<info> background_dfu: state=DFU_DOWNLOAD_FIRMWARE event=DFU_EVENT_TRANSFER_CONTINUE
<info> COAP_DFU: Requesting [f] (block:3762 mid:61189)
<info> background_dfu: Storing block (b:3762 c:3762).
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000E5900, src=0x200093B0, len=92 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000E5900, pending 0
<info> nrf_dfu_validation: Hash verification. start address: 0x70000, size: 0x7595C
<info> nrf_dfu_validation: result of Hash Verification 1 
<info> nrf_dfu_validation: Control is here .....is_trusted 0 ret_val : 1
<info> nrf_dfu_validation: setting current Bank to 1
<info> nrf_dfu_req_handler: res.result : 1
<info> nrf_dfu_req_handler: After -- res.result : 1
<info> background_dfu: 
background dfu handle event

<info> background_dfu: state=DFU_DOWNLOAD_FIRMWARE event=DFU_EVENT_TRANSFER_COMPLETE
<info> background_dfu: 
background dfu handle event : background dfu download firmware

<info> nrf_dfu_settings: crc : 52A322F8,bank_c<info> nrf_dfu_settings: Erasing old settings at: 0x000FF000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FF000, len=1 p<info> nrf_dfu_flash: Flash erase success: addr=0x000FF000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FF000, src=0x20006C78, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FF000, pending 0
<info> COAP_DFU: Reset after DFU

###RTT Client: Connection lost. Going to reconnect.
###RTT Client: Connecting to J-Link RTT Server via localhost:19021 .....
###RTT Client: Connected.

SEGGER J-Link V6.62d - Real time terminal output
J-Link OB-SAM3U128-V2-NordicSemi compiled Mar 17 2020 14:43:00 V1.0, SN=683670592
Process: JLinkExe
<info> app: Inside main

<info> nrf_dfu_settings: settings_valid : 1 settings_backup_valid : 1
<info> nrf_dfu_settings: crc : F8 22 A3 52
<info> nrf_dfu_settings: Returning from reinit - bank_current : 1,crc : 52A322F8
<info> nrf_dfu_settings: crc : 52A322F8,bank_current : 1
<info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
<info> nrf_dfu_settings: Erasing old settings at: 0x000FE000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FE000, len=ing 0
ing 0
e.
<info> nrf_dfu_flash: Flash erase success: addr=0x00041000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x00041000, src=0x000B0000, len=32768 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x00041000, pending 0
<info> nrf_dfu_settings: crc : A8E5F317,bank_current : 0
<info> nrf_dfu_settings: Erasing old settings at: 0x000FF000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FF000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FF000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FF000, src=0x20001020, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FF000, pending 0
<info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
<info> nrf_dfu_settings: Erasing old settings at: 0x000FE000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FE000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FE000, src=0x20000CA0, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x00049000, len=8 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x00049000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x00049000, src=0x000B8000, len=32768 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x00049000, pending 0
<info> nrf_dfu_settings: crc : 5940B58E,bank_current : 0
<info> nrf_dfu_settings: Erasing old settings at: 0x000FF000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FF000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FF000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FF000, src=0x20001020, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FF000, pending 0
<info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
<info> nrf_dfu_settings: Erasing old settings at: 0x000FE000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FE000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FE000, src=0x20000CA0, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x00051000, len=8 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x00051000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x00051000, src=0x000C0000, len=32768 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x00051000, pending 0
<info> nrf_dfu_settings: crc : 9DC77F9,bank_current : 0
<info> nrf_dfu_settings: Erasing old settings at: 0x000FF000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FF000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FF000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FF000, src=0x20001020, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FF000, pending 0
<info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
<info> nrf_dfu_settings: Erasing old settings at: 0x000FE000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FE000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FE000, src=0x20000CA0, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x00059000, len=8 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x00059000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x00059000, src=0x000C8000, len=32768 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x00059000, pending 0
<info> nrf_dfu_settings: crc : 617B3EFD,bank_current : 0
<info> nrf_dfu_settings: Erasing old settings at: 0x000FF000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FF000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FF000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FF000, src=0x20001020, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FF000, pending 0
<info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
<info> nrf_dfu_settings: Erasing old settings at: 0x000FE000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FE000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FE000, src=0x20000CA0, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x00061000, len=8 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x00061000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x00061000, src=0x000D0000, len=32768 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x00061000, pending 0
<info> nrf_dfu_settings: crc : 31E7FC8A,bank_current : 0
<info> nrf_dfu_settings: Erasing old settings at: 0x000FF000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FF000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FF000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FF000, src=0x20001020, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FF000, pending 0
<info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
<info> nrf_dfu_settings: Erasing old settings at: 0x000FE000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FE000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FE000, src=0x20000CA0, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x00069000, len=8 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x00069000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x00069000, src=0x000D8000, len=32768 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x00069000, pending 0
<info> nrf_dfu_settings: crc : C042BA13,bank_current : 0
<info> nrf_dfu_settings: Erasing old settings at: 0x000FF000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FF000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FF000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FF000, src=0x20001020, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FF000, pending 0
<info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
<info> nrf_dfu_settings: Erasing old settings at: 0x000FE000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FE000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FE000, src=0x20000CA0, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x00071000, len=6 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x00071000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x00071000, src=0x000E0000, len=22876 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x00071000, pending 0
<info> nrf_dfu_settings: crc : DA92FEEA,bank_current : 0
<info> nrf_dfu_settings: Erasing old settings at: 0x000FF000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FF000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FF000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FF000, src=0x20001020, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FF000, pending 0
<info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
<info> nrf_dfu_settings: Erasing old settings at: 0x000FE000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FE000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FE000, src=0x20000CA0, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FE000, pending 0
<info> nrf_dfu_settings: crc : 5DCA91E4,bank_current : 0
<info> nrf_dfu_settings: Erasing old settings at: 0x000FF000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FF000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FF000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FF000, src=0x20001020, len=896 bytes), queue usage: 1
<info> nrf_dfu_flash: Flash write success: addr=0x000FF000, pending 0
<info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
<info> nrf_dfu_settings: Erasing old settings at: 0x000FE000
<info> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x000FE000, len=1 pages), queue usage: 1
<info> nrf_dfu_flash: Flash erase success: addr=0x000FE000, pending 0
<info> nrf_dfu_flash: nrf_fstorage_write(addr=0x000FE000, src=0x20000CA0, len=896 bytes), queue usage: 1
<info> app: Inside main

<info> nrf_dfu_settings: settings_valid : 1 settings_backup_valid : 1
<info> nrf_dfu_settings: crc : E4 91 CA 5D
<info> nrf_dfu_settings: Returning from reinit - bank_current : 0,crc : 5DCA91E4
<info> nrf_dfu_settings: crc : 5DCA91E4,bank_current : 0
<info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
<info> nrf_dfu_settings:  err_code : 0
<info> app: ret_val 0 of nrf_dfu_settings_init
<info> app:  s_dfu_settings.bank_current : 0
<info> app: No firmware to activate.

