From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27332 invoked by alias); 5 Aug 2004 18:28:57 -0000 Mailing-List: contact ecos-discuss-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: ecos-discuss-owner@ecos.sourceware.org Received: (qmail 27325 invoked from network); 5 Aug 2004 18:28:57 -0000 Received: from unknown (HELO web53805.mail.yahoo.com) (206.190.36.200) by sourceware.org with SMTP; 5 Aug 2004 18:28:57 -0000 Message-ID: <20040805182856.9192.qmail@web53805.mail.yahoo.com> Received: from [66.251.28.161] by web53805.mail.yahoo.com via HTTP; Thu, 05 Aug 2004 11:28:56 PDT Date: Thu, 05 Aug 2004 18:28:00 -0000 From: Giri Raja To: ecos-discuss@ecos.sourceware.org Cc: Nick Garnett In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Subject: Re: [ECOS] wiggle with the CTS pin X-SW-Source: 2004-08/txt/msg00107.txt.bz2 Thanks for the response. Thats right, when I meant CTS, its for the remote end. Currently I'm using the serialB. maybe I can shift the debug port to serialB and switch the COM stuff to serialA. So if it is the serialA, how do I do it? Thank you very much. Giri. --- Nick Garnett wrote: > Giri Raja writes: > > > Hi, > > I need to send a 'LO' signal to the CTS pin in > one > > of my serial ports, on an EB40A board. Is there > any > > API to do this? > > there was an email on this issue last month -- > > > http://sources.redhat.com/ml/ecos-discuss/2004-07/msg00109.html > > > > just wanted to know if anything exists already. > > You have the basic problem here that the RTS/CTS > lines on the EB40A > serial connectors are not controllable. Those on > serial A are > connected together, so RTS just reflects CTS, and > they are not > connected at all on serial B. Even if they were > controllable, it would > have to be via PIO pins since the AT91 USARTs do not > support anything > other than TXD and RXD. > > Also, when you say CTS, I guess you mean the CTS > input to the remote > end of the line, which should be the RTS output at > this end. So, if > you use serial A and get your remote end to hold its > RTS low, then the > reflected CTS will be low too. > > > -- > Nick Garnett eCos Kernel > Architect > http://www.ecoscentric.com/ The eCos and RedBoot > experts > > __________________________________ Do you Yahoo!? Yahoo! Mail Address AutoComplete - You start. We finish. http://promotions.yahoo.com/new_mail -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss