diff --git a/keyboards/atreus50_rr/atreus50_rr.c b/keyboards/atreus50_rr/atreus50_rr.c
new file mode 100644
index 00000000000..2920057e810
--- /dev/null
+++ b/keyboards/atreus50_rr/atreus50_rr.c
@@ -0,0 +1,50 @@
+/* Copyright 2020 Takeshi Nishio
+ *
+ * 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 .
+ */
+
+#include "atreus50_rr.h"
+
+// Optional override functions below.
+// You can leave any or all of these undefined.
+// These are only required if you want to perform custom actions.
+
+/*
+void matrix_init_kb(void) {
+ // put your keyboard start-up code here
+ // runs once when the firmware starts up
+
+ matrix_init_user();
+}
+
+void matrix_scan_kb(void) {
+ // put your looping keyboard code here
+ // runs every cycle (a lot)
+
+ matrix_scan_user();
+}
+
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+ // put your per-action keyboard code here
+ // runs for every action, just before processing by the firmware
+
+ return process_record_user(keycode, record);
+}
+
+bool led_update_kb(led_t led_state) {
+ // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
+
+ return led_update_user(led_state);
+}
+*/
diff --git a/keyboards/atreus50_rr/atreus50_rr.h b/keyboards/atreus50_rr/atreus50_rr.h
new file mode 100644
index 00000000000..16321f27e6d
--- /dev/null
+++ b/keyboards/atreus50_rr/atreus50_rr.h
@@ -0,0 +1,44 @@
+/* Copyright 2020 Takeshi Nishio
+ *
+ * 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 .
+ */
+
+#pragma once
+
+#include "quantum.h"
+
+/* This is a shortcut to help you visually see your layout.
+ *
+ * The first section contains all of the arguments representing the physical
+ * layout of the board and position of the keys.
+ *
+ * The second converts the arguments into a two-dimensional array which
+ * represents the switch matrix.
+ */
+#define LAYOUT( \
+ k18, k28, k38, k48, k58, k68, k14, k24, k34, k54, k64, k74, \
+ k81, k21, k31, k41, k51, k61, k15, k25, k35, k45, k65, k75, \
+ k82, k12, k32, k42, k52, k62, k16, k26, k36, k46, k56, k76, \
+ k83, k13, k23, k43, k53, k63, k73, k87, k17, k27, k37, k47, k57, k67 \
+ ) \
+ { \
+ { KC_NO, k21, k31, k41, k51, k61, KC_NO, k81 }, \
+ { k12, KC_NO, k32, k42, k52, k62, KC_NO, k82 }, \
+ { k13, k23, KC_NO, k43, k53, k63, k73, k83 }, \
+ { k14, k24, k34, KC_NO, k54, k64, k74, KC_NO }, \
+ { k15, k25, k35, k45, KC_NO, k65, k75, KC_NO }, \
+ { k16, k26, k36, k46, k56, KC_NO, k76, KC_NO }, \
+ { k17, k27, k37, k47, k57, k67, KC_NO, k87 }, \
+ { k18, k28, k38, k48, k58, k68, KC_NO, KC_NO } \
+ }
diff --git a/keyboards/atreus50_rr/config.h b/keyboards/atreus50_rr/config.h
new file mode 100644
index 00000000000..59f562a1ed3
--- /dev/null
+++ b/keyboards/atreus50_rr/config.h
@@ -0,0 +1,258 @@
+/*
+Copyright 2019 e3w2q
+
+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 .
