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-rw-r--r--keyboards/ergoinu/config.h116
-rw-r--r--keyboards/ergoinu/ergoinu.c5
-rw-r--r--keyboards/ergoinu/ergoinu.h44
-rw-r--r--keyboards/ergoinu/info.json20
-rw-r--r--keyboards/ergoinu/keymaps/default/config.h24
-rw-r--r--keyboards/ergoinu/keymaps/default/keymap.c101
-rw-r--r--keyboards/ergoinu/keymaps/default/rules.mk29
-rw-r--r--keyboards/ergoinu/keymaps/default_jis/config.h24
-rw-r--r--keyboards/ergoinu/keymaps/default_jis/keymap.c101
-rw-r--r--keyboards/ergoinu/keymaps/default_jis/rules.mk29
-rw-r--r--keyboards/ergoinu/matrix.c303
-rw-r--r--keyboards/ergoinu/readme.md21
-rw-r--r--keyboards/ergoinu/rules.mk84
-rw-r--r--keyboards/ergoinu/serial.c295
-rw-r--r--keyboards/ergoinu/serial.h24
-rw-r--r--keyboards/ergoinu/serial_config.h11
-rw-r--r--keyboards/ergoinu/split_util.c56
-rw-r--r--keyboards/ergoinu/split_util.h12
18 files changed, 1299 insertions, 0 deletions
diff --git a/keyboards/ergoinu/config.h b/keyboards/ergoinu/config.h
new file mode 100644
index 0000000000..4b7c584005
--- /dev/null
+++ b/keyboards/ergoinu/config.h
@@ -0,0 +1,116 @@
+/*
+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
+
+#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! */
+#define VENDOR_ID 0x04D8
+#define PRODUCT_ID 0xEE60
+#define DEVICE_VER 0x0001
+#define MANUFACTURER Dm9Records
+#define PRODUCT ergoinu
+#define DESCRIPTION An (Not Portable But Small) Ergonomic split keyboard
+
+
+#define PREVENT_STUCK_MODIFIERS
+#define TAPPING_FORCE_HOLD
+#define TAPPING_TERM 100
+
+#define USE_SERIAL
+
+/* Select hand configuration */
+#define MASTER_LEFT
+// #define MASTER_RIGHT
+// #define EE_HANDS
+
+/* key matrix size */
+// Rows are doubled-up
+#define MATRIX_ROWS 10
+#define MATRIX_ROW_PINS { F6, F7, B1, B3, B2 }
+
+// wiring of each half
+#define MATRIX_COLS 7
+#define MATRIX_COL_PINS { B4, E6, D7, C6, D4, F5, F4 }
+
+/* define if matrix has ghost */
+//#define MATRIX_HAS_GHOST
+
+/* number of backlight levels */
+// #define BACKLIGHT_LEVELS 3
+
+/* Set 0 if debouncing isn't needed */
+#define DEBOUNCING_DELAY 5
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+//#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+//#define LOCKING_RESYNC_ENABLE
+
+/* key combination for command */
+#define IS_COMMAND() ( \
+ keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
+)
+
+/* ws2812 RGB LED */
+#define RGB_DI_PIN B6
+
+#define RGBLED_NUM 7
+
+#ifndef IOS_DEVICE_ENABLE
+ #if RGBLED_NUM <= 7
+ #define RGBLIGHT_LIMIT_VAL 255
+ #define RGBLIGHT_VAL_STEP 17
+ #endif
+#else
+ #define RGBLIGHT_LIMIT_VAL 90
+ #define RGBLIGHT_VAL_STEP 4
+#endif
+
+#define RGBLIGHT_HUE_STEP 10
+#define RGBLIGHT_SAT_STEP 17
+
+#if defined(RGBLIGHT_ENABLE) && !defined(IOS_DEVICE_ENABLE)
+ #define USB_MAX_POWER_CONSUMPTION 500
+#else
+ // fix iPhone and iPad power adapter issue
