Keycode refactor

4 files changed, 331 insertions, 314 deletions

diff --git a/quantum/keymap.h b/quantum/keymap.h
index 745c552799..c000d2da8e 100644
--- a/quantum/keymap.h
+++ b/quantum/keymap.h
@@ -38,318 +38,16 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RESET QK_RESET
 #endif
 
-/* translates key to keycode */
+#include "quantum_keycodes.h"
+
+// translates key to keycode
 uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key);
 
+// translates function id to action
+uint16_t keymap_function_id_to_action( uint16_t function_id );
+
 extern const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
 extern const uint16_t fn_actions[];
 
-enum quantum_keycodes {
-    // Ranges used in shortucuts - not to be used directly
-    QK_TMK                = 0x0000,
-    QK_TMK_MAX            = 0x00FF,
-    QK_MODS               = 0x0100,
-    QK_LCTL               = 0x0100,
-    QK_LSFT               = 0x0200,
-    QK_LALT               = 0x0400,
-    QK_LGUI               = 0x0800,
-    QK_RMODS_MIN          = 0x1000,
-    QK_RCTL               = 0x1100,
-    QK_RSFT               = 0x1200,
-    QK_RALT               = 0x1400,
-    QK_RGUI               = 0x1800,
-    QK_MODS_MAX           = 0x1FFF,
-    QK_FUNCTION           = 0x2000,
-    QK_FUNCTION_MAX       = 0x2FFF,
-    QK_MACRO              = 0x3000,
-    QK_MACRO_MAX          = 0x3FFF,
-    QK_LAYER_TAP          = 0x4000,
-    QK_LAYER_TAP_MAX      = 0x4FFF,
-    QK_TO                 = 0x5000,
-    QK_TO_MAX             = 0x50FF,
-    QK_MOMENTARY          = 0x5100,
-    QK_MOMENTARY_MAX      = 0x51FF,
-    QK_DEF_LAYER          = 0x5200,
-    QK_DEF_LAYER_MAX      = 0x52FF,
-    QK_TOGGLE_LAYER       = 0x5300,
-    QK_TOGGLE_LAYER_MAX   = 0x53FF,
-    QK_ONE_SHOT_LAYER     = 0x5400,
-    QK_ONE_SHOT_LAYER_MAX = 0x54FF,
-    QK_ONE_SHOT_MOD       = 0x5500,
-    QK_ONE_SHOT_MOD_MAX   = 0x55FF,
-#ifndef DISABLE_CHORDING
-    QK_CHORDING           = 0x5600,
-    QK_CHORDING_MAX       = 0x56FF,
-#endif
-    QK_MOD_TAP            = 0x6000,
-    QK_MOD_TAP_MAX        = 0x6FFF,
-    QK_TAP_DANCE          = 0x7100,
-    QK_TAP_DANCE_MAX      = 0x71FF,
-#ifdef UNICODEMAP_ENABLE
-    QK_UNICODE_MAP        = 0x7800,
-    QK_UNICODE_MAP_MAX    = 0x7FFF,
-#endif
-#ifdef UNICODE_ENABLE
-    QK_UNICODE            = 0x8000,
-    QK_UNICODE_MAX        = 0xFFFF,
-#endif
-
-    // Loose keycodes - to be used directly
-
-    RESET = 0x7000,