+*/
+
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID 0xFEED
+#define PRODUCT_ID 0x0000
+#define DEVICE_VER 0x0001
+#define MANUFACTURER jpskenn
+#define PRODUCT atreus50_rr
+#define DESCRIPTION A custom keyboard
+
+/* key matrix size */
+// 2乗マトリクスで8ピンを使用し、8*7=56キーまで認識可能とする。
+#define MATRIX_ROWS 8
+#define MATRIX_COLS 8
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * Change this to how you wired your keyboard
+ * COLS: AVR pins used for columns, left to right
+ * ROWS: AVR pins used for rows, top to bottom
+ * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
+ * ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
+ *
+ */
+// 同一のピンを行と列に使用する
+#define MATRIX_ROW_PINS { F4, F5, F6, F7, B1, B3, B2, B6 } // 各行に割り当てるピン番号
+#define MATRIX_COL_PINS { F4, F5, F6, F7, B1, B3, B2, B6 } // 各列に割り当てるピン番号
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL*/
+// #define DIODE_DIRECTION CUSTOM_MATRIX // COL（列）のピンからROW（行）のピンに電流が流れるようにダイオードを付けた場合はCOL2ROW、逆向きの場合はROW2COL、独自にマトリクススキャンを行う場合はCUSTOM_MATRIX
+// #define DIODE_DIRECTION CUSTOM_MATRIX
+// #define COL2COL 101
+// #define DIODE_DIRECTION COL2COL
+
+/*
+ * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
+ */
+#define SOFT_SERIAL_PIN D2 // 右手側と左手側のシリアル通信用のピン番号
+
+// #define BACKLIGHT_PIN B7
+// #define BACKLIGHT_BREATHING
+// #define BACKLIGHT_LEVELS 3
+
+#define RGB_DI_PIN D3 // LEDテープ用のピン番号
+#ifdef RGB_DI_PIN
+ #define RGBLIGHT_SPLIT { 3, 3 } // LEDテープの左手側と右手側のLEDの数
+ #define RGBLED_NUM 6 // LEDテープのLEDの計
+ #define RGBLIGHT_HUE_STEP 8
+ #define RGBLIGHT_SAT_STEP 8
+ #define RGBLIGHT_VAL_STEP 8
+// #define RGBLIGHT_LIMIT_VAL 255 /* The maximum brightness level */
+ #define RGBLIGHT_SLEEP /* If defined, the RGB lighting will be switched off when the host goes to sleep */
+// /*== all animations enable ==*/
+// #define RGBLIGHT_ANIMATIONS
+// /*== or choose animations ==*/
+ #define RGBLIGHT_EFFECT_BREATHING
+ #define RGBLIGHT_EFFECT_RAINBOW_MOOD
+ #define RGBLIGHT_EFFECT_RAINBOW_SWIRL
+ #define RGBLIGHT_EFFECT_SNAKE
+ #define RGBLIGHT_EFFECT_KNIGHT
+// #define RGBLIGHT_EFFECT_CHRISTMAS
+ #define RGBLIGHT_EFFECT_STATIC_GRADIENT
+// #define RGBLIGHT_EFFECT_RGB_TEST
+// #define RGBLIGHT_EFFECT_ALTERNATING
+// /*== customize breathing effect ==*/
+// /*==== (DEFAULT) use fixed table instead of exp() and sin() ====*/
+// #define RGBLIGHT_BREATHE_TABLE_SIZE 256 // 256(default) or 128 or 64
+// /*==== use exp() and sin() ====*/
+// #define RGBLIGHT_EFFECT_BREATHE_CENTER 1.85 // 1 to 2.7
+// #define RGBLIGHT_EFFECT_BREATHE_MAX 255 // 0 to 255
+#endif
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* define if matrix has ghost (lacks anti-ghosting diodes) */
+//#define MATRIX_HAS_GHOST
+
+/* 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
+
+/* If defined, GRAVE_ESC will always act as ESC when CTRL is held.
+ * This is userful for the Windows task manager shortcut (ctrl+shift+esc).
+ */
+// #define GRAVE_ESC_CTRL_OVERRIDE
+
+/*
+ * Force NKRO
+ *
+ * Force NKRO (nKey Rollover) to be enabled by default, regardless of the saved
+ * state in the bootmagic EEPROM settings. (Note that NKRO must be enabled in the
+ * makefile for this to work.)
+ *
+ * If forced on, NKRO can be disabled via magic key (default = LShift+RShift+N)
+ * until the next keyboard reset.
