Subject:
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Re: I2C device for the RCX
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 14 Mar 2003 08:23:25 GMT
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Viewed:
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1131 times
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**
For some reason my e-mail didn't work anymore, so i couldn't post any messages
to Lugnet. that's why i'm responding so late. So , hoping this time it will
work, I send my post, again(for about the 10th time...)
**
It looks very good!
You say(on www.lepomux.org) that with other OS-es like NQC,one byte takes 30ms.
Does this mean you actually got a transfer rate from about 30byte/s with NQC?
that would be very cool. I never guessed NQC could work that fast!
Are you releasing some schematics from the LepoMux? i am very intrested in
this (-:
By the way, about my I2C device. I have been very busy, so I didn't got much
time for it. However, I just finished a new schematic for a device which should
make the full 100kHz from the I2C bus possible. Whit an BrickOS-RCX, this
device should make a speed from about 75kHz. SHOULD, I didn't test anything
yet.I hope to got something working soon.
-Bas
In lugnet.robotics, Gunther Lemm writes:
> > > > Some days ago we had another idea of how to transfer about 100 bytes/s
> > > > without
> > > > a kernel patch (that should even work with NQC).
> > >
> > > whit NQC? thats intresting! This is even faster than what I got here
> > > whit my BrickOS driver! I would surely like to know more about this! the
> > > I2C device made a max transfer of 27 bits/sec(=about 3,4 bytes/sec(!))
> > > whit NQC.
> >
> > We'll first check it out before boasting about it ;)
> > The whole thing won't work without some hardware modifications on the lepomux -
> > so I'll tell you about it in two or three weeks.
>
> ... took slightly longer than 2 weeks, but now it works as expected. Using
> BrickOS you'll get up to 100 byte/s without any patch. I've put a protocol
> description on www.lepomux.org.
>
> Gunther
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Message is in Reply To:
 | | Re: I2C device for the RCX
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| (...) ... took slightly longer than 2 weeks, but now it works as expected. Using BrickOS you'll get up to 100 byte/s without any patch. I've put a protocol description on www.lepomux.org. Gunther (22 years ago, 1-Mar-03, to lugnet.robotics)
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