Merge https://github.com/jackhumbert/qmk_firmware

20 files changed, 1259 insertions, 211 deletions

diff --git a/quantum/audio.c b/quantum/audio/audio.c
index 6bd6532a3a..e85370d958 100644
--- a/quantum/audio.c
+++ b/quantum/audio/audio.c
@@ -4,23 +4,29 @@
 #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
 
-// #define PWM_AUDIO
-
 #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) {
@@ -31,35 +37,31 @@ void delay_us(int count) {
 
 int voices = 0;
 int voice_place = 0;
-double frequency = 0;
+float 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};
+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;
-int value = 128;
 float place = 0;
-float places[8] = {0, 0, 0, 0, 0, 0, 0, 0};
 
-uint16_t place_int = 0;
-bool repeat = true;
 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];
-uint8_t notes_length;
+uint16_t notes_count;
 bool notes_repeat;
 float notes_rest;
 bool note_resting = false;
@@ -67,26 +69,157 @@ 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_write_audio(audio_config.raw);
+    eeconfig_update_audio(audio_config.raw);
 }
 
 void audio_on(void) {
     audio_config.enable = 1;
-    eeconfig_write_audio(audio_config.raw);
+    eeconfig_update_audio(audio_config.raw);
 }
 
 void audio_off(void) {
     audio_config.enable = 0;
-    eeconfig_write_audio(audio_config.raw);
+    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);
@@ -105,8 +238,11 @@ void stop_all_notes() {
     }
 }
 
-void stop_note(double freq) {
+void stop_note(float freq) {
     if (note) {
+        if (!inited) {
+            audio_init();
+        }
         #ifdef PWM_AUDIO
             freq = freq / SAMPLE_RATE;
         #endif
@@ -120,11 +256,15 @@ void stop_note(double freq) {
                     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);
@@ -135,66 +275,29 @@ void stop_note(double freq) {
             frequency = 0;
             volume = 0;
             note = false;
-        } else {
-            double freq = frequencies[voices - 1];
-            int vol = volumes[voices - 1];
-            double starting_f = frequency;
-            if (frequency < freq) {
-                sliding = true;
-                for (double f = starting_f; f <= freq; f += ((freq - starting_f) / 2000.0)) {
-                    frequency = f;
-                }
-                sliding = false;
-            } else if (frequency > freq) {
-                sliding = true;
-                for (double f = starting_f; f >= freq; f -= ((starting_f - freq) / 2000.0)) {
-                    frequency = f;
-                }
-                sliding = false;
-            }
-            frequency = freq;
-            volume = vol;
         }
     }
 }
 
-void init_notes() {
-
-    /* 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;
+#ifdef VIBRATO_ENABLE
 
-        /* Enable the OC4A output */
-        DDRC |= _BV(PORTC6);
-
-        TIMSK3 &= ~_BV(OCIE3A); // Turn off 3A interputs
+float mod(float a, int b)
+{
+    float r = fmod(a, b);
+    return r < 0 ? r + b : r;
+}
 
-        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
+float vibrato(float average_freq) {
+    #ifdef VIBRATO_STRENGTH_ENABLE
+        float vibrated_freq = average_freq * pow(VIBRATO_LUT[(int)vibrato_counter], vibrato_strength);
     #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);
+        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) {
@@ -246,22 +349,55 @@ ISR(TIMER3_COMPA_vect) {
                 OCR4A = sum;
             }
         #else
-            if (frequency > 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
-                voice_place %= voices;
-                if (place > (frequencies[voice_place] / 50)) {
-                    voice_place = (voice_place + 1) % voices;
-                    place = 0.0;
+            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;
+                    } 
                 }
-                ICR3 = (int)(((double)F_CPU) / (frequencies[voice_place] * CPU_PRESCALER)); // Set max to 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++;
+
+                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
     }
@@ -287,8 +423,25 @@ 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)) >> 1; // Set compare to half the period
+                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;
@@ -304,7 +457,7 @@ ISR(TIMER3_COMPA_vect) {
             end_of_note = (note_position >= (note_length * 0x7FF));
         if (end_of_note) {
             current_note++;
-            if (current_note >= notes_length) {
+            if (current_note >= notes_count) {
                 if (notes_repeat) {
                     current_note = 0;
                 } else {
@@ -327,10 +480,11 @@ ISR(TIMER3_COMPA_vect) {
                 note_resting = false;
                 #ifdef PWM_AUDIO
                     note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
-                    note_length = (*notes_pointer)[current_note][1];
+                    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_length = ((*notes_pointer)[current_note][1] / 4) * (note_tempo / 100);
                 #endif
             }
             note_position = 0;
@@ -344,15 +498,53 @@ ISR(TIMER3_COMPA_vect) {
     }
 }
 
-void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat, float n_rest) {
+void play_note(float freq, int vol) {
 
-if (audio_config.enable) {
+    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_length = n_length;
+    notes_count = n_count;
     notes_repeat = n_repeat;
     notes_rest = n_rest;
 
