Merge https://github.com/qmk/qmk_firmware

23 files changed, 247 insertions, 1235 deletions

diff --git a/keyboards/lets_split/common/glcdfont.c b/keyboards/lets_split/common/glcdfont.c
deleted file mode 100644
index 6f88bd23a7..0000000000
--- a/keyboards/lets_split/common/glcdfont.c
+++ /dev/null
@@ -1,276 +0,0 @@
-// This is the 'classic' fixed-space bitmap font for Adafruit_GFX since 1.0.
-// See gfxfont.h for newer custom bitmap font info.
-
-#ifndef FONT5X7_H
-#define FONT5X7_H
-
-#ifdef __AVR__
- #include <avr/io.h>
- #include <avr/pgmspace.h>
-#elif defined(ESP8266)
- #include <pgmspace.h>
-#else
- #define PROGMEM
-#endif
-
-// Standard ASCII 5x7 font
-
-static const unsigned char font[] PROGMEM = {
-	0x00, 0x00, 0x00, 0x00, 0x00,
-	0x3E, 0x5B, 0x4F, 0x5B, 0x3E,
-	0x3E, 0x6B, 0x4F, 0x6B, 0x3E,
-	0x1C, 0x3E, 0x7C, 0x3E, 0x1C,
-	0x18, 0x3C, 0x7E, 0x3C, 0x18,
-	0x1C, 0x57, 0x7D, 0x57, 0x1C,
-	0x1C, 0x5E, 0x7F, 0x5E, 0x1C,
-	0x00, 0x18, 0x3C, 0x18, 0x00,
-	0xFF, 0xE7, 0xC3, 0xE7, 0xFF,
-	0x00, 0x18, 0x24, 0x18, 0x00,
-	0xFF, 0xE7, 0xDB, 0xE7, 0xFF,
-	0x30, 0x48, 0x3A, 0x06, 0x0E,
-	0x26, 0x29, 0x79, 0x29, 0x26,
-	0x40, 0x7F, 0x05, 0x05, 0x07,
-	0x40, 0x7F, 0x05, 0x25, 0x3F,
-	0x5A, 0x3C, 0xE7, 0x3C, 0x5A,
-	0x7F, 0x3E, 0x1C, 0x1C, 0x08,
-	0x08, 0x1C, 0x1C, 0x3E, 0x7F,
-	0x14, 0x22, 0x7F, 0x22, 0x14,
-	0x5F, 0x5F, 0x00, 0x5F, 0x5F,
-	0x06, 0x09, 0x7F, 0x01, 0x7F,
-	0x00, 0x66, 0x89, 0x95, 0x6A,
-	0x60, 0x60, 0x60, 0x60, 0x60,
-	0x94, 0xA2, 0xFF, 0xA2, 0x94,
-	0x08, 0x04, 0x7E, 0x04, 0x08,
-	0x10, 0x20, 0x7E, 0x20, 0x10,
-	0x08, 0x08, 0x2A, 0x1C, 0x08,
-	0x08, 0x1C, 0x2A, 0x08, 0x08,
-	0x1E, 0x10, 0x10, 0x10, 0x10,
-	0x0C, 0x1E, 0x0C, 0x1E, 0x0C,
-	0x30, 0x38, 0x3E, 0x38, 0x30,
-	0x06, 0x0E, 0x3E, 0x0E, 0x06,
-	0x00, 0x00, 0x00, 0x00, 0x00,
-	0x00, 0x00, 0x5F, 0x00, 0x00,
-	0x00, 0x07, 0x00, 0x07, 0x00,
-	0x14, 0x7F, 0x14, 0x7F, 0x14,
-	0x24, 0x2A, 0x7F, 0x2A, 0x12,
-	0x23, 0x13, 0x08, 0x64, 0x62,
-	0x36, 0x49, 0x56, 0x20, 0x50,
-	0x00, 0x08, 0x07, 0x03, 0x00,
-	0x00, 0x1C, 0x22, 0x41, 0x00,
-	0x00, 0x41, 0x22, 0x1C, 0x00,
-	0x2A, 0x1C, 0x7F, 0x1C, 0x2A,
-	0x08, 0x08, 0x3E, 0x08, 0x08,
-	0x00, 0x80, 0x70, 0x30, 0x00,
-	0x08, 0x08, 0x08, 0x08, 0x08,
-	0x00, 0x00, 0x60, 0x60, 0x00,
-	0x20, 0x10, 0x08, 0x04, 0x02,
-	0x3E, 0x51, 0x49, 0x45, 0x3E,
-	0x00, 0x42, 0x7F, 0x40, 0x00,
-	0x72, 0x49, 0x49, 0x49, 0x46,
-	0x21, 0x41, 0x49, 0x4D, 0x33,
-	0x18, 0x14, 0x12, 0x7F, 0x10,
-	0x27, 0x45, 0x45, 0x45, 0x39,
-	0x3C, 0x4A, 0x49, 0x49, 0x31,
-	0x41, 0x21, 0x11, 0x09, 0x07,
-	0x36, 0x49, 0x49, 0x49, 0x36,
-	0x46, 0x49, 0x49, 0x29, 0x1E,
-	0x00, 0x00, 0x14, 0x00, 0x00,
-	0x00, 0x40, 0x34, 0x00, 0x00,
-	0x00, 0x08, 0x14, 0x22, 0x41,
-	0x14, 0x14, 0x14, 0x14, 0x14,
-	0x00, 0x41, 0x22, 0x14, 0x08,
-	0x02, 0x01, 0x59, 0x09, 0x06,
-	0x3E, 0x41, 0x5D, 0x59, 0x4E,
-	0x7C, 0x12, 0x11, 0x12, 0x7C,
-	0x7F, 0x49, 0x49, 0x49, 0x36,
-	0x3E, 0x41, 0x41, 0x41, 0x22,
-	0x7F, 0x41, 0x41, 0x41, 0x3E,
-	0x7F, 0x49, 0x49, 0x49, 0x41,
-	0x7F, 0x09, 0x09, 0x09, 0x01,
-	0x3E, 0x41, 0x41, 0x51, 0x73,
-	0x7F, 0x08, 0x08, 0x08, 0x7F,
-	0x00, 0x41, 0x7F, 0x41, 0x00,
-	0x20, 0x40, 0x41, 0x3F, 0x01,
