[Keyboard] Add uzu42 keyboard (#6842)

* initial commit

* OLEDに表示するロゴをuzuのものに差し替えた

* delete undefault keymaps

* delete info.json

* delete pro_micro.h

* remove USE_Link_Time_Optimization check

* Moved constant defined for each keymap.c to rev1.h

* update layer_state_reader.c

* Rename Uzu42 to uzu42

* remove bootloader.h include

* LAYOUT_kc to LAYOUT

* delete keymap level rules.mk

* update readme.md

* remove persistent_default_layer_set function.

* try refactor to use split_common and use OLED driver

* Revert "try refactor to use split_common and use OLED driver"

This reverts commit 5a9afceacb450ca9eca8a146b64c24d0e0925dd8.

* Update keyboards/uzu42/rev1/config.h

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update keyboards/uzu42/rev1/rev1.h

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update keyboards/uzu42/rev1/rev1.h

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update keyboards/uzu42/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Remove lines already defined in QMK

* Update keyboards/uzu42/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update keyboards/uzu42/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Update keyboards/uzu42/rules.mk

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* replaced comment block

* Update keyboards/uzu42/config.h

Co-Authored-By: Drashna Jaelre <drashna@live.com>

* Revert "Revert "try refactor to use split_common and use OLED driver""

This reverts commit a7849216f49a411558d4cfdcfbf3e202defe892a.

* fix setting for RGBLED

* The default of OLED_DRIVER_ENABLE has been changed to no.

* Delete unuse block.

* Remove unnecessary keycode definitions.

* Remove unuse custom keycode.

* Remove not needed code.

* Remove not called code.

* Remove code overwritten by the core.

* Remove LAYOUT_kc macro.

* Moved the definition of the layer block to keymap.c.

* Removed unuse variable.

* Remove code overwritten by the core too.

* incorporate layer changes

* Moved src rule to keymap from rev1.

* Removed rgb_state_reader.c from lib folder and the code move to the keymap.c

* Removed layer_state_reader.c from lib folder and the code move to the keymap.c

* Removed logo_reader.c from lib folder and the code move to the keymap.c

* Removed keylogger.c from lib folder and the code move to the keymap.c

* Moved glcdfont_uzu42.c from lib folder to the default keymaps folder.

* Removed unused files.

