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/*
* Copyright 2006 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include <dial_tone.h>
#include <gr_io_signature.h>
#include <gr_sig_source_f.h>
#include <audio_alsa_sink.h>
// Shared pointer constructor
dial_tone_sptr make_dial_tone()
{
return dial_tone_sptr(new dial_tone());
}
// Hierarchical block constructor, with no inputs or outputs
dial_tone::dial_tone() :
gr_hier_block2("dial_tone",
gr_make_io_signature(0,0,0),
gr_make_io_signature(0,0,0))
{
define_component("source0", gr_make_sig_source_f(48000, GR_SIN_WAVE, 350, 0.1));
define_component("source1", gr_make_sig_source_f(48000, GR_SIN_WAVE, 440, 0.1));
define_component("sink", audio_alsa_make_sink(48000));
connect("source0", 0, "sink", 0);
connect("source1", 0, "sink", 1);
}
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