Help¶

The size, in bytes, of user data to allocate for each mcumgr buffer. Different mcumgr transports impose different requirements for this setting. A value of 4 is sufficient for UART, shell, and bluetooth.

Defaults¶

4

Kconfig definition¶

At subsys/mgmt/Kconfig:77

Included via Kconfig:10 → Kconfig.zephyr:35 → subsys/Kconfig:20

Menu path: (top menu) → Management

config MCUMGR_BUF_USER_DATA_SIZE
    int
    prompt "Size of mcumgr buffer user data"
    default 4
    help
      The size, in bytes, of user data to allocate for each mcumgr buffer.
      Different mcumgr transports impose different requirements for this
      setting.  A value of 4 is sufficient for UART, shell, and bluetooth.

(Definitions include propagated dependencies, including from if’s and menus.)