Merge branch 'master' of https://github.com/qmk/qmk_firmware

25 files changed, 1049 insertions, 795 deletions

diff --git a/keyboards/crkbd/keymaps/default/config.h b/keyboards/crkbd/keymaps/default/config.h
index 15aeb098b..644e81365 100644
--- a/keyboards/crkbd/keymaps/default/config.h
+++ b/keyboards/crkbd/keymaps/default/config.h
@@ -18,15 +18,8 @@ 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
+#pragma once
 
-#include "../../config.h"
-
-/* Use I2C or Serial */
-
-#define USE_I2C
-#define USE_SERIAL
 //#define USE_MATRIX_I2C
 
 /* Select hand configuration */
@@ -39,7 +32,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define USE_SERIAL_PD2
 
-#define PREVENT_STUCK_MODIFIERS
 #define TAPPING_FORCE_HOLD
 #define TAPPING_TERM 100
 
@@ -50,4 +42,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #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
deleted file mode 100644
index 4e7b27bc0..000000000
--- a/keyboards/crkbd/keymaps/default/glcdfont.c
+++ /dev/null
@@ -1,244 +0,0 @@
-// 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
index ac3b7215c..1e2e57a2b 100644
--- a/keyboards/crkbd/keymaps/default/keymap.c
+++ b/keyboards/crkbd/keymaps/default/keymap.c
@@ -1,24 +1,13 @@
-#include "crkbd.h"
+#include QMK_KEYBOARD_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"
+  #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
@@ -63,7 +52,7 @@ enum macro_keycodes {
 #define KC_LSAD  RGB_SAD
 #define KC_LVAI  RGB_VAI
 #define KC_LVAD  RGB_VAD
-#define KC_LSMOD RGB_SMOD
+#define KC_LMOD  RGB_MOD
 #define KC_CTLTB CTL_T(KC_TAB)
 #define KC_GUIEI GUI_T(KC_LANG2)
 #define KC_ALTKN ALT_T(KC_LANG1)
@@ -111,7 +100,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
        LTOG,  LHUI,  LSAI,  LVAI, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
-      LSMOD,  LHUD,  LSAD,  LVAD, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
+       LMOD,  LHUD,  LSAD,  LVAD, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
   //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
                                   GUIEI, LOWER,   SPC,      ENT, RAISE, ALTKN \
                               //`--------------------'  `--------------------'
@@ -140,7 +129,6 @@ void matrix_init_user(void) {
     #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
 }
@@ -148,12 +136,25 @@ void matrix_init_user(void) {
 //SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
 #ifdef SSD1306OLED
 
+// When add source files to SRC in rules.mk, you can use functions.
+const char *read_layer_state(void);
+const char *read_logo(void);
+void set_keylog(uint16_t keycode, keyrecord_t *record);
+const char *read_keylog(void);
+const char *read_keylogs(void);
+
+// const char *read_mode_icon(bool swap);
+// const char *read_host_led_state(void);
+// void set_timelog(void);
+// const char *read_timelog(void);
+
 void matrix_scan_user(void) {
    iota_gfx_task();
 }
 
 void matrix_render_user(struct CharacterMatrix *matrix) {
   if (is_master) {
+    // If you want to change the display of OLED, you need to change here
     matrix_write_ln(matrix, read_layer_state());
     matrix_write_ln(matrix, read_keylog());
     matrix_write_ln(matrix, read_keylogs());
@@ -178,11 +179,14 @@ void iota_gfx_task_user(void) {
   matrix_render_user(&matrix);
   matrix_update(&display, &matrix);
 }
+#endif//SSD1306OLED
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
   if (record->event.pressed) {
+#ifdef SSD1306OLED
     set_keylog(keycode, record);
-    set_timelog();
+#endif
+    // set_timelog();
   }
 
   switch (keycode) {
@@ -243,4 +247,3 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
   return true;
 }
 
-#endif
diff --git a/keyboards/crkbd/keymaps/default/rules.mk b/keyboards/crkbd/keymaps/default/rules.mk
index 33ddd82a4..16deaf45d 100644
--- a/keyboards/crkbd/keymaps/default/rules.mk
+++ b/keyboards/crkbd/keymaps/default/rules.mk
@@ -4,22 +4,28 @@
 #   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)
+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
+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
+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
+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
 
