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-rw-r--r--keyboard/preonic/keymaps/default/keymap.c28
-rw-r--r--quantum/audio.c81
-rw-r--r--quantum/audio.h104
3 files changed, 156 insertions, 57 deletions
diff --git a/keyboard/preonic/keymaps/default/keymap.c b/keyboard/preonic/keymaps/default/keymap.c
index 2546d8f6c5..144e9c3086 100644
--- a/keyboard/preonic/keymaps/default/keymap.c
+++ b/keyboard/preonic/keymaps/default/keymap.c
@@ -14,9 +14,8 @@
#define _DVORAK 2
#define _LOWER 3
#define _RAISE 4
+#define _MUSIC 5
#define _ADJUST 6
-#define _MUSIC 7
-#define _STOPPER 5
// Macro name shortcuts
#define QWERTY M(_QWERTY)
@@ -159,7 +158,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
[_ADJUST] = {
{KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12},
{_______, RESET, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_DEL},
- {_______, _______, _______, AUD_ON, AUD_OFF, AG_NORM, AG_SWAP, QWERTY, COLEMAK, DVORAK, _______, _______},
+ {_______, _______, _______, AUD_ON, AUD_OFF, AG_NORM, AG_SWAP, QWERTY, COLEMAK, DVORAK, _______, _______},
{_______, _______, _______, MUS_ON, MUS_OFF, _______, _______, _______, _______, _______, _______, _______},
{_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
},
@@ -168,22 +167,11 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
*
*/
[_MUSIC] = {
- {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______},
- {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______},
- {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______},
- {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______},
- {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
-},
-
-/* Stopper
- *
- */
-[_STOPPER] = {
{XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX},
{XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX},
{XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX},
{XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX},
- {XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, LOWER, XXXXXXX, RAISE, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX}
+ {XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, LOWER, XXXXXXX, XXXXXXX, RAISE, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX}
}
};
@@ -237,7 +225,7 @@ float tone_music[][2] = {
{440.0*pow(2.0,(23)/12.0), 8},
{440.0*pow(2.0,(24)/12.0), 8}
};
-float ode_to_joy[][2] = SONG(ODE_TO_JOY);
+float music_scale[][2] = SONG(MUSIC_SCALE_SOUND);
float goodbye[][2] = SONG(GOODBYE_SOUND);
#endif
@@ -320,7 +308,6 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
if (record->event.pressed) {
#ifdef AUDIO_ENABLE
layer_off(_MUSIC);
- layer_off(_STOPPER);
stop_all_notes();
#endif
}
@@ -329,10 +316,8 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
if (record->event.pressed) {
#ifdef AUDIO_ENABLE
init_notes();
- set_tempo(150);
- PLAY_NOTE_ARRAY(ode_to_joy, false, .25);
+ PLAY_NOTE_ARRAY(music_scale, false, 0);
layer_on(_MUSIC);
- layer_on(_STOPPER);
#endif
}
break;
@@ -358,6 +343,7 @@ void process_action_user(keyrecord_t *record) {
void matrix_init_user(void) {
#ifdef AUDIO_ENABLE
init_notes();
+ _delay_ms(10);
PLAY_NOTE_ARRAY(start_up, false, 0);
#endif
}
@@ -365,5 +351,5 @@ void matrix_init_user(void) {
void play_goodbye_tone()
{
PLAY_NOTE_ARRAY(goodbye, false, 0);
- _delay_ms(2000);
+ _delay_ms(150);
