From owner-freebsd-arm@freebsd.org Wed Mar 23 01:24:22 2016 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5D8A3A92624 for ; Wed, 23 Mar 2016 01:24:22 +0000 (UTC) (envelope-from fbsd@www.zefox.net) Received: from www.zefox.net (www.zefox.net [69.239.235.194]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 1676C18DC for ; Wed, 23 Mar 2016 01:24:21 +0000 (UTC) (envelope-from fbsd@www.zefox.net) Received: from www.zefox.net (localhost [127.0.0.1]) by www.zefox.net (8.14.9/8.14.5) with ESMTP id u2N1OD3L088184; Tue, 22 Mar 2016 18:24:14 -0700 (PDT) (envelope-from fbsd@www.zefox.net) Received: (from fbsd@localhost) by www.zefox.net (8.14.9/8.14.5/Submit) id u2N1ODfd088183; Tue, 22 Mar 2016 18:24:13 -0700 (PDT) (envelope-from fbsd) Date: Tue, 22 Mar 2016 18:24:13 -0700 From: bob prohaska To: freebsd-arm@freebsd.org Subject: Using one RPI2 as a serial terminal for a second RPI2 Message-ID: <20160323012413.GA86944@www.zefox.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.3i X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Mar 2016 01:24:22 -0000 Is there a way to operate an RPI2 single user with the HDMI monitor and a USB keyboard? Is it practical to cross-connect the UART pins and use cu on one RPI2 to communicate with a second? If not, is there a USB-to-3.3v UART adapter which uses existing FreeBSD drivers? Amazon.com is full of cables, but most speak only of Windows and Mac OS X. Thanks for reading! bob prohaska