/* * 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 #include #include #include // 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); }