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 < nicklas.karls...@karlssonwang.se> 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 > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