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif
+# If you want to change the display of OLED, you need to change here
+SRC +=  ./lib/glcdfont.c \
+        ./lib/rgb_state_reader.c \
+        ./lib/layer_state_reader.c \
+        ./lib/logo_reader.c \
+        ./lib/keylogger.c \
+        # ./lib/mode_icon_reader.c \
+        # ./lib/host_led_state_reader.c \
+        # ./lib/timelogger.c \
diff --git a/keyboards/crkbd/keymaps/drashna/config.h b/keyboards/crkbd/keymaps/drashna/config.h
new file mode 100644
index 000000000..cbc3feeb6
--- /dev/null
+++ b/keyboards/crkbd/keymaps/drashna/config.h
@@ -0,0 +1,50 @@
+/*
+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
+
+
+/* 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 100
+
+#ifdef RGBLIGHT_ENABLE
+#undef RGBLED_NUM
+#define RGBLED_NUM 27
+
+#define RGBLIGHT_HUE_STEP 8
+#define RGBLIGHT_SAT_STEP 8
+#define RGBLIGHT_VAL_STEP 8
+#define RGBLIGHT_LIMIT_VAL 100
+#endif
+
+#ifdef AUDIO_ENABLE
+#define B6_AUDIO
+// #define NO_MUSIC_MODE
+#endif
diff --git a/keyboards/crkbd/keymaps/drashna/keymap.c b/keyboards/crkbd/keymaps/drashna/keymap.c
new file mode 100644
index 000000000..678fd33b5
--- /dev/null
+++ b/keyboards/crkbd/keymaps/drashna/keymap.c
@@ -0,0 +1,266 @@
+#include QMK_KEYBOARD_H
+#include "drashna.h"
+#ifdef PROTOCOL_LUFA
+  #include "lufa.h"
+  #include "split_util.h"
+#endif
+#ifdef SSD1306OLED
+  #include "ssd1306.h"
+#endif
+
+extern keymap_config_t keymap_config;
+extern uint8_t is_master;
+
+#ifdef RGBLIGHT_ENABLE
+//Following line allows macro to read current RGB settings
+extern rgblight_config_t rgblight_config;
+#endif
+
+enum crkbd_keycodes {
+  RGBRST = NEW_SAFE_RANGE
+};
+
+#define LAYOUT_crkbd_base( \
+    K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, \
+    K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, \
+    K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A  \
+  ) \
+  LAYOUT_wrapper( \
+    KC_ESC,  K01,    K02,     K03,      K04,     K05,                        K06,     K07,     K08,     K09,     K0A,     KC_MINS, \
+    KC_TAB, ALT_T(K11),  K12, K13,      K14,     K15,                        K16,     K17,     K18,     K19,     K1A, RGUI_T(KC_QUOT), \
+    OS_LSFT, CTL_T(K21), K22, K23,      K24,     K25,                        K26,     K27,     K28,     K29,  CTL_T(K2A), OS_RSFT, \
+                           LT(_LOWER,KC_GRV), KC_SPC,  KC_BSPC,     KC_DEL,  KC_ENT,  RAISE                                        \
+  )
+#define LAYOUT_crkbd_base_wrapper(...)       LAYOUT_crkbd_base(__VA_ARGS__)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [_QWERTY] = LAYOUT_crkbd_base_wrapper(
+    _________________QWERTY_L1_________________, _________________QWERTY_R1_________________,
+    _________________QWERTY_L2_________________, _________________QWERTY_R2_________________,
+    _________________QWERTY_L3_________________, _________________QWERTY_R3_________________
+  ),
+
+  [_COLEMAK] = LAYOUT_crkbd_base_wrapper(
+    _________________COLEMAK_L1________________, _________________COLEMAK_R1________________,
+    _________________COLEMAK_L2________________, _________________COLEMAK_R2________________,
+    _________________COLEMAK_L3________________, _________________COLEMAK_R3________________
+  ),
+
+  [_DVORAK] = LAYOUT_crkbd_base_wrapper(
+    _________________DVORAK_L1_________________, _________________DVORAK_R1_________________,
+    _________________DVORAK_L2_________________, _________________DVORAK_R2_________________,
+    _________________DVORAK_L3_________________, _________________DVORAK_R3_________________
+  ),
+
+  [_WORKMAN] = LAYOUT_crkbd_base_wrapper(
+    _________________WORKMAN_L1________________, _________________WORKMAN_R1________________,
+    _________________WORKMAN_L2________________, _________________WORKMAN_R2________________,
+    _________________WORKMAN_L3________________, _________________WORKMAN_R3________________
+  ),
+
+  [_MODS] = LAYOUT_wrapper(
+      _______, ___________________BLANK___________________,                  ___________________BLANK___________________, _______,
+      _______, ___________________BLANK___________________,                  ___________________BLANK___________________, _______,
+      KC_LSFT, ___________________BLANK___________________,                  ___________________BLANK___________________, KC_RSFT,
+                                     _______, _______, _______,        _______, _______, _______
+  ),
+
+  [_LOWER] = LAYOUT_wrapper(
+    KC_F11,  _________________LOWER_L1__________________,                    _________________LOWER_R1__________________, KC_F11,
+    KC_F12,  _________________LOWER_L2__________________,                    _________________LOWER_R2__________________, KC_PIPE,
+    _______, _________________LOWER_L3__________________,                    _________________LOWER_R3__________________, _______,
+                                     _______, _______, _______,        _______, _______, _______
+  ),
+
+  [_RAISE] = LAYOUT_wrapper( \
+    _______, _________________RAISE_L1__________________,                    _________________RAISE_R1__________________, _______,
+    _______, _________________RAISE_L2__________________,                    _________________RAISE_R2__________________, KC_BSLS,
+    _______, _________________RAISE_L3__________________,                    _________________RAISE_R3__________________, _______,
+                                     _______, _______, _______,        _______, _______, _______
+  ),
+
+  [_ADJUST] = LAYOUT_wrapper( \
+    KC_MAKE, _________________ADJUST_L1_________________,                    _________________ADJUST_R1_________________, KC_RESET,
+    VRSN,    _________________ADJUST_L2_________________,                    _________________ADJUST_R2_________________, EEP_RST,
+    _______, _________________ADJUST_L3_________________,                    _________________ADJUST_R3_________________, KC_MPLY,
