I have aslo used paralel port A-B switches with the breakout boxes. That way
I can select the configuration.
Dan
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-----Original Message-----
From: Tim Goldstein <timg@...>
To: CAD_CAM_EDM_DRO@... <CAD_CAM_EDM_DRO@...>
Date: Tuesday, June 01, 1999 5:03 PM
Subject: Re: [CAD_CAM_EDM_DRO] Linux vs. DOS
From: "Tim Goldstein" <timg@...>
Dan,
I was too impatient to wait and find parts, so I hacked up a parallel cable
and got it running last night. I will probably end up doing some type of
breakout box so I don't have to climb up on my bench to change the cable on
the computer.
Tim
[Denver, CO]
----- Original Message -----
From: Dan Mauch <dmauch@...>
To: <CAD_CAM_EDM_DRO@...>
Sent: Tuesday, June 01, 1999 7:32 AM
Subject: Re: [CAD_CAM_EDM_DRO] Linux vs. DOS
From: "Dan Mauch" <dmauch@...>
Tim I have bought some of those rs232 breakout boxes and reconfigured the
pins for various customers. It will alow you to keep your current
parallel
port cable and save you from fighting the process of making up a new
cable.
I think you can buy them at radio shack for $8-9 or at other places for
$4-5.
-----Original Message-----
From: Tim Goldstein <timg@...>
To: CAD_CAM_EDM_DRO@... <CAD_CAM_EDM_DRO@...>
Date: Monday, May 31, 1999 5:20 PM
Subject: Re: [CAD_CAM_EDM_DRO] Linux vs. DOS
From: "Tim Goldstein" <timg@...>
-----Original Message-----
From: "Matt Shaver" <mshaver@...>
Gee, I didn't know you had hardware. I thought you were just checking
out
the GUI. This is great!
I am running a Shoptask machine with some Superior 550 in/oz bi-polar
steppers on each axis. I use one of Dan Mauch's 5 amp controllers and
power
the CNC stuff from a 24 VDC 20 amp surplus power supply. I have been
running
it from DeskNC DOS version. I also have DeskNC Win95 , DanCAD, and
Stepster
all set up on the system just to see what I like. Of the group of
software
products DeskNC DOS seems to be the most stable.
I became interested in a program that would provide G42 offset support
as
the Vector (the CAD/CAM product I am using) is designed to output it's
G-code using offsets. So, with all the software I currently have I must
go
in and manually draw offset paths and then remove the G42 and G40
command
from the code. A big pain, but workable. I was considering MaxNC, but
with
all the talk about EMC on this list I though I would give it a try
before
shelling out some more $$$ for this hobby.
Sorry, my fault there I'm afraid.
Not a big deal. Without your help I still would have been mucking around
trying to get the real time patch in place.
Well, there are of course two approaches to this. One of them involves
a
soldering iron... I'm not a programmer by any stretch of the
imagination,
and I don't think this is in the .ini file. Give me a little while to
dig
through the EMC source directories here and I'll get back to you. I
just
cooked some burgers on the grill, and I'm going to eat a few and think
about this. It's probably in some file called parport.h or stepper.c,
or
something like that. I can imagine it involves some changes that we
can
do
without involving the software folks such as just changing a few
numbers.
I would very much prefer if we can find a way to get it reconfigured in
the
software as all the other programs I have installed are configured for
this
particular setup. This particular configuration is what is specified for
DanCAD which to my taste is better documented in how to interface the
controller to the parallel port than any of the other software I have
seen.
Amazin', ain't it.
I'll agree with that.
Time for me to cook some burgers now. I'll check back to see if you
found
anything on setting up the parallel port.
Thanks,
Tim
[Denver, CO]
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