Date: Sun, 04 Jul 2010 12:48:41 -1000 From: Gary Dunn <osp@aloha.com> To: freebsd-usb@freebsd.org Subject: Supprt for touch panel digitizer Message-ID: <1278283721.1518.23.camel@slate01>
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I posted some questions on freebsd-general and got some pointers but nothing specific. Then I saw this and thought I should ask here in case someone is working this issue: > From: Norikatsu Shigemura <nork <at> FreeBSD.org> > Subject: usb touch screen support? > Newsgroups: gmane.os.freebsd.devel.usb > Date: 2009-07-04 19:08:52 GMT (52 weeks, 1 day, 3 hours and 25 minutes ago) > Hi. > > I got a usb touch screen device A.K.A. eGalax. > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - > ugen4.4: <USB TouchController eGalax Inc.> at usbus4, cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - > > In this time, however, FreeBSD doesn't support usb touch screen. > So I researched Linux's (drivers/input/touchscreen/usbtouchscreen.c) > and NetBSD's (uep(4)) implementations. It's too simple. > > I considered making modified ums(4) to adapt usb touch screen. > But I noticed that ums(4) should be become a mouse subsystem > like ucom(4), and I gave up. Anyone, do you have any idea? In my case it is a Fujitsu T-1010 tablet PC with a passive USB digitizer. Looks to me like I need to write a new driver rather than modify ums. The last question I asked was, how do I get the kernel to use my driver (assuming I write one) rather than ums? Or is that the wrong approach? -- Gary Dunn, Honolulu osp@aloha.com http://openslate.net/ http://e9erust.blogspot.com/ Sent from Slate001help
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