-	0x7F, 0x08, 0x14, 0x22, 0x41,
-	0x7F, 0x40, 0x40, 0x40, 0x40,
-	0x7F, 0x02, 0x1C, 0x02, 0x7F,
-	0x7F, 0x04, 0x08, 0x10, 0x7F,
-	0x3E, 0x41, 0x41, 0x41, 0x3E,
-	0x7F, 0x09, 0x09, 0x09, 0x06,
-	0x3E, 0x41, 0x51, 0x21, 0x5E,
-	0x7F, 0x09, 0x19, 0x29, 0x46,
-	0x26, 0x49, 0x49, 0x49, 0x32,
-	0x03, 0x01, 0x7F, 0x01, 0x03,
-	0x3F, 0x40, 0x40, 0x40, 0x3F,
-	0x1F, 0x20, 0x40, 0x20, 0x1F,
-	0x3F, 0x40, 0x38, 0x40, 0x3F,
-	0x63, 0x14, 0x08, 0x14, 0x63,
-	0x03, 0x04, 0x78, 0x04, 0x03,
-	0x61, 0x59, 0x49, 0x4D, 0x43,
-	0x00, 0x7F, 0x41, 0x41, 0x41,
-	0x02, 0x04, 0x08, 0x10, 0x20,
-	0x00, 0x41, 0x41, 0x41, 0x7F,
-	0x04, 0x02, 0x01, 0x02, 0x04,
-	0x40, 0x40, 0x40, 0x40, 0x40,
-	0x00, 0x03, 0x07, 0x08, 0x00,
-	0x20, 0x54, 0x54, 0x78, 0x40,
-	0x7F, 0x28, 0x44, 0x44, 0x38,
-	0x38, 0x44, 0x44, 0x44, 0x28,
-	0x38, 0x44, 0x44, 0x28, 0x7F,
-	0x38, 0x54, 0x54, 0x54, 0x18,
-	0x00, 0x08, 0x7E, 0x09, 0x02,
-	0x18, 0xA4, 0xA4, 0x9C, 0x78,
-	0x7F, 0x08, 0x04, 0x04, 0x78,
-	0x00, 0x44, 0x7D, 0x40, 0x00,
-	0x20, 0x40, 0x40, 0x3D, 0x00,
-	0x7F, 0x10, 0x28, 0x44, 0x00,
-	0x00, 0x41, 0x7F, 0x40, 0x00,
-	0x7C, 0x04, 0x78, 0x04, 0x78,
-	0x7C, 0x08, 0x04, 0x04, 0x78,
-	0x38, 0x44, 0x44, 0x44, 0x38,
-	0xFC, 0x18, 0x24, 0x24, 0x18,
-	0x18, 0x24, 0x24, 0x18, 0xFC,
-	0x7C, 0x08, 0x04, 0x04, 0x08,
-	0x48, 0x54, 0x54, 0x54, 0x24,
-	0x04, 0x04, 0x3F, 0x44, 0x24,
-	0x3C, 0x40, 0x40, 0x20, 0x7C,
-	0x1C, 0x20, 0x40, 0x20, 0x1C,
-	0x3C, 0x40, 0x30, 0x40, 0x3C,
-	0x44, 0x28, 0x10, 0x28, 0x44,
-	0x4C, 0x90, 0x90, 0x90, 0x7C,
-	0x44, 0x64, 0x54, 0x4C, 0x44,
-	0x00, 0x08, 0x36, 0x41, 0x00,
-	0x00, 0x00, 0x77, 0x00, 0x00,
-	0x00, 0x41, 0x36, 0x08, 0x00,
-	0x02, 0x01, 0x02, 0x04, 0x02,
-	0x3C, 0x26, 0x23, 0x26, 0x3C,
-	0x1E, 0xA1, 0xA1, 0x61, 0x12,
-	0x3A, 0x40, 0x40, 0x20, 0x7A,
-	0x38, 0x54, 0x54, 0x55, 0x59,
-	0x21, 0x55, 0x55, 0x79, 0x41,
-	0x22, 0x54, 0x54, 0x78, 0x42, // a-umlaut
-	0x21, 0x55, 0x54, 0x78, 0x40,
-	0x20, 0x54, 0x55, 0x79, 0x40,
-	0x0C, 0x1E, 0x52, 0x72, 0x12,
-	0x39, 0x55, 0x55, 0x55, 0x59,
-	0x39, 0x54, 0x54, 0x54, 0x59,
-	0x39, 0x55, 0x54, 0x54, 0x58,
-	0x00, 0x00, 0x45, 0x7C, 0x41,
-	0x00, 0x02, 0x45, 0x7D, 0x42,
-	0x00, 0x01, 0x45, 0x7C, 0x40,
-	0x7D, 0x12, 0x11, 0x12, 0x7D, // A-umlaut
-	0xF0, 0x28, 0x25, 0x28, 0xF0,
-	0x7C, 0x54, 0x55, 0x45, 0x00,
-	0x20, 0x54, 0x54, 0x7C, 0x54,
-	0x7C, 0x0A, 0x09, 0x7F, 0x49,
-	0x32, 0x49, 0x49, 0x49, 0x32,
-	0x3A, 0x44, 0x44, 0x44, 0x3A, // o-umlaut
-	0x32, 0x4A, 0x48, 0x48, 0x30,
-	0x3A, 0x41, 0x41, 0x21, 0x7A,
-	0x3A, 0x42, 0x40, 0x20, 0x78,
-	0x00, 0x9D, 0xA0, 0xA0, 0x7D,
-	0x3D, 0x42, 0x42, 0x42, 0x3D, // O-umlaut
-	0x3D, 0x40, 0x40, 0x40, 0x3D,
-	0x3C, 0x24, 0xFF, 0x24, 0x24,
-	0x48, 0x7E, 0x49, 0x43, 0x66,
-	0x2B, 0x2F, 0xFC, 0x2F, 0x2B,
-	0xFF, 0x09, 0x29, 0xF6, 0x20,
-	0xC0, 0x88, 0x7E, 0x09, 0x03,
-	0x20, 0x54, 0x54, 0x79, 0x41,
-	0x00, 0x00, 0x44, 0x7D, 0x41,
-	0x30, 0x48, 0x48, 0x4A, 0x32,
-	0x38, 0x40, 0x40, 0x22, 0x7A,
-	0x00, 0x7A, 0x0A, 0x0A, 0x72,
-	0x7D, 0x0D, 0x19, 0x31, 0x7D,
-	0x26, 0x29, 0x29, 0x2F, 0x28,
-	0x26, 0x29, 0x29, 0x29, 0x26,
-	0x30, 0x48, 0x4D, 0x40, 0x20,
-	0x38, 0x08, 0x08, 0x08, 0x08,
-	0x08, 0x08, 0x08, 0x08, 0x38,
-	0x2F, 0x10, 0xC8, 0xAC, 0xBA,
