cleanup lets_split

17 files changed, 98 insertions, 427 deletions

diff --git a/keyboards/lets_split/config.h b/keyboards/lets_split/config.h
index 008fb0978..116a7f803 100644
--- a/keyboards/lets_split/config.h
+++ b/keyboards/lets_split/config.h
@@ -26,7 +26,5 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #ifdef SUBPROJECT_rev2
     #include "rev2/config.h"
 #endif
-#ifdef SUBPROJECT_rev2fliphalf
-	#include "../../rev2fliphalf/config.h"
-#endif
+
 #endif
diff --git a/keyboards/lets_split/keymaps/OLED_sample/config.h b/keyboards/lets_split/keymaps/OLED_sample/config.h
index 8389ba111..89ecc904b 100644
--- a/keyboards/lets_split/keymaps/OLED_sample/config.h
+++ b/keyboards/lets_split/keymaps/OLED_sample/config.h
@@ -1,23 +1,18 @@
-/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
 
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
+#include "../../config.h"
 
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+/* Use I2C or Serial, not both */
 
 #define USE_I2C
 //#define USE_SERIAL
-//#define MASTER_RIGHT
+
+/* Select hand configuration */
+
+#define MASTER_LEFT
+// #define _MASTER_RIGHT
+// #define EE_HANDS
 #define FLIP_HALF
 
 #define SSD1306OLED
@@ -40,3 +35,5 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLIGHT_HUE_STEP 10
 #define RGBLIGHT_SAT_STEP 17
 #define RGBLIGHT_VAL_STEP 17
+
+#endif
\ No newline at end of file
diff --git a/keyboards/lets_split/keymaps/adam/config.h b/keyboards/lets_split/keymaps/adam/config.h
index 177dd22d7..736e6efe3 100644
--- a/keyboards/lets_split/keymaps/adam/config.h
+++ b/keyboards/lets_split/keymaps/adam/config.h
@@ -1,43 +1,30 @@
-/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
 
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+#include "../../config.h"
 
+/* Use I2C or Serial, not both */
 
 #define USE_SERIAL
+// #define USE_I2C
+
+/* Select hand configuration */
 
-//#define MASTER_LEFT
-// #define MASTER_RIGHT
+// #define MASTER_LEFT
+// #define _MASTER_RIGHT
 #define EE_HANDS
 
-#ifdef SUBPROJECT_rev1
-    #include "../../rev1/config.h"
-#endif
 #ifdef SUBPROJECT_rev2
-    #include "../../rev2/config.h"
     /* RGB Underglow */
     #undef RGBLED_NUM
     #define RGBLIGHT_ANIMATIONS
     #define RGBLED_NUM 8
 #endif
-#ifdef SUBPROJECT_rev2fliphalf
-	#include "../../rev2fliphalf/config.h"
-#endif
 
 #undef TAPPING_TERM
 #define TAPPING_TERM 200 //At 500 some bad logic takes hold
 #define PREVENT_STUCK_MODIFIERS
 #define IGNORE_MOD_TAP_INTERRUPT
 #define PERMISSIVE_HOLD
+
+#endif
\ No newline at end of file
diff --git a/keyboards/lets_split/keymaps/default/Makefile b/keyboards/lets_split/keymaps/default/Makefile
new file mode 100644
index 000000000..457a3d01d
--- /dev/null
+++ b/keyboards/lets_split/keymaps/default/Makefile
@@ -0,0 +1,3 @@
+ifndef QUANTUM_DIR
+	include ../../../../Makefile
+endif
diff --git a/keyboards/lets_split/keymaps/default/config.h b/keyboards/lets_split/keymaps/default/config.h
new file mode 100644
index 000000000..77ab02dee
--- /dev/null
+++ b/keyboards/lets_split/keymaps/default/config.h
@@ -0,0 +1,17 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/* Use I2C or Serial, not both */
+
+#define USE_SERIAL
+// #define USE_I2C
+
+/* Select hand configuration */
+
+#define MASTER_LEFT
+// #define _MASTER_RIGHT
+// #define EE_HANDS
+
+#endif
\ No newline at end of file
diff --git a/keyboards/lets_split/keymaps/i2c/keymap.c b/keyboards/lets_split/keymaps/default/keymap.c
index 936312b2e..936312b2e 100644
--- a/keyboards/lets_split/keymaps/i2c/keymap.c
+++ b/keyboards/lets_split/keymaps/default/keymap.c
diff --git a/keyboards/lets_split/keymaps/hexwire/config.h b/keyboards/lets_split/keymaps/hexwire/config.h
index e315d8c0c..e29b40c98 100644
--- a/keyboards/lets_split/keymaps/hexwire/config.h
+++ b/keyboards/lets_split/keymaps/hexwire/config.h
@@ -1,35 +1,26 @@
-/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
 
