:orphan:

.. title:: CONFIG_TASK_WDT_HW_FALLBACK_DELAY

.. kconfig:: CONFIG_TASK_WDT_HW_FALLBACK_DELAY

CONFIG_TASK_WDT_HW_FALLBACK_DELAY
#################################

*Additional delay for hardware watchdog (ms)*

Type: ``int``

Help
====

.. code-block:: none

    The timeout of the hardware watchdog fallback will be increased by
    this value to provide sufficient time for corrective actions in the
    callback function.

    In addition to that, the delay allows to compensate deviations
    between different clock sources for the hardware watchdog and the
    kernel timer. This is especially important if the hardware watchdog
    is clocked by an inaccurate low-speed RC oscillator.

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

\ :kconfig:`TASK_WDT_HW_FALLBACK <CONFIG_TASK_WDT_HW_FALLBACK>`

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

Default
=======

- 20

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



At ``<Zephyr Subsystem>/task_wdt/Kconfig:47``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:44`` → ``<Zephyr Subsystem>/Kconfig:59``

Menu path: (Top) → Sub Systems and OS Services → Task-level software watchdog → Use hardware watchdog as a fallback

.. code-block:: kconfig

    config TASK_WDT_HW_FALLBACK_DELAY
    	int "Additional delay for hardware watchdog (ms)"
    	range 1 1000
    	default 20
    	depends on TASK_WDT_HW_FALLBACK
    	help
    	  The timeout of the hardware watchdog fallback will be increased by
    	  this value to provide sufficient time for corrective actions in the
    	  callback function.
	  
    	  In addition to that, the delay allows to compensate deviations
    	  between different clock sources for the hardware watchdog and the
    	  kernel timer. This is especially important if the hardware watchdog
    	  is clocked by an inaccurate low-speed RC oscillator.

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