@@ -360,10 +552,10 @@ if (audio_config.enable) {
     current_note = 0;
     #ifdef PWM_AUDIO
         note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
-        note_length = (*notes_pointer)[current_note][1];
+        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_length = ((*notes_pointer)[current_note][1] / 4) * (note_tempo / 100);
     #endif
     note_position = 0;
 
@@ -374,69 +566,42 @@ if (audio_config.enable) {
         TIMSK3 |= _BV(OCIE3A);
         TCCR3A |= _BV(COM3A1);
     #endif
-
-    notes = true;
 }
 
 }
 
+#ifdef PWM_AUDIO
 void play_sample(uint8_t * s, uint16_t l, bool r) {
+    if (!inited) {
+        audio_init();
+    }
 
-if (audio_config.enable) {
-
-    stop_all_notes();
-    place_int = 0;
-    sample = s;
-    sample_length = l;
-    repeat = r;
+    if (audio_config.enable) {
+        TIMSK3 &= ~_BV(OCIE3A);
+        stop_all_notes();
+        place_int = 0;
+        sample = s;
+        sample_length = l;
+        repeat = r;
 
-    #ifdef PWM_AUDIO
         TIMSK3 |= _BV(OCIE3A);
-    #else
-    #endif
-
+    }
 }
+#endif
 
+//------------------------------------------------------------------------------
+// Override these functions in your keymap file to play different tunes on
+// startup and bootloader jump
+__attribute__ ((weak))
+void play_startup_tone()
+{
 }
 
-void play_note(double freq, int vol) {
 
-if (audio_config.enable && voices < 8) {
 
-    if (notes)
-        stop_all_notes();
-    #ifdef PWM_AUDIO
-        freq = freq / SAMPLE_RATE;
-    #endif
-    if (freq > 0) {
-        if (frequency != 0) {
-            double starting_f = frequency;
-            if (frequency < freq) {
-                for (double f = starting_f; f <= freq; f += ((freq - starting_f) / 2000.0)) {
-                    frequency = f;
-                }
-            } else if (frequency > freq) {
-                for (double f = starting_f; f >= freq; f -= ((starting_f - freq) / 2000.0)) {
-                    frequency = f;
-                }
-            }
-        }
-        frequency = freq;
-        volume = vol;
+__attribute__ ((weak))
+void play_goodbye_tone()
+{
 
-        frequencies[voices] = frequency;
-        volumes[voices] = volume;
-        voices++;
-    }
-
-    #ifdef PWM_AUDIO
-        TIMSK3 |= _BV(OCIE3A);
-    #else
-        TIMSK3 |= _BV(OCIE3A);
-        TCCR3A |= _BV(COM3A1);
-    #endif
-
-    note = true;
 }
-
-}
\ No newline at end of file
+//------------------------------------------------------------------------------
diff --git a/quantum/audio.h b/quantum/audio/audio.h
index e1bc23ffed..89769507e1 100644
--- a/quantum/audio.h
+++ b/quantum/audio/audio.h
@@ -3,10 +3,20 @@
 #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 {
@@ -19,13 +29,47 @@ 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);
-void play_note(double freq, int vol);
-void stop_note(double freq);
+#endif
+void play_note(float freq, int vol);
+void stop_note(float freq);
 void stop_all_notes(void);
-void init_notes(void);
-void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat, float n_rest);
-
+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), \
@@ -36,8 +80,10 @@ void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat, float n_rest)
 // 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) ((int)(sizeof(x) / (sizeof(x[0]))))
+#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/musical_notes.h b/quantum/audio/musical_notes.h
index 837f6a069d..b08d16a6fa 100644
--- a/quantum/musical_notes.h
+++ b/quantum/audio/musical_notes.h
@@ -2,22 +2,38 @@
 #define MUSICAL_NOTES_H
 
 // Tempo Placeholder
-#define TEMPO 120
+#define TEMPO_DEFAULT 100
+
+
+#define SONG(notes...) { notes }
 
