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-rw-r--r--quantum/process_keycode/process_audio.c62
-rw-r--r--quantum/process_keycode/process_audio.h11
-rw-r--r--quantum/process_keycode/process_midi.c292
-rw-r--r--quantum/process_keycode/process_midi.h225
-rw-r--r--quantum/process_keycode/process_music.c118
-rw-r--r--quantum/process_keycode/process_music.h6
6 files changed, 399 insertions, 315 deletions
diff --git a/quantum/process_keycode/process_audio.c b/quantum/process_keycode/process_audio.c
new file mode 100644
index 0000000000..0b6380ed39
--- /dev/null
+++ b/quantum/process_keycode/process_audio.c
@@ -0,0 +1,62 @@
+#include "audio.h"
+#include "process_audio.h"
+
+static float compute_freq_for_midi_note(uint8_t note)
+{
+    // https://en.wikipedia.org/wiki/MIDI_tuning_standard
+    return pow(2.0, (note - 69) / 12.0) * 440.0f;
+}
+
+bool process_audio(uint16_t keycode, keyrecord_t *record) {
+
+    if (keycode == AU_ON && record->event.pressed) {
+      audio_on();
+      return false;
+    }
+
+    if (keycode == AU_OFF && record->event.pressed) {
+      audio_off();
+      return false;
+    }
+
+    if (keycode == AU_TOG && record->event.pressed) {
+        if (is_audio_on())
+        {
+            audio_off();
+        }
+        else
+        {
+            audio_on();
+        }
+        return false;
+    }
+
+    if (keycode == MUV_IN && record->event.pressed) {
+        voice_iterate();
+        music_scale_user();
+        return false;
+    }
+
+    if (keycode == MUV_DE && record->event.pressed) {
+        voice_deiterate();
+        music_scale_user();
+        return false;
+    }
+
+    return true;
+}
+
+void process_audio_noteon(uint8_t note) {
+    play_note(compute_freq_for_midi_note(note), 0xF);
+}
+
+void process_audio_noteoff(uint8_t note) {
+    stop_note(compute_freq_for_midi_note(note));
+}
+
+void process_audio_all_notes_off(void) {
+    stop_all_notes();
+}
+
+__attribute__ ((weak))
+void audio_on_user() {}
\ No newline at end of file
diff --git a/quantum/process_keycode/process_audio.h b/quantum/process_keycode/process_audio.h
new file mode 100644
index 0000000000..7ac15b7330
--- /dev/null
+++ b/quantum/process_keycode/process_audio.h
@@ -0,0 +1,11 @@
+#ifndef PROCESS_AUDIO_H
+#define PROCESS_AUDIO_H
+
+bool process_audio(uint16_t keycode, keyrecord_t *record);
+void process_audio_noteon(uint8_t note);
+void process_audio_noteoff(uint8_t note);
+void process_audio_all_notes_off(void);
+
+void audio_on_user(void);
+
+#endif
\ No newline at end of file
diff --git a/quantum/process_keycode/process_midi.c b/quantum/process_keycode/process_midi.c
index 577dad43ac..700c6ce8e6 100644
--- a/quantum/process_keycode/process_midi.c
+++ b/quantum/process_keycode/process_midi.c
@@ -1,68 +1,238 @@
 #include "process_midi.h"
 
-bool midi_activated = false;
-uint8_t midi_starting_note = 0x0C;
-int midi_offset = 7;
-
-bool process_midi(uint16_t keycode, keyrecord_t *record) {
-    if (keycode == MI_ON && record->event.pressed) {
-      midi_activated = true;
-#ifdef AUDIO_ENABLE
-      music_scale_user();
-#endif
-      return false;
-    }
+#ifdef MIDI_ENABLE
+#include "midi.h"
+
+#ifdef MIDI_BASIC
+
+void process_midi_basic_noteon(uint8_t note) 
+{
+    midi_send_noteon(&midi_device, 0, note, 128);
+}
+
+void process_midi_basic_noteoff(uint8_t note)
+{
+    midi_send_noteoff(&midi_device, 0, note, 0);
+}
+
+void process_midi_all_notes_off(void)
+{
+    midi_send_cc(&midi_device, 0, 0x7B, 0);
+}
+
+#endif // MIDI_BASIC
+
+#ifdef MIDI_ADVANCED
+
+#include "timer.h"
+
+static uint8_t tone_status[MIDI_TONE_COUNT];
+
+static uint8_t midi_modulation;
+static int8_t midi_modulation_step;
+static uint16_t midi_modulation_timer;
+
+inline uint8_t compute_velocity(uint8_t setting)
+{
+    return (setting + 1) * (128 / (MIDI_VELOCITY_MAX - MIDI_VELOCITY_MIN + 1));
+}
 