-    DEBUG,
-    MAGIC_SWAP_CONTROL_CAPSLOCK,
-    MAGIC_CAPSLOCK_TO_CONTROL,
-    MAGIC_SWAP_LALT_LGUI,
-    MAGIC_SWAP_RALT_RGUI,
-    MAGIC_NO_GUI,
-    MAGIC_SWAP_GRAVE_ESC,
-    MAGIC_SWAP_BACKSLASH_BACKSPACE,
-    MAGIC_HOST_NKRO,
-    MAGIC_SWAP_ALT_GUI,
-    MAGIC_UNSWAP_CONTROL_CAPSLOCK,
-    MAGIC_UNCAPSLOCK_TO_CONTROL,
-    MAGIC_UNSWAP_LALT_LGUI,
-    MAGIC_UNSWAP_RALT_RGUI,
-    MAGIC_UNNO_GUI,
-    MAGIC_UNSWAP_GRAVE_ESC,
-    MAGIC_UNSWAP_BACKSLASH_BACKSPACE,
-    MAGIC_UNHOST_NKRO,
-    MAGIC_UNSWAP_ALT_GUI,
-    MAGIC_TOGGLE_NKRO,
-
-    // Leader key
-#ifndef DISABLE_LEADER
-    KC_LEAD,
-#endif
-
-    // Audio on/off/toggle
-    AU_ON,
-    AU_OFF,
-    AU_TOG,
-
-    // Music mode on/off/toggle
-    MU_ON,
-    MU_OFF,
-    MU_TOG,
-
-    // Music voice iterate
-    MUV_IN,
-    MUV_DE,
-
-    // Midi mode on/off
-    MIDI_ON,
-    MIDI_OFF,
-
-    // Backlight functionality
-    BL_0,
-    BL_1,
-    BL_2,
-    BL_3,
-    BL_4,
-    BL_5,
-    BL_6,
-    BL_7,
-    BL_8,
-    BL_9,
-    BL_10,
-    BL_11,
-    BL_12,
-    BL_13,
-    BL_14,
-    BL_15,
-    BL_DEC,
-    BL_INC,
-    BL_TOGG,
-    BL_STEP,
-
-    // RGB functionality
-    RGB_TOG,
-    RGB_MOD,
-    RGB_HUI,
-    RGB_HUD,
-    RGB_SAI,
-    RGB_SAD,
-    RGB_VAI,
-    RGB_VAD,
-
-    // Left shift, open paren
-    KC_LSPO,
-
-    // Right shift, close paren
-    KC_RSPC,
-
-    // Printing
-    PRINT_ON,
-    PRINT_OFF,
-
-    // always leave at the end
-    SAFE_RANGE
-};
-
-// Ability to use mods in layouts
-#define LCTL(kc) (kc | QK_LCTL)
-#define LSFT(kc) (kc | QK_LSFT)
-#define LALT(kc) (kc | QK_LALT)
-#define LGUI(kc) (kc | QK_LGUI)
-#define RCTL(kc) (kc | QK_RCTL)
-#define RSFT(kc) (kc | QK_RSFT)
-#define RALT(kc) (kc | QK_RALT)
-#define RGUI(kc) (kc | QK_RGUI)
-
-#define HYPR(kc) (kc | QK_LCTL | QK_LSFT | QK_LALT | QK_LGUI)
-#define MEH(kc)  (kc | QK_LCTL | QK_LSFT | QK_LALT)
-#define LCAG(kc) (kc | QK_LCTL | QK_LALT | QK_LGUI)
-#define ALTG(kc) (kc | QK_RCTL | QK_RALT)
-
-#define MOD_HYPR 0xf
-#define MOD_MEH 0x7
-
-
-// Aliases for shifted symbols
-// Each key has a 4-letter code, and some have longer aliases too.
-// While the long aliases are descriptive, the 4-letter codes
-// make for nicer grid layouts (everything lines up), and are
-// the preferred style for Quantum.
-#define KC_TILD LSFT(KC_GRV)    // ~
-#define KC_TILDE    KC_TILD
-
-#define KC_EXLM LSFT(KC_1)      // !
