:orphan:

.. title:: choice: Storage back-end

.. _choice_493:

.. describe:: choice: Storage back-end

*Storage back-end*

Type: ``bool``

Help
====

.. code-block:: none

    Storage back-end to be used by the settings subsystem.

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

\ :option:`SETTINGS <CONFIG_SETTINGS>`

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

Defaults
========

- \ :option:`SETTINGS_NVS <CONFIG_SETTINGS_NVS>` if \ :option:`NVS <CONFIG_NVS>`
- \ :option:`SETTINGS_FCB <CONFIG_SETTINGS_FCB>` if \ :option:`FCB <CONFIG_FCB>`
- \ :option:`SETTINGS_FS <CONFIG_SETTINGS_FS>` if \ :option:`FILE_SYSTEM <CONFIG_FILE_SYSTEM>`
- \ :option:`SETTINGS_NONE <CONFIG_SETTINGS_NONE>`

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

- \ :option:`SETTINGS_FCB <CONFIG_SETTINGS_FCB>`
- \ :option:`SETTINGS_FS <CONFIG_SETTINGS_FS>`
- \ :option:`SETTINGS_NVS <CONFIG_SETTINGS_NVS>`
- \ :option:`SETTINGS_CUSTOM <CONFIG_SETTINGS_CUSTOM>`
- \ :option:`SETTINGS_NONE <CONFIG_SETTINGS_NONE>`

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



At ``<Zephyr Subsystem>/settings/Kconfig:36``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``<Zephyr Subsystem>/Kconfig:57``

Menu path: (Top) → Sub Systems and OS Services → Settings

.. code-block:: kconfig

    choice
    	bool "Storage back-end"
    	default SETTINGS_NVS if NVS
    	default SETTINGS_FCB if FCB
    	default SETTINGS_FS if FILE_SYSTEM
    	default SETTINGS_NONE
    	depends on SETTINGS
    	help
    	  Storage back-end to be used by the settings subsystem.

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