[Keyboard] Convert ergoinu to SPLIT_KEYBOARD (#15305)

18 files changed, 77 insertions, 878 deletions

diff --git a/keyboards/dm9records/ergoinu/config.h b/keyboards/dm9records/ergoinu/config.h
index 113eaf9f76..89ea9e7903 100644
--- a/keyboards/dm9records/ergoinu/config.h
+++ b/keyboards/dm9records/ergoinu/config.h
@@ -20,7 +20,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #pragma once
 
 #include "config_common.h"
-#include "serial_config.h"
 
 /* USB Device descriptor parameter
    VID & PID are lisenced from microchip sublisence program, Don't use other project! */
@@ -30,11 +29,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MANUFACTURER    Dm9Records
 #define PRODUCT         ergoinu
 
-#define TAPPING_FORCE_HOLD
-#define TAPPING_TERM 100
-
 #define USE_SERIAL
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D2
+
 /* Select hand configuration */
 #define MASTER_LEFT
 // #define MASTER_RIGHT
@@ -49,6 +48,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MATRIX_COLS 7
 #define MATRIX_COL_PINS { B4, E6, D7, C6, D4, F5, F4 }
 
+/* COL2ROW, ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
 /* define if matrix has ghost */
 //#define MATRIX_HAS_GHOST
 
diff --git a/keyboards/dm9records/ergoinu/ergoinu.c b/keyboards/dm9records/ergoinu/ergoinu.c
index c6d099a148..a01ac0a25c 100644
--- a/keyboards/dm9records/ergoinu/ergoinu.c
+++ b/keyboards/dm9records/ergoinu/ergoinu.c
@@ -1 +1,18 @@
+/*
+Copyright 2018 Takuya Urakawa<twitter:@hsgw>
+
+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 "ergoinu.h"
diff --git a/keyboards/dm9records/ergoinu/ergoinu.h b/keyboards/dm9records/ergoinu/ergoinu.h
index 43249a8440..c275d3fa27 100644
--- a/keyboards/dm9records/ergoinu/ergoinu.h
+++ b/keyboards/dm9records/ergoinu/ergoinu.h
@@ -19,10 +19,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "quantum.h"
 
-#ifdef RGBLIGHT_ENABLE
-#include "ws2812.h"
-#endif
-
 #define LAYOUT( \
   L00, L01, L02, L03, L04, L05, L06, R00, R01, R02, R03, R04, R05, R06, \
   L07, L08, L09, L10, L11, L12, L13, R07, R08, R09, R10, R11, R12, R13, \
@@ -41,4 +37,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
     { R27, R26, R25, R24, R23, R22, R21 }, \
     { KC_NO, KC_NO, R32, R31, R30, R29, R28 } \
   }
-
diff --git a/keyboards/dm9records/ergoinu/keymaps/default/config.h b/keyboards/dm9records/ergoinu/keymaps/default/config.h
deleted file mode 100644
index bb266f25e7..0000000000
--- a/keyboards/dm9records/ergoinu/keymaps/default/config.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
-This is the c configuration file for the keymap
-
-Copyright 2012 Jun Wako <wakojun@gmail.com>
-Copyright 2015 Jack Humbert
-Copyright 2018 Takuya Urakawa <Twitter:@hsgw>
-
-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/>.
-*/
-
-#pragma once
-
-#define RGBLIGHT_ANIMATIONS
diff --git a/keyboards/dm9records/ergoinu/keymaps/default/keymap.c b/keyboards/dm9records/ergoinu/keymaps/default/keymap.c
index 3192b0f220..862b538829 100644
--- a/keyboards/dm9records/ergoinu/keymaps/default/keymap.c
+++ b/keyboards/dm9records/ergoinu/keymaps/default/keymap.c
@@ -5,14 +5,6 @@
 extern rgblight_config_t rgblight_config;
 #endif
 
-#define JA_CLON KC_QUOT  // : and +
-#define JA_AT   KC_LBRC  // @ and `
-#define JA_HAT  KC_EQL   // ^ and ~
-#define JA_ENUN KC_RO    // \ and _ (EN mark and UNder score)
-#define JA_ENVL KC_JYEN  // \ and | (EN mark and Vertical Line)
-#define JA_LBRC KC_RBRC  // [ and {
-#define JA_RBRC KC_BSLS  // ] and }
-
 enum LAYER_NO {
   BASE = 0,
   META,
@@ -24,33 +16,30 @@ enum CUSTOM_KEYCODES {
   RGB_TYPE,
 };
 
