quantum/audio/voices.h

   1 /* Copyright 2016 Jack Humbert
   2  *
   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.
   7  *
   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.
  12  *
  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/>.
  15  */
  16 #include <stdint.h>
  17 #include <stdbool.h>
  18 #if defined(__AVR__)
  19     #include <avr/io.h>
  20 #endif
  21 #include "wait.h"
  22 #include "luts.h"
  23
  24 #ifndef VOICES_H
  25 #define VOICES_H
  26
  27 float voice_envelope(float frequency);
  28
  29 typedef enum {
  30     default_voice,
  31     #ifdef AUDIO_VOICES
  32     something,
  33     drums,
  34     butts_fader,
  35     octave_crunch,
  36     duty_osc,
  37     duty_octave_down,
  38     delayed_vibrato,
  39     // delayed_vibrato_octave,
  40     // duty_fifth_down,
  41     // duty_fourth_down,
  42     // duty_third_down,
  43     // duty_fifth_third_down,
  44     #endif
  45     number_of_voices // important that this is last
  46 } voice_type;
  47
  48 void set_voice(voice_type v);
  49 void voice_iterate(void);
  50 void voice_deiterate(void);
  51
  52 #endif