Subject:
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RE: NQC software for Mac? (Robolab back ordered)
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 16 Dec 1998 23:10:51 GMT
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Original-From:
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Eric Hodges <eric.hodges@platinumSPAMCAKE.com>
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Viewed:
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954 times
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It's been a long time since I worked with serial hardware, but isn't there
an alternative pair of pins to RTS/CTS? DTR/DTS or something like that?
If the Mac sets the other pins you might be able to short them to the
RTS/CTS pins. I know I've done this on special cables built to connect the
2 types of equipment.
-----Original Message-----
From: Chris Osborn [SMTP:fozztexx@fozztexx.com]
Sent: Wednesday, December 16, 1998 5:00 PM
To: Rob Visscher
Cc: Bob Stern
Subject: Re: NQC software for Mac? (Robolab back ordered)
On Dec. 16 98, 13:57 PST, "Rob Visscher" <ffrob@knoware.nl> wrote:
> I'm also wrestling with the Mac problem. I'm looking for someone
> who tried getting it working with Virtual PC 2.0. The software
> runs perfectly, but i've got some trouble to communicate with the
> IR unit. I'm using a ordinary modem-cable to connect to the IR
> unit.
It will *never* work. The PC software fiddles with the RTS and CTS
pins, which the Mac *does not have*.
---
Chris Osborn FozzTexx Enterprises
707 226 7629 - Voice 2136 Coronado Ave.
707 253 3063 - Fax Napa, CA 94559
<fozztexx@fozztexx.com> <http://www.fozztexx.com/>
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Message has 3 Replies:
 | | Re: NQC software for Mac? (Robolab back ordered)
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| (...) DTR/CD aren't alternatives, they serve an entirely different purpose. The PC software toggles the CTS signal, which the tower shorts to RTS, so that it can tell if the tower is connected. Since the Mac serial port doesn't have those pins, (...) (25 years ago, 17-Dec-98, to lugnet.robotics)
| | | Re: NQC software for Mac? (Robolab back ordered)
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| Chris, If it is just having RTS=CTS, a software solution may be possible. E.g.: patch the SPIRIT.OCX so that it always returns RTS=CTS, patch the Mindstorm so that it doesn't care if the tower is connected, or patch windows or DOS so that RTS=CTS. (...) (25 years ago, 17-Dec-98, to lugnet.robotics)
| | | Re: NQC software for Mac? (Robolab back ordered)
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| (...) Exactly! Someone would have to disassemble spirit.ocx or the Windows serial port driver to figure out how to do this. (It makes much more sense to work on spirit.ocx, because various versions of Windows will have different drivers.) Bob Stern (25 years ago, 17-Dec-98, to lugnet.robotics)
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