From owner-freebsd-current@freebsd.org Sun Jul 24 18:52:42 2016 Return-Path: Delivered-To: freebsd-current@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 D060ABA1CF2 for ; Sun, 24 Jul 2016 18:52:42 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-io0-x22b.google.com (mail-io0-x22b.google.com [IPv6:2607:f8b0:4001:c06::22b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 95F871192 for ; Sun, 24 Jul 2016 18:52:42 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-io0-x22b.google.com with SMTP id 38so145145127iol.0 for ; Sun, 24 Jul 2016 11:52:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=fHQWafWE/nnTQWULDBYQjyFAEVeOII5E0Vgdr2Ho+Qw=; b=X6JSAqbgMWgHRdsNhWh/hZDru7zEkcdw5mQitPQPQstHspnSKDC8vbIcBgLEL3ZSDT F/DzdlZ0ZVQNFW/o37xkxUN3khKoCTup2/siiCdp/B4b8YCFpdZduT68TwCBTG7s4xr1 nOtx+CEZh0AZbujLdjWA+q13Gzyd2NrGwDhZAqoA2Tit1l+Dy0jMyHI+2uef1+Xtzpyz nbFyAybUTbP5Tx7TElMNfELDz/FLJoo54Bn3r4WAy4iy2dXZ+uSBFEtI2+GntT+AwjHH 9okNZDvOrdbJxdWkdZjELdMSQHDP2Ac0eJqB8lN1Cabx9IcgsLMZgFHsjug6x9EHJvHj Ev/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=fHQWafWE/nnTQWULDBYQjyFAEVeOII5E0Vgdr2Ho+Qw=; b=KMILBAmd9H4N6WKr0oJNUrRD8SMqmp9Rb4kbMNlxPtU86jsSkfa5h4egW8CCVvSjUT vjbZVSMbV/GZSt1dhjNzZb3II+kZwFcUWy7PMTNEleVlhoEKT2otT4fv+Adge8IPy7Ly b5/kcUnPBIa6VI1wYEvfUGE7FIX1/3qgWe0HjZWhhZsNSG+j3UWSdaeM/iBeMbCvFz8c bsPoPNCzI2StU+ubAxQvnx1k5kIzMApzfrYFmDgBQp4ZmEyqDeqUEn60DdXEU4B8J4FO iZW/4q/lEMBicU32eEovkR1vIhUa+/5b+VCtBHFIGEV0TiOZmb8ERZzd5kccB0iVfu9u HhvQ== X-Gm-Message-State: AEkoouuP7LyWmnb2mwTQhXmYgo1+VK0Z2CWMAiwCJwmVNd8dKtIsAbHGAVaCkGUHr3iDceR2j3BiSKkmNHjjfA== X-Received: by 10.107.40.133 with SMTP id o127mr15931566ioo.183.1469386361825; Sun, 24 Jul 2016 11:52:41 -0700 (PDT) MIME-Version: 1.0 Sender: wlosh@bsdimp.com Received: by 10.79.137.131 with HTTP; Sun, 24 Jul 2016 11:52:41 -0700 (PDT) X-Originating-IP: [50.253.99.174] In-Reply-To: References: <20160722183556.2fc39fd7.ohartman@zedat.fu-berlin.de> <1469206374.84197.14.camel@freebsd.org> <20160723220430.34ce02fe.ohartman@zedat.fu-berlin.de> <1469306951.84197.31.camel@freebsd.org> <20160724080330.3a27e875.ohartman@zedat.fu-berlin.de> <20160724083859.4c0dd392@ernst.home> <20160724105134.184f0b7f.ohartman@zedat.fu-berlin.de> <1469379334.84197.40.camel@freebsd.org> From: Warner Losh Date: Sun, 24 Jul 2016 12:52:41 -0600 X-Google-Sender-Auth: Xf-fUTjYm0fb7Ps7eK1otRDjVSM Message-ID: Subject: Re: Digi Watchport/T temperature sensor as /dev/ttyU To: Kevin Oberman Cc: Ian Lepore , FreeBSD CURRENT , "O. Hartmann" , "freebsd-usb@FreeBSD.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 Jul 2016 18:52:42 -0000 On Sun, Jul 24, 2016 at 12:42 PM, Kevin Oberman wrote: > There are several different USB serial drivers. Off-hand I see ubser, ubsa, > uchcom, ucom, ucycom, uftdi, ubgensa, umcs, umct, umoscom, uplcom, > usb_serial, uslcom, and uvscom. Whether any of these will support the TI > chip, I can't say. Most have man pages, but a few, as has been noted, are > lacking one. I tried to automate discovery of these things. However, the only way you can really know for sure about the TI chip is to read it's datasheet and compare that with extant drivers. It's actually easier than it sounds. I've often thought of unification of the TTY USB drivers, since they are most (but not all) based on the standard plus extra bits. Warner