} \ No newline at end of file
diff --git a/quantum/audio.c b/quantum/audio.c
index d8768f1609..c92cb53731 100644
--- a/quantum/audio.c
+++ b/quantum/audio.c
@@ -34,8 +34,6 @@ int voice_place = 0;
double frequency = 0;
int volume = 0;
long position = 0;
-int duty_place = 1;
-int duty_counter = 0;
double frequencies[8] = {0, 0, 0, 0, 0, 0, 0, 0};
int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
@@ -51,7 +49,7 @@ uint16_t place_int = 0;
bool repeat = true;
uint8_t * sample;
uint16_t sample_length = 0;
-
+double freq = 0;
bool notes = false;
bool note = false;
@@ -65,11 +63,15 @@ uint8_t notes_count;
bool notes_repeat;
float notes_rest;
bool note_resting = false;
-int note_flipper = 0;
uint8_t current_note = 0;
uint8_t rest_counter = 0;
+uint8_t vibrato_counter = 0;
+float vibrato_strength = 0;
+
+float polyphony_rate = 0;
+
audio_config_t audio_config;
@@ -182,6 +184,11 @@ void init_notes() {
#endif
}
+float mod(float a, int b)
+{
+ float r = fmod(a, b);
+ return r < 0 ? r + b : r;
+}
ISR(TIMER3_COMPA_vect) {
if (note) {
@@ -233,48 +240,41 @@ ISR(TIMER3_COMPA_vect) {
OCR4A = sum;
}
#else
- if (frequencies[voice_place] > 0) {
- // if (frequencies[voice_place] > 880.0) {
- // if (note_flipper == 100) {
- // note_flipper = 0;
- // return;
- // }
- // note_flipper++;
- // } else {
- // note_flipper = 0;
- // }
- // ICR3 = (int)(((double)F_CPU) / frequency); // Set max to the period
- // OCR3A = (int)(((double)F_CPU) / frequency) >> 1; // Set compare to half the period
-
- double freq;
- if (false) {
- voice_place %= voices;
- if (place > (frequencies[voice_place] / 50)) {
- voice_place = (voice_place + 1) % voices;
- place = 0.0;
+ if (voices > 0) {
+ if (false && polyphony_rate > 0) {
+ if (voices > 1) {
+ voice_place %= voices;
+ if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER / voices)) {
+ voice_place = (voice_place + 1) % voices;
+ place = 0.0;
+ }
}
- freq = frequencies[voice_place];
+ if (vibrato_strength > 0) {
+ freq = frequencies[voice_place] * pow(VIBRATO_LUT[(int)vibrato_counter], vibrato_strength);
+ vibrato_counter = mod((vibrato_counter + 1), VIBRATO_LUT_LENGTH);
+ } else {
+ freq = frequencies[voice_place];
+ }
} else {
if (frequency != 0) {
if (frequency < frequencies[voices - 1]) {
- frequency = frequency * 1.01454533494;
+ frequency = frequency * pow(2, 440/frequencies[voices - 1]/12/4);
} else if (frequency > frequencies[voices - 1]) {
- frequency = frequency * 0.98566319864;
+ frequency = frequency * pow(2, -440/frequencies[voices - 1]/12/4);
}
} else {
frequency = frequencies[voices - 1];
}
- freq = frequency;
+
+ if (false && vibrato_strength > 0) {
+ freq = frequency * pow(VIBRATO_LUT[(int)vibrato_counter], vibrato_strength);
+ vibrato_counter = mod((vibrato_counter + 1 + 440/frequencies[voices - 1]), VIBRATO_LUT_LENGTH);
+ } else {
+ freq = frequency;
+ }
}
ICR3 = (int)(((double)F_CPU) / (freq * CPU_PRESCALER)); // Set max to the period
OCR3A = (int)((((double)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); // Set compare to half the period
- //OCR3A = (int)(((double)F_CPU) / (frequencies[voice_place] * CPU_PRESCALER)) >> 1 * duty_place; // Set compare to half the period
- place++;
- // if (duty_counter > (frequencies[voice_place] / 500)) {
- // duty_place = (duty_place % 3) + 1;
- // duty_counter = 0;
- // }
