136 lines
3.3 KiB
Plaintext
136 lines
3.3 KiB
Plaintext
# Copyright (c) 2018 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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menuconfig SETTINGS
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bool "Settings"
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help
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The settings subsystem allows its users to serialize and
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deserialize state in memory into and from non-volatile memory.
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It supports several back-ends to store and load serialized data from
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and it can do so atomically for all involved modules.
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if SETTINGS
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module = SETTINGS
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module-str = settings
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source "subsys/logging/Kconfig.template.log_config"
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endif
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config SETTINGS_RUNTIME
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bool "runtime storage back-end"
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depends on SETTINGS
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help
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Enables runtime storage back-end.
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config SETTINGS_DYNAMIC_HANDLERS
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bool "dynamic settings handlers"
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depends on SETTINGS
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default y
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help
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Enables the use of dynamic settings handlers
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# Hidden option to enable encoding length into settings entry
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config SETTINGS_ENCODE_LEN
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depends on SETTINGS
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bool
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choice SETTINGS_BACKEND
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prompt "Storage back-end"
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default SETTINGS_NVS if NVS
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default SETTINGS_FCB if FCB
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default SETTINGS_FS if FILE_SYSTEM
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default SETTINGS_NONE
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depends on SETTINGS
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help
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Storage back-end to be used by the settings subsystem.
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config SETTINGS_FCB
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bool "FCB"
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depends on FCB
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help
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Use FCB as a settings storage back-end.
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config SETTINGS_FS
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bool "File System"
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depends on FILE_SYSTEM
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select SETTINGS_ENCODE_LEN
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help
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Use a file system as a settings storage back-end.
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config SETTINGS_NVS
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bool "NVS non-volatile storage support"
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depends on NVS
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depends on FLASH_MAP
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help
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Enables NVS storage support
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config SETTINGS_CUSTOM
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bool "CUSTOM"
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help
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Use a custom settings storage back-end.
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config SETTINGS_NONE
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bool "NONE"
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help
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No storage back-end.
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endchoice
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config SETTINGS_FCB_NUM_AREAS
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int "Number of flash areas used by the settings subsystem"
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default 8
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depends on SETTINGS && SETTINGS_FCB
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help
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Number of areas to allocate in the settings FCB. A smaller number is
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used if the flash hardware cannot support this value.
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config SETTINGS_FCB_MAGIC
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hex "FCB magic for the settings subsystem"
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default 0xc0ffeeee
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depends on SETTINGS && SETTINGS_FCB
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help
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Magic 32-bit word for to identify valid settings area
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config SETTINGS_FS_DIR
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string "Serialization directory"
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default "/settings"
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depends on SETTINGS && SETTINGS_FS
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help
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Directory where the settings data is stored
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config SETTINGS_FS_FILE
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string "Default settings file"
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default "/settings/run"
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depends on SETTINGS && SETTINGS_FS
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help
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Full path to the default settings file.
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config SETTINGS_FS_MAX_LINES
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int "Compression threshold"
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default 32
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depends on SETTINGS && SETTINGS_FS
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help
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Limit how many items stored in a file before compressing
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config SETTINGS_NVS_SECTOR_SIZE_MULT
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int "Sector size of the NVS settings area"
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default 1
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depends on SETTINGS && SETTINGS_NVS
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help
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The sector size to use for the NVS settings area as a multiple of
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FLASH_ERASE_BLOCK_SIZE.
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config SETTINGS_NVS_SECTOR_COUNT
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int "Sector count of the NVS settings area"
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default 8
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depends on SETTINGS && SETTINGS_NVS
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help
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Number of sectors used for the NVS settings area
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config SETTINGS_SHELL
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bool "Settings shell"
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depends on SETTINGS && SHELL
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help
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Enable shell commands for listing and reading the settings. Note that
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reading the settings requires quite a big stack buffer, so the stack
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size of the shell thread may need to be increased to accommodate this
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feature.
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