:orphan:

.. title:: CONFIG_SDMMC_STM32_HWFC

.. kconfig:: CONFIG_SDMMC_STM32_HWFC

CONFIG_SDMMC_STM32_HWFC
#######################

*STM32 SDMMC Hardware Flow control*

Type: ``bool``

Help
====

.. code-block:: none

    Enable SDMMC Hardware Flow Control to avoid FIFO underrun (TX mode) and
    overrun (RX mode) errors.

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

\ :kconfig:`SDMMC_STM32 <CONFIG_SDMMC_STM32>` && (\ :kconfig:`SOC_SERIES_STM32H7X <CONFIG_SOC_SERIES_STM32H7X>` || \ :kconfig:`SOC_SERIES_STM32F7X <CONFIG_SOC_SERIES_STM32F7X>` || \ :kconfig:`SOC_SERIES_STM32L4X <CONFIG_SOC_SERIES_STM32L4X>`) && \ :kconfig:`DISK_DRIVER_SDMMC <CONFIG_DISK_DRIVER_SDMMC>` && \ :kconfig:`DISK_DRIVERS <CONFIG_DISK_DRIVERS>`

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

Defaults
========

No defaults. Implicitly defaults to ``n``.

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



At ``<Driver>/disk/Kconfig.sdmmc:59``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:42`` → ``<Driver>/Kconfig:116`` → ``<Driver>/disk/Kconfig:13``

Menu path: (Top) → Device Drivers → Disk Drivers → SDMMC card driver → STM32 SDMMC driver

.. code-block:: kconfig

    config SDMMC_STM32_HWFC
    	bool "STM32 SDMMC Hardware Flow control"
    	depends on SDMMC_STM32 && (SOC_SERIES_STM32H7X || SOC_SERIES_STM32F7X || SOC_SERIES_STM32L4X) && DISK_DRIVER_SDMMC && DISK_DRIVERS
    	help
    	  Enable SDMMC Hardware Flow Control to avoid FIFO underrun (TX mode) and
    	  overrun (RX mode) errors.

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