 
 // Note Types
-#define WHOLE_NOTE(note)     {(NOTE##note), 64}
-#define HALF_NOTE(note)      {(NOTE##note), 32}
-#define QUARTER_NOTE(note)   {(NOTE##note), 16}
-#define EIGHTH_NOTE(note)    {(NOTE##note), 8}
-#define SIXTEENTH_NOTE(note) {(NOTE##note), 4}
-
-// Note Types Short
-#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) EIGTH_NOTE(n)
-#define S_NOTE(n) SIXTEENTH_NOTE(n)
+#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
@@ -25,8 +41,20 @@
 #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
@@ -50,6 +78,8 @@
 #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
diff --git a/quantum/audio/song_list.h b/quantum/audio/song_list.h
new file mode 100644
index 0000000000..fc6fcdeef1
--- /dev/null
+++ b/quantum/audio/song_list.h
@@ -0,0 +1,117 @@
+#include "musical_notes.h"
+
+#ifndef SONG_LIST_H
+#define SONG_LIST_H
+
+#define ODE_TO_JOY                                          \
+    Q__NOTE(_E4), Q__NOTE(_E4), Q__NOTE(_F4), Q__NOTE(_G4), \
+    Q__NOTE(_G4), Q__NOTE(_F4), Q__NOTE(_E4), Q__NOTE(_D4), \
+    Q__NOTE(_C4), Q__NOTE(_C4), Q__NOTE(_D4), Q__NOTE(_E4), \
+    QD_NOTE(_E4), E__NOTE(_D4), H__NOTE(_D4),
+
+#define ROCK_A_BYE_BABY                            \
+    QD_NOTE(_B4), E__NOTE(_D4), Q__NOTE(_B5),      \
+    H__NOTE(_A5), Q__NOTE(_G5),                    \
+    QD_NOTE(_B4), E__NOTE(_D5), Q__NOTE(_G5),      \
+    H__NOTE(_FS5),
+
+#define CLOSE_ENCOUNTERS_5_NOTE  \
+	Q__NOTE(_D5),                \
+	Q__NOTE(_E5),                \
+	Q__NOTE(_C5),                \
+	Q__NOTE(_C4),                \
+	Q__NOTE(_G4),
+
+#define DOE_A_DEER              \
+	QD_NOTE(_C4), E__NOTE(_D4), \
+	QD_NOTE(_E4), E__NOTE(_C4), \
+	Q__NOTE(_E4), Q__NOTE(_C4), \
+	Q__NOTE(_E4),
+
+#define GOODBYE_SOUND \
+    E__NOTE(_E7),     \
+    E__NOTE(_A6),     \
+    ED_NOTE(_E6),
+
+#define STARTUP_SOUND  \
+    ED_NOTE(_E7 ),     \
+    E__NOTE(_CS7),     \
+    E__NOTE(_E6 ),     \
+    E__NOTE(_A6 ),     \
+    M__NOTE(_CS7, 20),
+
+#define QWERTY_SOUND \
+    E__NOTE(_GS6 ),  \
+    E__NOTE(_A6  ),  \
+    S__NOTE(_REST),  \
+    Q__NOTE(_E7  ),
+
+#define COLEMAK_SOUND \
+    E__NOTE(_GS6 ),   \
+    E__NOTE(_A6  ),   \
+    S__NOTE(_REST),   \
+    ED_NOTE(_E7  ),   \
+    S__NOTE(_REST),   \
+    ED_NOTE(_GS7 ),
+
+#define DVORAK_SOUND \
+    E__NOTE(_GS6 ),  \
+    E__NOTE(_A6  ),  \
+    S__NOTE(_REST),  \
+    E__NOTE(_E7  ),  \
+    S__NOTE(_REST),  \
+    E__NOTE(_FS7 ),  \
+    S__NOTE(_REST),  \
+    E__NOTE(_E7  ),
+
+#define PLOVER_SOUND \
+    E__NOTE(_GS6 ),  \
+    E__NOTE(_A6  ),  \
+    S__NOTE(_REST),  \
+    ED_NOTE(_E7  ),  \
+    S__NOTE(_REST),  \
+    ED_NOTE(_A7  ),
+
+#define PLOVER_GOODBYE_SOUND \
+    E__NOTE(_GS6 ),  \
+    E__NOTE(_A6  ),  \
+    S__NOTE(_REST),  \
+    ED_NOTE(_A7  ),  \
+    S__NOTE(_REST),  \
+    ED_NOTE(_E7  ),
+
+#define MUSIC_SCALE_SOUND \
+    E__NOTE(_A5 ),        \
+    E__NOTE(_B5 ),        \
+    E__NOTE(_CS6),        \
+    E__NOTE(_D6 ),        \
+    E__NOTE(_E6 ),        \
+    E__NOTE(_FS6),        \
+    E__NOTE(_GS6),        \
+    E__NOTE(_A6 ),
+
+#define CAPS_LOCK_ON_SOUND \
+    E__NOTE(_A3),          \
+    E__NOTE(_B3),
+
+#define CAPS_LOCK_OFF_SOUND \
+    E__NOTE(_B3),           \
+    E__NOTE(_A3),
+
+#define SCROLL_LOCK_ON_SOUND \
+    E__NOTE(_D4),            \
+    E__NOTE(_E4),
+
+#define SCROLL_LOCK_OFF_SOUND \
+    E__NOTE(_E4),             \
+    E__NOTE(_D4),
+
+#define NUM_LOCK_ON_SOUND \
+    E__NOTE(_D5),         \
+    E__NOTE(_E5),
+
+#define NUM_LOCK_OFF_SOUND \
+    E__NOTE(_E5),          \
+    E__NOTE(_D5),
+
+#endif
diff --git a/quantum/audio/vibrato_lut.h b/quantum/audio/vibrato_lut.h
new file mode 100644
index 0000000000..a2b1f3e5ce
--- /dev/null
+++ b/quantum/audio/vibrato_lut.h
@@ -0,0 +1,28 @@
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <avr/pgmspace.h>
+
+#define VIBRATO_LUT_LENGTH 20
+
+const float VIBRATO_LUT[VIBRATO_LUT_LENGTH] = { \
+1.00223368114872,
+1.00425299436105,
+1.00585842560279,
+1.00689052852052,
+1.0072464122237,
+1.00689052852052,
+1.00585842560279,
+1.00425299436105,
+1.00223368114872,
+1,
+0.99777129706302,
+0.99576501699778,
+0.994175695650927,
+0.993156625943589,
+0.992805720491269,
+0.993156625943589,
+0.994175695650927,
+0.99576501699778,
+0.99777129706302,
+1
+};
\ No newline at end of file
diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c
new file mode 100644
index 0000000000..d2316ba1b3
--- /dev/null
+++ b/quantum/audio/voices.c
@@ -0,0 +1,163 @@
+#include "voices.h"
+#include "stdlib.h"
+#include "vibrato_lut.h"
+
+// these are imported from audio.c
+extern uint16_t envelope_index;
+extern float note_timbre;
+extern float polyphony_rate;
+
+voice_type voice = default_voice;
+
+void set_voice(voice_type v) {
+    voice = v;
+}
+
+void voice_iterate() {
+    voice = (voice + 1) % number_of_voices;
+}
+
+void voice_deiterate() {
+    voice = (voice - 1) % number_of_voices;
+}
+
+float voice_envelope(float frequency) {
+    // envelope_index ranges from 0 to 0xFFFF, which is preserved at 880.0 Hz
+    uint16_t compensated_index = (uint16_t)((float)envelope_index * (880.0 / frequency));
+
+    switch (voice) {
+        case default_voice:
+            note_timbre = TIMBRE_50;
+            polyphony_rate = 0;
+	        break;
+
+        case butts_fader:
+            polyphony_rate = 0;
+            switch (compensated_index) {
+                case 0 ... 9:
+                    frequency = frequency / 4;
+                    note_timbre = TIMBRE_12;
+	                break;
+
+                case 10 ... 19:
+                    frequency = frequency / 2;
+                    note_timbre = TIMBRE_12;
+	                break;
