Merge branch 'master' of https://github.com/jackhumbert/qmk_firmware

9 files changed, 1875 insertions, 0 deletions

diff --git a/quantum/audio/audio.c b/quantum/audio/audio.c
new file mode 100644
index 0000000000..e85370d958
--- /dev/null
+++ b/quantum/audio/audio.c
@@ -0,0 +1,607 @@
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <avr/pgmspace.h>
+#include <avr/interrupt.h>
+#include <avr/io.h>
+#include "print.h"
+#include "audio.h"
+#include "keymap_common.h"
+
+#include "eeconfig.h"
+
+#ifdef VIBRATO_ENABLE
+    #include "vibrato_lut.h"
+#endif
+
+#define PI 3.14159265
+
+#define CPU_PRESCALER 8
+
+#ifdef PWM_AUDIO
+    #include "wave.h"
+    #define SAMPLE_DIVIDER 39
+    #define SAMPLE_RATE (2000000.0/SAMPLE_DIVIDER/2048)
+    // Resistor value of 1/ (2 * PI * 10nF * (2000000 hertz / SAMPLE_DIVIDER / 10)) for 10nF cap
+
+    float places[8] = {0, 0, 0, 0, 0, 0, 0, 0};
+    uint16_t place_int = 0;
+    bool repeat = true;
+#endif
+
+void delay_us(int count) {
+  while(count--) {
+    _delay_us(1);
+  }
+}
+
+int voices = 0;
+int voice_place = 0;
+float frequency = 0;
+int volume = 0;
+long position = 0;
+
+float frequencies[8] = {0, 0, 0, 0, 0, 0, 0, 0};
+int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
+bool sliding = false;
+
+int max = 0xFF;
+float sum = 0;
+float place = 0;
+
+uint8_t * sample;
+uint16_t sample_length = 0;
+// float freq = 0;
+
+bool notes = false;
+bool note = false;
+float note_frequency = 0;
+float note_length = 0;
+float note_tempo = TEMPO_DEFAULT;
+float note_timbre = TIMBRE_DEFAULT;
+uint16_t note_position = 0;
+float (* notes_pointer)[][2];
+uint16_t notes_count;
+bool notes_repeat;
+float notes_rest;
+bool note_resting = false;
+
+uint8_t current_note = 0;
+uint8_t rest_counter = 0;
+
+#ifdef VIBRATO_ENABLE
+float vibrato_counter = 0;
+float vibrato_strength = .5;
+float vibrato_rate = 0.125;
+#endif
+
+float polyphony_rate = 0;
+
+bool inited = false;
+
+audio_config_t audio_config;
+
+uint16_t envelope_index = 0;
+
+void audio_toggle(void) {
+    audio_config.enable ^= 1;
+    eeconfig_update_audio(audio_config.raw);
+}
+
+void audio_on(void) {
+    audio_config.enable = 1;
+    eeconfig_update_audio(audio_config.raw);
+}
+
+void audio_off(void) {
+    audio_config.enable = 0;
+    eeconfig_update_audio(audio_config.raw);
+}
+
+#ifdef VIBRATO_ENABLE
+// Vibrato rate functions
+
+void set_vibrato_rate(float rate) {
+    vibrato_rate = rate;
+}
+
+void increase_vibrato_rate(float change) {
+    vibrato_rate *= change;
+}
+
+void decrease_vibrato_rate(float change) {
+    vibrato_rate /= change;
+}
+
+#ifdef VIBRATO_STRENGTH_ENABLE
+
+void set_vibrato_strength(float strength) {
+    vibrato_strength = strength;
+}
+
+void increase_vibrato_strength(float change) {
+    vibrato_strength *= change;
+}
+
+void decrease_vibrato_strength(float change) {
+    vibrato_strength /= change;
+}
+
+#endif
+
+#endif
+
+// Polyphony functions
+
+void set_polyphony_rate(float rate) {
+    polyphony_rate = rate;
+}
+
+void enable_polyphony() {
+    polyphony_rate = 5;
+}
+
+void disable_polyphony() {
+    polyphony_rate = 0;
+}
+
+void increase_polyphony_rate(float change) {
+    polyphony_rate *= change;
+}
+
+void decrease_polyphony_rate(float change) {
+    polyphony_rate /= change;
+}
+
+// Timbre function
+
+void set_timbre(float timbre) {
+    note_timbre = timbre;
+}
+
+// Tempo functions
+
