Add corne keyboard (#3119)

* Fork from helix

* Move rev2 to rev1

* Remove unused settings

* Move split_util to outof rev

* Setup KEYMAP for crkbd

* Remove old image

* Move keymaps directory and glcdfont.c

* Remove AUDIO in keymap

* Show keylog

* Show keylogs

* Show time log

* Remove EISU/KANA

* Use KEYMAP_kc

* Remove iota_gfx_record_user wrapping

* Remove unused settings for layer

* Add keylogger.c

* Fix uppercase letters to lower

* Add timelogger.c

* Default RGBLED_NUM = 27

* Remove unused setting

* Add mode icon reader

* Add matrix_write_ln

* Add layer_state_reader

* Move to lib directory

* Rename functions

* Add host_led_state_reader

* Add logo_reader

* Cleaning of iota_gfx_task

* Fix bugs and add key defines

* Remove unnecessary comments

* Update crkbd readme

* Move libs to lib directories

* Rename KEYMAP to LAYOUT

10 files changed, 707 insertions, 0 deletions

diff --git a/keyboards/crkbd/keymaps/default/config.h b/keyboards/crkbd/keymaps/default/config.h
new file mode 100644
index 0000000000..15aeb098bc
--- /dev/null
+++ b/keyboards/crkbd/keymaps/default/config.h
@@ -0,0 +1,53 @@
+/*
+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/>.
+*/
+
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+/* Use I2C or Serial */
+
+#define USE_I2C
+#define USE_SERIAL
+//#define USE_MATRIX_I2C
+
+/* Select hand configuration */
+
+#define MASTER_LEFT
+// #define MASTER_RIGHT
+// #define EE_HANDS
+
+#define SSD1306OLED
+
+#define USE_SERIAL_PD2
+
+#define PREVENT_STUCK_MODIFIERS
+#define TAPPING_FORCE_HOLD
+#define TAPPING_TERM 100
+
+#undef RGBLED_NUM
+#define RGBLIGHT_ANIMATIONS
+#define RGBLED_NUM 27
+#define RGBLIGHT_LIMIT_VAL 120
+#define RGBLIGHT_HUE_STEP 10
+#define RGBLIGHT_SAT_STEP 17
+#define RGBLIGHT_VAL_STEP 17
+#endif
diff --git a/keyboards/crkbd/keymaps/default/glcdfont.c b/keyboards/crkbd/keymaps/default/glcdfont.c
new file mode 100644
index 0000000000..4e7b27bc0c
--- /dev/null
+++ b/keyboards/crkbd/keymaps/default/glcdfont.c
@@ -0,0 +1,244 @@
+// This is the 'classic' fixed-space bitmap font for Adafruit_GFX since 1.0.
+// See gfxfont.h for newer custom bitmap font info.
+
+#ifndef FONT5X7_H
+#define FONT5X7_H
+
+#ifdef __AVR__
+ #include <avr/io.h>
+ #include <avr/pgmspace.h>
+#elif defined(ESP8266)
+ #include <pgmspace.h>
+#else
+ #define PROGMEM
+#endif
+
+// Standard ASCII 5x7 font
+
+static const unsigned char font[] PROGMEM = {
+0x00, 0x00, 0x00, 0x00, 0x00, 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,
+0x3E, 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, 0xA4, 0xA4, 0x9C, 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,
+0xFC, 0x18, 0x24, 0x24, 0x18, 0x00,
+0x18, 0x24, 0x24, 0x18, 0xFC, 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, 0x0E, 0x3F, 0xFF, 0xFF,
+0xFF, 0xFF, 0xFE, 0xE0, 0x80, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x1E, 0xBE,
+0x7F, 0xFF, 0xFF, 0xFE, 0xFE, 0xF0,
+0xE0, 0xC0, 0x80, 0x00, 0x0E, 0xEF,
+0xDF, 0xDE, 0xBE, 0x3C, 0x38, 0x70,
+0xE0, 0xDD, 0xBB, 0x7B, 0x07, 0x0E,
+0x0E, 0x0C, 0x98, 0xF0, 0xE0, 0xF0,
+0xF0, 0xF8, 0x78, 0x3C, 0x1C, 0x1E,
+0x0E, 0x0E, 0x0F, 0x0F, 0x0F, 0x0F,
+0x1F, 0xFE, 0xFE, 0xF8, 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,
+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, 0x01, 0x03,
+0x0F, 0x3F, 0xFF, 0xFF, 0xFF, 0xFE,
+0xF8, 0xF0, 0xE0, 0xC0, 0x80, 0x7F,
+0xFF, 0xFE, 0xFD, 0xFB, 0x1B, 0x07,
+0x07, 0x0F, 0x1F, 0x1F, 0x1E, 0x1D,
+0x0B, 0x07, 0x01, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0xE0,
+0xF8, 0xFE, 0xFF, 0xFF, 0x1F, 0x07,
+0x01, 0x01, 0x01, 0x03, 0x06, 0x06,
+0x0C, 0x0C, 0x08, 0x0C, 0x0C, 0x0E,
+0x07, 0x83, 0xC1, 0xE0, 0x70, 0x30,
+0x18, 0x1C, 0x7C, 0xCC, 0x8C, 0xDC,
+0xF8, 0xC0, 0xE0, 0xE0, 0x70, 0xB8,
+0xF0, 0x60, 0x00, 0x00, 0x80, 0xC0,
