:orphan:

.. title:: CONFIG_SHELL_BACKEND_SERIAL_CHECK_DTR

.. kconfig:: CONFIG_SHELL_BACKEND_SERIAL_CHECK_DTR

CONFIG_SHELL_BACKEND_SERIAL_CHECK_DTR
#####################################

*Check DTR signal before TX*

Type: ``bool``

Help
====

.. code-block:: none

    Check DTR signal before TX.

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

(\ :kconfig:`BL654_USB_SERIAL_BACKEND_CDCACM <CONFIG_BL654_USB_SERIAL_BACKEND_CDCACM>` && \ :kconfig:`BOARD_BL654_USB <CONFIG_BOARD_BL654_USB>`) || (\ :kconfig:`UART_LINE_CTRL <CONFIG_UART_LINE_CTRL>` && \ :kconfig:`SHELL_BACKEND_SERIAL <CONFIG_SHELL_BACKEND_SERIAL>` && \ :kconfig:`SHELL_BACKENDS <CONFIG_SHELL_BACKENDS>` && \ :kconfig:`SHELL <CONFIG_SHELL>`)

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

Default
=======

- \ :kconfig:`SHELL <CONFIG_SHELL>`

Kconfig definitions
===================



At ``<Boards>/arm/bl654_usb/Kconfig.defconfig:43``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top) → Use CDC ACM UART as backend for BL654 USB adapter

.. code-block:: kconfig

    config SHELL_BACKEND_SERIAL_CHECK_DTR
    	bool
    	default SHELL
    	depends on BL654_USB_SERIAL_BACKEND_CDCACM && BOARD_BL654_USB

----

At ``<Subsystem>/shell/backends/Kconfig.backends:74``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:44`` → ``<Subsystem>/Kconfig:45`` → ``<Subsystem>/shell/Kconfig:18``

Menu path: (Top) → Sub Systems and OS Services → Shell → Enable shell backends → Enable serial backend

.. code-block:: kconfig

    config SHELL_BACKEND_SERIAL_CHECK_DTR
    	bool "Check DTR signal before TX"
    	depends on UART_LINE_CTRL && SHELL_BACKEND_SERIAL && SHELL_BACKENDS && SHELL
    	help
    	  Check DTR signal before TX.

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