-// Fillers to make layering more clear
-#define ______ KC_TRNS
-#define XXXXXX KC_NO
-
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
-  [BASE] = LAYOUT( \
-    KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,     KC_5,    KC_6,    KC_7,   KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,   KC_BSLS, \
-    KC_DEL,  KC_TAB,  KC_Q,    KC_W,    KC_E,     KC_R,    KC_T,    KC_Y,   KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC,  KC_RBRC, \
-    KC_LCTL,          KC_A,    KC_S,    KC_D,     KC_F,    KC_G,    KC_H,   KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,  KC_GRV, \
-    KC_LSFT,          KC_Z,    KC_X,    KC_C,     KC_V,    KC_B,    KC_N,   KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,  KC_RSFT, \
-                      MO(META),KC_LALT, KC_LGUI,  KC_ENT,  KC_SPC,  KC_ENT, KC_BSPC, KC_RGUI, KC_RALT, MO(META) \
+  [BASE] = LAYOUT(
+    KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,     KC_5,    KC_6,    KC_7,   KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSLS,
+    KC_DEL,  KC_TAB,  KC_Q,    KC_W,    KC_E,     KC_R,    KC_T,    KC_Y,   KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC,
+    KC_LCTL,          KC_A,    KC_S,    KC_D,     KC_F,    KC_G,    KC_H,   KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT, KC_GRV,
+    KC_LSFT,          KC_Z,    KC_X,    KC_C,     KC_V,    KC_B,    KC_N,   KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT, KC_RSFT,
+                      MO(META),KC_LALT, KC_LGUI,  KC_ENT,  KC_SPC,  KC_ENT, KC_BSPC, KC_RGUI, KC_RALT, MO(META)
   ),
 
-  [META] = LAYOUT( \
-    MO(CONF),KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_INS, \
-    ______,  KC_CAPS, ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  KC_SLCK, KC_PSCR, KC_HOME, KC_END, \
-    ______,           ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  KC_PAUS, KC_PGUP, KC_UP,   KC_PGDN, \
-    ______,           ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  KC_LEFT, KC_DOWN, KC_RGHT, \
-                      ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______, ______ \
+  [META] = LAYOUT(
+    MO(CONF),KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_INS,
+    _______, KC_CAPS, _______, _______, _______, _______, _______, _______, _______, _______, KC_SLCK, KC_PSCR, KC_HOME, KC_END,
+    _______,          _______, _______, _______, _______, _______, _______, _______, _______, KC_PAUS, KC_PGUP, KC_UP,   KC_PGDN,
+    _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_LEFT, KC_DOWN, KC_RGHT,
+                      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
   ),
- [CONF] = LAYOUT( \
-    ______,  RGB_TYPE,RGB_MOD,  RGB_VAI, RGB_HUI, RGB_HUI,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX, \
-    RGB_RST, RGB_TOG, RGB_RMOD, RGB_VAD, RGB_HUD, RGB_HUD,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX, \
-    XXXXXX,           XXXXXX,   XXXXXX,  XXXXXX,  XXXXXX,   XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX, \
-    XXXXXX,           XXXXXX,   XXXXXX,  XXXXXX,  XXXXXX,   XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX, \
-                      XXXXXX,   XXXXXX,  XXXXXX,  XXXXXX,   XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX \
+
+  [CONF] = LAYOUT(
+    _______, RGB_TYPE,RGB_MOD,  RGB_VAI, RGB_HUI, RGB_HUI, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+    RGB_RST, RGB_TOG, RGB_RMOD, RGB_VAD, RGB_HUD, RGB_HUD, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+    XXXXXXX,          XXXXXXX,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+    XXXXXXX,          XXXXXXX,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+                      XXXXXXX,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
   )
 };
 
diff --git a/keyboards/dm9records/ergoinu/keymaps/default/rules.mk b/keyboards/dm9records/ergoinu/keymaps/default/rules.mk
deleted file mode 100644
index 8741c24d87..0000000000
--- a/keyboards/dm9records/ergoinu/keymaps/default/rules.mk
+++ /dev/null
@@ -1,26 +0,0 @@
-
-# Build Options
-#   change to "no" to disable the options, or define them in the Makefile in
-#   the appropriate keymap folder that will get included automatically
-#
-BOOTMAGIC_ENABLE = no       # Enable Bootmagic Lite
-MOUSEKEY_ENABLE = no       # Mouse keys
-EXTRAKEY_ENABLE = no       # Audio control and System control
-CONSOLE_ENABLE = no         # Console for debug
-COMMAND_ENABLE = no        # 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
-AUDIO_ENABLE = no           # Audio output
-RGBLIGHT_ENABLE = yes        # Enable WS2812 RGB underlight. 
-SWAP_HANDS_ENABLE = no        # Enable one-hand typing
-
-# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
-SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
-
-# ergoinu configs
-DISABLE_PROMICRO_LEDs = yes
-
-# Uncomment these for debugging
-# $(info -- RGBLIGHT_ENABLE=$(RGBLIGHT_ENABLE))
-# $(info -- OPT_DEFS=$(OPT_DEFS))
-# $(info )
diff --git a/keyboards/dm9records/ergoinu/keymaps/default_jis/config.h b/keyboards/dm9records/ergoinu/keymaps/default_jis/config.h
deleted file mode 100644
index bb266f25e7..0000000000
--- a/keyboards/dm9records/ergoinu/keymaps/default_jis/config.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
-This is the c configuration file for the keymap
-
-Copyright 2012 Jun Wako <wakojun@gmail.com>
-Copyright 2015 Jack Humbert
-Copyright 2018 Takuya Urakawa <Twitter:@hsgw>
-
-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/>.
-*/
-
-#pragma once
-
-#define RGBLIGHT_ANIMATIONS
diff --git a/keyboards/dm9records/ergoinu/keymaps/default_jis/keymap.c b/keyboards/dm9records/ergoinu/keymaps/default_jis/keymap.c
index e161145f4f..32289c44db 100644
--- a/keyboards/dm9records/ergoinu/keymaps/default_jis/keymap.c
+++ b/keyboards/dm9records/ergoinu/keymaps/default_jis/keymap.c
@@ -24,34 +24,30 @@ enum CUSTOM_KEYCODES {
   RGB_TYPE,
 };
 
