LLPM questions

RE: LLPM questions

Kenneth — Mon, 31 Jan 2022 20:58:06 GMT

Hi,

Regarding 1. I do believe customer is in contact with one of our FAE's on these issues, is that right?

Regarding 2.

We've tested with ncs 1.6.1 release and build for nrf52840dk_nrf52840, app_ZDebug.conf. Before the HOST PC is going to sleep it has to enable the remote wakeup feature - that could be disabled by default in bios. We did not see any bug there, please correct me if we do not test it as the customer does. Please see below LOG output.

...
00> [03607907] <dbg> usb_device.usb_handle_std_device_req: REQ_SET_FEATURE
00> [03608012] <inf> usb_hid: Device suspended
00> [03608013] <wrn> usb_state: USB suspend
00> [03608014] <inf> usb_state: USB HID 0x20003074 disabled
...
00> [03608020] <inf> event_manager: e: usb_state_event state:SUSPENDEDI'm not sure if i got it correctly
...
00> [04005444] <inf> event_manager: e: button_event key_id=0x3 pressed
00> [04005460] <inf> usb_hid: Device resumed

Best regards,
Kenneth

RE: LLPM questions

Kenneth — Tue, 11 Jan 2022 13:54:25 GMT

I have reported it internally, let me know if you have further findings to the issues that I can add internally.

Kenneth

RE: LLPM questions

Hannibalhz — Mon, 10 Jan 2022 07:03:03 GMT

Dear Kenneth

1、Use the NCS(1)1.7.1 nrf_desktop program as the keyboard, define the two buttons on the NRF52833 DK as the NUM and CAP keys, and do not make other modifications, this problem will be reproduced when connected to a laptop with win 10 20H2 version for a period of time.

2、Use NCS1.6.1\nrf\applications \desktop\nrf52840gmouse_nrf52840, close sensor-3360, use NRF52840 DK, and connect the computer with the NRF_USB port of DK. Wake up the computer when the computer sleeps for 30 minutes. This problem can be reproduced by repeating the test a few times.

RE: LLPM questions

Kenneth — Thu, 06 Jan 2022 10:07:36 GMT

Hi,

I am taking over this case, to help you on these issues we need to understand if the issue is also observed on the original project delivered by Nordic? Please also describe which NCS version and sample project you are using.

Regarding debugging, you can use CONFIG_BT_DEBUG_KEYS and CONFIG_BT_USE_DEBUG_KEYS to use the Bluetooth debug keys to encrypt the connection. Then sniffers such as Ellisys should be able to automatically decrypt the connection (the nRF Sniffer should also be able to decrypt the conenction I believe).

Best regards,
Kenneth

RE: LLPM questions

Sigurd Hellesvik — Tue, 04 Jan 2022 09:58:18 GMT

Have there been made any changes to the LLPM sample?

Regards,
Sigurd Hellesvik

RE: LLPM questions

Hannibalhz — Fri, 31 Dec 2021 08:28:55 GMT

Dear Sigurd

Ok waiting for your good news.

Happy New Year and best regard.

RE: LLPM questions

Sigurd Hellesvik — Tue, 28 Dec 2021 12:48:23 GMT

Hi Hannibal

Is this the case for the LLPM sample without any changes as well?

I will ask our developers for solutions.

Since it is the holidays vacations for many, I might not get answer this week.
But I will return with an answer in the first week of January.

Regards,
Sigurd Hellesvik