From mboxrd@z Thu Jan 1 00:00:00 1970 From: Henrik Rydberg Subject: Re: [PATCH 2/2] elantech: Report multitouch with proper ABS_MT messages Date: Thu, 06 May 2010 00:15:26 +0200 Message-ID: <4BE1EDFE.20001@euromail.se> References: <4BE1629E.50901@tudelft.nl> <20100505163832.GA7337@core.coreip.homeip.net> <4BE1B289.2040204@euromail.se> <4BE1B595.9090705@tudelft.nl> <4BE1B84C.1040903@euromail.se> <4BE1BA57.5080709@tudelft.nl> <4BE1C198.3080809@euromail.se> <4BE1E0CF.9020008@tudelft.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from ch-smtp01.sth.basefarm.net ([80.76.149.212]:50525 "EHLO ch-smtp01.sth.basefarm.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752109Ab0EEWPh (ORCPT ); Wed, 5 May 2010 18:15:37 -0400 In-Reply-To: <4BE1E0CF.9020008@tudelft.nl> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: =?ISO-8859-1?Q?=C9ric_Piel?= Cc: Dmitry Torokhov , Florian Ragwitz , "linux-input@vger.kernel.org" , =?ISO-8859-1?Q?St=E9phane_Chatty?= , Benjamin Tissoires =C9ric Piel wrote: > Op 05-05-10 21:06, Henrik Rydberg schreef: >> =C9ric Piel wrote: >>> BTW, does anyone know a graphical app which reads the MT events fro= m a >>> /dev/input/eventX device and displays them as points in a window? T= hat >>> would be rather helpful to reverse-engineer/debug multitouch hardwa= res. >> Something like fingermgmt in OSX? Not to my knowledge. The touchd pr= oject >> includes some graphics via python, but is not based on MT events. Ma= ybe our >> friends at ENAC has something cooking? >=20 > Thanks a lot for the tips. > I've hacked up an app which does just this, based on touchd and > pyinputevent. Thanks for the app, works nicely after adjusting the touchpad resolutio= n to fit my bcm5974. Henrik > Apparently when there are two fingers, the hardware doesn't report > really the finger coordinates but the lowest and highest points of th= e > rectangle defined by the two fingers. I take it you are referring to the enumeration of the fingers, the orde= r in which they appear on the wire? Henrik -- To unsubscribe from this list: send the line "unsubscribe linux-input" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html