-	0x2F, 0x10, 0x28, 0x34, 0xFA,
-	0x00, 0x00, 0x7B, 0x00, 0x00,
-	0x08, 0x14, 0x2A, 0x14, 0x22,
-	0x22, 0x14, 0x2A, 0x14, 0x08,
-	0x55, 0x00, 0x55, 0x00, 0x55, // #176 (25% block) missing in old code
-	0xAA, 0x55, 0xAA, 0x55, 0xAA, // 50% block
-	0xFF, 0x55, 0xFF, 0x55, 0xFF, // 75% block
-	0x00, 0x00, 0x00, 0xFF, 0x00,
-	0x10, 0x10, 0x10, 0xFF, 0x00,
-	0x14, 0x14, 0x14, 0xFF, 0x00,
-	0x10, 0x10, 0xFF, 0x00, 0xFF,
-	0x10, 0x10, 0xF0, 0x10, 0xF0,
-	0x14, 0x14, 0x14, 0xFC, 0x00,
-	0x14, 0x14, 0xF7, 0x00, 0xFF,
-	0x00, 0x00, 0xFF, 0x00, 0xFF,
-	0x14, 0x14, 0xF4, 0x04, 0xFC,
-	0x14, 0x14, 0x17, 0x10, 0x1F,
-	0x10, 0x10, 0x1F, 0x10, 0x1F,
-	0x14, 0x14, 0x14, 0x1F, 0x00,
-	0x10, 0x10, 0x10, 0xF0, 0x00,
-	0x00, 0x00, 0x00, 0x1F, 0x10,
-	0x10, 0x10, 0x10, 0x1F, 0x10,
-	0x10, 0x10, 0x10, 0xF0, 0x10,
-	0x00, 0x00, 0x00, 0xFF, 0x10,
-	0x10, 0x10, 0x10, 0x10, 0x10,
-	0x10, 0x10, 0x10, 0xFF, 0x10,
-	0x00, 0x00, 0x00, 0xFF, 0x14,
-	0x00, 0x00, 0xFF, 0x00, 0xFF,
-	0x00, 0x00, 0x1F, 0x10, 0x17,
-	0x00, 0x00, 0xFC, 0x04, 0xF4,
-	0x14, 0x14, 0x17, 0x10, 0x17,
-	0x14, 0x14, 0xF4, 0x04, 0xF4,
-	0x00, 0x00, 0xFF, 0x00, 0xF7,
-	0x14, 0x14, 0x14, 0x14, 0x14,
-	0x14, 0x14, 0xF7, 0x00, 0xF7,
-	0x14, 0x14, 0x14, 0x17, 0x14,
-	0x10, 0x10, 0x1F, 0x10, 0x1F,
-	0x14, 0x14, 0x14, 0xF4, 0x14,
-	0x10, 0x10, 0xF0, 0x10, 0xF0,
-	0x00, 0x00, 0x1F, 0x10, 0x1F,
-	0x00, 0x00, 0x00, 0x1F, 0x14,
-	0x00, 0x00, 0x00, 0xFC, 0x14,
-	0x00, 0x00, 0xF0, 0x10, 0xF0,
-	0x10, 0x10, 0xFF, 0x10, 0xFF,
-	0x14, 0x14, 0x14, 0xFF, 0x14,
-	0x10, 0x10, 0x10, 0x1F, 0x00,
-	0x00, 0x00, 0x00, 0xF0, 0x10,
-	0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
-	0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
-	0xFF, 0xFF, 0xFF, 0x00, 0x00,
-	0x00, 0x00, 0x00, 0xFF, 0xFF,
-	0x0F, 0x0F, 0x0F, 0x0F, 0x0F,
-	0x38, 0x44, 0x44, 0x38, 0x44,
-	0xFC, 0x4A, 0x4A, 0x4A, 0x34, // sharp-s or beta
-	0x7E, 0x02, 0x02, 0x06, 0x06,
-	0x02, 0x7E, 0x02, 0x7E, 0x02,
-	0x63, 0x55, 0x49, 0x41, 0x63,
-	0x38, 0x44, 0x44, 0x3C, 0x04,
-	0x40, 0x7E, 0x20, 0x1E, 0x20,
-	0x06, 0x02, 0x7E, 0x02, 0x02,
-	0x99, 0xA5, 0xE7, 0xA5, 0x99,
-	0x1C, 0x2A, 0x49, 0x2A, 0x1C,
-	0x4C, 0x72, 0x01, 0x72, 0x4C,
-	0x30, 0x4A, 0x4D, 0x4D, 0x30,
-	0x30, 0x48, 0x78, 0x48, 0x30,
-	0xBC, 0x62, 0x5A, 0x46, 0x3D,
-	0x3E, 0x49, 0x49, 0x49, 0x00,
-	0x7E, 0x01, 0x01, 0x01, 0x7E,
-	0x2A, 0x2A, 0x2A, 0x2A, 0x2A,
-	0x44, 0x44, 0x5F, 0x44, 0x44,
-	0x40, 0x51, 0x4A, 0x44, 0x40,
-	0x40, 0x44, 0x4A, 0x51, 0x40,
-	0x00, 0x00, 0xFF, 0x01, 0x03,
-	0xE0, 0x80, 0xFF, 0x00, 0x00,
-	0x08, 0x08, 0x6B, 0x6B, 0x08,
-	0x36, 0x12, 0x36, 0x24, 0x36,
-	0x06, 0x0F, 0x09, 0x0F, 0x06,
-	0x00, 0x00, 0x18, 0x18, 0x00,
-	0x00, 0x00, 0x10, 0x10, 0x00,
-	0x30, 0x40, 0xFF, 0x01, 0x01,
-	0x00, 0x1F, 0x01, 0x01, 0x1E,
-	0x00, 0x19, 0x1D, 0x17, 0x12,
-	0x00, 0x3C, 0x3C, 0x3C, 0x3C,
-	0x00, 0x00, 0x00, 0x00, 0x00  // #255 NBSP
-};
-#endif // FONT5X7_H
diff --git a/keyboards/lets_split/config.h b/keyboards/lets_split/config.h
index 008fb09789..591c656a29 100644
--- a/keyboards/lets_split/config.h
+++ b/keyboards/lets_split/config.h
@@ -1,5 +1,6 @@
 /*
 Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
 
