Merge remote-tracking branch 'upstream/master'

2018-10-25 00:00:13 +02:00
parent 86eb9666c1 bef554d18b
commit 6d8c838cf5
2650 changed files with 157200 additions and 13888 deletions
@@ -16,9 +16,19 @@ 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_H
-#define CONFIG_H
+#pragma once

 #include "config_common.h"
+#include <serial_config.h>

-#endif
+#define USE_I2C
+#define USE_SERIAL
+
+#ifdef USE_Link_Time_Optimization
+  // LTO has issues with macros (action_get_macro) and "functions" (fn_actions),
+  //  so just disable them
+  #define NO_ACTION_MACRO
+  #define NO_ACTION_FUNCTION
+
+  #define DISABLE_LEADER
+#endif // USE_Link_Time_Optimization
@@ -1,8 +1,5 @@
-#ifndef CRKBD_H
-#define CRKBD_H
+#pragma once

 #ifdef KEYBOARD_crkbd_rev1
  #include "rev1.h"
 #endif
-
-#endif
@@ -34,7 +34,7 @@ void i2c_delay(void) {
  // _delay_us(100);
 }

-// Setup twi to run at 100kHz
+// Setup twi to run at 100kHz or 400kHz (see ./i2c.h SCL_CLOCK)
 void i2c_master_init(void) {
  // no prescaler
  TWSR = 0;
@@ -1,5 +1,4 @@
-#ifndef I2C_H
-#define I2C_H
+#pragma once

 #include <stdint.h>

@@ -15,7 +14,7 @@

 #define SLAVE_BUFFER_SIZE 0x10

-// i2c SCL clock frequency
+// i2c SCL clock frequency 400kHz
 #define SCL_CLOCK  400000L

 extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
@@ -45,5 +44,3 @@ extern unsigned char i2c_readNak(void);
 extern unsigned char i2c_read(unsigned char ack);

 #define i2c_read(ack)  (ack) ? i2c_readAck() : i2c_readNak();
-
-#endif
@@ -0,0 +1,62 @@
+{
+  "keyboard_name": "crkbd rev. 1",
+  "url": "",
+  "maintainer": "qmk",
+  "width": 15,
+  "height": 4.5,
+  "layouts": {
+    "LAYOUT": {
+      "layout": [
+        {"label":"Esc", "x":0, "y":0.3},
+        {"label":"Q", "x":1, "y":0.3},
+        {"label":"W", "x":2, "y":0.1},
+        {"label":"E", "x":3, "y":0},
+        {"label":"R", "x":4, "y":0.1},
+        {"label":"T", "x":5, "y":0.2},
+
+        {"label":"Y", "x":9, "y":0.2},
+        {"label":"U", "x":10, "y":0.1},
+        {"label":"I", "x":11, "y":0},
+        {"label":"O", "x":12, "y":0.1},
+        {"label":"P", "x":13, "y":0.3},
+        {"label":"Back Space", "x":14, "y":0.3},
+
+        {"label":"Ctrl / Tab", "x":0, "y":1.3},
+        {"label":"A", "x":1, "y":1.3},
+        {"label":"S", "x":2, "y":1.1},
+        {"label":"D", "x":3, "y":1},
+        {"label":"F", "x":4, "y":1.1},
+        {"label":"G", "x":5, "y":1.2},
+
+        {"label":"H", "x":9, "y":1.2},
+        {"label":"J", "x":10, "y":1.1},
+        {"label":"K", "x":11, "y":1},
+        {"label":"L", "x":12, "y":1.1},
+        {"label":";", "x":13, "y":1.3},
+        {"label":"'", "x":14, "y":1.3},
+
+        {"label":"Shift", "x":0, "y":2.3},
+        {"label":"Z", "x":1, "y":2.3},
+        {"label":"X", "x":2, "y":2.1},
+        {"label":"C", "x":3, "y":2},
+        {"label":"V", "x":4, "y":2.1},
+        {"label":"B", "x":5, "y":2.2},
+
+        {"label":"N", "x":9, "y":2.2},
+        {"label":"M", "x":10, "y":2.1},
+        {"label":",", "x":11, "y":2},
+        {"label":".", "x":12, "y":2.1},
+        {"label":"/", "x":13, "y":2.3},
+        {"label":"Shift", "x":14, "y":2.3},
+
+        {"label":"GUI / KC_HANJ", "x":4, "y":3.7},
+        {"label":"Lower", "x":5, "y":3.7},
+        {"label":"Space", "x":6, "y":3.2, "h":1.5},
+
+        {"label":"Enter", "x":8, "y":3.2, "h":1.5},
+        {"label":"Raise", "x":9, "y":3.7},
+        {"label":"Alt / KC_HAEN", "x":10, "y":3.7}
+      ]
+    }
+  }
+}
@@ -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
@@ -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
@@ -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());
@@ -182,7 +183,7 @@ void iota_gfx_task_user(void) {
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  if (record->event.pressed) {
    set_keylog(keycode, record);
-    set_timelog();
+    // set_timelog();
  }

