Connect a Laptop with Windows to Peripheral UART example

[StefiNR]

Sure, my question is very stupid, but after one day I found nothing to explain the principle of the situation, I decided to ask.

I have a laptop with built-in Bluetooth 5.2 and Windows 11. It runs a terminal testing program.

I have nRF5340 DK with the example Peripheral UART installed (nRF Connect SDK1.8.0). The board works normally, I tested it with a phone with Android and nRF Connect for Mobile. Everything is working fine. The board is connected to a desktop computer on which a terminal program is running and connected to COM port ( not USB).

Windows (laptop), sees the board. After pressing adding device (on Win), the LED on the board (connected) lights up for 1 second, Windows thinks about 5 seconds, and says try again. I imagine that it will connect to the board, and a window will appear to install a serial port to which I can connect through the terminal program. No PIN display window appears. I tried to quickly press button 1, possibly to confirm, nothing. I can transmit data over the phone without the board being BONDED. Let me just say that I've been doing Nordic for 6 months, and I've learned some things. But here I can't even imagine what should happen. Google didn't help either. Does anything else need to be installed on the board?

In the final version, it should be a remote device to which with any laptop with Bluetooth 5.2, to be able to connect and through a terminal program to exchange data via serial port.

[Simonr]

Hi

From what I can find through googling, there seems to be some issues with BLE not working properly on Windows 11, so that might be it. I'm currently in my home office without a laptop with BLE available, but I can test this on my end when I go to the office on Monday. 

In the meantime, can you try downloading and opening the J-Link RTT viewer so we can get a better picture of why the nRF53 DK is disconnected when Windows returns this "try again" message, as it should provide debug logging/information in the peripheral_uart example.

Alternatively, if you have a spare nRF52DK or Dongle, you could check out the nRF Sniffer and take a sniffer trace of the connection so we can see what goes on on the air between the two devices.

Best regards,

Simon

[StefiNR]

Twice attempt to add device to each file. Row 435 LTK key ?? I don't even know what that means. And why he repeats the commands twice is also strange to me.I tried to record how the laptop connects to the phone, but the sniffer doesn't detect it at all. I tried several times.

LaptopW11.zip