Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751359AbWJQUaq (ORCPT ); Tue, 17 Oct 2006 16:30:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751266AbWJQUaq (ORCPT ); Tue, 17 Oct 2006 16:30:46 -0400 Received: from dxv01.wellsfargo.com ([151.151.5.42]:64218 "EHLO dxv01.wellsfargo.com") by vger.kernel.org with ESMTP id S1751246AbWJQUap convert rfc822-to-8bit (ORCPT ); Tue, 17 Oct 2006 16:30:45 -0400 content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT X-MimeOLE: Produced By Microsoft Exchange V6.0.6603.0 Subject: Touchscreen hardware hacking/driver hacking. Date: Tue, 17 Oct 2006 15:30:43 -0500 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Touchscreen hardware hacking/driver hacking. Thread-Index: AcbyKxw2Q/Mp7F99RUaKI0Ab6CYmpg== From: To: X-OriginalArrivalTime: 17 Oct 2006 20:30:44.0166 (UTC) FILETIME=[1ED88660:01C6F22B] X-WFMX: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1599 Lines: 41 I'm working on a prototype Hitachi tablet, it uses a Fujitsu 4-wire resistive touchscreen. {10.4" I think} I've found that windows-xp embedded uses a generic ps/2 driver for the device. I've ripped this thing to pieces on several occasions looking for chips to help the porting, my problem is that I can not find the analog-digital converter for this thing. The connector goes to a surface mount header on an 8 layer board. I loose the traces almost instantly. Given that I can't find the converter anywhere what should I do next? I've done my homework and found that this HAS to be either serial or usb attached according to Fujitsu. Aparently it's neither. There are no unknown USB devices {or known matching}, and there is no activity on the single serial port on the system. Since the windows driver uses PS/2 as the interface I have a horrible feeling this thing has an interpretation layer that makes it a PS/2 mouse, and that may or may not royally be a nightmare. I would have posted this to a different group but there is no "input" mailing list. Help? I'll give a reward to anyone willing to actually help me get this hacked out. Reward defined: Permanent shell access to my personal development envirnoment for testing kernel code. Equipment in the environment: ARM, Alpha, x86-32, MIPS/Origin, HPPA, SPARC, PPC --Greg Chandler - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/