Help¶

Enable support for Bluetooth v4.2 LE Data Length Update procedure, up to 251 byte cleartext payloads in the Controller. Encrypted connections are not supported.

Direct dependencies¶

SOC_SERIES_NRF51X && BT_LL_SW_SPLIT && BT_CTLR && BT_HCI && BT

(Includes any dependencies from ifs and menus.)

Defaults¶

No defaults. Implicitly defaults to n.

Kconfig definition¶

At <Zephyr>/subsys/bluetooth/controller/Kconfig.ll_sw_split:129

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:34 → <Zephyr>/subsys/Kconfig:9 → <Zephyr>/subsys/bluetooth/Kconfig:240 → <Zephyr>/subsys/bluetooth/controller/Kconfig:595

Menu path: (Top) → Sub Systems and OS Services → Bluetooth → Bluetooth Controller → Advanced features

config BT_CTLR_DATA_LENGTH_CLEAR
    bool "Data Length Support (Cleartext only)" if BT_CTLR_ADVANCED_FEATURES
    depends on SOC_SERIES_NRF51X && BT_LL_SW_SPLIT && BT_CTLR && BT_HCI && BT
    help
      Enable support for Bluetooth v4.2 LE Data Length Update procedure, up to
      251 byte cleartext payloads in the Controller. Encrypted connections
      are not supported.

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