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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the Qt Mobility Components. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include "maemo6als.h" |
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43 |
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44 const char *maemo6als::id("maemo6.als"); |
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45 bool maemo6als::m_initDone = false; |
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46 |
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47 maemo6als::maemo6als(QSensor *sensor) |
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48 : maemo6sensorbase(sensor) |
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49 { |
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50 setReading<QAmbientLightReading>(&m_reading); |
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51 if (!m_initDone) { |
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52 initSensor<ALSSensorChannelInterface>("alssensor"); |
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53 |
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54 if (m_sensorInterface) |
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55 QObject::connect(static_cast<const ALSSensorChannelInterface*>(m_sensorInterface), SIGNAL(ALSChanged(const int&)), this, SLOT(slotDataAvailable(const int&))); |
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56 else |
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57 qWarning() << "Unable to initialize ambient light sensor."; |
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58 |
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59 // metadata |
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60 addOutputRange(0, 5, 1); |
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61 setDescription(QLatin1String("Ambient light intensity given as 5 pre-defined levels")); |
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62 |
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63 m_initDone = true; |
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64 } |
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65 } |
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66 |
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67 void maemo6als::slotDataAvailable(const int& data) |
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68 { |
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69 // Convert from integer to fixed levels |
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70 // TODO: verify levels |
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71 QAmbientLightReading::LightLevel level; |
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72 if (data < 0) { |
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73 level = QAmbientLightReading::Undefined; |
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74 } else if (data < 10) { |
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75 level = QAmbientLightReading::Dark; |
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76 } else if (data < 50) { |
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77 level = QAmbientLightReading::Twilight; |
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78 } else if (data < 100) { |
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79 level = QAmbientLightReading::Light; |
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80 } else if (data < 150) { |
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81 level = QAmbientLightReading::Bright; |
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82 } else { |
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83 level = QAmbientLightReading::Sunny; |
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84 } |
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85 |
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86 if (level != m_reading.lightLevel()) { |
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87 m_reading.setLightLevel(level); |
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88 //m_reading.setTimestamp(data.timestamp()); |
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89 m_reading.setTimestamp(createTimestamp()); //TODO: use correct timestamp |
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90 newReadingAvailable(); |
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91 } |
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92 } |