doc/1.10/rotary_8h_source.html

00001 /***************************************************************************
00002                           rotary.h  -  description
00003                              -------------------
00004     begin                : Tue Sep 21 2004
00005     copyright            : (C) 2004 by Tue Haste Andersen
00006     email                : haste@diku.dk
00007  ***************************************************************************/
00008
00009 /***************************************************************************
00010  *                                                                         *
00011  *   This program is free software; you can redistribute it and/or modify  *
00012  *   it under the terms of the GNU General Public License as published by  *
00013  *   the Free Software Foundation; either version 2 of the License, or     *
00014  *   (at your option) any later version.                                   *
00015  *                                                                         *
00016  ***************************************************************************/
00017
00018 #ifndef ROTARY_H
00019 #define ROTARY_H
00020
00021 #include <qstring.h>
00022
00030 const int kiRotaryFilterMaxLen = 50;
00031
00032 class Rotary
00033 {
00034 public:
00035     Rotary();
00036     ~Rotary();
00037
00039     void calibrateStart();
00041     double calibrateEnd();
00043     void setCalibration(double c);
00045     double getCalibration();
00047     double filter(double dValue);
00049     double fillBuffer(double dValue);
00051     void calibrate(double dValue);
00053     void setFilterLength(int i);
00055     int getFilterLength();
00056 protected:
00058     int m_iFilterLength;
00060     int m_iFilterPos;
00062     double *m_pFilter;
00064     double m_dCalibration;
00066     double m_dLastValue;
00067     int m_iCalibrationCount;
00068 };
00069
00070 #endif