+ *
+ * NKRO may prevent your keystrokes from being detected in the BIOS, but it is
+ * fully operational during normal computer usage.
+ *
+ * For a less heavy-handed approach, enable NKRO via magic key (LShift+RShift+N)
+ * or via bootmagic (hold SPACE+N while plugging in the keyboard). Once set by
+ * bootmagic, NKRO mode will always be enabled until it is toggled again during a
+ * power-up.
+ *
+ */
+//#define FORCE_NKRO
+
+/*
+ * Magic Key Options
+ *
+ * Magic keys are hotkey commands that allow control over firmware functions of
+ * the keyboard. They are best used in combination with the HID Listen program,
+ * found here: https://www.pjrc.com/teensy/hid_listen.html
+ *
+ * The options below allow the magic key functionality to be changed. This is
+ * useful if your keyboard/keypad is missing keys and you want magic key support.
+ *
+ */
+
+/* key combination for magic key command */
+/* defined by default; to change, uncomment and set to the combination you want */
+// #define IS_COMMAND() (get_mods() == MOD_MASK_SHIFT)
+
+/* control how magic key switches layers */
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS true
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS true
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM false
+
+/* override magic key keymap */
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM
+//#define MAGIC_KEY_HELP H
+//#define MAGIC_KEY_HELP_ALT SLASH
+//#define MAGIC_KEY_DEBUG D
+//#define MAGIC_KEY_DEBUG_MATRIX X
+//#define MAGIC_KEY_DEBUG_KBD K
+//#define MAGIC_KEY_DEBUG_MOUSE M
+//#define MAGIC_KEY_VERSION V
+//#define MAGIC_KEY_STATUS S
+//#define MAGIC_KEY_CONSOLE C
+//#define MAGIC_KEY_LAYER0 0
+//#define MAGIC_KEY_LAYER0_ALT GRAVE
+//#define MAGIC_KEY_LAYER1 1
+//#define MAGIC_KEY_LAYER2 2
+//#define MAGIC_KEY_LAYER3 3
+//#define MAGIC_KEY_LAYER4 4
+//#define MAGIC_KEY_LAYER5 5
+//#define MAGIC_KEY_LAYER6 6
+//#define MAGIC_KEY_LAYER7 7
+//#define MAGIC_KEY_LAYER8 8
+//#define MAGIC_KEY_LAYER9 9
+//#define MAGIC_KEY_BOOTLOADER B
+//#define MAGIC_KEY_BOOTLOADER_ALT ESC
+//#define MAGIC_KEY_LOCK CAPS
+//#define MAGIC_KEY_EEPROM E
+//#define MAGIC_KEY_EEPROM_CLEAR BSPACE
+//#define MAGIC_KEY_NKRO N
+//#define MAGIC_KEY_SLEEP_LED Z
+
+/*
+ * 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
+
+/* disable these deprecated features by default */
+// #ifndef LINK_TIME_OPTIMIZATION_ENABLE
+// #define NO_ACTION_MACRO
+// #define NO_ACTION_FUNCTION
+// #endif
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+ - MIDI notes can be sent when in Music mode is on
+*/
+//#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+ - MIDI notes can be added to the keymap
+ - Octave shift and transpose
+ - Virtual sustain, portamento, and modulation wheel
+ - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 1
+
+/*
+ * HD44780 LCD Display Configuration
+ */
+/*
+#define LCD_LINES 2 //< number of visible lines of the display
+#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
+
+#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
+
+#if LCD_IO_MODE
+#define LCD_PORT PORTB //< port for the LCD lines
+#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
+#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
+#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
+#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