+0xE0, 0xF0, 0x70, 0xF8, 0xFC, 0xFC,
+0x3C, 0x30, 0x38, 0xF8, 0xF8, 0xF8,
+0x78, 0x00, 0x80, 0x80, 0xC0, 0xE0,
+0x70, 0x38, 0x38, 0x9C, 0xDC, 0xFC,
+0x7C, 0x38, 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, 0x01, 0x03, 0x07,
+0x1F, 0x3F, 0x3F, 0x7F, 0x7F, 0x7F,
+0x7E, 0x7D, 0x3B, 0x17, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x07,
+0x0F, 0x1F, 0x3F, 0x3F, 0x7E, 0x7C,
+0x78, 0x70, 0x70, 0x70, 0x70, 0x70,
+0x70, 0x78, 0x38, 0x18, 0x1C, 0x0E,
+0x07, 0x0F, 0x1F, 0x3F, 0x3C, 0x38,
+0x38, 0x18, 0x0C, 0x06, 0x03, 0x01,
+0x01, 0x01, 0x01, 0x0E, 0x1F, 0x1F,
+0x1C, 0x1C, 0x1E, 0x0F, 0x0F, 0x03,
+0x1D, 0x0E, 0x07, 0x03, 0x01, 0x00,
+0x00, 0x0E, 0x1F, 0x1F, 0x1D, 0x1E,
+0x0F, 0x07, 0x03, 0x03, 0x0F, 0x1F,
+0x1F, 0x19, 0x19, 0x19, 0x19, 0x0C,
+0x0C, 0x04, 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/crkbd/keymaps/default/keymap.c b/keyboards/crkbd/keymaps/default/keymap.c
new file mode 100644
index 0000000000..ac3b7215cd
--- /dev/null
+++ b/keyboards/crkbd/keymaps/default/keymap.c
@@ -0,0 +1,246 @@
+#include "crkbd.h"
+#include "bootloader.h"
+#include "action_layer.h"
+#include "action_util.h"
+#include "eeconfig.h"
+#ifdef PROTOCOL_LUFA
+#include "lufa.h"
+#include "split_util.h"
+#endif
+#include "LUFA/Drivers/Peripheral/TWI.h"
+#ifdef SSD1306OLED
+  #include "ssd1306.h"
+#endif
+
+#include "../lib/mode_icon_reader.c"
+#include "../lib/layer_state_reader.c"
+#include "../lib/host_led_state_reader.c"
+#include "../lib/logo_reader.c"
+#include "../lib/keylogger.c"
+#include "../lib/timelogger.c"
+
+extern keymap_config_t keymap_config;
+
+#ifdef RGBLIGHT_ENABLE
+//Following line allows macro to read current RGB settings
+extern rgblight_config_t rgblight_config;
+#endif
+
+extern uint8_t is_master;
+
+// 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 3
+#define _RAISE 4
+#define _ADJUST 16
+
+enum custom_keycodes {
+  QWERTY = SAFE_RANGE,
+  LOWER,
+  RAISE,
+  ADJUST,
+  BACKLIT,
+  RGBRST
+};
+
+enum macro_keycodes {
+  KC_SAMPLEMACRO,
+};
+
+#define KC______ KC_TRNS
+#define KC_XXXXX KC_NO
+#define KC_LOWER LOWER
+#define KC_RAISE RAISE
+#define KC_RST   RESET
+#define KC_LRST  RGBRST
+#define KC_LTOG  RGB_TOG
+#define KC_LHUI  RGB_HUI
+#define KC_LHUD  RGB_HUD
+#define KC_LSAI  RGB_SAI
+#define KC_LSAD  RGB_SAD
+#define KC_LVAI  RGB_VAI
+#define KC_LVAD  RGB_VAD
+#define KC_LSMOD RGB_SMOD
+#define KC_CTLTB CTL_T(KC_TAB)
+#define KC_GUIEI GUI_T(KC_LANG2)
+#define KC_ALTKN ALT_T(KC_LANG1)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [_QWERTY] = LAYOUT_kc( \
+  //,-----------------------------------------.                ,-----------------------------------------.
+        ESC,     Q,     W,     E,     R,     T,                      Y,     U,     I,     O,     P,  BSPC,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+      CTLTB,     A,     S,     D,     F,     G,                      H,     J,     K,     L,  SCLN,  QUOT,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+       LSFT,     Z,     X,     C,     V,     B,                      N,     M,  COMM,   DOT,  SLSH,  RSFT,\
+  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
+                                  GUIEI, LOWER,   SPC,      ENT, RAISE, ALTKN \
+                              //`--------------------'  `--------------------'
+  ),
+
+  [_LOWER] = LAYOUT_kc( \
+  //,-----------------------------------------.                ,-----------------------------------------.
+        ESC,     1,     2,     3,     4,     5,                      6,     7,     8,     9,     0,  BSPC,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+      CTLTB,    F1,    F2,    F3,    F4,    F5,                     F6,    F7,    F8,    F9,   F10, XXXXX,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+       LSFT,   F11,   F12,   F13,   F14,   F15,                    F16,   F17,   F18,   F19,   F20, XXXXX,\