  switch (keycode) {
@@ -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 \
@@ -0,0 +1,45 @@
+/*
+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 120
+#endif
@@ -0,0 +1,184 @@
+#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_BSPC, \
+    KC_TAB,  K11,    K12,     K13,      K14,     K15,                        K16,     K17,     K18,     K19,     K1A,     KC_QUOT, \
+    KC_MLSF, CTL_T(K21), K22, K23,      K24,     K25,                        K26,     K27,     K28,     K29,  CTL_T(K2A), KC_MRSF, \
+                           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_TILD, _________________LOWER_L1__________________,                    _________________LOWER_R1__________________, KC_BSPC,
+    KC_F11,  _________________LOWER_L2__________________,                    _________________LOWER_R2__________________, KC_PIPE,
+    KC_F12,  _________________LOWER_L3__________________,                    _________________LOWER_R3__________________, _______,
+                                     _______, _______, _______,        _______, _______, _______
+  ),
+
+  [_RAISE] = LAYOUT_wrapper( \
+    KC_GRV,  _________________RAISE_L1__________________,                    _________________RAISE_R1__________________, KC_BSPC,
+    _______, _________________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_________________, EPRM,
+    TG_MODS, _________________ADJUST_L3_________________,                    _________________ADJUST_R3_________________, KC_MPLY,
+                                     _______, _______, _______,        _______, _______, _______
+  )
+};
+
+int RGB_current_mode;
+
+void matrix_init_keymap(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
+
+  DDRD &= ~(1<<5);
+  PORTD &= ~(1<<5);
+
+  DDRB &= ~(1<<0);
+  PORTB &= ~(1<<0);}
+
+//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_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_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_keymap(uint16_t keycode, keyrecord_t *record) {
+  if (record->event.pressed) {
+    set_keylog(keycode, record);
+    // set_timelog();
+  }
+
+  switch (keycode) {
+    case RGB_MOD:
+      #ifdef RGBLIGHT_ENABLE
+        if (record->event.pressed) {
+          rgblight_mode_noeeprom(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
@@ -0,0 +1,31 @@
+
+# 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
+
+# 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 \
@@ -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;
-}
@@ -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;
-}
@@ -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;
-}
@@ -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;
-}
@@ -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;
-}
@@ -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;
-}
@@ -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 */
@@ -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
@@ -8,13 +8,6 @@
  #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
@@ -84,7 +77,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
      _____,   F11,   F12, XXXXX, KANJI,   ENT,                  XXXXX, XXXXX,  COMM,   DOT,  SLSH,    RO,\
  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                  _____, _____,   DEL,    XXXXX, _____,   APP \
+                                  _____, _____,   DEL,    _____, _____,   APP \
                              //`--------------------'  `--------------------'
  ),

@@ -96,19 +89,19 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
      _____, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,                      0,     1,     2,     3,   DOT, XXXXX,\
  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                  _____, _____, 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,\
+  //|------+-------+------+------+------+-----|                |------+------+------+------+------+------|
+      _____,  LSMOD,  LHUD,  LSAD,  LVAD,XXXXX,                  XXXXX, XXXXX, XXXXX,  HOME,  PGDN,   END,\
  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                  _____, _____, XXXXX,    XXXXX, _____, XXXXX \
+                                  _____, _____, XXXXX,    _____, _____, XXXXX \
                              //`--------------------'  `--------------------'
  )
 };
@@ -116,7 +109,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 int RGB_current_mode;

 // Setting ADJUST layer RGB back to default
-inline void update_tri_layer_RGB(uint8_t layer1, uint8_t layer2, uint8_t layer3) {
+static 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 {
@@ -137,24 +130,48 @@ 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);
+
+#ifdef RGBLIGHT_ENABLE
+  const char *read_rgb_info(void);
+  #define RENDER_RGB_INFO(m) matrix_write_ln(m, (const char*)read_rgb_info())
+#else
+  #define RENDER_RGB_INFO(m)
+#endif
+
+
 void matrix_scan_user(void) {
   iota_gfx_task();
 }

-inline void matrix_render_user(struct CharacterMatrix *matrix) {
+static inline 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());
-    //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());
+    RENDER_RGB_INFO(matrix);
+    // matrix_write_ln(matrix, read_keylogs());
+    // matrix_write_ln(matrix, read_host_led_state());
+
+    // matrix_write_ln(matrix, read_mode_icon(keymap_config.swap_lalt_lgui));
+    // matrix_write_ln(matrix, read_timelog());
  } else {
    matrix_write(matrix, read_logo());
  }
 }

