(Includes any dependencies from ifs and menus.)*

Default
=======

- \ :kconfig:`FS_FATFS_LFN_MODE_BSS <CONFIG_FS_FATFS_LFN_MODE_BSS>`

Choice options
==============

- \ :kconfig:`FS_FATFS_LFN_MODE_BSS <CONFIG_FS_FATFS_LFN_MODE_BSS>`
- \ :kconfig:`FS_FATFS_LFN_MODE_STACK <CONFIG_FS_FATFS_LFN_MODE_STACK>`
- \ :kconfig:`FS_FATFS_LFN_MODE_HEAP <CONFIG_FS_FATFS_LFN_MODE_HEAP>`

Kconfig definition
==================



At ``<Zephyr Subsystem>/fs/Kconfig.fatfs:68``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:44`` → ``<Zephyr Subsystem>/Kconfig:25`` → ``<Zephyr Subsystem>/fs/Kconfig:60``

Menu path: (Top) → Sub Systems and OS Services → File Systems → File system support → ELM FAT file system support → ELM FAT file system settings → Enable long filenames (LFN)

.. code-block:: kconfig

    choice
    	bool "LFN memory mode" if FAT_FILESYSTEM_ELM
    	default FS_FATFS_LFN_MODE_BSS
    	depends on FS_FATFS_LFN && FAT_FILESYSTEM_ELM && FILE_SYSTEM

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*