Re: More EMC Conversations w/ Controller Boards

Wow--yes, there's a whole wealth of info at www.comedi.org about
drivers for I/O boards. There must be similar drivers in EMC for the
Servo-To-Go card ...




--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Marshall Pharoah"
<mpharoah@t...> wrote:

>
>
> > -----Original Message-----
> > From: jackw19x <jmw@c...> [mailto:jmw@c...]
> > Sent: Monday, January 20, 2003 5:41 PM
> > To: CAD_CAM_EDM_DRO@yahoogroups.com
> > Subject: [CAD_CAM_EDM_DRO] More EMC Conversations w/ Controller

Boards

> >
> >
> > From previous posts I get the idea that servo motion control

boards

> > like Servo-to-Go, Pico and similar boards are what lab people

would

> > call a multi-i/o board: some DAC's, digital IO capabilities,
> > interrupts and clock-timers. (OK, not every I/O board has

quadrature

> > decoders, but some have 24-bit counters which is getting close.)
> >
> > Think it would be possible for a mere mortal to get EMC to
> > communicate with a MIO board over the ISA or PCI bus? I guess the

STG

> > team managed to do it ... The thing is, these boards turn up cheap
> > once they're a generation down.
> >
> Yes, this can be done. I have not done it with EMC, but I have

written

> software for Linux to drive digital I/O cards on the ISA bus.

While I

> wrote my drivers from scratch (for 8255 PIA chips) I have seen

drivers

> available for other boards and buses. Search for COMEDI on the net.
> Some of these should be able to be used with RTAI or RT linux.
>
> Marshall