14 files changed, 820 insertions, 0 deletions

diff --git a/keyboards/uzu42/config.h b/keyboards/uzu42/config.h
new file mode 100644
index 0000000000..45f497d782
--- /dev/null
+++ b/keyboards/uzu42/config.h
@@ -0,0 +1,29 @@
+/*
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+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"
+
+#ifndef SOFT_SERIAL_PIN
+#define SOFT_SERIAL_PIN D2
+#define SERIAL_USE_MULTI_TRANSACTION
+#endif
+
+#define NO_ACTION_MACRO
+#define NO_ACTION_FUNCTION
diff --git a/keyboards/uzu42/keymaps/default/config.h b/keyboards/uzu42/keymaps/default/config.h
new file mode 100644
index 0000000000..bc7897f501
--- /dev/null
+++ b/keyboards/uzu42/keymaps/default/config.h
@@ -0,0 +1,47 @@
+/*
+This is the c configuration file for the keymap
+
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+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 USE_MATRIX_I2C
+
+/* Select hand configuration */
+
+#define MASTER_LEFT
+// #define MASTER_RIGHT
+// #define EE_HANDS
+
+#define SSD1306OLED
+
+#define USE_SERIAL_PD2
+
+#define TAPPING_FORCE_HOLD
+#define TAPPING_TERM 200
+
+#undef RGBLED_NUM
+#define RGBLIGHT_ANIMATIONS
+#define RGBLED_NUM 54
+#define RGBLIGHT_LIMIT_VAL 120
+#define RGBLIGHT_HUE_STEP 10
+#define RGBLIGHT_SAT_STEP 17
+#define RGBLIGHT_VAL_STEP 17
+
+// Use the lily version to get the uzu42 logo instead of the qmk logo
+#define OLED_FONT_H "keymaps/default/glcdfont_uzu42.c"
diff --git a/keyboards/uzu42/keymaps/default/glcdfont_uzu42.c b/keyboards/uzu42/keymaps/default/glcdfont_uzu42.c
new file mode 100644
index 0000000000..f5524ec737
--- /dev/null
+++ b/keyboards/uzu42/keymaps/default/glcdfont_uzu42.c
@@ -0,0 +1,243 @@
+// This is the 'classic' fixed-space bitmap font for Adafruit_GFX since 1.0.
+// See gfxfont.h for newer custom bitmap font info.
+
+#ifndef FONT5X7_H
+#define FONT5X7_H
+
+#ifdef __AVR__
+ #include <avr/io.h>
+ #include <avr/pgmspace.h>
+#elif defined(ESP8266)
+ #include <pgmspace.h>
+#else
+ #define PROGMEM
+#endif
+
+// Standard ASCII 5x7 font
+const unsigned char font[] PROGMEM = {
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x3E, 0x5B, 0x4F, 0x5B, 0x3E, 0x00,
+0x3E, 0x6B, 0x4F, 0x6B, 0x3E, 0x00,
+0x1C, 0x3E, 0x7C, 0x3E, 0x1C, 0x00,
+0x18, 0x3C, 0x7E, 0x3C, 0x18, 0x00,
+0x1C, 0x57, 0x7D, 0x57, 0x1C, 0x00,
+0x1C, 0x5E, 0x7F, 0x5E, 0x1C, 0x00,
+0x00, 0x18, 0x3C, 0x18, 0x00, 0x00,
+0xFF, 0xE7, 0xC3, 0xE7, 0xFF, 0x00,
+0x00, 0x18, 0x24, 0x18, 0x00, 0x00,
+0xFF, 0xE7, 0xDB, 0xE7, 0xFF, 0x00,
+0x30, 0x48, 0x3A, 0x06, 0x0E, 0x00,
+0x26, 0x29, 0x79, 0x29, 0x26, 0x00,
+0x40, 0x7F, 0x05, 0x05, 0x07, 0x00,
+0x40, 0x7F, 0x05, 0x25, 0x3F, 0x00,
+0x5A, 0x3C, 0xE7, 0x3C, 0x5A, 0x00,
+0x7F, 0x3E, 0x1C, 0x1C, 0x08, 0x00,
+0x08, 0x1C, 0x1C, 0x3E, 0x7F, 0x00,
+0x14, 0x22, 0x7F, 0x22, 0x14, 0x00,
+0x5F, 0x5F, 0x00, 0x5F, 0x5F, 0x00,
+0x06, 0x09, 0x7F, 0x01, 0x7F, 0x00,
+0x00, 0x66, 0x89, 0x95, 0x6A, 0x00,
+0x60, 0x60, 0x60, 0x60, 0x60, 0x00,
+0x94, 0xA2, 0xFF, 0xA2, 0x94, 0x00,
+0x08, 0x04, 0x7E, 0x04, 0x08, 0x00,
+0x10, 0x20, 0x7E, 0x20, 0x10, 0x00,
+0x08, 0x08, 0x2A, 0x1C, 0x08, 0x00,
+0x08, 0x1C, 0x2A, 0x08, 0x08, 0x00,
+0x1E, 0x10, 0x10, 0x10, 0x10, 0x00,
+0x0C, 0x1E, 0x0C, 0x1E, 0x0C, 0x00,
+0x30, 0x38, 0x3E, 0x38, 0x30, 0x00,
+0x06, 0x0E, 0x3E, 0x0E, 0x06, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x5F, 0x00, 0x00, 0x00,
+0x00, 0x07, 0x00, 0x07, 0x00, 0x00,
+0x14, 0x7F, 0x14, 0x7F, 0x14, 0x00,
+0x24, 0x2A, 0x7F, 0x2A, 0x12, 0x00,
+0x23, 0x13, 0x08, 0x64, 0x62, 0x00,