-#define KC_EXCLAIM  KC_EXLM
-
-#define KC_AT   LSFT(KC_2)      // @
-
-#define KC_HASH LSFT(KC_3)      // #
-
-#define KC_DLR  LSFT(KC_4)      // $
-#define KC_DOLLAR   KC_DLR
-
-#define KC_PERC LSFT(KC_5)      // %
-#define KC_PERCENT  KC_PERC
-
-#define KC_CIRC LSFT(KC_6)      // ^
-#define KC_CIRCUMFLEX   KC_CIRC
-
-#define KC_AMPR LSFT(KC_7)      // &
-#define KC_AMPERSAND    KC_AMPR
-
-#define KC_ASTR LSFT(KC_8)      // *
-#define KC_ASTERISK KC_ASTR
-
-#define KC_LPRN LSFT(KC_9)      // (
-#define KC_LEFT_PAREN   KC_LPRN
-
-#define KC_RPRN LSFT(KC_0)      // )
-#define KC_RIGHT_PAREN  KC_RPRN
-
-#define KC_UNDS LSFT(KC_MINS)   // _
-#define KC_UNDERSCORE   KC_UNDS
-
-#define KC_PLUS LSFT(KC_EQL)    // +
-
-#define KC_LCBR LSFT(KC_LBRC)   // {
-#define KC_LEFT_CURLY_BRACE KC_LCBR
-
-#define KC_RCBR LSFT(KC_RBRC)   // }
-#define KC_RIGHT_CURLY_BRACE    KC_RCBR
-
-#define KC_LABK LSFT(KC_COMM)   // <
-#define KC_LEFT_ANGLE_BRACKET   KC_LABK
-
-#define KC_RABK LSFT(KC_DOT)    // >
-#define KC_RIGHT_ANGLE_BRACKET  KC_RABK
-
-#define KC_COLN LSFT(KC_SCLN)   // :
-#define KC_COLON    KC_COLN
-
-#define KC_PIPE LSFT(KC_BSLS)   // |
-
-#define KC_LT LSFT(KC_COMM)     // <
-
-#define KC_GT LSFT(KC_DOT)      // >
-
-#define KC_QUES LSFT(KC_SLSH)   // ?
-#define KC_QUESTION KC_QUES
-
-#define KC_DQT LSFT(KC_QUOT)   // "
-#define KC_DOUBLE_QUOTE KC_DQT
-#define KC_DQUO KC_DQT
-
-#define KC_DELT KC_DELETE // Del key (four letter code)
-
-// Alias for function layers than expand past FN31
-#define FUNC(kc) (kc | QK_FUNCTION)
-
-// Aliases
-#define S(kc) LSFT(kc)
-#define F(kc) FUNC(kc)
-
-#define M(kc) (kc | QK_MACRO)
-
-#define MACRODOWN(...) (record->event.pressed ? MACRO(__VA_ARGS__) : MACRO_NONE)
-
-// L-ayer, T-ap - 256 keycode max, 16 layer max
-#define LT(layer, kc) (kc | QK_LAYER_TAP | ((layer & 0xF) << 8))
-
-#define AG_SWAP MAGIC_SWAP_ALT_GUI
-#define AG_NORM MAGIC_UNSWAP_ALT_GUI
-
-#define BL_ON  BL_9
-#define BL_OFF BL_0
-
-#define MI_ON MIDI_ON
-#define MI_OFF MIDI_OFF
-
-// GOTO layer - 16 layers max
-// when:
-// ON_PRESS    = 1
-// ON_RELEASE  = 2
-// Unless you have a good reason not to do so, prefer  ON_PRESS (1) as your default.
-// In fact, we changed it to assume ON_PRESS for sanity/simplicity. If needed, you can add your own
-// keycode modeled after the old version, kept below for this.
-/* #define TO(layer, when) (layer | QK_TO | (when << 0x4)) */
-#define TO(layer) (layer | QK_TO | (ON_PRESS << 0x4))
-
-// Momentary switch layer - 256 layer max
-#define MO(layer) (layer | QK_MOMENTARY)
-
-// Set default layer - 256 layer max
-#define DF(layer) (layer | QK_DEF_LAYER)
-
-// Toggle to layer - 256 layer max
-#define TG(layer) (layer | QK_TOGGLE_LAYER)
-
-// One-shot layer - 256 layer max
-#define OSL(layer) (layer | QK_ONE_SHOT_LAYER)
-
-// One-shot mod
-#define OSM(mod) (mod | QK_ONE_SHOT_MOD)
-
-// M-od, T-ap - 256 keycode max
-#define MT(mod, kc) (kc | QK_MOD_TAP | ((mod & 0xF) << 8))
-#define CTL_T(kc) MT(MOD_LCTL, kc)
-#define SFT_T(kc) MT(MOD_LSFT, kc)
-#define ALT_T(kc) MT(MOD_LALT, kc)
-#define GUI_T(kc) MT(MOD_LGUI, kc)
-#define C_S_T(kc) MT((MOD_LCTL | MOD_LSFT), kc) // Control + Shift e.g. for gnome-terminal
-#define MEH_T(kc) MT((MOD_LCTL | MOD_LSFT | MOD_LALT), 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((MOD_LCTL | MOD_LALT | MOD_LGUI), kc) // Left control alt and gui
-#define ALL_T(kc) MT((MOD_LCTL | MOD_LSFT | MOD_LALT | MOD_LGUI), 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
-#define KC_HYPR HYPR(KC_NO)
-#define KC_MEH  MEH(KC_NO)
-
-#ifdef UNICODE_ENABLE
-    // For sending unicode codes.