+ // iOS device need lessthan 100
+ #define USB_MAX_POWER_CONSUMPTION 100
+#endif
+
+/*
+ * Feature disable options
+ * These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+// #define NO_DEBUG
+
+/* disable print */
+// #define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+//#define NO_ACTION_MACRO
+//#define NO_ACTION_FUNCTION
diff --git a/keyboards/ergoinu/ergoinu.c b/keyboards/ergoinu/ergoinu.c
new file mode 100644
index 0000000000..b43ab17c8b
--- /dev/null
+++ b/keyboards/ergoinu/ergoinu.c
@@ -0,0 +1,5 @@
+#include "ergoinu.h"
+
+void matrix_init_kb(void) {
+ matrix_init_user();
+};
diff --git a/keyboards/ergoinu/ergoinu.h b/keyboards/ergoinu/ergoinu.h
new file mode 100644
index 0000000000..43249a8440
--- /dev/null
+++ b/keyboards/ergoinu/ergoinu.h
@@ -0,0 +1,44 @@
+/*
+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
+
+#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, \
+ L14, L15, L16, L17, L18, L19, R14, R15, R16, R17, R18, R19, R20, \
+ L20, L21, L22, L23, L24, L25, R21, R22, R23, R24, R25, R26, R27,\
+ L26, L27, L28, L29, L30, R28, R29, R30, R31, R32 \
+ ) { \
+ { L00, L01, L02, L03, L04, L05, L06 }, \
+ { L07, L08, L09, L10, L11, L12, L13 }, \
+ { L14, KC_NO, L15, L16, L17, L18, L19 }, \
+ { L20, KC_NO, L21, L22, L23, L24, L25 }, \
+ { KC_NO, KC_NO, L26, L27, L28, L29, L30}, \
+ { R06, R05, R04, R03, R02, R01, R00 }, \
+ { R13, R12, R11, R10, R09, R08, R07 }, \
+ { R20, R19, R18, R17, R16, R15, R14 }, \
+ { R27, R26, R25, R24, R23, R22, R21 }, \
+ { KC_NO, KC_NO, R32, R31, R30, R29, R28 } \
+ }
+
diff --git a/keyboards/ergoinu/info.json b/keyboards/ergoinu/info.json
new file mode 100644
index 0000000000..f85447913c
--- /dev/null
+++ b/keyboards/ergoinu/info.json
@@ -0,0 +1,20 @@
+{
+ "keyboard_name": "Ergoinu",
+ "url": "",
+ "maintainer": "hsgw",
+ "width": 17,
+ "height": 6.75,
+ "layouts": {
+ "LAYOUT": {
+ "key_count": 64,
+ "layout": [
+ {"x": 0, "y": 0.6}, {"x": 1, "y": 0.4}, {"x": 2, "y": 0.4}, {"x": 3, "y": 0.25}, {"x": 4, "y": 0}, {"x": 5, "y": 0.25}, {"x": 6, "y": 0.4}, {"x": 10, "y": 0.4}, {"x": 11, "y": 0.25}, {"x": 12, "y": 0}, {"x": 13, "y": 0.25}, {"x": 14, "y": 0.4}, {"x": 15, "y": 0.4}, {"x": 16, "y": 0.6},
+ {"x": 0, "y": 1.6}, {"x": 1, "y": 1.4}, {"x": 2, "y": 1.4}, {"x": 3, "y": 1.25}, {"x": 4, "y": 1}, {"x": 5, "y": 1.25}, {"x": 6, "y": 1.4}, {"x": 10, "y": 1.4}, {"x": 11, "y": 1.25}, {"x": 12, "y": 1}, {"x": 13, "y": 1.25}, {"x": 14, "y": 1.4}, {"x": 15, "y": 1.4}, {"x": 16, "y": 1.6},
+ {"x": 0.25, "y": 2.6, "W":1.75}, {"x": 2, "y": 2.4}, {"x": 3, "y": 2.25}, {"x": 4, "y": 2}, {"x": 5, "y": 2.25}, {"x": 6, "y": 2.4}, {"x": 10, "y": 2.4}, {"x": 11, "y": 2.25}, {"x": 12, "y": 2}, {"x": 13, "y": 2.25}, {"x": 14, "y": 2.4}, {"x": 15, "y": 2.4}, {"x": 16, "y": 2.6},
