Re: [CAD_CAM_EDM_DRO] Windows Real-time

----- Original Message -----
From: "Alan Marconett KM6VV" <KM6VV@...>
To: <CAD_CAM_EDM_DRO@egroups.com>
Sent: Saturday, November 25, 2000 10:54 AM
Subject: Re: [CAD_CAM_EDM_DRO] Windows Real-time


> Thanks Art,
>
> This is something I want to look into and try! The last thing similar
> was a Diagnostic program for OS/2 using several DLL's, probably 6 years
> ago. Looks like I've got some more studying to do. Any suggestions?
>
> Alan
>
> Art Fenerty wrote:
> >
> > Alan:
> >
> > The interface is an automation object (COM) written in C++. It's
only
> > purpose is to send data to the VXD which is mostly assember. The VXD
accepts
> > 4-byte commands
> > where the first byte is motor step and direction for each of 4-axis, and
the
> > next two bytes are a number from 0-8191
> > which is the frequency in hertz to wait till the next pulse.
> > The VXD has a 64000 integer buffer so even at 8khz you have several
> > seconds (8) to do work before you need to add to the buffer. The buffer
is a
> > ring buffer that just keeps looping around. There will be a series of
> > command that can be used such as Spindle( on | off )..Aux1( on | off)
and
> > AddToBuffer( int* ); As well as a callback function for emergency stop.
This
> > should make it rather easy to do real time in windows. It seems to work
as
> > well as any dos version of stepping does.
> >
> > Art
> >
> > ----- Original Message -----
> > From: "Alan Marconett KM6VV" <KM6VV@...>
> > To: <CAD_CAM_EDM_DRO@egroups.com>
> > Sent: Friday, November 24, 2000 6:42 PM
> > Subject: Re: [CAD_CAM_EDM_DRO] Windows Real-time
> >
> > > Art,
> > >
> > > That's great! Can I assume that the interface could also be used with
> > > visual C++? Is it a DLL, or a COM module? More info would be welcome
> > > when you're ready!
> > >
> > > Alan KM6VV
> > >
> > > Art Fenerty wrote:
> > > >
> > > > Alan:
> > > >
> > > > After Master Control is released, I will probably release the
> > interface
> > > > so visual basic programmers, etc.. can develop more apps that are
> > windows
> > > > real-time.
>
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