DFU update error

[Junichi]

There are receivers and repeaters with nRF52832 mounted on the board.

When updating with DFU from iPad, a version check error occurs in the customer's environment.

The repeater can be updated normally in the customer's environment, but the receiver gets a version check error.

The DFU file is created by creating a batch file of commands on a Windows PC.

The contents of the batch file are as follows.

nrfutil pkg generate --hw-version 52 --application-version 1 --application Ping_Pong_ISP4520-JP_SEND.hex --sd-req 0x9D --key-file ./private.key DFU_RECV8_1.00_3in1.zip

The name of the hex file remains the same even if the source is changed, so the DFU file name in the batch file is edited and executed to create the DFU file.

The apps used for the update are nRFToolbox and nRF Connect, and both result in a version check error.

What do you think could be the cause?

[Vidar Berg]

Hello,

What version of the application is the target device currently running? The bootloader will by default reject a version downgrade. Also, what version of the Softdevice is present on the device? I'm wondering if it matches the FWID you specfied with  the --sd-req argument.

Best regards,

Vidar

[Junichi]

Some devices can be updated successfully with the same DFU file.

Therefore, there seems to be no problem with the software device version.

When I run it with nRF Connect on my iPhone, I get two errors:

Error5: FW version check failed

Error3: Invalidated parameter

What do you think could be the cause?

[Vidar Berg]

Are you sure all the targets are running are programmed with the exact same FW and version number? The error suggests that they are not. Is it possible to attach a debugger to one of the devices where there update was rejected to check what the application version has been set to?

[Junichi]

I can connect a debugger to the device where the problem is occurring, but I don't know how to check the application version, so please let me know.

[Vidar Berg]

You can run the following commands:

# Read out the flash content of the device to a hex file
nrfjprog --readcode flash_readout.hex
# Use nrfutil to parse the content of the Bootloader settings page.
# This will show the application version.
nrfutil settings display flash_readout.hex
# Read out the FWID of the Softdevice.
nrfjprog --memrd 0x300c

[Junichi]

Thank you for your answer.

When I run the command on a device that cannot be updated, I get the following error:

(base) D:\>nrfjprog --readcode flash_readout.hex
Reading flash.

ERROR: JLinkARM DLL reported an error. Try again. If error condition

ERROR: persists, run the same command again with argument --log, contact Nordic

ERROR: Semiconductor and provide the generated log.log file to them.

I am attaching the log created with the --log option.

nrfjprog --memrd 0x300c
run successfully and returned the expected value.

Do you know what the cause is?2626.log.log

[Vidar Berg]

Hi,

The communication between the debugger and your device appears to be a bit unstable. Did you try running the --readcode multiple times to see if it might work after a few attempts? Lowering the clock speed (--clockspeed) may also help.

[Junichi]

Fullscreen 1323.log.log Download

[2024-Sept-17 18:01:54] [debug] --------------------------------------------------------------------------------
[2024-Sept-17 18:01:54] [debug] nrfjprog --readcode flash_readout.hex --clockspeed 125 --log 
[2024-Sept-17 18:01:54] [debug] nrfjprog version 10.24.0 external
[2024-Sept-17 18:01:54] [debug] --------------------------------------------------------------------------------
[2024-Sept-17 18:01:54] [ info] Load library at C:\Program Files\Nordic Semiconductor\nrf-command-line-tools\bin\nrfjprog.dll.
[2024-Sept-17 18:01:54] [ info] Library loaded, loading member functions.
[2024-Sept-17 18:01:54] [ info] Member functions succesfully loaded.
[2024-Sept-17 18:01:55] [debug] [ Client] - open
[2024-Sept-17 18:01:55] [debug] [ Client] - start
[2024-Sept-17 18:01:55] [ info] [ Client] - stdout: Jlinkarm nRF Worker ready. Handling sequence ac10e264-bba9-447b-b5e3-8462de1f377a.

