:orphan:

.. title:: BT_CTLR_ULL_LOW_PRIO

.. option:: CONFIG_BT_CTLR_ULL_LOW_PRIO

*Upper Link Layer Low IRQ priority*

Type: ``int``

Help
====

The interrupt priority for Ticker's Job IRQ and Upper Link Layer
lower priority functions.

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

\ :option:`BT_LL_SW_SPLIT <CONFIG_BT_LL_SW_SPLIT>` && \ :option:`BT_CTLR <CONFIG_BT_CTLR>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`

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

Default
=======

- \ :option:`BT_CTLR_ULL_HIGH_PRIO <CONFIG_BT_CTLR_ULL_HIGH_PRIO>`

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

.. highlight:: kconfig

At ``subsys/bluetooth/controller/Kconfig.ll_sw_split:298``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``subsys/Kconfig:9`` → ``subsys/bluetooth/Kconfig:240`` → ``subsys/bluetooth/controller/Kconfig:594``

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

.. parsed-literal::

    config BT_CTLR_ULL_LOW_PRIO
    	int "Upper Link Layer Low IRQ priority" if \ :option:`BT_CTLR_ULL_LLL_PRIO_SUPPORT <CONFIG_BT_CTLR_ULL_LLL_PRIO_SUPPORT>` && \ :option:`BT_CTLR_ADVANCED_FEATURES <CONFIG_BT_CTLR_ADVANCED_FEATURES>` && \ :option:`BT_LL_SW_SPLIT <CONFIG_BT_LL_SW_SPLIT>` && \ :option:`BT_CTLR <CONFIG_BT_CTLR>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
    	range \ :option:`BT_CTLR_ULL_HIGH_PRIO <CONFIG_BT_CTLR_ULL_HIGH_PRIO>` 3 if \ :option:`SOC_SERIES_NRF51X <CONFIG_SOC_SERIES_NRF51X>`
    	range \ :option:`BT_CTLR_ULL_HIGH_PRIO <CONFIG_BT_CTLR_ULL_HIGH_PRIO>` 6 if \ :option:`SOC_SERIES_NRF52X <CONFIG_SOC_SERIES_NRF52X>` || \ :option:`SOC_SERIES_NRF53X <CONFIG_SOC_SERIES_NRF53X>`
    	default \ :option:`BT_CTLR_ULL_HIGH_PRIO <CONFIG_BT_CTLR_ULL_HIGH_PRIO>`
    	depends on \ :option:`BT_LL_SW_SPLIT <CONFIG_BT_LL_SW_SPLIT>` && \ :option:`BT_CTLR <CONFIG_BT_CTLR>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
    	help
    	  The interrupt priority for Ticker's Job IRQ and Upper Link Layer
    	  lower priority functions.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*