+0x36, 0x49, 0x56, 0x20, 0x50, 0x00,
+0x00, 0x08, 0x07, 0x03, 0x00, 0x00,
+0x00, 0x1C, 0x22, 0x41, 0x00, 0x00,
+0x00, 0x41, 0x22, 0x1C, 0x00, 0x00,
+0x2A, 0x1C, 0x7F, 0x1C, 0x2A, 0x00,
+0x08, 0x08, 0x3E, 0x08, 0x08, 0x00,
+0x00, 0x80, 0x70, 0x30, 0x00, 0x00,
+0x08, 0x08, 0x08, 0x08, 0x08, 0x00,
+0x00, 0x00, 0x60, 0x60, 0x00, 0x00,
+0x20, 0x10, 0x08, 0x04, 0x02, 0x00,
+0x3E, 0x51, 0x49, 0x45, 0x3E, 0x00,
+0x00, 0x42, 0x7F, 0x40, 0x00, 0x00,
+0x72, 0x49, 0x49, 0x49, 0x46, 0x00,
+0x21, 0x41, 0x49, 0x4D, 0x33, 0x00,
+0x18, 0x14, 0x12, 0x7F, 0x10, 0x00,
+0x27, 0x45, 0x45, 0x45, 0x39, 0x00,
+0x3C, 0x4A, 0x49, 0x49, 0x31, 0x00,
+0x41, 0x21, 0x11, 0x09, 0x07, 0x00,
+0x36, 0x49, 0x49, 0x49, 0x36, 0x00,
+0x46, 0x49, 0x49, 0x29, 0x1E, 0x00,
+0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
+0x00, 0x40, 0x34, 0x00, 0x00, 0x00,
+0x00, 0x08, 0x14, 0x22, 0x41, 0x00,
+0x14, 0x14, 0x14, 0x14, 0x14, 0x00,
+0x00, 0x41, 0x22, 0x14, 0x08, 0x00,
+0x02, 0x01, 0x59, 0x09, 0x06, 0x00,
+0x00, 0x41, 0x5D, 0x59, 0x4E, 0x00,
+0x7C, 0x12, 0x11, 0x12, 0x7C, 0x00,
+0x7F, 0x49, 0x49, 0x49, 0x36, 0x00,
+0x3E, 0x41, 0x41, 0x41, 0x22, 0x00,
+0x7F, 0x41, 0x41, 0x41, 0x3E, 0x00,
+0x7F, 0x49, 0x49, 0x49, 0x41, 0x00,
+0x7F, 0x09, 0x09, 0x09, 0x01, 0x00,
+0x3E, 0x41, 0x41, 0x51, 0x73, 0x00,
+0x7F, 0x08, 0x08, 0x08, 0x7F, 0x00,
+0x00, 0x41, 0x7F, 0x41, 0x00, 0x00,
+0x20, 0x40, 0x41, 0x3F, 0x01, 0x00,
+0x7F, 0x08, 0x14, 0x22, 0x41, 0x00,
+0x7F, 0x40, 0x40, 0x40, 0x40, 0x00,
+0x7F, 0x02, 0x1C, 0x02, 0x7F, 0x00,
+0x7F, 0x04, 0x08, 0x10, 0x7F, 0x00,
+0x3E, 0x41, 0x41, 0x41, 0x3E, 0x00,
+0x7F, 0x09, 0x09, 0x09, 0x06, 0x00,
+0x3E, 0x41, 0x51, 0x21, 0x5E, 0x00,
+0x7F, 0x09, 0x19, 0x29, 0x46, 0x00,
+0x26, 0x49, 0x49, 0x49, 0x32, 0x00,
+0x03, 0x01, 0x7F, 0x01, 0x03, 0x00,
+0x3F, 0x40, 0x40, 0x40, 0x3F, 0x00,
+0x1F, 0x20, 0x40, 0x20, 0x1F, 0x00,
+0x3F, 0x40, 0x38, 0x40, 0x3F, 0x00,
+0x63, 0x14, 0x08, 0x14, 0x63, 0x00,
+0x03, 0x04, 0x78, 0x04, 0x03, 0x00,
+0x61, 0x59, 0x49, 0x4D, 0x43, 0x00,
+0x00, 0x7F, 0x41, 0x41, 0x41, 0x00,
+0x02, 0x04, 0x08, 0x10, 0x20, 0x00,
+0x00, 0x41, 0x41, 0x41, 0x7F, 0x00,
+0x04, 0x02, 0x01, 0x02, 0x04, 0x00,
+0x40, 0x40, 0x40, 0x40, 0x40, 0x00,
+0x00, 0x03, 0x07, 0x08, 0x00, 0x00,
+0x20, 0x54, 0x54, 0x78, 0x40, 0x00,
+0x7F, 0x28, 0x44, 0x44, 0x38, 0x00,
+0x38, 0x44, 0x44, 0x44, 0x28, 0x00,
+0x38, 0x44, 0x44, 0x28, 0x7F, 0x00,
+0x38, 0x54, 0x54, 0x54, 0x18, 0x00,
+0x00, 0x08, 0x7E, 0x09, 0x02, 0x00,
+0x18, 0x24, 0x24, 0x1C, 0x78, 0x00,
+0x7F, 0x08, 0x04, 0x04, 0x78, 0x00,
+0x00, 0x44, 0x7D, 0x40, 0x00, 0x00,
+0x20, 0x40, 0x40, 0x3D, 0x00, 0x00,
+0x7F, 0x10, 0x28, 0x44, 0x00, 0x00,
+0x00, 0x41, 0x7F, 0x40, 0x00, 0x00,
+0x7C, 0x04, 0x78, 0x04, 0x78, 0x00,
+0x7C, 0x08, 0x04, 0x04, 0x78, 0x00,
+0x38, 0x44, 0x44, 0x44, 0x38, 0x00,
+0x7C, 0x18, 0x24, 0x24, 0x18, 0x00,
+0x18, 0x24, 0x24, 0x18, 0x7C, 0x00,
+0x7C, 0x08, 0x04, 0x04, 0x08, 0x00,
+0x48, 0x54, 0x54, 0x54, 0x24, 0x00,
+0x04, 0x04, 0x3F, 0x44, 0x24, 0x00,
+0x3C, 0x40, 0x40, 0x20, 0x7C, 0x00,
+0x1C, 0x20, 0x40, 0x20, 0x1C, 0x00,
+0x3C, 0x40, 0x30, 0x40, 0x3C, 0x00,
+0x44, 0x28, 0x10, 0x28, 0x44, 0x00,
+0x4C, 0x90, 0x90, 0x90, 0x7C, 0x00,
+0x44, 0x64, 0x54, 0x4C, 0x44, 0x00,
+0x00, 0x08, 0x36, 0x41, 0x00, 0x00,
+0x00, 0x00, 0x77, 0x00, 0x00, 0x00,
+0x00, 0x41, 0x36, 0x08, 0x00, 0x00,
+0x02, 0x01, 0x02, 0x04, 0x02, 0x00,
+0x3C, 0x26, 0x23, 0x26, 0x3C, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0xC0, 0xE0, 0x70,
+0x38, 0x18, 0x18, 0x0C, 0x0C, 0x0C,