+                                     _______, _______, _______,        KC_NUKE, TG_MODS, _______
+  )
+};
+
+void matrix_init_keymap(void) {
+  //SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
+  #ifdef SSD1306OLED
+    iota_gfx_init(!has_usb());   // turns on the display
+  #endif
+
+  #ifndef CONVERT_TO_PROTON_C
+    setPinOutput(D5);
+    writePinHigh(D5);
+
+    setPinOutput(B0);
+    writePinHigh(B0);
+  #endif
+}
+
+//SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
+#ifdef SSD1306OLED
+
+// When add source files to SRC in rules.mk, you can use functions.
+const char *read_logo(void);
+char layer_state_str[24];
+char modifier_state_str[24];
+char host_led_state_str[24];
+char keylog_str[24] = {};
+char keylogs_str[21] = {};
+int keylogs_str_idx = 0;
+
+// const char *read_mode_icon(bool swap);
+// void set_timelog(void);
+// const char *read_timelog(void);
+
+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 >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX) || (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX)) { keycode = keycode & 0xFF; }
+  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;
+}
+
+
+const char* read_modifier_state(void) {
+  uint8_t modifiers = get_mods();
+  uint8_t one_shot = get_oneshot_mods();
+
+  snprintf(modifier_state_str, sizeof(modifier_state_str), "Mods:%s %s %s %s",
+    (modifiers & MODS_CTRL_MASK || one_shot & MODS_CTRL_MASK) ? "CTL" : "   ",
+    (modifiers & MODS_GUI_MASK || one_shot & MODS_GUI_MASK) ? "GUI" : "   ",
+    (modifiers & MODS_ALT_MASK || one_shot & MODS_ALT_MASK) ? "ALT" : "   ",
+    (modifiers & MODS_SHIFT_MASK || one_shot & MODS_SHIFT_MASK) ? "SFT" : "   "
+  );
+
+  return modifier_state_str;
+}
+
+const char *read_host_led_state(void) {
+  uint8_t leds = host_keyboard_leds();
+
+  snprintf(host_led_state_str, sizeof(host_led_state_str), "NL:%s CL:%s SL:%s",
+    (leds & (1 << USB_LED_NUM_LOCK)) ? "on" : "- ",
+    (leds & (1 << USB_LED_CAPS_LOCK)) ? "on" : "- ",
+    (leds & (1 << USB_LED_SCROLL_LOCK)) ? "on" : "- "
+  );
+
+  return host_led_state_str;
+}
+
+const char* read_layer_state(void) {
+  switch (biton32(layer_state)) {
+    case _RAISE:
+      snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Raise  ");
+      break;
+    case _LOWER:
+      snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Lower  ");
+      break;
+    case _ADJUST:
+      snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Adjust ");
+      break;
+    default:
+      switch (biton32(default_layer_state)) {
+        case _QWERTY:
+          snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Qwerty ");
+          break;
+        case _COLEMAK:
+          snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Colemak");
+          break;
+        case _DVORAK:
+          snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Dvorak ");
+          break;
+        case _WORKMAN:
+          snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Workman");
+          break;
+      }
+      break;
+  }
+
+    return layer_state_str;
+}
+
+void matrix_scan_keymap(void) {
+   iota_gfx_task();
+}
+
+void matrix_render_user(struct CharacterMatrix *matrix) {
+  if (is_master) {
+    //If you want to change the display of OLED, you need to change here
+    matrix_write_ln(matrix, read_layer_state());
+    matrix_write_ln(matrix, read_modifier_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(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_keymap(uint16_t keycode, keyrecord_t *record) {
+  switch (keycode) {
+    case KC_A ... KC_SLASH:
+    case KC_F1 ... KC_F12:
+    case KC_INSERT ... KC_UP:
+    case KC_KP_SLASH ... KC_KP_DOT:
+    case KC_F13 ... KC_F24:
+    if (record->event.pressed) { set_keylog(keycode, record); }
+      break;
+    // set_timelog();
+  }
+  return true;
+}
+
+#endif
diff --git a/keyboards/crkbd/keymaps/drashna/rules.mk b/keyboards/crkbd/keymaps/drashna/rules.mk
new file mode 100644
index 000000000..4b70f66f7
--- /dev/null
+++ b/keyboards/crkbd/keymaps/drashna/rules.mk
@@ -0,0 +1,33 @@
+
+# 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 = yes       # Audio control and System control(+450)
+CONSOLE_ENABLE = no         # Console for debug(+400)
+COMMAND_ENABLE = no         # Commands for debug and configuration
+NKRO_ENABLE = yes           # 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
+
+BOOTLOADER = qmk-dfu
+
+# If you want to change the display of OLED, you need to change here
+SRC +=  ./lib/glcdfont.c \
+        ./lib/rgb_state_reader.c \
+        ./lib/logo_reader.c \
+        # ./lib/keylogger.c \
+        # ./lib/host_led_state_reader.c \
+        # ./lib/mode_icon_reader.c \
+        # ./lib/layer_state_reader.c \
+        # ./lib/timelogger.c \
diff --git a/keyboards/crkbd/keymaps/edvorakjp/config.h b/keyboards/crkbd/keymaps/edvorakjp/config.h
new file mode 100644
index 000000000..515591a42
--- /dev/null
+++ b/keyboards/crkbd/keymaps/edvorakjp/config.h
@@ -0,0 +1,24 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+/* Select hand configuration */
+
+#define MASTER_LEFT
+// #define MASTER_RIGHT
+// #define EE_HANDS
+
+#define SSD1306OLED
+#define SWAP_SCLN
+
+// #define TAPPING_FORCE_HOLD
+#define TAPPING_TERM 120
+
+#undef RGBLED_NUM
+#define RGBLIGHT_EFFECT_STATIC_GRADIENT
+#define RGBLED_NUM 27
+#define RGBLIGHT_LIMIT_VAL 100
+#define RGBLIGHT_HUE_STEP 10
+#define RGBLIGHT_SAT_STEP 17
+#define RGBLIGHT_VAL_STEP 17
+
+#endif // CONFIG_USER_H
diff --git a/keyboards/crkbd/keymaps/edvorakjp/keymap.c b/keyboards/crkbd/keymaps/edvorakjp/keymap.c
new file mode 100644
index 000000000..ae2f710a0
--- /dev/null
+++ b/keyboards/crkbd/keymaps/edvorakjp/keymap.c
@@ -0,0 +1,158 @@
+#include QMK_KEYBOARD_H
+#ifdef PROTOCOL_LUFA
+  #include "split_util.h"
+#endif
+#ifdef SSD1306OLED
+  #include "oled.h"
+#endif
+
+#include "edvorakjp.h"
+
+/*
+ * enum custom_keycodes {
+ *   KC_LOCK = NEW_SAFE_RANGE,
+ * };
+ */
+
+#define KC_ KC_TRNS
+
+#define KC_TMB1 LGUI_T(KC_TAB)
+#define KC_TMB2 LSFT_T(KC_SPC)