-    if (keycode == MI_OFF && record->event.pressed) {
-      midi_activated = false;
-      midi_send_cc(&midi_device, 0, 0x7B, 0);
-      return false;
+void midi_init(void)
+{
+    midi_config.octave = MI_OCT_2 - MIDI_OCTAVE_MIN;
+    midi_config.transpose = 0;
+    midi_config.velocity = (MIDI_VELOCITY_MAX - MIDI_VELOCITY_MIN);
+    midi_config.channel = 0;
+    midi_config.modulation_interval = 8;
+
+    for (uint8_t i = 0; i < MIDI_TONE_COUNT; i++)
+    {
+        tone_status[i] = MIDI_INVALID_NOTE;
     }
 
-    if (midi_activated) {
-      if (record->event.key.col == (MATRIX_COLS - 1) && record->event.key.row == (MATRIX_ROWS - 1)) {
-          if (record->event.pressed) {
-              midi_starting_note++; // Change key
-              midi_send_cc(&midi_device, 0, 0x7B, 0);
-          }
-          return false;
-      }
-      if (record->event.key.col == (MATRIX_COLS - 2) && record->event.key.row == (MATRIX_ROWS - 1)) {
-          if (record->event.pressed) {
-              midi_starting_note--; // Change key
-              midi_send_cc(&midi_device, 0, 0x7B, 0);
-          }
-          return false;
-      }
-      if (record->event.key.col == (MATRIX_COLS - 3) && record->event.key.row == (MATRIX_ROWS - 1) && record->event.pressed) {
-          midi_offset++; // Change scale
-          midi_send_cc(&midi_device, 0, 0x7B, 0);
-          return false;
-      }
-      if (record->event.key.col == (MATRIX_COLS - 4) && record->event.key.row == (MATRIX_ROWS - 1) && record->event.pressed) {
-          midi_offset--; // Change scale
-          midi_send_cc(&midi_device, 0, 0x7B, 0);
-          return false;
-      }
-      // basic
-      // uint8_t note = (midi_starting_note + SCALE[record->event.key.col + midi_offset])+12*(MATRIX_ROWS - record->event.key.row);
-      // advanced
-      // uint8_t note = (midi_starting_note + record->event.key.col + midi_offset)+12*(MATRIX_ROWS - record->event.key.row);
-      // guitar
-      uint8_t note = (midi_starting_note + record->event.key.col + midi_offset)+5*(MATRIX_ROWS - record->event.key.row);
-      // violin
-      // uint8_t note = (midi_starting_note + record->event.key.col + midi_offset)+7*(MATRIX_ROWS - record->event.key.row);
-
-      if (record->event.pressed) {
-        // midi_send_noteon(&midi_device, record->event.key.row, midi_starting_note + SCALE[record->event.key.col], 127);
-        midi_send_noteon(&midi_device, 0, note, 127);
-      } else {
-        // midi_send_noteoff(&midi_device, record->event.key.row, midi_starting_note + SCALE[record->event.key.col], 127);
-        midi_send_noteoff(&midi_device, 0, note, 127);
-      }
-
-      if (keycode < 0xFF) // ignores all normal keycodes, but lets RAISE, LOWER, etc through
-        return false;
+    midi_modulation = 0;
+    midi_modulation_step = 0;
+    midi_modulation_timer = 0;
+}
+
+void midi_task(void)
+{
+    if (timer_elapsed(midi_modulation_timer) < midi_config.modulation_interval)
+        return;
+    midi_modulation_timer = timer_read();
+
+    if (midi_modulation_step != 0)
+    {
+        dprintf("midi modulation %d\n", midi_modulation);
+        midi_send_cc(&midi_device, midi_config.channel, 0x1, midi_modulation);
+
+        if (midi_modulation_step < 0 && midi_modulation < -midi_modulation_step) {
+            midi_modulation = 0;
+            midi_modulation_step = 0;
+            return;
+        }
+
+        midi_modulation += midi_modulation_step;
+
+        if (midi_modulation > 127)
+            midi_modulation = 127;
     }
-  return true;
 }
+
+uint8_t midi_compute_note(uint16_t keycode)
+{
+    return 12 * midi_config.octave + (keycode - MIDI_TONE_MIN) + midi_config.transpose;
+}
+
+bool process_midi(uint16_t keycode, keyrecord_t *record)
+{
+    switch (keycode) {
+        case MIDI_TONE_MIN ... MIDI_TONE_MAX:
+        {
+            uint8_t channel = midi_config.channel;
+            uint8_t tone = keycode - MIDI_TONE_MIN;
+            uint8_t velocity = compute_velocity(midi_config.velocity);
+            if (record->event.pressed) {
+                uint8_t note = midi_compute_note(keycode);
+                midi_send_noteon(&midi_device, channel, note, velocity);
+                dprintf("midi noteon channel:%d note:%d velocity:%d\n", channel, note, velocity);
+                tone_status[tone] = note;
+            }
+            else {
+                uint8_t note = tone_status[tone];
+                if (note != MIDI_INVALID_NOTE)
+                {
+                    midi_send_noteoff(&midi_device, channel, note, velocity);
+                    dprintf("midi noteoff channel:%d note:%d velocity:%d\n", channel, note, velocity);
+                }
+                tone_status[tone] = MIDI_INVALID_NOTE;
+            }
+            return false;
+        }
+        case MIDI_OCTAVE_MIN ... MIDI_OCTAVE_MAX:
+            if (record->event.pressed) {
+                midi_config.octave = keycode - MIDI_OCTAVE_MIN;
+                dprintf("midi octave %d\n", midi_config.octave);
+            }
+            return false;
+        case MI_OCTD:
+            if (record->event.pressed && midi_config.octave > 0) {
+                midi_config.octave--;
+                dprintf("midi octave %d\n", midi_config.octave);
