2010/1/9 Flying Electron <[email protected]>:
>
> Thanks!  I can look through the docs to find out where the setting is.

It is mentioned briefly here:
http://linuxcnc.org/docs/html/gcode_main.html#sec:M62-to-M65:

I just tried editing the HAL file from the stepconf config on my VM,
and it worked fine like this (giving 25 dio lines)
loadrt [EMCMOT]EMCMOT base_period_nsec=[EMCMOT]BASE_PERIOD
servo_period_nsec=[EMCMOT]SERVO_PERIOD num_joints=[TRAJ]AXES
num_dio=25

You might have a hand-carved HAL something like this, though.

loadrt motmod base_period_nsec=25000 servo_period_nsec=1000000
num_joints=4 num_dio=25

You can also change the number of analogue inputs with the num_aio
parameter, but that errors out if you try to have more than 16.
(though that was found by guesswork and does not seem to be documented
anywhere)


-- 
atp

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