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  • Case ID: 311459
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Trouble using nrfjprog

wade smith

I am moving from SES to Visual Studio Code and having trouble connecting to my device. In nRF for Desktop Connect (V 4.1.2) I tried Programmer (V3.0.9) to connect to a custom board to which I can connect to using SES (using the dropdown connect to device in SES). The Programmer log shows:

16:14:29.493
Using nrf-device-lib-js version: 0.6.12
16:14:29.494
Using nrf-device-lib version: 0.15.3
16:14:29.495
Using nrfjprog DLL version: 10.19.1
16:14:29.495
Using JLink version: JLink_V7.88l
16:14:29.784
Installed JLink version does not match the provided version (V7.80c)
And I cannot see a device connected; all the option drop-down are gray.
Within Visual Studio, under devices connected I see:
When I try to flash a simple example code (UART-Bluetooth sample), Visual Studio shows:
Executing task: nRF Connect: Flash: central_uart/build (active)

Flashing build to 4294967295
/bin/sh -c west flash -d /Users/wadesmith/Documents/GitHub/HP_V5/central_uart/build --skip-rebuild --dev-id 4294967295

-- west flash: using runner nrfjprog
-- runners.nrfjprog: Flashing file: /Users/ws/Documents/GitHub/HP_V5/central_uart/build/zephyr/zephyr.hex
[error] [ Client] - Encountered error -102: Command connect_to_emu_with_snr executed for 49 milliseconds with result -102
ERROR: Unable to connect to a debugger.
[error] [ Worker] - An unknown error.
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.
NOTE: For additional output, try running again with logging enabled (--log).
NOTE: Any generated log error messages will be displayed.
FATAL ERROR: command exited with status 33: nrfjprog --program /Users/wadesmith/Documents/GitHub/HP_V5/central_uart/build/zephyr/zephyr.hex --sectoranduicrerase --verify -f NRF52 --snr 4294967295
Here is the version of nrfjprog:

% nrfjprog --version

nrfjprog version: 10.22.1 external

JLinkARM.dll version: 7.88l

In terminal I enter the same call to nrfjprog and it produces the same error as follows:

% nrfjprog --program /Users/ws/Documents/GitHub/HP_V5/central_uart/build/zephyr/zephyr.hex --sectoranduicrerase --verify -f NRF52 --snr 4294967295

[error] [ Client] - Encountered error -102: Command connect_to_emu_with_snr executed for 47 milliseconds with result -102

ERROR: Unable to connect to a debugger.

[error] [ Worker] - An unknown error.

ERROR: JLinkARM DLL reported an error.

This is on a Mac Silicon M1 (Ventura 13.4.1); I installed the universal J-Link tool. Thoughts about what I am doing wrong? I appreciate the help. 

Parents
  • 0

    Hello,

    Could you please try to re-install the command line tools package at https://www.nordicsemi.com/Products/Development-tools/nrf-command-line-tools/download with the bundled Jlink drivers (v7.80c)? I don't see any reason why it shouldn't work with 7.88l, but v7.80c is the version nrfjprog has been tested and verified with. 

    If you still encounter the same error with this version, please run "$ nrfjprog --recover --log" and post the log file here.

