topic Re: Qt interface in the arm board display problems?? in i.MX Processors

Qt interface in the arm board display problems??

deanji — Wed, 07 Dec 2016 11:01:27 GMT

Dear all:

My question now is in the virtual machine cross compiler good executable program in the development board running interface will be displayed, but outside the interface area all become green, move the mouse or touch the screen just like brush brush like, a A piece of leakage terminal out, but i do not terminate the process, the other I use tslib-install / bin / ts_calibrate calibration screen can only see the top left corner of a cross cursor, other cursors can not see, but I continue to click on the screen can be completed Screen calibration function, feeling the ifterface hidden automatically !

Did anyone have encountered my problem??

ps:my board type (imx6q sabresd)

Re: Qt interface in the arm board display problems??

deanji — Wed, 07 Dec 2016 11:08:15 GMT

my qt version is 4.8.5

my arm Environment settings is

export TSLIB_ROOT=/home/linaro/qtdemo/tslib-install
export TSLIB_TSDEVICE=/dev/input/event4
export TSLIB_CALIBFILE=/etc/pointercal
export TSLIB_CONFFILE=$TSLIB_ROOT/etc/ts.conf
export TSLIB_PLUGINDIR=$TSLIB_ROOT/lib/ts
export TSLIB_FBDEVICE=/dev/fb0
export TSLIB_CONSOLEDEVICE=none
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$TSLIB_ROOT/lib
export QTDIR=/home/linaro/qtdemo/qt4.8.5-arm
export LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH
export PATH=$QTDIR/bin:$PATH
export QWS_MOUSE_PROTO=tslib:/dev/input/event1
export QWS_DISPLAY=linuxfb
export QT_QWS_FONTDIR=$QTDIR/lib/fonts
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$QTDIR/lib

Re: Qt interface in the arm board display problems??

deanji — Thu, 08 Dec 2016 05:40:33 GMT

I tried to run in the pure command line, does not seem to have this problem, because the mouse and touch screen so that they can not verify the problem

Re: Qt interface in the arm board display problems??

igorpadykov — Thu, 08 Dec 2016 07:06:23 GMT

Hi dean

please check below links which could help

[solved] Touchscreen calibration issue on Qt 4.8.4 on ARM | Qt Forum

Building QT for i.MX6

Best regards
igor
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Re: Qt interface in the arm board display problems??

deanji — Fri, 09 Dec 2016 11:18:35 GMT

thankyou for your reply!

I have read the link content，but it didn't work！

and Some URLs can not be accessed！