Merge pull request #1112 from newsboytko/newsboytko/midi-keycodes

Flesh out MIDI support

36 files changed, 1445 insertions, 506 deletions

diff --git a/build_keyboard.mk b/build_keyboard.mk
index 4a6fc0980f..82464d5830 100644
--- a/build_keyboard.mk
+++ b/build_keyboard.mk
@@ -23,9 +23,9 @@ ifdef master
 	MASTER = $(master)
 endif
 
-ifeq ($(MASTER),right)	
+ifeq ($(MASTER),right)
 	OPT_DEFS += -DMASTER_IS_ON_RIGHT
-else 
+else
 	ifneq ($(MASTER),left)
 $(error MASTER does not have a valid value(left/right))
 	endif
@@ -38,7 +38,7 @@ KEYBOARD_C := $(KEYBOARD_PATH)/$(KEYBOARD).c
 
 ifneq ("$(wildcard $(KEYBOARD_C))","")
     include $(KEYBOARD_PATH)/rules.mk
-else 
+else
     $(error "$(KEYBOARD_C)" does not exist)
 endif
 
@@ -49,7 +49,7 @@ ifneq ($(SUBPROJECT),)
     ifneq ("$(wildcard $(SUBPROJECT_C))","")
         OPT_DEFS += -DSUBPROJECT_$(SUBPROJECT)
         include $(SUBPROJECT_PATH)/rules.mk
-    else 
+    else
         $(error "$(SUBPROJECT_PATH)/$(SUBPROJECT).c" does not exist)
     endif
 endif
@@ -83,7 +83,7 @@ ifneq ($(SUBPROJECT),)
 	endif
 endif
 
-# Save the defines and includes here, so we don't include any keymap specific ones 
+# Save the defines and includes here, so we don't include any keymap specific ones
 PROJECT_DEFS := $(OPT_DEFS)
 PROJECT_INC := $(VPATH) $(EXTRAINCDIRS) $(SUBPROJECT_PATH) $(KEYBOARD_PATH)
 PROJECT_CONFIG := $(CONFIG_H)
@@ -139,11 +139,27 @@ ifeq ($(strip $(API_SYSEX_ENABLE)), yes)
     MIDI_ENABLE=yes
 endif
 
+MUSIC_ENABLE := 0
+
+ifeq ($(strip $(AUDIO_ENABLE)), yes)
+    OPT_DEFS += -DAUDIO_ENABLE
+    MUSIC_ENABLE := 1
+	SRC += $(QUANTUM_DIR)/process_keycode/process_audio.c
+	SRC += $(QUANTUM_DIR)/audio/audio.c
+	SRC += $(QUANTUM_DIR)/audio/voices.c
+	SRC += $(QUANTUM_DIR)/audio/luts.c
+endif
+
 ifeq ($(strip $(MIDI_ENABLE)), yes)
     OPT_DEFS += -DMIDI_ENABLE
+	MUSIC_ENABLE := 1
 	SRC += $(QUANTUM_DIR)/process_keycode/process_midi.c
 endif
 
+ifeq ($(MUSIC_ENABLE), 1)
+	SRC += $(QUANTUM_DIR)/process_keycode/process_music.c
+endif
+
 ifeq ($(strip $(COMBO_ENABLE)), yes)
     OPT_DEFS += -DCOMBO_ENABLE
 	SRC += $(QUANTUM_DIR)/process_keycode/process_combo.c
@@ -153,14 +169,6 @@ ifeq ($(strip $(VIRTSER_ENABLE)), yes)
     OPT_DEFS += -DVIRTSER_ENABLE
 endif
 
-ifeq ($(strip $(AUDIO_ENABLE)), yes)
-    OPT_DEFS += -DAUDIO_ENABLE
-	SRC += $(QUANTUM_DIR)/process_keycode/process_music.c
-	SRC += $(QUANTUM_DIR)/audio/audio.c
-	SRC += $(QUANTUM_DIR)/audio/voices.c
-	SRC += $(QUANTUM_DIR)/audio/luts.c
-endif
-
 ifeq ($(strip $(FAUXCLICKY_ENABLE)), yes)
     OPT_DEFS += -DFAUXCLICKY_ENABLE
 	SRC += $(QUANTUM_DIR)/fauxclicky.c
@@ -250,7 +258,7 @@ endif
 