+0x0E, 0x06, 0x06, 0x06, 0x06, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x80, 0x80, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0xC0, 0xC0, 0xC0,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0xC0, 0xC0, 0xC0, 0x00, 0x00,
+0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0,
+0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0,
+0x00, 0x00, 0xC0, 0xC0, 0xC0, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0xC0, 0xC0, 0xC0, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0xE0, 0xF0, 0xF0, 0xF0, 0xE0, 0xEC,
+0xEE, 0xF7, 0xF3, 0x70, 0x20, 0x00,
+0x7C, 0x7C, 0x7C, 0x7E, 0x00, 0x7E,
+0x7E, 0x7E, 0x7F, 0x7F, 0x7F, 0x00,
+0x00, 0x80, 0xC0, 0xE0, 0x7E, 0x5B,
+0x4F, 0x5B, 0xFE, 0xC0, 0x00, 0x00,
+0xC0, 0x00, 0xDC, 0xD7, 0xDE, 0xDE,
+0xDE, 0xD7, 0xDC, 0x00, 0xC0, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x03, 0x07, 0x2E,
+0x6C, 0xD8, 0xD8, 0xF8, 0xB0, 0xB0,
+0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0,
+0xB0, 0xB0, 0xF8, 0xD8, 0xD8, 0x6C,
+0x2E, 0x07, 0x03, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
+0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x80, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
+0x01, 0x01, 0x81, 0xC1, 0xE1, 0x79,
+0x3D, 0x0F, 0x07, 0x03, 0x01, 0x00,
+0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x80,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
+0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x0F, 0x1F, 0x3F, 0x7F, 0x7F, 0x7F,
+0x7F, 0x7F, 0x3F, 0x1E, 0x0C, 0x00,
+0x1F, 0x1F, 0x1F, 0x3F, 0x00, 0x3F,
+0x3F, 0x3F, 0x7F, 0x7F, 0x7F, 0x00,
+0x30, 0x7B, 0x7F, 0x78, 0x30, 0x20,
+0x20, 0x30, 0x78, 0x7F, 0x3B, 0x00,
+0x03, 0x00, 0x0F, 0x7F, 0x0F, 0x0F,
+0x0F, 0x7F, 0x0F, 0x00, 0x03, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x02, 0x06, 0x17, 0x3D,
+0x6D, 0x6D, 0x6D, 0x6D, 0x6D, 0x6D,
+0x3D, 0x17, 0x06, 0x02, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x01, 0x03,
+0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
+0x07, 0x03, 0x01, 0x00, 0x00, 0x00,
+0x06, 0x07, 0x07, 0x07, 0x07, 0x07,
+0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
+0x00, 0x00, 0x00, 0x01, 0x03, 0x07,
+0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
+0x03, 0x01, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+#endif // FONT5X7_H
diff --git a/keyboards/uzu42/keymaps/default/keymap.c b/keyboards/uzu42/keymaps/default/keymap.c
new file mode 100644
index 0000000000..bb439971dc
--- /dev/null
+++ b/keyboards/uzu42/keymaps/default/keymap.c
@@ -0,0 +1,292 @@
+#include QMK_KEYBOARD_H
+#include "uzu42.h"
+#ifdef PROTOCOL_LUFA
+  #include "lufa.h"
+  #include "split_util.h"
+#endif
+#ifdef SSD1306OLED
+  #include "ssd1306.h"
+#endif
+
+extern keymap_config_t keymap_config;
+
+#ifdef RGBLIGHT_ENABLE
+#include <stdio.h>
+//Following line allows macro to read current RGB settings
+extern rgblight_config_t rgblight_config;
+#endif
+
+// 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.
+enum layer_number {
+  _QWERTY = 0,
+  _LOWER,
+  _RAISE,
+  _ADJUST,
+};
+
+enum custom_keycodes {
+  QWERTY = SAFE_RANGE,
+  LOWER,
+  RAISE,
+  ADJUST,
+  RGBRST
+};
+
+#define KC_CTES  CTL_T(KC_ESC)
+#define KC_SFSP  SFT_T(KC_SPC)
+#define KC_ALBS  ALT_T(KC_BSPC)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [_QWERTY] = LAYOUT( \
+  //,---------------------------------------.                  ,---------------------------------------.
+        KC_Q,   KC_W,   KC_E,   KC_R,   KC_T,                      KC_Y,   KC_U,   KC_I,   KC_O,   KC_P,\
