On 1 December 2010 17:59, Stephen Wille Padnos <[email protected]> wrote:

> And to add to the complications, you don't know where you'll get the
> rising edge once the axis has tripped the limit switch.

A custom comp could watch the axis.N.home-state pin. Assuming that the
axis is set up for two-stage homing it could then set the index-enable
bit for the encoder counter and homing could be done on an OR of
home-switch state and index-enable (as index-enable will then go low
once the index is seen).

However, I think we are over-complicating this. If the p-port can't
see the index then it can't see the encoder edges and this is all
moot.

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

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