+  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
+                                  GUIEI, LOWER,   SPC,      ENT, RAISE, ALTKN \
+                              //`--------------------'  `--------------------'
+  ),
+
+  [_RAISE] = LAYOUT_kc( \
+  //,-----------------------------------------.                ,-----------------------------------------.
+        ESC,  EXLM,    AT,  HASH,   DLR,  PERC,                   CIRC,  AMPR,  ASTR,  LPRN,  RPRN,  BSPC,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+      CTLTB, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,                   MINS,   EQL,  LCBR,  RCBR,  PIPE,   GRV,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+       LSFT, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,                   UNDS,  PLUS,  LBRC,  RBRC,  BSLS,  TILD,\
+  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
+                                  GUIEI, LOWER,   SPC,      ENT, RAISE, ALTKN \
+                              //`--------------------'  `--------------------'
+  ),
+
+  [_ADJUST] = LAYOUT_kc( \
+  //,-----------------------------------------.                ,-----------------------------------------.
+        RST,  LRST, XXXXX, XXXXX, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+       LTOG,  LHUI,  LSAI,  LVAI, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+      LSMOD,  LHUD,  LSAD,  LVAD, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
+  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
+                                  GUIEI, LOWER,   SPC,      ENT, RAISE, ALTKN \
+                              //`--------------------'  `--------------------'
+  )
+};
+
+int RGB_current_mode;
+
+void persistent_default_layer_set(uint16_t default_layer) {
+  eeconfig_update_default_layer(default_layer);
+  default_layer_set(default_layer);
+}
+
+// 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 init, make sure to add #define SSD1306OLED in config.h
+    #ifdef SSD1306OLED
+        TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 800000));
+        iota_gfx_init(!has_usb());   // turns on the display
+    #endif
+}
+
+//SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
+#ifdef SSD1306OLED
+
+void matrix_scan_user(void) {
+   iota_gfx_task();
+}
+
+void matrix_render_user(struct CharacterMatrix *matrix) {
+  if (is_master) {
+    matrix_write_ln(matrix, read_layer_state());
+    matrix_write_ln(matrix, read_keylog());
+    matrix_write_ln(matrix, read_keylogs());
+    //matrix_write_ln(matrix, read_mode_icon(keymap_config.swap_lalt_lgui));
+    //matrix_write_ln(matrix, read_host_led_state());
+    //matrix_write_ln(matrix, read_timelog());
+  } else {
+    matrix_write(matrix, read_logo());
+  }
+}
+
+void matrix_update(struct CharacterMatrix *dest, const struct CharacterMatrix *source) {
+  if (memcmp(dest->display, source->display, sizeof(dest->display))) {
+    memcpy(dest->display, source->display, sizeof(dest->display));
+    dest->dirty = true;
+  }
+}
+
+void iota_gfx_task_user(void) {
+  struct CharacterMatrix matrix;
+  matrix_clear(&matrix);
+  matrix_render_user(&matrix);
+  matrix_update(&display, &matrix);
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  if (record->event.pressed) {
+    set_keylog(keycode, record);
+    set_timelog();
+  }
+
+  switch (keycode) {
+    case QWERTY:
+      if (record->event.pressed) {
+        persistent_default_layer_set(1UL<<_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;
+}
+
+#endif
diff --git a/keyboards/crkbd/keymaps/default/rules.mk b/keyboards/crkbd/keymaps/default/rules.mk
new file mode 100644
index 0000000000..33ddd82a43
--- /dev/null