+
+                case 20 ... 200:
+                    note_timbre = .125 - pow(((float)compensated_index - 20) / (200 - 20), 2)*.125;
+	                break;
+
+                default:
+                    note_timbre = 0;
+                	break;
+            }
+    	    break;
+
+        // case octave_crunch:
+        //     polyphony_rate = 0;
+        //     switch (compensated_index) {
+        //         case 0 ... 9:
+        //         case 20 ... 24:
+        //         case 30 ... 32:
+        //             frequency = frequency / 2;
+        //             note_timbre = TIMBRE_12;
+        //         break;
+
+        //         case 10 ... 19:
+        //         case 25 ... 29:
+        //         case 33 ... 35:
+        //             frequency = frequency * 2;
+        //             note_timbre = TIMBRE_12;
+	       //          break;
+
+        //         default:
+        //             note_timbre = TIMBRE_12;
+        //         	break;
+        //     }
+	       //  break;
+
+        case duty_osc:
+            // This slows the loop down a substantial amount, so higher notes may freeze
+            polyphony_rate = 0;
+            switch (compensated_index) {
+                default:
+                    #define OCS_SPEED 10
+                    #define OCS_AMP   .25
+                    // sine wave is slow
+                    // note_timbre = (sin((float)compensated_index/10000*OCS_SPEED) * OCS_AMP / 2) + .5;
+                    // triangle wave is a bit faster
+                    note_timbre = (float)abs((compensated_index*OCS_SPEED % 3000) - 1500) * ( OCS_AMP / 1500 ) + (1 - OCS_AMP) / 2;
+                	break;
+            }
+	        break;
+
+        case duty_octave_down:
+            polyphony_rate = 0;
+            note_timbre = (envelope_index % 2) * .125 + .375 * 2;
+            if ((envelope_index % 4) == 0)
+                note_timbre = 0.5;
+            if ((envelope_index % 8) == 0)
+                note_timbre = 0;
+            break;
+        case delayed_vibrato:
+            polyphony_rate = 0;
+            note_timbre = TIMBRE_50;
+            #define VOICE_VIBRATO_DELAY 150
+            #define VOICE_VIBRATO_SPEED 50
+            switch (compensated_index) {
+                case 0 ... VOICE_VIBRATO_DELAY:
+                    break;
+                default:
+                    frequency = frequency * VIBRATO_LUT[(int)fmod((((float)compensated_index - (VOICE_VIBRATO_DELAY + 1))/1000*VOICE_VIBRATO_SPEED), VIBRATO_LUT_LENGTH)];
+                    break;
+            }
+            break;
+        // case delayed_vibrato_octave:
+        //     polyphony_rate = 0;
+        //     if ((envelope_index % 2) == 1) {
+        //         note_timbre = 0.55;
+        //     } else {
+        //         note_timbre = 0.45;
+        //     }
+        //     #define VOICE_VIBRATO_DELAY 150
+        //     #define VOICE_VIBRATO_SPEED 50
+        //     switch (compensated_index) {
+        //         case 0 ... VOICE_VIBRATO_DELAY:
+        //             break;
+        //         default:
+        //             frequency = frequency * VIBRATO_LUT[(int)fmod((((float)compensated_index - (VOICE_VIBRATO_DELAY + 1))/1000*VOICE_VIBRATO_SPEED), VIBRATO_LUT_LENGTH)];
+        //             break;
+        //     }
+        //     break;
+        // case duty_fifth_down:
+        //     note_timbre = 0.5;
+        //     if ((envelope_index % 3) == 0)
+        //         note_timbre = 0.75;
+        //     break;
+        // case duty_fourth_down:
+        //     note_timbre = 0.0;
+        //     if ((envelope_index % 12) == 0)
+        //         note_timbre = 0.75;
+        //     if (((envelope_index % 12) % 4) != 1)
+        //         note_timbre = 0.75;
+        //     break;
+        // case duty_third_down:
+        //     note_timbre = 0.5;
+        //     if ((envelope_index % 5) == 0)
+        //         note_timbre = 0.75;
+        //     break;
+        // case duty_fifth_third_down:
+        //     note_timbre = 0.5;
+        //     if ((envelope_index % 5) == 0)
+        //         note_timbre = 0.75;
+        //     if ((envelope_index % 3) == 0)
+        //         note_timbre = 0.25;
+        //     break;
+
+		default:
+   			break;
+    }
+
+    return frequency;
+}
\ No newline at end of file
diff --git a/quantum/audio/voices.h b/quantum/audio/voices.h
new file mode 100644
index 0000000000..74c873f42f
--- /dev/null
+++ b/quantum/audio/voices.h
@@ -0,0 +1,32 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include <avr/io.h>
+#include <util/delay.h>
+#include "musical_notes.h"
+#include "song_list.h"
+
+#ifndef VOICES_H
+#define VOICES_H
+
+float voice_envelope(float frequency);
+
+typedef enum {
+    default_voice,
+    butts_fader,
+    octave_crunch,
+    duty_osc,
+    duty_octave_down,
+    delayed_vibrato,
+    // delayed_vibrato_octave,
+    // duty_fifth_down,
+    // duty_fourth_down,
+    // duty_third_down,
+    // duty_fifth_third_down,
+    number_of_voices // important that this is last
+} voice_type;
+
+void set_voice(voice_type v);
+void voice_iterate(void);
+void voice_deiterate(void);
+
+#endif
\ No newline at end of file
diff --git a/quantum/wave.h b/quantum/audio/wave.h
index 6ebc348519..6ebc348519 100644
--- a/quantum/wave.h
+++ b/quantum/audio/wave.h
diff --git a/quantum/keymap_common.c b/quantum/keymap_common.c
index d38e6fdb20..4b4bd62109 100644
--- a/quantum/keymap_common.c
+++ b/quantum/keymap_common.c
@@ -26,6 +26,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "backlight.h"
 #include "keymap_midi.h"
 #include "bootloader.h"
+#include "eeconfig.h"
 
