CONFIG_SDMMC_STM32_HWFC

STM32 SDMMC Hardware Flow control

Type: bool

Help

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

Direct dependencies

SDMMC_STM32 && (SOC_SERIES_STM32H7X || SOC_SERIES_STM32F7X || SOC_SERIES_STM32L4X) && DISK_DRIVER_SDMMC && DISK_DRIVERS

(Includes any dependencies from ifs and menus.)

Defaults

No defaults. Implicitly defaults to n.

Kconfig definition

At <Zephyr>/drivers/disk/Kconfig.sdmmc:59

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:42 → <Zephyr>/drivers/Kconfig:116 → <Zephyr>/drivers/disk/Kconfig:13

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

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.)