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
+#include "../../config.h"
 
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+/* Use I2C or Serial, not both */
 
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+#define USE_SERIAL
+// #define USE_I2C
 
+/* Select hand configuration */
 
-#define USE_SERIAL
+#define MASTER_LEFT
+// #define _MASTER_RIGHT
+// #define EE_HANDS
 
 #define TAPPING_TERM 150
 
-#ifdef SUBPROJECT_rev1
-    #include "../../rev1/config.h"
-#endif
-#ifdef SUBPROJECT_rev2
-    #include "../../rev2/config.h"
-#endif
-
 #undef RGBLED_NUM
 #define RGBLIGHT_ANIMATIONS
 #define RGBLED_NUM 8
 #define RGBLIGHT_HUE_STEP 8
 #define RGBLIGHT_SAT_STEP 8
 #define RGBLIGHT_VAL_STEP 8
+
+#endif
\ No newline at end of file
diff --git a/keyboards/lets_split/keymaps/i2c/config.h b/keyboards/lets_split/keymaps/i2c/config.h
deleted file mode 100644
index 013542731..000000000
--- a/keyboards/lets_split/keymaps/i2c/config.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-#define USE_I2C
-
-#define MASTER_LEFT
-// #define _MASTER_RIGHT
-// #define EE_HANDS
-
-#ifdef SUBPROJECT_rev1
-    #include "../../rev1/config.h"
-#endif
-#ifdef SUBPROJECT_rev2
-    #include "../../rev2/config.h"
-#endif
-#ifdef SUBPROJECT_rev2fliphalf
-	#include "../../rev2fliphalf/config.h"
-#endif
diff --git a/keyboards/lets_split/keymaps/khord/config.h b/keyboards/lets_split/keymaps/khord/config.h
index 2d845827b..e3bd2c72e 100644
--- a/keyboards/lets_split/keymaps/khord/config.h
+++ b/keyboards/lets_split/keymaps/khord/config.h
@@ -1,33 +1,21 @@
-/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
 
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+#include "../../config.h"
 
 #define TAPPING_TERM 150
 
+/* Use I2C or Serial, not both */
+
 #define USE_SERIAL
+// #define USE_I2C
+
+/* Select hand configuration */
+
+//#define MASTER_LEFT
+// #define _MASTER_RIGHT
 #define EE_HANDS
 
