> -----Original Message-----
> From: duncanm@xxxxxxxxxxxxxxxxxxx [SMTP:duncanm@xxxxxxxxxxxxxxxxxxx]
> Sent: Thursday, October 29, 1998 11:14 AM
> To: olympus@xxxxxxxxxxxxxxx
> Subject: Re: [OM] Firing an OM from a PC
>
> Wayne,
>
> This sort of thing is easily constructed by someone with a bit of
> s/w and h/w nouse. Working at digital, I'd expect there be more than
> one or two people in the building who could knock something up for you.
>
Probably not as many as you might imagine in our office, however I
think I can find somebody.
> I think a commercial version would probably be overkill for what you
> want.
>
> Try the following (note: I haven't tried this, it's just the first thing
> that
> came to my mind).
>
> Gubbins:
>
>
> +5V<--+ +------->
> | |
> =|| |
> (relay)=|| \ to winder ctrl
> =|| |
> | |
> PP0<--+ +------->
> (parallel port
> bit 0)
>
>
> and then a piece of code to twiddle the bit.
> Make sure you run this before (to unset the bit)
> and once every time you want to fire off a shot.
>
> a chunk of C-code
>
> #include <conio.h> /* for BorlandC, anyway */
>
> main ()
> {
> outport(0x378, 0x00);
> delay(100);
> outport(0x378, 0x01);
> }
>
>
> Sounds like it should work. Can anyone remember if 0x378
> is usually the parallel port?
>
>
>
> the usual disclaimers apply.
>
Many thanks, give it a try when I get the spare time !
Cheers,
...Wayne
> Wayne Harridge <Wayne.Harridge@xxxxxxxxxxx> on 29/10/98 10:19:49
>
> Please respond to olympus@xxxxxxxxxxxxxxx
>
> To: "'olympus@xxxxxxxxxxxxxxx'" <olympus@xxxxxxxxxxxxxxx>
> cc: (bcc: Duncan McRae/QSA/AU)
> Subject: [OM] Firing an OM from a PC
>
>
>
>
> Dear All,
> This topic is probably a bit off topic for this list, but I'm sure someone
> on it has the answer for me. Thinking about the Olympus intervalometer
> led
> me to the idea of firing an OM from a PC (Personal Computer). This has
> the
> advantage of being more "programmable" in the sense that I could (for
> example only) fire a frame at certain predetermined times during the day
> rather than at a fixed interval.
> I guess what I am after really is some sort of interface which would give
> a
> contact closure under program control. I would envisage that there is
> such
> a device which I could plug in to the PC parallel port (would make it
> usable
> on a laptop).
> Does anyone know of such a device or have any possible references to
> companies which may manufacture something like this ?
> TIA,
> ...Wayne
>
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