I see. I thought there was a time stamp on Bluetooth traffic so I could calculate the difference in time that way. The jitter will force me to use PulseInput.
On Wednesday, 23 March 2016 18:09:21 UTC+1, Ytai wrote: > > On Wed, Mar 23, 2016 at 4:07 AM, phell <[email protected] <javascript:>> > wrote: > >> I am trying to understand what happens if I tell a digital input to wait >> for the signal to go low. The Bluetooth bandwidth gives an update rate of >> 200 Hz. What happens if the Signal goes low more often than every 5 ms? >> > > You'd be saturating the link. Not good. > > >> Do I only get information that the signal has gone low at least once >> during those 5 ms? >> > > No. You'll get all the transitions. It is not intended for high-speed > signals. > > >> What I want to do is measuring the time between the last two times a >> signal goes low. I understand pulse input does this as well but I want to >> compare the results I get with digital input waiting for signal to go low >> with the information I get with pulse input. The signal I want to measure >> is a square wave with a frequency up to 30 Hz. >> > > Indeed, PulseInput is the way to go. You can do this the way you suggest > at this frequency, but your measurement will be very imprecise, especially > over BT, where the jitter is high. > >> -- >> You received this message because you are subscribed to the Google Groups >> "ioio-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at https://groups.google.com/group/ioio-users. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "ioio-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/ioio-users. For more options, visit https://groups.google.com/d/optout.
