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# DFU support configuration options
# Copyright (c) 2017 Nordic Semiconductor ASA
# SPDX-License-Identifier: Apache-2.0
#
# DFU
#
menuconfig IMG_MANAGER
bool "DFU image manager"
depends on STREAM_FLASH
help
Enable support for managing DFU image.
if IMG_MANAGER
choice
prompt "Image manager"
default MCUBOOT_IMG_MANAGER
help
Choice support for managing DFU image.
So far only mcuboot support is available.
config MCUBOOT_IMG_MANAGER
bool "Image manager for mcuboot"
depends on FLASH_MAP
select MCUBOOT_BOOTUTIL_LIB
help
Enable support for managing DFU image downloaded using mcuboot.
endchoice
if MCUBOOT_IMG_MANAGER
config MCUBOOT_SHELL
bool "MCUboot shell"
depends on SHELL
help
Enable shell module, which provides information about image slots and
allows to perform such operations as: confirm, erase and request
upgrade.
config MCUBOOT_TRAILER_SWAP_TYPE
bool "use trailer's swap_type field"
default y
help
Enables usage swap type field which is required after
"Fix double swap on interrupted revert" mcuboot patch
(https://github.com/JuulLabs-OSS/mcuboot/pull/485)
Disable this option if need to be compatible with earlier version
of MCUBoot.
config MCUBOOT_UPDATE_FOOTER_SIZE
hex "Estimated update footer size"
default 0x0
help
Estimated size of update image data, which is used to prevent loading of firmware updates
that MCUboot cannot update due to being too large. This should be set from sysbuild, only
used when MCUMGR_GRP_IMG_TOO_LARGE_SYSBUILD is enabled.
config IMG_BLOCK_BUF_SIZE
int "Image writer buffer size"
default 512
help
Size (in Bytes) of buffer for image writer. Must be a multiple of
the access alignment required by used flash driver.
config IMG_ERASE_PROGRESSIVELY
bool "Erase flash progressively when receiving new firmware"
select STREAM_FLASH_ERASE
help
If enabled, flash is erased as necessary when receiving new firmware,
instead of erasing the whole image slot at once. This is necessary
on some hardware that has long erase times, to prevent long wait
times at the beginning of the DFU process.
config IMG_ENABLE_IMAGE_CHECK
bool "Image check functions"
select FLASH_AREA_CHECK_INTEGRITY
help
If enabled, there will be available the function to check flash
integrity. It can be used to verify flash integrity after received
a new firmware. This is useful to avoid firmware reboot and test.
Another use is to ensure that firmware upgrade routines from internet
server to flash slot are performing properly.
endif # MCUBOOT_IMG_MANAGER
module = IMG_MANAGER
module-str = image manager
source "subsys/logging/Kconfig.template.log_config"
if !MCUBOOT
config UPDATEABLE_IMAGE_NUMBER
int "Number of updateable images"
default 1
range 1 3
help
If value is set to 2 or greater then, this enables support needed when
application is combined with MCUboot multi-image boot.
endif
endif # IMG_MANAGER