 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
@@ -26,7 +27,5 @@ 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 8389ba111d..57ed7d763b 100644
--- a/keyboards/lets_split/keymaps/OLED_sample/config.h
+++ b/keyboards/lets_split/keymaps/OLED_sample/config.h
@@ -1,5 +1,8 @@
 /*
+This is the c configuration file for the keymap
+
 Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
 
 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
@@ -15,12 +18,25 @@ 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_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/* 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
+//#define OLED_ROTATE180
 
 
 #define PREVENT_STUCK_MODIFIERS
@@ -40,3 +56,5 @@ 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/OLED_sample/keymap.c b/keyboards/lets_split/keymaps/OLED_sample/keymap.c
index 274f917e21..9553309f89 100644
--- a/keyboards/lets_split/keymaps/OLED_sample/keymap.c
+++ b/keyboards/lets_split/keymaps/OLED_sample/keymap.c
@@ -2,7 +2,7 @@
 #include "bootloader.h"
 #include "action_layer.h"
 #include "eeconfig.h"
-#include "tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/Peripheral/TWI.h"
+#include "LUFA/Drivers/Peripheral/TWI.h"
 #ifdef AUDIO_ENABLE
   #include "audio.h"
 #endif
@@ -357,3 +357,91 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
 
     return MACRO_NONE;
 }
+
+
+void matrix_update(struct CharacterMatrix *dest,
+                          const struct CharacterMatrix *source) {
+  if (memcmp(dest->display, source->display, sizeof(dest->display))) {
+    memcpy(dest->display, source->display, sizeof(dest->display));
+    dest->dirty = true;
+  }
+}
+
+//assign the right code to your layers for OLED display
+#define L_BASE 0
+#define L_LOWER 8
+#define L_RAISE 16
+#define L_FNLAYER 64
+#define L_NUMLAY 128
+#define L_NLOWER 136
+#define L_NFNLAYER 192
+#define L_MOUSECURSOR 256
+#define L_ADJUST 65560
+
+void iota_gfx_task_user(void) {
+#if DEBUG_TO_SCREEN
+  if (debug_enable) {
+    return;
+  }
+#endif
+
+  struct CharacterMatrix matrix;
+
+  matrix_clear(&matrix);
+  matrix_write_P(&matrix, PSTR("USB: "));
+#ifdef PROTOCOL_LUFA
+  switch (USB_DeviceState) {
+    case DEVICE_STATE_Unattached:
+      matrix_write_P(&matrix, PSTR("Unattached"));
+      break;
+    case DEVICE_STATE_Suspended:
+      matrix_write_P(&matrix, PSTR("Suspended"));
+      break;
+    case DEVICE_STATE_Configured:
+      matrix_write_P(&matrix, PSTR("Connected"));
+      break;
+    case DEVICE_STATE_Powered:
+      matrix_write_P(&matrix, PSTR("Powered"));
+      break;
+    case DEVICE_STATE_Default:
+      matrix_write_P(&matrix, PSTR("Default"));
+      break;
+    case DEVICE_STATE_Addressed:
+      matrix_write_P(&matrix, PSTR("Addressed"));
+      break;
+    default:
+      matrix_write_P(&matrix, PSTR("Invalid"));
+  }
+#endif
+
+// Define layers here, Have not worked out how to have text displayed for each layer. Copy down the number you see and add a case for it below
+
+  char buf[40];
+  snprintf(buf,sizeof(buf), "Undef-%ld", layer_state);
+  matrix_write_P(&matrix, PSTR("\n\nLayer: "));
+    switch (layer_state) {
+        case L_BASE:
+           matrix_write_P(&matrix, PSTR("Default"));
+           break;
+        case L_RAISE:
+           matrix_write_P(&matrix, PSTR("Raise"));
+           break;
+        case L_LOWER:
+           matrix_write_P(&matrix, PSTR("Lower"));
+           break;
+        case L_ADJUST:
+           matrix_write_P(&matrix, PSTR("ADJUST"));
+           break;
+        default:
+           matrix_write(&matrix, buf);
+ }
+  
+  // Host Keyboard LED Status
+  char led[40];
+    snprintf(led, sizeof(led), "\n%s  %s  %s",
+            (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : "       ",
+            (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : "    ",
+            (host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : "    ");
+  matrix_write(&matrix, led);
+  matrix_update(&display, &matrix);
+}
\ 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 177dd22d7e..7496876b54 100644
--- a/keyboards/lets_split/keymaps/adam/config.h
+++ b/keyboards/lets_split/keymaps/adam/config.h
@@ -1,5 +1,8 @@
 /*
+This is the c configuration file for the keymap
+
 Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
 
 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
@@ -15,29 +18,33 @@ 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_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 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 0000000000..457a3d01d4
--- /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/serial/config.h b/keyboards/lets_split/keymaps/default/config.h
index ba271d1ac6..7f33a43630 100644
--- a/keyboards/lets_split/keymaps/serial/config.h
+++ b/keyboards/lets_split/keymaps/default/config.h
@@ -1,5 +1,8 @@
 /*
+This is the c configuration file for the keymap
+
 Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
 
 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
@@ -15,20 +18,20 @@ 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_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
 
-
-#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/i2c/keymap.c b/keyboards/lets_split/keymaps/default/keymap.c
index 936312b2e0..936312b2e0 100644
--- a/keyboards/lets_split/keymaps/i2c/keymap.c
+++ b/keyboards/lets_split/keymaps/default/keymap.c
diff --git a/keyboards/lets_split/keymaps/ergodoxish/Makefile b/keyboards/lets_split/keymaps/ergodoxish/Makefile
new file mode 100644
index 0000000000..457a3d01d4
--- /dev/null
+++ b/keyboards/lets_split/keymaps/ergodoxish/Makefile
@@ -0,0 +1,3 @@
+ifndef QUANTUM_DIR
+	include ../../../../Makefile
+endif
diff --git a/keyboards/lets_split/keymaps/i2c/config.h b/keyboards/lets_split/keymaps/ergodoxish/config.h
index 013542731e..7f33a43630 100644
--- a/keyboards/lets_split/keymaps/i2c/config.h
+++ b/keyboards/lets_split/keymaps/ergodoxish/config.h
@@ -1,5 +1,8 @@
 /*
+This is the c configuration file for the keymap
+
 Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
 
 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
@@ -14,18 +17,21 @@ 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
+
+#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
 
-#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/keymap.c b/keyboards/lets_split/keymaps/ergodoxish/keymap.c
index 936312b2e0..936312b2e0 100644
--- a/keyboards/lets_split/keymaps/serial/keymap.c
+++ b/keyboards/lets_split/keymaps/ergodoxish/keymap.c
diff --git a/keyboards/lets_split/keymaps/hexwire/config.h b/keyboards/lets_split/keymaps/hexwire/config.h
index e315d8c0c3..e29b40c983 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/khord/config.h b/keyboards/lets_split/keymaps/khord/config.h
index 2d845827ba..ea10960dd2 100644
--- a/keyboards/lets_split/keymaps/khord/config.h
+++ b/keyboards/lets_split/keymaps/khord/config.h
@@ -1,5 +1,8 @@
 /*
+This is the c configuration file for the keymap
+
 Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
 
 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
@@ -15,19 +18,24 @@ 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_USER_H
+#define CONFIG_USER_H
+
+#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/smt/config.h b/keyboards/lets_split/keymaps/smt/config.h
index ba271d1ac6..3274fcca6a 100644
--- a/keyboards/lets_split/keymaps/smt/config.h
+++ b/keyboards/lets_split/keymaps/smt/config.h
@@ -1,5 +1,8 @@
 /*
+This is the c configuration file for the keymap
+
 Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
 
 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
@@ -15,20 +18,20 @@ 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_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
 
-
-#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 1b5be030ec..a21ca36998 100644
--- a/keyboards/lets_split/keymaps/xyverz/config.h
+++ b/keyboards/lets_split/keymaps/xyverz/config.h
@@ -1,5 +1,8 @@
 /*
+This is the c configuration file for the keymap
+
 Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
 
