You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
136 lines
3.4 KiB
C
136 lines
3.4 KiB
C
#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;
|
|
|
|
#ifndef PITCH_STANDARD_A
|
|
#define PITCH_STANDARD_A 440.0f
|
|
#endif
|
|
|
|
#ifdef AUDIO_CLICKY
|
|
#ifdef AUDIO_CLICKY_ON
|
|
bool clicky_enable = true;
|
|
#else
|
|
bool clicky_enable = false;
|
|
#endif
|
|
#ifndef AUDIO_CLICKY_FREQ_DEFAULT
|
|
#define AUDIO_CLICKY_FREQ_DEFAULT 440.0f
|
|
#endif
|
|
#ifndef AUDIO_CLICKY_FREQ_MIN
|
|
#define AUDIO_CLICKY_FREQ_MIN 65.0f
|
|
#endif
|
|
#ifndef AUDIO_CLICKY_FREQ_MAX
|
|
#define AUDIO_CLICKY_FREQ_MAX 1500.0f
|
|
#endif
|
|
#ifndef AUDIO_CLICKY_FREQ_FACTOR
|
|
#define AUDIO_CLICKY_FREQ_FACTOR 1.18921f
|
|
#endif
|
|
#ifndef AUDIO_CLICKY_FREQ_RANDOMNESS
|
|
#define AUDIO_CLICKY_FREQ_RANDOMNESS 0.05f
|
|
#endif
|
|
|
|
float clicky_freq = AUDIO_CLICKY_FREQ_DEFAULT;
|
|
float clicky_song[][2] = {{AUDIO_CLICKY_FREQ_DEFAULT, 3}, {AUDIO_CLICKY_FREQ_DEFAULT, 1}}; // 3 and 1 --> durations
|
|
|
|
#ifndef NO_MUSIC_MODE
|
|
extern bool music_activated;
|
|
extern bool midi_activated;
|
|
#endif
|
|
|
|
void clicky_play(void) {
|
|
#ifndef NO_MUSIC_MODE
|
|
if (music_activated || midi_activated) return;
|
|
#endif
|
|
clicky_song[0][0] = 2.0f * clicky_freq * (1.0f + AUDIO_CLICKY_FREQ_RANDOMNESS * ( ((float)rand()) / ((float)(RAND_MAX)) ) );
|
|
clicky_song[1][0] = clicky_freq * (1.0f + AUDIO_CLICKY_FREQ_RANDOMNESS * ( ((float)rand()) / ((float)(RAND_MAX)) ) );
|
|
PLAY_SONG(clicky_song);
|
|
}
|
|
#endif
|
|
|
|
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) * PITCH_STANDARD_A;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
#ifdef AUDIO_CLICKY
|
|
if (keycode == CLICKY_TOGGLE && record->event.pressed) { clicky_enable = !clicky_enable; }
|
|
|
|
if (keycode == CLICKY_RESET && record->event.pressed) { clicky_freq = AUDIO_CLICKY_FREQ_DEFAULT; }
|
|
|
|
if (keycode == CLICKY_UP && record->event.pressed) {
|
|
float new_freq = clicky_freq * AUDIO_CLICKY_FREQ_FACTOR;
|
|
if (new_freq < AUDIO_CLICKY_FREQ_MAX) {
|
|
clicky_freq = new_freq;
|
|
}
|
|
}
|
|
if (keycode == CLICKY_TOGGLE && record->event.pressed) {
|
|
float new_freq = clicky_freq / AUDIO_CLICKY_FREQ_FACTOR;
|
|
if (new_freq > AUDIO_CLICKY_FREQ_MIN) {
|
|
clicky_freq = new_freq;
|
|
}
|
|
}
|
|
|
|
|
|
if ( (clicky_enable && keycode != CLICKY_TOGGLE) || (!clicky_enable && keycode == CLICKY_TOGGLE) ) {
|
|
if (record->event.pressed) {
|
|
stop_all_notes();
|
|
clicky_play();;
|
|
}
|
|
}
|
|
#endif // AUDIO_CLICKY
|
|
|
|
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() {}
|