+  //|-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------|
+        KC_A,   KC_S,   KC_D,   KC_F,   KC_G,                      KC_H,   KC_J,   KC_K,   KC_L, KC_ENT,\
+  //|-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------|
+        KC_Z,   KC_X,   KC_C,   KC_V,   KC_B,                      KC_N,   KC_M,KC_COMM, KC_DOT,KC_SLSH,\
+  //|-------+-------+-------+-------+-------+-------|  |-------+-------+-------+-------+-------+-------|
+     KC_LSFT, KC_SPC,KC_LALT,KC_LGUI,  LOWER,KC_CTES,   KC_SFSP,  RAISE,KC_ALBS,KC_RCTL,KC_LGUI,XXXXXXX \
+  //|-------+-------+-------+-------+-------+-------|  |-------+-------+-------+-------+-------+-------|
+  ),
+
+  [_LOWER] = LAYOUT( \
+  //,---------------------------------------.                  ,---------------------------------------.
+        KC_1,   KC_2,   KC_3,   KC_4,   KC_5,                      KC_6,   KC_7,   KC_8,   KC_9,   KC_0,\
+  //|-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------|
+      KC_TAB,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,                   KC_LEFT,KC_DOWN,  KC_UP,KC_RGHT, KC_ENT,\
+  //|-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------|
+     KC_LCTL, KC_SPC,KC_LSFT,KC_LALT, KC_DEL,                   KC_BSPC,KC_HOME, KC_END,XXXXXXX,XXXXXXX,\
+  //|-------+-------+-------+-------+-------+-------|  |-------+-------+-------+-------+-------+-------|
+     _______,_______,_______,_______,_______,_______,   _______,_______,_______,_______,_______,_______ \
+  //|-------+-------+-------+-------+-------+-------|  |-------+-------+-------+-------+-------+-------|
+  ),
+
+  [_RAISE] = LAYOUT( \
+  //,---------------------------------------.                  ,---------------------------------------.
+     KC_EXLM,  KC_AT,KC_HASH, KC_DLR,KC_PERC,                   KC_CIRC,KC_AMPR,KC_ASTR,KC_LPRN,KC_RPRN,\
+  //|-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------|
+      KC_TAB,KC_UNDS,KC_PLUS,KC_PIPE,KC_TILD,                   KC_COLN,KC_DQUO,  KC_GT,KC_LCBR,KC_RCBR,\
+  //|-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------|
+     KC_LCTL,KC_MINS, KC_EQL,KC_BSLS, KC_GRV,                   KC_SCLN,KC_QUOT,  KC_LT,KC_LBRC,KC_RBRC,\
+  //|-------+-------+-------+-------+-------+-------|  |-------+-------+-------+-------+-------+-------|
+     _______,_______,_______,_______,_______,_______,   _______,_______,_______,_______,_______,_______ \
+  //|-------+-------+-------+-------+-------+-------|  |-------+-------+-------+-------+-------+-------|
+  ),
+
+  [_ADJUST] = LAYOUT( \
+  //,---------------------------------------.                  ,---------------------------------------.
+       KC_F1,  KC_F2,  KC_F3,  KC_F4,  KC_F5,                     KC_F6,  KC_F7,  KC_F8,  KC_F9, KC_F10,\
+  //|-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------|
+      KC_F11, KC_F12,  RESET,KC_PSCR, KC_INS,                   RGB_TOG,RGB_HUI,RGB_SAI,RGB_VAI,XXXXXXX,\
+  //|-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------|
+     XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,                   RGB_MOD,RGB_HUD,RGB_SAD,RGB_VAD,RGBRST,\
+  //|-------+-------+-------+-------+-------+-------|  |-------+-------+-------+-------+-------+-------|
+     _______,_______,_______,_______,_______,_______,   _______,_______,_______,_______,_______,_______ \
+  //|-------+-------+-------+-------+-------+-------|  |-------+-------+-------+-------+-------+-------|
