CONFIG_LOG_BACKEND_RTT_MESSAGE_SIZE

Size of internal buffer for storing messages.

Type: int

Help

This option defines maximum message size transferable to up-buffer.

Direct dependencies

LOG_BACKEND_RTT_MODE_DROP && LOG_BACKEND_RTT && !LOG_FRONTEND && !LOG_MODE_MINIMAL && LOG

(Includes any dependencies from ifs and menus.)

Default

• 128

Kconfig definition

At <Subsystem>/logging/Kconfig.backends:137

Included via Kconfig:8 → Kconfig.zephyr:44 → <Subsystem>/Kconfig:31 → <Subsystem>/logging/Kconfig:23

Menu path: (Top) → Sub Systems and OS Services → Logging → Backends → Enable Segger J-Link RTT backend

config LOG_BACKEND_RTT_MESSAGE_SIZE
    int "Size of internal buffer for storing messages."
    range 32 256
    default 128
    depends on LOG_BACKEND_RTT_MODE_DROP && LOG_BACKEND_RTT && !LOG_FRONTEND && !LOG_MODE_MINIMAL && LOG
    help
      This option defines maximum message size transferable to up-buffer.

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