From: Stas Sergeev <stssppnn@yahoo.com>
To: linux-msdos@vger.kernel.org
Subject: Re: Com port question
Date: Sun, 17 Nov 2002 21:09:35 +0300 [thread overview]
Message-ID: <3DD7DB5F.4070000@yahoo.com> (raw)
Hello.
Ged Haywood wrote:
> I do not think FIFO buffering will help a program which manipulates
> the DTR line directly, as the UART is not actually sending data in
> the normal way - it's just being used as a 1-bit data latch.
Right, that's what I implied to actually.
It works quite fast in a FIFO mode [only
when the actual data transfer is concerned
of course]. In all other cases it falls
down with perforance [and the DTR case
is the one of those].
next reply other threads:[~2002-11-17 18:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-17 18:09 Stas Sergeev [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-11-17 14:06 Com port question Stas Sergeev
2002-11-17 16:33 ` Ged Haywood
2002-11-17 18:10 ` Bernie Gardner
2002-11-17 1:10 Bernie Gardner
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