baz_peak_detector.h
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/* -*- c++ -*- */
/*
* Copyright 2004 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
/*
* gr-baz by Balint Seeber (http://spench.net/contact)
* Information, documentation & samples: http://wiki.spench.net/wiki/gr-baz
*/
#ifndef INCLUDED_BAZ_PEAK_DETECTOR_H
#define INCLUDED_BAZ_PEAK_DETECTOR_H
#include <gnuradio/sync_block.h>
class BAZ_API baz_peak_detector;
/*
* We use boost::shared_ptr's instead of raw pointers for all access
* to gr::blocks (and many other data structures). The shared_ptr gets
* us transparent reference counting, which greatly simplifies storage
* management issues. This is especially helpful in our hybrid
* C++ / Python system.
*
* See http://www.boost.org/libs/smart_ptr/smart_ptr.htm
*
* As a convention, the _sptr suffix indicates a boost::shared_ptr
*/
typedef boost::shared_ptr<baz_peak_detector> baz_peak_detector_sptr;
/*!
* \brief Return a shared_ptr to a new instance of baz_peak_detector.
*
* To avoid accidental use of raw pointers, baz_peak_detector's
* constructor is private. howto_make_square2_ff is the public
* interface for creating new instances.
*/
BAZ_API baz_peak_detector_sptr baz_make_peak_detector (float min_diff = 0.0, int min_len = 1, int lockout = 0, float drop = 0.0, float alpha = 1.0, int look_ahead = 0, bool byte_output = false, bool verbose = false);
/*!
* \brief square2 a stream of floats.
* \ingroup block
*
* This uses the preferred technique: subclassing gr::sync_block.
*/
class BAZ_API baz_peak_detector : public gr::block
{
private:
// The friend declaration allows howto_make_square2_ff to
// access the private constructor.
friend BAZ_API baz_peak_detector_sptr baz_make_peak_detector (float min_diff, int min_len, int lockout, float drop, float alpha, int look_ahead, bool byte_output, bool verbose);
baz_peak_detector(float min_diff, int min_len, int lockout, float drop, float alpha, int look_ahead, bool byte_output, bool verbose); // private constructor
float d_min_diff;
int d_min_len;
int d_lockout;
float d_drop;
float d_alpha;
int d_look_ahead;
volatile bool d_threshold_set;
float d_threshold;
bool d_byte_output;
bool d_rising;
int d_rise_count;
int d_lockout_count;
float d_first;
float d_ave;
float d_peak;
int d_peak_idx;
int d_look_ahead_count;
int d_advance;
bool d_verbose;
int64_t d_last_peak_idx;
public:
~baz_peak_detector (); // public destructor
void set_threshold(float threshold);
void unset_threshold();
inline float threshold() const
{ return d_threshold; }
inline float threshold_set() const
{ return d_threshold_set; }
//int work (int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items);
void forecast(int noutput_items, gr_vector_int &ninput_items_required);
int general_work (int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items);
};
#endif /* INCLUDED_BAZ_PEAK_DETECTOR_H */
BAZ_API
#define BAZ_API
Definition api.h:19
baz_make_peak_detector
BAZ_API baz_peak_detector_sptr baz_make_peak_detector(float min_diff=0.0, int min_len=1, int lockout=0, float drop=0.0, float alpha=1.0, int look_ahead=0, bool byte_output=false, bool verbose=false)
Return a shared_ptr to a new instance of baz_peak_detector.
baz_peak_detector
square2 a stream of floats.
Definition baz_peak_detector.h:64
baz_peak_detector::~baz_peak_detector
~baz_peak_detector()
baz_peak_detector::baz_make_peak_detector
friend BAZ_API baz_peak_detector_sptr baz_make_peak_detector(float min_diff, int min_len, int lockout, float drop, float alpha, int look_ahead, bool byte_output, bool verbose)
Return a shared_ptr to a new instance of baz_peak_detector.
baz_peak_detector::threshold
float threshold() const
Definition baz_peak_detector.h:101
baz_peak_detector::forecast
void forecast(int noutput_items, gr_vector_int &ninput_items_required)
baz_peak_detector::general_work
int general_work(int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
baz_peak_detector::threshold_set
float threshold_set() const
Definition baz_peak_detector.h:104
baz_peak_detector::unset_threshold
void unset_threshold()
baz_peak_detector::set_threshold
void set_threshold(float threshold)