 #define RGBLIGHT_ANIMATIONS
 
-#ifdef SUBPROJECT_rev1
-    #include "../../rev1/config.h"
-#endif
-#ifdef SUBPROJECT_rev2
-    #include "../../rev2/config.h"
-#endif
-#ifdef SUBPROJECT_rev2fliphalf
-	#include "../../rev2fliphalf/config.h"
-#endif
+#endif
\ No newline at end of file
diff --git a/keyboards/lets_split/keymaps/serial/config.h b/keyboards/lets_split/keymaps/serial/config.h
deleted file mode 100644
index ba271d1ac..000000000
--- a/keyboards/lets_split/keymaps/serial/config.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-
-#define USE_SERIAL
-
-#define MASTER_LEFT
-// #define _MASTER_RIGHT
-// #define EE_HANDS
-
-
-#ifdef SUBPROJECT_rev1
-    #include "../../rev1/config.h"
-#endif
-#ifdef SUBPROJECT_rev2
-    #include "../../rev2/config.h"
-#endif
-#ifdef SUBPROJECT_rev2fliphalf
-	#include "../../rev2fliphalf/config.h"
-#endif
diff --git a/keyboards/lets_split/keymaps/serial/keymap.c b/keyboards/lets_split/keymaps/serial/keymap.c
deleted file mode 100644
index 936312b2e..000000000
--- a/keyboards/lets_split/keymaps/serial/keymap.c
+++ /dev/null
@@ -1,214 +0,0 @@
-#include "lets_split.h"
-#include "action_layer.h"
-#include "eeconfig.h"
-
-extern keymap_config_t keymap_config;
-
-// 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 _QWERTY 0
-#define _COLEMAK 1
-#define _DVORAK 2
-#define _LOWER 3
-#define _RAISE 4
-#define _ADJUST 16
-
-enum custom_keycodes {
-  QWERTY = SAFE_RANGE,
-  COLEMAK,
-  DVORAK,
-  LOWER,
-  RAISE,
-  ADJUST,
-};
-
-// Fillers to make layering more clear
-#define _______ KC_TRNS
-#define XXXXXXX KC_NO
-
-const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-
-/* Qwerty
- * ,-----------------------------------------------------------------------------------.
- * | Tab  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  | Bksp |
- * |------+------+------+------+------+-------------+------+------+------+------+------|
- * | Esc  |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |  "   |
- * |------+------+------+------+------+------|------+------+------+------+------+------|
- * | Shift|   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  |Enter |
- * |------+------+------+------+------+------+------+------+------+------+------+------|
- * |Adjust| Ctrl | Alt  | GUI  |Lower |Space |Space |Raise | Left | Down |  Up  |Right |
- * `-----------------------------------------------------------------------------------'
- */
-[_QWERTY] = KEYMAP( \
-  KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC, \
-  KC_ESC,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT, \
-  KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT , \
-  ADJUST,  KC_LCTL, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT \
-),
-
-/* Colemak
- * ,-----------------------------------------------------------------------------------.
- * | Tab  |   Q  |   W  |   F  |   P  |   G  |   J  |   L  |   U  |   Y  |   ;  | Bksp |
- * |------+------+------+------+------+-------------+------+------+------+------+------|
- * | Esc  |   A  |   R  |   S  |   T  |   D  |   H  |   N  |   E  |   I  |   O  |  "   |
- * |------+------+------+------+------+------|------+------+------+------+------+------|
- * | Shift|   Z  |   X  |   C  |   V  |   B  |   K  |   M  |   ,  |   .  |   /  |Enter |
- * |------+------+------+------+------+------+------+------+------+------+------+------|
- * |Adjust| Ctrl | Alt  | GUI  |Lower |Space |Space |Raise | Left | Down |  Up  |Right |
- * `-----------------------------------------------------------------------------------'
- */
-[_COLEMAK] = KEYMAP( \
-  KC_TAB,  KC_Q,    KC_W,    KC_F,    KC_P,    KC_G,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, KC_BSPC, \
-  KC_ESC,  KC_A,    KC_R,    KC_S,    KC_T,    KC_D,    KC_H,    KC_N,    KC_E,    KC_I,    KC_O,    KC_QUOT, \
-  KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_K,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT , \
-  ADJUST,  KC_LCTL, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT \
-),
-
-/* Dvorak
- * ,-----------------------------------------------------------------------------------.
- * | Tab  |   "  |   ,  |   .  |   P  |   Y  |   F  |   G  |   C  |   R  |   L  | Bksp |
- * |------+------+------+------+------+-------------+------+------+------+------+------|
- * | Esc  |   A  |   O  |   E  |   U  |   I  |   D  |   H  |   T  |   N  |   S  |  /   |
- * |------+------+------+------+------+------|------+------+------+------+------+------|
- * | Shift|   ;  |   Q  |   J  |   K  |   X  |   B  |   M  |   W  |   V  |   Z  |Enter |
- * |------+------+------+------+------+------+------+------+------+------+------+------|
- * |Adjust| Ctrl | Alt  | GUI  |Lower |Space |Space |Raise | Left | Down |  Up  |Right |
- * `-----------------------------------------------------------------------------------'
- */
-[_DVORAK] = KEYMAP( \
-  KC_TAB,  KC_QUOT, KC_COMM, KC_DOT,  KC_P,    KC_Y,    KC_F,    KC_G,    KC_C,    KC_R,    KC_L,    KC_BSPC, \
-  KC_ESC,  KC_A,    KC_O,    KC_E,    KC_U,    KC_I,    KC_D,    KC_H,    KC_T,    KC_N,    KC_S,    KC_SLSH, \
-  KC_LSFT, KC_SCLN, KC_Q,    KC_J,    KC_K,    KC_X,    KC_B,    KC_M,    KC_W,    KC_V,    KC_Z,    KC_ENT , \
-  ADJUST,  KC_LCTL, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT \
-),
-
-/* Lower
- * ,-----------------------------------------------------------------------------------.
- * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Bksp |
- * |------+------+------+------+------+-------------+------+------+------+------+------|
