On 1/27/2012 4:23 PM, andy pugh wrote: > On 27 January 2012 21:14, Kent A. Reed<[email protected]> wrote: >> (the next-generation next-generation controller?). > The wish-list for that, for me, would include a reversible, > jerk-limited, pause-and-resumable motion system. You've stated the above as requirements. > I think I would keep most of the rest of it, but the inter-module > communications seems bafflingly complex. (I think mhaberler is already > looking at that though) That's an implementation detail. I'd state it as a requirement. The inter-module interfaces shall be documented and "as simple as possible, but no simpler." I think it's worth commenting that in at least one area, the original EMC did a great job. The one I'm thinking of is the abstraction of the "canonical machine". Regards,
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