+            }
+            return false;
+        case MI_OCTU:
+            if (record->event.pressed && midi_config.octave < (MIDI_OCTAVE_MAX - MIDI_OCTAVE_MIN)) {
+                midi_config.octave++;
+                dprintf("midi octave %d\n", midi_config.octave);
+            }
+            return false;
+        case MIDI_TRANSPOSE_MIN ... MIDI_TRANSPOSE_MAX:
+            if (record->event.pressed) {
+                midi_config.transpose = keycode - MI_TRNS_0;
+                dprintf("midi transpose %d\n", midi_config.transpose);
+            }
+            return false;
+        case MI_TRNSD:
+            if (record->event.pressed && midi_config.transpose > (MIDI_TRANSPOSE_MIN - MI_TRNS_0)) {
+                midi_config.transpose--;
+                dprintf("midi transpose %d\n", midi_config.transpose);
+            }
+            return false;
+        case MI_TRNSU:
+            if (record->event.pressed && midi_config.transpose < (MIDI_TRANSPOSE_MAX - MI_TRNS_0)) {
+                const bool positive = midi_config.transpose > 0;
+                midi_config.transpose++;
+                if (positive && midi_config.transpose < 0)
+                    midi_config.transpose--;
+                dprintf("midi transpose %d\n", midi_config.transpose);
+            }
+            return false;
+        case MIDI_VELOCITY_MIN ... MIDI_VELOCITY_MAX:
+            if (record->event.pressed) {
+                midi_config.velocity = keycode - MIDI_VELOCITY_MIN;
+                dprintf("midi velocity %d\n", midi_config.velocity);
+            }
+            return false;
+        case MI_VELD:
+            if (record->event.pressed && midi_config.velocity > 0) {
+                midi_config.velocity--;
+                dprintf("midi velocity %d\n", midi_config.velocity);
+            }
+            return false;
+        case MI_VELU:
+            if (record->event.pressed) {
+                midi_config.velocity++;
+                dprintf("midi velocity %d\n", midi_config.velocity);
+            }
+            return false;
+        case MIDI_CHANNEL_MIN ... MIDI_CHANNEL_MAX:
+            if (record->event.pressed) {
+                midi_config.channel = keycode - MIDI_CHANNEL_MIN;
+                dprintf("midi channel %d\n", midi_config.channel);
+            }
+            return false;
+        case MI_CHD:
+            if (record->event.pressed) {
+                midi_config.channel--;
+                dprintf("midi channel %d\n", midi_config.channel);
+            }
+            return false;
+        case MI_CHU:
+            if (record->event.pressed) {
+                midi_config.channel++;
+                dprintf("midi channel %d\n", midi_config.channel);
+            }
+            return false;
+        case MI_ALLOFF:
+            if (record->event.pressed) {
+                midi_send_cc(&midi_device, midi_config.channel, 0x7B, 0);
+                dprintf("midi all notes off\n");
+            }
+            return false;
+        case MI_SUS:
+            midi_send_cc(&midi_device, midi_config.channel, 0x40, record->event.pressed ? 127 : 0);
+            dprintf("midi sustain %d\n", record->event.pressed);
+            return false;
+        case MI_PORT:
+            midi_send_cc(&midi_device, midi_config.channel, 0x41, record->event.pressed ? 127 : 0);
+            dprintf("midi portamento %d\n", record->event.pressed);
+            return false;
+        case MI_SOST:
+            midi_send_cc(&midi_device, midi_config.channel, 0x42, record->event.pressed ? 127 : 0);
+            dprintf("midi sostenuto %d\n", record->event.pressed);
+            return false;
+        case MI_SOFT:
+            midi_send_cc(&midi_device, midi_config.channel, 0x43, record->event.pressed ? 127 : 0);
+            dprintf("midi soft %d\n", record->event.pressed);
+            return false;
+        case MI_LEG:
+            midi_send_cc(&midi_device, midi_config.channel, 0x43, record->event.pressed ? 127 : 0);
+            dprintf("midi legato %d\n", record->event.pressed);
+            return false;
+        case MI_MOD:
+            midi_modulation_step = record->event.pressed ? 1 : -1;
+            return false;
+        case MI_MODSD:
+            if (record->event.pressed) {
+                midi_config.modulation_interval++;
+                // prevent overflow
+                if (midi_config.modulation_interval == 0)
+                    midi_config.modulation_interval--;
+                dprintf("midi modulation interval %d\n", midi_config.modulation_interval);
+            }
+            return false;
+        case MI_MODSU:
+            if (record->event.pressed && midi_config.modulation_interval > 0) {
+                midi_config.modulation_interval--;
+                dprintf("midi modulation interval %d\n", midi_config.modulation_interval);
+            }
+            return false;
+    };
+
+    return true;
+}
+
+#endif // MIDI_ADVANCED
+
+#endif // MIDI_ENABLE
diff --git a/quantum/process_keycode/process_midi.h b/quantum/process_keycode/process_midi.h
index acd4fc1b16..58b7650c67 100644
--- a/quantum/process_keycode/process_midi.h
+++ b/quantum/process_keycode/process_midi.h
@@ -3,205 +3,38 @@
 