 extern keymap_config_t keymap_config;
 
@@ -33,22 +34,14 @@ extern keymap_config_t keymap_config;
 #include <inttypes.h>
 #ifdef AUDIO_ENABLE
     #include "audio.h"
-    #ifndef TONE_GOODBYE
-    #define TONE_GOODBYE { \
-        {440.0*pow(2.0,(31)/12.0), 8}, \
-        {440.0*pow(2.0,(24)/12.0), 8}, \
-        {440.0*pow(2.0,(19)/12.0), 12}, \
-    } 
-    #endif
-    float tone_goodbye[][2] = TONE_GOODBYE;
-#endif
+#endif /* AUDIO_ENABLE */
 
 static action_t keycode_to_action(uint16_t keycode);
 
 /* converts key to action */
 action_t action_for_key(uint8_t layer, keypos_t key)
 {
-	// 16bit keycodes - important
+    // 16bit keycodes - important
     uint16_t keycode = keymap_key_to_keycode(layer, key);
 
     switch (keycode) {
@@ -191,7 +184,8 @@ static action_t keycode_to_action(uint16_t keycode)
         case RESET: ; // RESET is 0x5000, which is why this is here
             clear_keyboard();
             #ifdef AUDIO_ENABLE
-                PLAY_NOTE_ARRAY(tone_goodbye, false, 0);
+                stop_all_notes();
+                play_goodbye_tone();
             #endif
             _delay_ms(250);
             #ifdef ATREUS_ASTAR
@@ -251,7 +245,7 @@ static action_t keycode_to_action(uint16_t keycode)
                 keymap_config.swap_lalt_lgui = 0;
                 keymap_config.swap_ralt_rgui = 0;
             }
-            eeconfig_write_keymap(keymap_config.raw);
+            eeconfig_update_keymap(keymap_config.raw);
             break;
         case 0x5100 ... 0x5FFF: ;
             // Layer movement shortcuts
@@ -304,7 +298,7 @@ static action_t keycode_to_action(uint16_t keycode)
 /* translates key to keycode */
 uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
 {
-	// Read entire word (16bits)
+    // Read entire word (16bits)
     return pgm_read_word(&keymaps[(layer)][(key.row)][(key.col)]);
 }
 
