CONFIG_IMG_MGMT_UL_CHUNK_SIZE

Maximum chunk size for image uploads

Type: int

Help

Limits the maximum chunk size for image uploads, in bytes.  A buffer of
this size gets allocated on the stack during handling of a image upload
command.

Direct dependencies

MCUMGR_CMD_IMG_MGMT && MCUMGR_CMD_IMG_MGMT && MCUMGR

(Includes any dependencies from ifs and menus.)

Default

• 512

Kconfig definition

At <Zephyr Subsystem>/mgmt/mcumgr/Kconfig:150

Included via Kconfig:8 → Kconfig.zephyr:44 → <Zephyr Subsystem>/Kconfig:35 → <Zephyr Subsystem>/mgmt/Kconfig:9

Menu path: (Top) → Sub Systems and OS Services → Device Management → mcumgr Support → Command Handlers → Enable mcumgr handlers for image management

config IMG_MGMT_UL_CHUNK_SIZE
    int "Maximum chunk size for image uploads"
    default 512
    depends on MCUMGR_CMD_IMG_MGMT && MCUMGR_CMD_IMG_MGMT && MCUMGR
    help
      Limits the maximum chunk size for image uploads, in bytes.  A buffer of
      this size gets allocated on the stack during handling of a image upload
      command.

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