+ {"x": 0.25, "y": 3.6, "W":1.75}, {"x": 2, "y": 3.4}, {"x": 3, "y": 3.25}, {"x": 4, "y": 3}, {"x": 5, "y": 3.25}, {"x": 6, "y": 3.4}, {"x": 10, "y": 3.4}, {"x": 11, "y": 3.25}, {"x": 12, "y": 3}, {"x": 13, "y": 3.25}, {"x": 14, "y": 3.4}, {"x": 15, "y": 3.4}, {"x": 16, "y": 3.6},
+ {"x": 3, "y": 4.25}, {"x": 4, "y": 4}, {"x": 5, "y": 4.25}, {"x": 6, "y": 4.4}, {"X":7.5, "Y":4.4, "H":1.25,"R":30, "RX":6, "RY":4.4},
+ {"X":8.25, "Y":4.4, "H":1.25,"R":-30, "RX":11, "RY":4.4}, {"x": 10, "y": 4.4}, {"x": 11, "y": 4.25}, {"x": 12, "y": 4}, {"x": 13, "y": 4.4}
+ ]
+ }
+ }
+}
diff --git a/keyboards/ergoinu/keymaps/default/config.h b/keyboards/ergoinu/keymaps/default/config.h
new file mode 100644
index 0000000000..bb266f25e7
--- /dev/null
+++ b/keyboards/ergoinu/keymaps/default/config.h
@@ -0,0 +1,24 @@
+/*
+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/ergoinu/keymaps/default/keymap.c b/keyboards/ergoinu/keymaps/default/keymap.c
new file mode 100644
index 0000000000..7f1be4796c
--- /dev/null
+++ b/keyboards/ergoinu/keymaps/default/keymap.c
@@ -0,0 +1,101 @@
+#include QMK_KEYBOARD_H
+
+#ifdef RGBLIGHT_ENABLE
+//Following line allows macro to read current RGB settings
+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,
+ CONF
+};
+
+enum CUSTOM_KEYCODES {
+ RGB_RST = SAFE_RANGE,
+ 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) \
+ ),
+
+ [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 \
+ )
+};
+
+bool enableLEDTypeAnime = false;
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ switch(keycode) {
+ case RGB_RST:
+ #ifdef RGBLIGHT_ENABLE
+ if (record->event.pressed) {
+ eeconfig_update_rgblight_default();
+ rgblight_enable();
+ }
+ #endif
+ break;
+ case RGB_MOD:
+ #ifdef RGBLIGHT_ENABLE
+ if (record->event.pressed) {
+ enableLEDTypeAnime = false;
+ rgblight_step();
+ }
+ #endif
+ return false;
+ case RGB_TYPE:
+ #ifdef RGBLIGHT_ENABLE
+ if (record->event.pressed) {
+ rgblight_enable_noeeprom();
+ rgblight_mode_noeeprom(1);
+ enableLEDTypeAnime = !enableLEDTypeAnime;
+ }
+ #endif
+ return false;
+ default:
+ break;
+ }
+ #ifdef RGBLIGHT_ENABLE
+ if(enableLEDTypeAnime) {
+ rgblight_mode_noeeprom(1);
+ uint16_t hue = (rgblight_config.hue + 5) % 360;
+ rgblight_sethsv_noeeprom(hue, rgblight_config.sat, rgblight_config.val);
+ }
+ #endif
+
+ return true;
+}
+
+void matrix_init_user(void) {
+}
diff --git a/keyboards/ergoinu/keymaps/default/rules.mk b/keyboards/ergoinu/keymaps/default/rules.mk
new file mode 100644
index 0000000000..7d7a475d17
--- /dev/null
+++ b/keyboards/ergoinu/keymaps/default/rules.mk
@@ -0,0 +1,29 @@
+
+# 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 # Virtual DIP switch configuration(+1000)
+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
+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 = yes # Enable WS2812 RGB underlight. Do not enable this with audio at the same time.
