:orphan:

.. title:: BT_CTLR_ISO_TX_BUFFERS

.. option:: CONFIG_BT_CTLR_ISO_TX_BUFFERS

*Number of Isochronous Tx buffers*

Type: ``int``

Help
====

Set the number of Isochronous Tx PDUs to be queued for transmission
in the controller.

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

(\ :option:`BT_CTLR_ADV_ISO <CONFIG_BT_CTLR_ADV_ISO>` || \ :option:`BT_CTLR_SYNC_ISO <CONFIG_BT_CTLR_SYNC_ISO>` || \ :option:`BT_CTLR_CENTRAL_ISO <CONFIG_BT_CTLR_CENTRAL_ISO>` || \ :option:`BT_CTLR_PERIPHERAL_ISO <CONFIG_BT_CTLR_PERIPHERAL_ISO>`) && \ :option:`BT_CTLR <CONFIG_BT_CTLR>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`

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

Default
=======

- 3

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

.. highlight:: kconfig

At ``subsys/bluetooth/controller/Kconfig:198``

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

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

.. parsed-literal::

    config BT_CTLR_ISO_TX_BUFFERS
    	int "Number of Isochronous Tx buffers"
    	range 1 19
    	default 3
    	depends on (\ :option:`BT_CTLR_ADV_ISO <CONFIG_BT_CTLR_ADV_ISO>` || \ :option:`BT_CTLR_SYNC_ISO <CONFIG_BT_CTLR_SYNC_ISO>` || \ :option:`BT_CTLR_CENTRAL_ISO <CONFIG_BT_CTLR_CENTRAL_ISO>` || \ :option:`BT_CTLR_PERIPHERAL_ISO <CONFIG_BT_CTLR_PERIPHERAL_ISO>`) && \ :option:`BT_CTLR <CONFIG_BT_CTLR>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`
    	help
    	  Set the number of Isochronous Tx PDUs to be queued for transmission
    	  in the controller.

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