Building firmware for ultra (hw_version=0)
+ cd bootloader
+ make -j
Chameleon Ultra <Bootloader>: zZZZZZ.
DONE bootloader
+ cd application
+ make -j
Chameleon Ultra <Application>: reader and tag emulation module enable.
DONE application
+ cd objects
+ nrfutil nrf5sdk-tools pkg generate --hw-version 0 --bootloader bootloader.hex --bootloader-version 1 --key-file ../../resource/dfu_key/chameleon.pem --application application.hex --application-version 1 --app-boot-validation NO_VALIDATION --softdevice ../nrf52_sdk/components/softdevice/s140/hex/s140_nrf52_7.2.0_softdevice.hex --sd-req 0x0100 --sd-id 0x0100 --sd-boot-validation NO_VALIDATION dfu-full.zip
Zip created at dfu-full.zip
+ nrfutil nrf5sdk-tools pkg generate --hw-version 0 --key-file ../../resource/dfu_key/chameleon.pem --application application.hex --application-version 1 --app-boot-validation NO_VALIDATION --sd-req 0x0100 dfu-app.zip
Zip created at dfu-app.zip
+ nrfutil nrf5sdk-tools settings generate --family NRF52840 --application application.hex --application-version 1 --bootloader-version 1 --bl-settings-version 2 settings.hex

Note: Generating a DFU settings page with backup page included.
This is only required for bootloaders from nRF5 SDK 15.1 and newer.
If you want to skip backup page generation, use --no-backup option.

Generated Bootloader DFU settings .hex file and stored it in: settings.hex

Bootloader DFU Settings:
* File:                     settings.hex
* Family:                   NRF52840
* Start Address:            0x000FF000
* CRC:                      0xE0A33790
* Settings Version:         0x00000002 (2)
* App Version:              0x00000001 (1)
* Bootloader Version:       0x00000001 (1)
* Bank Layout:              0x00000000
* Current Bank:             0x00000000
* Application Size:         0x00021F30 (139056 bytes)
* Application CRC:          0x21262F5E
* Bank0 Bank Code:          0x00000001
* Softdevice Size:          0x00000000 (0 bytes)
* Boot Validation CRC:      0xA28B89E4
* SD Boot Validation Type:  0x00000000 (0)
* App Boot Validation Type: 0x00000001 (1)

+ mergehex --merge bootloader.hex settings.hex application.hex ../nrf52_sdk/components/softdevice/s140/hex/s140_nrf52_7.2.0_softdevice.hex --output fullimage.hex
Parsing input files.
Merging file "bootloader.hex" into output.
Merging file "settings.hex" into output.
Merging file "application.hex" into output.
Merging file "s140_nrf52_7.2.0_softdevice.hex" into output.
Storing merged file.