Not able to flash nRF5340 PDK anymore

[sethu]

Hey guys, 

All of a sudden, I'm not able to flash my nRF board anymore. I get the following message when I try to connect to the board using segger IDE.

And when I try west flash, I get the following:

As per that message, when I try "west flash --log", I get unknow command error.

Any help would be appreciated. 

Other info:

I'm pretty sure that it isn't a problem with the code I'm trying to flash or even anything on the PC because I have another one of the same board which works without any problem.

[sethu]

I tried both the solutions mentioned but still no luck, both gave me error as shown below:

Nrfjprog and the nrf connect had been updated prior to executing the commands.

[Amanda Hsieh]

Please try the latest version of the nRF-Command-Line-Tools. If it still cannot fix the issue, run the following commands, and provide the logs. 

 

nrfjprog.exe --coprocessor CP_NETWORK --recover --log NETWORK.log
nrfjprog.exe --coprocessor CP_APPLICATION --recover --log APPLICATION.log

-Amanda H.

[Amanda Hsieh]

Sorry for the mistake, it is "-f NRF53". I have modified the previous commands. Please try again. 

-Amanda H.

[sethu]

Hey, 

No worries. I have done it again and both commands give almost the same output which has been attached below:

Fullscreen 6840.application.log Download

[2020-Nov-18 09:07:48] [ info] --------------------------------------------------------------------------------
[2020-Nov-18 09:07:48] [ info] C:\Program Files (x86)\Nordic Semiconductor\nrf-command-line-tools\bin\nrfjprog.exe --coprocessor CP_APPLICATION --recover -f NRF53 --log application.log 
[2020-Nov-18 09:07:48] [ info] nrfjprog version 10.11.1 
[2020-Nov-18 09:07:48] [ info] --------------------------------------------------------------------------------
[2020-Nov-18 09:07:48] [debug] [ nRF0x0] - open_dll
[2020-Nov-18 09:07:48] [ info] [ nRF0x0] - Load library at C:\Program Files (x86)\Nordic Semiconductor\nrf-command-line-tools\bin\JLINKARM_NRF53_NRFJPROG.dll.
[2020-Nov-18 09:07:48] [ info] [ nRF0x0] - Library loaded, loading member functions.
[2020-Nov-18 09:07:48] [ info] [ nRF0x0] - Member functions succesfully loaded.
[2020-Nov-18 09:07:48] [ info] [Backend] - Logger callback at 0xaf1610 registered in Segger backend logger.
[2020-Nov-18 09:07:48] [ info] [  JLink] - [Debug   ] [JLink     ] Logger callback at 0xaf1610 registered in JLink logger.
[2020-Nov-18 09:07:48] [debug] [nRF530x0] - open
[2020-Nov-18 09:07:48] [debug] [Backend] - open_dll
[2020-Nov-18 09:07:48] [ info] [Backend] - No J-Link DLL path was provided. Attempting to auto detect.
[2020-Nov-18 09:07:48] [ info] [Backend] - Load library at C:\Program Files (x86)\SEGGER\JLink\JLinkARM.dll.
[2020-Nov-18 09:07:48] [ info] [Backend] - Library loaded, loading member functions.
[2020-Nov-18 09:07:48] [ info] [Backend] - Member functions succesfully loaded.
[2020-Nov-18 09:07:48] [debug] [Backend] - dll_version
[2020-Nov-18 09:07:48] [ info] [Backend] - Segger dll version 6.86.f loaded.
[2020-Nov-18 09:07:48] [debug] [ nRF0x0] - enum_emu_snr
[2020-Nov-18 09:07:48] [debug] [nRF530x0] - enum_emu_snr
[2020-Nov-18 09:07:48] [debug] [Backend] - is_connected_to_emu
[2020-Nov-18 09:07:48] [debug] [Backend] - enum_emu_snr
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_enum_emu_snr
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_get_num_emus
[2020-Nov-18 09:07:48] [debug] [Backend] - is_connected_to_emu
[2020-Nov-18 09:07:48] [debug] [ nRF0x0] - connect_to_emu_with_snr
[2020-Nov-18 09:07:48] [debug] [nRF530x0] - connect_to_emu_with_snr
[2020-Nov-18 09:07:48] [debug] [Backend] - is_connected_to_emu
[2020-Nov-18 09:07:48] [debug] [Backend] - connect_to_emu_with_snr
[2020-Nov-18 09:07:48] [debug] [Backend] - is_connected_to_emu
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_enum_emu_snr
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_get_num_emus
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_connect_to_emu_with_snr
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_connect_to_emu_without_snr
[2020-Nov-18 09:07:48] [ info] [Backend] - Segger logging enabled.
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_load_core_data
[2020-Nov-18 09:07:48] [ info] [  JLink] - [Debug   ] [JLink     ] Device "CORTEX-M33" selected.
[2020-Nov-18 09:07:48] [debug] [Backend] - read_debug_port_idr
[2020-Nov-18 09:07:48] [debug] [Backend] - read_debug_port_register
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_read_debug_port_register
[2020-Nov-18 09:07:48] [debug] [Backend] - coresight_configure
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_select_debug_port_register
[2020-Nov-18 09:07:48] [debug] [Backend] - Select AP 255, DP Bank 0, AP Bank 255
[2020-Nov-18 09:07:48] [error] [  JLink] - [Debug   ] [JLink     ] Not supported by current CPU + target interface combination.
[2020-Nov-18 09:07:48] [ info] [Backend] - JLinkARM.dll reported "-2", an unknown error.
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_abort_debug_action
[2020-Nov-18 09:07:48] [ info] [Backend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2020-Nov-18 09:07:48] [debug] [ nRF0x0] - close_dll
[2020-Nov-18 09:07:48] [debug] [nRF530x0] - close
[2020-Nov-18 09:07:48] [debug] [Backend] - is_connected_to_emu
[2020-Nov-18 09:07:48] [debug] [Backend] - close
[2020-Nov-18 09:07:48] [debug] [Backend] - disconnect_from_emu
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_disconnect_from_emu
[2020-Nov-18 09:07:48] [debug] [Backend] - is_connected_to_device
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_is_debug_region_powered
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_read_debug_port_register
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_select_debug_port_register
[2020-Nov-18 09:07:48] [debug] [Backend] - Select AP 255, DP Bank 0, AP Bank 255
[2020-Nov-18 09:07:48] [error] [  JLink] - [Debug   ] [JLink     ] Not supported by current CPU + target interface combination.
[2020-Nov-18 09:07:48] [ info] [Backend] - JLinkARM.dll reported "-2", an unknown error.
[2020-Nov-18 09:07:48] [debug] [Backend] - ---just_abort_debug_action
[2020-Nov-18 09:07:48] [ info] [Backend] - Attempting to clear any configuration errors in debug port before closing connection. 
[2020-Nov-18 09:07:48] [debug] [Backend] - Segger Backend closed.
[2020-Nov-18 09:07:48] [debug] [nRF530x0] - nRF family DLL closed

It is pretty similar to the output when the family parameter was not passed

[Amanda Hsieh]

Hi Sethu, 

Could you try the latest version of nrfjprog v10.12.1? 

https://www.nordicsemi.com/Software-and-tools/Development-Tools/nRF-Command-Line-Tools/Download

Please let me know it can help or not. Thanks. 

-Amanda 

[StefanHri]

I have the same issue. However, updating nrfjprog to version v10.12.1 did not help. I am using Ubuntu 20.04.

[Amanda Hsieh]

Hi, 

Please create a new support case with the recovery logs for the app and net core.

-Amanda H.