+  )
+};
+
+int RGB_current_mode;
+
+// Setting ADJUST layer RGB back to default
+void update_tri_layer_RGB(uint8_t layer1, uint8_t layer2, uint8_t layer3) {
+  if (IS_LAYER_ON(layer1) && IS_LAYER_ON(layer2)) {
+    layer_on(layer3);
+  } else {
+    layer_off(layer3);
+  }
+}
+
+void matrix_init_user(void) {
+    #ifdef RGBLIGHT_ENABLE
+      RGB_current_mode = rgblight_config.mode;
+    #endif
+}
+
+//SSD1306 OLED update loop, make sure to enable OLED_DRIVER_ENABLE=yes in rules.mk
+#ifdef OLED_DRIVER_ENABLE
+
+#define L_BASE 0
+#define L_LOWER (1 << 1)
+#define L_RAISE (1 << 2)
+#define L_ADJUST (1 << 3)
+#define L_ADJUST_TRI (L_ADJUST | L_RAISE | L_LOWER)
+
+char layer_state_str[24];
+
+const char *read_layer_state(void) {
+  switch (layer_state)
+  {
+  case L_BASE:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Default");
+    break;
+  case L_RAISE:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Raise");
+    break;
+  case L_LOWER:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Lower");
+    break;
+  case L_ADJUST:
+  case L_ADJUST_TRI:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Adjust");
+    break;
+  default:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Undef-%ld", layer_state);
+  }
+
+  return layer_state_str;
+}
+
+const char *read_logo(void) {
+  static char logo[] = {
+      0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94,
+      0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4,
+      0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4,
+      0};
+  return logo;
+}
+
+char keylog_str[24] = {};
+char keylogs_str[21] = {};
+int keylogs_str_idx = 0;
+
+const char code_to_name[60] = {
+    ' ', ' ', ' ', ' ', 'a', 'b', 'c', 'd', 'e', 'f',
+    'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p',
+    'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
+    '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
+    'R', 'E', 'B', 'T', ' ', ' ', ' ', ' ', ' ', ' ',
+    ' ', ';', '\'', ' ', ',', '.', '/', ' ', ' ', ' '};
+
+void set_keylog(uint16_t keycode, keyrecord_t *record) {
+  char name = ' ';
+  if (keycode < 60) {
+    name = code_to_name[keycode];
+  }
+
+  // update keylog
+  snprintf(keylog_str, sizeof(keylog_str), "%dx%d, k%2d : %c",
+           record->event.key.row, record->event.key.col,
+           keycode, name);
+
+  // update keylogs
+  if (keylogs_str_idx == sizeof(keylogs_str) - 1) {
+    keylogs_str_idx = 0;
+    for (int i = 0; i < sizeof(keylogs_str) - 1; i++) {
+      keylogs_str[i] = ' ';
+    }
+  }
+
+  keylogs_str[keylogs_str_idx] = name;
+  keylogs_str_idx++;
+}
+
+const char *read_keylog(void) {
+  return keylog_str;
+}
+
+const char *read_keylogs(void) {
+  return keylogs_str;
+}
+
+oled_rotation_t oled_init_user(oled_rotation_t rotation) {
+  if (!is_keyboard_master())
+    return OLED_ROTATION_180;  // flips the display 180 degrees if offhand
+  return rotation;
+}
+
+void oled_task_user(void) {
+  if (is_keyboard_master()) {
+    // If you want to change the display of OLED, you need to change here
+    oled_write_ln(read_layer_state(), false);
+    oled_write_ln(read_keylog(), false);
+    oled_write_ln(read_keylogs(), false);
+    //oled_write_ln(read_mode_icon(keymap_config.swap_lalt_lgui), false);
+    //oled_write_ln(read_host_led_state(), false);
+    //oled_write_ln(read_timelog(), false);
+  } else {
+    oled_write(read_logo(), false);
+  }
+}
+#endif // OLED_DRIVER_ENABLE
