Date: Thu, 8 Mar 2018 21:08:49 +0100 From: Bernd Walter <ticso@cicely7.cicely.de> To: Greg <greg@unrelenting.technology>, Roberto Fernandez Cueto <r.fernandez-cueto@bally-wulff.de> Cc: Hans Petter Selasky <hps@selasky.org>, ticso@cicely.de, freebsd-arm@freebsd.org, freebsd-current@freebsd.org, Bernd Walter <ticso@cicely7.cicely.de> Subject: Re: webcamd based touchscreen problem on Pi3 Message-ID: <20180308200849.GC86413@cicely7.cicely.de> In-Reply-To: <20180308191131.GB86413@cicely7.cicely.de> References: <20180308161645.GF80981@cicely7.cicely.de> <20180308163605.GA61875@BWEPCFERNANDEZ> <20180308161645.GF80981@cicely7.cicely.de> <818e1917-0472-c0dd-a9d6-b7532faf4d4b@selasky.org> <20180308163026.z3ptrc7376smnsrt@unrelenting.technology> <20180308191131.GB86413@cicely7.cicely.de>
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On Thu, Mar 08, 2018 at 08:11:31PM +0100, Bernd Walter wrote: > This is what I have right now: > [20]sa# cat /etc/X11/xorg.conf > > Section "InputDevice" > Identifier "Touchscreen" > Driver "evdev" > Option "Device" "/dev/input/event0" > EndSection > > Section "ServerLayout" > Identifier "MyLayout" > InputDevice "Touchscreen" > EndSection > > > Unfortunately now I face the next problem. > > [112753.535] (II) Using input driver 'evdev' for 'evdev touchscreen' > [112753.536] (**) evdev touchscreen: always reports core events > [112753.536] (**) evdev: evdev touchscreen: Device: "/dev/input/event0" > [112753.598] (--) evdev: evdev touchscreen: Vendor 0xeef Product 0x5 > [112753.598] (--) evdev: evdev touchscreen: Found absolute axes > [112753.598] (--) evdev: evdev touchscreen: Found absolute multitouch axes > [112753.598] (II) evdev: evdev touchscreen: No buttons found, faking one. > [112753.598] (--) evdev: evdev touchscreen: Found x and y absolute axes > [112753.598] (--) evdev: evdev touchscreen: Found absolute touchscreen > [112753.598] (II) evdev: evdev touchscreen: Configuring as touchscreen > [112753.598] (**) evdev: evdev touchscreen: YAxisMapping: buttons 4 and 5 > [112753.598] (**) evdev: evdev touchscreen: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200 > [112753.598] (II) XINPUT: Adding extended input device "evdev touchscreen" (type: TOUCHSCREEN, id 6) > [112753.599] (II) evdev: evdev touchscreen: initialized for absolute axes. > [112753.600] (**) evdev touchscreen: (accel) keeping acceleration scheme 1 > [112753.600] (**) evdev touchscreen: (accel) acceleration profile 0 > [112753.600] (**) evdev touchscreen: (accel) acceleration factor: 2.000 > [112753.600] (**) evdev touchscreen: (accel) acceleration threshold: 4 > [112753.601] (WW) fcntl(6, F_SETOWN): Invalid argument > > [26]sa-moeller> xinput > Virtual core pointer id=2 [master pointer (3)] > Virtual core XTEST pointer id=4 [slave pointer (2)] > Touchscreen id=6 [slave pointer (2)] > sysmouse id=8 [slave pointer (2)] > Virtual core keyboard id=3 [master keyboard (2)] > Virtual core XTEST keyboard id=5 [slave keyboard (3)] > kbdmux id=7 [slave keyboard (3)] > > Everything looks good so far, at least in my eyes. > Well - wheel emulation and such sounds a bit strange, as if it is handled > as a touchpad and not like a touchscreen. > But it says type touchscreen, so I assume that's ok. > However, I get no touch events. > I've started xev fullscreen and still nothing. > > Somewhere else I've read that /dev/input/event0 should deliver something > if read and a touch happens, but this is not the case for me. > > Any ideas how I can debug this thing? > There was a reference somewhere about a commandline programm to run against > an evdev, but I can't find it anymore. xinput test delivers nothing on the touchscreen. Neither evtest nor evdev-dump compiles because they are both missing linux include files at some point. https://cgit.freedesktop.org/~whot/evtest/ [48]sa> make make all-am cc -DHAVE_CONFIG_H -I. -g -O2 -MT evtest.o -MD -MP -MF .deps/evtest.Tpo -c -o evtest.o evtest.c evtest.c:46:10: fatal error: 'linux/version.h' file not found #include <linux/version.h> ^~~~~~~~~~~~~~~~~ 1 error generated. *** Error code 1 Stop. make[1]: stopped in /home/ticso/evtest *** Error code 1 Stop. make: stopped in /home/ticso/evtest Exit 1 https://github.com/gonzoua/evdev-dump/tree/freebsd ... checking for unistd.h... yes checking linux/input.h usability... no checking linux/input.h presence... no checking for linux/input.h... no checking for /usr/include/linux/input.h... no configure: error: /usr/include/linux/input.h not found 4.765u 3.954s 0:08.64 100.8% 31397+2201k 0+27io 0pf+0w Exit 1 The touchscreen itself should be functional as it has a touch area outside the display, which is interpreted by the USB controller to change the backlight. The exact same display also worked fine on Raspbian. -- B.Walter <bernd@bwct.de> http://www.bwct.de Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.
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