http://blog.csdn.net/Leixin525/archive/2010/12/29/6105703.aspx
目的:移植 Qtopia4.2.5 到 devkit8000 ,并调试按键功能
平台: fedroa13 + arm-2008q1
下载资源: qtopia4 可以在 http://ftp.roedu.net/mirrors/ftp.trolltech.com/qtopia/snapshots/ 下载到,我用的是 qtopia-opensource-src-4.2.5-snapshot-20070915
(1) 编译 qtopia
Tar zxvf qtopia-opensource-src-4.2.5-snapshot-20070915
Mv qtopia-opensource-src-4.2.5-snapshot-20070915 qtopia-opensource-src-4.2.5
Cd qtopia-opensource-src-4.2.5( 因为我的编译器不是 arm-none-linux-gnueabi 的,所以我在编译的时候要修改编译器 )
修改编译器在这些文件中,我是自己 find 出来的,可能不完全正确,但是我编译运行时没有问题的,如果需要自己修改编译器可以自己查找一下
find ./ -name "*" | xargs grep 'arm-linux-', 然后分析哪些文件需要修改,一般是 qtopia,qtopiacore, 和一些 tools 。我需要修改的文件是
./qtopia-opensource-src-4.2.5/devices/greenphone/mkspecs/qws/linux-greenphone-g++/qmake.conf ( qtopia 的配置文件)
./qtopia-opensource-src-4.2.5/devices/greenphone/rootfs/wpa_supplicant/config
./qtopia-opensource-src-4.2.5/devices/greenphone/rootfs/ilib/cross-compile.patch
./qtopia-opensource-src-4.2.5/src/3rdparty/libraries/helix/trolltech/src/build/umakecf/linux-2.2-libc6-armv5te-cross-gcc3.3-iwmmxt-vfp.cf
./qtopia-opensource-src-4.2.5/src/3rdparty/libraries/helix/trolltech/src/build/umakecf/linux-2.2-libc6-arm9-cross-gcc4.cf
./qtopia-opensource-src-4.2.5-snapshot-20070908/src/3rdparty/libraries/helix/trolltech/src/build/umakecf/linux-2.2-libc6-xscale-cross-gcc32.cf
./qtopia-opensource-src-4.2.5-snapshot-20070908/qtopiacore/qt/mkspecs/qws/linux-arm-g++/qmake.conf ( qtopiacore 的配置)
将里面的 arm-linux- 全部换成我自己编译器 arm-none-linux-gnueabi-
qtopia4 不能直接在目录中进行 config ,我们需要新建一个目录来进行 config
mkdir ../build
cd ../build
../qtopia-opensource-src-4.2.5/configure -debug -image /opt/qtopia4 -prefix /opt/qtopia4 -xplatform linux-arm-g++ -arch arm -no-qvfb -displaysize 640x480 -no-modem -quicklaunch -no-bluetooth -no-drm -no-infrared -extra-qtopiacore-config "-qt-zlib -qt-gif -qt-libpng -qt-libmng -qt-libjpeg" -extra-qtopiacore-config "-debug -xplatform qws/linux-arm-g++ -embedded arm -opengl -qconfig qpe -qt-sql-sqlite -depths 4,8,16,32 -qt-kbd-vr41xx -qt-mouse-linuxtp -no-mouse-pc -no-mouse-bus -no-mouse-yopy -no-mouse-tslib -no-mouse-qvfb"
配置选项可以根据自己的需要进行裁剪
出现问题:
(1) The system byte order could not be detected!
Turn on verbose messaging (-v) to see the final report.You can use the -little-endian or -big-endian switch to
解决办法:这个是配置大段或者小端模式,自己在配置选项中加上后还是一样的效果,所以干脆在配置文件中添加
Vi vi qtopiacore/qt/configure
CFG_ENDIAN=Q_LITTLE_ENDIAN (默认是 auto 。也可以改为 Q_BIG_ENDIAN( 大端模式 ) )
(2) 出现 linux-cunstom-arm-g++.h file not found 的错误,这个错误在编译 qtopia2.2 的时候也出现过
解决办法: cp src/libraries/qtopiabase/custom-linux-cassiopeia-g++.cpp src/libraries/qtopiabase/custom-linux-arm-g++.cpp
cp src/libraries/qtopiabase/custom-linux-cassiopeia-g++.h src/libraries/qtopiabase/custom-linux-arm-g++.h
配置 Qtopia ok
编译: make && make install
编译的时候出现一个错误, asm/page.h not found , 其实在 qtopia4.2.5 中没有用到这个头文件,我们只需要注释掉就可以了
继续 make && make install 完成,编译完后再 /opt/Qtopia 生成了我们的目标文件
修改按键功能(仅供参考):
经常我们的按键是自己设计的 GPIO 按键,因此是没有办法直接工作的,我们需要修改 qtopia 按键操作源码。
Qtopia4 按键操作源码在 qtopiacore/qt/src/gui/embedded/ 提供,提供各种鼠标按键操作。
我在配置的时候设置按键为 -qt-kbd-vr41xx ,因此对 qkbdvr41xx_qws.cpp 进行修改,主要是参照键盘测试程序进行修改
一般需要修改的地方是设备打开,读取哪些操作,直接上代码:
原理:我们用自己的设备操作的方法代理 qtopia 默认的设备操作就,这样 qtopia 启动都就可以识别操作我们自定义的设备了!
