There are some good reasons not to use the USB port ... latency issues which require buffering on the control device end, noise issues, etc.
If you lived through the Mach3 Smooth Stepper USB issues you would likely be avoiding USB. http://www.cnczone.com/forums/smoothstepper-usb-motion-control/145779-ethernet-ss-vs-usb-ss.html Apparently the realtime Ethernet link is working now to the Mesa Ethernet boards. Have you considered that? Dave On 10/30/2014 10:50 AM, Cathrine Hribar wrote: > > On Tue, 28 Oct 2014 23:06:49 -0600 > Sebastian Kuzminsky <s...@highlab.com> wrote: >> Greetings LinuxCNC people, I bring you glad tidings! >> >> One of the things we did at the recent Hackfest in Houston was creating >> the 2.7 branch. We will test and stabilize the code in this branch, and >> when the time is right we will release 2.7.0. I'm hopeful that the time >> until 2.7.0 is released is on the order of a handful of months. >> >> The headline features in 2.7 are: >> >> * A new high-speed trajectory planned (written by Rob Ellenberg) >> * Support for the RT-Preempt realtime kernel (written by Jeff Epler) >> >> In addition to the new RT-Preempt support, LinuxCNC 2.7 will run on RTAI >> and the vanilla Linux kernel just like 2.6 and earlier versions do. >> >> We are currently targeting the same set of Linux distributions for 2.7 >> as we did for 2.6: Ubuntu Lucid, Ubuntu Precise, and Debian Wheezy. The >> final set of supported distros may change as we get closer to release. >> >> This new branch does not mean that 2.6 will go away. I will keep >> maintaining the 2.6 branch and making releases as needed. Your CNC >> machines running LinuxCNC 2.6 will stay supported with bug fixes for a >> good long while still. >> >> >> So, you're asking, how can I help? I'm glad you asked! You can run the >> 2.7 pre-releases and submit bug reports! There are probably some rough >> edges and possibly lurking bugs that we'd like your help in finding >> before we release 2.7.0. You've been warned! >> >> >> The install instructions leave a lot to be desired at the moment, but it >> goes like this: >> >> * Install LinuxCNC 2.6, for example using the instructions here: >> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?UpdatingTo2.6 >> >> * Upgrade to LinuxCNC 2.7 by picking an apt source line from here: >> http://wiki.linuxcnc.org/cgi-bin/wiki.pl?UpdatingTo2.7 > > Is their any chance that LCNC will be able to connect through usb port in near > future?? > > Bill >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> 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 --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