+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/ergoinu/keymaps/default_jis/config.h b/keyboards/ergoinu/keymaps/default_jis/config.h
new file mode 100644
index 0000000000..bb266f25e7
--- /dev/null
+++ b/keyboards/ergoinu/keymaps/default_jis/config.h
@@ -0,0 +1,24 @@
+/*
+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/ergoinu/keymaps/default_jis/keymap.c b/keyboards/ergoinu/keymaps/default_jis/keymap.c
new file mode 100644
index 0000000000..3a1a88f47c
--- /dev/null
+++ b/keyboards/ergoinu/keymaps/default_jis/keymap.c
@@ -0,0 +1,101 @@
+#include QMK_KEYBOARD_H
+
+#ifdef RGBLIGHT_ENABLE
+//Following line allows macro to read current RGB settings
+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,
+ CONF
+};
+
+enum CUSTOM_KEYCODES {
+ RGB_RST = SAFE_RANGE,
+ 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) \
+ ),
+
+
+ [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 \
+ )
+};
+
+bool enableLEDTypeAnime = false;
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ switch(keycode) {
+ case RGB_RST:
+ #ifdef RGBLIGHT_ENABLE
+ if (record->event.pressed) {
+ eeconfig_update_rgblight_default();
+ rgblight_enable();
+ }
+ #endif
+ break;
+ case RGB_MOD:
+ #ifdef RGBLIGHT_ENABLE
+ if (record->event.pressed) {
+ enableLEDTypeAnime = false;
+ rgblight_step();
+ }
+ #endif
+ return false;
+ case RGB_TYPE:
+ #ifdef RGBLIGHT_ENABLE
+ if (record->event.pressed) {
+ rgblight_enable_noeeprom();
+ rgblight_mode_noeeprom(1);
+ enableLEDTypeAnime = !enableLEDTypeAnime;
+ }
+ #endif
+ return false;
+ default:
+ break;
+ }
+ #ifdef RGBLIGHT_ENABLE
+ if(enableLEDTypeAnime) {
+ rgblight_mode_noeeprom(1);
+ uint16_t hue = (rgblight_config.hue + 5) % 360;
+ rgblight_sethsv_noeeprom(hue, rgblight_config.sat, rgblight_config.val);
+ }
+ #endif
+ return true;
+}
+
+void matrix_init_user(void) {
+}
diff --git a/keyboards/ergoinu/keymaps/default_jis/rules.mk b/keyboards/ergoinu/keymaps/default_jis/rules.mk
new file mode 100644
index 0000000000..7d7a475d17
--- /dev/null
+++ b/keyboards/ergoinu/keymaps/default_jis/rules.mk
@@ -0,0 +1,29 @@
+
+# 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 # Virtual DIP switch configuration(+1000)
+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
+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 = yes # Enable WS2812 RGB underlight. Do not enable this with audio at the same time.
+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/ergoinu/matrix.c b/keyboards/ergoinu/matrix.c
new file mode 100644
index 0000000000..92c95e335e
--- /dev/null
+++ b/keyboards/ergoinu/matrix.c
@@ -0,0 +1,303 @@
+/*
+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 "serial.h"
+
+// from pro_micro.h
+#define TX_RX_LED_INIT DDRD |= (1<<5), DDRB |= (1<<0)
+
+#ifndef DISABLE_PROMICRO_LEDs
+ #define TXLED0 PORTD |= (1<<5)
+ #define TXLED1 PORTD &= ~(1<<5)
+ #define RXLED0 PORTB |= (1<<0)
+ #define RXLED1 PORTB &= ~(1<<0)
+#else
+ #define TXLED0
+ #define TXLED1
+ #define RXLED0
+ #define RXLED1
+#endif
+
+#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();
+
+ TX_RX_LED_INIT;
+
+ #ifdef DISABLE_PROMICRO_LEDs
+ PORTD |= (1<<5);
+ PORTB |= (1<<0);
+ #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 ) {
+ if(ret==2)RXLED1;
+ return 1;
+ }
+RXLED0;
+ 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();
+
+// if(serial_slave_DATA_CORRUPT()){
+// TXLED0;
+ int offset = (isLeftHand) ? ROWS_PER_HAND : 0;
+
+ for (int i = 0; i < ROWS_PER_HAND; ++i) {
+ matrix[offset+i] = serial_master_buffer[i];
+ }
+
+// }else{
+// TXLED1;
+// }
+
+ 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() ) {
+ // turn on the indicator led when halves are disconnected
+ TXLED1;
+
+ 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 {
+ // turn off the indicator led on no error
+ TXLED0;
+ 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];
+ }
+}
+
+bool matrix_is_modified(void)
+{
+ if (debouncing) return false;
+ return true;
+}
+
+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++) {
+ phex(row); print(": ");
+ pbin_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/ergoinu/readme.md b/keyboards/ergoinu/readme.md
new file mode 100644
index 0000000000..a0d1c18a24
--- /dev/null
+++ b/keyboards/ergoinu/readme.md
@@ -0,0 +1,21 @@
+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)
+
+Make example for this keyboard (after setting up your build environment):
+
+ make ergoinu:default
+
+ (or)
+
+ make ergoinu:default_jis
+
+
+See [build environment setup](https://docs.qmk.fm/build_environment_setup.html) then the [make instructions](https://docs.qmk.fm/make_instructions.html) for more information.
diff --git a/keyboards/ergoinu/rules.mk b/keyboards/ergoinu/rules.mk
new file mode 100644
index 0000000000..a00cc16de2
--- /dev/null
+++ b/keyboards/ergoinu/rules.mk
@@ -0,0 +1,84 @@
+SRC += matrix.c serial.c split_util.c
+
+# MCU name
+#MCU = at90usb1287
+MCU = atmega32u4
+
+# Processor frequency.