-inline void matrix_update(struct CharacterMatrix *dest, const struct CharacterMatrix *source) {
+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;
@@ -174,7 +191,7 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  #ifdef SSD1306OLED
    if (record->event.pressed) {
      set_keylog(keycode, record);
-      set_timelog();
+      // set_timelog();
    }
  #endif

@@ -4,18 +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.
-SWAP_HANDS_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
+
+# 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 \
@@ -14,8 +14,7 @@
 #endif

 // Standard ASCII 5x7 font
-
-static const unsigned char font[] PROGMEM = {
+const unsigned char font[] PROGMEM = {
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x3E, 0x5B, 0x4F, 0x5B, 0x3E, 0x00,
 0x3E, 0x6B, 0x4F, 0x6B, 0x3E, 0x00,
@@ -119,7 +118,7 @@ static const unsigned char font[] PROGMEM = {
 0x38, 0x44, 0x44, 0x28, 0x7F, 0x00,
 0x38, 0x54, 0x54, 0x54, 0x18, 0x00,
 0x00, 0x08, 0x7E, 0x09, 0x02, 0x00,
-0x18, 0xA4, 0xA4, 0x9C, 0x78, 0x00,
+0x18, 0x24, 0x24, 0x1C, 0x78, 0x00,
 0x7F, 0x08, 0x04, 0x04, 0x78, 0x00,
 0x00, 0x44, 0x7D, 0x40, 0x00, 0x00,
 0x20, 0x40, 0x40, 0x3D, 0x00, 0x00,
@@ -128,8 +127,8 @@ static const unsigned char font[] PROGMEM = {
 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, 0x18, 0x24, 0x24, 0x18, 0x00,
+0x18, 0x24, 0x24, 0x18, 0x7C, 0x00,
 0x7C, 0x08, 0x04, 0x04, 0x08, 0x00,
 0x48, 0x54, 0x54, 0x54, 0x24, 0x00,
 0x04, 0x04, 0x3F, 0x44, 0x24, 0x00,
@@ -145,24 +144,24 @@ static const unsigned char font[] PROGMEM = {
 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, 0xC0, 0xE0,
+0xF0, 0xF8, 0xF8, 0x18, 0x00, 0xC0,
+0xF0, 0xFC, 0xFE, 0xFF, 0xFF, 0xFF,
+0xFF, 0xFF, 0xFF, 0xFF, 0x7E, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x80, 0xC0, 0xE0, 0xE0,
+0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0,
+0xC0, 0x80, 0x00, 0x00, 0x00, 0x00,
+0x80, 0xC0, 0xE0, 0xE0, 0xE0, 0xE0,
+0xE0, 0xE0, 0xE0, 0xE0, 0xC0, 0x80,
+0x00, 0x00, 0x00, 0xE0, 0xE0, 0xC0,
+0xC0, 0xE0, 0xE0, 0xE0, 0xE0, 0x00,
+0x00, 0xE0, 0xE0, 0xC0, 0xC0, 0xE0,
+0xE0, 0xE0, 0xE0, 0xE0, 0xC0, 0x80,
+0x00, 0x00, 0x00, 0x00, 0x80, 0xC0,
+0xE0, 0xE0, 0xE0, 0xE0, 0xE0, 0xE0,
+0xE0, 0xE0, 0xC0, 0x80, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0xE0, 0xF0, 0xF0, 0xF0, 0xE0, 0xEC,
@@ -177,25 +176,25 @@ static const unsigned char font[] PROGMEM = {
 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, 0xF8, 0xFC, 0xFE,
+0xFF, 0xE0, 0x00, 0xFF, 0xFF, 0xFF,
+0xFF, 0xFF, 0xFF, 0x80, 0xFF, 0xFF,
+0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+0xFF, 0x1F, 0x07, 0x01, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0xFF, 0xFF, 0xFF, 0x81, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x81,
+0xC3, 0xC3, 0xC3, 0x00, 0x00, 0xFF,
+0xFF, 0xFF, 0x81, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x81, 0xFF, 0xFF,
+0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
+0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0xFF, 0xFF, 0xFF, 0x01, 0x00,
+0x00, 0x00, 0x00, 0x01, 0xFF, 0xFF,
+0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
+0x9D, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C,
+0x1C, 0x9D, 0xDF, 0xDF, 0xDF, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x0F, 0x1F, 0x3F, 0x7F, 0x7F, 0x7F,
 0x7F, 0x7F, 0x3F, 0x1E, 0x0C, 0x00,
@@ -209,26 +208,26 @@ static const unsigned char font[] PROGMEM = {
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x03, 0x0F, 0x1F,
+0x3F, 0x3F, 0x3F, 0x3F, 0x1F, 0x1F,
+0x3F, 0x3F, 0x7F, 0x7F, 0x7F, 0x3F,
+0x3F, 0x1F, 0x3F, 0x7F, 0x7F, 0x7F,
+0x7F, 0x7C, 0x78, 0x78, 0x38, 0x1C,
+0x0F, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x01, 0x03, 0x07, 0x07,
+0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
+0x03, 0x01, 0x00, 0x00, 0x00, 0x00,
+0x01, 0x03, 0x07, 0x07, 0x07, 0x07,
+0x07, 0x07, 0x07, 0x07, 0x03, 0x01,