-    // You may not send codes over 7FFF -- this supports most of UTF8.
-    // To have a key that sends out Œ, go UC(0x0152)
-    #define UNICODE(n) (n | QK_UNICODE)
-    #define UC(n) UNICODE(n)
-#endif
-
-#ifdef UNICODEMAP_ENABLE
-    #define X(n) (n | QK_UNICODE_MAP)
-#endif
 
 #endif
diff --git a/quantum/keymap_common.c b/quantum/keymap_common.c
index 833e5a8f8d..eced3d2bba 100644
--- a/quantum/keymap_common.c
+++ b/quantum/keymap_common.c
@@ -48,12 +48,10 @@ action_t action_for_key(uint8_t layer, keypos_t key)
 
     action_t action;
     uint8_t action_layer, when, mod;
-    // The arm-none-eabi compiler generates out of bounds warnings when using the fn_actions directly for some reason
-    const uint16_t* actions = fn_actions;
 
     switch (keycode) {
         case KC_FN0 ... KC_FN31:
-            action.code = pgm_read_word(&actions[FN_INDEX(keycode)]);
+            action.code = keymap_function_id_to_action(FN_INDEX(keycode));
             break;
         case KC_A ... KC_EXSEL:
         case KC_LCTRL ... KC_RGUI:
@@ -79,7 +77,7 @@ action_t action_for_key(uint8_t layer, keypos_t key)
         case QK_FUNCTION ... QK_FUNCTION_MAX: ;
             // Is a shortcut for function action_layer, pull last 12bits
             // This means we have 4,096 FN macros at our disposal
-            action.code = pgm_read_word(&actions[(int)keycode & 0xFFF]);
+            action.code = keymap_function_id_to_action( (int)keycode & 0xFFF );
             break;
         case QK_MACRO ... QK_MACRO_MAX:
             action.code = ACTION_MACRO(keycode & 0xFF);
@@ -163,9 +161,17 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
 {
 }
 
-/* translates key to keycode */
+// translates key to keycode
+__attribute__ ((weak))
 uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
 {
     // Read entire word (16bits)
     return pgm_read_word(&keymaps[(layer)][(key.row)][(key.col)]);
 }
+
+// translates function id to action
+__attribute__ ((weak))
+uint16_t keymap_function_id_to_action( uint16_t function_id )
+{
+	return pgm_read_word(&fn_actions[function_id]);
+}
diff --git a/quantum/quantum_keycodes.h b/quantum/quantum_keycodes.h
new file mode 100644
index 0000000000..5cd3c8e780
--- /dev/null
+++ b/quantum/quantum_keycodes.h
@@ -0,0 +1,313 @@
+
+#ifndef QUANTUM_KEYCODES_H
+#define QUANTUM_KEYCODES_H
+
+enum quantum_keycodes {
+    // Ranges used in shortucuts - not to be used directly
+    QK_TMK                = 0x0000,
+    QK_TMK_MAX            = 0x00FF,
+    QK_MODS               = 0x0100,
+    QK_LCTL               = 0x0100,
+    QK_LSFT               = 0x0200,