+#define KC_TMB3 TD(TD_LOWER) // act as LOWER when hold, as KC_LANG2(=English) when tapped
+#define KC_TMB4 TD(TD_RAISE) // act as RAISE when hold, as KC_LANG1(=Japanese) when tapped
+#define KC_TMB5 RCTL_T(KC_BSPC)
+#define KC_TMB6 RALT_T(KC_ENT)
+#define KC_TMB7 KC_DEL
+#define KC_TMB8 RALT(KC_ENT)
+#define KC_TMB9 LGUI(KC_TAB)
+
+#define KC_RST  RESET
+#define KC_DBUG DEBUG
+#define KC_RTOG RGB_TOG
+#define KC_EDJP EDVORAK
+#define KC_QWER QWERTY
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+  [_EDVORAK] = LAYOUT_kc(
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+     ESC ,QUOT,COMM,DOT , Y  , P  ,             F  , G  , R  , W  , Q  ,BSLS,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+     EQL , A  , O  , E  , I  , U  ,             D  , T  , N  , S  , M  ,MINS,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+     GRV ,SCLN, X  , C  , V  , Z  ,             B  , H  , J  , K  , L  ,SLSH,
+  //`----+----+----+----+----+----+----| |----+----+----+----+----+----+----'
+                         TMB1,TMB2,TMB3,  TMB4,TMB5,TMB6
+  //                    `----+----+----' `----+----+----'
+  ),
+
+  [_EDVORAKJ1] = LAYOUT_kc(
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         , AI , OU , EI ,    ,    ,                ,    ,    ,    ,    ,    ,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         ,    ,    ,    ,    ,    ,                ,    ,    , Y  ,    ,    ,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         ,ANN ,ONN ,ENN ,INN ,UNN ,                ,    ,    ,    ,    ,    ,
+  //`----+----+----+----+----+----+----| |----+----+----+----+----+----+----'
+                             ,    ,    ,      ,    ,
+  //                    `----+----+----' `----+----+----'
+  ),
+
+  [_EDVORAKJ2] = LAYOUT_kc(
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         , AI , OU , EI ,    ,    ,                ,    ,    ,    ,    ,    ,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         ,    ,    ,    ,    ,    ,                , Y  ,    ,    ,    ,    ,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         ,ANN ,ONN ,ENN ,INN ,UNN ,                ,    ,    ,    ,    ,    ,
+  //`----+----+----+----+----+----+----| |----+----+----+----+----+----+----'
+                             ,    ,    ,      ,    ,
+  //                    `----+----+----' `----+----+----'
+  ),
+
+  [_QWERTY] = LAYOUT_kc(
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+     TAB , Q  , W  , E  , R  , T  ,             Y  , U  , I  , O  , P  ,MINS,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+     EQL , A  , S  , D  , F  , G  ,             H  , J  , K  , L  ,SCLN,QUOT,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+     GRV , Z  , X  , C  , V  , B  ,             N  , M  ,COMM,DOT ,SLSH,BSLS,
+  //`----+----+----+----+----+----+----| |----+----+----+----+----+----+----'
+                             ,    ,    ,      ,    ,
+  //                    `----+----+----' `----+----+----'
+  ),
+
+  [_LOWER] = LAYOUT_kc(
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         ,    , 2  , 3  , 4  , 5  ,             6  , 7  , 8  , 9  ,    ,    ,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         , 1  ,EXLM, AT ,HASH,DLR ,            PERC,CIRC,AMPR,ASTR, 0  ,    ,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         ,    , LT ,LCBR,LPRN,LBRC,            RBRC,RPRN,RCBR, GT ,    ,    ,
+  //`----+----+----+----+----+----+----| |----+----+----+----+----+----+----'
+                             ,    ,    ,      ,TMB7,TMB8
+  //                    `----+----+----' `----+----+----'
+  ),
+
+  [_RAISE] = LAYOUT_kc(
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         , F1 , F2 , F3 , F4 , F5 ,             F6 , F7 , F8 , F9 ,F10 ,    ,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         ,F11 ,F12 ,PSCR,SLCK,PAUS,                ,HOME,PGDN,PGUP,END ,    ,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         ,    ,    ,    ,    ,    ,                ,LEFT,DOWN, UP ,RGHT,    ,
+  //|----+----+----+----+----+----+----| |----+----+----+----+----+----+----'
+                         TMB9,    ,    ,      ,    ,
+  //                    `----+----+----' `----+----+----'
+  ),
+
+  [_ADJUST] = LAYOUT_kc(
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         ,    ,    ,   ,EXTOFF,   ,                ,EXTON,   ,    ,    ,    ,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         ,    ,    ,QWER,WIN ,RST ,            RTOG,MAC ,EDJP,    ,    ,    ,
+  //|----+----+----+----+----+----|           |----+----+----+----+----+----|
+         ,    ,    ,    ,    ,    ,                ,    ,    ,    ,    ,    ,
+  //`----+----+----+----+----+----+----| |----+----+----+----+----+----+----'
+                             ,    ,    ,      ,    ,
+  //                    `----+----+----' `----+----+----'
+  )
+};
+
+#ifdef SSD1306OLED
+void matrix_init_keymap(void) {
+  //SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
+  iota_gfx_init(!has_usb());   // turns on the display
+}
+
+void matrix_scan_user(void) {
+  iota_gfx_task();  // this is what updates the display continuously
+}
+#endif
+
+#ifdef RGBLIGHT_EFFECT_STATIC_GRADIENT
+uint32_t layer_state_set_keymap(uint32_t state) {
+  rgblight_mode_noeeprom(RGBLIGHT_MODE_STATIC_LIGHT);
+  switch (biton32(state)) {
+    case _EDVORAKJ1:
+    case _EDVORAKJ2:
+      // _EDVORAKJ1 & J2 are same colored
+      rgblight_sethsv_noeeprom_white();
+      break;
+    case _LOWER:
+      rgblight_sethsv_noeeprom_red();
+      break;
+    case _RAISE:
+      rgblight_sethsv_noeeprom_blue();
+      break;
+    case _ADJUST:
+      rgblight_sethsv_noeeprom_green();
+      break;
+    default: //  for any other layers, or the default layer
+      rgblight_mode_noeeprom(RGBLIGHT_MODE_STATIC_GRADIENT + 3);
+      rgblight_sethsv_noeeprom_red();
+      break;
+  }
+  return state;
+}
+#endif
diff --git a/keyboards/crkbd/keymaps/edvorakjp/oled.c b/keyboards/crkbd/keymaps/edvorakjp/oled.c
new file mode 100644