- * | Del  |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   _  |   +  |     |    \  |  |   |
- * |------+------+------+------+------+------|------+------+------+------+------+------|
- * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |ISO ~ |ISO | |      |      |Enter |
- * |------+------+------+------+------+------+------+------+------+------+------+------|
- * |      |      |      |      |      |             |      | Next | Vol- | Vol+ | Play |
- * `-----------------------------------------------------------------------------------'
- */
-[_LOWER] = KEYMAP( \
-  KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_BSPC, \
-  KC_DEL,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_UNDS, KC_PLUS, KC_LCBR, KC_RCBR, KC_PIPE, \
-  _______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,S(KC_NUHS),S(KC_NUBS),_______, _______, _______, \
-  _______, _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY \
-),
-
-/* Raise
- * ,-----------------------------------------------------------------------------------.
- * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
- * |------+------+------+------+------+-------------+------+------+------+------+------|
- * | Del  |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   -  |   =  |   [  |   ]  |  \   |
- * |------+------+------+------+------+------|------+------+------+------+------+------|
- * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |ISO # |ISO / |      |      |Enter |
- * |------+------+------+------+------+------+------+------+------+------+------+------|
- * |      |      |      |      |      |             |      | Next | Vol- | Vol+ | Play |
- * `-----------------------------------------------------------------------------------'
- */
-[_RAISE] = KEYMAP( \
-  KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC, \
-  KC_DEL,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS, \
-  _______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_NUHS, KC_NUBS, _______, _______, _______, \
-  _______, _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY \
-),
-
-/* Adjust (Lower + Raise)
- * ,-----------------------------------------------------------------------------------.
- * |      | Reset|      |      |      |      |      |      |      |      |      |  Del |
- * |------+------+------+------+------+-------------+------+------+------+------+------|
- * |      |      |      |Aud on|Audoff|AGnorm|AGswap|Qwerty|Colemk|Dvorak|      |      |
- * |------+------+------+------+------+------|------+------+------+------+------+------|
- * |      |      |      |      |      |      |      |      |      |      |      |      |
- * |------+------+------+------+------+------+------+------+------+------+------+------|
- * |      |      |      |      |      |             |      |      |      |      |      |
- * `-----------------------------------------------------------------------------------'
- */
-[_ADJUST] =  KEYMAP( \
-  _______, RESET,   _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_DEL, \
-  _______, _______, _______, AU_ON,   AU_OFF,  AG_NORM, AG_SWAP, QWERTY,  COLEMAK, DVORAK,  _______, _______, \
-  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, \
-  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______ \
-)
-
-
-};
-
-#ifdef AUDIO_ENABLE
-float tone_qwerty[][2]     = SONG(QWERTY_SOUND);
-float tone_dvorak[][2]     = SONG(DVORAK_SOUND);
-float tone_colemak[][2]    = SONG(COLEMAK_SOUND);
-#endif
-
-void persistent_default_layer_set(uint16_t default_layer) {
-  eeconfig_update_default_layer(default_layer);
-  default_layer_set(default_layer);
-}
-
-bool process_record_user(uint16_t keycode, keyrecord_t *record) {
-  switch (keycode) {
-    case QWERTY:
-      if (record->event.pressed) {
-        #ifdef AUDIO_ENABLE
-          PLAY_NOTE_ARRAY(tone_qwerty, false, 0);
-        #endif
-        persistent_default_layer_set(1UL<<_QWERTY);
-      }
-      return false;
-      break;
-    case COLEMAK:
-      if (record->event.pressed) {
-        #ifdef AUDIO_ENABLE
-          PLAY_NOTE_ARRAY(tone_colemak, false, 0);
-        #endif
-        persistent_default_layer_set(1UL<<_COLEMAK);
-      }
-      return false;
-      break;
-    case DVORAK:
-      if (record->event.pressed) {
-        #ifdef AUDIO_ENABLE
-          PLAY_NOTE_ARRAY(tone_dvorak, false, 0);
-        #endif
-        persistent_default_layer_set(1UL<<_DVORAK);
-      }
-      return false;
-      break;
-    case LOWER:
-      if (record->event.pressed) {
-        layer_on(_LOWER);
-        update_tri_layer(_LOWER, _RAISE, _ADJUST);
-      } else {
-        layer_off(_LOWER);
-        update_tri_layer(_LOWER, _RAISE, _ADJUST);
-      }
-      return false;
-      break;
-    case RAISE:
-      if (record->event.pressed) {
-        layer_on(_RAISE);
-        update_tri_layer(_LOWER, _RAISE, _ADJUST);
-      } else {
-        layer_off(_RAISE);
-        update_tri_layer(_LOWER, _RAISE, _ADJUST);
-      }
-      return false;
-      break;
-    case ADJUST:
-      if (record->event.pressed) {
-        layer_on(_ADJUST);
-      } else {
-        layer_off(_ADJUST);
-      }
-      return false;
-      break;
-  }
-  return true;
-}
\ No newline at end of file
diff --git a/keyboards/lets_split/keymaps/smt/config.h b/keyboards/lets_split/keymaps/smt/config.h
index ba271d1ac..ddc98415d 100644
--- a/keyboards/lets_split/keymaps/smt/config.h
+++ b/keyboards/lets_split/keymaps/smt/config.h
@@ -1,34 +1,17 @@
-/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
 
