Touchscreen support (was Re: new computer, strange usb messages at boot)

[Larry Rosenman]

On 2016-02-22 10:51, Hans Petter Selasky wrote:
> On 02/22/16 17:39, Anthony Jenkins wrote:
>> 
>> 
>> On 02/22/2016 02:11 AM, Hans Petter Selasky wrote:
>>> On 02/22/16 03:16, Anthony Jenkins wrote:
>>>> Yes.  I have an eGalax touchscreen and it's doing the same thing. 
>>>> The
>>>> number of items it's reporting is 256 (according to my preliminary
>>>> debugging), causing the warning.  I think these things are a special
>>>> subclass of HID for multitouch touchscreens which we don't support
>>>> (yet).
>>> 
>>> /usr/ports/multimedia/webcamd will most likely attach if invoked
>>> manually, to this device and provide an event device for you!
>>> 
>>> --HPS
>> 
>> Okay that's /amazing/, and not at all intuitive!  I mean I'd expect
>> multimedia/webcamd to only attach to "video" devices, but lo and 
>> behold
>> I get a /dev/input/event0 device which spits out gibberish when
>> cat(1)'ed and I touch the screen!
>> 
>> My intentions were to port Linux's hid-multitouch device in whole to
>> FreeBSD (it's what attaches to my eGalax device and probably to OP's
>> touchscreen device) and add support for the device to moused(8), but
>> it's not very high on my priority list...
>> 
> 
> Hi,
> 
> If you apply these patches, will work with your X-org :-)
> 
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=196678
> 
> --HPS
Didn't seem to attach to mine, running from /etc/rc.d / devd
$ ls
acpi		ctty		led		psm0		ttyv8
ada0		cuse		log		pts		ttyv9
ada0p1		devctl		mdctl		random		ttyva
ada0p2		devctl2		mem		reroot		ttyvb
ada0p3		devstat		midistat	ses0		ufssuspend
ada1		dumpdev		mixer0		sndstat		ugen0.1
ada1p1		fd		mixer1		stderr		ugen0.2
ada1p2		fido		mixer2		stdin		ugen0.3
apm		full		msdosfs		stdout		uhid0
apmctl		geom.ctl	netmap		sysmouse	uhid1
atkbd0		gpt		nfslock		ttyv0		urandom
audit		hpet0		null		ttyv1		usb
auditpipe	io		nvidia0		ttyv2		usbctl
bpf		kbd0		nvidiactl	ttyv3		video0
bpf0		kbd1		pass0		ttyv4		xpt0
bpsm0		kbdmux0		pass1		ttyv5		zero
console		klog		pass2		ttyv6		zfs
consolectl	kmem		pci		ttyv7
$ ls /dev/in*
ls: /dev/in*: No such file or directory
$

-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-642-9640                 E-Mail: ler at lerctr.org
US Mail: 7011 W Parmer Ln, Apt 1115, Austin, TX 78729-6961