:orphan:

.. title:: BT_H4

.. option:: CONFIG_BT_H4

*H:4 UART*

Type: ``bool``

Help
====

.. code-block:: none

    Bluetooth H:4 UART driver. Requires hardware flow control
    lines to be available.

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

\ :option:`SERIAL <CONFIG_SERIAL>` && \ :ref:`<choice BT_HCI_BUS_TYPE: Bluetooth HCI driver> <choice_6>`

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

Symbols selected by this symbol
===============================

- \ :option:`UART_INTERRUPT_DRIVEN <CONFIG_UART_INTERRUPT_DRIVEN>`
- \ :option:`BT_UART <CONFIG_BT_UART>`
- \ :option:`BT_RECV_IS_RX_THREAD <CONFIG_BT_RECV_IS_RX_THREAD>`

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



At ``<Zephyr Driver>/bluetooth/hci/Kconfig:14``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:32`` → ``<Zephyr Driver>/Kconfig:8`` → ``<Zephyr Driver>/bluetooth/Kconfig:16``

Menu path: (Top) → Device Drivers → Bluetooth Drivers → Bluetooth HCI driver

.. code-block:: kconfig

    config BT_H4
    	bool "H:4 UART"
    	select UART_INTERRUPT_DRIVEN
    	select BT_UART
    	select BT_RECV_IS_RX_THREAD
    	depends on SERIAL && <choice BT_HCI_BUS_TYPE>
    	help
    	  Bluetooth H:4 UART driver. Requires hardware flow control
    	  lines to be available.

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