index 000000000..e4cccf3e7
--- /dev/null
+++ b/keyboards/crkbd/keymaps/edvorakjp/oled.c
@@ -0,0 +1,82 @@
+#include <string.h>
+#include "oled.h"
+
+// NOTE: Redefined to avoid to use snprintf(); It makes size of firmware big.
+const char *read_mode_icon(bool windows_mode) {
+  static const char logo[][2][3] = {{{0x95, 0x96, 0}, {0xb5, 0xb6, 0}}, {{0x97, 0x98, 0}, {0xb7, 0xb8, 0}}};
+  static char mode_icon[10];
+
+  int mode_number = windows_mode ? 1 : 0;
+  strcpy(mode_icon, logo[mode_number][0]);
+
+  strcat(mode_icon, "\n");
+  strcat(mode_icon, logo[mode_number][1]);
+
+  return mode_icon;
+}
+
+const char *read_layer_state(void) {
+  static char layer_state_str[24];
+  char layer_name[17];
+
+  switch (biton32(layer_state)) {
+    case L_BASE:
+      strcpy(layer_name, default_layer_state == 1UL<<_EDVORAK ? "EDVORAK" : "QWERTY");
+      break;
+    case _EDVORAKJ1:
+    case _EDVORAKJ2:
+      strcpy(layer_name, "JP_EXT");
+      break;
+    case _RAISE:
+      strcpy(layer_name, "Raise");
+      break;
+    case _LOWER:
+      strcpy(layer_name, "Lower");
+      break;
+    case _ADJUST:
+      strcpy(layer_name, "Adjust");
+      break;
+    default:
+      snprintf(layer_name, sizeof(layer_name), "Undef-%ld", layer_state);
+  }
+
+  strcpy(layer_state_str, "Layer: ");
+
+  strcat(layer_state_str, layer_name);
+  strcat(layer_state_str, "\n");
+  return layer_state_str;
+}
+
+const char *read_host_led_state(void) {
+  static char led_str[24];
+  bool ext_status = get_enable_jp_extra_layer() && get_japanese_mode();
+  strcpy(led_str, ext_status ? "EXT" : "   ");
+
+  strcat(led_str, (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? " NMLK" : "     ");
+  strcat(led_str, (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? " CAPS" : "    ");
+  strcat(led_str, (host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? " SCLK" : "     ");
+  return led_str;
+}
+
+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);
+  if (is_master) {
+    matrix_write(&matrix, read_mode_icon(!get_enable_kc_lang()));
+    matrix_write(&matrix, " ");
+    matrix_write(&matrix, read_layer_state());
+    matrix_write(&matrix, read_host_led_state());
+  } else {
+    matrix_write(&matrix, read_logo());
+  }
+  matrix_update(&display, &matrix);
+}
diff --git a/keyboards/crkbd/keymaps/edvorakjp/oled.h b/keyboards/crkbd/keymaps/edvorakjp/oled.h
new file mode 100644
index 000000000..896347aea
--- /dev/null
+++ b/keyboards/crkbd/keymaps/edvorakjp/oled.h
@@ -0,0 +1,24 @@
+#ifndef OLED_USER_H
+#define OLED_USER_H
+
+//SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
+#include "ssd1306.h"
+#include "edvorakjp.h"
+
+//assign the right code to your layers for OLED display
+#define L_BASE 0
+
+extern uint8_t is_master;
+extern bool japanese_mode;
+
+// method prototypes defined in crkbd/lib
+extern const char *read_logo(void);
+
+const char *read_mode_icon(bool swap);
+const char *read_layer_state(void);
+const char *read_host_led_state(void);
+void matrix_update(struct CharacterMatrix *dest,
+                   const struct CharacterMatrix *source);
+void iota_gfx_task_user(void);
+
+#endif // OLED_CONFIG_USER_H
diff --git a/keyboards/crkbd/keymaps/edvorakjp/readme.md b/keyboards/crkbd/keymaps/edvorakjp/readme.md
new file mode 100644
index 000000000..dd406523d
--- /dev/null
+++ b/keyboards/crkbd/keymaps/edvorakjp/readme.md
@@ -0,0 +1,21 @@
+# edvorakjp
+
+Epaew's Enhanced Dvorak layout for Japanese Programmer  
+see [here](/users/edvorakjp) for more informations.
+
+## License
+
+Copyright 2018 Ryo Maeda epaew.333@gmail.com @epaew
+
+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/>.
diff --git a/keyboards/crkbd/keymaps/edvorakjp/rules.mk b/keyboards/crkbd/keymaps/edvorakjp/rules.mk
new file mode 100644
index 000000000..b4f6d2f1f
--- /dev/null
+++ b/keyboards/crkbd/keymaps/edvorakjp/rules.mk
@@ -0,0 +1,32 @@
+# 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
+TAP_DANCE_ENABLE = yes
+
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
+
+# If you want to change the display of OLED, you need to change here
+SRC += ./lib/glcdfont.c \
+       ./lib/logo_reader.c \
+       oled.c \
+       # ./lib/rgb_state_reader.c \
+       # ./lib/layer_state_reader.c \
+       # ./lib/keylogger.c \
+       # ./lib/mode_icon_reader.c \
+       # ./lib/host_led_state_reader.c \
+       # ./lib/timelogger.c \
diff --git a/keyboards/crkbd/keymaps/lib/host_led_state_reader.c b/keyboards/crkbd/keymaps/lib/host_led_state_reader.c
deleted file mode 100644
index c19af11f8..000000000
--- a/keyboards/crkbd/keymaps/lib/host_led_state_reader.c
+++ /dev/null
@@ -1,13 +0,0 @@
-#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
deleted file mode 100644
index ee14ff033..000000000
--- a/keyboards/crkbd/keymaps/lib/keylogger.c
+++ /dev/null
@@ -1,49 +0,0 @@
-#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
deleted file mode 100644
index f79720d6f..000000000
--- a/keyboards/crkbd/keymaps/lib/layer_state_reader.c
+++ /dev/null
@@ -1,33 +0,0 @@
-#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
deleted file mode 100644
index 46de17bfe..000000000
--- a/keyboards/crkbd/keymaps/lib/logo_reader.c
+++ /dev/null
@@ -1,12 +0,0 @@
-#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
deleted file mode 100644
index cb3d8adb1..000000000
--- a/keyboards/crkbd/keymaps/lib/mode_icon_reader.c
+++ /dev/null
@@ -1,15 +0,0 @@
-#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
deleted file mode 100644
index 0e22bafe7..000000000
--- a/keyboards/crkbd/keymaps/lib/timelogger.c
+++ /dev/null
@@ -1,17 +0,0 @@
-#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;
-}
diff --git a/keyboards/crkbd/keymaps/like_jis/config.h b/keyboards/crkbd/keymaps/like_jis/config.h
index 4c31cc779..a061b4fb0 100644
--- a/keyboards/crkbd/keymaps/like_jis/config.h
+++ b/keyboards/crkbd/keymaps/like_jis/config.h
@@ -20,10 +20,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-/* Use I2C or Serial */
-
-#define USE_I2C
-#define USE_SERIAL
 //#define USE_MATRIX_I2C
 