 #include "quantum.h"
 
-bool process_midi(uint16_t keycode, keyrecord_t *record);
+#ifdef MIDI_ENABLE
+
+#ifdef MIDI_BASIC
+void process_midi_basic_noteon(uint8_t note);
+void process_midi_basic_noteoff(uint8_t note);
+void process_midi_all_notes_off(void);
+#endif
+
+#ifdef MIDI_ADVANCED
+typedef union {
+  uint32_t raw;
+  struct {
+    uint8_t octave              :4;
+    int8_t transpose            :4;
+    uint8_t velocity            :4;
+    uint8_t channel             :4;
+    uint8_t modulation_interval :4;
+  };
+} midi_config_t;
 
-#define MIDI(n) ((n) | 0x6000)
-#define MIDI12 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000
+midi_config_t midi_config;
+
+void midi_init(void);
+void midi_task(void);
+bool process_midi(uint16_t keycode, keyrecord_t *record);
 
-#define CHNL(note, channel) (note + (channel << 8))
+#define MIDI_INVALID_NOTE 0xFF
+#define MIDI_TONE_COUNT (MIDI_TONE_MAX - MIDI_TONE_MIN + 1)
 
-#define SCALE (int8_t []){ 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), }
+uint8_t midi_compute_note(uint16_t keycode);
+#endif // MIDI_ADVANCED
 