+    QK_LALT               = 0x0400,
+    QK_LGUI               = 0x0800,
+    QK_RMODS_MIN          = 0x1000,
+    QK_RCTL               = 0x1100,
+    QK_RSFT               = 0x1200,
+    QK_RALT               = 0x1400,
+    QK_RGUI               = 0x1800,
+    QK_MODS_MAX           = 0x1FFF,
+    QK_FUNCTION           = 0x2000,
+    QK_FUNCTION_MAX       = 0x2FFF,
+    QK_MACRO              = 0x3000,
+    QK_MACRO_MAX          = 0x3FFF,
+    QK_LAYER_TAP          = 0x4000,
+    QK_LAYER_TAP_MAX      = 0x4FFF,
+    QK_TO                 = 0x5000,
+    QK_TO_MAX             = 0x50FF,
+    QK_MOMENTARY          = 0x5100,
+    QK_MOMENTARY_MAX      = 0x51FF,
+    QK_DEF_LAYER          = 0x5200,
+    QK_DEF_LAYER_MAX      = 0x52FF,
+    QK_TOGGLE_LAYER       = 0x5300,
+    QK_TOGGLE_LAYER_MAX   = 0x53FF,
+    QK_ONE_SHOT_LAYER     = 0x5400,
+    QK_ONE_SHOT_LAYER_MAX = 0x54FF,
+    QK_ONE_SHOT_MOD       = 0x5500,
+    QK_ONE_SHOT_MOD_MAX   = 0x55FF,
+#ifndef DISABLE_CHORDING
+    QK_CHORDING           = 0x5600,
+    QK_CHORDING_MAX       = 0x56FF,
+#endif
+    QK_MOD_TAP            = 0x6000,
+    QK_MOD_TAP_MAX        = 0x6FFF,
+    QK_TAP_DANCE          = 0x7100,
+    QK_TAP_DANCE_MAX      = 0x71FF,
+#ifdef UNICODEMAP_ENABLE
+    QK_UNICODE_MAP        = 0x7800,
+    QK_UNICODE_MAP_MAX    = 0x7FFF,
+#endif
+#ifdef UNICODE_ENABLE
+    QK_UNICODE            = 0x8000,
+    QK_UNICODE_MAX        = 0xFFFF,
+#endif
+
+    // Loose keycodes - to be used directly
+
+    RESET = 0x7000,
+    DEBUG,
+    MAGIC_SWAP_CONTROL_CAPSLOCK,
+    MAGIC_CAPSLOCK_TO_CONTROL,
+    MAGIC_SWAP_LALT_LGUI,
+    MAGIC_SWAP_RALT_RGUI,
+    MAGIC_NO_GUI,
+    MAGIC_SWAP_GRAVE_ESC,
+    MAGIC_SWAP_BACKSLASH_BACKSPACE,
+    MAGIC_HOST_NKRO,
+    MAGIC_SWAP_ALT_GUI,
+    MAGIC_UNSWAP_CONTROL_CAPSLOCK,
+    MAGIC_UNCAPSLOCK_TO_CONTROL,
+    MAGIC_UNSWAP_LALT_LGUI,
+    MAGIC_UNSWAP_RALT_RGUI,
+    MAGIC_UNNO_GUI,
+    MAGIC_UNSWAP_GRAVE_ESC,
+    MAGIC_UNSWAP_BACKSLASH_BACKSPACE,
+    MAGIC_UNHOST_NKRO,
+    MAGIC_UNSWAP_ALT_GUI,
+    MAGIC_TOGGLE_NKRO,
+
+    // Leader key
+#ifndef DISABLE_LEADER
+    KC_LEAD,
+#endif
+
+    // Audio on/off/toggle
+    AU_ON,
+    AU_OFF,
+    AU_TOG,
+
+    // Music mode on/off/toggle
+    MU_ON,
+    MU_OFF,
+    MU_TOG,
+
+    // Music voice iterate
+    MUV_IN,
+    MUV_DE,
+
+    // Midi mode on/off
+    MIDI_ON,
+    MIDI_OFF,
+
+    // Backlight functionality
+    BL_0,
+    BL_1,
+    BL_2,
+    BL_3,
+    BL_4,
+    BL_5,
+    BL_6,
+    BL_7,
+    BL_8,
+    BL_9,
+    BL_10,
+    BL_11,
+    BL_12,
+    BL_13,
+    BL_14,
+    BL_15,