-// Fillers to make layering more clear
-#define ______ KC_TRNS
-#define XXXXXX KC_NO
-
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
-  [BASE] = LAYOUT( \
-    KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,   KC_8,    KC_9,    KC_0,    KC_MINS, JA_HAT,   KC_JYEN, \
-    KC_DEL,  KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,   KC_U,    KC_I,    KC_O,    KC_P,    JA_AT,    JA_LBRC, \
-    KC_LCTL,          KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,   KC_J,    KC_K,    KC_L,    KC_SCLN, JA_CLON,  JA_RBRC, \
-    KC_LSFT,          KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,   KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RO,    KC_RSFT, \
-                      MO(META),KC_LALT, KC_ZKHK, KC_BSPC, KC_SPC,  KC_ENT, KC_BSPC, KC_MHEN, KC_KANA, MO(META) \
+  [BASE] = LAYOUT(
+    KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,   KC_8,    KC_9,    KC_0,    KC_MINS, JA_HAT,   KC_JYEN,
+    KC_DEL,  KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,   KC_U,    KC_I,    KC_O,    KC_P,    JA_AT,    JA_LBRC,
+    KC_LCTL,          KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,   KC_J,    KC_K,    KC_L,    KC_SCLN, JA_CLON,  JA_RBRC,
+    KC_LSFT,          KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,   KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RO,    KC_RSFT,
+                      MO(META),KC_LALT, KC_ZKHK, KC_BSPC, KC_SPC,  KC_ENT, KC_BSPC, KC_MHEN, KC_KANA, MO(META)
   ),
 
-
-  [META] = LAYOUT( \
-    MO(CONF),KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_INS, \
-    ______,  KC_CAPS, ______,  KC_UP,   ______,  ______,  ______,  ______,  ______,  ______,  KC_SLCK, KC_PSCR, KC_HOME, KC_END, \
-    ______,           KC_LEFT, KC_DOWN, KC_RGHT, ______,  ______,  ______,  ______,  ______,  KC_PAUS, KC_PGUP, KC_UP,   KC_PGDN, \
-    ______,           ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  ______,  KC_LEFT, KC_DOWN, KC_RGHT, \
-                      ______,  ______,  KC_RGUI, KC_DEL,  KC_ENT,  ______,  KC_DEL,  KC_HENK, KC_LGUI, ______ \
+  [META] = LAYOUT(
+    MO(CONF),KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_INS,
+    _______, KC_CAPS, _______, KC_UP,   _______, _______, _______, _______, _______, _______, KC_SLCK, KC_PSCR, KC_HOME, KC_END,
+    _______,          KC_LEFT, KC_DOWN, KC_RGHT, _______, _______, _______, _______, _______, KC_PAUS, KC_PGUP, KC_UP,   KC_PGDN,
+    _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_LEFT, KC_DOWN, KC_RGHT,
+                      _______, _______, KC_RGUI, KC_DEL,  KC_ENT,  _______, KC_DEL,  KC_HENK, KC_LGUI, _______
   ),
- [CONF] = LAYOUT( \
-    ______,  RGB_TYPE,RGB_MOD,  RGB_VAI, RGB_HUI, RGB_HUI,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX, \
-    RGB_RST, RGB_TOG, RGB_RMOD, RGB_VAD, RGB_HUD, RGB_HUD,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX, \
-    XXXXXX,           XXXXXX,   XXXXXX,  XXXXXX,  XXXXXX,   XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX, \
-    XXXXXX,           XXXXXX,   XXXXXX,  XXXXXX,  XXXXXX,   XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX, \
-                      XXXXXX,   XXXXXX,  XXXXXX,  XXXXXX,   XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX,  XXXXXX \
+
+  [CONF] = LAYOUT(
+    _______, RGB_TYPE,RGB_MOD,  RGB_VAI, RGB_HUI, RGB_HUI, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+    RGB_RST, RGB_TOG, RGB_RMOD, RGB_VAD, RGB_HUD, RGB_HUD, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+    XXXXXXX,          XXXXXXX,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+    XXXXXXX,          XXXXXXX,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+                      XXXXXXX,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
   )
 };
 
