49 class AccelerometerFilter : public QAccelerometerFilter |
49 class AccelerometerFilter : public QAccelerometerFilter |
50 { |
50 { |
51 public: |
51 public: |
52 bool filter(QAccelerometerReading *reading) |
52 bool filter(QAccelerometerReading *reading) |
53 { |
53 { |
54 #if 0 |
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55 QAccelerometerReading *lastReading = accelerometer->reading(); |
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56 qDebug() << "acceleration: " |
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57 << QString().sprintf("%0.2f (%0.2f) %0.2f (%0.2f) %0.2f (%0.2f)", |
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58 reading->x(), |
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59 lastReading->x() - reading->x(), |
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60 reading->y(), |
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61 lastReading->y() - reading->y(), |
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62 reading->z(), |
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63 lastReading->z() - reading->z()); |
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64 return true; // so the last reading is available! |
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65 #else |
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66 qDebug() << "acceleration: " |
54 qDebug() << "acceleration: " |
67 << QString().sprintf("%0.2f %0.2f %0.2f", |
55 << QString().sprintf("%0.2f %0.2f %0.2f", |
68 reading->x(), |
56 reading->x(), |
69 reading->y(), |
57 reading->y(), |
70 reading->z()); |
58 reading->z()); |
71 return false; // don't store the reading in the sensor |
59 return false; // don't store the reading in the sensor |
72 #endif |
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73 } |
60 } |
74 }; |
61 }; |
75 |
62 |
76 int main(int argc, char **argv) |
63 int main(int argc, char **argv) |
77 { |
64 { |
78 QCoreApplication app(argc, argv); |
65 QCoreApplication app(argc, argv); |
79 |
66 |
80 QAccelerometer sensor; |
67 QAccelerometer sensor; |
81 accelerometer = &sensor; |
68 accelerometer = &sensor; |
82 if (!sensor.connect()) { |
69 AccelerometerFilter filter; |
83 qWarning("No Accelerometer available!"); |
70 sensor.addFilter(&filter); |
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71 sensor.start(); |
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72 |
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73 if (!sensor.isActive()) { |
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74 qWarning("Accelerometer didn't start!"); |
84 return 1; |
75 return 1; |
85 } |
76 } |
86 AccelerometerFilter filter; |
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87 sensor.setSignalEnabled(false); |
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88 sensor.addFilter(&filter); |
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89 //sensor.setUpdatePolicy(QSensor::InfrequentUpdates); |
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90 sensor.setUpdateInterval(100); // as fast as the sensor can go! |
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91 sensor.start(); |
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92 |
77 |
93 return app.exec(); |
78 return app.exec(); |
94 } |
79 } |
95 |
80 |