+void set_tempo(float tempo) {
+    note_tempo = tempo;
+}
+
+void decrease_tempo(uint8_t tempo_change) {
+    note_tempo += (float) tempo_change;
+}
+
+void increase_tempo(uint8_t tempo_change) {
+    if (note_tempo - (float) tempo_change < 10) {
+        note_tempo = 10;
+    } else {
+        note_tempo -= (float) tempo_change;
+    }
+}
+
+void audio_init() {
+
+    /* check signature */
+    if (!eeconfig_is_enabled()) {
+        eeconfig_init();
+    }
+    audio_config.raw = eeconfig_read_audio();
+
+    #ifdef PWM_AUDIO
+        PLLFRQ = _BV(PDIV2);
+        PLLCSR = _BV(PLLE);
+        while(!(PLLCSR & _BV(PLOCK)));
+        PLLFRQ |= _BV(PLLTM0); /* PCK 48MHz */
+
+        /* Init a fast PWM on Timer4 */
+        TCCR4A = _BV(COM4A0) | _BV(PWM4A); /* Clear OC4A on Compare Match */
+        TCCR4B = _BV(CS40); /* No prescaling => f = PCK/256 = 187500Hz */
+        OCR4A = 0;
+
+        /* Enable the OC4A output */
+        DDRC |= _BV(PORTC6);
+
+        TIMSK3 &= ~_BV(OCIE3A); // Turn off 3A interputs
+
+        TCCR3A = 0x0; // Options not needed
+        TCCR3B = _BV(CS31) | _BV(CS30) | _BV(WGM32); // 64th prescaling and CTC
+        OCR3A = SAMPLE_DIVIDER - 1; // Correct count/compare, related to sample playback
+    #else
+        DDRC |= _BV(PORTC6);
+
+        TIMSK3 &= ~_BV(OCIE3A); // Turn off 3A interputs
+
+        TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
+        TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30);
+    #endif
+
+    inited = true;
+}
+
+void stop_all_notes() {
+    if (!inited) {
+        audio_init();
+    }
+    voices = 0;
+    #ifdef PWM_AUDIO
+        TIMSK3 &= ~_BV(OCIE3A);
+    #else
+        TIMSK3 &= ~_BV(OCIE3A);
+        TCCR3A &= ~_BV(COM3A1);
+    #endif
+    notes = false;
+    note = false;
+    frequency = 0;
+    volume = 0;
+
+    for (int i = 0; i < 8; i++) {
+        frequencies[i] = 0;
+        volumes[i] = 0;
+    }
+}
+
+void stop_note(float freq) {
+    if (note) {
+        if (!inited) {
+            audio_init();
+        }
+        #ifdef PWM_AUDIO
+            freq = freq / SAMPLE_RATE;
+        #endif
+        for (int i = 7; i >= 0; i--) {
+            if (frequencies[i] == freq) {
+                frequencies[i] = 0;
+                volumes[i] = 0;
+                for (int j = i; (j < 7); j++) {
+                    frequencies[j] = frequencies[j+1];
+                    frequencies[j+1] = 0;
+                    volumes[j] = volumes[j+1];
+                    volumes[j+1] = 0;
+                }
+                break;
+            }
+        }
+        voices--;
+        if (voices < 0)
+            voices = 0;
+        if (voice_place >= voices) {
+            voice_place = 0;
+        }
+        if (voices == 0) {
+            #ifdef PWM_AUDIO
+                TIMSK3 &= ~_BV(OCIE3A);
+            #else
+                TIMSK3 &= ~_BV(OCIE3A);
+                TCCR3A &= ~_BV(COM3A1);
+            #endif
+            frequency = 0;
+            volume = 0;
+            note = false;
+        }
+    }
+}
+
+#ifdef VIBRATO_ENABLE
+
+float mod(float a, int b)
+{
+    float r = fmod(a, b);
+    return r < 0 ? r + b : r;
+}
+
+float vibrato(float average_freq) {
+    #ifdef VIBRATO_STRENGTH_ENABLE
+        float vibrated_freq = average_freq * pow(VIBRATO_LUT[(int)vibrato_counter], vibrato_strength);
+    #else
+        float vibrated_freq = average_freq * VIBRATO_LUT[(int)vibrato_counter];