diff --git a/keyboards/dm9records/ergoinu/keymaps/default_jis/rules.mk b/keyboards/dm9records/ergoinu/keymaps/default_jis/rules.mk
deleted file mode 100644
index 48418de471..0000000000
--- a/keyboards/dm9records/ergoinu/keymaps/default_jis/rules.mk
+++ /dev/null
@@ -1,26 +0,0 @@
-
-# Build Options
-#   change to "no" to disable the options, or define them in the Makefile in
-#   the appropriate keymap folder that will get included automatically
-#
-BOOTMAGIC_ENABLE = no       # Enable Bootmagic Lite
-MOUSEKEY_ENABLE = no       # Mouse keys(+4700)
-EXTRAKEY_ENABLE = no       # Audio control and System control(+450)
-CONSOLE_ENABLE = no         # Console for debug(+400)
-COMMAND_ENABLE = no        # 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
-AUDIO_ENABLE = no           # Audio output
-RGBLIGHT_ENABLE = yes        # Enable WS2812 RGB underlight. 
-SWAP_HANDS_ENABLE = no        # Enable one-hand typing
-
-# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
-SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
-
-# ergoinu configs
-DISABLE_PROMICRO_LEDs = yes
-
-# Uncomment these for debugging
-# $(info -- RGBLIGHT_ENABLE=$(RGBLIGHT_ENABLE))
-# $(info -- OPT_DEFS=$(OPT_DEFS))
-# $(info )
diff --git a/keyboards/dm9records/ergoinu/matrix.c b/keyboards/dm9records/ergoinu/matrix.c
deleted file mode 100644
index 87a5817313..0000000000
--- a/keyboards/dm9records/ergoinu/matrix.c
+++ /dev/null
@@ -1,286 +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/>.
-*/
-
-/*
- * scan matrix
- */
-#include <stdint.h>
-#include <stdbool.h>
-#include <avr/io.h>
-#include <avr/wdt.h>
-#include <avr/interrupt.h>
-#include <util/delay.h>
-#include "print.h"
-#include "debug.h"
-#include "util.h"
-#include "matrix.h"
-#include "split_util.h"
-#include "quantum.h"
-
-#include "serial.h"
-
-#ifndef DEBOUNCE
-#  define DEBOUNCE	5
-#endif
-
-#define ERROR_DISCONNECT_COUNT 5
-
-static uint8_t debouncing = DEBOUNCE;
-static const int ROWS_PER_HAND = MATRIX_ROWS/2;
-static uint8_t error_count = 0;
-uint8_t is_master = 0 ;
-
-static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
-static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
-
-/* matrix state(1:on, 0:off) */
-static matrix_row_t matrix[MATRIX_ROWS];
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];
-
-static matrix_row_t read_cols(void);
-static void init_cols(void);
-static void unselect_rows(void);
-static void select_row(uint8_t row);
-static uint8_t matrix_master_scan(void);
-
-
-__attribute__ ((weak))
-void matrix_init_kb(void) {
-  matrix_init_user();
-}
-
-__attribute__ ((weak))
-void matrix_scan_kb(void) {
-  matrix_scan_user();
-}
-
-__attribute__ ((weak))
-void matrix_init_user(void) {
-}
-
-__attribute__ ((weak))
-void matrix_scan_user(void) {
-}
-
-inline
-uint8_t matrix_rows(void) {
-  return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void) {
-  return MATRIX_COLS;
-}
-
-void matrix_init(void) {
-  debug_enable = true;
-  debug_matrix = true;
-  debug_mouse = true;
-  // initialize row and col
-  unselect_rows();
-  init_cols();
-
-  setPinOutput(B0);
-  setPinOutput(D5);
-
-  #ifdef DISABLE_PROMICRO_LEDs
-    writePinHigh(B0);
-    writePinHigh(D5);
-  #endif
-
-  // initialize matrix state: all keys off
-  for (uint8_t i=0; i < MATRIX_ROWS; i++) {
-      matrix[i] = 0;
-      matrix_debouncing[i] = 0;
-  }
-
-  is_master = has_usb();
-
-  matrix_init_quantum();
-}
-
-uint8_t _matrix_scan(void) {
-  // Right hand is stored after the left in the matirx so, we need to offset it
-  int offset = isLeftHand ? 0 : (ROWS_PER_HAND);
-
-  for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
-      select_row(i);
-      _delay_us(30);  // without this wait read unstable value.
-      matrix_row_t cols = read_cols();
-      if (matrix_debouncing[i+offset] != cols) {
-          matrix_debouncing[i+offset] = cols;
-          debouncing = DEBOUNCE;
-      }
-      unselect_rows();
-  }
-
-  if (debouncing) {
-      if (--debouncing) {
-          _delay_ms(1);
-      } else {
-          for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
