“Terminate Server”; . setqt4env; ./helloQT4 -qws；

最新推荐文章于 2021-05-12 17:26:21 发布

Hustudent20080101

最新推荐文章于 2021-05-12 17:26:21 发布

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分类专栏： Arm嵌入式 QT

本文链接：https://blog.youkuaiyun.com/autumn20080101/article/details/8207257

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本文记录了在FriendlyARM设备上运行Qt4程序遇到的问题及解决办法。主要问题包括程序启动失败、触摸屏无响应等，并提供了通过设置环境变量来解决问题的具体步骤。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

[root@FriendlyARM /sdcard]# ./helloQT4

QWSDisplay::Data::init: Invalid argument

Client can't attach to main ram memory.

Aborted

{退出Qtopia2.2.0 或者Qt4程序等一切Qt程序，退出Qtopia2.2.0的方法是：在Qtopia2.2.0中点“设置”中的“关机”可出现如下界面，点“Terminate Server”即可关闭Qtopia-2.2.0系统。}

[root@FriendlyARM /sdcard]# ./helloQT4

QWSSocket::connectToLocalFile could not connect:: No such file or directory

QWSSocket::connectToLocalFile could not connect:: No such file or directory

QWSSocket::connectToLocalFile could not connect:: No such file or directory

QWSSocket::connectToLocalFile could not connect:: No such file or directory

QWSSocket::connectToLocalFile could not connect:: No such file or directory

QWSSocket::connectToLocalFile could not connect:: No such file or directory

No Qt for Embedded Linux server appears to be running.

If you want to run this program as a server,

add the "-qws" command-line option.

[root@FriendlyARM /sdcard]#

[root@FriendlyARM /sdcard]#

[root@FriendlyARM /sdcard]# ./helloQT4 -qws

{可以显示界面，但是触摸屏没有反应}

[root@FriendlyARM /sdcard]# ls

BOOTEX.LOG LOST.DIR helloQT4 setqt4env

Bak dream_true.mp3 images your.mp3

DCIM hello qt4.7.tgz ????

[root@FriendlyARM /sdcard]#

[root@FriendlyARM /sdcard]# . setqt4env

[root@FriendlyARM /sdcard]#

[root@FriendlyARM /sdcard]# ./helloQT4 -qws

{执行完. setqt4env后，再运行./helloQT4 -qws，触摸屏才有反应}

{

#!/bin/sh
if [ -e /etc/friendlyarm-ts-input.conf ] ; then
. /etc/friendlyarm-ts-input.conf
fi
true ${TSLIB_TSDEVICE:=/dev/touchscreen}
TSLIB_CONFFILE=/etc/ts.conf
export TSLIB_TSDEVICE
export TSLIB_CONFFILE
export TSLIB_PLUGINDIR=/usr/lib/ts
export TSLIB_CALIBFILE=/etc/pointercal
export QWS_DISPLAY=:1
export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
export PATH=/bin:/sbin:/usr/bin/:/usr/sbin:/usr/local/bin
if [ -c /dev/touchscreen ]; then
export QWS_MOUSE_PROTO="Tslib MouseMan:/dev/input/mice"
if [ ! -s /etc/pointercal ] ; then
rm /etc/pointercal
/usr/bin/ts_calibrate
fi
else
export QWS_MOUSE_PROTO="MouseMan:/dev/input/mice"
fi
export QWS_KEYBOARD=TTY:/dev/tty1
export HOME=/root

}