-#define N_CN1  (0x600C + (12 * -1) + 0 )
-#define N_CN1S (0x600C + (12 * -1) + 1 )
-#define N_DN1F (0x600C + (12 * -1) + 1 )
-#define N_DN1  (0x600C + (12 * -1) + 2 )
-#define N_DN1S (0x600C + (12 * -1) + 3 )
-#define N_EN1F (0x600C + (12 * -1) + 3 )
-#define N_EN1  (0x600C + (12 * -1) + 4 )
-#define N_FN1  (0x600C + (12 * -1) + 5 )
-#define N_FN1S (0x600C + (12 * -1) + 6 )
-#define N_GN1F (0x600C + (12 * -1) + 6 )
-#define N_GN1  (0x600C + (12 * -1) + 7 )
-#define N_GN1S (0x600C + (12 * -1) + 8 )
-#define N_AN1F (0x600C + (12 * -1) + 8 )
-#define N_AN1  (0x600C + (12 * -1) + 9 )
-#define N_AN1S (0x600C + (12 * -1) + 10)
-#define N_BN1F (0x600C + (12 * -1) + 10)
-#define N_BN1  (0x600C + (12 * -1) + 11)
-#define N_C0   (0x600C + (12 *  0) + 0 )
-#define N_C0S  (0x600C + (12 *  0) + 1 )
-#define N_D0F  (0x600C + (12 *  0) + 1 )
-#define N_D0   (0x600C + (12 *  0) + 2 )
-#define N_D0S  (0x600C + (12 *  0) + 3 )
-#define N_E0F  (0x600C + (12 *  0) + 3 )
-#define N_E0   (0x600C + (12 *  0) + 4 )
-#define N_F0   (0x600C + (12 *  0) + 5 )
-#define N_F0S  (0x600C + (12 *  0) + 6 )
-#define N_G0F  (0x600C + (12 *  0) + 6 )
-#define N_G0   (0x600C + (12 *  0) + 7 )
-#define N_G0S  (0x600C + (12 *  0) + 8 )
-#define N_A0F  (0x600C + (12 *  0) + 8 )
-#define N_A0   (0x600C + (12 *  0) + 9 )
-#define N_A0S  (0x600C + (12 *  0) + 10)
-#define N_B0F  (0x600C + (12 *  0) + 10)
-#define N_B0   (0x600C + (12 *  0) + 11)
-#define N_C1   (0x600C + (12 *  1) + 0 )
-#define N_C1S  (0x600C + (12 *  1) + 1 )
-#define N_D1F  (0x600C + (12 *  1) + 1 )
-#define N_D1   (0x600C + (12 *  1) + 2 )
-#define N_D1S  (0x600C + (12 *  1) + 3 )
-#define N_E1F  (0x600C + (12 *  1) + 3 )
-#define N_E1   (0x600C + (12 *  1) + 4 )
-#define N_F1   (0x600C + (12 *  1) + 5 )
-#define N_F1S  (0x600C + (12 *  1) + 6 )
-#define N_G1F  (0x600C + (12 *  1) + 6 )
-#define N_G1   (0x600C + (12 *  1) + 7 )
-#define N_G1S  (0x600C + (12 *  1) + 8 )
-#define N_A1F  (0x600C + (12 *  1) + 8 )
-#define N_A1   (0x600C + (12 *  1) + 9 )
-#define N_A1S  (0x600C + (12 *  1) + 10)
-#define N_B1F  (0x600C + (12 *  1) + 10)
-#define N_B1   (0x600C + (12 *  1) + 11)
-#define N_C2   (0x600C + (12 *  2) + 0 )
-#define N_C2S  (0x600C + (12 *  2) + 1 )
-#define N_D2F  (0x600C + (12 *  2) + 1 )
-#define N_D2   (0x600C + (12 *  2) + 2 )
-#define N_D2S  (0x600C + (12 *  2) + 3 )
-#define N_E2F  (0x600C + (12 *  2) + 3 )
-#define N_E2   (0x600C + (12 *  2) + 4 )
-#define N_F2   (0x600C + (12 *  2) + 5 )
-#define N_F2S  (0x600C + (12 *  2) + 6 )
-#define N_G2F  (0x600C + (12 *  2) + 6 )
-#define N_G2   (0x600C + (12 *  2) + 7 )
-#define N_G2S  (0x600C + (12 *  2) + 8 )
-#define N_A2F  (0x600C + (12 *  2) + 8 )
-#define N_A2   (0x600C + (12 *  2) + 9 )
-#define N_A2S  (0x600C + (12 *  2) + 10)
-#define N_B2F  (0x600C + (12 *  2) + 10)
-#define N_B2   (0x600C + (12 *  2) + 11)
-#define N_C3   (0x600C + (12 *  3) + 0 )
-#define N_C3S  (0x600C + (12 *  3) + 1 )
-#define N_D3F  (0x600C + (12 *  3) + 1 )
-#define N_D3   (0x600C + (12 *  3) + 2 )
-#define N_D3S  (0x600C + (12 *  3) + 3 )
-#define N_E3F  (0x600C + (12 *  3) + 3 )
-#define N_E3   (0x600C + (12 *  3) + 4 )
-#define N_F3   (0x600C + (12 *  3) + 5 )
-#define N_F3S  (0x600C + (12 *  3) + 6 )
-#define N_G3F  (0x600C + (12 *  3) + 6 )
-#define N_G3   (0x600C + (12 *  3) + 7 )
-#define N_G3S  (0x600C + (12 *  3) + 8 )
-#define N_A3F  (0x600C + (12 *  3) + 8 )
-#define N_A3   (0x600C + (12 *  3) + 9 )
-#define N_A3S  (0x600C + (12 *  3) + 10)
-#define N_B3F  (0x600C + (12 *  3) + 10)
-#define N_B3   (0x600C + (12 *  3) + 11)
-#define N_C4   (0x600C + (12 *  4) + 0 )
-#define N_C4S  (0x600C + (12 *  4) + 1 )
-#define N_D4F  (0x600C + (12 *  4) + 1 )
-#define N_D4   (0x600C + (12 *  4) + 2 )
-#define N_D4S  (0x600C + (12 *  4) + 3 )
-#define N_E4F  (0x600C + (12 *  4) + 3 )
-#define N_E4   (0x600C + (12 *  4) + 4 )
-#define N_F4   (0x600C + (12 *  4) + 5 )
-#define N_F4S  (0x600C + (12 *  4) + 6 )
