On Tue, Jan 06, 2009 at 12:32:08PM -0600, Len Shelton wrote:
> I know this has been covered before, but I cannot find it...
>
> How do you connect two pins to the same signal to be able to, for instance,
> use two stepper motors on the same axis?
You can do this in one or more 'net' commands:
On one line:
net Xstep stepgen.0.out => parport.0.pin-02-out parport.0.pin-08-out
On multiple lines (just one of many variations):
net Xstep stepgen.0.out => parport.0.pin-02-out
net Xstep => parport.0.pin-08-out
For a given signal (Xstep in this example) you can have only one source
(a hal "OUT" pin, stepgen.0.out in this example), and as many readers as
you like (a hal "IN" pin, parport.0.pin-##-out in this example).
(For so-called "IO" pins like index-enable, the rule is a little
different and I won't try to summarise it for fear I'll get it wrong)
Jeff
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