CONFIG_BT_GATT_CACHING¶
GATT Caching support
Type: bool
Help¶
This option enables support for GATT Caching. When enabled the stack
will register Client Supported Features and Database Hash
characteristics which can be used by clients to detect if anything has
changed on the GATT database.
Direct dependencies¶
BT_GATT_SERVICE_CHANGED && BT_CONN && BT_HCI_HOST && BT_HCI && BT
(Includes any dependencies from ifs and menus.)
Default¶
y
Symbols selected by this symbol¶
Symbols that select this symbol¶
Kconfig definition¶
At subsys/bluetooth/host/Kconfig.gatt:88
Included via Kconfig:8 → Kconfig.zephyr:44 → subsys/Kconfig:9 → subsys/bluetooth/Kconfig:174 → subsys/bluetooth/host/Kconfig:454
Menu path: (Top) → Sub Systems and OS Services → Bluetooth → ATT and GATT Options → GATT Service Changed support
config BT_GATT_CACHING
bool "GATT Caching support"
default y
select TINYCRYPT
select TINYCRYPT_AES
select TINYCRYPT_AES_CMAC
depends on BT_GATT_SERVICE_CHANGED && BT_CONN && BT_HCI_HOST && BT_HCI && BT
help
This option enables support for GATT Caching. When enabled the stack
will register Client Supported Features and Database Hash
characteristics which can be used by clients to detect if anything has
changed on the GATT database.
(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)