 /* Select hand configuration */
@@ -38,7 +34,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define PREVENT_STUCK_MODIFIERS
 #define TAPPING_FORCE_HOLD
-#define TAPPING_TERM 150
+#define TAPPING_TERM 250
 
 #undef RGBLED_NUM
 #define RGBLIGHT_ANIMATIONS
diff --git a/keyboards/crkbd/keymaps/like_jis/glcdfont.c b/keyboards/crkbd/keymaps/like_jis/glcdfont.c
deleted file mode 100644
index 4e7b27bc0..000000000
--- a/keyboards/crkbd/keymaps/like_jis/glcdfont.c
+++ /dev/null
@@ -1,244 +0,0 @@
-// 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/like_jis/keymap.c b/keyboards/crkbd/keymaps/like_jis/keymap.c
index 0dd9c1550..b1b6c64b1 100644
--- a/keyboards/crkbd/keymaps/like_jis/keymap.c
+++ b/keyboards/crkbd/keymaps/like_jis/keymap.c
@@ -7,13 +7,7 @@
 #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"
+#include "oled_helper.h"
 
 extern keymap_config_t keymap_config;
 
@@ -28,27 +22,35 @@ extern uint8_t is_master;
 // 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 layer_number {
+  _BASE = 0,
+  _LOWER,
+  _RAISE,
+  _ADJUST,
+};
 
 enum custom_keycodes {
   LOWER = SAFE_RANGE,
   RAISE,
   ADJUST,
+  KANJI,
   RGBRST
 };
 
-#define KC______ KC_TRNS
-#define KC_XXXXX KC_NO
-#define KC_KANJI KC_GRV
+enum tapdances{
+  TD_CODO = 0,
+  // TD_MNUB,
+};
 
+// Layer Mode aliases
 #define KC_LOWER LOWER
 #define KC_RAISE RAISE
 
-#define KC_RST   RESET
+#define KC______ KC_TRNS
+#define KC_XXXXX KC_NO
+#define KC_KANJI KANJI
 
+#define KC_RST   RESET
 #define KC_LRST  RGBRST
 #define KC_LTOG  RGB_TOG
 #define KC_LHUI  RGB_HUI
@@ -57,173 +59,237 @@ enum custom_keycodes {
 #define KC_LSAD  RGB_SAD
 #define KC_LVAI  RGB_VAI
 #define KC_LVAD  RGB_VAD
-#define KC_LSMOD RGB_SMOD
-
+#define KC_LMOD  RGB_MOD
 #define KC_KNRM  AG_NORM
 #define KC_KSWP  AG_SWAP
-#define KC_GUAP  LALT_T(KC_APP)
+
+#define KC_TBSF  LSFT_T(KC_TAB)
+// #define KC_SPSF  LSFT_T(KC_SPC)
+#define KC_ALAP  LALT_T(KC_APP)
+
+#define KC_CODO  TD(TD_CODO)
+// #define KC_MNUB  TD(TD_MNUB)
+
+qk_tap_dance_action_t tap_dance_actions[] = {
+  [TD_CODO] = ACTION_TAP_DANCE_DOUBLE(KC_COMM, KC_DOT),
+  // [TD_MNUB] = ACTION_TAP_DANCE_DOUBLE(KC_MINS, LSFT(KC_RO)),
+};
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-  [_QWERTY] = LAYOUT_kc( \
+  [_BASE] = LAYOUT_kc( \
   //,-----------------------------------------.                ,-----------------------------------------.
         ESC,     Q,     W,     E,     R,     T,                      Y,     U,     I,     O,     P,  MINS,\
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
-       LSFT,     A,     S,     D,     F,     G,                      H,     J,     K,     L,    UP,   ENT,\
+       TBSF,     A,     S,     D,     F,     G,                      H,     J,     K,     L,    UP,   ENT,\
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
-      LCTRL,     Z,     X,     C,     V,     B,                      N,     M,  COMM,  LEFT,  DOWN,  RGHT,\
+      LCTRL,     Z,     X,     C,     V,     B,                      N,     M,  CODO,  LEFT,  DOWN,  RGHT,\
   //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                   LGUI, LOWER,  BSPC,      SPC, RAISE,  GUAP \
+                                   LGUI, LOWER,  BSPC,      SPC, RAISE,  ALAP \
                               //`--------------------'  `--------------------'
   ),
 
   [_LOWER] = LAYOUT_kc( \
   //,-----------------------------------------.                ,-----------------------------------------.
-        TAB,    F1,    F2,    F3,    F4,    F5,                  XXXXX,  MINS,   EQL,  JYEN,  LBRC,  RBRC,\
+      _____,    F1,    F2,    F3,    F4,    F5,                  XXXXX,  MINS,   EQL,  JYEN,  LBRC,  RBRC,\
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
       _____,    F6,    F7,    F8,    F9,   F10,                  XXXXX, XXXXX, XXXXX,  SCLN,  QUOT,  BSLS,\
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
-      _____,   F11,   F12, XXXXX, KANJI,   ENT,                  XXXXX, XXXXX,  COMM,   DOT,  SLSH,    RO,\
+      _____,   F11,   F12,   TAB, KANJI,   ENT,                  XXXXX, XXXXX,  COMM,   DOT,  SLSH,    RO,\
   //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                  _____, _____,   DEL,    XXXXX, _____,   APP \
+                                  _____, _____,   DEL,    _____, _____,   APP \
                               //`--------------------'  `--------------------'
   ),
 
   [_RAISE] = LAYOUT_kc( \
   //,-----------------------------------------.                ,-----------------------------------------.
-      _____,     1,     2,     3,     4,     5,                      6,     7,     8,     9,     0, XXXXX,\
+      _____,     1,     2,     3,     4,     5,                      6,     7,     8,     9,     0,  PSLS,\
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
-      _____, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,                  XXXXX,     4,     5,     6,  QUOT, XXXXX,\
+      _____, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,                   QUOT,     4,     5,     6,  PPLS,  PAST,\
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
-      _____, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,                      0,     1,     2,     3,   DOT, XXXXX,\
+      _____, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,                      0,     1,     2,     3,   DOT,  PMNS,\
   //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                  _____, _____, XXXXX,    XXXXX, _____,  LALT \
+                                  _____, _____,  BSPC,    _____, _____,  LALT \
                               //`--------------------'  `--------------------'
   ),
 
   [_ADJUST] = LAYOUT_kc( \
   //,-----------------------------------------.                ,-----------------------------------------.
-        RST,  LRST,  KNRM,  KSWP, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
-  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
-       LTOG,  LHUI,  LSAI,  LVAI, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX,  PGUP, XXXXX,\
-  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
-      LSMOD,  LHUD,  LSAD,  LVAD, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX,  HOME,  PGDN,   END,\
+      _____,    RST,  LRST,  KNRM, KSWP, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
+  //|------+-------+------+------+------+-----|                |------+------+------+------+------+------|
+      _____,   LTOG,  LHUI,  LSAI, LVAI, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX,  PGUP, XXXXX,\
+  //|------+-------+------+------+------+-----|                |------+------+------+------+------+------|
+      _____,   LMOD,  LHUD,  LSAD, LVAD, XXXXX,                  XXXXX, XXXXX, XXXXX,  HOME,  PGDN,   END,\
   //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                  _____, _____, XXXXX,    XXXXX, _____, XXXXX \
+                                  _____, _____, XXXXX,    _____, _____, XXXXX \
                               //`--------------------'  `--------------------'
   )
 };
 