+    #endif
+    vibrato_counter = mod((vibrato_counter + vibrato_rate * (1.0 + 440.0/average_freq)), VIBRATO_LUT_LENGTH);
+    return vibrated_freq;
+}
+
+#endif
+
+ISR(TIMER3_COMPA_vect) {
+    if (note) {
+        #ifdef PWM_AUDIO
+            if (voices == 1) {
+                // SINE
+                OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]) >> 2;
+
+                // SQUARE
+                // if (((int)place) >= 1024){
+                //     OCR4A = 0xFF >> 2;
+                // } else {
+                //     OCR4A = 0x00;
+                // }
+
+                // SAWTOOTH
+                // OCR4A = (int)place / 4;
+
+                // TRIANGLE
+                // if (((int)place) >= 1024) {
+                //     OCR4A = (int)place / 2;
+                // } else {
+                //     OCR4A = 2048 - (int)place / 2;
+                // }
+
+                place += frequency;
+
+                if (place >= SINE_LENGTH)
+                    place -= SINE_LENGTH;
+
+            } else {
+                int sum = 0;
+                for (int i = 0; i < voices; i++) {
+                    // SINE
+                    sum += pgm_read_byte(&sinewave[(uint16_t)places[i]]) >> 2;
+
+                    // SQUARE
+                    // if (((int)places[i]) >= 1024){
+                    //     sum += 0xFF >> 2;
+                    // } else {
+                    //     sum += 0x00;
+                    // }
+
+                    places[i] += frequencies[i];
+
+                    if (places[i] >= SINE_LENGTH)
+                        places[i] -= SINE_LENGTH;
+                }
+                OCR4A = sum;
+            }
+        #else
+            if (voices > 0) {
+                float freq;
+                if (polyphony_rate > 0) {                
+                    if (voices > 1) {
+                        voice_place %= voices;
+                        if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
+                            voice_place = (voice_place + 1) % voices;
+                            place = 0.0;
+                        }
+                    }
+                    #ifdef VIBRATO_ENABLE
+                    if (vibrato_strength > 0) {
+                        freq = vibrato(frequencies[voice_place]);
+                    } else {
+                    #else
+                    {
+                    #endif
+                        freq = frequencies[voice_place];
+                    } 
+                } else {
+                    if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/12/2)) {
+                        frequency = frequency * pow(2, 440/frequency/12/2);
+                    } else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440/frequencies[voices - 1]/12/2)) {
+                        frequency = frequency * pow(2, -440/frequency/12/2);
+                    } else {
+                        frequency = frequencies[voices - 1];
+                    }
+
+
+                    #ifdef VIBRATO_ENABLE
+                    if (vibrato_strength > 0) {
+                        freq = vibrato(frequency);
+                    } else {
+                    #else
+                    {
+                    #endif
+                        freq = frequency;
+                    } 
+                }
+
