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/* -*- c++ -*- */
/*
* Copyright 2006,2010-2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "goertzel_fc_impl.h"
#include <gnuradio/io_signature.h>
namespace gr {
namespace fft {
goertzel_fc::sptr goertzel_fc::make(int rate, int len, float freq)
{
return gnuradio::make_block_sptr<goertzel_fc_impl>(rate, len, freq);
}
goertzel_fc_impl::goertzel_fc_impl(int rate, int len, float freq)
: sync_decimator("goertzel_fc",
io_signature::make(1, 1, sizeof(float)),
io_signature::make(1, 1, sizeof(gr_complex)),
len),
d_goertzel(rate, len, freq),
d_len(len),
d_freq(freq),
d_rate(rate)
{
}
void goertzel_fc_impl::set_freq(float freq)
{
d_freq = freq;
d_goertzel.set_params(d_rate, d_len, d_freq);
}
void goertzel_fc_impl::set_rate(int rate)
{
d_rate = rate;
d_goertzel.set_params(d_rate, d_len, d_freq);
}
int goertzel_fc_impl::work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items)
{
const float* in = static_cast<const float*>(input_items[0]);
gr_complex* out = (gr_complex*)output_items[0];
for (int i = 0; i < noutput_items; i++) {
*out++ = d_goertzel.batch(in);
in += d_len;
}
return noutput_items;
}
} /* namespace fft */
} /* namespace gr */
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