From owner-freebsd-embedded@FreeBSD.ORG Tue Jul 1 10:39:31 2008 Return-Path: Delivered-To: freebsd-embedded@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 546C41065688 for ; Tue, 1 Jul 2008 10:39:31 +0000 (UTC) (envelope-from rb@gid.co.uk) Received: from gidgate.gid.co.uk (host-83-146-60-88.dslgb.com [83.146.60.88]) by mx1.freebsd.org (Postfix) with ESMTP id B16888FC29 for ; Tue, 1 Jul 2008 10:39:30 +0000 (UTC) (envelope-from rb@gid.co.uk) Received: from [192.168.255.1] (seagoon.gid.co.uk [194.32.164.1]) by gidgate.gid.co.uk (8.13.8/8.13.8) with ESMTP id m61AL4nr054849; Tue, 1 Jul 2008 11:21:04 +0100 (BST) (envelope-from rb@gid.co.uk) Message-Id: From: Bob Bishop To: Rohit Grover In-Reply-To: <426bed110807010301j132a75f4q1c85fce62ca85188@mail.gmail.com> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v926) Date: Tue, 1 Jul 2008 11:21:04 +0100 References: <426bed110806300025j5a92080bx59cdb2248c77b8c0@mail.gmail.com> <4869337C.6050105@vwsoft.com> <426bed110807010301j132a75f4q1c85fce62ca85188@mail.gmail.com> X-Mailer: Apple Mail (2.926) Cc: Volker , freebsd-embedded@freebsd.org Subject: Re: having trouble receiving serial data using my USB->serial adaptor X-BeenThere: freebsd-embedded@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Dedicated and Embedded Systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Jul 2008 10:39:31 -0000 Hi, On 1 Jul 2008, at 11:01, Rohit Grover wrote: > My USB->serial adaptor has a NULL modem built into it, so attaching an > external NULL modem was un-necessary and incorrect. It is a wonder > that the > devices survived this treatment. FTR, standards-compliant serial ports are pretty robust; it would be much more surprising if the devices hadn't survived. -- Bob Bishop +44 (0)118 940 1243 rb@gid.co.uk fax +44 (0)118 940 1295