jens
045de0c155
- added comments - improved tags git-svn-id: http://moon:8086/svn/software/trunk/projects/GnuRadio@459 b431acfa-c32f-4a4a-93f1-934dc6c82436
82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2019 Jay Arrowfield.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_JAY_PEAK_DETECT_IMPL_H
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#define INCLUDED_JAY_PEAK_DETECT_IMPL_H
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#include <jay/peak_detect.h>
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namespace gr {
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namespace jay {
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class peak_detect_impl : public peak_detect
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{
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private:
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struct Compare
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{
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float const *m_pData;
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Compare(float const *pData)
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: m_pData(pData)
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{
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}
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bool operator() (int i,int j)
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{
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return (m_pData[i] < m_pData[j]);
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}
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};
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float m_alpha_s;
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float m_alpha_m;
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float *m_pPeakData;
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float *m_pX;
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float *m_pXs;
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float *m_pXm;
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float *m_pXd;
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int *m_pPeakPos;
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float *m_pPeakBox_rel;
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float *m_pPeakBox_abs;
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uint64_t m_frameCount;
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pmt::pmt_t m_tag_id;
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const int PB_MIN = 5;
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const int PB_MAX = 37;
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public:
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peak_detect_impl(float alpha_s, float alpha_m, int vlen);
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~peak_detect_impl();
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// Where all the action really happens
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int work(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items);
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void fill(float *pDst, int length, float value);
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float mean(float *pSrc, int length);
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int threshold(float *pDst, float *pSrc, int length, float thresh);
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int findPeakPos(int *pDst, float *pSrc, int length);
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int cmp(const void *a, const void *b);
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};
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} // namespace jay
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} // namespace gr
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#endif /* INCLUDED_JAY_PEAK_DETECT_IMPL_H */
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