merging lets_split

15 files changed, 362 insertions, 128 deletions

diff --git a/keyboards/lets_split/config.h b/keyboards/lets_split/config.h
index b0ad522fcb..4db45ab0b3 100644
--- a/keyboards/lets_split/config.h
+++ b/keyboards/lets_split/config.h
@@ -28,29 +28,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define PRODUCT         Lets Split
 #define DESCRIPTION     A split keyboard for the cheap makers
 
-/* key matrix size */
-// Rows are doubled-up
-#define MATRIX_ROWS 8
-#define MATRIX_COLS 6
-
-// wiring of each half
-#define MATRIX_ROW_PINS { B5, B4, E6, D7 }
-#define MATRIX_COL_PINS { F4, F5, F6, F7, B1, B3 }
-
-#define CATERINA_BOOTLOADER
-
-// #define USE_I2C
-
-// Use serial if not using I2C
-#ifndef USE_I2C
-#  define USE_SERIAL
-#endif
-
-// #define EE_HANDS
-
-#define I2C_MASTER_LEFT
-// #define I2C_MASTER_RIGHT
-
 /* COL2ROW or ROW2COL */
 #define DIODE_DIRECTION COL2ROW
 
@@ -73,24 +50,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
     keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
 )
 
-/* ws2812 RGB LED */
-#define RGB_DI_PIN D4
-#define RGBLIGHT_ANIMATIONS
-#define RGBLED_NUM 8     // Number of LEDs
-#define RGBLIGHT_HUE_STEP 10
-#define RGBLIGHT_SAT_STEP 17
-#define RGBLIGHT_VAL_STEP 17
-
-/*
- * Feature disable options
- *  These options are also useful to firmware size reduction.
- */
-
 /* disable debug print */
-// #define NO_DEBUG
+//#define NO_DEBUG
 
 /* disable print */
-// #define NO_PRINT
+//#define NO_PRINT
 
 /* disable action features */
 //#define NO_ACTION_LAYER
@@ -99,4 +63,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
 
+#ifdef SUBPROJECT_rev1
+    #include "rev1/config.h"
+#endif
+#ifdef SUBPROJECT_rev2
+    #include "rev2/config.h"
+#endif
 #endif
diff --git a/keyboards/lets_split/keymaps/default/keymap.c b/keyboards/lets_split/keymaps/default/keymap.c
index 0d2d94b672..6f1f71f5f8 100644
--- a/keyboards/lets_split/keymaps/default/keymap.c
+++ b/keyboards/lets_split/keymaps/default/keymap.c
@@ -42,10 +42,10 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  * `-----------------------------------------------------------------------------------'
  */
 [_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_ESC,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC, \
+  KC_TAB,  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 \
+  KC_LCTL, ADJUST, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  MT(MOD_LSFT, KC_SPC),  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT \
 ),
 
 /* Colemak
@@ -83,41 +83,17 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   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, \
+[3] = KEYMAP( \
+  KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, _______, \
   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 \
+  _______, _______, _______, _______, _______, KC_BSPC, MT(MOD_LSFT, KC_BSPC), _______, 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, \
+[4] = KEYMAP( \
+  KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    _______, \
   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 \
+  _______, _______, _______, _______, _______, KC_ENT, MT(MOD_LSFT, KC_ENT), _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY \
 ),
 
 /* Adjust (Lower + Raise)
@@ -134,11 +110,9 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 [_ADJUST] =  KEYMAP( \
   _______, RESET,   _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_DEL, \
   _______, _______, _______, AU_ON,   AU_OFF,  AG_NORM, AG_SWAP, QWERTY,  COLEMAK, DVORAK,  _______, _______, \
-  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, \
+  _______, RGB_TOG,RGB_MOD,RGB_HUI,RGB_HUD,RGB_SAI,RGB_SAD,RGB_VAI,RGB_VAD, _______, _______, _______, \
   _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______ \
 )
-
-
 };
 
 #ifdef AUDIO_ENABLE
diff --git a/keyboards/lets_split/lets_split.c b/keyboards/lets_split/lets_split.c
index c505d3a6e3..117b727a85 100644
--- a/keyboards/lets_split/lets_split.c
+++ b/keyboards/lets_split/lets_split.c
@@ -1,32 +1 @@
-#include "lets_split.h"
-
-#ifdef AUDIO_ENABLE
-    float tone_startup[][2] = SONG(STARTUP_SOUND);
-    float tone_goodbye[][2] = SONG(GOODBYE_SOUND);
-#endif
-
-void matrix_init_kb(void) {
-
-    #ifdef AUDIO_ENABLE
-        _delay_ms(20); // gets rid of tick
-        PLAY_NOTE_ARRAY(tone_startup, false, 0);
-    #endif
-
-    // // green led on
-    // DDRD |= (1<<5);
-    // PORTD &= ~(1<<5);
-
-    // // orange led on
-    // DDRB |= (1<<0);
-    // PORTB &= ~(1<<0);
-
-	matrix_init_user();
-};
-
-void shutdown_user(void) {
-    #ifdef AUDIO_ENABLE
-        PLAY_NOTE_ARRAY(tone_goodbye, false, 0);
-	_delay_ms(150);
-	stop_all_notes();
-    #endif
-}
+#include "lets_split.h"
\ No newline at end of file
diff --git a/keyboards/lets_split/lets_split.h b/keyboards/lets_split/lets_split.h
index fe7ae07679..2cdfb061f2 100644
--- a/keyboards/lets_split/lets_split.h
+++ b/keyboards/lets_split/lets_split.h
@@ -1,25 +1,13 @@
 #ifndef LETS_SPLIT_H
 #define LETS_SPLIT_H
 