-int RGB_current_mode;
+#define L_BASE _BASE
+#define L_LOWER (1<<_LOWER)
+#define L_RAISE (1<<_RAISE)
+#define L_ADJUST (1<<_ADJUST)
+#define L_ADJUST_TRI (L_ADJUST|L_RAISE|L_LOWER)
 
-// Setting ADJUST layer RGB back to default
-inline 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);
-  }
-}
+#ifdef SSD1306OLED
+typedef struct {
+  uint8_t state;
+  char name[8];
+}LAYER_DISPLAY_NAME;
 
-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
-        iota_gfx_init(!has_usb());   // turns on the display
-    #endif
-}
+#define LAYER_DISPLAY_MAX 5
+const LAYER_DISPLAY_NAME layer_display_name[LAYER_DISPLAY_MAX] = {
+  {L_BASE, "Base"},
+  {L_BASE + 1, "Base"},
+  {L_LOWER, "Lower"},
+  {L_RAISE, "Raise"},
+  {L_ADJUST_TRI, "Adjust"}
+};
 
-//SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
-#ifdef SSD1306OLED
+static inline const char* get_leyer_status(void) {
 
-void matrix_scan_user(void) {
-   iota_gfx_task();
-}
+  for (uint8_t i = 0; i < LAYER_DISPLAY_MAX; ++i) {
+    if (layer_state == 0 && layer_display_name[i].state == default_layer_state) {
 
-inline 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());
+      return layer_display_name[i].name;
+    } else if (layer_state != 0 && layer_display_name[i].state == layer_state) {
+
+      return layer_display_name[i].name;
+    }
   }
+
+  return "?";
 }
 
-inline 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;
-  }
+static char layer_status_buf[24] = "Layer state ready.\n";
+static inline void update_keymap_status(void) {
+
+  snprintf(layer_status_buf, sizeof(layer_status_buf) - 1, "OS:%s Layer:%s\n",
+    keymap_config.swap_lalt_lgui? "win" : "mac", get_leyer_status());
 }
 
-void iota_gfx_task_user(void) {
-  struct CharacterMatrix matrix;
-  matrix_clear(&matrix);
-  matrix_render_user(&matrix);
-  matrix_update(&display, &matrix);
+static inline void render_keymap_status(struct CharacterMatrix *matrix) {
+
+  matrix_write(matrix, layer_status_buf);
 }
 
+#define UPDATE_KEYMAP_STATUS() update_keymap_status()
+#define RENDER_KEYMAP_STATUS(a) render_keymap_status(a)
+
+#else
+
+#define UPDATE_KEYMAP_STATUS()
+#define RENDER_KEYMAP_STATUS(a)
+
 #endif
 
+static inline void update_change_layer(bool pressed, uint8_t layer1, uint8_t layer2, uint8_t layer3) {
+
+  pressed ? layer_on(layer1) : layer_off(layer1);
+  IS_LAYER_ON(layer1) && IS_LAYER_ON(layer2) ? layer_on(layer3) : layer_off(layer3);
+}
+
+int RGB_current_mode;
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
-  #ifdef SSD1306OLED
-    if (record->event.pressed) {
-      set_keylog(keycode, record);
-      set_timelog();
-    }
-  #endif
 
+  UPDATE_KEY_STATUS(keycode, record);
+
+  bool result = false;
   switch (keycode) {
     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);
-      }
+      update_change_layer(record->event.pressed, _LOWER, _RAISE, _ADJUST);
       break;
     case RAISE:
+      update_change_layer(record->event.pressed, _RAISE, _LOWER, _ADJUST);
+        break;
+    case KANJI:
       if (record->event.pressed) {
-        layer_on(_RAISE);
-        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+        if (keymap_config.swap_lalt_lgui == false) {
+          register_code(KC_LANG2);
+        } else {
+          SEND_STRING(SS_LALT("`"));
+        }
       } else {
-        layer_off(_RAISE);
-        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+        unregister_code(KC_LANG2);
       }
       break;
-    case ADJUST:
-        if (record->event.pressed) {
-          layer_on(_ADJUST);
-        } else {
-          layer_off(_ADJUST);
-        }
-        break;
-
     #ifdef RGBLIGHT_ENABLE
-    case RGB_MOD:
-        if (record->event.pressed) {
-          rgblight_mode(RGB_current_mode);
-          rgblight_step();
-          RGB_current_mode = rgblight_config.mode;
-        }
-      break;
-    case RGBRST:
-        if (record->event.pressed) {
-          eeconfig_update_rgblight_default();
-          rgblight_enable();
-          RGB_current_mode = rgblight_config.mode;
-        }
-      break;
+      case RGB_MOD:
+          if (record->event.pressed) {
+            rgblight_mode(RGB_current_mode);
+            rgblight_step();
+            RGB_current_mode = rgblight_config.mode;
+          }
+        break;
+      case RGBRST:
+          if (record->event.pressed) {
+            eeconfig_update_rgblight_default();
+            rgblight_enable();
+            RGB_current_mode = rgblight_config.mode;
+          }
+        break;
     #endif
     default:
-      return true;
+      result = true;
+      break;
   }
 