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  if (record->event.pressed) {
+#ifdef OLED_DRIVER_ENABLE
+    set_keylog(keycode, record);
+#endif
+    // set_timelog();
+  }
+
+  switch (keycode) {
+    case QWERTY:
+      if (record->event.pressed) {
+        set_single_persistent_default_layer(_QWERTY);
+      }
+      return false;
+      break;
+    case LOWER:
+      if (record->event.pressed) {
+        layer_on(_LOWER);
+        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+      } else {
+        layer_off(_LOWER);
+        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+      }
+      return false;
+      break;
+    case RAISE:
+      if (record->event.pressed) {
+        layer_on(_RAISE);
+        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+      } else {
+        layer_off(_RAISE);
+        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+      }
+      return false;
+      break;
+    case ADJUST:
+        if (record->event.pressed) {
+          layer_on(_ADJUST);
+        } else {
+          layer_off(_ADJUST);
+        }
+        return false;
+        break;
+    case RGB_MOD:
+      #ifdef RGBLIGHT_ENABLE
+        if (record->event.pressed) {
+          rgblight_mode(RGB_current_mode);
+          rgblight_step();
+          RGB_current_mode = rgblight_config.mode;
+        }
+      #endif
+      return false;
+      break;
+    case RGBRST:
+      #ifdef RGBLIGHT_ENABLE
+        if (record->event.pressed) {
+          eeconfig_update_rgblight_default();
+          rgblight_enable();
+          RGB_current_mode = rgblight_config.mode;
+        }
+      #endif
+      break;
+  }
+  return true;
+}
+
+#ifdef RGBLIGHT_ENABLE
+
+char rbf_info_str[24];
+const char *read_rgb_info(void) {
+
+  snprintf(rbf_info_str, sizeof(rbf_info_str), "%s %2d h%3d s%3d v%3d",
+    rgblight_config.enable ? "on" : "- ", rgblight_config.mode,
+    rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
+  return rbf_info_str;
+}
+#endif
diff --git a/keyboards/uzu42/readme.md b/keyboards/uzu42/readme.md
new file mode 100644
index 0000000000..9e287931b9
--- /dev/null
+++ b/keyboards/uzu42/readme.md
@@ -0,0 +1,15 @@
+# uzu42
+
+[![uzu42](https://i.imgur.com/CQTfebZ.jpg)](https://imgur.com/gallery/aKOKBgq)
+
+A split keyboard with 4x5 vertically staggered keys and 1 thumb keys.
+
+Keyboard Maintainer: [nrtkbb](https://github.com/nrtkbb/) [@nrtkbb](https://twitter.com/nrtkbb)  
+Hardware Supported: uzu42 PCB, Pro Micro  
+Hardware Availability: https://nrtkbb.booth.pm/ 
+
+Make example for this keyboard (after setting up your build environment):
+
+    make uzu42:default
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
diff --git a/keyboards/uzu42/rev1/config.h b/keyboards/uzu42/rev1/config.h
new file mode 100644
index 0000000000..8f86d22bf1
--- /dev/null
+++ b/keyboards/uzu42/rev1/config.h
@@ -0,0 +1,77 @@
+/*
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+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
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID       0xFEED
+#define PRODUCT_ID      0x3060
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    nrtkbb
+#define PRODUCT         uzu42
+#define DESCRIPTION     A split keyboard with 4x5 vertically staggered keys and 1 thumb keys
+
+/* key matrix size */
+// Rows are doubled-up
+#define MATRIX_ROWS 8
+#define MATRIX_COLS 6
+#define MATRIX_ROW_PINS { D4, C6, D7, E6 }
+
+// wiring of each half
