On 18 October 2011 18:17, Viesturs Lācis <viesturs.la...@gmail.com> wrote:

> Machine with 2 spindles (one moved by XY, the other - by UV) and
> stepper motors, running EMC2.4.6

I haven't tried all that hard to follow the HAL, but I think you are
at the level of complexity where a comp module might work better.
Another idea would be use user-defined M-codes in the G-code to switch
the parameters of gantrykins to slave and unslave axes.

The comp is probably better, you can lie to EMC2 about the positions,
track the offsets, and do bumpless transfers (with speed limiting)
between control modes.

-- 
atp
"Torque wrenches are for the obedience of fools and the guidance of wise men"

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