Return-Path: Content-Type: text/plain; charset="iso-8859-1" From: Ronny L Nilsson To: bluez-devel@lists.sourceforge.net, Peter Wippich Subject: Re: [Bluez-devel] varying time to connect Cc: Albert Huang References: In-Reply-To: MIME-Version: 1.0 Message-Id: <20050615131507.384A0810@arbetsmyra.dyndns.org> Sender: bluez-devel-admin@lists.sourceforge.net Errors-To: bluez-devel-admin@lists.sourceforge.net Reply-To: bluez-devel@lists.sourceforge.net List-Unsubscribe: , List-Id: BlueZ development List-Post: List-Help: List-Subscribe: , List-Archive: Date: Wed, 15 Jun 2005 15:14:08 +0200 > the clock offset is only usefull (if at all.....) if the most recent > inquiry wasn't to long ago and both devices were not powered down (or > reset) in between. From our experiences it doesn't help alot under > normal conditions to speed up connection setup. Hi Ok. If one is sure of none of the devices has reset, for aprox how long is a clock offset cache usable? I suspect they drift somewhat. Seconds, minutes or hours? /Ronny ----- > Of cause you can do an inquiry just before connection setup to get > the actual clock offset, but in total your connection setup time will > increase. > Further, if I remember right, most Bluetooth modules cache clock > offsets internaly. > I think these are the reasons why BlueZ doen't make use of it. > Peter ------- > On Wed, 15 Jun 2005, Ronny L Nilsson wrote: > > http://sourceforge.net/mailarchive/forum.php?thread_id=7501858&foru > > Anyone who can confirm this? Or is there a reason why the clock > > offset parameter ain't used? I'm thinking of perhaps modifying hcid > > to cache clocks from most resent inqury to reuse them later, at a > > subsequent connect. Or is there a better way? > > /Ronny Nilsson ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click _______________________________________________ Bluez-devel mailing list Bluez-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-devel