Newsgroups: comp.robotics
Subject: C and the printer port?
From: steve.jones@mecheng.fullfeed.com (Steve Jones)
Path: brunix!cat.cis.Brown.EDU!agate!ihnp4.ucsd.edu!news.cerf.net!mvb.saic.com!MathWorks.Com!europa.eng.gtefsd.com!howland.reston.ans.net!vixen.cso.uiuc.edu!uwm.edu!daffy!uwvax!gorgon!fullfeed!mecheng!steve.jones
Distribution: world
Message-ID: <af.6486.33.0NAF8EEE@mecheng.fullfeed.com>
References: <774792519snz@labman.demon.co.uk>
Date: Mon, 25 Jul 94 11:40:00 -0600
Organization: MechEng / American Society of Mechanical Engineers
Lines: 18



A>If you want to control stepper(s) motors from the parallel port then I
A>can tell you now that it is very easy - we have built an 'interface'
A>card that goes between the port and the stepper motors and has 16
A>outputs and  16 inputs (soon to be 64 of each !).

I am also interested in stepper motor control and am a beginner in the 
controller arena.  So I have a few questions.  What kinds of motion 
parameters do you use (eg. direction, steps, velocity, acceleration)?
Where can I find a parallel port interface card similar to yours?  Does 
the C language    like Borland 3.0 have the necessary commands "built 
in" to control a stepper motor (bit level commands?)?  

Thanks in advance for any help you might be able to give.
     
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