2 * Copyright 2006,2008 Free Software Foundation, Inc.
4 * This file is part of GNU Radio
6 * GNU Radio is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3, or (at your option)
11 * GNU Radio is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with GNU Radio; see the file COPYING. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street,
19 * Boston, MA 02110-1301, USA.
22 #include <dial_tone.h>
23 #include <gr_io_signature.h>
24 #include <gr_sig_source_f.h>
25 #include <audio_alsa_sink.h>
27 // Shared pointer constructor
28 dial_tone_sptr make_dial_tone()
30 return gnuradio::get_initial_sptr(new dial_tone());
33 // Hierarchical block constructor, with no inputs or outputs
34 dial_tone::dial_tone() :
35 gr_top_block("dial_tone")
37 gr_sig_source_f_sptr src0 = gr_make_sig_source_f(48000, GR_SIN_WAVE, 350, 0.1);
38 gr_sig_source_f_sptr src1 = gr_make_sig_source_f(48000, GR_SIN_WAVE, 440, 0.1);
39 audio_alsa_sink_sptr sink = audio_alsa_make_sink(48000);
41 connect(src0, 0, sink, 0);
42 connect(src1, 0, sink, 1);