@@ -316,7 +310,7 @@ action_t keymap_fn_to_action(uint16_t keycode)
 
 action_t keymap_func_to_action(uint16_t keycode)
 {
-	// For FUNC without 8bit limit
+    // For FUNC without 8bit limit
     return (action_t){ .code = pgm_read_word(&fn_actions[(int)keycode]) };
 }
 
diff --git a/quantum/keymap_common.h b/quantum/keymap_common.h
index ce87e4770e..0ede0296b9 100644
--- a/quantum/keymap_common.h
+++ b/quantum/keymap_common.h
@@ -213,7 +213,7 @@ extern const uint16_t fn_actions[];
 #define GUI_T(kc) MT(0x8, kc)
 #define C_S_T(kc) MT(0x3, kc) // Control + Shift e.g. for gnome-terminal
 #define MEH_T(kc) MT(0x7, kc) // Meh is a less hyper version of the Hyper key -- doesn't include Win or Cmd, so just alt+shift+ctrl
-#define LCAG_T(kc) MT(0xD, kc) // Left control alt and gui 
+#define LCAG_T(kc) MT(0xD, kc) // Left control alt and gui
 #define ALL_T(kc) MT(0xF, kc) // see http://brettterpstra.com/2012/12/08/a-useful-caps-lock-key/
 
 // Dedicated keycode versions for Hyper and Meh, if you want to use them as standalone keys rather than mod-tap
@@ -231,8 +231,8 @@ extern const uint16_t fn_actions[];
 
 // For tri-layer
 void update_tri_layer(uint8_t layer1, uint8_t layer2, uint8_t layer3);
-#define IS_LAYER_ON(layer)  ((layer_state) & (1UL<<(layer)))
-#define IS_LAYER_OFF(layer) ((!layer_state) & (1UL<<(layer)))
+#define IS_LAYER_ON(layer)  (layer_state & (1UL << (layer)))
+#define IS_LAYER_OFF(layer) (~layer_state & (1UL << (layer)))
 
 
 #endif
diff --git a/quantum/keymap_extras/keymap_german_osx.h b/quantum/keymap_extras/keymap_german_osx.h
index d0b77fb803..ee725bad5e 100644
--- a/quantum/keymap_extras/keymap_german_osx.h
+++ b/quantum/keymap_extras/keymap_german_osx.h
@@ -85,8 +85,8 @@
 #define DE_OSX_UNDS LSFT(DE_OSX_MINS) // _
 
 // Alt-ed characters
-#define DE_OSX_SQ2 LALT(KC_2) // ²
-#define DE_OSX_SQ3 LALT(KC_3) // ³
+//#define DE_OSX_SQ2 LALT(KC_2) // ²
+//#define DE_OSX_SQ3 LALT(KC_3) // ³
 #define DE_OSX_LCBR LALT(KC_8) // {
 #define DE_OSX_LBRC LALT(KC_5) // [
 #define DE_OSX_RBRC LALT(KC_6) // ]
diff --git a/quantum/keymap_extras/keymap_plover.h b/quantum/keymap_extras/keymap_plover.h
new file mode 100644
index 0000000000..98e57ab7b1
--- /dev/null
+++ b/quantum/keymap_extras/keymap_plover.h
@@ -0,0 +1,32 @@
+#ifndef KEYMAP_PLOVER_H
+#define KEYMAP_PLOVER_H
+
+#include "keymap_common.h"
+
+#define PV_NUM  KC_1
+#define PV_LS   KC_Q
+#define PV_LT   KC_W
+#define PV_LP   KC_E
+#define PV_LH   KC_R
+#define PV_LK   KC_S
+#define PV_LW   KC_D
+#define PV_LR   KC_F
+
+#define PV_STAR KC_Y
+#define PV_RF   KC_U
+#define PV_RP   KC_I
+#define PV_RL   KC_O
+#define PV_RT   KC_P
+#define PV_RD   KC_LBRC
+#define PV_RR   KC_J
+#define PV_RB   KC_K
+#define PV_RG   KC_L
+#define PV_RS   KC_SCLN
+#define PV_RZ   KC_QUOT
+
+#define PV_A    KC_C
+#define PV_O    KC_V
+#define PV_E    KC_N
+#define PV_U    KC_M
+
+#endif
diff --git a/quantum/led.c b/quantum/led.c
index 9cdb8a5c20..208e348f34 100644
--- a/quantum/led.c
+++ b/quantum/led.c
@@ -24,6 +24,7 @@ void led_set_kb(uint8_t usb_led) {
 
