Thanks Alex, I haven't tried that yet but I will (unfortunately I threw out my old PS2 keyboard and mouse a while back). - Claude
On Tue, Oct 13, 2015 at 12:27 AM, alex chiosso <[email protected]> wrote: > Hi Claude. > Did you tried to use a PS2 mouse and keyboard so you can disable the usb > ports and see if the latency spikes are still there ? > > Regards > > Alex > > On Tue, Oct 13, 2015 at 8:05 AM, Karlsson & Wang < > [email protected]> wrote: > > > > ... > > > Have you guys found anything in particular that might cause latency > > spikes > > > that I'm seeing? I installed 2.7-Wheezy from the pre-built live/install > > ISO > > > and I'm using the onboard video. No extra hardware besides a USB mouse > > and > > > keyboard. > > > Also, I'm planning to get a Mesa 5i25 so maybe the latency isn't a > > problem? > > > > > > regards, > > > - Claude > > > > I have been thinking about moving the control loop from the PC to the > > motor driver and then latency would be less of a problem. The motor > driver > > I use run a control loop at 40kHz while linuxcnc position control loop > run > > at 1kHz but with position control in motor driver and linear > interpolation > > I guess 100Hz for linuxcnc control loop would be enough. > > > > Nicklas Karlsson > > > > > > > ------------------------------------------------------------------------------ > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > ------------------------------------------------------------------------------ > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
