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 46961200832 for ; Tue, 20 Mar 2012 05:06:07 -0700 (PDT) Received: by snark.thyrsus.com (Postfix, from userid 1000) id 9B06A4081F; Tue, 20 Mar 2012 08:06:03 -0400 (EDT) Date: Tue, 20 Mar 2012 08:06:03 -0400 From: "Eric S. Raymond" To: Andrew McGregor Message-ID: <20120320120603.GG10320@thyrsus.com> References: <20120317064513.GA3482@thyrsus.com> <1014E797-3720-4CD3-B2A9-2E70DA1D7C77@gmail.com> <20120317101153.GA4388@thyrsus.com> <20120317180451.GB6851@thyrsus.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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 Subject: Re: [Thumbgps-devel] PPS over USB Serial can work 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: Tue, 20 Mar 2012 12:06:07 -0000 Andrew McGregor : > Ok, make that three days. > > Having hooked up a PL2303-based USB serial cable, I conclude that it works, and without a long-term test I can't see any particular difference to the FTDI board. It's just possible that the jitter may be slightly higher, but I have no logging with which to collect statistics at the moment. That will be more than I can get done before I go away. Thanks. Knowing it's in the same general sub-1ms range is enough to advance the ball on Plain Jane. Detailed stats may be interesting later but there is no time pressure about that. -- Eric S. Raymond