 }
 
+__attribute__ ((weak))
 void led_set(uint8_t usb_led)
 {
 
diff --git a/quantum/quantum.mk b/quantum/quantum.mk
index 1fe7390eba..83c4f1d1db 100644
--- a/quantum/quantum.mk
+++ b/quantum/quantum.mk
@@ -28,7 +28,7 @@ ifeq ($(strip $(MIDI_ENABLE)), yes)
 endif
 
 ifeq ($(strip $(AUDIO_ENABLE)), yes)
-	SRC += $(QUANTUM_DIR)/audio.c
+	SRC += $(QUANTUM_DIR)/audio/audio.c $(QUANTUM_DIR)/audio/voices.c
 endif
 
 ifeq ($(strip $(UNICODE_ENABLE)), yes)
@@ -47,6 +47,7 @@ endif
 # Search Path
 VPATH += $(TOP_DIR)/$(QUANTUM_DIR)
 VPATH += $(TOP_DIR)/$(QUANTUM_DIR)/keymap_extras
+VPATH += $(TOP_DIR)/$(QUANTUM_DIR)/audio
 
 include $(TMK_DIR)/protocol/lufa.mk
 
diff --git a/quantum/rgblight.c b/quantum/rgblight.c
index 2215cf5cdf..8c9ad77364 100644
--- a/quantum/rgblight.c
+++ b/quantum/rgblight.c
@@ -107,17 +107,17 @@ void setrgb(uint8_t r, uint8_t g, uint8_t b, struct cRGB *led1) {
 uint32_t eeconfig_read_rgblight(void) {
   return eeprom_read_dword(EECONFIG_RGBLIGHT);
 }
-void eeconfig_write_rgblight(uint32_t val) {
-  eeprom_write_dword(EECONFIG_RGBLIGHT, val);
+void eeconfig_update_rgblight(uint32_t val) {
+  eeprom_update_dword(EECONFIG_RGBLIGHT, val);
 }
-void eeconfig_write_rgblight_default(void) {
-	dprintf("eeconfig_write_rgblight_default\n");
+void eeconfig_update_rgblight_default(void) {
+	dprintf("eeconfig_update_rgblight_default\n");
 	rgblight_config.enable = 1;
 	rgblight_config.mode = 1;
 	rgblight_config.hue = 200;
 	rgblight_config.sat = 204;
 	rgblight_config.val = 204;
-	eeconfig_write_rgblight(rgblight_config.raw);
+	eeconfig_update_rgblight(rgblight_config.raw);
 }
 void eeconfig_debug_rgblight(void) {
 	dprintf("rgblight_config eprom\n");
@@ -136,12 +136,12 @@ void rgblight_init(void) {
   if (!eeconfig_is_enabled()) {
 		dprintf("rgblight_init eeconfig is not enabled.\n");
     eeconfig_init();
-		eeconfig_write_rgblight_default();
+		eeconfig_update_rgblight_default();
   }
   rgblight_config.raw = eeconfig_read_rgblight();
 	if (!rgblight_config.mode) {
 		dprintf("rgblight_init rgblight_config.mode = 0. Write default values to EEPROM.\n");
-		eeconfig_write_rgblight_default();
+		eeconfig_update_rgblight_default();
 		rgblight_config.raw = eeconfig_read_rgblight();
 	}
 	eeconfig_debug_rgblight(); // display current eeprom values
@@ -189,8 +189,8 @@ void rgblight_mode(uint8_t mode) {
 	} else {
 		rgblight_config.mode = mode;
 	}
-  eeconfig_write_rgblight(rgblight_config.raw);
-  dprintf("rgblight mode: %u\n", rgblight_config.mode);
+  eeconfig_update_rgblight(rgblight_config.raw);
+  xprintf("rgblight mode: %u\n", rgblight_config.mode);
 	if (rgblight_config.mode == 1) {
 		rgblight_timer_disable();
 	} else if (rgblight_config.mode >=2 && rgblight_config.mode <=23) {
@@ -206,8 +206,8 @@ void rgblight_mode(uint8_t mode) {
 
 void rgblight_toggle(void) {
   rgblight_config.enable ^= 1;
-  eeconfig_write_rgblight(rgblight_config.raw);
-  dprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config.enable);
+  eeconfig_update_rgblight(rgblight_config.raw);
+  xprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config.enable);
 	if (rgblight_config.enable) {
 		rgblight_mode(rgblight_config.mode);
 	} else {
@@ -299,8 +299,8 @@ void rgblight_sethsv(uint16_t hue, uint8_t sat, uint8_t val){
 		rgblight_config.hue = hue;
 		rgblight_config.sat = sat;
 		rgblight_config.val = val;
-		eeconfig_write_rgblight(rgblight_config.raw);
-		dprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
+		eeconfig_update_rgblight(rgblight_config.raw);
+		xprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
   }
 }
 
diff --git a/quantum/rgblight.h b/quantum/rgblight.h
index 9e1562328f..37e207578c 100644
--- a/quantum/rgblight.h
+++ b/quantum/rgblight.h
@@ -66,8 +66,8 @@ void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b);
 
 #define EECONFIG_RGBLIGHT (uint8_t *)7
 uint32_t eeconfig_read_rgblight(void);
-void eeconfig_write_rgblight(uint32_t val);
-void eeconfig_write_rgblight_default(void);
+void eeconfig_update_rgblight(uint32_t val);
+void eeconfig_update_rgblight_default(void);
 void eeconfig_debug_rgblight(void);
 
 void sethsv(uint16_t hue, uint8_t sat, uint8_t val, struct cRGB *led1);
diff --git a/quantum/template/Makefile b/quantum/template/Makefile
index 4fa195468d..1a535ef2cb 100644
--- a/quantum/template/Makefile
+++ b/quantum/template/Makefile
@@ -111,23 +111,41 @@ OPT_DEFS += -DBOOTLOADER_SIZE=512
 
