3 * Copyright 2005,2006 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 2, 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.
27 #include <gr_phase_modulator_fc.h>
28 #include <gr_io_signature.h>
29 #include <gr_sincos.h>
33 gr_phase_modulator_fc_sptr gr_make_phase_modulator_fc (double sensitivity)
35 return gr_phase_modulator_fc_sptr (new gr_phase_modulator_fc (sensitivity));
38 gr_phase_modulator_fc::gr_phase_modulator_fc (double sensitivity)
39 : gr_sync_block ("phase_modulator_fc",
40 gr_make_io_signature (1, 1, sizeof (float)),
41 gr_make_io_signature (1, 1, sizeof (gr_complex))),
42 d_sensitivity (sensitivity), d_phase (0)
47 gr_phase_modulator_fc::work (int noutput_items,
48 gr_vector_const_void_star &input_items,
49 gr_vector_void_star &output_items)
51 const float *in = (const float *) input_items[0];
52 gr_complex *out = (gr_complex *) output_items[0];
54 for (int i = 0; i < noutput_items; i++){
55 d_phase = d_sensitivity * in[i];
57 gr_sincosf (d_phase, &oq, &oi);
58 out[i] = gr_complex (oi, oq);