FrequencySweep.hh

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/*
    Copyright (c) 2002-2009 Tampere University.
 
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/**
 * @file FrequencySweep.hh
 *
 * Frequency sweeper that sweeps through the given frequency field by given 
 * steps.
 *
 * @author Jari Mäntyneva 2007 (jari.mantyneva-no.spam-tut.fi)
 * @note rating: red
 */
 
#ifndef TTA_FREQUENCY_SWEEP_HH
#define TTA_FREQUENCY_SWEEP_HH
 
#include "Exception.hh"
 
/**
 * Sweeps through the frequencies from lowest frequency towards the
 * highest frequency and returns all step frequencies including the start and
 * end frequency.
 *
 * FrequencySweep takes start and and frequencies and a step frequency that
 * tells how big frequency steps are taken between the start and end point.
 */
class FrequencySweep {
public:
    FrequencySweep(int startMHz, int endMHz, int stepMHz);
    virtual ~FrequencySweep();
    int nextFrequency();
 
private:
    /// Next frequency to be returned.
    int nextFrequency_;
    /// Flag indicating is there next frequency to return.
    bool hasNext_;
    /// End frequency.
    int endMHz_;
    /// Step frequency.
    int stepMHz_;
};
 
#endif