 
 # Build Options
-#   comment out to disable the options.
-#
-BOOTMAGIC_ENABLE = yes		# Virtual DIP switch configuration(+1000)
-MOUSEKEY_ENABLE = yes		# Mouse keys(+4700)
-EXTRAKEY_ENABLE = yes		# Audio control and System control(+450)
-CONSOLE_ENABLE = yes		# Console for debug(+400)
-COMMAND_ENABLE = yes		# Commands for debug and configuration
-KEYBOARD_LOCK_ENABLE = yes	# Allow locking of keyboard via magic key
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes      # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE = yes       # Mouse keys(+4700)
+EXTRAKEY_ENABLE = yes       # Audio control and System control(+450)
+CONSOLE_ENABLE = yes        # Console for debug(+400)
+COMMAND_ENABLE = yes        # Commands for debug and configuration
+KEYBOARD_LOCK_ENABLE = yes  # Allow locking of keyboard via magic key
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
-# SLEEP_LED_ENABLE = yes	# Breathing sleep LED during USB suspend
-#NKRO_ENABLE = yes			# USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
-# BACKLIGHT_ENABLE = yes	# Enable keyboard backlight functionality
-# MIDI_ENABLE = YES			# MIDI controls
-# UNICODE_ENABLE = YES		# Unicode
-# BLUETOOTH_ENABLE = yes	# Enable Bluetooth with the Adafruit EZ-Key HID
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = no            # USB Nkey Rollover
+BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
+MIDI_ENABLE = no            # MIDI controls
+UNICODE_ENABLE = no         # Unicode
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+AUDIO_ENABLE = no           # Audio output on port C6
 
 
+ifdef KEYMAP
+
+ifeq ("$(wildcard keymaps/$(KEYMAP).c)","")
+ifneq ("$(wildcard keymaps/$(KEYMAP)/makefile.mk)","")
+    include keymaps/$(KEYMAP)/makefile.mk
+endif 
+endif
+
+else
+
+ifneq ("$(wildcard keymaps/default/makefile.mk)","")
+    include keymaps/default/makefile.mk
+endif
+
+endif
+
 # Optimize size but this may cause error "relocation truncated to fit"
 #EXTRALDFLAGS = -Wl,--relax
 
diff --git a/quantum/template/template.c b/quantum/template/template.c
index cc52e496ff..6050a2d20c 100644
--- a/quantum/template/template.c
+++ b/quantum/template/template.c
@@ -46,3 +46,64 @@ void led_set_kb(uint8_t usb_led) {
 
 	led_set_user(usb_led);
 }
+
+#ifdef BACKLIGHT_ENABLE
+#define CHANNEL OCR1C
+
+void backlight_init_ports()
+{
+
+    // Setup PB7 as output and output low.
+    DDRB |= (1<<7);
+    PORTB &= ~(1<<7);
+    
+    // Use full 16-bit resolution. 
+    ICR1 = 0xFFFF;
+
+    // I could write a wall of text here to explain... but TL;DW
+    // Go read the ATmega32u4 datasheet.
+    // And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
+    
+    // Pin PB7 = OCR1C (Timer 1, Channel C)
+    // Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
+    // (i.e. start high, go low when counter matches.)
+    // WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
+    // Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
+    
+    TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
+    TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
+
+    backlight_init();
+}
+
+void backlight_set(uint8_t level)
+{
+    if ( level == 0 )
+    {
+        // Turn off PWM control on PB7, revert to output low.
+        TCCR1A &= ~(_BV(COM1C1));
+        CHANNEL = 0x0;
+        // Prevent backlight blink on lowest level
+        PORTB &= ~(_BV(PORTB7));
+    }
+    else if ( level == BACKLIGHT_LEVELS )
+    {
+        // Prevent backlight blink on lowest level
+        PORTB &= ~(_BV(PORTB7));
+        // Turn on PWM control of PB7
+        TCCR1A |= _BV(COM1C1);
+        // Set the brightness
+        CHANNEL = 0xFFFF;
+    }
+    else        
+    {
+        // Prevent backlight blink on lowest level
+        PORTB &= ~(_BV(PORTB7));
+        // Turn on PWM control of PB7
+        TCCR1A |= _BV(COM1C1);
+        // Set the brightness
+        CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
+    }
+}
+
+#endif
\ No newline at end of file
diff --git a/quantum/template/template.h b/quantum/template/template.h
index b1c34d3cbe..22742105a3 100644
--- a/quantum/template/template.h
+++ b/quantum/template/template.h
@@ -3,7 +3,10 @@
 
 #include "matrix.h"
 #include "keymap_common.h"
-#include "backlight.h"
+#ifdef BACKLIGHT_ENABLE
+	#include "backlight.h"
+#endif
+#include <avr/io.h>
 #include <stddef.h>
 
 // This a shortcut to help you visually see your layout.