 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
@@ -15,23 +18,28 @@ 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_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 _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 1892bf2cbd..f7dc24a447 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/pro_micro.h b/keyboards/lets_split/pro_micro.h
deleted file mode 100644
index f9e7ed75d9..0000000000
--- a/keyboards/lets_split/pro_micro.h
+++ /dev/null
@@ -1,362 +0,0 @@
-/*
-  pins_arduino.h - Pin definition functions for Arduino
-  Part of Arduino - http://www.arduino.cc/
-
-  Copyright (c) 2007 David A. Mellis
-
-  This library is free software; you can redistribute it and/or
-  modify it under the terms of the GNU Lesser General Public
-  License as published by the Free Software Foundation; either
-  version 2.1 of the License, or (at your option) any later version.
-
-  This library 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
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General
-  Public License along with this library; if not, write to the
-  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
-  Boston, MA  02111-1307  USA
-
-  $Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
-*/
-
-#ifndef Pins_Arduino_h
-#define Pins_Arduino_h
-
-#include <avr/pgmspace.h>
-
-// Workaround for wrong definitions in "iom32u4.h".
-// This should be fixed in the AVR toolchain.
-#undef UHCON
-#undef UHINT
-#undef UHIEN
-#undef UHADDR
-#undef UHFNUM
-#undef UHFNUML
-#undef UHFNUMH
-#undef UHFLEN
-#undef UPINRQX
-#undef UPINTX
-#undef UPNUM
-#undef UPRST
-#undef UPCONX
-#undef UPCFG0X
-#undef UPCFG1X
-#undef UPSTAX
-#undef UPCFG2X
-#undef UPIENX
-#undef UPDATX
-#undef TCCR2A
-#undef WGM20
-#undef WGM21
-#undef COM2B0
-#undef COM2B1
-#undef COM2A0
-#undef COM2A1
-#undef TCCR2B
-#undef CS20
-#undef CS21
-#undef CS22
-#undef WGM22
-#undef FOC2B
-#undef FOC2A
-#undef TCNT2
-#undef TCNT2_0
-#undef TCNT2_1
-#undef TCNT2_2
-#undef TCNT2_3
-#undef TCNT2_4
-#undef TCNT2_5
-#undef TCNT2_6
-#undef TCNT2_7
-#undef OCR2A
-#undef OCR2_0
-#undef OCR2_1
-#undef OCR2_2
-#undef OCR2_3
-#undef OCR2_4
-#undef OCR2_5
-#undef OCR2_6
-#undef OCR2_7
-#undef OCR2B
-#undef OCR2_0
-#undef OCR2_1
-#undef OCR2_2
-#undef OCR2_3
-#undef OCR2_4
-#undef OCR2_5
-#undef OCR2_6
-#undef OCR2_7
-
-#define NUM_DIGITAL_PINS  30
-#define NUM_ANALOG_INPUTS 12
-
-#define TX_RX_LED_INIT  DDRD |= (1<<5), DDRB |= (1<<0)
-#define TXLED0          PORTD |= (1<<5)
-#define TXLED1          PORTD &= ~(1<<5)
-#define RXLED0          PORTB |= (1<<0)
-#define RXLED1          PORTB &= ~(1<<0)
-
-static const uint8_t SDA = 2;
-static const uint8_t SCL = 3;
-#define LED_BUILTIN 13
-
-// Map SPI port to 'new' pins D14..D17
-static const uint8_t SS   = 17;
-static const uint8_t MOSI = 16;
-static const uint8_t MISO = 14;
-static const uint8_t SCK  = 15;
-
-// Mapping of analog pins as digital I/O
-// A6-A11 share with digital pins
-static const uint8_t ADC0 = 18;
-static const uint8_t ADC1 = 19;
-static const uint8_t ADC2 = 20;
-static const uint8_t ADC3 = 21;
-static const uint8_t ADC4 = 22;
-static const uint8_t ADC5 = 23;
-static const uint8_t ADC6 = 24;   // D4
-static const uint8_t ADC7 = 25;   // D6
-static const uint8_t ADC8 = 26;   // D8
-static const uint8_t ADC9 = 27;   // D9
-static const uint8_t ADC10 = 28;  // D10
-static const uint8_t ADC11 = 29;  // D12
-
-#define digitalPinToPCICR(p)    ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCICR) : ((uint8_t *)0))
-#define digitalPinToPCICRbit(p) 0
-#define digitalPinToPCMSK(p)    ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCMSK0) : ((uint8_t *)0))
-#define digitalPinToPCMSKbit(p) ( ((p) >= 8 && (p) <= 11) ? (p) - 4 : ((p) == 14 ? 3 : ((p) == 15 ? 1 : ((p) == 16 ? 2 : ((p) == 17 ? 0 : (p - A8 + 4))))))
-
-//  __AVR_ATmega32U4__ has an unusual mapping of pins to channels
-extern const uint8_t PROGMEM analog_pin_to_channel_PGM[];
-#define analogPinToChannel(P)  ( pgm_read_byte( analog_pin_to_channel_PGM + (P) ) )
-
-#define digitalPinToInterrupt(p) ((p) == 0 ? 2 : ((p) == 1 ? 3 : ((p) == 2 ? 1 : ((p) == 3 ? 0 : ((p) == 7 ? 4 : NOT_AN_INTERRUPT)))))
-
-#ifdef ARDUINO_MAIN
-
-// On the Arduino board, digital pins are also used
-// for the analog output (software PWM).  Analog input
-// pins are a separate set.
-
-// ATMEL ATMEGA32U4 / ARDUINO LEONARDO
-//
-// D0               PD2                 RXD1/INT2
-// D1               PD3                 TXD1/INT3
-// D2               PD1     SDA         SDA/INT1
-// D3#              PD0     PWM8/SCL    OC0B/SCL/INT0
-// D4       A6      PD4                 ADC8
-// D5#              PC6     ???         OC3A/#OC4A
-// D6#      A7      PD7     FastPWM     #OC4D/ADC10
-// D7               PE6                 INT6/AIN0
-//
-// D8       A8      PB4                 ADC11/PCINT4
-// D9#      A9      PB5     PWM16       OC1A/#OC4B/ADC12/PCINT5
-// D10#     A10     PB6     PWM16       OC1B/0c4B/ADC13/PCINT6
-// D11#             PB7     PWM8/16     0C0A/OC1C/#RTS/PCINT7
-// D12      A11     PD6                 T1/#OC4D/ADC9
-// D13#             PC7     PWM10       CLK0/OC4A
-//
-// A0       D18     PF7                 ADC7
-// A1       D19     PF6                 ADC6
-// A2       D20     PF5                 ADC5
-// A3       D21     PF4                 ADC4
-// A4       D22     PF1                 ADC1
-// A5       D23     PF0                 ADC0
-//
-// New pins D14..D17 to map SPI port to digital pins
