69 lines
2.2 KiB
Plaintext
69 lines
2.2 KiB
Plaintext
# Copyright Nordic Semiconductor ASA 2023. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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menuconfig MCUMGR_GRP_SETTINGS
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bool "MCUmgr handlers for settings management"
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depends on SETTINGS
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depends on SETTINGS_RUNTIME
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select MCUMGR_SMP_CBOR_MIN_DECODING_LEVEL_2
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select MCUMGR_SMP_CBOR_MIN_ENCODING_LEVEL_2 if ZCBOR_CANONICAL
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select MCUMGR_SMP_CBOR_MIN_ENCODING_LEVEL_1
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help
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Enables MCUmgr handlers for settings manipulation.
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if MCUMGR_GRP_SETTINGS
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choice MCUMGR_GRP_SETTINGS_BUFFER_TYPE
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prompt "Buffer type"
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default MCUMGR_GRP_SETTINGS_BUFFER_TYPE_STACK
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help
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Selects if the stack or heap will be used for variables that are
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needed when processing requests.
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config MCUMGR_GRP_SETTINGS_BUFFER_TYPE_STACK
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bool "Stack (fixed size)"
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help
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Use a fixed size stack buffer, any user-supplied values longer than
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this will be rejected.
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Note that stack usage for parameter storage alone will be
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MCUMGR_GRP_SETTINGS_NAME_LEN + MCUMGR_GRP_SETTINGS_VALUE_LEN,
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therefore the MCUmgr stack should be appropriately sized.
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config MCUMGR_GRP_SETTINGS_BUFFER_TYPE_HEAP
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bool "Heap (dynamic size)"
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depends on COMMON_LIBC_MALLOC_ARENA_SIZE > 0
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help
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Use dynamic heap memory allocation through malloc, if there is
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insufficient heap memory for the allocation then the request will be
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rejected.
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endchoice
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config MCUMGR_GRP_SETTINGS_NAME_LEN
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int "Maximum setting name length"
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default 32
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help
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Maximum length of a key to lookup, this will be the size of the
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variable if placed on the stack or the maximum allocated size of the
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variable if placed on the heap.
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config MCUMGR_GRP_SETTINGS_VALUE_LEN
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int "Maximum setting value length"
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default 32
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help
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Maximum length of a value to read, this will be the size of the
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variable if placed on the stack or the allocated size of the
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variable if placed on the heap (settings does not support getting
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the size of a value prior to looking it up).
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config MCUMGR_GRP_SETTINGS_ACCESS_HOOK
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bool "Settings access hook"
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depends on MCUMGR_MGMT_NOTIFICATION_HOOKS
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help
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Allows applications to control settings management access by
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registering for a callback which is then triggered whenever a
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settings read or write attempt is made.
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endif
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