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+#include "../../config.h"
 
+/* Use I2C or Serial, not both */
 
 #define USE_SERIAL
+// #define USE_I2C
+
+/* Select hand configuration */
 
 #define MASTER_LEFT
 // #define _MASTER_RIGHT
 // #define EE_HANDS
 
-
-#ifdef SUBPROJECT_rev1
-    #include "../../rev1/config.h"
-#endif
-#ifdef SUBPROJECT_rev2
-    #include "../../rev2/config.h"
-#endif
-#ifdef SUBPROJECT_rev2fliphalf
-	#include "../../rev2fliphalf/config.h"
 #endif
diff --git a/keyboards/lets_split/keymaps/xyverz/config.h b/keyboards/lets_split/keymaps/xyverz/config.h
index 1b5be030e..a03ea5084 100644
--- a/keyboards/lets_split/keymaps/xyverz/config.h
+++ b/keyboards/lets_split/keymaps/xyverz/config.h
@@ -1,37 +1,25 @@
-/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
 
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+#include "../../config.h"
 
+/* Use I2C or Serial, not both */
 
 #define USE_SERIAL
+// #define USE_I2C
+
+/* Select hand configuration */
 
 #define MASTER_LEFT
-// #define MASTER_RIGHT
+// #define _MASTER_RIGHT
 // #define EE_HANDS
 