-              matrix[i+offset] = matrix_debouncing[i+offset];
-          }
-      }
-  }
-
-  return 1;
-}
-
-int serial_transaction(void) {
-  int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
-  int ret=serial_update_buffers();
-  if (ret ) {
-#ifndef DISABLE_PROMICRO_LEDs
-      if(ret==2) writePinLow(B0);
-#endif
-      return 1;
-  }
-#ifndef DISABLE_PROMICRO_LEDs
-  writePinHigh(B0);
-#endif
-  for (int i = 0; i < ROWS_PER_HAND; ++i) {
-      matrix[slaveOffset+i] = serial_slave_buffer[i];
-  }
-  return 0;
-}
-
-uint8_t matrix_scan(void) {
-  if (is_master) {
-    matrix_master_scan();
-  }else{
-    matrix_slave_scan();
-
-    int offset = (isLeftHand) ? ROWS_PER_HAND : 0;
-
-    for (int i = 0; i < ROWS_PER_HAND; ++i) {
-      matrix[offset+i] = serial_master_buffer[i];
-    }
-
-    matrix_scan_quantum();
-  }
-  return 1;
-}
-
-
-uint8_t matrix_master_scan(void) {
-
-  int ret = _matrix_scan();
-
-  int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
-
-  for (int i = 0; i < ROWS_PER_HAND; ++i) {
-    serial_master_buffer[i] = matrix[offset+i];
-  }
-
-  if( serial_transaction() ) {
-#ifndef DISABLE_PROMICRO_LEDs
-    // turn on the indicator led when halves are disconnected
-    writePinLow(D5);
-#endif
-
-    error_count++;
-
-    if (error_count > ERROR_DISCONNECT_COUNT) {
-        // reset other half if disconnected
-      int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
-      for (int i = 0; i < ROWS_PER_HAND; ++i) {
-          matrix[slaveOffset+i] = 0;
-      }
-    }
-  } else {
-#ifndef DISABLE_PROMICRO_LEDs
-    // turn off the indicator led on no error
-    writePinHigh(D5);
-#endif
-    error_count = 0;
-  }
-  matrix_scan_quantum();
-  return ret;
-}
-
-void matrix_slave_scan(void) {
-  _matrix_scan();
-
-  int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
-
-  for (int i = 0; i < ROWS_PER_HAND; ++i) {
-    serial_slave_buffer[i] = matrix[offset+i];
-  }
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
-  return (matrix[row] & ((matrix_row_t)1<<col));
-}
-
-inline
-matrix_row_t matrix_get_row(uint8_t row)
-{
-  return matrix[row];
-}
-
-void matrix_print(void)
-{
-  print("\nr/c 0123456789ABCDEF\n");
-  for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
-    print_hex8(row); print(": ");
-    print_bin_reverse16(matrix_get_row(row));
-    print("\n");
-  }
-}
-
-uint8_t matrix_key_count(void)
-{
-  uint8_t count = 0;
-  for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-    count += bitpop16(matrix[i]);
-  }
-  return count;
-}
-
-static void  init_cols(void)
-{
-  for(int x = 0; x < MATRIX_COLS; x++) {
-    _SFR_IO8((col_pins[x] >> 4) + 1) &=  ~_BV(col_pins[x] & 0xF);
-    _SFR_IO8((col_pins[x] >> 4) + 2) |= _BV(col_pins[x] & 0xF);
-  }
-}
-
-static matrix_row_t read_cols(void)
-{
-  matrix_row_t result = 0;
-  for(int x = 0; x < MATRIX_COLS; x++) {
-    result |= (_SFR_IO8(col_pins[x] >> 4) & _BV(col_pins[x] & 0xF)) ? 0 : (1 << x);
-  }
-  return result;
-}
-
-static void unselect_rows(void)
-{
-  for(int x = 0; x < ROWS_PER_HAND; x++) {
-    _SFR_IO8((row_pins[x] >> 4) + 1) &=  ~_BV(row_pins[x] & 0xF);
-    _SFR_IO8((row_pins[x] >> 4) + 2) |= _BV(row_pins[x] & 0xF);
-  }
-}
-
-static void select_row(uint8_t row)
-{
-  _SFR_IO8((row_pins[row] >> 4) + 1) |=  _BV(row_pins[row] & 0xF);
-  _SFR_IO8((row_pins[row] >> 4) + 2) &= ~_BV(row_pins[row] & 0xF);
-}
diff --git a/keyboards/dm9records/ergoinu/post_rules.mk b/keyboards/dm9records/ergoinu/post_rules.mk
deleted file mode 100644
index 02aa48104c..0000000000
--- a/keyboards/dm9records/ergoinu/post_rules.mk
+++ /dev/null
@@ -1,9 +0,0 @@
-ifneq ($(strip $(ERGOINU)),)
-  ifeq ($(findstring promicroled, $(ERGOINU)), promicroled)
-    DISABLE_PROMICRO_LEDs = no
-  endif
-endif
-
-ifeq ($(strip $(DISABLE_PROMICRO_LEDs)), yes)
-  OPT_DEFS += -DDISABLE_PROMICRO_LEDs
-endif
diff --git a/keyboards/dm9records/ergoinu/readme.md b/keyboards/dm9records/ergoinu/readme.md
index de0a1c6c97..45f91dbac2 100644
--- a/keyboards/dm9records/ergoinu/readme.md
+++ b/keyboards/dm9records/ergoinu/readme.md
@@ -1,13 +1,12 @@
-ErgoInu
-===
+# ErgoInu
 