-//
-// MISO     D14     PB3                 MISO,PCINT3
-// SCK      D15     PB1                 SCK,PCINT1
-// MOSI     D16     PB2                 MOSI,PCINT2
-// SS       D17     PB0                 RXLED,SS/PCINT0
-//
-// Connected LEDs on board for TX and RX
-// TXLED    D24     PD5                 XCK1
-// RXLED    D17     PB0
-// HWB              PE2                 HWB
-
-// these arrays map port names (e.g. port B) to the
-// appropriate addresses for various functions (e.g. reading
-// and writing)
-const uint16_t PROGMEM port_to_mode_PGM[] = {
-    NOT_A_PORT,
-    NOT_A_PORT,
-    (uint16_t) &DDRB,
-    (uint16_t) &DDRC,
-    (uint16_t) &DDRD,
-    (uint16_t) &DDRE,
-    (uint16_t) &DDRF,
-};
-
-const uint16_t PROGMEM port_to_output_PGM[] = {
-    NOT_A_PORT,
-    NOT_A_PORT,
-    (uint16_t) &PORTB,
-    (uint16_t) &PORTC,
-    (uint16_t) &PORTD,
-    (uint16_t) &PORTE,
-    (uint16_t) &PORTF,
-};
-
-const uint16_t PROGMEM port_to_input_PGM[] = {
-    NOT_A_PORT,
-    NOT_A_PORT,
-    (uint16_t) &PINB,
-    (uint16_t) &PINC,
-    (uint16_t) &PIND,
-    (uint16_t) &PINE,
-    (uint16_t) &PINF,
-};
-
-const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
-    PD, // D0 - PD2
-    PD, // D1 - PD3
-    PD, // D2 - PD1
-    PD, // D3 - PD0
-    PD, // D4 - PD4
-    PC, // D5 - PC6
-    PD, // D6 - PD7
-    PE, // D7 - PE6
-
-    PB, // D8 - PB4
-    PB, // D9 - PB5
-    PB, // D10 - PB6
-    PB, // D11 - PB7
-    PD, // D12 - PD6
-    PC, // D13 - PC7
-
-    PB, // D14 - MISO - PB3
-    PB, // D15 - SCK - PB1
-    PB, // D16 - MOSI - PB2
-    PB, // D17 - SS - PB0
-
-    PF, // D18 - A0 - PF7
-    PF, // D19 - A1 - PF6
-    PF, // D20 - A2 - PF5
-    PF, // D21 - A3 - PF4
-    PF, // D22 - A4 - PF1
-    PF, // D23 - A5 - PF0
-
-    PD, // D24 - PD5
-    PD, // D25 / D6 - A7 - PD7
-    PB, // D26 / D8 - A8 - PB4
-    PB, // D27 / D9 - A9 - PB5
-    PB, // D28 / D10 - A10 - PB6
-    PD, // D29 / D12 - A11 - PD6
-};
-
-const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
-    _BV(2), // D0 - PD2
-    _BV(3), // D1 - PD3
-    _BV(1), // D2 - PD1
-    _BV(0), // D3 - PD0
-    _BV(4), // D4 - PD4
-    _BV(6), // D5 - PC6
-    _BV(7), // D6 - PD7
-    _BV(6), // D7 - PE6
-
-    _BV(4), // D8 - PB4
-    _BV(5), // D9 - PB5
-    _BV(6), // D10 - PB6
-    _BV(7), // D11 - PB7
-    _BV(6), // D12 - PD6
-    _BV(7), // D13 - PC7
-
-    _BV(3), // D14 - MISO - PB3
-    _BV(1), // D15 - SCK - PB1
-    _BV(2), // D16 - MOSI - PB2
-    _BV(0), // D17 - SS - PB0
-
-    _BV(7), // D18 - A0 - PF7
-    _BV(6), // D19 - A1 - PF6
-    _BV(5), // D20 - A2 - PF5
-    _BV(4), // D21 - A3 - PF4
-    _BV(1), // D22 - A4 - PF1
-    _BV(0), // D23 - A5 - PF0
-
-    _BV(5), // D24 - PD5
-    _BV(7), // D25 / D6 - A7 - PD7
-    _BV(4), // D26 / D8 - A8 - PB4
-    _BV(5), // D27 / D9 - A9 - PB5
-    _BV(6), // D28 / D10 - A10 - PB6
-    _BV(6), // D29 / D12 - A11 - PD6
-};
-
-const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    TIMER0B,        /* 3 */
-    NOT_ON_TIMER,
-    TIMER3A,        /* 5 */
-    TIMER4D,        /* 6 */
-    NOT_ON_TIMER,
-
-    NOT_ON_TIMER,
-    TIMER1A,        /* 9 */
-    TIMER1B,        /* 10 */
-    TIMER0A,        /* 11 */
-
-    NOT_ON_TIMER,
-    TIMER4A,        /* 13 */
-
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-    NOT_ON_TIMER,
-};
-
-const uint8_t PROGMEM analog_pin_to_channel_PGM[] = {
-    7,  // A0               PF7                 ADC7
-    6,  // A1               PF6                 ADC6
-    5,  // A2               PF5                 ADC5
-    4,  // A3               PF4                 ADC4
-    1,  // A4               PF1                 ADC1
-    0,  // A5               PF0                 ADC0
-    8,  // A6       D4      PD4                 ADC8
-    10, // A7       D6      PD7                 ADC10
-    11, // A8       D8      PB4                 ADC11
-    12, // A9       D9      PB5                 ADC12
-    13, // A10      D10     PB6                 ADC13
-    9   // A11      D12     PD6                 ADC9
-};
-
-#endif /* ARDUINO_MAIN */
-
-// These serial port names are intended to allow libraries and architecture-neutral
-// sketches to automatically default to the correct port name for a particular type
-// of use.  For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
-// the first hardware serial port whose RX/TX pins are not dedicated to another use.
-//
-// SERIAL_PORT_MONITOR        Port which normally prints to the Arduino Serial Monitor
-//
-// SERIAL_PORT_USBVIRTUAL     Port which is USB virtual serial
-//
-// SERIAL_PORT_LINUXBRIDGE    Port which connects to a Linux system via Bridge library
-//
-// SERIAL_PORT_HARDWARE       Hardware serial port, physical RX & TX pins.
-//
-// SERIAL_PORT_HARDWARE_OPEN  Hardware serial ports which are open for use.  Their RX & TX
-//                            pins are NOT connected to anything by default.
-#define SERIAL_PORT_MONITOR        Serial
-#define SERIAL_PORT_USBVIRTUAL     Serial
-#define SERIAL_PORT_HARDWARE       Serial1
-#define SERIAL_PORT_HARDWARE_OPEN  Serial1
-
-#endif /* Pins_Arduino_h */
diff --git a/keyboards/lets_split/readme.md b/keyboards/lets_split/readme.md
index d665d013eb..610b776ee1 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 bc6872807c..800d9a7e79 100644
--- a/keyboards/lets_split/rev1/config.h
+++ b/keyboards/lets_split/rev1/config.h
@@ -1,5 +1,6 @@
 /*
 Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
 
