CONFIG_BT_CTLR_LOW_LAT_ULL

Low latency ULL

Type: bool

Help

Low latency ULL implementation that uses tailchaining instead of while loop to demux rx messages from LLL.

Direct dependencies

BT_CTLR_LOW_LAT && BT_LL_SW_SPLIT && (BT_LL_SW_SPLIT || BT_LL_SW_LEGACY) && BT_CTLR && BT_HCI && BT

(Includes any dependencies from ifs and menus.)

Default

  • y

Kconfig definition

At subsys/bluetooth/controller/Kconfig:682

Included via Kconfig:8Kconfig.zephyr:44subsys/Kconfig:6subsys/bluetooth/Kconfig:161

Menu path: (Top) → Bluetooth → Bluetooth Controller → Advanced features → Low latency non-negotiating event preemption

config BT_CTLR_LOW_LAT_ULL
    bool "Low latency ULL" if BT_CTLR_ADVANCED_FEATURES
    default y
    depends on BT_CTLR_LOW_LAT && BT_LL_SW_SPLIT && (BT_LL_SW_SPLIT || BT_LL_SW_LEGACY) && BT_CTLR && BT_HCI && BT
    help
      Low latency ULL implementation that uses tailchaining instead of while
      loop to demux rx messages from LLL.

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