From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Edwards Subject: Re: [PATCH/RFC] 8250: Auto RS485 direction control Date: Mon, 4 Aug 2008 17:46:01 +0000 (UTC) Message-ID: References: <200808041637.02058.laurentp@cse-semaphore.com> <015301c8f651$cfea6cd0$2e01a8c0@acksys.local> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from main.gmane.org ([80.91.229.2]:48478 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750809AbYHDRqO (ORCPT ); Mon, 4 Aug 2008 13:46:14 -0400 Received: from list by ciao.gmane.org with local (Exim 4.43) id 1KQ48I-0001vd-64 for linux-serial@vger.kernel.org; Mon, 04 Aug 2008 17:46:10 +0000 Received: from 64.251.14.41 ([64.251.14.41]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 04 Aug 2008 17:46:10 +0000 Received: from grante by 64.251.14.41 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 04 Aug 2008 17:46:10 +0000 Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: linux-serial@vger.kernel.org On 2008-08-04, Tosoni wrote: > Last remark: > > Interestingly, the RTS envelope on the Oxford chips is > implemented with... the DTR pin. On our cards we have a piece > of hardware which redirect the uart DTR pin to the external > RTS in this case. Well, that's just plain wrong. The RS-232 standard was quite clear that RTS is what's used to enable transmission. ;) -- Grant Edwards grante Yow! I have a VISION! It's at a RANCID double-FISHWICH on visi.com an ENRICHED BUN!!