[2024-Sept-17 18:01:55] [trace] [ Client] - Command open executed for 58 milliseconds with result 0
[2024-Sept-17 18:01:55] [debug] [ Client] - config
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Logger sink registered in Segger backend logger
[2024-Sept-17 18:01:55] [debug] [  JLink] - Logger sink registered in JLink logger
[2024-Sept-17 18:01:55] [debug] [  nRFXX] - open
[2024-Sept-17 18:01:55] [debug] [  nRFXX] - just_check_family
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - open_dll
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - No J-Link DLL path was provided. Attempting to auto detect.
[2024-Sept-17 18:01:55] [ info] [SeggerBackend] - Load library at C:\Program Files\SEGGER\JLink_V794e\JLink_x64.dll.
[2024-Sept-17 18:01:55] [ info] [SeggerBackend] - Library loaded, loading member functions.
[2024-Sept-17 18:01:55] [ info] [SeggerBackend] - Member functions succesfully loaded.
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Set batch mode
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - dll_version
[2024-Sept-17 18:01:55] [ info] [SeggerBackend] - Segger dll version 7.94.e loaded.
[2024-Sept-17 18:01:55] [trace] [ Worker] - Command open executed for 7 milliseconds with result 0
[2024-Sept-17 18:01:55] [debug] [  nRFXX] - config
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - enum_emu_snr
[2024-Sept-17 18:01:55] [trace] [ Worker] - Command config executed for 5 milliseconds with result 0
[2024-Sept-17 18:01:55] [trace] [ Client] - Command config executed for 15 milliseconds with result 0
[2024-Sept-17 18:01:55] [debug] [ Client] - enum_emu_snr
[2024-Sept-17 18:01:55] [debug] [  nRFXX] - enum_emu_con_info
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - is_connected_to_emu
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - enum_emu_con_info
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - is_connected_to_emu
[2024-Sept-17 18:01:55] [trace] [ Worker] - Command enum_emu_con_info executed for 3 milliseconds with result 0
[2024-Sept-17 18:01:55] [trace] [ Client] - Command enum_emu_con_info executed for 15 milliseconds with result 0
[2024-Sept-17 18:01:55] [debug] [ Client] - connect_to_emu_with_snr
[2024-Sept-17 18:01:55] [debug] [  nRFXX] - connect_to_emu_with_snr
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - is_connected_to_emu
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - connect_to_emu_with_snr
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - is_connected_to_emu
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_enum_emu_snr
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_get_num_emus
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_connect_to_emu_with_snr
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_connect_to_emu_without_snr
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Segger logging enabled.
[2024-Sept-17 18:01:55] [trace] [  JLink] - Firmware: J-Link V11 compiled Dec  4 2023 10:22:45
[2024-Sept-17 18:01:55] [trace] [  JLink] - Firmware: J-Link V11 compiled Dec  4 2023 10:22:45
[2024-Sept-17 18:01:55] [trace] [  JLink] - Hardware: V11.00
[2024-Sept-17 18:01:55] [trace] [  JLink] - S/N: 821007475
[2024-Sept-17 18:01:55] [trace] [  JLink] - OEM: SEGGER
[2024-Sept-17 18:01:55] [trace] [  JLink] - Feature(s): GDB
[2024-Sept-17 18:01:55] [trace] [  JLink] - Bootloader: 2019 Jul 04
[2024-Sept-17 18:01:55] [trace] [  JLink] - USB speed mode: High speed (480 MBit/s)
[2024-Sept-17 18:01:55] [trace] [  JLink] - TELNET listener socket opened on port 19021
[2024-Sept-17 18:01:55] [trace] [  JLink] - WEBSRV WEBSRV_Init(): Starting webserver thread(s)
[2024-Sept-17 18:01:55] [trace] [  JLink] - WEBSRV Webserver running on local port 19080
[2024-Sept-17 18:01:55] [trace] [  JLink] - Looking for J-Link GUI Server exe at: C:\Program Files\SEGGER\JLink_V794e\JLinkGUIServer.exe 
[2024-Sept-17 18:01:55] [trace] [  JLink] - Forking J-Link GUI Server: C:\Program Files\SEGGER\JLink_V794e\JLinkGUIServer.exe 
[2024-Sept-17 18:01:55] [trace] [  JLink] - J-Link GUI Server info: "J-Link GUI server V7.94e " 
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 71.292ms returns "O.K."  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_Lock()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_ExecCommand("SetRestartOnClose = 0", ...).   
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.001ms returns 0x01  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_ExecCommand("DisableFlashDL", ...).   
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.000ms returns 0x00  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_ExecCommand("ExcludeFlashCacheRange 0x0-0xFFFFFFFF", ...).   
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.003ms returns 0x00  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_SetHookUnsecureDialog  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_SetHookUnsecureDialog(...)
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.012ms returns 0  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_TIF_Select(JLINKARM_TIF_SWD)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 3.100ms returns 0x00  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_GetSpeedInfo()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - 180000000 Hz / n, n >= 12
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.015ms  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Connected emulator supports SWD speeds up to 15000kHz
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_SetSpeed(125)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.878ms  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_GetSpeed()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.004ms returns 125  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - SWD clock set to 125kHz
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_GetSN()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.006ms returns 821007475  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.006ms  
[2024-Sept-17 18:01:55] [debug] [  nRFXX] - read_device_family
[2024-Sept-17 18:01:55] [debug] [  nRFXX] - read_device_family
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - is_connected_to_emu
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_IsOpen()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.004ms returns 0x01  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_Lock()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - is_connected_to_emu
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - read_debug_port_idr
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - read_debug_port_register
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_read_debug_port_register
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - coresight_configure
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_GetHWStatus(...)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.820ms returns 0  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_Configure()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 137.176ms returns 0  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - read_debug_port_idr
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - read_debug_port_register
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_read_debug_port_register
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_select_debug_port_register
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Select AP 255, DP Bank 0, AP Bank 255
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.522ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_abort_debug_action
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.674ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.375ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.531ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.609ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.634ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.423ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.224ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_abort_debug_action
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.335ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.526ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.382ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.448ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.315ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.522ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.541ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_abort_debug_action