+                if (envelope_index < 65535) {
+                    envelope_index++;
+                }
+                freq = voice_envelope(freq);
+
+                if (freq < 30.517578125)
+                    freq = 30.52;
+                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
+            }
+        #endif
+    }
+
+    // SAMPLE
+    // OCR4A = pgm_read_byte(&sample[(uint16_t)place_int]);
+
+    // place_int++;
+
+    // if (place_int >= sample_length)
+    //     if (repeat)
+    //         place_int -= sample_length;
+    //     else
+    //         TIMSK3 &= ~_BV(OCIE3A);
+
+
+    if (notes) {
+        #ifdef PWM_AUDIO
+            OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]) >> 0;
+
+            place += note_frequency;
+            if (place >= SINE_LENGTH)
+                place -= SINE_LENGTH;
+        #else
+            if (note_frequency > 0) {
+                float freq;
+
+                #ifdef VIBRATO_ENABLE
+                if (vibrato_strength > 0) {
+                    freq = vibrato(note_frequency);
+                } else {
+                #else
+                {
+                #endif
+                    freq = note_frequency;
+                }
+
+                if (envelope_index < 65535) {
+                    envelope_index++;
+                }
+                freq = voice_envelope(freq);
+
+                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;
+            }
+        #endif
+
+
+        note_position++;
+        bool end_of_note = false;
+        if (ICR3 > 0)
+            end_of_note = (note_position >= (note_length / ICR3 * 0xFFFF));
+        else
+            end_of_note = (note_position >= (note_length * 0x7FF));
+        if (end_of_note) {
+            current_note++;
+            if (current_note >= notes_count) {
+                if (notes_repeat) {
+                    current_note = 0;
+                } else {
+                    #ifdef PWM_AUDIO
+                        TIMSK3 &= ~_BV(OCIE3A);
+                    #else
+                        TIMSK3 &= ~_BV(OCIE3A);
+                        TCCR3A &= ~_BV(COM3A1);
+                    #endif
+                    notes = false;
+                    return;
+                }
+            }
+            if (!note_resting && (notes_rest > 0)) {
+                note_resting = true;
+                note_frequency = 0;
+                note_length = notes_rest;
+                current_note--;
+            } else {
+                note_resting = false;
+                #ifdef PWM_AUDIO
+                    note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
+                    note_length = (*notes_pointer)[current_note][1] * (note_tempo / 100);
+                #else
+                    envelope_index = 0;
+                    note_frequency = (*notes_pointer)[current_note][0];
+                    note_length = ((*notes_pointer)[current_note][1] / 4) * (note_tempo / 100);
+                #endif
+            }
+            note_position = 0;
+        }
+
+    }
+
+    if (!audio_config.enable) {
+        notes = false;
+        note = false;
+    }
+}
+
+void play_note(float freq, int vol) {
+
+    if (!inited) {
+        audio_init();
+    }
+
+if (audio_config.enable && voices < 8) {
+    TIMSK3 &= ~_BV(OCIE3A);
+    // Cancel notes if notes are playing
+    if (notes)
+        stop_all_notes();
