Help¶

Stack size needed for executing bt_send with specified driver. NOTE: This is an advanced setting and should not be changed unless absolutely necessary

Direct dependencies¶

BT_HCI && BT

(Includes any dependencies from ifs and menus.)

Defaults¶

512 if BT_H4
512 if BT_H5
416 if BT_SPI
940 if BT_CTLR && BT_LL_SW_SPLIT && NO_OPTIMIZATIONS
1024 if BT_CTLR && BT_LL_SW_SPLIT && BT_CENTRAL
640 if BT_CTLR && BT_LL_SW_SPLIT
512 if BT_USERCHAN
640 if BT_STM32_IPM
1024

Kconfig definition¶

At subsys/bluetooth/host/Kconfig:74

Included via Kconfig:8 → Kconfig.zephyr:34 → subsys/Kconfig:9 → subsys/bluetooth/Kconfig:239

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

config BT_HCI_TX_STACK_SIZE
    int "HCI Tx thread stack size" if BT_HCI_TX_STACK_SIZE_WITH_PROMPT
    default 512 if BT_H4
    default 512 if BT_H5
    default 416 if BT_SPI
    default 940 if BT_CTLR && BT_LL_SW_SPLIT && NO_OPTIMIZATIONS
    default 1024 if BT_CTLR && BT_LL_SW_SPLIT && BT_CENTRAL
    default 640 if BT_CTLR && BT_LL_SW_SPLIT
    default 512 if BT_USERCHAN
    default 640 if BT_STM32_IPM
    default 1024
    depends on BT_HCI && BT
    help
      Stack size needed for executing bt_send with specified driver.
      NOTE: This is an advanced setting and should not be changed unless
      absolutely necessary

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