How for the the nrf53 application processor to verify the network processor is active on BLE?

[Jordan Archer]

I have some odd cases where an nrf53 based device just disappears from BLE.  It's no longer connected, and not advertising.

I'm looking for a method for the application processor to verify that the network processor is running.  And it's current BLE state.

[Simonr]

Hi

The easiest explanation to this I think is that the advertisement or connection times out. Does the "disappearing" device disappear after a set amount of time? An easy fix to this would be to just restart the advertisement from the nRF53. Are you able to recreate this on a DK, and if so are you able to see something by logging to see what's happening when it "disappears". 

Unfortunately, I'm not aware of a way to monitor the network core like you're asking for, but I can ask internally if you'd like. Do you have some more information on what exacttly is happening when the device is disappearing? What central device are you using? What kind of application is this, a beacon that is only advertising or a device that connects to a central and stays connected, providing service information over time, or what?

Best regards,

Simon

[Jordan Archer]

Please ask internally, on detection by the application processor that the network processor's BLE section is running.