+#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
+#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
+#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
+#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
+#define LCD_RS_PORT LCD_PORT //< port for RS line
+#define LCD_RS_PIN 3 //< pin for RS line
+#define LCD_RW_PORT LCD_PORT //< port for RW line
+#define LCD_RW_PIN 2 //< pin for RW line
+#define LCD_E_PORT LCD_PORT //< port for Enable line
+#define LCD_E_PIN 1 //< pin for Enable line
+#endif
+*/
+
+/* Bootmagic Lite key configuration */
+// #define BOOTMAGIC_LITE_ROW 0
+// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/atreus50_rr/info.json b/keyboards/atreus50_rr/info.json
new file mode 100644
index 00000000000..5c044a2a858
--- /dev/null
+++ b/keyboards/atreus50_rr/info.json
@@ -0,0 +1,18 @@
+{
+ "keyboard_name": "atreus50_rr",
+ "url": "",
+ "maintainer": "Takeshi Nishio",
+ "width": 3,
+ "height": 2,
+ "layouts": {
+ "LAYOUT": {
+ "layout": [
+ {"label":"k00", "x":0, "y":0},
+ {"label":"k01", "x":1, "y":0},
+ {"label":"k02", "x":2, "y":0},
+ {"label":"k10", "x":0, "y":1, "w":1.5},
+ {"label":"k12", "x":1.5, "y":1, "w":1.5}
+ ]
+ }
+ }
+}
diff --git a/keyboards/atreus50_rr/keymaps/default/config.h b/keyboards/atreus50_rr/keymaps/default/config.h
new file mode 100644
index 00000000000..b4139651f5f
--- /dev/null
+++ b/keyboards/atreus50_rr/keymaps/default/config.h
@@ -0,0 +1,19 @@
+/* Copyright 2020 Takeshi Nishio
+ *
+ * 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 .
+ */
+
+#pragma once
+
+// place overrides here
diff --git a/keyboards/atreus50_rr/keymaps/default/keymap.c b/keyboards/atreus50_rr/keymaps/default/keymap.c
new file mode 100644
index 00000000000..db76e017a59
--- /dev/null
+++ b/keyboards/atreus50_rr/keymaps/default/keymap.c
@@ -0,0 +1,206 @@
+// this is the style you want to emulate.
+// This is the canonical layout file for the Quantum project. If you want to add another keyboard,
+
+#include QMK_KEYBOARD_H
+
+// Each layer gets a name for readability, which is then used in the keymap matrix below.
+// The underscores don't mean anything - you can have a layer called STUFF or any other name.
+// Layer names don't all need to be of the same length, obviously, and you can also skip them
+// entirely and just use numbers.
+#define _QWERTY 0
+#define _LOWER 1
+#define _RAISE 2
+#define _ADJUST 10
+
+enum custom_keycodes {
+ QWERTY = SAFE_RANGE,
+ LOWER,
+ RAISE,
+ ADJUST,
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [_QWERTY] = LAYOUT( /* Qwerty */
+ KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_MINS,
+ KC_LCTL, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_ENT,
+ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_UP, SFT_T(KC_SLSH),
+ KC_MUTE, KC_VOLD, KC_VOLU, KC_LALT, KC_LGUI, KC_SPC, LOWER, RAISE, KC_BSPC, KC_LGUI, KC_LALT, KC_LEFT, KC_DOWN, KC_RGHT
+ ),
+
+ /*
+ * ! @ # $ % || ^ & * ( )
+ * del left down right pgdn || down F4 F5 F6 F11
+ * volup reset || F1 F2 F3 F12
+ * voldn super shift space bspc|| alt ent L0 prtsc scroll pause
+ */
+ [_LOWER] = LAYOUT( /* [> LOWER <] */
+ KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_EQL,
+ KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_HOME,KC_PGDN,KC_PGUP,KC_END, KC_BSLS,KC_QUOT,
+ KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, _______,_______,KC_LBRC,KC_RBRC,KC_PGUP,_______,
+ KC_MRWD,KC_MPLY,KC_MFFD,_______,_______,_______,_______, _______,_______,_______,_______,KC_HOME,KC_PGDN,KC_END
+ ),
+
+ /*
+ * 1 2 3 4 5 || 6 7 8 9 0
+ * # left down right $ || pgdn 4 5 6 +
+ * [ ] ( ) & || ` 1 2 3 \
+ * lower insert super shift space bksp|| alt Ent fn . 0 =
+ */
+ [_RAISE] = LAYOUT( /* [> RAISE <] */
+ KC_TILD,KC_EXLM,KC_AT, KC_HASH,KC_DLR,KC_PERC, KC_CIRC,KC_AMPR,KC_ASTR,KC_LPRN,KC_RPRN,KC_PLUS,
+ _______,_______,_______,KC_DEL, KC_RGHT,KC_ESC, KC_LEFT,KC_DOWN,KC_UP, KC_RGHT,KC_PIPE,KC_DQUO,
+ _______,_______,_______,_______,_______,KC_LEFT, _______,_______,KC_LCBR,KC_RCBR,_______,_______,
+ KC_MRWD,KC_MPLY,KC_MFFD,_______,_______,_______,_______, _______,_______,_______,_______,_______,_______,_______
+ ),
+
+ /*
+ * ! @ # $ % || ^ & * ( )
+ * del left down right pgdn || down F4 F5 F6 F11
+ * volup reset || F1 F2 F3 F12
+ * voldn super shift space bspc|| alt ent L0 prtsc scroll pause
+ */
+ [_ADJUST] = LAYOUT( /* [> ADJUST <] */
+ _______,_______,_______,_______,RESET, _______, _______,_______,_______,_______,_______,_______,
+ _______,_______,_______,_______,_______,_______, _______,_______,_______,_______,_______,_______,
+ _______,_______,_______,_______,_______,_______, _______,_______,_______,_______,_______,_______,
+ _______,_______,_______,_______,_______,_______,_______, _______,_______,_______,_______,_______,_______,_______
+ )
+
+};
+
+const uint16_t PROGMEM fn_actions[] = {
+
+};
+
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) {
+ // MACRODOWN only works in this function
+ switch(id) {
+ case 0:
+ if (record->event.pressed) {
+ register_code(KC_RSFT);
+ } else {
+ unregister_code(KC_RSFT);
+ }
+ break;
+ }
+ return MACRO_NONE;
+};
+
+// レイヤーキーを変換・無変換キーと共用する際に動作を改善する。
+static bool lower_pressed = false;
+static uint16_t lower_pressed_time = 0;
+static bool raise_pressed = false;
+static uint16_t raise_pressed_time = 0;
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ switch (keycode) {
+ case LOWER:
+ if (record->event.pressed) {
+ lower_pressed = true;
+ lower_pressed_time = record->event.time;
+
+ layer_on(_LOWER);
+ update_tri_layer(_LOWER, _RAISE, _ADJUST);
+ } else {
+ layer_off(_LOWER);
+ update_tri_layer(_LOWER, _RAISE, _ADJUST);
+
+ /*
+ 長押し時に入力キャンセルする場合はこれ
+ if (lower_pressed && (TIMER_DIFF_16(record->event.time, lower_pressed_time) < TAPPING_TERM)) {
+ */
+ if (lower_pressed) {
+ register_code(KC_LANG2); // for macOS
+ register_code(KC_MHEN);
+ unregister_code(KC_MHEN);
+ unregister_code(KC_LANG2);
+ }
+ lower_pressed = false;
+ }
+ return false;
+ break;
+ case RAISE:
+ if (record->event.pressed) {
+ raise_pressed = true;
+ raise_pressed_time = record->event.time;
+
+ layer_on(_RAISE);
+ update_tri_layer(_LOWER, _RAISE, _ADJUST);
+ } else {
+ layer_off(_RAISE);
+ update_tri_layer(_LOWER, _RAISE, _ADJUST);
+
+ /*
+ 長押し時に入力キャンセルする場合はこれ
+ if (raise_pressed && (TIMER_DIFF_16(record->event.time, raise_pressed_time) < TAPPING_TERM)) {
+ */
+ if (raise_pressed) {
+ register_code(KC_LANG1); // for macOS
+ register_code(KC_HENK);
+ unregister_code(KC_HENK);
+ unregister_code(KC_LANG1);
+ }
+ raise_pressed = false;
+ }
+ return false;
+ break;
+ case ADJUST:
+ if (record->event.pressed) {
+ layer_on(_ADJUST);
+ } else {
