CONFIG_BT_CTLR_XTAL_THRESHOLD

Crystal shutdown threshold in uS

Type: int

Help

Configure the optimal delta in micro seconds between two consecutive
radio events, event done to next preparation, below which (active
clock) crystal will be retained. This value is board dependent.

Direct dependencies

BT_CTLR_XTAL_ADVANCED && BT_LL_SW_SPLIT && BT_CTLR && BT_HCI && BT

(Includes any dependencies from ifs and menus.)

Default

• 1500

Kconfig definition

At <Zephyr>/subsys/bluetooth/controller/Kconfig.ll_sw_split:286

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:42 → <Zephyr>/subsys/Kconfig:9 → <Zephyr>/subsys/bluetooth/Kconfig:314 → <Zephyr>/subsys/bluetooth/controller/Kconfig:644

Menu path: (Top) → Sub Systems and OS Services → Bluetooth → Bluetooth Controller → Advanced features → Advanced event preparation

config BT_CTLR_XTAL_THRESHOLD
    int "Crystal shutdown threshold in uS" if BT_CTLR_ADVANCED_FEATURES
    default 1500
    depends on BT_CTLR_XTAL_ADVANCED && BT_LL_SW_SPLIT && BT_CTLR && BT_HCI && BT
    help
      Configure the optimal delta in micro seconds between two consecutive
      radio events, event done to next preparation, below which (active
      clock) crystal will be retained. This value is board dependent.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)