Great! Thanks so much for the help.
Bill On Sun, Nov 2, 2014 at 4:15 AM, TJF <[email protected]> wrote: > > > Am Sonntag, 2. November 2014 01:40:22 UTC+1 schrieb Bill Gray: >> >> Am I correct in assuming that the low latency pins are specific to one or >> the other PRU? For example, should I assume that something like >> "pr1_pru1_pru_r31_6" is a low latency input that is exclusively available >> to PRU1? Well, I suppose PRU0 might be able to read that pin as a regular >> old GPIO, but I'm after low latency here. >> > > Sounds good! > > I suppose by 'regular old GPIO' you mean accessing registers in the GPIO > subsystem through the OCP master port. Both PRUSS can control all header > pins that way (2 - 3 cycles latency). > > 'pr1_pru1_pru_r31_6' is on header P9 at pin 39 (CPU connector T3, ball# > 46). Depending on the pinmuxing (the mode in the Control Module pad > register at offset 0x8B8) it either can get controled as bit 12 in > subsystem GPIO-2 by both PRUSS (mode 7 = gpio2-12). Or for low latency it's > exclusive for PRU-1 and can be an input (mode 6 = pr1_pru1_pru_r31_6) or an > output (mode 5 = pr1_pru1_pru_r30_6). > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the > Google Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/lzJge-08T9s/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Bill Gray Velkess 415 407 7356 -- 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]. For more options, visit https://groups.google.com/d/optout.