- // duty_counter++;
}
#endif
}
@@ -300,8 +300,17 @@ ISR(TIMER3_COMPA_vect) {
place -= SINE_LENGTH;
#else
if (note_frequency > 0) {
- ICR3 = (int)(((double)F_CPU) / (note_frequency * CPU_PRESCALER)); // Set max to the period
- OCR3A = (int)((((double)F_CPU) / (note_frequency * CPU_PRESCALER)) * note_timbre); // Set compare to half the period
+ float freq;
+
+ if (false && vibrato_strength > 0) {
+ freq = note_frequency * pow(VIBRATO_LUT[(int)vibrato_counter], vibrato_strength);
+ vibrato_counter = mod((vibrato_counter + 1), VIBRATO_LUT_LENGTH);
+ } else {
+ freq = note_frequency;
+ }
+
+ ICR3 = (int)(((double)F_CPU) / (freq * CPU_PRESCALER)); // Set max to the period
+ OCR3A = (int)((((double)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); // Set compare to half the period
} else {
ICR3 = 0;
OCR3A = 0;
diff --git a/quantum/audio.h b/quantum/audio.h
index 44cafccd68..f705341d7f 100644
--- a/quantum/audio.h
+++ b/quantum/audio.h
@@ -47,4 +47,108 @@ void decrease_tempo(uint8_t tempo_change);
void play_goodbye_tone(void);
void play_startup_tone(void);
+#define VIBRATO_LUT (float []) { \
+1.00090714186239, \
+1.00181152169061, \
+1.00270955652027, \
+1.00359767896099, \
+1.00447235162891, \
+1.00533008160601, \
+1.00616743486158, \
+1.00698105056935, \
+1.00776765525194, \
+1.00852407668313, \
+1.0092472574777, \
+1.00993426829815, \
+1.01058232060837, \
+1.01118877890462, \
+1.01175117235612, \
+1.01226720578933, \
+1.01273476995269, \
+1.01315195100182, \
+1.0135170391489, \
+1.01382853642434, \
+1.01408516350345, \
+1.01428586555648, \
+1.0144298170856, \
+1.0145164257189, \
+1.01454533493752, \
+1.0145164257189, \
+1.0144298170856, \
+1.01428586555648, \
+1.01408516350345, \
+1.01382853642434, \
+1.0135170391489, \
+1.01315195100182, \
+1.01273476995269, \
+1.01226720578933, \
+1.01175117235612, \
+1.01118877890462, \
+1.01058232060837, \
+1.00993426829815, \
+1.0092472574777, \
+1.00852407668313, \
+1.00776765525194, \
+1.00698105056935, \
+1.00616743486158, \
+1.00533008160601, \
+1.00447235162891, \
+1.00359767896099, \
+1.00270955652027, \
+1.00181152169061, \
+1.00090714186239, \
+1, \
+0.999093680298157, \
+0.998191753986265, \
+0.997297765337276, \
+0.996415217934032, \
+0.995547561242821, \
+0.99469817754036, \
+0.993870369236874, \
+0.993067346634376, \
+0.992292216155724, \
+0.991547969076588, \
+0.990837470789065, \
+0.990163450622494, \
+0.989528492243954, \
+0.988935024658062, \
+0.988385313823004, \
+0.98788145489731, \
+0.987425365129624, \
+0.987018777401739, \
+0.986663234433381, \
+0.986360083655655, \
+0.986110472758728, \
+0.985915345918143, \
+0.985775440703176, \
+0.985691285669809, \
+0.985663198640188, \
+0.985691285669809, \
+0.985775440703176, \
+0.985915345918143, \
+0.986110472758728, \
+0.986360083655655, \
+0.986663234433381, \
+0.987018777401739, \
+0.987425365129624, \
+0.98788145489731, \
+0.988385313823004, \
+0.988935024658062, \
+0.989528492243954, \
+0.990163450622494, \
+0.990837470789065, \
+0.991547969076588, \
+0.992292216155724, \
+0.993067346634376, \
+0.993870369236874, \
+0.99469817754036, \
+0.99554756124282, \
+0.996415217934032, \
+0.997297765337276, \
+0.998191753986265, \
+0.999093680298157, \
+1, \
+}
+#define VIBRATO_LUT_LENGTH NOTE_ARRAY_SIZE(VIBRATO_LUT)
+
#endif \ No newline at end of file