On 12/14/2020 10:37 AM, Matthew Herd wrote:
Thanks Andy, I’ll play with HAL today and see what happens.
Jon, you’re using the motion pins (spindle.0.xxxxx) while the "Spindle"
component also has the same naming format and some of the same names. It took me awhile
to sort it out.
Depends on the version of the configs file set! Yes, older
versions have motion.spindle.xxx
but the newer versions have just spindle.0.xx
See this forum thread for clarification:
https://forum.linuxcnc.org/32-documents/40798-spindle-on-pin
<https://forum.linuxcnc.org/32-documents/40798-spindle-on-pin>
Nonetheless, I’m a little confused on whether the motion spindle speed output
can be manipulated without the forward and reverse SSR’s being reversed.
Ignoring the spindle component for a moment, how would motion know you’ve
modified a speed output to alter the spindle.0.forward and spindle.0.reverse
outputs? At any rate, hopefully I can experiment today as suggested by Andy.
These outputs are recomputed at the servo rate, at least on
my ppmc systems.
Jon
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