3 * Copyright 2004 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.
23 // WARNING: this file is machine generated. Edits will be over written
28 #include <gr_sig_source_f.h>
30 #include <gr_io_signature.h>
32 #include <gr_complex.h>
35 gr_sig_source_f::gr_sig_source_f (double sampling_freq, gr_waveform_t waveform,
36 double frequency, double ampl, float offset)
37 : gr_sync_block ("sig_source_f",
38 gr_make_io_signature (0, 0, 0),
39 gr_make_io_signature (1, 1, sizeof (float))),
40 d_sampling_freq (sampling_freq), d_waveform (waveform), d_frequency (frequency),
41 d_ampl (ampl), d_offset (offset)
43 d_nco.set_freq (2 * M_PI * d_frequency / d_sampling_freq);
47 gr_make_sig_source_f (double sampling_freq, gr_waveform_t waveform,
48 double frequency, double ampl, float offset)
50 return gr_sig_source_f_sptr (new gr_sig_source_f (sampling_freq, waveform, frequency, ampl, offset));
54 gr_sig_source_f::work (int noutput_items,
55 gr_vector_const_void_star &input_items,
56 gr_vector_void_star &output_items)
58 float *optr = (float *) output_items[0];
66 t = (gr_complex) d_ampl + d_offset;
67 for (int i = 0; i < noutput_items; i++) // FIXME unroll
73 d_nco.sincos (optr, noutput_items, d_ampl);
74 if (d_offset == gr_complex(0,0))
77 for (int i = 0; i < noutput_items; i++){
85 t = (float) d_ampl + d_offset;
86 for (int i = 0; i < noutput_items; i++) // FIXME unroll
91 d_nco.sin (optr, noutput_items, d_ampl);
95 for (int i = 0; i < noutput_items; i++){
101 d_nco.cos (optr, noutput_items, d_ampl);
105 for (int i = 0; i < noutput_items; i++){
112 throw std::runtime_error ("gr_sig_source: invalid waveform");
115 return noutput_items;
119 gr_sig_source_f::set_sampling_freq (double sampling_freq)
121 d_sampling_freq = sampling_freq;
122 d_nco.set_freq (2 * M_PI * d_frequency / d_sampling_freq);
126 gr_sig_source_f::set_waveform (gr_waveform_t waveform)
128 d_waveform = waveform;
132 gr_sig_source_f::set_frequency (double frequency)
134 d_frequency = frequency;
135 d_nco.set_freq (2 * M_PI * d_frequency / d_sampling_freq);
139 gr_sig_source_f::set_amplitude (double ampl)
145 gr_sig_source_f::set_offset (float offset)