I believe the Machinekit fork of LinuxCNC is designed to allow multiple G-code interpreters and multiple motion modules. I'm not sure how much has been implemented and tested along those lines yet, but you might check in with the machinekit email list.
-- Ralph ________________________________________ From: Jerry Scharf [[email protected]] Sent: Thursday, September 24, 2015 8:05 AM To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] multiple gcode streams in parallel Hi, These are two completely independent machines with no coordination. Many times only 1 will be operating. I am trying to work out what happens when both are operating at the same time. It would be simpler to have two separate controller, but that's not where we are at right now. jerry On Thu, Sep 24, 2015 at 6:23 AM, TJoseph Powderly <[email protected]> wrote: > It doesnt sound like the task is well defined here on mail list. > > If the 2 independent(?) systems do not require interpolation _between_ > them, then M65 thru M66 could provide the 'handshaking'. > Each would have a 'busy' and a 'fin' signal. > This is extremely sequential. > > Else please explain more, > and what did you see happen when > ~"it didnt seem ready to accept commands" ? > > TomP tjtr33 > > On 09/24/2015 03:00 AM, Gregg Eshelman wrote: > > On 9/24/2015 12:57 AM, Dave Caroline wrote: > >> might be better to let the two talk to each other in some way so move > >> starts/runs are really synchronised properly rather than rely on > >> buffers. > >> eg classic ladder or some clocking or whatever > >> > >> Dave Caroline > > > > That sounds good. What you Do Not Want is a race condition where you > > have two or more independent parallel processes with nothing to ensure > > they always complete in the correct order. > > > > For an example of what can happen, google Therac 25 > > > > > > ------------------------------------------------------------------------------ > Monitor Your Dynamic Infrastructure at Any Scale With Datadog! > Get real-time metrics from all of your servers, apps and tools > in one place. > SourceForge users - Click here to start your Free Trial of Datadog now! > http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Jerry Scharf FINsix IT 650.285.6361 w 650.279.7017 m ------------------------------------------------------------------------------ Monitor Your Dynamic Infrastructure at Any Scale With Datadog! Get real-time metrics from all of your servers, apps and tools in one place. SourceForge users - Click here to start your Free Trial of Datadog now! http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Monitor Your Dynamic Infrastructure at Any Scale With Datadog! Get real-time metrics from all of your servers, apps and tools in one place. SourceForge users - Click here to start your Free Trial of Datadog now! http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