 OUTPUTS := $(KEYMAP_OUTPUT) $(KEYBOARD_OUTPUT)
 $(KEYMAP_OUTPUT)_SRC := $(SRC)
-$(KEYMAP_OUTPUT)_DEFS := $(OPT_DEFS) -DQMK_KEYBOARD=\"$(KEYBOARD)\" -DQMK_KEYMAP=\"$(KEYMAP)\" 
+$(KEYMAP_OUTPUT)_DEFS := $(OPT_DEFS) -DQMK_KEYBOARD=\"$(KEYBOARD)\" -DQMK_KEYMAP=\"$(KEYMAP)\"
 $(KEYMAP_OUTPUT)_INC :=  $(VPATH) $(EXTRAINCDIRS)
 $(KEYMAP_OUTPUT)_CONFIG := $(CONFIG_H)
 $(KEYBOARD_OUTPUT)_SRC := $(CHIBISRC)
diff --git a/keyboards/planck/keymaps/dbroqua/config.h b/keyboards/planck/keymaps/dbroqua/config.h
new file mode 100644
index 0000000000..4c61581993
--- /dev/null
+++ b/keyboards/planck/keymaps/dbroqua/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
\ No newline at end of file
diff --git a/keyboards/planck/keymaps/default/config.h b/keyboards/planck/keymaps/default/config.h
new file mode 100644
index 0000000000..4c61581993
--- /dev/null
+++ b/keyboards/planck/keymaps/default/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
\ No newline at end of file
diff --git a/keyboards/planck/keymaps/experimental/config.h b/keyboards/planck/keymaps/experimental/config.h
index cc093bee49..492490ca1c 100644
--- a/keyboards/planck/keymaps/experimental/config.h
+++ b/keyboards/planck/keymaps/experimental/config.h
@@ -14,4 +14,27 @@
 #define RGBLIGHT_HUE_STEP 10
 #define RGBLIGHT_SAT_STEP 17
 
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
 #endif
diff --git a/keyboards/planck/keymaps/impossible/config.h b/keyboards/planck/keymaps/impossible/config.h
new file mode 100644
index 0000000000..4c61581993
--- /dev/null
+++ b/keyboards/planck/keymaps/impossible/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
\ No newline at end of file
diff --git a/keyboards/planck/keymaps/jeebak/config.h b/keyboards/planck/keymaps/jeebak/config.h
new file mode 100644
index 0000000000..4c61581993
--- /dev/null
+++ b/keyboards/planck/keymaps/jeebak/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
\ No newline at end of file
diff --git a/keyboards/planck/keymaps/jhenahan/config.h b/keyboards/planck/keymaps/jhenahan/config.h
index cd3adc41cc..1e42b92b9c 100644
--- a/keyboards/planck/keymaps/jhenahan/config.h
+++ b/keyboards/planck/keymaps/jhenahan/config.h
@@ -6,4 +6,27 @@
 #define FORCE_NKRO
 #define WORKMAN_SOUND COLEMAK_SOUND
 
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
 #endif
diff --git a/keyboards/planck/keymaps/premek/config.h b/keyboards/planck/keymaps/premek/config.h
new file mode 100644
index 0000000000..4c61581993
--- /dev/null
+++ b/keyboards/planck/keymaps/premek/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
\ No newline at end of file
diff --git a/keyboards/planck/keymaps/sgoodwin/config.h b/keyboards/planck/keymaps/sgoodwin/config.h
new file mode 100644
index 0000000000..4c61581993
--- /dev/null
+++ b/keyboards/planck/keymaps/sgoodwin/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
\ No newline at end of file
diff --git a/keyboards/planck/keymaps/smt/config.h b/keyboards/planck/keymaps/smt/config.h
new file mode 100644
index 0000000000..4c61581993
--- /dev/null
+++ b/keyboards/planck/keymaps/smt/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
\ No newline at end of file
diff --git a/keyboards/planck/keymaps/thermal_printer/config.h b/keyboards/planck/keymaps/thermal_printer/config.h
index 430b6493cf..bcd0989306 100644
--- a/keyboards/planck/keymaps/thermal_printer/config.h
+++ b/keyboards/planck/keymaps/thermal_printer/config.h
@@ -20,4 +20,27 @@
             sei(); \
         } while(0)
 