+++ b/keyboards/crkbd/keymaps/default/rules.mk
@@ -0,0 +1,25 @@
+
+# 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.
+ONEHAND_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
+
+ifndef QUANTUM_DIR
+	include ../../../../Makefile
+endif
diff --git a/keyboards/crkbd/keymaps/lib/host_led_state_reader.c b/keyboards/crkbd/keymaps/lib/host_led_state_reader.c
new file mode 100644
index 0000000000..c19af11f8a
--- /dev/null
+++ b/keyboards/crkbd/keymaps/lib/host_led_state_reader.c
@@ -0,0 +1,13 @@
+#include "crkbd.h"
+
+char host_led_state[40];
+
+char *read_host_led_state(void)
+{
+  snprintf(host_led_state, sizeof(host_led_state), "\n%s  %s  %s",
+           (host_keyboard_leds() & (1 << USB_LED_NUM_LOCK)) ? "NUMLOCK" : "       ",
+           (host_keyboard_leds() & (1 << USB_LED_CAPS_LOCK)) ? "CAPS" : "    ",
+           (host_keyboard_leds() & (1 << USB_LED_SCROLL_LOCK)) ? "SCLK" : "    ");
+
+  return host_led_state;
+}
diff --git a/keyboards/crkbd/keymaps/lib/keylogger.c b/keyboards/crkbd/keymaps/lib/keylogger.c
new file mode 100644
index 0000000000..ee14ff0335
--- /dev/null
+++ b/keyboards/crkbd/keymaps/lib/keylogger.c
@@ -0,0 +1,49 @@
+#include "crkbd.h"
+
+char keylog[40] = {};
+char keylogs[21] = {};
+int keylogs_idx = 0;
+
+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, sizeof(keylog), "%dx%d, k%2d : %c",
+           record->event.key.row,
+           record->event.key.col,
+           keycode,
+           name);
+
+  // update keylogs
+  if (keylogs_idx == sizeof(keylogs) - 1)
+  {
+    keylogs_idx = 0;
+    for (int i = 0; i < sizeof(keylogs) - 1; i++)
+    {
+      keylogs[i] = ' ';
+    }
+  }
+  keylogs[keylogs_idx] = name;
+  keylogs_idx++;
+}
+
+char *read_keylog(void) {
+  return keylog;
+}
+
+char *read_keylogs(void) {
+  return keylogs;
+}
diff --git a/keyboards/crkbd/keymaps/lib/layer_state_reader.c b/keyboards/crkbd/keymaps/lib/layer_state_reader.c
new file mode 100644
index 0000000000..f79720d6f9
--- /dev/null
+++ b/keyboards/crkbd/keymaps/lib/layer_state_reader.c
@@ -0,0 +1,33 @@
+#include "crkbd.h"
+
+#define L_BASE 0
+#define L_LOWER 8
+#define L_RAISE 16
+#define L_ADJUST 65536
+#define L_ADJUST_TRI 65560
+
+char layer_state_str[40];
+
+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;
+}
diff --git a/keyboards/crkbd/keymaps/lib/logo_reader.c b/keyboards/crkbd/keymaps/lib/logo_reader.c
new file mode 100644
index 0000000000..46de17bfe0
--- /dev/null
+++ b/keyboards/crkbd/keymaps/lib/logo_reader.c
@@ -0,0 +1,12 @@
+#include "crkbd.h"
+
+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;
+}
diff --git a/keyboards/crkbd/keymaps/lib/mode_icon_reader.c b/keyboards/crkbd/keymaps/lib/mode_icon_reader.c
new file mode 100644
index 0000000000..cb3d8adb12
--- /dev/null
+++ b/keyboards/crkbd/keymaps/lib/mode_icon_reader.c
@@ -0,0 +1,15 @@
+#include "crkbd.h"
+
+char mode_icon[40];
+
+char *read_mode_icon(bool swap)
+{
+  static char logo[][2][3]={{{0x95,0x96,0},{0xb5,0xb6,0}},{{0x97,0x98,0},{0xb7,0xb8,0}}};
+  if(swap == false){
+    snprintf(mode_icon, sizeof(mode_icon), "%s\n%s", logo[0][0], logo[0][1]);
+  }else{
+    snprintf(mode_icon, sizeof(mode_icon), "%s\n%s", logo[1][0], logo[1][1]);
+  }
+
+  return mode_icon;
+}
diff --git a/keyboards/crkbd/keymaps/lib/timelogger.c b/keyboards/crkbd/keymaps/lib/timelogger.c
new file mode 100644
index 0000000000..0e22bafe7f
--- /dev/null
+++ b/keyboards/crkbd/keymaps/lib/timelogger.c
@@ -0,0 +1,17 @@
+#include "crkbd.h"
+
+char timelog[40] = {};
+int last_time = 0;
+int elapsed_time = 0;
+
+void set_timelog(void)
+{
+  elapsed_time = timer_elapsed(last_time);
+  last_time = timer_read();
+  snprintf(timelog, sizeof(timelog), "lt:%5d, et:%5d", last_time, elapsed_time);
+}
+
+char *read_timelog(void)
+{
+  return timelog;
+}