+    note = true;
+    envelope_index = 0;
+    #ifdef PWM_AUDIO
+        freq = freq / SAMPLE_RATE;
+    #endif
+    if (freq > 0) {
+        frequencies[voices] = freq;
+        volumes[voices] = vol;
+        voices++;
+    }
+
+    #ifdef PWM_AUDIO
+        TIMSK3 |= _BV(OCIE3A);
+    #else
+        TIMSK3 |= _BV(OCIE3A);
+        TCCR3A |= _BV(COM3A1);
+    #endif
+}
+
+}
+
+void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest) {
+
+    if (!inited) {
+        audio_init();
+    }
+
+if (audio_config.enable) {
+    TIMSK3 &= ~_BV(OCIE3A);
+	// Cancel note if a note is playing
+    if (note)
+        stop_all_notes();
+    notes = true;
+
+    notes_pointer = np;
+    notes_count = n_count;
+    notes_repeat = n_repeat;
+    notes_rest = n_rest;
+
+    place = 0;
+    current_note = 0;
+    #ifdef PWM_AUDIO
+        note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
+        note_length = (*notes_pointer)[current_note][1] * (note_tempo / 100);
+    #else
+        note_frequency = (*notes_pointer)[current_note][0];
+        note_length = ((*notes_pointer)[current_note][1] / 4) * (note_tempo / 100);
+    #endif
+    note_position = 0;
+
+
+    #ifdef PWM_AUDIO
+        TIMSK3 |= _BV(OCIE3A);
+    #else
+        TIMSK3 |= _BV(OCIE3A);
+        TCCR3A |= _BV(COM3A1);
+    #endif
+}
+
+}
+
+#ifdef PWM_AUDIO
+void play_sample(uint8_t * s, uint16_t l, bool r) {
+    if (!inited) {
+        audio_init();
+    }
+
+    if (audio_config.enable) {
+        TIMSK3 &= ~_BV(OCIE3A);
+        stop_all_notes();
+        place_int = 0;
+        sample = s;
+        sample_length = l;
+        repeat = r;
+
+        TIMSK3 |= _BV(OCIE3A);
+    }
+}
+#endif
+
+//------------------------------------------------------------------------------
+// Override these functions in your keymap file to play different tunes on
+// startup and bootloader jump
+__attribute__ ((weak))
+void play_startup_tone()
+{
+}
+
+
+
+__attribute__ ((weak))
+void play_goodbye_tone()
+{
+
+}
+//------------------------------------------------------------------------------
diff --git a/quantum/audio/audio.h b/quantum/audio/audio.h
new file mode 100644
index 0000000000..89769507e1
--- /dev/null
+++ b/quantum/audio/audio.h
@@ -0,0 +1,89 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include <avr/io.h>
+#include <util/delay.h>
+#include "musical_notes.h"
+#include "song_list.h"
+#include "voices.h"
+
+#ifndef AUDIO_H
+#define AUDIO_H
+
+// Largely untested PWM audio mode (doesn't sound as good)
+// #define PWM_AUDIO
+
+// #define VIBRATO_ENABLE
+
+// Enable vibrato strength/amplitude - slows down ISR too much
+// #define VIBRATO_STRENGTH_ENABLE
+
+typedef union {
+    uint8_t raw;
+    struct {
+        bool    enable :1;
+        uint8_t level  :7;
+    };
+} audio_config_t;
+
+void audio_toggle(void);
+void audio_on(void);
+void audio_off(void);
+
+// Vibrato rate functions
+
+#ifdef VIBRATO_ENABLE
+
+void set_vibrato_rate(float rate);
+void increase_vibrato_rate(float change);
+void decrease_vibrato_rate(float change);
+
+#ifdef VIBRATO_STRENGTH_ENABLE
+
+void set_vibrato_strength(float strength);
+void increase_vibrato_strength(float change);
+void decrease_vibrato_strength(float change);
+
+#endif
+
+#endif
+
+// Polyphony functions
+
+void set_polyphony_rate(float rate);
+void enable_polyphony(void);
+void disable_polyphony(void);