+#define MATRIX_COL_PINS { F4, F5, F6, F7, B1, B3 }
+// #define MATRIX_COL_PINS { B2, B3, B1, F7, F6, F5, F4 } //uncomment this line and comment line above if you need to reverse left-to-right key order
+
+/* 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 DEBOUNCE 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
+
+/* ws2812 RGB LED */
+#define RGB_DI_PIN D3
+
+#ifdef RGBLIGHT_ENABLE
+#   define RGBLED_NUM 54    // Number of LEDs
+#   define RGBLED_SPLIT { 27, 27 }
+#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/uzu42/rev1/rev1.c b/keyboards/uzu42/rev1/rev1.c
new file mode 100644
index 0000000000..0bfac6bd93
--- /dev/null
+++ b/keyboards/uzu42/rev1/rev1.c
@@ -0,0 +1,2 @@
+#include "uzu42.h"
+
diff --git a/keyboards/uzu42/rev1/rev1.h b/keyboards/uzu42/rev1/rev1.h
new file mode 100644
index 0000000000..7b9c7d5991
--- /dev/null
+++ b/keyboards/uzu42/rev1/rev1.h
@@ -0,0 +1,36 @@
+#pragma once
+
+#include "../uzu42.h"
+
+#include "quantum.h"
+
+#ifdef RGBLIGHT_ENABLE
+//rgb led driver
+#include "ws2812.h"
+#endif
+
+#ifdef USE_I2C
+#include <stddef.h>
+#ifdef __AVR__
+	#include <avr/io.h>
+	#include <avr/interrupt.h>
+#endif
+#endif
+
+#define LAYOUT( \
+  L00, L01, L02, L03, L04,           R00, R01, R02, R03, R04, \
+  L10, L11, L12, L13, L14,           R10, R11, R12, R13, R14, \
+  L20, L21, L22, L23, L24,           R20, R21, R22, R23, R24, \
+  L30, L31, L32, L33, L34, L35, R30, R31, R32, R33, R34, R35 \
+  ) \
+  { \
+    { L00, L01, L02, L03, L04 }, \
+    { L10, L11, L12, L13, L14 }, \
+    { L20, L21, L22, L23, L24 }, \
+    { L30, L31, L32, L33, L34, L35 }, \
+    { R04, R03, R02, R01, R00 }, \
+    { R14, R13, R12, R11, R10 }, \
+    { R24, R23, R22, R21, R20 }, \
+    { R35, R34, R33, R32, R31, R30 } \
+  }
+
diff --git a/keyboards/uzu42/rev1/rules.mk b/keyboards/uzu42/rev1/rules.mk
new file mode 100644
index 0000000000..9d0da7e0f8
--- /dev/null
+++ b/keyboards/uzu42/rev1/rules.mk
@@ -0,0 +1,20 @@
+# 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. 
+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
diff --git a/keyboards/uzu42/rev1/serial_config.h b/keyboards/uzu42/rev1/serial_config.h
new file mode 100644
index 0000000000..4fab8e8ddf
--- /dev/null
+++ b/keyboards/uzu42/rev1/serial_config.h
@@ -0,0 +1,4 @@
+#ifndef SOFT_SERIAL_PIN
+#define SOFT_SERIAL_PIN D2
+#define SERIAL_USE_MULTI_TRANSACTION
+#endif
diff --git a/keyboards/uzu42/rev1/serial_config_simpleapi.h b/keyboards/uzu42/rev1/serial_config_simpleapi.h
new file mode 100644
index 0000000000..0e1dd9e4ac
--- /dev/null
+++ b/keyboards/uzu42/rev1/serial_config_simpleapi.h
@@ -0,0 +1,5 @@
+#pragma once
+
+#undef SERIAL_USE_MULTI_TRANSACTION
+#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
+#define SERIAL_MASTER_BUFFER_LENGTH MATRIX_ROWS/2
diff --git a/keyboards/uzu42/rules.mk b/keyboards/uzu42/rules.mk
new file mode 100644
index 0000000000..ff69431d43
--- /dev/null
+++ b/keyboards/uzu42/rules.mk
@@ -0,0 +1,40 @@
+# if firmware size over limit, try this option
+# CFLAGS += -flto
+
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+#   Teensy       halfkay
+#   Pro Micro    caterina
+#   Atmel DFU    atmel-dfu
+#   LUFA DFU     lufa-dfu
+#   QMK DFU      qmk-dfu
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
+BOOTLOADER = caterina
+
+# Use split_common libraries
+SPLIT_KEYBOARD = yes
+
+DEFAULT_FOLDER = uzu42/rev1
+
+# 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 SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no