blob: eb74796fa7a9dd6f7daf61ab642e0b803c9d7ad4 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
#include "audio.h"
#include "process_audio.h"
#ifndef VOICE_CHANGE_SONG
#define VOICE_CHANGE_SONG SONG(VOICE_CHANGE_SOUND)
#endif
float voice_change_song[][2] = VOICE_CHANGE_SONG;
static float compute_freq_for_midi_note(uint8_t note)
{
// https://en.wikipedia.org/wiki/MIDI_tuning_standard
return pow(2.0, (note - 69) / 12.0) * 440.0f;
}
bool process_audio(uint16_t keycode, keyrecord_t *record) {
if (keycode == AU_ON && record->event.pressed) {
audio_on();
return false;
}
if (keycode == AU_OFF && record->event.pressed) {
audio_off();
return false;
}
if (keycode == AU_TOG && record->event.pressed) {
if (is_audio_on()) {
audio_off();
} else {
audio_on();
}
return false;
}
if (keycode == MUV_IN && record->event.pressed) {
voice_iterate();
PLAY_SONG(voice_change_song);
return false;
}
if (keycode == MUV_DE && record->event.pressed) {
voice_deiterate();
PLAY_SONG(voice_change_song);
return false;
}
return true;
}
void process_audio_noteon(uint8_t note) {
play_note(compute_freq_for_midi_note(note), 0xF);
}
void process_audio_noteoff(uint8_t note) {
stop_note(compute_freq_for_midi_note(note));
}
void process_audio_all_notes_off(void) {
stop_all_notes();
}
__attribute__ ((weak))
void audio_on_user() {}
|
