Bill: Which kernel are you running? (uname -a) I discovered yesterday that the PRUs didn't work for my students running 4.9, but those running the newer 4.14 had no trouble.
--Mark p.s. Check out the PRU Cookbook (https://github.com/MarkAYoder/PRUCookbook) for more examples. On Friday, October 19, 2018 at 7:33:58 AM UTC-4, [email protected] wrote: > > Hi! > > I just picked up a beaglebone black for a new project. I'd like to use > the PRU's and as such tried to get > "Hello World" from this link http://theduchy.ualr.edu/?p=996 working. > The programs all compile but I can't get them > to run. The major hint I have is looking at /sys/class/remoteproc/ shows > me only remoteproc0. > PRU 0 & 1 'don't exist'. I've not modified anything in the boot sequence > yet. I've looked at > > https://groups.google.com/forum/#!category-topic/beagleboard/pru/4P9NdglojBo > > which lead me to trying > echo "4a334000.pru0" > /sys/bus/platform/drivers/pru-rproc/unbind > > However, this simply gave me permission denied, despite the fact I was > root. > > lsmod shows > > pru_rproc 28672 0 > pruss 16384 1 pru_rproc > pruss_intc 16384 1 pru_rproc > > but not the virtio_rpmsg_bus or other things that seem to be important. > > Not sure where to go.. Any help would be appreciated. > > Thanks. > > Bill Bitner > > -- 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/a6fefe59-1e0a-4ac0-b7d0-7170b8019fcb%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