+void increase_polyphony_rate(float change);
+void decrease_polyphony_rate(float change);
+
+void set_timbre(float timbre);
+void set_tempo(float tempo);
+
+void increase_tempo(uint8_t tempo_change);
+void decrease_tempo(uint8_t tempo_change);
+
+void audio_init(void);
+
+#ifdef PWM_AUDIO
+void play_sample(uint8_t * s, uint16_t l, bool r);
+#endif
+void play_note(float freq, int vol);
+void stop_note(float freq);
+void stop_all_notes(void);
+void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest);
+
+#define SCALE (int []){ 0 + (12*0), 2 + (12*0), 4 + (12*0), 5 + (12*0), 7 + (12*0), 9 + (12*0), 11 + (12*0), \
+						0 + (12*1), 2 + (12*1), 4 + (12*1), 5 + (12*1), 7 + (12*1), 9 + (12*1), 11 + (12*1), \
+						0 + (12*2), 2 + (12*2), 4 + (12*2), 5 + (12*2), 7 + (12*2), 9 + (12*2), 11 + (12*2), \
+						0 + (12*3), 2 + (12*3), 4 + (12*3), 5 + (12*3), 7 + (12*3), 9 + (12*3), 11 + (12*3), \
+						0 + (12*4), 2 + (12*4), 4 + (12*4), 5 + (12*4), 7 + (12*4), 9 + (12*4), 11 + (12*4), }
+
+// These macros are used to allow play_notes to play an array of indeterminate
+// length. This works around the limitation of C's sizeof operation on pointers.
+// The global float array for the song must be used here.
+#define NOTE_ARRAY_SIZE(x) ((int16_t)(sizeof(x) / (sizeof(x[0]))))
+#define PLAY_NOTE_ARRAY(note_array, note_repeat, note_rest_style) play_notes(&note_array, NOTE_ARRAY_SIZE((note_array)), (note_repeat), (note_rest_style));
+
+void play_goodbye_tone(void);
+void play_startup_tone(void);
+
+#endif
\ No newline at end of file
diff --git a/quantum/audio/frequency_lut.h b/quantum/audio/frequency_lut.h
new file mode 100644
index 0000000000..e62da5be4e
--- /dev/null
+++ b/quantum/audio/frequency_lut.h
@@ -0,0 +1,357 @@
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <avr/pgmspace.h>
+
+#define FREQUENCY_LUT_LENGTH 349
+
+const uint16_t FREQUENCY_LUT[FREQUENCY_LUT_LENGTH] = {
+0x8E0B,
+0x8C02,
+0x8A00,
+0x8805,
+0x8612,
+0x8426,
+0x8241,
+0x8063,
+0x7E8C,
+0x7CBB,
+0x7AF2,
+0x792E,
+0x7772,
+0x75BB,
+0x740B,
+0x7261,
+0x70BD,
+0x6F20,
+0x6D88,
+0x6BF6,
+0x6A69,
+0x68E3,
+0x6762,
+0x65E6,
+0x6470,
+0x6300,
+0x6194,
+0x602E,
+0x5ECD,
+0x5D71,
+0x5C1A,
+0x5AC8,
+0x597B,
+0x5833,
+0x56EF,
+0x55B0,
+0x5475,
+0x533F,
+0x520E,
+0x50E1,
+0x4FB8,
+0x4E93,
+0x4D73,
+0x4C57,
+0x4B3E,
+0x4A2A,
+0x491A,
+0x480E,
+0x4705,
+0x4601,
+0x4500,
+0x4402,
+0x4309,
+0x4213,
+0x4120,
+0x4031,
+0x3F46,
+0x3E5D,
+0x3D79,
+0x3C97,
+0x3BB9,
+0x3ADD,
+0x3A05,
+0x3930,
+0x385E,
+0x3790,
+0x36C4,
+0x35FB,
+0x3534,
+0x3471,
+0x33B1,
+0x32F3,
+0x3238,
+0x3180,
+0x30CA,
+0x3017,
+0x2F66,
+0x2EB8,
+0x2E0D,
+0x2D64,
+0x2CBD,
+0x2C19,
+0x2B77,
+0x2AD8,
+0x2A3A,
+0x299F,
+0x2907,
+0x2870,
+0x27DC,
+0x2749,
+0x26B9,
+0x262B,
+0x259F,
+0x2515,
+0x248D,
+0x2407,
+0x2382,
+0x2300,
+0x2280,
+0x2201,
+0x2184,
+0x2109,
+0x2090,
+0x2018,
+0x1FA3,
+0x1F2E,
+0x1EBC,
+0x1E4B,
+0x1DDC,
+0x1D6E,
+0x1D02,
+0x1C98,
+0x1C2F,
+0x1BC8,
+0x1B62,
+0x1AFD,
+0x1A9A,
+0x1A38,
+0x19D8,
+0x1979,
+0x191C,
+0x18C0,
+0x1865,
+0x180B,
+0x17B3,
+0x175C,
+0x1706,
+0x16B2,
+0x165E,
+0x160C,
+0x15BB,
+0x156C,
+0x151D,
+0x14CF,
+0x1483,
+0x1438,
+0x13EE,
+0x13A4,
+0x135C,
+0x1315,
+0x12CF,
+0x128A,
+0x1246,
+0x1203,
+0x11C1,
+0x1180,
+0x1140,
+0x1100,
+0x10C2,
+0x1084,
+0x1048,
+0x100C,
+0xFD1,
+0xF97,
+0xF5E,
+0xF25,
+0xEEE,
+0xEB7,
+0xE81,
+0xE4C,
+0xE17,
+0xDE4,
+0xDB1,
+0xD7E,
+0xD4D,
+0xD1C,
+0xCEC,
+0xCBC,
+0xC8E,
+0xC60,