    Thanks,

    Vidar

  • 0 in reply to Vidar Berg

    Same trouble. Attached is the log file. Thanks

    Fullscreen 0458.log.log Download 
    [2023-Jul-28 09:53:45] [debug] --------------------------------------------------------------------------------
[2023-Jul-28 09:53:45] [debug] nrfjprog --program /Users/wadesmith/Documents/GitHub/HP_V5/central_uart/build/zephyr/zephyr.hex --sectoranduicrerase --verify -f NRF52 --snr 4294967295 --log 
[2023-Jul-28 09:53:45] [debug] nrfjprog version 10.23.0 external
[2023-Jul-28 09:53:45] [debug] --------------------------------------------------------------------------------
[2023-Jul-28 09:53:45] [ info] Load library at /Applications/Nordic Semiconductor/lib/libnrfjprogdll.dylib.
[2023-Jul-28 09:53:45] [ info] Library loaded, loading member functions.
[2023-Jul-28 09:53:45] [ info] Member functions succesfully loaded.
[2023-Jul-28 09:53:45] [debug] [ Client] - open
[2023-Jul-28 09:53:45] [debug] [ Client] - start
[2023-Jul-28 09:53:45] [ info] [ Client] - stdout: Jlinkarm nRF Worker ready. Handling sequence e80d9745-43f4-4a48-bde4-cee7c3e2331c.
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - Logger sink registered in Segger backend logger
[2023-Jul-28 09:53:45] [debug] [  JLink] - Logger sink registered in JLink logger
[2023-Jul-28 09:53:45] [debug] [  nRF52] - open
[2023-Jul-28 09:53:45] [debug] [  nRF52] - just_check_family
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - open_dll
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - No J-Link DLL path was provided. Attempting to auto detect.
[2023-Jul-28 09:53:45] [warning] [SeggerBackend] - Executing using Rosetta 2. In case of unexpected errors, try executing with arch -arch arm64 nrfjprog...
[2023-Jul-28 09:53:45] [ info] [SeggerBackend] - Load library at /Applications/SEGGER/JLink/libjlinkarm.7.88.12.dylib.
[2023-Jul-28 09:53:45] [ info] [SeggerBackend] - Library loaded, loading member functions.
[2023-Jul-28 09:53:45] [ info] [SeggerBackend] - Member functions succesfully loaded.
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - Set batch mode
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - dll_version
[2023-Jul-28 09:53:45] [ info] [SeggerBackend] - Segger dll version 7.88.l loaded.
[2023-Jul-28 09:53:45] [trace] [ Worker] - Command open executed for 20 milliseconds with result 0
[2023-Jul-28 09:53:45] [trace] [ Client] - Command open executed for 41 milliseconds with result 0
[2023-Jul-28 09:53:45] [debug] [ Client] - config
[2023-Jul-28 09:53:45] [trace] [ Client] - Command config executed for 8 milliseconds with result 0
[2023-Jul-28 09:53:45] [debug] [ Client] - enum_emu_snr
[2023-Jul-28 09:53:45] [trace] [ Client] - Command enum_emu_con_info executed for 1 milliseconds with result 0
[2023-Jul-28 09:53:45] [debug] [ Client] - connect_to_emu_with_snr
[2023-Jul-28 09:53:45] [debug] [  nRF52] - config
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - enum_emu_snr
[2023-Jul-28 09:53:45] [trace] [ Worker] - Command config executed for 8 milliseconds with result 0
[2023-Jul-28 09:53:45] [debug] [  nRF52] - enum_emu_con_info
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - is_connected_to_emu
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - enum_emu_con_info
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - is_connected_to_emu
[2023-Jul-28 09:53:45] [trace] [ Worker] - Command enum_emu_con_info executed for 1 milliseconds with result 0
[2023-Jul-28 09:53:45] [debug] [  nRF52] - connect_to_emu_with_snr
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - is_connected_to_emu
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - connect_to_emu_with_snr
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - is_connected_to_emu
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - ---just_enum_emu_snr
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - ---just_get_num_emus
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - ---just_connect_to_emu_with_snr
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - ---just_connect_to_emu_without_snr
[2023-Jul-28 09:53:45] [debug] [SeggerBackend] - Segger logging enabled.
[2023-Jul-28 09:53:45] [trace] [  JLink] - Firmware: J-Link ARM V8 compiled Nov 28 2014 13:44:46
[2023-Jul-28 09:53:45] [trace] [  JLink] - Firmware: J-Link ARM V8 compiled Nov 28 2014 13:44:46
[2023-Jul-28 09:53:45] [trace] [  JLink] - Hardware: V8.00
[2023-Jul-28 09:53:45] [trace] [  JLink] - S/N: 4294967295
[2023-Jul-28 09:53:45] [trace] [  JLink] - OEM: SEGGER
[2023-Jul-28 09:53:45] [trace] [  JLink] - Feature(s): RDI,FlashDL,FlashBP,JFlash,GDB
[2023-Jul-28 09:53:45] [trace] [  JLink] - Bootloader: (Could not read)
[2023-Jul-28 09:53:45] [trace] [  JLink] - TELNET listener socket opened on port 19021
[2023-Jul-28 09:53:45] [trace] [  JLink] - WEBSRV WEBSRV_Init(): Starting webserver thread(s)
[2023-Jul-28 09:53:45] [trace] [  JLink] - WEBSRV Webserver running on local port 19080
[2023-Jul-28 09:53:45] [trace] [  JLink] - Looking for J-Link GUI Server exe at: /Applications/SEGGER/JLink_V788l/JLinkGUIServerExe 
[2023-Jul-28 09:53:45] [trace] [  JLink] - Forking J-Link GUI Server: /Applications/SEGGER/JLink_V788l/JLinkGUIServerExe 
[2023-Jul-28 09:53:46] [trace] [  JLink] - J-Link GUI Server info: "J-Link GUI server V7.88l " 
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 335.242ms returns "O.K."  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_Lock()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_ExecCommand("SetRestartOnClose = 0", ...).   
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 0.263ms returns 0x01  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_ExecCommand("DisableFlashDL", ...).   
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 0.003ms returns 0x00  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_ExecCommand("ExcludeFlashCacheRange 0x0-0xFFFFFFFF", ...).   
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 0.003ms returns 0x00  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_SetHookUnsecureDialog  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_SetHookUnsecureDialog(...)
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 0.007ms returns 0  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_TIF_Select(JLINKARM_TIF_SWD)  
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 0.887ms returns 0x00  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_GetSpeedInfo()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - 4000000 Hz / n, n >= 1
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 0.007ms  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [debug] [SeggerBackend] - Connected emulator supports SWD speeds up to 4000kHz
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_SetSpeed(2000)  
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 0.113ms  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_GetSpeed()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 0.004ms returns 2000  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [debug] [SeggerBackend] - SWD clock set to 2000kHz
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_GetSN()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 0.005ms returns -1  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_GetSN()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 0.007ms returns -1  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_GetSN()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 0.003ms returns -1  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_GetSN()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 0.003ms returns -1  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_GetSN()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - - 0.003ms returns -1  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_HasError()  
[2023-Jul-28 09:53:46] [trace] [  JLink] - JLINK_G

  • +1 in reply to wade smith

    [2023-Jul-28 09:53:46] [trace] [ JLink] - JLINK_GetSN()
    [2023-Jul-28 09:53:46] [trace] [ JLink] - - 0.007ms returns -1

    Thank you for providing the log file. The issue arises because the debugger's serial number is set to 4294967295, which equals 0xFFFFFFFF. This corresponds to "-1" when it is interpreted as a two's complement value by the J-Link library, and negative values are treated as errors. I guess SES must be ignoring this error.

    Please contact Segger support if this is a genuine debug probe. The serial number is supposed to be set during production.

  • 0 in reply to Vidar Berg

    Thank you Vidar for figuring this out. I will check with SEGGER- I bought the probe from them.  

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