+ layer_off(_ADJUST);
+ }
+ return false;
+ break;
+ default:
+ if (record->event.pressed) {
+ // reset the flags
+ lower_pressed = false;
+ raise_pressed = false;
+ }
+ break;
+ }
+ return true;
+}
+/*
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ switch (keycode) {
+ case QWERTY:
+ if (record->event.pressed) {
+ print("mode just switched to qwerty and this is a huge string\n");
+ set_single_persistent_default_layer(_QWERTY);
+ }
+ return false;
+ break;
+ case LOWER:
+ if (record->event.pressed) {
+ layer_on(_LOWER);
+ update_tri_layer(_LOWER, _RAISE, _ADJUST);
+ } else {
+ layer_off(_LOWER);
+ update_tri_layer(_LOWER, _RAISE, _ADJUST);
+ }
+ return false;
+ break;
+ case RAISE:
+ if (record->event.pressed) {
+ layer_on(_RAISE);
+ update_tri_layer(_LOWER, _RAISE, _ADJUST);
+ } else {
+ layer_off(_RAISE);
+ update_tri_layer(_LOWER, _RAISE, _ADJUST);
+ }
+ return false;
+ break;
+ case ADJUST:
+ if (record->event.pressed) {
+ layer_on(_ADJUST);
+ } else {
+ layer_off(_ADJUST);
+ }
+ return false;
+ break;
+ }
+ return true;
+}
+*/
diff --git a/keyboards/atreus50_rr/keymaps/default/readme.md b/keyboards/atreus50_rr/keymaps/default/readme.md
new file mode 100644
index 00000000000..06c97cd949c
--- /dev/null
+++ b/keyboards/atreus50_rr/keymaps/default/readme.md
@@ -0,0 +1 @@
+# The default keymap for atreus50_rr
diff --git a/keyboards/atreus50_rr/matrix.c b/keyboards/atreus50_rr/matrix.c
new file mode 100644
index 00000000000..0de499f28e0
--- /dev/null
+++ b/keyboards/atreus50_rr/matrix.c
@@ -0,0 +1,236 @@
+/*
+Copyright 2012-2018 Jun Wako, Jack Humbert, Yiancar
+
+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 .
+*/
+#include
+#include
+#include "util.h"
+#include "matrix.h"
+#include "debounce.h"
+#include "quantum.h"
+#include "wait.h"
+#include "print.h"
+#include "debug.h"
+
+#if (MATRIX_COLS <= 8)
+# define print_matrix_header() print("\nr/c 01234567\n")
+# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))
+# define matrix_bitpop(i) bitpop(matrix[i])
+# define ROW_SHIFTER ((uint8_t)1)
+#elif (MATRIX_COLS <= 16)
+# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n")
+# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row))
+# define matrix_bitpop(i) bitpop16(matrix[i])
+# define ROW_SHIFTER ((uint16_t)1)
+#elif (MATRIX_COLS <= 32)
+# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
+# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row))
+# define matrix_bitpop(i) bitpop32(matrix[i])
+# define ROW_SHIFTER ((uint32_t)1)
+#endif
+
+#ifdef MATRIX_MASKED
+ extern const matrix_row_t matrix_mask[];
+#endif
+
+static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
+static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
+
+/* matrix state(1:on, 0:off) */
+static matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
+static matrix_row_t matrix[MATRIX_ROWS]; // debounced values
+
+// user functions?
+__attribute__ ((weak))
+void matrix_init_quantum(void) {
+ matrix_init_kb();
+}
+
+__attribute__ ((weak))
+void matrix_scan_quantum(void) {
+ matrix_scan_kb();
+}
+
+__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;
+}
+
+//Deprecated.
+bool matrix_is_modified(void)
+{
+ if (debounce_active()) return false;
+ return true;
+}
+
+inline
+bool matrix_is_on(uint8_t row, uint8_t col)
+{
+ return (matrix[row] & ((matrix_row_t)1<