nrf5340-pdk locked

[Mathangopal]

Hi. I think I did a huge error by uploading the soft device S140 after erasing all.

Which lead to the device being locked. I tried to use J-link GDB Server still the issue persist.

Please assist on this matter. Attached is j-link commander log. It shows that it could not find core in Coresight setup.

Thank you.

[Mathangopal]

Hi.

This is the log file from nRF Connect Programmer:

2020-10-19T01:27:27.934Z INFO Application data folder: C:\Users\Mathangopal\AppData\Roaming\nrfconnect\pc-nrfconnect-programmer
2020-10-19T01:27:28.241Z DEBUG App pc-nrfconnect-programmer v1.4.6 official
2020-10-19T01:27:28.241Z DEBUG App path: C:\Users\Mathangopal\.nrfconnect-apps\node_modules\pc-nrfconnect-programmer
2020-10-19T01:27:28.241Z DEBUG nRFConnect 3.6.0 is supported by the app (^3.6.0)
2020-10-19T01:27:28.241Z DEBUG nRFConnect path: C:\Users\Mathangopal\AppData\Local\Programs\nrfconnect\resources\app.asar
2020-10-19T01:27:28.242Z DEBUG HomeDir: C:\Users\Mathangopal
2020-10-19T01:27:28.242Z DEBUG TmpDir: C:\Users\MATHAN~1\AppData\Local\Temp
2020-10-19T01:27:28.272Z INFO Using nrfjprog library 10.9.0, pc-nrfjprog-js 1.7.3
2020-10-19T01:27:33.057Z INFO Using nrfjprog to communicate with target
2020-10-19T01:27:34.220Z INFO Using J-Link Software version 6.86
2020-10-19T01:27:35.842Z INFO Segger serial: 960161431
2020-10-19T01:27:35.843Z INFO Segger speed: 2000 kHz
2020-10-19T01:27:35.843Z INFO Segger version: J-Link OB-K22-NordicSemi compiled Jan 21 2020 17:33:01
2020-10-19T01:27:35.845Z INFO Core probed: 960161431.
2020-10-19T01:27:35.846Z INFO Core RAM: 512KiB.
2020-10-19T01:27:35.846Z INFO Core ROM: 1024KiB in pages of 4KiB.
2020-10-19T01:27:36.832Z ERROR Error when closing nrfjprog: Error: Error occured when close opened device. Errorcode: CouldNotResetDevice (0x5)
Lowlevel error: CANNOT_CONNECT (fffffff5)

2020-10-19T01:27:36.832Z INFO Model: NRF5340_xxAA_ENGA.
2020-10-19T01:27:36.837Z ERROR Error when getting device info: Error: Error: Error occured when open device long term. Errorcode: CouldNotOpenDevice (0x4)
Lowlevel error: INVALID_OPERATION (fffffffe)

2020-10-19T01:27:36.843Z ERROR Error when closing nrfjprog: Error: Error occured when close opened device. Errorcode: CouldNotOpenDevice (0x4)
Lowlevel error: INVALID_OPERATION (fffffffe)

Thank you.

[Mathangopal]

Hi. I found the solution to this problem.

The nrfjprog is not updated to the latest version when SDK connect is downloaded.

So I have downloaded the latest nRF Command Line Tools. Then, I checked the version of nrfjprog.

 

It should be 10.10.0. Previously, it was 6.xx.xx.

Then I tried the recover command.

Then, I went to nRF Connect Programmer.

Then I connect to device and read.

The device is recover successfully.