you might search for Machinekit with LinuxCNC since it's already got those two realtime engines(Linux and BBB PRU's) installed on it and built for the BBB. It's been designed to run RepRap style 3D printers and both home and industrial CNC machines. Heck, I'll find the link and post it....
http://bb-lcnc.blogspot.com/p/machinekit_16.html The PRU's are setup to control stepper motors but it could give insight as to their use for valve on/off control. Doug -- 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 beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