 ![ergoinu](https://i.imgur.com/4CCM8Vl.jpg)
 
 An (Not Portable But Small) Ergonomic Split Keyboard.
 
-Keyboard Maintainer: [hsgw](https://github.com/hsgw/)   [twitter](https://twitter.com/hsgw)  
-Hardware Supported: Pro Micro  
-Hardware Availability & Repository: [https://github.com/hsgw/ergoinu](https://github.com/hsgw/ergoinu)  
+* Keyboard Maintainer: [hsgw](https://github.com/hsgw/)   [twitter](https://twitter.com/hsgw)
+* Hardware Supported: Pro Micro
+* Hardware Availability & Repository: [https://github.com/hsgw/ergoinu](https://github.com/hsgw/ergoinu)
 
 Make example for this keyboard (after setting up your build environment):
 
diff --git a/keyboards/dm9records/ergoinu/rules.mk b/keyboards/dm9records/ergoinu/rules.mk
index 895ce253d7..9bdc73b761 100644
--- a/keyboards/dm9records/ergoinu/rules.mk
+++ b/keyboards/dm9records/ergoinu/rules.mk
@@ -5,25 +5,19 @@ MCU = atmega32u4
 BOOTLOADER = caterina
 
 # Build Options
-#   change to "no" to disable the options, or define them in the Makefile in
-#   the appropriate keymap folder that will get included automatically
+#   change yes to no to disable
 #
-BOOTMAGIC_ENABLE = no       # Enable Bootmagic Lite
-MOUSEKEY_ENABLE = no       # Mouse keys
-EXTRAKEY_ENABLE = no       # Audio control and System control
+BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
 CONSOLE_ENABLE = no         # Console for debug
-COMMAND_ENABLE = no        # 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
-AUDIO_ENABLE = no           # Audio output
-RGBLIGHT_ENABLE = no       # Enable WS2812 RGB underlight.
-SUBPROJECT_rev1 = no
-USE_I2C = no               # i2c is not supported
+COMMAND_ENABLE = no         # Commands for debug and configuration
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
-SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
-
-CUSTOM_MATRIX = yes
-SRC += matrix.c serial.c split_util.c
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = no            # USB Nkey Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
 