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
  #endif
\ No newline at end of file
diff --git a/keyboards/planck/keymaps/unicode/config.h b/keyboards/planck/keymaps/unicode/config.h
new file mode 100644
index 0000000000..4c61581993
--- /dev/null
+++ b/keyboards/planck/keymaps/unicode/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
\ No newline at end of file
diff --git a/keyboards/planck/keymaps/xyverz/config.h b/keyboards/planck/keymaps/xyverz/config.h
new file mode 100644
index 0000000000..4c61581993
--- /dev/null
+++ b/keyboards/planck/keymaps/xyverz/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
\ No newline at end of file
diff --git a/keyboards/preonic/keymaps/CMD-Preonic/config.h b/keyboards/preonic/keymaps/CMD-Preonic/config.h
new file mode 100644
index 0000000000..4c61581993
--- /dev/null
+++ b/keyboards/preonic/keymaps/CMD-Preonic/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
\ No newline at end of file
diff --git a/keyboards/preonic/keymaps/default/config.h b/keyboards/preonic/keymaps/default/config.h
new file mode 100644
index 0000000000..4c61581993
--- /dev/null
+++ b/keyboards/preonic/keymaps/default/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
\ No newline at end of file
diff --git a/keyboards/preonic/keymaps/smt/config.h b/keyboards/preonic/keymaps/smt/config.h
new file mode 100644
index 0000000000..4c61581993
--- /dev/null
+++ b/keyboards/preonic/keymaps/smt/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
\ No newline at end of file
diff --git a/keyboards/satan/keymaps/midi/Makefile b/keyboards/satan/keymaps/midi/Makefile
new file mode 100644
index 0000000000..89c34b3946
--- /dev/null
+++ b/keyboards/satan/keymaps/midi/Makefile
@@ -0,0 +1,21 @@
+# Build Options
+#   change to "no" to disable the options, or define them in the Makefile in 
+#   the appropriate keymap folder that will get included automatically
+#
+BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE = yes       # Mouse keys(+4700)
+EXTRAKEY_ENABLE = yes       # Audio control and System control(+450)
+CONSOLE_ENABLE = no         # Console for debug(+400)
+COMMAND_ENABLE = yes        # Commands for debug and configuration
+NKRO_ENABLE = yes           # 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 support (+2400 to 4200, depending on config)
+AUDIO_ENABLE = no           # Audio output on port C6
+UNICODE_ENABLE = no         # Unicode
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+RGBLIGHT_ENABLE = no        # Enable WS2812 RGB underlight.  Do not enable this with audio at the same time.
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+
+ifndef QUANTUM_DIR
+	include ../../../../Makefile
+endif
diff --git a/keyboards/satan/keymaps/midi/config.h b/keyboards/satan/keymaps/midi/config.h
new file mode 100644
index 0000000000..8e10b04ec2
--- /dev/null
+++ b/keyboards/satan/keymaps/midi/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
\ No newline at end of file
diff --git a/keyboards/satan/keymaps/midi/keymap.c b/keyboards/satan/keymaps/midi/keymap.c
new file mode 100644
index 0000000000..8378b4e4b9
--- /dev/null
+++ b/keyboards/satan/keymaps/midi/keymap.c
@@ -0,0 +1,77 @@
+#include "satan.h"
+
+// Each layer gets a name for readability, which is then used in the keymap matrix below.
+// The underscores don't mean anything - you can have a layer called STUFF or any other name.
+// Layer names don't all need to be of the same length, obviously, and you can also skip them
+// entirely and just use numbers.
+#define _BL 0
+#define _ML 1
+
+// readability
+#define _______ KC_TRNS
+#define XXXXXXX KC_NO
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  /* Keymap _BL: (Base Layer) Default Layer
+   * ,-----------------------------------------------------------.
+   * |Esc | 1|  2|  3|  4|  5|  6|  7|  8|  9|  0|  -|  =|Backsp |
+   * |-----------------------------------------------------------|
+   * |Tab  |  Q|  W|  E|  R|  T|  Y|  U|  I|  O|  P|  [|  ]|  \  |
+   * |-----------------------------------------------------------|
+   * |CAPS   |  A|  S|  D|  F|  G|  H|  J|  K|  L|  ;|  '|Return |
+   * |-----------------------------------------------------------|
+   * |Shift   |  Z|  X|  C|  V|  B|  N|  M|  ,|  .|  /|Shift     |
+   * |-----------------------------------------------------------|
+   * |Ctrl|Gui |Alt |      Space            |Alt |Gui |Midi|Ctrl |
+   * `-----------------------------------------------------------'
