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

(Includes any dependencies from ifs and menus.)

Default

  • 512

Kconfig definition

At subsys/mgmt/Kconfig.mcumgr:55

Included via Kconfig:8Kconfig.zephyr:44subsys/Kconfig:20subsys/mgmt/Kconfig:69

Menu path: (Top) → 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
    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.)