#include "qkbdvr41xx_qws.h"
#if !defined(QT_NO_QWS_KEYBOARD) && !defined(QT_NO_QWS_KBD_VR41XX)
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <termios.h>
#include <unistd.h>
#include <errno.h>
#include <linux/input.h> //struct input_event 需要用到 linux/input.h 中的 input_evet 结构体
#include <qsocketnotifier.h>
#define BITS_PER_LONG (sizeof(long) * 8) // 自己驱动操作需要用到的宏
#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
#ifndef EV_SYN
#define EV_SYN 0
#endif
class QWSVr41xxKbPrivate : public QObject
{
Q_OBJECT
public:
QWSVr41xxKbPrivate(QWSVr41xxKeyboardHandler *h, const QString&);
virtual ~QWSVr41xxKbPrivate();
bool isOpen() { return buttonFD > 0; }
private slots:
void readKeyboardData();
private:
QString terminalName;
int buttonFD;
int kbdIdx;
int kbdBufferLen;
int version;
unsigned char *kbdBuffer;
QSocketNotifier *notifier;
QWSVr41xxKeyboardHandler *handler;
struct input_event ev[64];
};
QWSVr41xxKeyboardHandler::QWSVr41xxKeyboardHandler(const QString &device)
{
d = new QWSVr41xxKbPrivate(this, device);
}
QWSVr41xxKeyboardHandler::~QWSVr41xxKeyboardHandler()
{
delete d;
}
QWSVr41xxKbPrivate::QWSVr41xxKbPrivate(QWSVr41xxKeyboardHandler *h, const QString &device) : handler(h)
{
terminalName = device;
if (terminalName.isEmpty())
terminalName = "/dev/event0"; // 修改指向自己的驱动设备文件
buttonFD = -1;
notifier = 0;
unsigned long bit[EV_MAX][NBITS(KEY_MAX)];
unsigned short id[4];
char name[256]="Unknown";
buttonFD = open(terminalName.toLatin1().constData(), O_RDWR | O_NDELAY, 0);
if (buttonFD < 0) {
qWarning("Cannot open %s/n", qPrintable(terminalName));
return;
}
if(ioctl(buttonFD,EVIOCGVERSION,&version)){ // 驱动的版本
qWarning("Cannot get version");
}
qDebug("Input driver version is %d.%d.%d/n",
version >> 16, (version >> 8) & 0xff, version & 0xff);
//input device ID :
ioctl(buttonFD,EVIOCGID,id); //ID
qDebug("Input device ID: bus 0x%x vendor 0x%x product 0x%x version 0x%x/n",
id[ID_BUS], id[ID_VENDOR], id[ID_PRODUCT], id[ID_VERSION]);
ioctl(buttonFD,EVIOCGNAME(sizeof(name)),name); //NAME
qDebug("input device name : /"%s/"/n",name);
memset(bit,0,sizeof(bit)); // 初始化设备空间
ioctl(buttonFD,EVIOCGBIT(0,EV_MAX),bit[0]);
qDebug("..................memset................/n");
if (buttonFD >= 0) {
notifier = new QSocketNotifier(buttonFD, QSocketNotifier::Read, this);
connect(notifier, SIGNAL(activated(int)),this,
SLOT(readKeyboardData()));
}
kbdBufferLen = 80;
kbdBuffer = new unsigned char [kbdBufferLen];
kbdIdx = 0;
}
QWSVr41xxKbPrivate::~QWSVr41xxKbPrivate()
{
if (buttonFD > 0) {
::close(buttonFD);
buttonFD = -1;
}
delete notifier;
notifier = 0;
delete [] kbdBuffer;
}
void QWSVr41xxKbPrivate::readKeyboardData()
{
int n = 0 ;
int i = 0 ;
int keycode = 0 ;
int mycode = 0 ;
qDebug("......QWSVr41xxKbPrivate::readKeyboardData()......");
n = read(buttonFD,ev,sizeof(struct input_event)*64); // 读设备
qDebug("read device : read() ....");
if(n < (int)sizeof(struct input_event)){
qDebug("event : error reading ...");
}
for(i=0;i<n/sizeof(struct input_event);i++){
if(ev[i].type==EV_SYN){
qDebug("----------------------Config Sync-----------------------");
}else{
mycode = ev[i].code ;
}
switch (mycode){ //mycode 是获取的驱动传过来的 keycode
case 188: //keycode 是传给 Qtopia 的 keycode
keycode = Qt::Key_Up;
break;
case 193:
keycode = Qt::Key_Right;
break;
case 6:
keycode = Qt::Key_Down;
break;
case 194:
keycode = Qt::Key_Left;
break;
case 14:
keycode = Qt::Key_Context1;
break;
case 62:
keycode = Qt::Key_Back;
break;
case 88:
keycode = Qt::Key_Select;
break;
case 87:
keycode = Qt::Key_Menu;
break;
case 68:
keycode = Qt::Key_1;
break;
case 67:
keycode = Qt::Key_2;
break;
case 66:
keycode = Qt::Key_3;
break;
case 65:
keycode = Qt::Key_4;
break;
case 192:
keycode = Qt::Key_5;
break;
case 191:
keycode = Qt::Key_6;
break;
case 190:
keycode = Qt::Key_7;
break;
case 189:
keycode = Qt::Key_8;
break;
case 10:
keycode = Qt::Key_9;
break;
case 9:
keycode = Qt::Key_0;
break;
case 8:
keycode = Qt::Key_multiply;
break;
default:
qDebug("Unrecognised key sequence %d", (int)mycode);
}
qDebug("keycode number %d : " , keycode); // 处理 keycode 事件
handler->processKeyEvent(0, keycode, 0, true, false);
}
}
#include "qkbdvr41xx_qws.moc"
#endif // QT_NO_QWS_KBD_VR41XX