+   */
+[_BL] = KEYMAP_ANSI(
+  KC_ESC,  KC_1,   KC_2,   KC_3,   KC_4,   KC_5,   KC_6,   KC_7,   KC_8,   KC_9,   KC_0,   KC_MINS, KC_EQL, KC_BSPC, \
+  KC_TAB,  KC_Q,   KC_W,   KC_E,   KC_R,   KC_T,   KC_Y,   KC_U,   KC_I,   KC_O,   KC_P,   KC_LBRC, KC_RBRC,KC_BSLS, \
+  KC_CAPS, KC_A,   KC_S,   KC_D,   KC_F,   KC_G,   KC_H,   KC_J,   KC_K,   KC_L,   KC_SCLN,KC_QUOT,         KC_ENT,  \
+  KC_LSFT,         KC_Z,   KC_X,   KC_C,   KC_V,   KC_B,   KC_N,   KC_M,   KC_COMM,KC_DOT, KC_SLSH,         KC_RSFT, \
+  KC_LCTL, KC_LGUI,KC_LALT,                KC_SPC,                                 KC_RALT,KC_RGUI, TG(_ML), KC_RCTL),
+
+#if defined(MIDI_ENABLE) && defined(MIDI_ADVANCED)
+/* Keymap _ML: MIDI Layer (Advanced)
+   * ,------------------------------------------------------------------------.
+   * | Exit |    |    |    |    |    |    |    |    |    |    |    |    |     |
+   * |------------------------------------------------------------------------|
+   * |  Ch+ |    | C# | D# |    | F# | G# | A# |    | C# | D# |    |    |     |
+   * |------------------------------------------------------------------------|
+   * |  Mod  | C  | D  | E  | F  | G  | A  | B  | C  | D  | E  | F  |         |
+   * |------------------------------------------------------------------------|
+   * | Sustain |Oct-|Oct+|Mod-|Mod+|    |    |    |Tns-|Tns+|Tns0|   Sustain  |
+   * |------------------------------------------------------------------------|
+   * |     |     |     |         All notes off        |     |     |     |     |
+   * `------------------------------------------------------------------------'
+   */
+[_ML] = KEYMAP_ANSI(
+  TG(_ML), MI_VEL_1, MI_VEL_2, MI_VEL_3, MI_VEL_4, MI_VEL_5, MI_VEL_6, MI_VEL_7, MI_VEL_8, MI_VEL_9, MI_VEL_10, XXXXXXX, XXXXXXX, XXXXXXX, \
+  MI_CHU,  XXXXXXX, MI_Cs,   MI_Ds,   XXXXXXX, MI_Fs,   MI_Gs,   MI_As,   XXXXXXX, MI_Cs_1, MI_Ds_1, XXXXXXX, XXXXXXX, XXXXXXX, \
+  MI_MOD,  MI_C,    MI_D,    MI_E,    MI_F,    MI_G,    MI_A,    MI_B,    MI_C_1,  MI_D_1,  MI_E_1,  MI_F_1,           _______, \
+  MI_SUS,  MI_OCTD, MI_OCTU, MI_MODSD, MI_MODSU, XXXXXXX, XXXXXXX, XXXXXXX, MI_TRNSD, MI_TRNSU, MI_TRNS_0,             MI_SUS, \
+  _______, _______, _______,                          MI_ALLOFF,                            _______, _______, _______, _______),
+#elif defined(MIDI_ENABLE) && defined(MIDI_BASIC)
+/* Keymap _ML: MIDI Layer (Advanced)
+   * ,------------------------------------------------------------------------.
+   * | Exit |    |    |    |    |    |    |    |    |    |    |    |    |     |
+   * |------------------------------------------------------------------------|
+   * |      |    |    |    |    |    |    |    |    |    |    |    |    |     |
+   * |------------------------------------------------------------------------|
+   * |       |    |    |    |    |    |    |    |    |    |    |    |         |
+   * |------------------------------------------------------------------------|
+   * |         |MuOn|MuOf|MiOn|MiOf|    |    |    |    |    |    |            |
+   * |------------------------------------------------------------------------|
+   * |     |     |     |                              |     |     |     |     |
+   * `------------------------------------------------------------------------'
+   */
+
+[_ML] = KEYMAP_ANSI(
+  TG(_ML), _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, \
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, \
+  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______, \
+  _______, MU_ON,   MU_OFF,  MI_ON,   MI_OFF,  _______, _______, _______, _______, _______, _______,                   _______, \
+  _______, _______, _______,                          _______,                              _______, _______, _______, _______),
+#endif
+};
\ No newline at end of file
diff --git a/keyboards/satan/keymaps/midi/readme.md b/keyboards/satan/keymaps/midi/readme.md
new file mode 100644
index 0000000000..87844a854b
--- /dev/null
+++ b/keyboards/satan/keymaps/midi/readme.md
@@ -0,0 +1 @@
+# Satan GH60 layout demonstrating MIDI key mapping
diff --git a/keyboards/subatomic/keymaps/default/config.h b/keyboards/subatomic/keymaps/default/config.h
new file mode 100644
index 0000000000..4c61581993
--- /dev/null
+++ b/keyboards/subatomic/keymaps/default/config.h
@@ -0,0 +1,29 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+#define MIDI_BASIC
+
+/* enable advanced MIDI features: