The latest development version of this page may be more current than this released 1.14.1 version.

CONFIG_MCUMGR_SMP_UART_MTU¶

UART SMP MTU

Type: int

Help¶

Maximum size of SMP frames sent and received over UART, in bytes. This value must satisfy the following relation: MCUMGR_SMP_UART_MTU <= MCUMGR_BUF_SIZE + 2

Direct dependencies¶

MCUMGR_SMP_UART

(Includes any dependencies from if’s and menus.)

Defaults¶

256 if MCUMGR_SMP_UART

Kconfig definition¶

At subsys/mgmt/Kconfig:52

Included via Kconfig:10 → Kconfig.zephyr:39 → subsys/Kconfig:22

Menu path: (top menu) → Management

config MCUMGR_SMP_UART_MTU
    int
    prompt "UART SMP MTU" if MCUMGR_SMP_UART
    default 256 if MCUMGR_SMP_UART
    depends on MCUMGR_SMP_UART
    help
      Maximum size of SMP frames sent and received over UART, in bytes.
      This value must satisfy the following relation:
      MCUMGR_SMP_UART_MTU <= MCUMGR_BUF_SIZE + 2

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