:orphan:

.. title:: CONFIG_ENTROPY_STM32_ISR_POOL_SIZE

.. kconfig:: CONFIG_ENTROPY_STM32_ISR_POOL_SIZE

CONFIG_ENTROPY_STM32_ISR_POOL_SIZE
##################################

*ISR-mode random number pool size*

Type: ``int``

Help
====

.. code-block:: none

    Buffer length in bytes used to store entropy bytes generated by the
    hardware to make them ready for ISR consumers.
    Please note, that size of the pool must be a power of 2.

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

\ :kconfig:`ENTROPY_STM32_RNG <CONFIG_ENTROPY_STM32_RNG>` && \ :kconfig:`ENTROPY_GENERATOR <CONFIG_ENTROPY_GENERATOR>`

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

Default
=======

- 16

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



At ``<Zephyr Driver>/entropy/Kconfig.stm32:40``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:42`` → ``<Zephyr Driver>/Kconfig:32`` → ``<Zephyr Driver>/entropy/Kconfig:16``

Menu path: (Top) → Device Drivers → Entropy Drivers → STM32 RNG driver

.. code-block:: kconfig

    config ENTROPY_STM32_ISR_POOL_SIZE
    	int "ISR-mode random number pool size"
    	range ENTROPY_STM32_ISR_THRESHOLD 256
    	default 16
    	depends on ENTROPY_STM32_RNG && ENTROPY_GENERATOR
    	help
    	  Buffer length in bytes used to store entropy bytes generated by the
    	  hardware to make them ready for ISR consumers.
    	  Please note, that size of the pool must be a power of 2.

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