RE: [CAD_CAM_EDM_DRO] Re: I'm curious

There is a version of mach3 (maybe to be renamed) to control the Geckodrive
USB pulse-generator(formerly the G2002/3?).

I don't see why that mode couldn't be used as you describe.

Andy Wander
Verrex Corporation

-----Original Message-----
From: Jack Hudler [mailto:yahoo@...]
Sent: Thursday, July 21, 2005 3:11 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: RE: [CAD_CAM_EDM_DRO] Re: I'm curious

That's unfortunate, because then he would be free to add new features
instead of worry about when to yield time to his pulse generator.

I'm very serious about this part; it would be a very simple matter indeed
and inexpensive to create an external device using a Parallax Javelin stamp
to read RS-232 or USB commands that would issue the pulses for him and thus
reliving him of that task.

Perhaps a new version of Mach is needed.

Jack
-----Original Message-----
From: CAD_CAM_EDM_DRO@yahoogroups.com
[mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of Jon Elson
Sent: Thursday, July 21, 2005 12:11 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: Re: [CAD_CAM_EDM_DRO] Re: I'm curious

The problem is that Mach(x) was written from the ground up as a software
step generating program. Art sent me the source code of his "driver"
section,
and I immediately saw that it would be a HUGE effort to convert it to the
servo model of operation. About every 5 lines of code, it would check to
see if it was time to issue a step pulse! Also, the driver mechanism he
selected does not allow you to use floating point arithmetic, which is a bit
of a limitation.
Anyway, I think it would be impossible for someone to do this without
extensive help from Art, and I don't think he is interested.

Jon





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