From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from snark.thyrsus.com (static-71-162-243-5.phlapa.fios.verizon.net [71.162.243.5]) by huchra.bufferbloat.net (Postfix) with ESMTP id EE232200370 for ; Thu, 15 Mar 2012 12:36:32 -0700 (PDT) Received: by snark.thyrsus.com (Postfix, from userid 1000) id 1AC8740617; Thu, 15 Mar 2012 15:36:11 -0400 (EDT) Date: Thu, 15 Mar 2012 15:36:11 -0400 From: "Eric S. Raymond" To: Patrick Maupin Message-ID: <20120315193610.GB5250@thyrsus.com> References: <20120315183133.GC3870@thyrsus.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Organization: Eric Conspiracy Secret Labs X-Eric-Conspiracy: There is no conspiracy User-Agent: Mutt/1.5.21 (2010-09-15) Cc: thumbgps-devel@lists.bufferbloat.net, tz Subject: Re: [Thumbgps-devel] USB handshake signals and Linux X-BeenThere: thumbgps-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list Reply-To: esr@thyrsus.com List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Mar 2012 19:36:33 -0000 Patrick Maupin : > On Thu, Mar 15, 2012 at 1:31 PM, Eric S. Raymond wrote: > > > As a workaround, GPSD picks up devices that report USB vendor-id/product-ID > > pairs associated with USB-to-serial adapters like the PL2303 that are > > commonly used for GPSes.  Because this is in fact the overwhelimingly > > most common use for USB-to-serial adapters, this bodge works for almost > > everyone almost all the time. > > For what it's worth, FTDI will give you a free PID to use with their > VID with justification. So we could have a VID/PID that uniquely > identifies our dongle, and/or a VID/PID that we can allow other > manufacturers to use for any dongle using an FTDI chip and meeting the > right specifications. Oh, that's nice. > I don't know if Prolific has a similar program or not. I don't know either. Might be difficult to get the vendors to implement it if they did - their focus on cost-cutting is pretty brutal, and leads to chop-shop engineering with results you've already seen in the Xucai dongle. -- Eric S. Raymond