 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
@@ -15,10 +16,10 @@ 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 ca268cd6c6..d0619c2489 100644
--- a/keyboards/lets_split/rev2/config.h
+++ b/keyboards/lets_split/rev2/config.h
@@ -1,5 +1,6 @@
 /*
 Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
 
 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
@@ -15,10 +16,10 @@ 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
diff --git a/keyboards/lets_split/rules.mk b/keyboards/lets_split/rules.mk
index 43eff99e71..cc87ee31c6 100644
--- a/keyboards/lets_split/rules.mk
+++ b/keyboards/lets_split/rules.mk
@@ -56,22 +56,22 @@ OPT_DEFS += -DBOOTLOADER_SIZE=4096
 #   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 ?= 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 ?= 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.
-SUBPROJECT_rev1 ?= yes
-USE_I2C ?= yes
+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 = 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 = 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.
+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
+SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
 
 CUSTOM_MATRIX = yes
 
diff --git a/keyboards/lets_split/ssd1306.c b/keyboards/lets_split/ssd1306.c
deleted file mode 100644
index 5c6dff27f8..0000000000
--- a/keyboards/lets_split/ssd1306.c
+++ /dev/null
@@ -1,470 +0,0 @@
-#ifdef SSD1306OLED
-
-#include "ssd1306.h"
-#include "config.h"
-#include "i2c.h"
-#include <string.h>
-#include "print.h"
-#include "lets_split.h"
-#include "common/glcdfont.c"
-#ifdef ADAFRUIT_BLE_ENABLE
-#include "adafruit_ble.h"
-#endif
-#ifdef PROTOCOL_LUFA
-#include "lufa.h"
-#endif
-#include "sendchar.h"
-#include "pincontrol.h"
-
-//assign the right code to your layers
-#define _BASE 0
-#define _LOWER 8
-#define _RAISE 16
-#define _FNLAYER 64
-#define _NUMLAY 128
-#define _NLOWER 136
-#define _NFNLAYER 192
-#define _MOUSECURSOR 256
-#define _ADJUST 65560
-
-// Set this to 1 to help diagnose early startup problems
-// when testing power-on with ble.  Turn it off otherwise,
-// as the latency of printing most of the debug info messes
-// with the matrix scan, causing keys to drop.
-#define DEBUG_TO_SCREEN 0
-
-// Controls the SSD1306 128x32 OLED display via i2c
-
-#define i2cAddress 0x3C
-
-#define DisplayHeight 32
-#define DisplayWidth 128
-
-#define FontHeight 8
-#define FontWidth 6
-
-#define MatrixRows (DisplayHeight / FontHeight)
-#define MatrixCols (DisplayWidth / FontWidth)
-
-struct CharacterMatrix {
-  uint8_t display[MatrixRows][MatrixCols];
-  uint8_t *cursor;
-  bool dirty;
-};
-
-static struct CharacterMatrix display;
-//static uint16_t last_battery_update;
-//static uint32_t vbat;
-//#define BatteryUpdateInterval 10000 /* milliseconds */
-#define ScreenOffInterval 300000 /* milliseconds */
-#if DEBUG_TO_SCREEN
-static uint8_t displaying;
-#endif
-static uint16_t last_flush;
-
-enum ssd1306_cmds {
-  DisplayOff = 0xAE,
-  DisplayOn = 0xAF,
-
-  SetContrast = 0x81,
-  DisplayAllOnResume = 0xA4,
-
-  DisplayAllOn = 0xA5,
-  NormalDisplay = 0xA6,
-  InvertDisplay = 0xA7,
-  SetDisplayOffset = 0xD3,
-  SetComPins = 0xda,
-  SetVComDetect = 0xdb,
-  SetDisplayClockDiv = 0xD5,
-  SetPreCharge = 0xd9,
-  SetMultiPlex = 0xa8,
-  SetLowColumn = 0x00,
-  SetHighColumn = 0x10,
-  SetStartLine = 0x40,
-
-  SetMemoryMode = 0x20,
-  ColumnAddr = 0x21,
-  PageAddr = 0x22,
-
-  ComScanInc = 0xc0,
-  ComScanDec = 0xc8,
-  SegRemap = 0xa0,
-  SetChargePump = 0x8d,
-  ExternalVcc = 0x01,
-  SwitchCapVcc = 0x02,
-
-  ActivateScroll = 0x2f,
-  DeActivateScroll = 0x2e,
-  SetVerticalScrollArea = 0xa3,
-  RightHorizontalScroll = 0x26,
-  LeftHorizontalScroll = 0x27,
-  VerticalAndRightHorizontalScroll = 0x29,
-  VerticalAndLeftHorizontalScroll = 0x2a,
-};
-
-
-// Write command sequence.
-// Returns true on success.
-static inline bool _send_cmd1(uint8_t cmd) {
-  bool res = false;
-
-  if (i2c_start_write(i2cAddress)) {
-    xprintf("failed to start write to %d\n", i2cAddress);
-    goto done;
-  }
-
-  if (i2c_master_write(0x0 /* command byte follows */)) {
-    print("failed to write control byte\n");
-
-    goto done;
-  }
-
-  if (i2c_master_write(cmd)) {
-    xprintf("failed to write command %d\n", cmd);
-    goto done;
-  }
-  res = true;
-done:
-  i2c_master_stop();
-  return res;
-}
-
-// Write 2-byte command sequence.
-// Returns true on success
-static inline bool _send_cmd2(uint8_t cmd, uint8_t opr) {
-  if (!_send_cmd1(cmd)) {
-    return false;
-  }
-  return _send_cmd1(opr);
-}
-
-// Write 3-byte command sequence.
-// Returns true on success
-static inline bool _send_cmd3(uint8_t cmd, uint8_t opr1, uint8_t opr2) {
-  if (!_send_cmd1(cmd)) {
-    return false;
-  }
-  if (!_send_cmd1(opr1)) {
-    return false;
-  }
-  return _send_cmd1(opr2);
-}
-
-#define send_cmd1(c) if (!_send_cmd1(c)) {goto done;}
-#define send_cmd2(c,o) if (!_send_cmd2(c,o)) {goto done;}
-#define send_cmd3(c,o1,o2) if (!_send_cmd3(c,o1,o2)) {goto done;}
-
-static void matrix_clear(struct CharacterMatrix *matrix);
-
-static void clear_display(void) {
-  matrix_clear(&display);
-
-  // Clear all of the display bits (there can be random noise
-  // in the RAM on startup)
-  send_cmd3(PageAddr, 0, (DisplayHeight / 8) - 1);
-  send_cmd3(ColumnAddr, 0, DisplayWidth - 1);
-
-  if (i2c_start_write(i2cAddress)) {
-    goto done;
-  }
-  if (i2c_master_write(0x40)) {
-    // Data mode
-    goto done;
-  }
-  for (uint8_t row = 0; row < MatrixRows; ++row) {
-    for (uint8_t col = 0; col < DisplayWidth; ++col) {
-      i2c_master_write(0);
-    }
-  }
-
-  display.dirty = false;
-
-done:
-  i2c_master_stop();
-}
-
-#if DEBUG_TO_SCREEN
-#undef sendchar
-static int8_t capture_sendchar(uint8_t c) {
-  sendchar(c);
-  iota_gfx_write_char(c);
-
-  if (!displaying) {
-    iota_gfx_flush();
-  }
-  return 0;
-}
-#endif
-
-bool iota_gfx_init(void) {
-  bool success = false;
-
-  send_cmd1(DisplayOff);
-  send_cmd2(SetDisplayClockDiv, 0x80);
-  send_cmd2(SetMultiPlex, DisplayHeight - 1);
-
-  send_cmd2(SetDisplayOffset, 0);
-
-
-  send_cmd1(SetStartLine | 0x0);
-  send_cmd2(SetChargePump, 0x14 /* Enable */);
-  send_cmd2(SetMemoryMode, 0 /* horizontal addressing */);
-
-/// Flips the display orientation 0 degrees
-  send_cmd1(SegRemap | 0x1);
-  send_cmd1(ComScanDec);
-/*
-// the following Flip the display orientation 180 degrees
-  send_cmd1(SegRemap);
-  send_cmd1(ComScanInc);
-// end flip */
-  send_cmd2(SetComPins, 0x2);
-  send_cmd2(SetContrast, 0x8f);
-  send_cmd2(SetPreCharge, 0xf1);
-  send_cmd2(SetVComDetect, 0x40);
-  send_cmd1(DisplayAllOnResume);
-  send_cmd1(NormalDisplay);
-  send_cmd1(DeActivateScroll);
