probably the simplest thing would be to provide a hardware signal to a GPIO pin that all PRUs are busy-looping on; this should provide a 5ns resolution.
On Fri, Jun 9, 2017 at 1:23 PM, <[email protected]> wrote: > > I am trying to time sync a couple of beaglebone black PRUs to each other. > > I have ptp running on my boards and so I have time synced my Linux user > spaces but cannot figure out a way to time sync the user space with the PRU. > > I want to do this so i can turn the "real time" hardware constraints that > PRU supplies into actually real time. > > Trying to control the Fast I/O pins in synchrony. > > > > Any thoughts or suggestions? > > Thanks! > > -- > 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/50568dbc-e5e2-4c21-8acf-e33fa80bf4e2%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/50568dbc-e5e2-4c21-8acf-e33fa80bf4e2%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- 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/CAC%3D1GgEAqE1zuig1URQBRdLUA%2BY2MwuSig9Pebdx%3Dt8vu0848Q%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
