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

From: Sergey V. Dyatko <sergey.dyatko_at_gmail.com>
Date: Tue, 1 Mar 2016 20:08:10 +0300
On Tue, 1 Mar 2016 10:03:35 -0500
Anthony Jenkins <Scoobi_doo_at_yahoo.com> wrote: 

> On 03/01/2016 09:34 AM, Sergey V. Dyatko wrote:
> > On Tue, 1 Mar 2016 08:51:13 -0500
> > Anthony Jenkins <Scoobi_doo_at_yahoo.com> wrote: 
> >  
> >> On 03/01/2016 12:30 AM, Sergey V. Dyatko wrote:  
> >>> On Mon, 22 Feb 2016 17:51:00 +0100
> >>> Hans Petter Selasky <hps_at_selasky.org> 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
> >>>>    
> >>> wow...
> >>> Thanks for your work :) 
> >>>
> >>> Yesterday I update -CURRENT on my lenovo z400 touch ( r296180),  after
> >>> suspend-resume I spotted that is my usb mouse didn't work (touchpad works
> >>> as before)
> >>> I had the feeling that I read something about hid_get_item: Number of
> >>> items(256) truncated to 255 on ML, so I'm here. 
> >>>
> >>> What I do: 
> >>> laptop# webcamd -l
> >>> Available device(s):
> >>> ....
> >>> webcamd [-d ugen0.2] -N Synaptics-Large-Touch-Screen-SYNAPTICS -S unknown
> >>> -M 0 ...
> >>> Show webcamd usage:
> >>> webcamd -h
> >>> laptop# webcamd  -N Synaptics-Large-Touch-Screen-SYNAPTICS -S unknown -M 0
> >>> Attached to ugen0.2[0]
> >>> Creating /dev/input/event0
> >>>
> >>> after that I reconnect my mouse and 'it works' (c) 
> >>> How I can do this   automatically right?    
> >> I got my touchscreen working with the multimedia/webcamd and
> >> x11-drivers/xf86-input-evdev ports and an entry in
> >> /usr/local/etc/devd/webcamd.conf for my eGalax USB touchscreen device. 
> >> In webcamd.conf, you can copy the section
> >>
> >> # Generic USB input devices.
> >> notify 100 {
> >>         match "system"          "USB";
> >>         match "subsystem"       "INTERFACE";
> >>         match "type"            "ATTACH";
> >>         match "intclass"        "0x03";
> >> #
> >> # Limit HID device attach to Wacom Devices
> >> # else webcamd might attach to your keyboard
> >> # and mouse
> >> #
> >>         match "vendor"          "0x056a";
> >>         action "/usr/local/etc/rc.d/webcamd start $cdev $interface";
> >> };
> >>
> >> to a new section, changing the 'match "vendor" line to match the USB
> >> VendorID of your input device and possibly adding a 'match "product" line:
> >>
> >> $ sudo usbconfig -d ugen1.2 dump_device_desc | grep 'id\(Vendor\|Product\)'
> >>   idVendor = 0x0eef
> >>   idProduct = 0xa119
> >>
> >> # My eGalax Touchscreen device.
> >> notify 100 {
> >>         match "system"          "USB";
> >>         match "subsystem"       "INTERFACE";
> >>         match "type"            "ATTACH";
> >>         match "intclass"        "0x03";
> >>         match "vendor"          "0x0eef";
> >>         match "product"          "0xa119";
> >>         action "/usr/local/etc/rc.d/webcamd start $cdev $interface";
> >> };
> >>
> >> replacing "ugen1.2" above with your "ugen0.2" as well as the vendor and
> >> product values.
> >>  
> > Thanks, I'll try this.
> > few hours ago I:
> > 1) install x11-drivers/xf86-input-evdev
> > 2) place following to rc.conf.d/webcamd:
> >  
> > [tiger_at_laptop]:~>cat /etc/rc.conf.d/webcamd   
> > webcamd_0_flags="-N Lenovo-EasyCamera-Generic -S 200901010001"
> > webcamd_1_flags="-N Synaptics-Large-Touch-Screen-SYNAPTICS -S unknown"  
> I didn't modify any of webcamd's flags in the rc.conf* files.  You will
> also have to restart devd(8) ('/etc/rc.d/devd restart') to pick up the
> change to /usr/local/etc/devd/webcamd.conf.
> 
> Do you see an instance of webcamd(8) running for your touchscreen?  Is
> there a /dev/input/event* device node?
> 
laptop# ps axuw |grep webca
root       14534   0,0  0,1   35664   6140  -  Is   19:43
0:00,51 /usr/local/sbin/webcamd -N Lenovo-EasyCamera-Generic -S 200 root
14543   0,0  0,1   27344   5832  -  Is   19:43
0:00,50 /usr/local/sbin/webcamd -N Synaptics-Large-Touch-Screen-SYN

laptop# env LC_ALL=C ls -l /dev/input/event*
crw-rw----  1 webcamd  webcamd  0x71 Mar  1 19:43 /dev/input/event0

> I'm running my own spin of xorg-server/config/devd.c, different from the
> proposed patch to x11-servers/xorg-server, but that really shouldn't be
> the reason for your difficulty.
> 

Well.. Seems I missed this step, I have un-patched xorg-server   ;(

> > webcamd_enable="YES"
> > 3) restart xorg but still no luck, possible I need change something on
> > xorg.conf? 
> >  
> > [tiger_at_laptop]:~>grep -i input /var/log/Xorg.0.log  
> > [ 60690.944] (**) |-->Input Device "Mouse0"
> > [ 60690.944] (**) |-->Input Device "Keyboard0"
> > [ 60690.945]    X.Org XInput driver : 21.0
> > [ 60690.979] (II) intel(0): Digital Display Input
> > [ 60691.175] (II) config/hal: Adding input device usbhid
> > [ 60691.175] (EE) No input driver matching `wacom'
> > [ 60691.175] (EE) config/hal: NewInputDeviceRequest failed (15)
> > [ 60691.179] (II) config/hal: Adding input device USB Optical Mouse
> > [ 60691.180] (II) Loading /usr/local/lib/xorg/modules/input/mouse_drv.so
> > [ 60691.180]    Module class: X.Org XInput Driver
> > [ 60691.180]    ABI class: X.Org XInput driver, version 21.0
> > [ 60691.180] (II) Using input driver 'mouse' for 'USB Optical Mouse'
> > [ 60691.180] (II) XINPUT: Adding extended input device "USB Optical
> > Mouse" (type: MOUSE, id 6) [ 60691.183] (II) config/hal: Adding input
> > device AT Keyboard [ 60691.184] (II)
> > Loading /usr/local/lib/xorg/modules/input/kbd_drv.so [ 60691.184]    Module
> > class: X.Org XInput Driver [ 60691.184]    ABI class: X.Org XInput driver,
> > version 21.0 [ 60691.184] (II) Using input driver 'kbd' for 'AT Keyboard'
> > [ 60691.184] (II) XINPUT: Adding extended input device "AT Keyboard" (type:
> > KEYBOARD, id 7) [ 60691.196] (II) config/hal: Adding input device PS/2 Mouse
> > [ 60691.196] (II) Using input driver 'mouse' for 'PS/2 Mouse'
> > [ 60691.270] (II) XINPUT: Adding extended input device "PS/2 Mouse" (type:
> > MOUSE, id 8)
> >  
> 



--
wbr, tiger
Received on Tue Mar 01 2016 - 16:11:13 UTC

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