Re: [CAD_CAM_EDM_DRO] Windows Real-time

Art,

I tried your VxD on a Windows 98 machine here and it locks the machine up
immediately. The machine is an AMD K6-2 400 Mhz, 256 MB RAM, ATI 3D Rage
Pro AGP Video, Creative E1371 Sound, LNE100TX Network card, Aladdin Chipset.
I don't have any Win95 system to try it on... all the rest of the machines
run either Win2k or Linux...

Regards,

Phil Covington

----- Original Message -----
From: "Art Fenerty" <fenerty@...>
To: <CAD_CAM_EDM_DRO@egroups.com>
Sent: Saturday, November 25, 2000 12:12 PM
Subject: Re: [CAD_CAM_EDM_DRO] Windows Real-time


> 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