+    BL_DEC,
+    BL_INC,
+    BL_TOGG,
+    BL_STEP,
+
+    // RGB functionality
+    RGB_TOG,
+    RGB_MOD,
+    RGB_HUI,
+    RGB_HUD,
+    RGB_SAI,
+    RGB_SAD,
+    RGB_VAI,
+    RGB_VAD,
+
+    // Left shift, open paren
+    KC_LSPO,
+
+    // Right shift, close paren
+    KC_RSPC,
+
+    // Printing
+    PRINT_ON,
+    PRINT_OFF,
+
+    // always leave at the end
+    SAFE_RANGE
+};
+
+// Ability to use mods in layouts
+#define LCTL(kc) (kc | QK_LCTL)
+#define LSFT(kc) (kc | QK_LSFT)
+#define LALT(kc) (kc | QK_LALT)
+#define LGUI(kc) (kc | QK_LGUI)
+#define RCTL(kc) (kc | QK_RCTL)
+#define RSFT(kc) (kc | QK_RSFT)
+#define RALT(kc) (kc | QK_RALT)
+#define RGUI(kc) (kc | QK_RGUI)
+
+#define HYPR(kc) (kc | QK_LCTL | QK_LSFT | QK_LALT | QK_LGUI)
+#define MEH(kc)  (kc | QK_LCTL | QK_LSFT | QK_LALT)
+#define LCAG(kc) (kc | QK_LCTL | QK_LALT | QK_LGUI)
+#define ALTG(kc) (kc | QK_RCTL | QK_RALT)
+
+#define MOD_HYPR 0xf
+#define MOD_MEH 0x7
+
+
+// Aliases for shifted symbols
+// Each key has a 4-letter code, and some have longer aliases too.
+// While the long aliases are descriptive, the 4-letter codes
+// make for nicer grid layouts (everything lines up), and are
+// the preferred style for Quantum.
+#define KC_TILD LSFT(KC_GRV)    // ~
+#define KC_TILDE    KC_TILD
+
+#define KC_EXLM LSFT(KC_1)      // !
+#define KC_EXCLAIM  KC_EXLM
+
+#define KC_AT   LSFT(KC_2)      // @
+
+#define KC_HASH LSFT(KC_3)      // #
+
+#define KC_DLR  LSFT(KC_4)      // $
+#define KC_DOLLAR   KC_DLR
+
+#define KC_PERC LSFT(KC_5)      // %
+#define KC_PERCENT  KC_PERC
+
+#define KC_CIRC LSFT(KC_6)      // ^
+#define KC_CIRCUMFLEX   KC_CIRC
+
+#define KC_AMPR LSFT(KC_7)      // &
+#define KC_AMPERSAND    KC_AMPR
+
+#define KC_ASTR LSFT(KC_8)      // *
+#define KC_ASTERISK KC_ASTR
+
+#define KC_LPRN LSFT(KC_9)      // (
+#define KC_LEFT_PAREN   KC_LPRN
+
+#define KC_RPRN LSFT(KC_0)      // )
+#define KC_RIGHT_PAREN  KC_RPRN
+
+#define KC_UNDS LSFT(KC_MINS)   // _
+#define KC_UNDERSCORE   KC_UNDS
+
+#define KC_PLUS LSFT(KC_EQL)    // +
+
+#define KC_LCBR LSFT(KC_LBRC)   // {
+#define KC_LEFT_CURLY_BRACE KC_LCBR
+
+#define KC_RCBR LSFT(KC_RBRC)   // }
+#define KC_RIGHT_CURLY_BRACE    KC_RCBR
+
+#define KC_LABK LSFT(KC_COMM)   // <
+#define KC_LEFT_ANGLE_BRACKET   KC_LABK
+
+#define KC_RABK LSFT(KC_DOT)    // >
+#define KC_RIGHT_ANGLE_BRACKET  KC_RABK
+
+#define KC_COLN LSFT(KC_SCLN)   // :
+#define KC_COLON    KC_COLN
+
+#define KC_PIPE LSFT(KC_BSLS)   // |
+
+#define KC_LT LSFT(KC_COMM)     // <
+
+#define KC_GT LSFT(KC_DOT)      // >
+
+#define KC_QUES LSFT(KC_SLSH)   // ?
