sensorfw
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00001 00025 #ifndef AVGVARFILTER_H 00026 #define AVGVARFILTER_H 00027 00028 #include "filter.h" 00029 00030 #include <QPair> 00031 #include <QVector> 00032 #include <QMutex> 00033 00034 class AvgVarFilter : public QObject, public Filter<double, AvgVarFilter, QPair<double, double> > 00035 { 00036 Q_OBJECT 00037 00038 public: 00039 AvgVarFilter(int samples); 00040 void reset(); 00041 00042 private: 00043 int size; 00044 int samplesReceived; 00045 int current; 00046 QVector<double> samples; 00047 QVector<double> samplesSquared; 00048 double sampleSum; 00049 double sampleSquareSum; 00050 QMutex mutex; 00051 00052 void interpret(unsigned, const double* data); 00053 }; 00054 00055 #endif