On Wed, Apr 30, 2014 at 05:11:39PM +0200, tomw wrote: > Hi, > > I'm currently trying to integrate an ELO optical touchscreen (ET4201L) > on top of just the X server infrastructure. As I was still getting the > mouse pointer which I should not see if the touchscreen is correctly > recognized I was digging a bit deeper to find out why. Basically I ran > into two scenarios - depending whether I'm using either evdev or > multitouch for the device:
why are you trying to use the multitouch driver? IIRC it's a touchpad-only driver and will treat anything as touchpad. And evdev handles multitouch out-of-the-box now anyway. Cheers, Peter > > === evdev case === > > /usr/share/X11/xorg.conf.d/10-evdev.conf > > Section "InputClass" > Identifier "evdev keyboard catchall" > MatchIsKeyboard "on" > MatchDevicePath "/dev/input/event*" > Driver "evdev" > EndSection > > Section "InputClass" > Identifier "Touchscreen" > MatchProduct "Elo TouchSystems" > MatchIsTouchscreen "on" > MatchDevicePath "/dev/input/event*" > Driver "evdev" > EndSection > > > > which makes the screen recognized as TOUCHSCREEN with device id 10: > > [ 23.446] (II) Using input driver 'evdev' for 'Elo TouchSystems > Optical Touchscreen 02.04.22.02.' > [ 23.446] (**) Elo TouchSystems Optical Touchscreen 02.04.22.02.: > always reports core events > [ 23.446] (**) evdev: Elo TouchSystems Optical Touchscreen > 02.04.22.02.: Device: "/dev/input/event3" > [ 23.446] (II) evdev: Elo TouchSystems Optical Touchscreen > 02.04.22.02.: Using mtdev for this device > [ 23.446] (--) evdev: Elo TouchSystems Optical Touchscreen > 02.04.22.02.: Vendor 0x4e7 Product 0x80 > [ 23.446] (--) evdev: Elo TouchSystems Optical Touchscreen > 02.04.22.02.: Found absolute axes > [ 23.446] (--) evdev: Elo TouchSystems Optical Touchscreen > 02.04.22.02.: Found absolute multitouch axes > [ 23.446] (II) evdev: Elo TouchSystems Optical Touchscreen > 02.04.22.02.: No buttons found, faking one. > [ 23.446] (--) evdev: Elo TouchSystems Optical Touchscreen > 02.04.22.02.: Found x and y absolute axes > [ 23.446] (--) evdev: Elo TouchSystems Optical Touchscreen > 02.04.22.02.: Found absolute touchscreen > [ 23.446] (**) Option "SwapAxes" "0" > [ 23.446] (II) evdev: Elo TouchSystems Optical Touchscreen > 02.04.22.02.: Configuring as touchscreen > [ 23.446] (**) evdev: Elo TouchSystems Optical Touchscreen > 02.04.22.02.: YAxisMapping: buttons 4 and 5 > [ 23.447] (**) evdev: Elo TouchSystems Optical Touchscreen > 02.04.22.02.: EmulateWheelButton: 4, EmulateWheelInertia: 10, > EmulateWheelTimeout: 200 > [ 23.447] (**) Option "config_info" > "udev:/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1/2-1.1.2/2-1.1.2:1.3/input/input4/event3" > [ 23.447] (II) XINPUT: Adding extended input device "Elo TouchSystems > Optical Touchscreen 02.04.22.02." (type: TOUCHSCREEN, id 10) > [ 23.447] (II) evdev: Elo TouchSystems Optical Touchscreen > 02.04.22.02.: initialized for absolute axes. > [ 23.447] (**) Elo TouchSystems Optical Touchscreen 02.04.22.02.: > (accel) keeping acceleration scheme 1 > [ 23.447] (**) Elo TouchSystems Optical Touchscreen 02.04.22.02.: > (accel) acceleration profile 0 > [ 23.447] (**) Elo TouchSystems Optical Touchscreen 02.04.22.02.: > (accel) acceleration factor: 2.000 > [ 