PCA10028 sniffer function fail with JLink V6.12a

[frogofmagic]

Hi, I was setting my new computer and installed nRF5x-Command-Line-Tools-Win32 V9.2.1. Then open nRFgo studio it requests an update with strong recommended. After the update, PCA10028 can't get any packet in Wireshark(sniffer) even on my old computer.

I guess the problem is JLink_V612a, and I solved it by following steps:

1. Reflash JLINK's firmware "J-Link OB-SAM3U128-V2-NordicSemi 160212.bin". (I'm not sure need this step or not.)

2. Uninstall JLink_V612a.

3. Change windows registry HKEY_USERS\XXXXX\SOFTWARE\SEGGER\JLINK set "InstallPath" to C:\Program Files (x86)\SEGGER\JLink_V512i
   (The installer won't change registry back to V512i, even you uninstall and install V512i again.)

4. Connect PCA10028 and open nRFgo studio let it update again.

Then the sniffer function is back!

My computer is windows 10 64bit. And I download everything from Nordic website. Maybe sniffer tool need an update?

Sincerely,

Frogofmagic

[Hung Bui]

Hi Frog,

You are right. The sniffer tool need an update.

We also found that updating to Jlink v6.12 breaks the sniffer back end. And downgrade to 5.12 helps.

To downgrade there is an easier way is to open J-link Configurator of the Jlink version you want, and right click on the dongle, then you can select to "Replace the firmware" and it should be downgraded.

The most annoying part is the ask for update popup we get when we do anything with Jlink. I also hope we would prioritize updating the sniffer and get a newer version soon.

[frogofmagic]

Yes, I noticed sniffer stop capturing advertisement packet when I choosing which device I want. And the update window popup every time, so I decided to remove v6.12. Thanks for your response :)