+0xC32,
+0xC05,
+0xBD9,
+0xBAE,
+0xB83,
+0xB59,
+0xB2F,
+0xB06,
+0xADD,
+0xAB6,
+0xA8E,
+0xA67,
+0xA41,
+0xA1C,
+0x9F7,
+0x9D2,
+0x9AE,
+0x98A,
+0x967,
+0x945,
+0x923,
+0x901,
+0x8E0,
+0x8C0,
+0x8A0,
+0x880,
+0x861,
+0x842,
+0x824,
+0x806,
+0x7E8,
+0x7CB,
+0x7AF,
+0x792,
+0x777,
+0x75B,
+0x740,
+0x726,
+0x70B,
+0x6F2,
+0x6D8,
+0x6BF,
+0x6A6,
+0x68E,
+0x676,
+0x65E,
+0x647,
+0x630,
+0x619,
+0x602,
+0x5EC,
+0x5D7,
+0x5C1,
+0x5AC,
+0x597,
+0x583,
+0x56E,
+0x55B,
+0x547,
+0x533,
+0x520,
+0x50E,
+0x4FB,
+0x4E9,
+0x4D7,
+0x4C5,
+0x4B3,
+0x4A2,
+0x491,
+0x480,
+0x470,
+0x460,
+0x450,
+0x440,
+0x430,
+0x421,
+0x412,
+0x403,
+0x3F4,
+0x3E5,
+0x3D7,
+0x3C9,
+0x3BB,
+0x3AD,
+0x3A0,
+0x393,
+0x385,
+0x379,
+0x36C,
+0x35F,
+0x353,
+0x347,
+0x33B,
+0x32F,
+0x323,
+0x318,
+0x30C,
+0x301,
+0x2F6,
+0x2EB,
+0x2E0,
+0x2D6,
+0x2CB,
+0x2C1,
+0x2B7,
+0x2AD,
+0x2A3,
+0x299,
+0x290,
+0x287,
+0x27D,
+0x274,
+0x26B,
+0x262,
+0x259,
+0x251,
+0x248,
+0x240,
+0x238,
+0x230,
+0x228,
+0x220,
+0x218,
+0x210,
+0x209,
+0x201,
+0x1FA,
+0x1F2,
+0x1EB,
+0x1E4,
+0x1DD,
+0x1D6,
+0x1D0,
+0x1C9,
+0x1C2,
+0x1BC,
+0x1B6,
+0x1AF,
+0x1A9,
+0x1A3,
+0x19D,
+0x197,
+0x191,
+0x18C,
+0x186,
+0x180,
+0x17B,
+0x175,
+0x170,
+0x16B,
+0x165,
+0x160,
+0x15B,
+0x156,
+0x151,
+0x14C,
+0x148,
+0x143,
+0x13E,
+0x13A,
+0x135,
+0x131,
+0x12C,
+0x128,
+0x124,
+0x120,
+0x11C,
+0x118,
+0x114,
+0x110,
+0x10C,
+0x108,
+0x104,
+0x100,
+0xFD,
+0xF9,
+0xF5,
+0xF2,
+0xEE
+};
\ No newline at end of file
diff --git a/quantum/audio/musical_notes.h b/quantum/audio/musical_notes.h
new file mode 100644
index 0000000000..b08d16a6fa
--- /dev/null
+++ b/quantum/audio/musical_notes.h
@@ -0,0 +1,217 @@
+#ifndef MUSICAL_NOTES_H
+#define MUSICAL_NOTES_H
+
+// Tempo Placeholder
+#define TEMPO_DEFAULT 100
+
+
+#define SONG(notes...) { notes }
+
+
+// Note Types
+#define MUSICAL_NOTE(note, duration)   {(NOTE##note), duration}
+#define WHOLE_NOTE(note)               MUSICAL_NOTE(note, 64)
+#define HALF_NOTE(note)                MUSICAL_NOTE(note, 32)
+#define QUARTER_NOTE(note)             MUSICAL_NOTE(note, 16)
+#define EIGHTH_NOTE(note)              MUSICAL_NOTE(note,  8)
+#define SIXTEENTH_NOTE(note)           MUSICAL_NOTE(note,  4)
+
+#define WHOLE_DOT_NOTE(note)           MUSICAL_NOTE(note, 64+32)
+#define HALF_DOT_NOTE(note)            MUSICAL_NOTE(note, 32+16)
+#define QUARTER_DOT_NOTE(note)         MUSICAL_NOTE(note, 16+8)
+#define EIGHTH_DOT_NOTE(note)          MUSICAL_NOTE(note,  8+4)
+#define SIXTEENTH_DOT_NOTE(note)       MUSICAL_NOTE(note,  4+2)
+
+// Note Type Shortcuts
+#define M__NOTE(note, duration)        MUSICAL_NOTE(note, duration)
+#define W__NOTE(n)                     WHOLE_NOTE(n)
+#define H__NOTE(n)                     HALF_NOTE(n)
+#define Q__NOTE(n)                     QUARTER_NOTE(n)
+#define E__NOTE(n)                     EIGHTH_NOTE(n)
+#define S__NOTE(n)                     SIXTEENTH_NOTE(n)
+#define WD_NOTE(n)                     WHOLE_DOT_NOTE(n)
+#define HD_NOTE(n)                     HALF_DOT_NOTE(n)
+#define QD_NOTE(n)                     QUARTER_DOT_NOTE(n)
+#define ED_NOTE(n)                     EIGHTH_DOT_NOTE(n)
+#define SD_NOTE(n)                     SIXTEENTH_DOT_NOTE(n)
+
+// Note Styles
+// Staccato makes sure there is a rest between each note. Think: TA TA TA
+// Legato makes notes flow together. Think: TAAA
+#define STACCATO 0.01
+#define LEGATO   0
+
+// Note Timbre