-#ifdef SUBPROJECT_rev1
-    #include "../../rev1/config.h"
-#endif
+
 #ifdef SUBPROJECT_rev2
-    #include "../../rev2/config.h"
     /* RGB Underglow */
     #undef RGBLED_NUM
     #define RGBLIGHT_ANIMATIONS
     #define RGBLED_NUM 8
 #endif
-#ifdef SUBPROJECT_rev2fliphalf
-	#include "../../rev2fliphalf/config.h"
-#endif
+
+#endif
\ No newline at end of file
diff --git a/keyboards/lets_split/lets_split.h b/keyboards/lets_split/lets_split.h
index 1892bf2cb..f7dc24a44 100644
--- a/keyboards/lets_split/lets_split.h
+++ b/keyboards/lets_split/lets_split.h
@@ -7,9 +7,6 @@
 #ifdef SUBPROJECT_rev2
     #include "rev2.h"
 #endif
-#ifdef SUBPROJECT_rev2fliphalf
-	#include "rev2fliphalf.h"
-#endif
 
 // Used to create a keymap using only KC_ prefixed keys
 #define KC_KEYMAP( \
diff --git a/keyboards/lets_split/readme.md b/keyboards/lets_split/readme.md
index d665d013e..610b776ee 100644
--- a/keyboards/lets_split/readme.md
+++ b/keyboards/lets_split/readme.md
@@ -19,14 +19,13 @@ There is additional information there about flashing and adding RGB underglow.
 Download or clone the whole firmware and navigate to the keyboards/lets_split directory. Once your dev env is setup, you'll be able to generate the default .hex using:
 
 ```
-$ make rev2
+$ make rev2-default
 ```
 
-You will see a lot of output and if everything worked correctly you will see the built hex files:
+You will see a lot of output and if everything worked correctly you will see the built hex file:
 
 ```
-lets_split_rev2_serial.hex
-lets_split_rev2_i2c.hex
+lets_split_rev2_default.hex
 ```
 
 If you would like to use one of the alternative keymaps, or create your own, copy one of the existing [keymaps](keymaps/) and run make like so:
@@ -101,6 +100,8 @@ The pull-up resistors may be placed on either half. It is also possible
 to use 4 resistors and have the pull-ups in both halves, but this is
 unnecessary in simple use cases.
 
+You can change your configuration between serial and i2c by modifying your `config.h` file.
+
 Notes on Software Configuration
 -------------------------------
 
@@ -115,7 +116,7 @@ not be very difficult to adapt it to support more if required.
 Flashing
 -------
 From the keymap directory run `make SUBPROJECT-KEYMAP-avrdude` for automatic serial port resolution and flashing.
-Example: `make rev2-serial-avrdude`
+Example: `make rev2-default-avrdude`
 
 
 Choosing which board to plug the USB cable into (choosing Master)
diff --git a/keyboards/lets_split/rev1/config.h b/keyboards/lets_split/rev1/config.h
index bc6872807..d1de65ed8 100644
--- a/keyboards/lets_split/rev1/config.h
+++ b/keyboards/lets_split/rev1/config.h
@@ -15,10 +15,10 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef CONFIG_H
-#define CONFIG_H
+#ifndef REV1_CONFIG_H
+#define REV1_CONFIG_H
 
-#include "config_common.h"
+#include "../config.h"
 
 /* USB Device descriptor parameter */
 #define VENDOR_ID       0xFEED
diff --git a/keyboards/lets_split/rev2/config.h b/keyboards/lets_split/rev2/config.h
index ca268cd6c..531f69cb1 100644
--- a/keyboards/lets_split/rev2/config.h
+++ b/keyboards/lets_split/rev2/config.h
@@ -15,10 +15,10 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef CONFIG_H
-#define CONFIG_H
+#ifndef REV2_CONFIG_H
+#define REV2_CONFIG_H
 
-#include "config_common.h"
+#include "../config.h"
 
 /* USB Device descriptor parameter */
 #define VENDOR_ID       0xFEED