Subject:
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re: Lego Mindstorm software on Virtual PC
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 1 Sep 1999 22:29:30 GMT
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Original-From:
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Jim Clark <clarks_littlefeet@bigfoot.=Spamless=com>
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Viewed:
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592 times
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There is a Mac version of RoboLab that is considerably better than the Mindstorms software
for an extra $25.00
Jim Clark
> ** Original Subject: Lego Mindstorm software on Virtual PC
> ** Original Sender: Eric Traut <traut@connectix.com>
> ** Original Date: Wed, 1 Sep 99 14:01:57 -0700
> ** Original Message follows...
>
> Up until now, Mac users have been unable to run the Lego-provided
> Mindstorm software on their Macs. The Mindstorm application worked on
> Virtual PC, but the serial emulation was not able to handle the
> non-standard protocol used by the application to detect the presence of
> the trasceiver.
>
> I'm happy to say that, as of Virtual PC 3.0 (coming very soon now), Lego
> Mindstorm for Windows will work.
>
> For those who are curious as to why didn't it work in the past... The
> Lego software detects their trasceiver using an unusual method. There are
> two lines on the PC serial port - DTR and RTS - that map to the single
> RTS line on the Mac's serial port. Normally, PC software asserts and
> deasserts the DTR and RTS in unison. When they don't match, Virtual PC
> needs to decide which one to mirror on the Mac's RTS. For most devices
> (modems included), the RTS is the correct choice. But for Lego Mindstorm,
> the DTR needs to be mirrored.
>
> As of Virtual PC 3.0, we allow the user to adjust which line the emulated
> serial ports mirror. The setting has no UI (we deemed it too complex for
> the average user), but it is adjustable via AppleScript. We'll ship a
> script with Virtual PC 3 to make the appropriate settings for Mindstorm.
>
> Eric Traut
> Connectix Corp.
> --
> Did you check the web site first?: http://www.crynwr.com/lego-robotics
> ** --------- End Original Message ----------- **
>
There is Love in the Red Letters.
There is truth in the Red Letters.
There is hope for the hopeless, tears and forgivness.
There is love in the Red Letters, the Red Letters.
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 1 Reply:
 | | RE: Lego Mindstorm software on Virtual PC
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| Jim, I agree that the Mac version of the software is better than the Mindstorms software, but I do have to commend Connectix Corp. for making this change in their software. I am not sure if it is directly because of the Mindstorms device, however, (...) (25 years ago, 2-Sep-99, to lugnet.robotics)
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