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  • Case ID: 314145
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nRF Connect Desktop & Notify properties in Server setup

Alexandre RAULT

Hi,

I have a problem in the software ''nRF Connect for Desktop Low Energy Standalone v4.0.4'' with the Server setup.

I use a nRF52840 dongle with the desktop software as a simulated bluetooth device.

In ''Server Setup'', when I create a characteristic  with the Property ''Notify'', I can't apply to the device. 

When I use the property ''Read'' , it works.

I miss something ?

  • 0

    Hello,

    Thank you for the report, I will give this a try myself on Tuesday.

    In the meantime, could you clarify if the issue is that when you have both 'read' and 'notify' selected the 'apply to device' button is grayed out?
    Does this happen as soon as you select 'notify', regardless of the combination of other options?

    Best regards,
    Karl

  • 0 in reply to Karl Ylvisaker

    Hi Karl,

    The problem is when I try to ''Apply to device". So I did some tests to explain you where could be the problem.

    - I created a server setup with 1 service which had 1 characteristic with the property "Read" only. (nrf_case_1.png)


          * I can save it and aplied it to the device without problem.
          * on the log file, I had the message "INFO Server setup was applied"
    - I used the same setup and add the "Notify" property to the last characteristic.
          * I could save it without problem.
          * I could save the whole server setup without problem.
          * When I click to "Apply to device", nothing happen. No message on the log file.
          * Sometimes, but I had a message asking to confirm apply the setup (nrf_case_2.png). The dongle reboot and had lost all setup.

    Best regards

    Alexandre

  • 0 in reply to Alexandre RAULT

    Karl,

    I make another test.

    - I close the nRF Connect application.

    - I open a new instance of nRF Connect application.

    - I connect the nRF52 dongle

    - Go to "Server Setup", load my server setup with the notify property.

    - I click on "Apply to device" button, and nothing happened. I check the log file but no clue. I attach the log file below.

    Fullscreen Load_server_mock_2_2023-09-08T14_29_36.063Z-log.txt Download

  • 0 in reply to Alexandre RAULT

    Hello again,

    Thank you for your patience with this - I have been out of office for some time, but now I am back.

    From your last log it looks like it loaded your settings correctly and encountered no issue.
    Is this still seeing an issue with setting up a characteristic with notifications? Is there still nothing happening when you press 'apply to device'?
    I just gave this a try on my end, and everything is working as expected on my end - I set up the same characteristic as you, add 'notify', click apply to device, and it is applied as I would expect.

    Best regards,
    Karl

  • 0 in reply to Karl Ylvisaker

    Hi Karl,

    I still have the problem. The software correctly load the settings but I can't write it in the device. Nothing happen when I click on ''Apply to device''.

    I can't explain why you have a different behaviour from me. I try it under linux and I have the same behaviour as under windows. 

    The difference is we don't have the same bluetooth dongle. May be I have a problem with the firmware or the hardware ?

    Best regards,

    Alexandre

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