| # 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 | 
 | 	depends on !MCUBOOT_BOOTLOADER_MODE_RAM_LOAD || RETENTION_BOOTLOADER_INFO_OUTPUT_FUNCTION | 
 | 	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 if FLASH_HAS_EXPLICIT_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 |