-#define N_G4F  (0x600C + (12 *  4) + 6 )
-#define N_G4   (0x600C + (12 *  4) + 7 )
-#define N_G4S  (0x600C + (12 *  4) + 8 )
-#define N_A4F  (0x600C + (12 *  4) + 8 )
-#define N_A4   (0x600C + (12 *  4) + 9 )
-#define N_A4S  (0x600C + (12 *  4) + 10)
-#define N_B4F  (0x600C + (12 *  4) + 10)
-#define N_B4   (0x600C + (12 *  4) + 11)
-#define N_C5   (0x600C + (12 *  5) + 0 )
-#define N_C5S  (0x600C + (12 *  5) + 1 )
-#define N_D5F  (0x600C + (12 *  5) + 1 )
-#define N_D5   (0x600C + (12 *  5) + 2 )
-#define N_D5S  (0x600C + (12 *  5) + 3 )
-#define N_E5F  (0x600C + (12 *  5) + 3 )
-#define N_E5   (0x600C + (12 *  5) + 4 )
-#define N_F5   (0x600C + (12 *  5) + 5 )
-#define N_F5S  (0x600C + (12 *  5) + 6 )
-#define N_G5F  (0x600C + (12 *  5) + 6 )
-#define N_G5   (0x600C + (12 *  5) + 7 )
-#define N_G5S  (0x600C + (12 *  5) + 8 )
-#define N_A5F  (0x600C + (12 *  5) + 8 )
-#define N_A5   (0x600C + (12 *  5) + 9 )
-#define N_A5S  (0x600C + (12 *  5) + 10)
-#define N_B5F  (0x600C + (12 *  5) + 10)
-#define N_B5   (0x600C + (12 *  5) + 11)
-#define N_C6   (0x600C + (12 *  6) + 0 )
-#define N_C6S  (0x600C + (12 *  6) + 1 )
-#define N_D6F  (0x600C + (12 *  6) + 1 )
-#define N_D6   (0x600C + (12 *  6) + 2 )
-#define N_D6S  (0x600C + (12 *  6) + 3 )
-#define N_E6F  (0x600C + (12 *  6) + 3 )
-#define N_E6   (0x600C + (12 *  6) + 4 )
-#define N_F6   (0x600C + (12 *  6) + 5 )
-#define N_F6S  (0x600C + (12 *  6) + 6 )
-#define N_G6F  (0x600C + (12 *  6) + 6 )
-#define N_G6   (0x600C + (12 *  6) + 7 )
-#define N_G6S  (0x600C + (12 *  6) + 8 )
-#define N_A6F  (0x600C + (12 *  6) + 8 )
-#define N_A6   (0x600C + (12 *  6) + 9 )
-#define N_A6S  (0x600C + (12 *  6) + 10)
-#define N_B6F  (0x600C + (12 *  6) + 10)
-#define N_B6   (0x600C + (12 *  6) + 11)
-#define N_C7   (0x600C + (12 *  7) + 0 )
-#define N_C7S  (0x600C + (12 *  7) + 1 )
-#define N_D7F  (0x600C + (12 *  7) + 1 )
-#define N_D7   (0x600C + (12 *  7) + 2 )
-#define N_D7S  (0x600C + (12 *  7) + 3 )
-#define N_E7F  (0x600C + (12 *  7) + 3 )
-#define N_E7   (0x600C + (12 *  7) + 4 )
-#define N_F7   (0x600C + (12 *  7) + 5 )
-#define N_F7S  (0x600C + (12 *  7) + 6 )
-#define N_G7F  (0x600C + (12 *  7) + 6 )
-#define N_G7   (0x600C + (12 *  7) + 7 )
-#define N_G7S  (0x600C + (12 *  7) + 8 )
-#define N_A7F  (0x600C + (12 *  7) + 8 )
-#define N_A7   (0x600C + (12 *  7) + 9 )
-#define N_A7S  (0x600C + (12 *  7) + 10)
-#define N_B7F  (0x600C + (12 *  7) + 10)
-#define N_B7   (0x600C + (12 *  7) + 11)
-#define N_C8   (0x600C + (12 *  8) + 0 )
-#define N_C8S  (0x600C + (12 *  8) + 1 )
-#define N_D8F  (0x600C + (12 *  8) + 1 )
-#define N_D8   (0x600C + (12 *  8) + 2 )
-#define N_D8S  (0x600C + (12 *  8) + 3 )
-#define N_E8F  (0x600C + (12 *  8) + 3 )
-#define N_E8   (0x600C + (12 *  8) + 4 )
-#define N_F8   (0x600C + (12 *  8) + 5 )
-#define N_F8S  (0x600C + (12 *  8) + 6 )
-#define N_G8F  (0x600C + (12 *  8) + 6 )
-#define N_G8   (0x600C + (12 *  8) + 7 )
-#define N_G8S  (0x600C + (12 *  8) + 8 )
-#define N_A8F  (0x600C + (12 *  8) + 8 )
-#define N_A8   (0x600C + (12 *  8) + 9 )
-#define N_A8S  (0x600C + (12 *  8) + 10)
-#define N_B8F  (0x600C + (12 *  8) + 10)
-#define N_B8   (0x600C + (12 *  8) + 11)
-#define N_C8   (0x600C + (12 *  8) + 0 )
-#define N_C8S  (0x600C + (12 *  8) + 1 )
-#define N_D8F  (0x600C + (12 *  8) + 1 )
-#define N_D8   (0x600C + (12 *  8) + 2 )
-#define N_D8S  (0x600C + (12 *  8) + 3 )
-#define N_E8F  (0x600C + (12 *  8) + 3 )
-#define N_E8   (0x600C + (12 *  8) + 4 )
-#define N_F8   (0x600C + (12 *  8) + 5 )
-#define N_F8S  (0x600C + (12 *  8) + 6 )
-#define N_G8F  (0x600C + (12 *  8) + 6 )
-#define N_G8   (0x600C + (12 *  8) + 7 )
-#define N_G8S  (0x600C + (12 *  8) + 8 )
-#define N_A8F  (0x600C + (12 *  8) + 8 )
-#define N_A8   (0x600C + (12 *  8) + 9 )
-#define N_A8S  (0x600C + (12 *  8) + 10)
-#define N_B8F  (0x600C + (12 *  8) + 10)
-#define N_B8   (0x600C + (12 *  8) + 11)
+#endif // MIDI_ENABLE
 
