Thanks,

this works - I thought that only worked on standard output lines - not on
special function pins.
Sometimes I am thinking too complex...

Meanwhile I also added spindle control with a PWM output. I think the docs
are a bit outdated (or I just found the wrong ones).Some docs tell me the to
use dac.0.value (where PWMs are used to create DACs), another one mentions
pwmgen (but then use hm5i20 as a board type prefix whereas hostmot2 uses
hm2_5i20 as boardname. Nothing which cannot be fixed with a bit of logical
thinking.

Only thing to do now is to build a proper filter to get a linear analog
output - and publish my configs of course.

Cheers,
Rob

On Fri, Apr 17, 2009 at 6:56 PM, Sebastian Kuzminsky <s...@highlab.com>wrote:


> When you start emc2 and it loads the hostmot2 driver modules, it logs
> (in the syslog) the connector/pin and "IO numbers" it's using.  It'll
> look something like this:
>
> IO Pin 048 (P4-01): Stepgen #0, pin Step (Output)
> IO Pin 049 (P4-03): Stepgen #0, pin Dir (Output)
>
>  From this you can take the IO pin number for your Dir signal (049 in
> this example) and invert the signal on that pin with a HAL command like
> this:
>
> setp hm2_5i20.0.gpio.049.invert_output 1
>
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