On Tue, Sep 11, 2018 at 4:29 PM WenZhan Song <[email protected]> wrote: > > Robert, > > Thank you for replying our questions! To be clear, what we intend to do is: > we want to design a time synchronization protocols among a group of BBBWs > using the bluetooth radio in BBBW, with the goal to achieve 10 us accuracy. > Thus, we want to program PRU to send and receive bluetooth messages with > low-level timestamping for that accuracy. The hypothesis is that ARM with > Linux perhaps has too much uncertainty and delay while PRU can reduce that.
and "how" exactly is the PRU going to reduce that? It doesn't control the radio directly... > Is this possible? If not, do you happen to know any mature way to achieve 10 > us accuracy with Bluetooth or WiFi radio. I currently use GPS but it does not > work well indoor. PS, If you look at: http://blog.bluetooth.com/exploring-bluetooth-5-how-fast-can-it-be It would be better to just use a Bluetooth 5 usb dongle.. Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAOCHtYih9M9wGT0kQcM_B6PXQeUDc0JrwpcVE0OHo19OpcaELw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