-#include "quantum.h"
-
-void promicro_bootloader_jmp(bool program);
+#ifdef SUBPROJECT_rev1
+    #include "rev1.h"
+#endif
+#ifdef SUBPROJECT_rev2
+    #include "rev2.h"
+#endif
 
-#define KEYMAP( \
-	k00, k01, k02, k03, k04, k05, k40, k41, k42, k43, k44, k45, \
-	k10, k11, k12, k13, k14, k15, k50, k51, k52, k53, k54, k55, \
-	k20, k21, k22, k23, k24, k25, k60, k61, k62, k63, k64, k65, \
-	k30, k31, k32, k33, k34, k35, k70, k71, k72, k73, k74, k75 \
-	) \
-	{ \
-		{ k00, k01, k02, k03, k04, k05 }, \
-		{ k10, k11, k12, k13, k14, k15 }, \
-		{ k20, k21, k22, k23, k24, k25 }, \
-		{ k30, k31, k32, k33, k34, k35 }, \
-		{ k40, k41, k42, k43, k44, k45 }, \
-		{ k50, k51, k52, k53, k54, k55 }, \
-		{ k60, k61, k62, k63, k64, k65 }, \
-		{ k70, k71, k72, k73, k74, k75 } \
-	}
+#include "quantum.h"
 
