On Monday 11 December 2017 08:43:47 andy pugh wrote:

> On 11 December 2017 at 13:37, Gene Heskett <ghesk...@shentel.net> 
wrote:
> > You're right I realize now. So how do I drive a pyvcp pin from
> > gcode? Theres way more than the 4 allowed in motions digital i/o.
>
> You do need to use the G-code DIO, but 4 is the default, not the
> limit.
>
> num_dio can be used to increase that in the loadrt motmod line in HAL.
> http://linuxcnc.org/docs/2.7/html/man/man9/motion.9.html

There is one thing wrong with that, it can't be tested without first 
homing the machine, which because the x home switch is about 15" 
off-center, takes at least another minute to do a test of each signal. 
And all that disturbs my train of thought.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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