Start QT program

One 、 Normal configuration qt Environmental Science

1. Copy qt Library to development board

 cp qtarm32.tar /usr/local 
 tar xvf ./qtarm32.tar

2. add to qt environment variable

vi /etc/profile
export QTDIR=/usr/local/qt-5.6-arm
export QT_QPA_PLATFORM_PLUGIN_PATH=$QTDIR/plugins
export QT_QPA_PLATFORM=linuxfb:fb=/dev/fb0
export QT_QPA_FONTDIR=$QTDIR/lib/fonts
export QT_QPA_GENERIC_PLUGINS=evdevtouch:dev/input/event0
export QT_QWS_FONTDIR=$QTDIR/lib/fonts/
#export QT_QPA_EVDEV_MOUSE_PARAMETERS=/dev/input/event?
#export QT_QPA_EVDEV_TOUCHSCREEN_PARAMETERS=/dev/input/event0:inverty
#export QT_QPA_EVDEV_KEYBOARD_PARAMETERS=/dev/input/event?
export set LD_LIBRARY_PATH=$QTDIR:$QTDIR/lib/:$QT_QPA_PLATFORM_PLUGIN_PATH:$QT_QPA_FONTDIR:$LD_LIBRARY_PATH

3. To make a document effective ： Restart or source /etc/profile

 

One 、 Boot up QT Application configuration

 

1. stay rc.local Add startup script at the end of the text

vi /etc/rc.local or /

/SW_player/sw.sh  &

 

 

Script /SW_player/sw.sh Setting environment variables and Applications
 

#!/bin/sh


export QTDIR=/usr/local/qt-5.6-arm
export QT_QPA_PLATFORM_PLUGIN_PATH=$QTDIR/plugins
export QT_QPA_PLATFORM=linuxfb:fb=/dev/fb0
export QT_QPA_FONTDIR=$QTDIR/lib/fonts
export QT_QPA_GENERIC_PLUGINS=evdevtouch:dev/input/event0
export QT_QWS_FONTDIR=$QTDIR/lib/fonts/
#export QT_QPA_EVDEV_MOUSE_PARAMETERS=/dev/input/event
#export QT_QPA_EVDEV_KEYBOARD_PARAMETERS=/dev/input/event
export set LD_LIBRARY_PATH=$QTDIR:$QTDIR/lib/:$QT_QPA_PLATFORM_PLUGIN_PATH:$QT_QPA_FONTDIR:$LD_LIBRARY_PATH

/SW_player/SW_player.run -qws &