Subject:
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Re: IR Performance -- 'standard' vs 'fast' (2400 vs 4800) and RIS 1.0 and 2.0
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 28 Nov 2005 16:55:43 GMT
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Reply-To:
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rhempel@bmts.com/AvoidSpam/
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Viewed:
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1618 times
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Dick Swan wrote:
<SNIP>
> So, bottom line is:
>
> * Serial towers appear to give near perfect performance on
> both 1.0 and 2.0 bricks using 38 KHz carrier.
>
> * USB towers and 1.0 bricks are often incompatible at 4800
> baud transmission. If you're not lucky enough to have a 1.0
> brick that works at 4800 baud, then you'll simply have to
> give up and use 2400 baud.
Which explains why I could not get quad speed downloading to work
with the USB tower on my 1.0 brick on my setup for the Tcl
Console for pbForth.
> * What I've done is given up on reliable quad speed
> downloading and fallen back on a dual speed solution. My
> downloading uses 2400 baud but without the complement bytes
> to get a dual speed performance. This works very robustly
> with no noticeable errors.
Great idea!
In case you don't hear this enough, I really appreciate
your attention to detail in these posts, Dick. Your
extra effort in getting to the root cause of observed
issues makes for interesting reading.
Cheers, Ralph
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