On 1/7/2012 12:15 AM, Jon Elson wrote: > andy pugh wrote: > >> On 7 January 2012 02:17, Jon Elson<el...@pico-systems.com> wrote: >> >> >> >>> You've already heard from Mesa, Pico Systems also has the Universal PWM >>> Controller >>> >>> >> Yes, Sorry Jon. I normally try to mention both, and Motenc too. (I >> think we have agreed to deprecate Pluto) >> Personally, I am totally agnostic about any hardware that works (which >> is why Pluto misses the cut) >> >> http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?EMC2_Supported_Hardware >> >> But one strength of EMC2 is that is is often not at all hard to >> support something new. >> >> > If there was a straightforward interface to it, possibly. But the > SmoothStepper is > USB only, and has the trajectory planning and down implemented in its > firmware. > So, not a good candidate, as you mentioned. > > Maybe somebody could set this up with a sim version of EMC. That might > not be > real hard. But, I think you'd lose a lot doing that. > > Jon > > >
Hi Jon, I mentioned the 7i43 since it also has a USB port but cannot be used. The smoothstepper does not do the trajectory planning for most motion moves (threading is probably a special case). Mach3 does all of the planning and has available a buffer that is exposed in the Plug in interface that consists of a series of timecodes and Axis positions. The receiving device buffers up the time codes and axis positions and then starts moving the axis accordingly. Apparently a number of "smart" motion devices work that way. The interface is really pretty simple, but there are lots of gotcha's that are related to managing a buffer between a realtime device and "far from realtime" computer (Windows). The Galil motion boards can respond to a similar set of buffered motion commands. The realtime aspect of EMC2 solves a lot of problems that non-realtime systems really struggle with. Dave ------------------------------------------------------------------------------ Ridiculously easy VDI. With Citrix VDI-in-a-Box, you don't need a complex infrastructure or vast IT resources to deliver seamless, secure access to virtual desktops. With this all-in-one solution, easily deploy virtual desktops for less than the cost of PCs and save 60% on VDI infrastructure costs. Try it free! http://p.sf.net/sfu/Citrix-VDIinabox _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
