From: "Stuart MacDonald" <stuartm@connecttech.com>
To: David Lawyer <dave@lafn.org>, Ed Vance <EdV@macrolink.com>
Cc: alexm@ndtel.com, linux-serial@vger.kernel.org
Subject: Re: Saving data from the serial port
Date: Fri, 18 Apr 2003 18:02:19 -0400 [thread overview]
Message-ID: <015801c305f6$2eebb9c0$294b82ce@connecttech.com> (raw)
In-Reply-To: 20030418000627.GB442@lafn.org
From: "David Lawyer" <dave@lafn.org>
> I don't think so (but of course you should use flow control). There
> just isn't any way to use flow control to protect the FIFO buffers from
> overruns in Linux. Flow control (for the input flow into a PC) only
> protects the serial 8K buffer in main memory.
Not true. Many modern uarts have on-board flow control both hardware
and software based. Turn it on and the hardware does the magic when it
finds its fifos getting full.
The caveat is that the remote side needs to support the same method of
flow control obviously.
..Stu
--
We make multiport serial boards.
<http://www.connecttech.com>
(800) 426-8979
next prev parent reply other threads:[~2003-04-18 21:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-17 19:10 Saving data from the serial port Ed Vance
2003-04-18 0:06 ` David Lawyer
2003-04-18 18:38 ` Alex Moen
2003-04-18 22:02 ` Stuart MacDonald [this message]
2003-04-19 6:39 ` David Lawyer
2003-04-21 16:37 ` Stuart MacDonald
-- strict thread matches above, loose matches on Subject: below --
2003-04-17 18:44 Alex Moen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='015801c305f6$2eebb9c0$294b82ce@connecttech.com' \
--to=stuartm@connecttech.com \
--cc=EdV@macrolink.com \
--cc=alexm@ndtel.com \
--cc=dave@lafn.org \
--cc=linux-serial@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.