On Wed, 1 Jul 2015, Gene Heskett wrote:
>
> Apparently not, if no bitfile has been written, its an error.
>
> But now it does work, thanks.
>
> IO Connections for P3
> Pin#  I/O   Pri. func    Sec. func       Chan      Pin func        Pin
> Dir
>
> 1      0   IOPort       None
> 14      1   IOPort       PWM              0        PWM             (Out)
> 2      2   IOPort       StepGen          0        Step/Table1     (Out)
> 15      3   IOPort       None
> 3      4   IOPort       StepGen          0        Dir/Table2      (Out)
> 16      5   IOPort       PWM              0        Dir             (Out)
> 4      6   IOPort       StepGen          1        Step/Table1     (Out)
> 17      7   IOPort       None
> 5      8   IOPort       StepGen          1        Dir/Table2      (Out)
> 6      9   IOPort       StepGen          2        Step/Table1     (Out)
> 7     10   IOPort       StepGen          2        Dir/Table2      (Out)
> 8     11   IOPort       StepGen          3        Step/Table1     (Out)
> 9     12   IOPort       StepGen          3        Dir/Table2      (Out)
> 10     13   IOPort       None
> 11     14   IOPort       QCount           0        Quad-A          (In)
> 12     15   IOPort       QCount           0        Quad-B          (In)
> 13     16   IOPort       QCount           0        Quad-IDX        (In)
>
> And that will let me fine tune the bob to send stuff to the correct
> motor.  Pin 1 it says is e-stop out in most setups.  How do I enable
> that to detect an oncard mal-event?

pin 1 is available as GPIO (input or output) for any purpose

>
> And is there a way to make it bi-di? I see that in some configs.
>

You can make bidirectional pins by setting the is_output and open_drain
attributes of the selected GPIO pin.

> Thanks Peter.
>
> [...]
>
> 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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Peter Wallace
Mesa Electronics

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