3 * Copyright 2005,2010 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
28 #include <gr_io_signature.h>
32 gr_make_vco_f(double sampling_rate, double sensitivity, double amplitude)
34 return gnuradio::get_initial_sptr(new gr_vco_f(sampling_rate, sensitivity, amplitude));
38 gr_vco_f::gr_vco_f(double sampling_rate, double sensitivity, double amplitude)
39 : gr_sync_block("vco_f",
40 gr_make_io_signature(1, 1, sizeof(float)),
41 gr_make_io_signature(1, 1, sizeof(float))),
42 d_sampling_rate(sampling_rate), d_sensitivity(sensitivity), d_amplitude(amplitude),
43 d_k(d_sensitivity/d_sampling_rate)
48 gr_vco_f::work (int noutput_items,
49 gr_vector_const_void_star &input_items,
50 gr_vector_void_star &output_items)
52 const float *input = (const float *)input_items[0];
53 float *output = (float *)output_items[0];
55 d_vco.cos(output, input, noutput_items, d_k, d_amplitude);