 #endif
\ No newline at end of file
diff --git a/quantum/process_keycode/process_music.c b/quantum/process_keycode/process_music.c
index 1e2648bff5..f89a04ee31 100644
--- a/quantum/process_keycode/process_music.c
+++ b/quantum/process_keycode/process_music.c
@@ -1,5 +1,14 @@
 #include "process_music.h"
 
+#ifdef AUDIO_ENABLE
+#include "process_audio.h"
+#endif
+#if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
+#include "process_midi.h"
+#endif
+
+#if defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
+
 bool music_activated = false;
 uint8_t music_starting_note = 0x0C;
 int music_offset = 7;
@@ -8,36 +17,41 @@ int music_offset = 7;
 static bool music_sequence_recording = false;
 static bool music_sequence_recorded = false;
 static bool music_sequence_playing = false;
-static float music_sequence[16] = {0};
+static uint8_t music_sequence[16] = {0};
 static uint8_t music_sequence_count = 0;
 static uint8_t music_sequence_position = 0;
 
 static uint16_t music_sequence_timer = 0;
 static uint16_t music_sequence_interval = 100;
 
-bool process_music(uint16_t keycode, keyrecord_t *record) {
+static void music_noteon(uint8_t note) {
+    #ifdef AUDIO_ENABLE
+    process_audio_noteon(note);
+    #endif
+    #if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
+    process_midi_basic_noteon(note);
+    #endif
+}
 
-    if (keycode == AU_ON && record->event.pressed) {
-      audio_on();
-      return false;
-    }
+static void music_noteoff(uint8_t note) {
+    #ifdef AUDIO_ENABLE
+    process_audio_noteoff(note);
+    #endif
+    #if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
+    process_midi_basic_noteoff(note);
+    #endif
+}
 
-    if (keycode == AU_OFF && record->event.pressed) {
-      audio_off();
-      return false;
-    }
+void music_all_notes_off(void) {
+    #ifdef AUDIO_ENABLE
+    process_audio_all_notes_off();
+    #endif
+    #if defined(MIDI_ENABLE) && defined(MIDI_BASIC)
+    process_midi_all_notes_off();
+    #endif
+}
 
-    if (keycode == AU_TOG && record->event.pressed) {
-        if (is_audio_on())
-        {
-            audio_off();
-        }
-        else
-        {
-            audio_on();
-        }
-      return false;
-    }
+bool process_music(uint16_t keycode, keyrecord_t *record) {
 
     if (keycode == MU_ON && record->event.pressed) {
         music_on();
@@ -61,22 +75,10 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
         return false;
     }
 
-    if (keycode == MUV_IN && record->event.pressed) {
-        voice_iterate();
-        music_scale_user();
-        return false;
-    }
-
-    if (keycode == MUV_DE && record->event.pressed) {
-        voice_deiterate();
-        music_scale_user();
-        return false;
-    }
-
     if (music_activated) {
 
       if (keycode == KC_LCTL && record->event.pressed) { // Start recording
-        stop_all_notes();
+        music_all_notes_off();
         music_sequence_recording = true;
         music_sequence_recorded = false;
         music_sequence_playing = false;
@@ -85,7 +87,7 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
       }
 
       if (keycode == KC_LALT && record->event.pressed) { // Stop recording/playing
-        stop_all_notes();
+        music_all_notes_off();
         if (music_sequence_recording) { // was recording
           music_sequence_recorded = true;
         }
@@ -95,7 +97,7 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
       }
 
       if (keycode == KC_LGUI && record->event.pressed && music_sequence_recorded) { // Start playing
-        stop_all_notes();
+        music_all_notes_off();
         music_sequence_recording = false;
         music_sequence_playing = true;
         music_sequence_position = 0;
@@ -114,32 +116,34 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
             music_sequence_interval+=10;
         return false;
       }
+
       #define MUSIC_MODE_GUITAR
 
