On 11/25/2013 11:38 AM, John Kasunich wrote: > As Seb says, those pins are outputs from motion, and can be > controlled ONLY by g-code.
I don't mind controlling the value with g-code, but this is "jog while UN-paused"...I'd need to be able to inject gcode into a running program stream. Not easy to do at the moment, but I have hopes that Michael's messaging updates will make something like this a LOT easier. > I think you can do better than the mux approach though. For > example, use a summer, and add a manually adjustable (PyVCP > or gladeVCP) "temperature trim" value to the main value coming > from the g-code. > > Or maybe you want the trim value to be a multiply instead of an > add. Depends on the nature of the variable you are controlling. > > But the general gist is that you are combining the value from the > g-code with the manual value, rather than over-riding the one with > the other. A trim probably makes more sense than a mux, but both could work in different contexts. My immediate application is tweaking print temperature, where a trim seems appropriate. For other applications (like the cooling fan) a full override probably makes more sense. Or maybe even both with a GUI control panel... I'll play with the options and see what works, but would rather have been able to just: halcmd --Do_what_I_want_to_the_motion_outputs NewTemp ...or similar. :) Ah well... -- Charles Steinkuehler [email protected]
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