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 7BC502012AC for ; Wed, 9 May 2012 14:39:18 -0700 (PDT) Received: by snark.thyrsus.com (Postfix, from userid 1000) id 622A440478; Wed, 9 May 2012 17:38:41 -0400 (EDT) Date: Wed, 9 May 2012 17:38:41 -0400 From: "Eric S. Raymond" To: "Ron Frazier (NTP)" Message-ID: <20120509213841.GB4379@thyrsus.com> References: <02af01cd2daf$05b24bb0$1116e310$@navisys.com.tw> <20120509203719.GA3855@thyrsus.com> <4FAADF21.6030907@techstarship.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4FAADF21.6030907@techstarship.com> 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 Subject: Re: [Thumbgps-devel] Article -- Macx-1: GPS receiver with standard USB connector and PPS support 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: Wed, 09 May 2012 21:39:18 -0000 Ron Frazier (NTP) : > Good to see you. Just wondering, are there any GPS applications > which will croak because of having DCD being pulsed in that manner? Why should the applications care? Only GPSD ever *sees* that port - the applications are decoupled from it. > Also, > are there other applications which expect the pps to be coming > though another handshaking pin besides DCD? Note that GPSD will actually notice PPS over RI and CTS as well. It doesn't care - a transition on any handshake line is treated as a PPS event, because the onlty thing it ever means from a GPS. -- Eric S. Raymond