 #endif
\ No newline at end of file
diff --git a/keyboards/lets_split/rev1/Makefile b/keyboards/lets_split/rev1/Makefile
new file mode 100644
index 0000000000..4e2a6f00fd
--- /dev/null
+++ b/keyboards/lets_split/rev1/Makefile
@@ -0,0 +1,3 @@
+ifndef MAKEFILE_INCLUDED
+	include ../../Makefile
+endif
\ No newline at end of file
diff --git a/keyboards/lets_split/rev1/config.h b/keyboards/lets_split/rev1/config.h
new file mode 100644
index 0000000000..825e5ec245
--- /dev/null
+++ b/keyboards/lets_split/rev1/config.h
@@ -0,0 +1,94 @@
+/*
+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/>.
+*/
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID       0xFEED
+#define PRODUCT_ID      0x3060
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    Wootpatoot
+#define PRODUCT         Lets Split
+#define PRODUCT         Lets Split v1
+#define DESCRIPTION     A split keyboard for the cheap makers
+
+/* key matrix size */
+// Rows are doubled-up
+#define MATRIX_ROWS 8
+#define MATRIX_COLS 6
+
+// wiring of each half
+#define MATRIX_ROW_PINS { B5, B4, E6, D7 }
+#define MATRIX_COL_PINS { F4, F5, F6, F7, B1, B3 }
+
+#define CATERINA_BOOTLOADER
+
+// #define USE_I2C
+// Use serial if not using I2C
+#ifndef USE_I2C
+#  define USE_SERIAL
+#endif
+
+// #define EE_HANDS
+
+#define I2C_MASTER_LEFT
+// #define I2C_MASTER_RIGHT
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/* define if matrix has ghost */
+//#define MATRIX_HAS_GHOST
+
+/* number of backlight levels */
+// #define BACKLIGHT_LEVELS 3
+
+/* Set 0 if debouncing isn't needed */
+#define DEBOUNCING_DELAY 5
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+/* key combination for command */
+#define IS_COMMAND() ( \
+    keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
+)
+
+/*
+ * Feature disable options
+ *  These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+// #define NO_DEBUG
+
+/* disable print */
+// #define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+//#define NO_ACTION_MACRO
+//#define NO_ACTION_FUNCTION
+
+#endif
diff --git a/keyboards/lets_split/rev1/rev1.c b/keyboards/lets_split/rev1/rev1.c
new file mode 100644
index 0000000000..c505d3a6e3
--- /dev/null
+++ b/keyboards/lets_split/rev1/rev1.c
@@ -0,0 +1,32 @@
+#include "lets_split.h"
+
+#ifdef AUDIO_ENABLE
+    float tone_startup[][2] = SONG(STARTUP_SOUND);
+    float tone_goodbye[][2] = SONG(GOODBYE_SOUND);
+#endif
+
+void matrix_init_kb(void) {
+
+    #ifdef AUDIO_ENABLE
+        _delay_ms(20); // gets rid of tick
+        PLAY_NOTE_ARRAY(tone_startup, false, 0);
+    #endif
+
+    // // green led on
+    // DDRD |= (1<<5);
+    // PORTD &= ~(1<<5);
+
+    // // orange led on
+    // DDRB |= (1<<0);
+    // PORTB &= ~(1<<0);
+
+	matrix_init_user();
+};
+
+void shutdown_user(void) {
+    #ifdef AUDIO_ENABLE
+        PLAY_NOTE_ARRAY(tone_goodbye, false, 0);
+	_delay_ms(150);
+	stop_all_notes();
+    #endif
+}
diff --git a/keyboards/lets_split/rev1/rev1.h b/keyboards/lets_split/rev1/rev1.h
new file mode 100644
index 0000000000..4667c9fb09
--- /dev/null
+++ b/keyboards/lets_split/rev1/rev1.h
@@ -0,0 +1,28 @@
+#ifndef REV1_H
+#define REV1_H
+
+#include "../lets_split.h"
+
+//void promicro_bootloader_jmp(bool program);
+#include "quantum.h"
+
+//void promicro_bootloader_jmp(bool program);
+
+#define KEYMAP( \
+	k00, k01, k02, k03, k04, k05, k40, k41, k42, k43, k44, k45, \
+	k10, k11, k12, k13, k14, k15, k50, k51, k52, k53, k54, k55, \
+	k20, k21, k22, k23, k24, k25, k60, k61, k62, k63, k64, k65, \
+	k30, k31, k32, k33, k34, k35, k70, k71, k72, k73, k74, k75 \
+	) \
+	{ \
+		{ k00, k01, k02, k03, k04, k05 }, \
+		{ k10, k11, k12, k13, k14, k15 }, \
+		{ k20, k21, k22, k23, k24, k25 }, \
+		{ k30, k31, k32, k33, k34, k35 }, \
+		{ k40, k41, k42, k43, k44, k45 }, \
+		{ k50, k51, k52, k53, k54, k55 }, \
+		{ k60, k61, k62, k63, k64, k65 }, \
+		{ k70, k71, k72, k73, k74, k75 } \
+	}
+
+#endif
\ No newline at end of file
diff --git a/keyboards/lets_split/rev1/rules.mk b/keyboards/lets_split/rev1/rules.mk
new file mode 100644
index 0000000000..a0825b4ef6
--- /dev/null
+++ b/keyboards/lets_split/rev1/rules.mk
@@ -0,0 +1,5 @@
+BACKLIGHT_ENABLE = no
+
+ifndef QUANTUM_DIR
+	include ../../../Makefile
+endif
\ No newline at end of file
diff --git a/keyboards/lets_split/rev2/Makefile b/keyboards/lets_split/rev2/Makefile
new file mode 100644
index 0000000000..4e2a6f00fd
--- /dev/null
+++ b/keyboards/lets_split/rev2/Makefile
@@ -0,0 +1,3 @@
+ifndef MAKEFILE_INCLUDED
+	include ../../Makefile
+endif
\ No newline at end of file
diff --git a/keyboards/lets_split/rev2/config.h b/keyboards/lets_split/rev2/config.h
new file mode 100644
index 0000000000..e9689d773d
--- /dev/null
+++ b/keyboards/lets_split/rev2/config.h
