:orphan:

.. title:: CONFIG_BT_CTLR_LOW_LAT_ULL

.. kconfig:: CONFIG_BT_CTLR_LOW_LAT_ULL

CONFIG_BT_CTLR_LOW_LAT_ULL
##########################

*Low latency ULL*

Type: ``bool``

Help
====

.. code-block:: none

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

Direct dependencies
===================

\ :kconfig:`BT_CTLR_LOW_LAT <CONFIG_BT_CTLR_LOW_LAT>` && \ :kconfig:`BT_LL_SW_SPLIT <CONFIG_BT_LL_SW_SPLIT>` && \ :kconfig:`BT_CTLR <CONFIG_BT_CTLR>` && \ :kconfig:`BT_HCI <CONFIG_BT_HCI>` && \ :kconfig:`BT <CONFIG_BT>`

*(Includes any dependencies from ifs and menus.)*

Default
=======

- y

Kconfig definition
==================



At ``<Zephyr Subsystem>/bluetooth/controller/Kconfig.ll_sw_split:361``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:44`` → ``<Zephyr Subsystem>/Kconfig:9`` → ``<Zephyr Subsystem>/bluetooth/Kconfig:175`` → ``<Zephyr Subsystem>/bluetooth/controller/Kconfig:659``

Menu path: (Top) → Sub Systems and OS Services → Bluetooth → Bluetooth Controller → Advanced features → Low latency non-negotiating event preemption

.. code-block:: kconfig

    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_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.)*