-  send_cmd1(DisplayOn);
-
-  send_cmd2(SetContrast, 0); // Dim
-
-  clear_display();
-
-  success = true;
-
-  iota_gfx_flush();
-
-#if DEBUG_TO_SCREEN
-  print_set_sendchar(capture_sendchar);
-#endif
-
-done:
-  return success;
-}
-
-bool iota_gfx_off(void) {
-  bool success = false;
-
-  send_cmd1(DisplayOff);
-  success = true;
-
-done:
-  return success;
-} 
-
-bool iota_gfx_on(void) {
-  bool success = false;
-
-  send_cmd1(DisplayOn);
-  success = true;
-
-done:
-  return success;
-}
-
-static void matrix_write_char_inner(struct CharacterMatrix *matrix, uint8_t c) {
-  *matrix->cursor = c;
-  ++matrix->cursor;
-
-  if (matrix->cursor - &matrix->display[0][0] == sizeof(matrix->display)) {
-    // We went off the end; scroll the display upwards by one line
-    memmove(&matrix->display[0], &matrix->display[1],
-            MatrixCols * (MatrixRows - 1));
-    matrix->cursor = &matrix->display[MatrixRows - 1][0];
-    memset(matrix->cursor, ' ', MatrixCols);
-  }
-}
-
-static void matrix_write_char(struct CharacterMatrix *matrix, uint8_t c) {
-  matrix->dirty = true;
-
-  if (c == '\n') {
-    // Clear to end of line from the cursor and then move to the
-    // start of the next line
-    uint8_t cursor_col = (matrix->cursor - &matrix->display[0][0]) % MatrixCols;
-
-    while (cursor_col++ < MatrixCols) {
-      matrix_write_char_inner(matrix, ' ');
-    }
-    return;
-  }
-
-  matrix_write_char_inner(matrix, c);
-}
-
-void iota_gfx_write_char(uint8_t c) {
-  matrix_write_char(&display, c);
-}
-
-static void matrix_write(struct CharacterMatrix *matrix, const char *data) {
-  const char *end = data + strlen(data);
-  while (data < end) {
-    matrix_write_char(matrix, *data);
-    ++data;
-  }
-}
-
-void iota_gfx_write(const char *data) {
-  matrix_write(&display, data);
-}
-
-static void matrix_write_P(struct CharacterMatrix *matrix, const char *data) {
-  while (true) {
-    uint8_t c = pgm_read_byte(data);
-    if (c == 0) {
-      return;
-    }
-    matrix_write_char(matrix, c);
-    ++data;
-  }
-}
-
-void iota_gfx_write_P(const char *data) {
-  matrix_write_P(&display, data);
-}
-
-static void matrix_clear(struct CharacterMatrix *matrix) {
-  memset(matrix->display, ' ', sizeof(matrix->display));
-  matrix->cursor = &matrix->display[0][0];
-  matrix->dirty = true;
-}
-
-void iota_gfx_clear_screen(void) {
-  matrix_clear(&display);
-}
-
-static void matrix_render(struct CharacterMatrix *matrix) {
-  last_flush = timer_read();
-  iota_gfx_on();
-#if DEBUG_TO_SCREEN
-  ++displaying;
-#endif
-
-  // Move to the home position
-  send_cmd3(PageAddr, 0, MatrixRows - 1);
-  send_cmd3(ColumnAddr, 0, (MatrixCols * FontWidth) - 1);
-
-  if (i2c_start_write(i2cAddress)) {
-    goto done;
-  }
-  if (i2c_master_write(0x40)) {
-    // Data mode
-    goto done;
-  }
-
-  for (uint8_t row = 0; row < MatrixRows; ++row) {
-    for (uint8_t col = 0; col < MatrixCols; ++col) {
-      const uint8_t *glyph = font + (matrix->display[row][col] * (FontWidth - 1));
-
-      for (uint8_t glyphCol = 0; glyphCol < FontWidth - 1; ++glyphCol) {
-        uint8_t colBits = pgm_read_byte(glyph + glyphCol);
-        i2c_master_write(colBits);
-      }
-
-      // 1 column of space between chars (it's not included in the glyph)
-      i2c_master_write(0);
-    }
-  }
-
-  matrix->dirty = false;
-
-done:
-  i2c_master_stop();
-#if DEBUG_TO_SCREEN
-  --displaying;
-#endif
-}
-
-void iota_gfx_flush(void) {
-  matrix_render(&display);
-}
-
-static void matrix_update(struct CharacterMatrix *dest,
-                          const struct CharacterMatrix *source) {
-  if (memcmp(dest->display, source->display, sizeof(dest->display))) {
-    memcpy(dest->display, source->display, sizeof(dest->display));
-    dest->dirty = true;
-  }
-}
-
-static void render_status_info(void) {
-#if DEBUG_TO_SCREEN
-  if (debug_enable) {
-    return;
-  }
-#endif
-
-  struct CharacterMatrix matrix;
-
-  matrix_clear(&matrix);
-  matrix_write_P(&matrix, PSTR("USB: "));
-#ifdef PROTOCOL_LUFA
-  switch (USB_DeviceState) {
-    case DEVICE_STATE_Unattached:
-      matrix_write_P(&matrix, PSTR("Unattached"));
-      break;
-    case DEVICE_STATE_Suspended:
-      matrix_write_P(&matrix, PSTR("Suspended"));
-      break;
-    case DEVICE_STATE_Configured:
-      matrix_write_P(&matrix, PSTR("Connected"));
-      break;
-    case DEVICE_STATE_Powered:
-      matrix_write_P(&matrix, PSTR("Powered"));
-      break;
-    case DEVICE_STATE_Default:
-      matrix_write_P(&matrix, PSTR("Default"));
-      break;
-    case DEVICE_STATE_Addressed:
-      matrix_write_P(&matrix, PSTR("Addressed"));
-      break;
-    default:
-      matrix_write_P(&matrix, PSTR("Invalid"));
-  }
-#endif
-
-// Define layers here, Have not worked out how to have text displayed for each layer. Copy down the number you see and add a case for it below
-
-  char buf[40];
-  snprintf(buf,sizeof(buf), "Undef-%ld", layer_state);
-  matrix_write_P(&matrix, PSTR("\n\nLayer: "));
-    switch (layer_state) {
-        case _BASE:
-           matrix_write_P(&matrix, PSTR("Default"));
-           break;
-        case _RAISE:
-           matrix_write_P(&matrix, PSTR("Raise"));
-           break;
-        case _LOWER:
-           matrix_write_P(&matrix, PSTR("Lower"));
-           break;
-        case _ADJUST:
-           matrix_write_P(&matrix, PSTR("ADJUST"));
-           break;
-        default:
-           matrix_write(&matrix, buf);
- }
-  
-  // Host Keyboard LED Status
-  char led[40];
-    snprintf(led, sizeof(led), "\n%s  %s  %s",
-            (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : "       ",
-            (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : "    ",
-            (host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : "    ");
-  matrix_write(&matrix, led);
-  matrix_update(&display, &matrix);
-}
-
-void iota_gfx_task(void) {
-  render_status_info();
-
-  if (display.dirty) {
-    iota_gfx_flush();
-  }
-
-  if (timer_elapsed(last_flush) > ScreenOffInterval) {
-    iota_gfx_off();
-  }
-}
-#endif
diff --git a/keyboards/lets_split/ssd1306.h b/keyboards/lets_split/ssd1306.h
deleted file mode 100644
index b0c74f987e..0000000000
--- a/keyboards/lets_split/ssd1306.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef SSD1306_H
-#define SSD1306_H
-
-#include <stdbool.h>
-#include <stdio.h>
-
-bool iota_gfx_init(void);
-void iota_gfx_task(void);
-bool iota_gfx_off(void);
-bool iota_gfx_on(void);
-void iota_gfx_flush(void);
-void iota_gfx_write_char(uint8_t c);
-void iota_gfx_write(const char *data);
-void iota_gfx_write_P(const char *data);
-void iota_gfx_clear_screen(void);
-
-#endif