+#define KC_QUESTION KC_QUES
+
+#define KC_DQT LSFT(KC_QUOT)   // "
+#define KC_DOUBLE_QUOTE KC_DQT
+#define KC_DQUO KC_DQT
+
+#define KC_DELT KC_DELETE // Del key (four letter code)
+
+// Alias for function layers than expand past FN31
+#define FUNC(kc) (kc | QK_FUNCTION)
+
+// Aliases
+#define S(kc) LSFT(kc)
+#define F(kc) FUNC(kc)
+
+#define M(kc) (kc | QK_MACRO)
+
+#define MACRODOWN(...) (record->event.pressed ? MACRO(__VA_ARGS__) : MACRO_NONE)
+
+// L-ayer, T-ap - 256 keycode max, 16 layer max
+#define LT(layer, kc) (kc | QK_LAYER_TAP | ((layer & 0xF) << 8))
+
+#define AG_SWAP MAGIC_SWAP_ALT_GUI
+#define AG_NORM MAGIC_UNSWAP_ALT_GUI
+
+#define BL_ON  BL_9
+#define BL_OFF BL_0
+
+#define MI_ON MIDI_ON
+#define MI_OFF MIDI_OFF
+
+// GOTO layer - 16 layers max
+// when:
+// ON_PRESS    = 1
+// ON_RELEASE  = 2
+// Unless you have a good reason not to do so, prefer  ON_PRESS (1) as your default.
+// In fact, we changed it to assume ON_PRESS for sanity/simplicity. If needed, you can add your own
+// keycode modeled after the old version, kept below for this.
+/* #define TO(layer, when) (layer | QK_TO | (when << 0x4)) */
+#define TO(layer) (layer | QK_TO | (ON_PRESS << 0x4))
+
+// Momentary switch layer - 256 layer max
+#define MO(layer) (layer | QK_MOMENTARY)
+
+// Set default layer - 256 layer max
+#define DF(layer) (layer | QK_DEF_LAYER)
+
+// Toggle to layer - 256 layer max
+#define TG(layer) (layer | QK_TOGGLE_LAYER)
+
+// One-shot layer - 256 layer max
+#define OSL(layer) (layer | QK_ONE_SHOT_LAYER)
+
+// One-shot mod
+#define OSM(mod) (mod | QK_ONE_SHOT_MOD)
+
+// M-od, T-ap - 256 keycode max
+#define MT(mod, kc) (kc | QK_MOD_TAP | ((mod & 0xF) << 8))
+#define CTL_T(kc) MT(MOD_LCTL, kc)
+#define SFT_T(kc) MT(MOD_LSFT, kc)
+#define ALT_T(kc) MT(MOD_LALT, kc)
+#define GUI_T(kc) MT(MOD_LGUI, kc)
+#define C_S_T(kc) MT((MOD_LCTL | MOD_LSFT), kc) // Control + Shift e.g. for gnome-terminal
+#define MEH_T(kc) MT((MOD_LCTL | MOD_LSFT | MOD_LALT), 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((MOD_LCTL | MOD_LALT | MOD_LGUI), kc) // Left control alt and gui
+#define ALL_T(kc) MT((MOD_LCTL | MOD_LSFT | MOD_LALT | MOD_LGUI), 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
+#define KC_HYPR HYPR(KC_NO)
+#define KC_MEH  MEH(KC_NO)
+
+#ifdef UNICODE_ENABLE
+    // For sending unicode codes.
+    // You may not send codes over 7FFF -- this supports most of UTF8.
+    // To have a key that sends out Œ, go UC(0x0152)
+    #define UNICODE(n) (n | QK_UNICODE)
+    #define UC(n) UNICODE(n)
+#endif
+
+#ifdef UNICODEMAP_ENABLE
+    #define X(n) (n | QK_UNICODE_MAP)
+#endif
+
+#endif // QUANTUM_KEYCODES_H
diff --git a/tmk_core/common/keycode.h b/tmk_core/common/keycode.h
index 2f208c54e0..54e9c322c1 100644
--- a/tmk_core/common/keycode.h
+++ b/tmk_core/common/keycode.h
@@ -85,7 +85,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define KC_LCAP KC_LOCKING_CAPS
 #define KC_LNUM KC_LOCKING_NUM
 #define KC_LSCR KC_LOCKING_SCROLL
-#define KC_ERAS KC_ALT_ERASE,
+#define KC_ERAS KC_ALT_ERASE
 #define KC_CLR  KC_CLEAR
 /* Japanese specific */
 #define KC_ZKHK KC_GRAVE