23.447] (**) Elo TouchSystems Optical Touchscreen 02.04.22.02.: > (accel) acceleration threshold: 4 > > === multitouch case, jsut changing the driver to multitouch === > > Section "InputClass" > Identifier "evdev keyboard catchall" > MatchIsKeyboard "on" > MatchDevicePath "/dev/input/event*" > Driver "evdev" > EndSection > > Section "InputClass" > Identifier "Touchscreen" > MatchProduct "Elo TouchSystems" > MatchIsTouchscreen "on" > MatchDevicePath "/dev/input/event*" > Driver "multitouch" > EndSection > > > which makes the screen recognized as TOUCHPAD with device id 10: > > [ 22.925] (**) Elo TouchSystems Optical Touchscreen 02.04.22.02.: > Applying InputClass "Touchscreen" > [ 22.925] (II) LoadModule: "multitouch" > [ 22.925] (II) Loading /usr/lib/xorg/modules/input/multitouch_drv.so > [ 22.946] (II) Module multitouch: vendor="X.Org Foundation" > [ 22.946] compiled for 1.15.0, module version = 0.1.0 > [ 22.946] Module class: X.Org XInput Driver > [ 22.946] ABI class: X.Org XInput driver, version 20.0 > [ 22.946] (II) Using input driver 'multitouch' for 'Elo TouchSystems > Optical Touchscreen 02.04.22.02.' > [ 22.946] (**) Elo TouchSystems Optical Touchscreen 02.04.22.02.: > always reports core events > [ 22.946] (**) Option "config_info" > "udev:/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1/2-1.1.2/2-1.1.2:1.3/input/input16/event11" > [ 22.946] (II) XINPUT: Adding extended input device "Elo TouchSystems > Optical Touchscreen 02.04.22.02." (type: TOUCHPAD, id 10) > [ 22.946] (II) device control: init > [ 22.946] (**) Option "Device" "/dev/input/event11" > [ 22.946] (II) multitouch: devname: Elo TouchSystems Optical Touchsc > [ 22.946] (II) multitouch: devid: 4e7 80 111 > [ 22.946] (II) multitouch: caps: mtdata > [ 22.946] (II) multitouch: 5: min: 0 max: 32767 > [ 22.946] (II) multitouch: 6: min: 0 max: 32767 > [ 22.946] (II) multitouch: 9: min: 0 max: 65535 > [ 23.293] (II) pointer_control > [ 23.293] (**) Elo TouchSystems Optical Touchscreen 02.04.22.02.: > (accel) keeping acceleration scheme 1 > [ 23.293] (II) pointer_property > [ 23.293] (II) pointer_property > [ 23.293] (**) Elo TouchSystems Optical Touchscreen 02.04.22.02.: > (accel) acceleration profile 0 > [ 23.293] (II) pointer_property > [ 23.293] (II) pointer_property > [ 23.293] (**) Elo TouchSystems Optical Touchscreen 02.04.22.02.: > (accel) acceleration factor: 2.000 > [ 23.293] (**) Elo TouchSystems Optical Touchscreen 02.04.22.02.: > (accel) acceleration threshold: 4 > [ 23.293] (II) device control: on > [ 23.293] (II) pointer_property > [ 23.293] (II) pointer_property > > > In booth cases I still do get the mouse pointer, in the multitouch case > the screen really behaves like a touchpad with relative pointer > movements etc. > > To avoid any interference with mouse devices I have removed all the > respective device classes from the configuration files. > > Any idea where this behaviour may come from? How to make the touchscreen > really behave like a touchscreen and not like a mouse or how to further > isolate the issue? > > thanks, > > --tomw > _______________________________________________ [email protected]: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.x.org/mailman/listinfo/xorg Your subscription address: %(user_address)s