       #ifdef MUSIC_MODE_CHROMATIC
-      float freq = ((float)220.0)*pow(2.0, -5.0)*pow(2.0,(music_starting_note + record->event.key.col + music_offset)/12.0+(MATRIX_ROWS - record->event.key.row));
+      uint8_t note = (music_starting_note + record->event.key.col + music_offset - 3)+12*(MATRIX_ROWS - record->event.key.row);
       #elif defined(MUSIC_MODE_GUITAR)
-      float freq = ((float)220.0)*pow(2.0, -5.0)*pow(2.0,(music_starting_note + record->event.key.col + music_offset)/12.0+(float)(MATRIX_ROWS - record->event.key.row + 7)*5.0/12);
+      uint8_t note = (music_starting_note + record->event.key.col + music_offset + 32)+5*(MATRIX_ROWS - record->event.key.row);
       #elif defined(MUSIC_MODE_VIOLIN)
-      float freq = ((float)220.0)*pow(2.0, -5.0)*pow(2.0,(music_starting_note + record->event.key.col + music_offset)/12.0+(float)(MATRIX_ROWS - record->event.key.row + 5)*7.0/12);
+      uint8_t note = (music_starting_note + record->event.key.col + music_offset + 32)+7*(MATRIX_ROWS - record->event.key.row);
       #else
-      float freq = ((float)220.0)*pow(2.0, -5.0)*pow(2.0,(music_starting_note + SCALE[record->event.key.col + music_offset])/12.0+(MATRIX_ROWS - record->event.key.row));
+      uint8_t note = (music_starting_note + SCALE[record->event.key.col + music_offset] - 3)+12*(MATRIX_ROWS - record->event.key.row);
       #endif
 
       if (record->event.pressed) {
-        play_note(freq, 0xF);
+        music_noteon(note);
         if (music_sequence_recording) {
-          music_sequence[music_sequence_count] = freq;
+          music_sequence[music_sequence_count] = note;
           music_sequence_count++;
         }
       } else {
-        stop_note(freq);
+        music_noteoff(note);
       }
 
       if (keycode < 0xFF) // ignores all normal keycodes, but lets RAISE, LOWER, etc through
         return false;
     }
-  return true;
+
+    return true;
 }
 
 bool is_music_on(void) {
@@ -161,26 +165,26 @@ void music_on(void) {
 
 void music_off(void) {
     music_activated = 0;
-    stop_all_notes();
+    music_all_notes_off();
 }
 
-
-__attribute__ ((weak))
-void music_on_user() {}
-
-__attribute__ ((weak))
-void audio_on_user() {}
-
-__attribute__ ((weak))
-void music_scale_user() {}
-
 void matrix_scan_music(void) {
   if (music_sequence_playing) {
     if ((music_sequence_timer == 0) || (timer_elapsed(music_sequence_timer) > music_sequence_interval)) {
       music_sequence_timer = timer_read();
-      stop_note(music_sequence[(music_sequence_position - 1 < 0)?(music_sequence_position - 1 + music_sequence_count):(music_sequence_position - 1)]);
-      play_note(music_sequence[music_sequence_position], 0xF);
+      uint8_t prev_note = music_sequence[(music_sequence_position - 1 < 0)?(music_sequence_position - 1 + music_sequence_count):(music_sequence_position - 1)];
+      uint8_t next_note = music_sequence[music_sequence_position];
+      music_noteoff(prev_note);
+      music_noteon(next_note);
       music_sequence_position = (music_sequence_position + 1) % music_sequence_count;
     }
   }
 }
+
+__attribute__ ((weak))
+void music_on_user() {}
+
+__attribute__ ((weak))
+void music_scale_user() {}
+
+#endif // defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
\ No newline at end of file
diff --git a/quantum/process_keycode/process_music.h b/quantum/process_keycode/process_music.h
index 318b3e3875..a36514a44f 100644
--- a/quantum/process_keycode/process_music.h
+++ b/quantum/process_keycode/process_music.h
@@ -3,6 +3,8 @@
 
 #include "quantum.h"
 
+#if defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
+
 bool process_music(uint16_t keycode, keyrecord_t *record);
 
 bool is_music_on(void);
@@ -10,9 +12,9 @@ void music_toggle(void);
 void music_on(void);
 void music_off(void);
 
-void audio_on_user(void);
 void music_on_user(void);
 void music_scale_user(void);
+void music_all_notes_off(void);
 
 void matrix_scan_music(void);
 
@@ -24,4 +26,6 @@ void matrix_scan_music(void);
                            0 + (12*4), 2 + (12*4), 4 + (12*4), 5 + (12*4), 7 + (12*4), 9 + (12*4), 11 + (12*4), }
 #endif
 
+#endif // defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
+
 #endif
\ No newline at end of file