Touchscreen problem with Qt5 embedded
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wrote on 17 Jun 2015, 14:39 last edited by
Hello. I have qt5 embedded with linux.
My touchscreen does not working when I run my program wuth linux fb, for example:
./myprog -plugin tslib:/dev/input/event0ps:
- ts_calibrate work fine
- when I run my program with ./myprog -platform eglfs, touchscreen work fine
- my env:
TSLIB_TSDEVICE=/dev/input/event0
USER=root
LD_LIBRARY_PATH=/usr/local/Qt-5.3.2/lib/
TSLIB_TSEVENTTYPE=INPUT
OLDPWD=/usr/local/Qt-5.3.2
HOME=/root
QTDIR=/
TSLIB_FBDEVICE=/dev/fb0
QT_QPA_EVDEV_KEYBOARD_PARAMETERS=/dev/input/event1
TSLIB_PLUGINDIR=/usr/lib/ts
TSLIB_CONSOLEDEVICE=none
LOGNAME=root
TERM=vt102
QT_QPA_EVDEV_TOUCHSCREEN_PARAMETERS=rotate=270
PATH=/sbin:/usr/sbin:/bin:/usr/bin
QT_QPA_GENERIC_PLUGINS=evdevmouse:/dev/input/event0
TSLIB_CONFFILE=/etc/ts.conf
SHELL=/bin/sh
QWS_DISPLAY=powervr
QT_QPA_PLATFORM=linuxfb:fb=/dev/fb0:rotation=0
PWD=/root
QWS_MOUSE_PROTO=tslib
TSLIB_CALIBFILE=/etc/pointercal - Qt 5.3.2 config.status :
configure -verbose -confirm-license -release -no-xcb -no-pch -icu -tslib -qpa eglfs -no-c++11 -no-cups -no-gtkstyle -make libs -opensource -skip qtactiveqt -skip qtandroidextras -skip qtconnectivity -skip qtenginio -skip qtimageformats -skip qtlocation -skip qtmacextras -skip qtsensors -skip qtserialport -skip qttranslations -skip qttools -skip qtwebkit-examples -skip qtwinextras -skip qtx11extras -xplatform linux-omap3-g++ -qpa eglfs -qpa linuxfb -evdev
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wrote on 17 Jun 2015, 15:35 last edited by
Hi. I know this is not the answer you're looking for, but if you have eglfs, why go with linuxfb?
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Hi. I know this is not the answer you're looking for, but if you have eglfs, why go with linuxfb?
wrote on 18 Jun 2015, 07:20 last edited by@Leonardo Hi. I use specific hardware Qt patches, that work only with linuxfb
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wrote on 3 Jun 2016, 14:02 last edited by
hi @Andrei-Pushkin
I think I'm having the same problem as you concerning linuxfb and the rotation of my touchscreen.
Did you find a solution to it ? -
Hello. I have qt5 embedded with linux.
My touchscreen does not working when I run my program wuth linux fb, for example:
./myprog -plugin tslib:/dev/input/event0ps:
- ts_calibrate work fine
- when I run my program with ./myprog -platform eglfs, touchscreen work fine
- my env:
TSLIB_TSDEVICE=/dev/input/event0
USER=root
LD_LIBRARY_PATH=/usr/local/Qt-5.3.2/lib/
TSLIB_TSEVENTTYPE=INPUT
OLDPWD=/usr/local/Qt-5.3.2
HOME=/root
QTDIR=/
TSLIB_FBDEVICE=/dev/fb0
QT_QPA_EVDEV_KEYBOARD_PARAMETERS=/dev/input/event1
TSLIB_PLUGINDIR=/usr/lib/ts
TSLIB_CONSOLEDEVICE=none
LOGNAME=root
TERM=vt102
QT_QPA_EVDEV_TOUCHSCREEN_PARAMETERS=rotate=270
PATH=/sbin:/usr/sbin:/bin:/usr/bin
QT_QPA_GENERIC_PLUGINS=evdevmouse:/dev/input/event0
TSLIB_CONFFILE=/etc/ts.conf
SHELL=/bin/sh
QWS_DISPLAY=powervr
QT_QPA_PLATFORM=linuxfb:fb=/dev/fb0:rotation=0
PWD=/root
QWS_MOUSE_PROTO=tslib
TSLIB_CALIBFILE=/etc/pointercal - Qt 5.3.2 config.status :
configure -verbose -confirm-license -release -no-xcb -no-pch -icu -tslib -qpa eglfs -no-c++11 -no-cups -no-gtkstyle -make libs -opensource -skip qtactiveqt -skip qtandroidextras -skip qtconnectivity -skip qtenginio -skip qtimageformats -skip qtlocation -skip qtmacextras -skip qtsensors -skip qtserialport -skip qttranslations -skip qttools -skip qtwebkit-examples -skip qtwinextras -skip qtx11extras -xplatform linux-omap3-g++ -qpa eglfs -qpa linuxfb -evdev
wrote on 3 Jun 2016, 14:52 last edited by@Andrei-Pushkin I had a problem to load touchscreen on my Qt 4.8. I solved it, loading the program with: WS_MOUSE_PROTO=linuxinput:$TSLIB_TSDEVICE $MY_APP &
Using "WS_MOUSE_PROTO=tslib" does not work for me
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wrote on 8 Sept 2016, 18:10 last edited by mkrr 9 Aug 2016, 18:11
@Andrei-Pushkin I'm with the same problem. But, My touch is not working in tslib (ts_calibrate or ts_test). If I run the evtest, it works perfectly. Did you use some adicional package in your yocto conf (local.conf) file ?