-  return false;
+  UPDATE_KEYMAP_STATUS();
+  return result;
+}
+
+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
+    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();  // this is what updates the display continuously
+}
+
+static inline 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;
+  }
+}
+
+static inline void render_status(struct CharacterMatrix *matrix) {
+
+  UPDATE_LED_STATUS();
+  RENDER_LED_STATUS(matrix);
+  RENDER_KEYMAP_STATUS(matrix);
+  UPDATE_LOCK_STATUS();
+  RENDER_LOCK_STATUS(matrix);
+  RENDER_KEY_STATUS(matrix);
+}
+
+void iota_gfx_task_user(void) {
+  struct CharacterMatrix matrix;
+
+  #if DEBUG_TO_SCREEN
+    if (debug_enable) {
+      return;
+    }
+  #endif
+
+  matrix_clear(&matrix);
+  if (is_master) {
+    render_status(&matrix);
+  } else {
+    RENDER_LOGO(&matrix);
+  }
+
+  matrix_update(&display, &matrix);
+}
+
+#endif
diff --git a/keyboards/crkbd/keymaps/like_jis/oled_helper.c b/keyboards/crkbd/keymaps/like_jis/oled_helper.c
new file mode 100644
index 000000000..500d3c0dc
--- /dev/null
+++ b/keyboards/crkbd/keymaps/like_jis/oled_helper.c
@@ -0,0 +1,83 @@
+#ifdef SSD1306OLED
+#include QMK_KEYBOARD_H
+#include "ssd1306.h"
+
+void render_logo(struct CharacterMatrix *matrix) {
+
+  const char logo_buf[]={
+    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};
+
+  matrix_write(matrix, logo_buf);
+}
+
+static char keylog_buf[24] = "Key state ready.";
+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 update_key_status(uint16_t keycode, keyrecord_t *record) {
+
+  if (!record->event.pressed) return;
+
+  char name = (keycode < 60) ? code_to_name[keycode] : ' ';
+  snprintf(keylog_buf, sizeof(keylog_buf) - 1, "Key:%dx%d %2x %c",
+          record->event.key.row, record->event.key.col,
+          (uint16_t)keycode, name);
+}
+
+void render_key_status(struct CharacterMatrix *matrix) {
+
+  matrix_write(matrix, keylog_buf);
+}
+
+static char lock_buf[24] = "Lock state ready.\n";
+void update_lock_status(void) {
+
+  uint8_t leds = host_keyboard_leds();
+  char *num_lock = (leds & (1<<USB_LED_NUM_LOCK)) ? "Num" : "";
+  char *caps_lock = (leds & (1<<USB_LED_CAPS_LOCK)) ? "Caps" : "";
+  char *scrl_lock = (leds & (1<<USB_LED_SCROLL_LOCK)) ? "Scrn" : "";
+  snprintf(lock_buf, sizeof(lock_buf) - 1, "Lock:%s %s %s\n",
+          num_lock, caps_lock, scrl_lock);
+}
+
+void render_lock_status(struct CharacterMatrix *matrix) {
+
+  matrix_write(matrix, lock_buf);
+}
+
+#ifdef RGBLIGHT_ENABLE
+extern rgblight_config_t rgblight_config;
+
+static char led_buf[24] = "LED state ready.\n";
+rgblight_config_t rgblight_config_bak;
+void update_led_status(void) {
+
+  if (rgblight_config_bak.enable != rgblight_config.enable ||
+      rgblight_config_bak.mode != rgblight_config.mode ||
+      rgblight_config_bak.hue != rgblight_config.hue ||
+      rgblight_config_bak.sat != rgblight_config.sat ||
+      rgblight_config_bak.val != rgblight_config.val
+  ) {
+    snprintf(led_buf, sizeof(led_buf) - 1, "LED%c:%2d hsv:%2d %2d %2d\n",
+      rgblight_config.enable ? '*' : '.', (uint8_t)rgblight_config.mode,
+      (uint8_t)(rgblight_config.hue / RGBLIGHT_HUE_STEP),
+      (uint8_t)(rgblight_config.sat / RGBLIGHT_SAT_STEP),
+      (uint8_t)(rgblight_config.val / RGBLIGHT_VAL_STEP));
+      rgblight_config_bak = rgblight_config;
+  }
+}
+
+void render_led_status(struct CharacterMatrix *matrix) {
+
+  matrix_write(matrix, led_buf);
+}
+#endif
+#endif
diff --git a/keyboards/crkbd/keymaps/like_jis/oled_helper.h b/keyboards/crkbd/keymaps/like_jis/oled_helper.h
new file mode 100644
index 000000000..44628a526
--- /dev/null
+++ b/keyboards/crkbd/keymaps/like_jis/oled_helper.h
@@ -0,0 +1,35 @@
+#ifdef SSD1306OLED
+
+void render_logo(struct CharacterMatrix *matrix);
+void update_key_status(uint16_t keycode, keyrecord_t *record);
+void render_key_status(struct CharacterMatrix *matrix);
+void update_lock_status(void);
+void render_lock_status(struct CharacterMatrix *matrix);
+
+#define RENDER_LOGO(a) render_logo(a)
+#define UPDATE_KEY_STATUS(a, b) update_key_status(a, b)
+#define RENDER_KEY_STATUS(a) render_key_status(a)
+#define UPDATE_LOCK_STATUS() update_lock_status()
+#define RENDER_LOCK_STATUS(a) render_lock_status(a)
+
+#ifdef RGBLIGHT_ENABLE
+  void update_led_status(void);
+  void render_led_status(struct CharacterMatrix *matrix);
+  #define UPDATE_LED_STATUS() update_led_status()
+  #define RENDER_LED_STATUS(a) render_led_status(a)
+#else
+  #define UPDATE_LED_STATUS()
+  #define RENDER_LED_STATUS(a)
+#endif
+
+#else
+
+#define RENDER_LOGO(a)
+#define UPDATE_KEY_STATUS(a, b)
+#define RENDER_KEY_STATUS(a)
+#define UPDATE_LOCK_STATUS()
+#define RENDER_LOCK_STATUS(a)
+#define UPDATE_LED_STATUS()
+#define RENDER_LED_STATUS(a)
+
+#endif
diff --git a/keyboards/crkbd/keymaps/like_jis/rules.mk b/keyboards/crkbd/keymaps/like_jis/rules.mk
index 3f1bd9108..92f4693aa 100644
--- a/keyboards/crkbd/keymaps/like_jis/rules.mk
+++ b/keyboards/crkbd/keymaps/like_jis/rules.mk
@@ -4,18 +4,29 @@
 #   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)
+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
+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
+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
+RGBLIGHT_ENABLE = yes       # Enable WS2812 RGB underlight.
+SWAP_HANDS_ENABLE = no      # Enable one-hand typing
+TAP_DANCE_ENABLE = yes
 
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
+
+Link_Time_Optimization = yes # if firmware size over limit, try this option
+
+ifeq ($(strip $(Link_Time_Optimization)),yes)
+    EXTRAFLAGS += -flto -DUSE_Link_Time_Optimization
+endif
+
+# If you want to change the display of OLED, you need to change here
+SRC +=  ./lib/glcdfont.c \
+        oled_helper.c \