From: "Chris Doré" <cdore@connecttech.com>
To: linux-serial <linux-serial@vger.kernel.org>
Subject: RE: Handling RTS
Date: Mon, 14 Jan 2008 10:05:03 -0500 [thread overview]
Message-ID: <005401c856be$d8db3a00$8a91ae00$@com> (raw)
In-Reply-To: <OF13421728.28514CCE-ONC12573CC.002D2F04-C12573CC.002E6D4E@cemitec.com>
> From: linux-serial-owner@vger.kernel.org [mailto:linux-serial-
> owner@vger.kernel.org] On Behalf Of JZabalza@cemitec.com
> Sent: January 10, 2008 3:27 AM
> To: linux-serial
> Subject: RE: Handling RTS
>
> Thanks for your response. I have a PC, so dmesg said
>
> serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>
> How I said, I just handle RTS but from userland. This means a big
> latency between RTS activation and begin out data. I want only reduce this
> latency activating RTS on driver. My question is, is this *protocol*
> implemented actually or I must implement them.
I'm not an expert on the current 8250 driver, but I believe you will have to
implement your 485 control.
We may have done this in one of our drivers, but in my quick search I can't
find one that doesn't take advantage of the extra features supplied by the
UARTs we use.
Best of luck, Chris
next prev parent reply other threads:[~2008-01-14 15:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-09 18:17 Handling RTS JZabalza
2008-01-09 20:35 ` Chris Doré
2008-01-10 8:27 ` JZabalza
2008-01-14 15:05 ` Chris Doré [this message]
2008-01-21 11:57 ` JZabalza
2008-01-24 13:42 ` Tosoni
2008-01-25 9:37 ` JZabalza
2008-01-28 9:27 ` Tosoni
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