-# ergoinu configs
-DISABLE_PROMICRO_LEDs = yes
+SPLIT_KEYBOARD = yes
diff --git a/keyboards/dm9records/ergoinu/serial.c b/keyboards/dm9records/ergoinu/serial.c
deleted file mode 100644
index 5919415877..0000000000
--- a/keyboards/dm9records/ergoinu/serial.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
- * WARNING: be careful changing this code, it is very timing dependent
- */
-
-#ifndef F_CPU
-#define F_CPU 16000000
-#endif
-
-#include <avr/io.h>
-#include <avr/interrupt.h>
-#include <util/delay.h>
-#include <stdbool.h>
-#include "serial.h"
-
-#ifdef USE_SERIAL
-
-#define _delay_sub_us(x)    __builtin_avr_delay_cycles(x)
-
-// Serial pulse period in microseconds.
-#define SELECT_SERIAL_SPEED 1
-#if SELECT_SERIAL_SPEED == 0
-  // Very High speed
-  #define SERIAL_DELAY 4             // micro sec
-  #define READ_WRITE_START_ADJUST 30 // cycles
-  #define READ_WRITE_WIDTH_ADJUST 10 // cycles
-#elif SELECT_SERIAL_SPEED == 1
-  // High speed
-  #define SERIAL_DELAY 6             // micro sec
-  #define READ_WRITE_START_ADJUST 23 // cycles
-  #define READ_WRITE_WIDTH_ADJUST 10 // cycles
-#elif SELECT_SERIAL_SPEED == 2
-  // Middle speed
-  #define SERIAL_DELAY 12            // micro sec
-  #define READ_WRITE_START_ADJUST 25 // cycles
-  #define READ_WRITE_WIDTH_ADJUST 10 // cycles
-#elif SELECT_SERIAL_SPEED == 3
-  // Low speed
-  #define SERIAL_DELAY 24            // micro sec
-  #define READ_WRITE_START_ADJUST 25 // cycles
-  #define READ_WRITE_WIDTH_ADJUST 10 // cycles
-#elif SELECT_SERIAL_SPEED == 4
-  // Very Low speed
-  #define SERIAL_DELAY 50            // micro sec
-  #define READ_WRITE_START_ADJUST 25 // cycles
-  #define READ_WRITE_WIDTH_ADJUST 10 // cycles
-#else
-#error Illegal Serial Speed
-#endif
-
-
-#define SERIAL_DELAY_HALF1 (SERIAL_DELAY/2)
-#define SERIAL_DELAY_HALF2 (SERIAL_DELAY - SERIAL_DELAY/2)
-
-#define SLAVE_INT_WIDTH 1
-#define SLAVE_INT_RESPONSE_TIME SERIAL_DELAY
-
-uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
-uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
-
-#define SLAVE_DATA_CORRUPT (1<<0)
-volatile uint8_t status = 0;
-
-inline static
-void serial_delay(void) {
-  _delay_us(SERIAL_DELAY);
-}
-
-inline static
-void serial_delay_half1(void) {
-  _delay_us(SERIAL_DELAY_HALF1);
-}
-
-inline static
-void serial_delay_half2(void) {
-  _delay_us(SERIAL_DELAY_HALF2);
-}
-
-inline static
-void serial_output(void) {
-  SERIAL_PIN_DDR |= SERIAL_PIN_MASK;
-}
-
-// make the serial pin an input with pull-up resistor
-inline static
-void serial_input_with_pullup(void) {
-  SERIAL_PIN_DDR  &= ~SERIAL_PIN_MASK;
-  SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
-}
-
-inline static
-uint8_t serial_read_pin(void) {
-  return !!(SERIAL_PIN_INPUT & SERIAL_PIN_MASK);
-}
-
-inline static
-void serial_low(void) {
-  SERIAL_PIN_PORT &= ~SERIAL_PIN_MASK;
-}
-
-inline static
-void serial_high(void) {
-  SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
-}
-
-void serial_master_init(void) {
-  serial_output();
-  serial_high();
-}
-
-void serial_slave_init(void) {
-  serial_input_with_pullup();
-
-#if SERIAL_PIN_MASK == _BV(PD0)
-  // Enable INT0
-  EIMSK |= _BV(INT0);
-  // Trigger on falling edge of INT0
-  EICRA &= ~(_BV(ISC00) | _BV(ISC01));
-#elif SERIAL_PIN_MASK == _BV(PD2)
-  // Enable INT2
-  EIMSK |= _BV(INT2);
-  // Trigger on falling edge of INT2
-  EICRA &= ~(_BV(ISC20) | _BV(ISC21));
-#else
- #error unknown SERIAL_PIN_MASK value
-#endif
-}
-
-// Used by the sender to synchronize timing with the reciver.
-static
-void sync_recv(void) {
-  for (int i = 0; i < SERIAL_DELAY*5 && serial_read_pin(); i++ ) {
-  }
-  // This shouldn't hang if the slave disconnects because the
-  // serial line will float to high if the slave does disconnect.
-  while (!serial_read_pin());
-}
-
-// Used by the reciver to send a synchronization signal to the sender.
-static
-void sync_send(void) {
-  serial_low();
-  serial_delay();
-  serial_high();
-}
-
-// Reads a byte from the serial line
-static
-uint8_t serial_read_byte(void) {
-  uint8_t byte = 0;
-  _delay_sub_us(READ_WRITE_START_ADJUST);
-  for ( uint8_t i = 0; i < 8; ++i) {
-    serial_delay_half1();   // read the middle of pulses
-    byte = (byte << 1) | serial_read_pin();
-    _delay_sub_us(READ_WRITE_WIDTH_ADJUST);
-    serial_delay_half2();
-  }
-  return byte;
-}
-
-// Sends a byte with MSB ordering
-static
-void serial_write_byte(uint8_t data) {
-  uint8_t b = 1<<7;
-  while( b ) {
-    if(data & b) {
-      serial_high();
-    } else {
-      serial_low();
-    }
-    b >>= 1;
-    serial_delay();
-  }
-  serial_low(); // sync_send() / senc_recv() need raise edge
-}
-
-// interrupt handle to be used by the slave device
-ISR(SERIAL_PIN_INTERRUPT) {
-  serial_output();
-
-  // slave send phase
-  uint8_t checksum = 0;
-  for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {
-    sync_send();
-    serial_write_byte(serial_slave_buffer[i]);
-    checksum += serial_slave_buffer[i];
-  }
-  sync_send();
-  serial_write_byte(checksum);
-
-  // slave switch to input
-  sync_send(); //0
-  serial_delay_half1(); //1
-  serial_low();         //2
-  serial_input_with_pullup(); //2
-  serial_delay_half1(); //3
-
-  // slave recive phase
-  uint8_t checksum_computed = 0;
-  for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {
-    sync_recv();
-    serial_master_buffer[i] = serial_read_byte();
-    checksum_computed += serial_master_buffer[i];
-  }
-  sync_recv();
-  uint8_t checksum_received = serial_read_byte();
-
-  if ( checksum_computed != checksum_received ) {
-    status |= SLAVE_DATA_CORRUPT;
