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/* -*- c++ -*- */
/*
* Copyright 2007,2010,2013 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "regenerate_bb_impl.h"
#include <gr_io_signature.h>
namespace gr {
namespace blocks {
regenerate_bb::sptr
regenerate_bb::make(int period, unsigned int max_regen)
{
return gnuradio::get_initial_sptr
(new regenerate_bb_impl(period, max_regen));
}
regenerate_bb_impl::regenerate_bb_impl(int period, unsigned int max_regen)
: gr_sync_block("regenerate_bb",
gr_make_io_signature(1, 1, sizeof(char)),
gr_make_io_signature(1, 1, sizeof(char))),
d_period(period),
d_countdown(0),
d_max_regen(max_regen),
d_regen_count(max_regen)
{
}
regenerate_bb_impl::~regenerate_bb_impl()
{
}
void
regenerate_bb_impl::set_max_regen(unsigned int regen)
{
d_max_regen = regen;
d_countdown = 0;
d_regen_count = d_max_regen;
}
void
regenerate_bb_impl::set_period(int period)
{
d_period = period;
d_countdown = 0;
d_regen_count = d_max_regen;
}
int
regenerate_bb_impl::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const char *iptr = (const char *)input_items[0];
char *optr = (char *)output_items[0];
for(int i = 0; i < noutput_items; i++) {
optr[i] = 0;
if(d_regen_count < d_max_regen) {
d_countdown--;
if(d_countdown == 0) {
optr[i] = 1;
d_countdown = d_period;
d_regen_count++;
}
}
if(iptr[i] == 1) {
d_countdown = d_period;
optr[i] = 1;
d_regen_count = 0;
}
}
return noutput_items;
}
} /* namespace blocks */
} /* namespace gr */
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