/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the tools applications of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "deviceorientation.h" #include #include class MaemoOrientation : public DeviceOrientation { Q_OBJECT public: MaemoOrientation() : DeviceOrientation(),m_current(Portrait), m_lastSeen(Portrait), m_lastSeenCount(0) { startTimer(100); } Orientation orientation() const { return m_current; } void setOrientation(Orientation orient) { //XXX maybe better to just ignore if (orient != m_current) { m_current = orient; emit orientationChanged(); } } protected: virtual void timerEvent(QTimerEvent *) { Orientation c = get(); if (c == m_lastSeen) { m_lastSeenCount++; } else { m_lastSeenCount = 0; m_lastSeen = c; } if (m_lastSeen != UnknownOrientation && m_lastSeen != m_current && m_lastSeenCount > 4) { m_current = m_lastSeen; emit orientationChanged(); printf("%d\n", m_current); } } signals: void changed(); private: Orientation m_current; Orientation m_lastSeen; int m_lastSeenCount; Orientation get() { Orientation o = UnknownOrientation; int ax, ay, az; read(&ax, &ay, &az); if (abs(az) > 850) { o = UnknownOrientation; } else if (ax < -750) { o = Portrait; } else if (ay < -750) { o = Landscape; } return o; } int read(int *ax,int *ay,int *az) { static const char *accel_filename = "/sys/class/i2c-adapter/i2c-3/3-001d/coord"; FILE *fd; int rs; fd = fopen(accel_filename, "r"); if(fd==NULL){ printf("liqaccel, cannot open for reading\n"); return -1;} rs=fscanf((FILE*) fd,"%i %i %i",ax,ay,az); fclose(fd); if(rs != 3){ printf("liqaccel, cannot read information\n"); return -2;} return 0; } }; DeviceOrientation* DeviceOrientation::instance() { static MaemoOrientation *o = 0; if (!o) o = new MaemoOrientation; return o; } #include "deviceorientation_maemo.moc"