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/* -*- c++ -*- */
/*
* Copyright 2007 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.
*/
#ifndef INCLUDED_GR_REGENERATE_BB_H
#define INCLUDED_GR_REGENERATE_BB_H
#include <gr_core_api.h>
#include <gr_sync_block.h>
class gr_regenerate_bb;
typedef boost::shared_ptr<gr_regenerate_bb> gr_regenerate_bb_sptr;
GR_CORE_API gr_regenerate_bb_sptr gr_make_regenerate_bb (int period, unsigned int max_regen=500);
/*!
* \brief Detect the peak of a signal and repeat every period samples
* \ingroup level_blk
*
* If a peak is detected, this block outputs a 1 repeated every period samples
* until reset by detection of another 1 on the input or stopped after max_regen
* regenerations have occurred.
*
* Note that if max_regen=(-1)/ULONG_MAX then the regeneration will run forever.
*/
class GR_CORE_API gr_regenerate_bb : public gr_sync_block
{
/*!
* \brief Make a regenerate block
* \param period The number of samples between regenerations
* \param max_regen The maximum number of regenerations to perform; if set to
* ULONG_MAX, it will regenerate continuously.
*/
friend GR_CORE_API gr_regenerate_bb_sptr gr_make_regenerate_bb (int period, unsigned int max_regen);
gr_regenerate_bb (int period, unsigned int max_regen);
private:
int d_period;
int d_countdown;
unsigned int d_max_regen;
unsigned int d_regen_count;
public:
/*! \brief Reset the maximum regeneration count; this will reset the current regen.
*/
void set_max_regen(unsigned int regen);
/*! \brief Reset the period of regenerations; this will reset the current regen.
*/
void set_period(int period);
int work (int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
#endif
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