+// Changes how the notes sound
+#define TIMBRE_12       0.125
+#define TIMBRE_25       0.250
+#define TIMBRE_50       0.500
+#define TIMBRE_75       0.750
+#define TIMBRE_DEFAULT  TIMBRE_50
+
+
+// Notes - # = Octave
+
+#define NOTE_REST         0.00
+
+/* These notes are currently bugged
+#define NOTE_C0          16.35
+#define NOTE_CS0         17.32
+#define NOTE_D0          18.35
+#define NOTE_DS0         19.45
+#define NOTE_E0          20.60
+#define NOTE_F0          21.83
+#define NOTE_FS0         23.12
+#define NOTE_G0          24.50
+#define NOTE_GS0         25.96
+#define NOTE_A0          27.50
+#define NOTE_AS0         29.14
+#define NOTE_B0          30.87
+#define NOTE_C1          32.70
+#define NOTE_CS1         34.65
+#define NOTE_D1          36.71
+#define NOTE_DS1         38.89
+#define NOTE_E1          41.20
+#define NOTE_F1          43.65
+#define NOTE_FS1         46.25
+#define NOTE_G1          49.00
+#define NOTE_GS1         51.91
+#define NOTE_A1          55.00
+#define NOTE_AS1         58.27
+*/
+
+#define NOTE_B1          61.74
+#define NOTE_C2          65.41
+#define NOTE_CS2         69.30
+#define NOTE_D2          73.42
+#define NOTE_DS2         77.78
+#define NOTE_E2          82.41
+#define NOTE_F2          87.31
+#define NOTE_FS2         92.50
+#define NOTE_G2          98.00
+#define NOTE_GS2        103.83
+#define NOTE_A2         110.00
+#define NOTE_AS2        116.54
+#define NOTE_B2         123.47
+#define NOTE_C3         130.81
+#define NOTE_CS3        138.59
+#define NOTE_D3         146.83
+#define NOTE_DS3        155.56
+#define NOTE_E3         164.81
+#define NOTE_F3         174.61
+#define NOTE_FS3        185.00
+#define NOTE_G3         196.00
+#define NOTE_GS3        207.65
+#define NOTE_A3         220.00
+#define NOTE_AS3        233.08
+#define NOTE_B3         246.94
+#define NOTE_C4         261.63
+#define NOTE_CS4        277.18
+#define NOTE_D4         293.66
+#define NOTE_DS4        311.13
+#define NOTE_E4         329.63
+#define NOTE_F4         349.23
+#define NOTE_FS4        369.99
+#define NOTE_G4         392.00
+#define NOTE_GS4        415.30
+#define NOTE_A4         440.00
+#define NOTE_AS4        466.16
+#define NOTE_B4         493.88
+#define NOTE_C5         523.25
+#define NOTE_CS5        554.37
+#define NOTE_D5         587.33
+#define NOTE_DS5        622.25
+#define NOTE_E5         659.26
+#define NOTE_F5         698.46
+#define NOTE_FS5        739.99
+#define NOTE_G5         783.99
+#define NOTE_GS5        830.61
+#define NOTE_A5         880.00
+#define NOTE_AS5        932.33
+#define NOTE_B5         987.77
+#define NOTE_C6        1046.50
+#define NOTE_CS6       1108.73
+#define NOTE_D6        1174.66
+#define NOTE_DS6       1244.51
+#define NOTE_E6        1318.51
+#define NOTE_F6        1396.91
+#define NOTE_FS6       1479.98
+#define NOTE_G6        1567.98
+#define NOTE_GS6       1661.22
+#define NOTE_A6        1760.00
+#define NOTE_AS6       1864.66
+#define NOTE_B6        1975.53
+#define NOTE_C7        2093.00
+#define NOTE_CS7       2217.46
+#define NOTE_D7        2349.32
+#define NOTE_DS7       2489.02
+#define NOTE_E7        2637.02
+#define NOTE_F7        2793.83
+#define NOTE_FS7       2959.96
+#define NOTE_G7        3135.96
+#define NOTE_GS7       3322.44
+#define NOTE_A7        3520.00
+#define NOTE_AS7       3729.31
+#define NOTE_B7        3951.07
+#define NOTE_C8        4186.01