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From: andy p. <bod...@gm...> - 2016-02-02 23:00:14
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On 2 February 2016 at 22:45, Peter C. Wallace <pc...@me...> wrote: > This might be true with parallel port software stepping systems that require a > high speed base thread for pulse generation and perhaps encoder counting, > but is not the case at all for servo thread only systems, I don't think that it is necessarily the case even with parport-only systems. There seems to be an obsession with getting super-low latency and a concomitant belief that unless you can get into single-digit microseconds you might as well give up. In practice few stepper systems have hardware that can follow even a 50uS base-thread. I spend a lot of time on the forum saying "Stop fiddling, it's fine as it is, get on with something productive" -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto |