[BRLTTY] Refreshing problems?

[Mark L. Melonson]

Dave,

You did suggest the -U, I believe we tried both 10 and 100. I will collect 
some packet tracings from Windows and upload them as soon as I get a 
chance. Thanks!

Best regards,
-Mark

---
"Life cane be expressed through a game of chess... Our struggles are
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On Fri, 2 Feb 2007, Dave Mielke wrote:

> Date: Fri, 2 Feb 2007 07:27:22 -0500
> From: Dave Mielke <dave at mielke.cc>
> Reply-To: Informal discussion between users and developers of BRLTTY.
>     <brltty at mielke.cc>
> To: Informal discussion between users and developers of BRLTTY.
>     <brltty at mielke.cc>
> Subject: Re: [BRLTTY] Refreshing problems?
> 
> [quoted lines by Mark L. Melonson on 2007/02/01 at 22:08 -0700]
>
>> Attached is bm-flow.patch, If I remember correctly, it was to enforce
>> serial flow control.
>
> Yes, it enables hardware flow control. If that doesn't work then the device
> clearly doesn't use it.
>
>> To recap... I am using a Brailliant 80, and when I am typing, and I reach
>> around the 50th, cell or so, I start getting garbage on the display...
>> dots and then cells drop seemingly randomly, as my typing progresses. This
>> also occurs when I press type too fast or keep my finger on backspace. It
>> also seems to occur when I move from line to line quickly. The problem
>> corrects itself if I turn the display off and then back on, but it's very
>> tedious when you are knee-deep in code ;).
>
> Yes, I remember now. These are indeed all signs of serial data overruns. Did I
> suggest (a few months ago) to try using the -U (uppercase) option of brltty to
> specify a slower refresh rate as a test to see if that made the problem go
> away? If so, what was the result?
>
>> I hope that helps... I will wait to try tracing until I hear back from
>> you, just so we don't end up going down two possibly confusing paths.
>
> Please do go ahead and give it a try.
>
> -- 
> Dave Mielke           | 2213 Fox Crescent | I believe that the Bible is the
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