Help¶

Enable inverted polarity (active low) for the CSN pin.

Direct dependencies¶

BT_CTLR_FEM_NRF21540 && BT_LL_SW_SPLIT && BT_CTLR && BT_HCI && BT

(Includes any dependencies from ifs and menus.)

Default¶

y

Kconfig definition¶

At <Zephyr>/subsys/bluetooth/controller/Kconfig.ll_sw_split:720

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:34 → <Zephyr>/subsys/Kconfig:9 → <Zephyr>/subsys/bluetooth/Kconfig:307 → <Zephyr>/subsys/bluetooth/controller/Kconfig:633

Menu path: (Top) → Sub Systems and OS Services → Bluetooth → Bluetooth Controller → nRF21540 GPIO interface

config BT_CTLR_GPIO_CSN_POL_INV
    bool "Inverted polarity for the CSN pin"
    default y
    depends on BT_CTLR_FEM_NRF21540 && BT_LL_SW_SPLIT && BT_CTLR && BT_HCI && BT
    help
      Enable inverted polarity (active low) for the CSN pin.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)