1 /* Copyright 2016 Jack Humbert
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 2 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #include <util/delay.h>
25 float voice_envelope(float frequency);
37 // delayed_vibrato_octave,
41 // duty_fifth_third_down,
43 number_of_voices // important that this is last
46 void set_voice(voice_type v);
47 void voice_iterate(void);
48 void voice_deiterate(void);