-  } else {
-    status &= ~SLAVE_DATA_CORRUPT;
-  }
-
-  sync_recv(); //weit master output to high
-}
-
-inline
-bool serial_slave_DATA_CORRUPT(void) {
-  return status & SLAVE_DATA_CORRUPT;
-}
-
-// Copies the serial_slave_buffer to the master and sends the
-// serial_master_buffer to the slave.
-//
-// Returns:
-// 0 => no error
-// 1 => slave did not respond
-// 2 => checksum error
-int serial_update_buffers(void) {
-  // this code is very time dependent, so we need to disable interrupts
-  cli();
-
-  // signal to the slave that we want to start a transaction
-  serial_output();
-  serial_low();
-  _delay_us(SLAVE_INT_WIDTH);
-
-  // wait for the slaves response
-  serial_input_with_pullup();
-  _delay_us(SLAVE_INT_RESPONSE_TIME);
-
-  // check if the slave is present
-  if (serial_read_pin()) {
-    // slave failed to pull the line low, assume not present
-    serial_output();
-    serial_high();
-    sei();
-    return 1;
-  }
-
-  // master recive phase
-  // if the slave is present syncronize with it
-
-  uint8_t checksum_computed = 0;
-  // receive data from the slave
-  for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {
-    sync_recv();
-    serial_slave_buffer[i] = serial_read_byte();
-    checksum_computed += serial_slave_buffer[i];
-  }
-  sync_recv();
-  uint8_t checksum_received = serial_read_byte();
-
-  if (checksum_computed != checksum_received) {
-    serial_output();
-    serial_high();
-    sei();
-    return 2;
-  }
-
-  // master switch to output
-  sync_recv(); //0
-  serial_delay();  //1
-  serial_low();    //3
-  serial_output(); // 3
-  serial_delay_half1(); //4
-
-  // master send phase
-  uint8_t checksum = 0;
-
-  for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {
-    sync_send();
-    serial_write_byte(serial_master_buffer[i]);
-    checksum += serial_master_buffer[i];
-  }
-  sync_send();
-  serial_write_byte(checksum);
-
-  // always, release the line when not in use
-  sync_send();
-
-  sei();
-  return 0;
-}
-
-#endif
diff --git a/keyboards/dm9records/ergoinu/serial.h b/keyboards/dm9records/ergoinu/serial.h
deleted file mode 100644
index 67cf06ac6b..0000000000
--- a/keyboards/dm9records/ergoinu/serial.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#pragma once
-
-#include <stdbool.h>
-
-// ////////////////////////////////////////////
-// Need Soft Serial defines in serial_config.h
-// ////////////////////////////////////////////
-// ex.
-//  #define SERIAL_PIN_DDR DDRD
-//  #define SERIAL_PIN_PORT PORTD
-//  #define SERIAL_PIN_INPUT PIND
-//  #define SERIAL_PIN_MASK _BV(PD?)   ?=0,2
-//  #define SERIAL_PIN_INTERRUPT INT?_vect  ?=0,2
-//  #define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
-//  #define SERIAL_MASTER_BUFFER_LENGTH MATRIX_ROWS/2
-
-// Buffers for master - slave communication
-extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH];
-extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH];
-
-void serial_master_init(void);
-void serial_slave_init(void);
-int serial_update_buffers(void);
-bool serial_slave_data_corrupt(void);
diff --git a/keyboards/dm9records/ergoinu/serial_config.h b/keyboards/dm9records/ergoinu/serial_config.h
deleted file mode 100644
index a16db684ca..0000000000
--- a/keyboards/dm9records/ergoinu/serial_config.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#pragma once
-
-/* Soft Serial defines */
-#define SERIAL_PIN_DDR DDRD
-#define SERIAL_PIN_PORT PORTD
-#define SERIAL_PIN_INPUT PIND
-#define SERIAL_PIN_MASK _BV(PD2)
-#define SERIAL_PIN_INTERRUPT INT2_vect
-
-#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
-#define SERIAL_MASTER_BUFFER_LENGTH MATRIX_ROWS/2
diff --git a/keyboards/dm9records/ergoinu/split_util.c b/keyboards/dm9records/ergoinu/split_util.c
deleted file mode 100644
index 0cbc2c69c4..0000000000
--- a/keyboards/dm9records/ergoinu/split_util.c
+++ /dev/null
@@ -1,56 +0,0 @@
-#include <avr/io.h>
-#include <avr/wdt.h>
-#include <avr/power.h>
-#include <avr/interrupt.h>
-#include <util/delay.h>
-#include <avr/eeprom.h>
-#include "split_util.h"
-#include "matrix.h"
-#include "keyboard.h"
-
-#include "serial.h"
-
-volatile bool isLeftHand = true;
-
-static void setup_handedness(void) {
-  #ifdef EE_HANDS
-    isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
-  #else
-    // I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c
-    #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)
-      isLeftHand = !has_usb();
-    #else
-      isLeftHand = has_usb();
-    #endif
-  #endif
-}
-
-static void keyboard_master_setup(void) {
-  serial_master_init();
-}
-
-static void keyboard_slave_setup(void) {
-  serial_slave_init();
-}
-
-bool has_usb(void) {
-   USBCON |= (1 << OTGPADE); //enables VBUS pad
-   _delay_us(5);
-   return (USBSTA & (1<<VBUS));  //checks state of VBUS
-}
-
-void split_keyboard_setup(void) {
-   setup_handedness();
-
-   if (has_usb()) {
-      keyboard_master_setup();
-   } else {
-      keyboard_slave_setup();
-   }
-   sei();
-}
-
-// this code runs before the usb and keyboard is initialized
-void matrix_setup(void) {
-    split_keyboard_setup();
-}
diff --git a/keyboards/dm9records/ergoinu/split_util.h b/keyboards/dm9records/ergoinu/split_util.h
deleted file mode 100644
index 11cfd5455a..0000000000
--- a/keyboards/dm9records/ergoinu/split_util.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#pragma once
-
-#include <stdbool.h>
-#include "eeconfig.h"
-
-extern volatile bool isLeftHand;
-
-// slave version of matix scan, defined in matrix.c
-void matrix_slave_scan(void);
-
-void split_keyboard_setup(void);
-bool has_usb(void);