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.501ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.533ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.551ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.421ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.469ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.693ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.625ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_abort_debug_action
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.496ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.760ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.461ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.739ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.602ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.510ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.605ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_abort_debug_action
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.709ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.625ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.858ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.697ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.582ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.645ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.710ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_abort_debug_action
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.751ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 6.040ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.500ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.417ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.537ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [error] [ Client] - Encountered error -102: Command connect_to_emu_with_snr executed for 482 milliseconds with result -102
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.843ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.161ms  
[2024-Sept-17 18:01:55] [error] [ Worker] - An unknown error.
[2024-Sept-17 18:01:55] [trace] [ Worker] - Command connect_to_emu_with_snr executed for 473 milliseconds with result -102
[2024-Sept-17 18:01:55] [debug] [  nRFXX] - close
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - is_connected_to_emu
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_IsOpen()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.023ms returns 0x01  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_Lock()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - close
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - disconnect_from_emu
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_disconnect_from_emu
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - is_connected_to_device
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_IsConnected()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.010ms returns FALSE  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_is_debug_region_powered
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_read_debug_port_register
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_select_debug_port_register
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Select AP 255, DP Bank 0, AP Bank 255
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.434ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_abort_debug_action
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.233ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.415ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.634ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.486ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.574ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.417ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.289ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_abort_debug_action
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.361ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.398ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.557ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.459ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.483ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.691ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.523ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_abort_debug_action
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.698ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.729ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.894ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.781ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.961ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.831ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.542ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_abort_debug_action
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.557ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.564ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.684ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.613ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.594ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.557ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.589ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_abort_debug_action
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.448ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.488ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.895ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.711ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.488ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.516ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x02, 0x00000000)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 6.049ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - ---just_abort_debug_action
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.657ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.468ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.873ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.771ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.451ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_CORESIGHT_WriteAPDPReg(DP reg 0x00, 0x0000001F)  
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 5.579ms returns -1  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_HasError()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Ignore exception An unknown error.
[2024-Sept-17 18:01:55] [trace] [  JLink] - - 0.118ms  
[2024-Sept-17 18:01:55] [trace] [  JLink] - JLINK_Close()  
[2024-Sept-17 18:01:55] [debug] [SeggerBackend] - Segger Backend closed.
[2024-Sept-17 18:01:55] [debug] [  nRFXX] - nRF family DLL closed
[2024-Sept-17 18:01:55] [trace] [ Worker] - Command close executed for 279 milliseconds with result 0
[2024-Sept-17 18:01:55] [trace] [ Client] - Command close executed for 294 milliseconds with result 0
[2024-Sept-17 18:01:55] [debug] [ Client] - terminate
[2024-Sept-17 18:01:55] [trace] [ Client] - Command terminate executed for 0 milliseconds with result 0
[2024-Sept-17 18:01:55] [trace] [ Worker] - Command terminate executed for 0 milliseconds with result 0
[2024-Sept-17 18:01:55] [trace] [ Worker] - Executed 6 commands for 767 milliseconds
[2024-Sept-17 18:01:56] [debug] [ Client] - Worker process exited with code: 0
[2024-Sept-17 18:01:56] [debug] [ Client] - Worker process exited with code: 0
[2024-Sept-17 18:01:56] [debug] [ Client] - Child process terminated with result 0
[2024-Sept-17 18:01:56] [trace] [ Client] - Executed 6 commands for 864 milliseconds
[2024-Sept-17 18:01:56] [debug] [ Client] - terminate

I ran --readcode multiple times, but the situation did not change.
I tried --clockspeed 125, but I got an error.

I am attaching the log file again.

[Vidar Berg]

Strange. Is there anything that could cause the chip to reset externally on this device while the flash is being read? For instance, an external watchdog or regulator? Another option is to read out the settings page and manually parse the content.

nrfjprog --memrd <settings page address> --n 0x1000 > bl_settings.txt

[Junichi]

I extracted a ZIP file from an iPad that contained files that could not be DFU'd, and checked the contents of a normal ZIP file of the same version. I found that the json and bin files were identical, but there was a difference in the dat file.
What do you think is the reason this happens?