+# This will define a symbol, F_CPU, in all source code files equal to the
+# processor frequency in Hz. You can then use this symbol in your source code to
+# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
+# automatically to create a 32-bit value in your source code.
+#
+# This will be an integer division of F_USB below, as it is sourced by
+# F_USB after it has run through any CPU prescalers. Note that this value
+# does not *change* the processor frequency - it should merely be updated to
+# reflect the processor speed set externally so that the code can use accurate
+# software delays.
+F_CPU = 16000000
+
+#
+# LUFA specific
+#
+# Target architecture (see library "Board Types" documentation).
+ARCH = AVR8
+
+# Input clock frequency.
+# This will define a symbol, F_USB, in all source code files equal to the
+# input clock frequency (before any prescaling is performed) in Hz. This value may
+# differ from F_CPU if prescaling is used on the latter, and is required as the
+# raw input clock is fed directly to the PLL sections of the AVR for high speed
+# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
+# at the end, this will be done automatically to create a 32-bit value in your
+# source code.
+#
+# If no clock division is performed on the input clock inside the AVR (via the
+# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
+F_USB = $(F_CPU)
+
+# Bootloader
+# This definition is optional, and if your keyboard supports multiple bootloaders of
+# different sizes, comment this out, and the correct address will be loaded
+# automatically (+60). See bootloader.mk for all options.
+BOOTLOADER = caterina
+
+# Interrupt driven control endpoint task(+60)
+OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
+
+# Build Options
+# change to "no" to disable the options, or define them in the Makefile in
+# the appropriate keymap folder that will get included automatically
+#
+BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE = no # Mouse keys(+4700)
+EXTRAKEY_ENABLE = no # Audio control and System control(+450)
+CONSOLE_ENABLE = no # Console for debug(+400)
+COMMAND_ENABLE = no # Commands for debug and configuration
+NKRO_ENABLE = no # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
+MIDI_ENABLE = no # MIDI controls
+AUDIO_ENABLE = no # Audio output on port C6
+UNICODE_ENABLE = no # Unicode
+BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
+RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight. Do not enable this with audio at the same time.
+SUBPROJECT_rev1 = no
+USE_I2C = no # i2c is not supported
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
+
+CUSTOM_MATRIX = yes
+
+DEFAULT_FOLDER = ergoinu
+
+# ergoinu configs
+DISABLE_PROMICRO_LEDs = yes
+
+ifneq ($(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/ergoinu/serial.c b/keyboards/ergoinu/serial.c
new file mode 100644
index 0000000000..5919415877
--- /dev/null
+++ b/keyboards/ergoinu/serial.c
@@ -0,0 +1,295 @@
+/*
+ * 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/ergoinu/serial.h b/keyboards/ergoinu/serial.h
new file mode 100644
index 0000000000..67cf06ac6b
--- /dev/null
+++ b/keyboards/ergoinu/serial.h
@@ -0,0 +1,24 @@
+#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/ergoinu/serial_config.h b/keyboards/ergoinu/serial_config.h
new file mode 100644
index 0000000000..a16db684ca
--- /dev/null
+++ b/keyboards/ergoinu/serial_config.h
@@ -0,0 +1,11 @@
+#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/ergoinu/split_util.c b/keyboards/ergoinu/split_util.c
new file mode 100644
index 0000000000..0cbc2c69c4
--- /dev/null
+++ b/keyboards/ergoinu/split_util.c
@@ -0,0 +1,56 @@
+#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/ergoinu/split_util.h b/keyboards/ergoinu/split_util.h
new file mode 100644
index 0000000000..11cfd5455a
--- /dev/null
+++ b/keyboards/ergoinu/split_util.h
@@ -0,0 +1,12 @@
+#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);