@@ -0,0 +1,102 @@
+/*
+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/>.
+*/
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID       0xFEED
+#define PRODUCT_ID      0x3060
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    Wootpatoot
+#define PRODUCT         Lets Split v2
+#define DESCRIPTION     A split keyboard for the cheap makers
+
+/* key matrix size */
+// Rows are doubled-up
+#define MATRIX_ROWS 8
+#define MATRIX_COLS 6
+
+// wiring of each half
+#define MATRIX_ROW_PINS { D7, E6, B4, B5 }
+#define MATRIX_COL_PINS { F6, F7, B1, B3, B2, B6 }
+
+#define CATERINA_BOOTLOADER
+
+// #define USE_I2C
+
+// Use serial if not using I2C
+#ifndef USE_I2C
+#  define USE_SERIAL
+#endif
+
+// #define EE_HANDS
+
+#define I2C_MASTER_LEFT
+// #define I2C_MASTER_RIGHT
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/* define if matrix has ghost */
+//#define MATRIX_HAS_GHOST
+
+/* number of backlight levels */
+// #define BACKLIGHT_LEVELS 3
+
+/* Set 0 if debouncing isn't needed */
+#define DEBOUNCING_DELAY 5
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+/* key combination for command */
+#define IS_COMMAND() ( \
+    keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
+)
+
+/* ws2812 RGB LED */
+#define RGB_DI_PIN D3
+#define RGBLIGHT_TIMER
+#define RGBLED_NUM 12    // Number of LEDs
+#define ws2812_PORTREG  PORTD
+#define ws2812_DDRREG   DDRD
+
+/*
+ * Feature disable options
+ *  These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+// #define NO_DEBUG
+
+/* disable print */
+// #define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+//#define NO_ACTION_MACRO
+//#define NO_ACTION_FUNCTION
+
+
+#endif
\ No newline at end of file
diff --git a/keyboards/lets_split/rev2/rev2.c b/keyboards/lets_split/rev2/rev2.c
new file mode 100644
index 0000000000..c505d3a6e3
--- /dev/null
+++ b/keyboards/lets_split/rev2/rev2.c
@@ -0,0 +1,32 @@
+#include "lets_split.h"
+
+#ifdef AUDIO_ENABLE
+    float tone_startup[][2] = SONG(STARTUP_SOUND);
+    float tone_goodbye[][2] = SONG(GOODBYE_SOUND);
+#endif
+
+void matrix_init_kb(void) {
+
+    #ifdef AUDIO_ENABLE
+        _delay_ms(20); // gets rid of tick
+        PLAY_NOTE_ARRAY(tone_startup, false, 0);
+    #endif
+
+    // // green led on
+    // DDRD |= (1<<5);
+    // PORTD &= ~(1<<5);
+
+    // // orange led on
+    // DDRB |= (1<<0);
+    // PORTB &= ~(1<<0);
+
+	matrix_init_user();
+};
+
+void shutdown_user(void) {
+    #ifdef AUDIO_ENABLE
+        PLAY_NOTE_ARRAY(tone_goodbye, false, 0);
+	_delay_ms(150);
+	stop_all_notes();
+    #endif
+}
diff --git a/keyboards/lets_split/rev2/rev2.h b/keyboards/lets_split/rev2/rev2.h
new file mode 100644
index 0000000000..990976de2b
--- /dev/null
+++ b/keyboards/lets_split/rev2/rev2.h
@@ -0,0 +1,28 @@
+#ifndef REV2_H
+#define REV2_H
+
+#include "../lets_split.h"
+
+//void promicro_bootloader_jmp(bool program);
+#include "quantum.h"
+
+//void promicro_bootloader_jmp(bool program);
+
+#define KEYMAP( \
+	k00, k01, k02, k03, k04, k05, k45, k44, k43, k42, k41, k40, \
+	k10, k11, k12, k13, k14, k15, k55, k54, k53, k52, k51, k50, \
+	k20, k21, k22, k23, k24, k25, k65, k64, k63, k62, k61, k60, \
+	k30, k31, k32, k33, k34, k35, k75, k74, k73, k72, k71, k70 \
+	) \
+	{ \
+		{ k00, k01, k02, k03, k04, k05 }, \
+		{ k10, k11, k12, k13, k14, k15 }, \
+		{ k20, k21, k22, k23, k24, k25 }, \
+		{ k30, k31, k32, k33, k34, k35 }, \
+		{ k40, k41, k42, k43, k44, k45 }, \
+		{ k50, k51, k52, k53, k54, k55 }, \
+		{ k60, k61, k62, k63, k64, k65 }, \
+		{ k70, k71, k72, k73, k74, k75 } \
+	}
+
+#endif
\ No newline at end of file
diff --git a/keyboards/lets_split/rev2/rules.mk b/keyboards/lets_split/rev2/rules.mk
new file mode 100644
index 0000000000..80a942d06f
--- /dev/null
+++ b/keyboards/lets_split/rev2/rules.mk
@@ -0,0 +1,5 @@
+BACKLIGHT_ENABLE = no
+
+ifndef QUANTUM_DIR
+	include ../../../Makefile
+endif
diff --git a/keyboards/lets_split/rules.mk b/keyboards/lets_split/rules.mk
index 6fde8a444c..1aee5313c1 100644
--- a/keyboards/lets_split/rules.mk
+++ b/keyboards/lets_split/rules.mk
@@ -63,11 +63,12 @@ COMMAND_ENABLE ?= yes        # Commands for debug and configuration
 NKRO_ENABLE ?= no            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
 BACKLIGHT_ENABLE ?= no      # Enable keyboard backlight functionality
 MIDI_ENABLE ?= no            # MIDI controls
-AUDIO_ENABLE ?= yes           # Audio output on port C6
+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.
-
+RGBLIGHT_ENABLE ?= no       # Enable WS2812 RGB underlight.  Do not enable this with audio at the same time.
+SUBPROJECT_rev1 ?= yes
+USE_I2C ?= yes
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE ?= no    # Breathing sleep LED during USB suspend