+0x00, 0x00, 0x00, 0x07, 0x07, 0x07,
 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, 0x07, 0x07, 0x07, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x07, 0x07,
+0x07, 0x00, 0x00, 0x00, 0x01, 0x03,
+0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
+0x07, 0x07, 0x03, 0x01, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-0x00, 0x00, 0x00, 0x00, 0x00, 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,
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include "crkbd.h"
+
+char host_led_state_str[24];
+
+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;
+}
@@ -0,0 +1,45 @@
+#include <stdio.h>
+#include "crkbd.h"
+
+char keylog_str[24] = {};
+char keylogs_str[21] = {};
+int keylogs_str_idx = 0;
+
+const char code_to_name[60] = {
+    ' ', ' ', ' ', ' ', 'a', 'b', 'c', 'd', 'e', 'f',
+    'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p',
+    'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
+    '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
+    'R', 'E', 'B', 'T', ' ', ' ', ' ', ' ', ' ', ' ',
+    ' ', ';', '\'', ' ', ',', '.', '/', ' ', ' ', ' '};
+
+void set_keylog(uint16_t keycode, keyrecord_t *record) {
+  char name = ' ';
+  if (keycode < 60) {
+    name = code_to_name[keycode];
+  }
+
+  // update keylog
+  snprintf(keylog_str, sizeof(keylog_str), "%dx%d, k%2d : %c",
+           record->event.key.row, record->event.key.col,
+           keycode, name);
+
+  // update keylogs
+  if (keylogs_str_idx == sizeof(keylogs_str) - 1) {
+    keylogs_str_idx = 0;
+    for (int i = 0; i < sizeof(keylogs_str) - 1; i++) {
+      keylogs_str[i] = ' ';
+    }
+  }
+
+  keylogs_str[keylogs_str_idx] = name;
+  keylogs_str_idx++;
+}
+
+const char *read_keylog(void) {
+  return keylog_str;
+}
+
+const char *read_keylogs(void) {
+  return keylogs_str;
+}
@@ -0,0 +1,35 @@
+
+#include QMK_KEYBOARD_H
+#include <stdio.h>
+#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[24];
+
+const char *read_layer_state(void) {
+  switch (layer_state)
+  {
+  case L_BASE:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Default");
+    break;
+  case L_RAISE:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Raise");
+    break;
+  case L_LOWER:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Lower");
+    break;
+  case L_ADJUST:
+  case L_ADJUST_TRI:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Adjust");
+    break;
+  default:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Undef-%ld", layer_state);
+  }
+
+  return layer_state_str;
+}
@@ -0,0 +1,11 @@
+#include "crkbd.h"
+
+const char *read_logo(void) {
+  static char logo[] = {
+      0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94,
+      0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4,
+      0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4,
+      0};
+
+  return logo;
+}
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include "crkbd.h"
+
+char mode_icon[24];
+
+const 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;
+}
@@ -0,0 +1,15 @@
+#ifdef RGBLIGHT_ENABLE
+
+#include QMK_KEYBOARD_H
+#include <stdio.h>
+
+extern rgblight_config_t rgblight_config;
+char rbf_info_str[24];
+const char *read_rgb_info(void) {
+
+  snprintf(rbf_info_str, sizeof(rbf_info_str), "%s %2d h%3d s%3d v%3d",
+    rgblight_config.enable ? "on" : "- ", rgblight_config.mode,
+    rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
+  return rbf_info_str;
+}
+#endif
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include "crkbd.h"
+
+char timelog_str[24] = {};
+int last_time = 0;
+int elapsed_time = 0;
+
+void set_timelog(void) {
+  elapsed_time = timer_elapsed(last_time);
+  last_time = timer_read();
+  snprintf(timelog_str, sizeof(timelog_str), "lt:%5d, et:%5d", last_time, elapsed_time);
+}
+
+const char *read_timelog(void) {
+  return timelog_str;
+}
@@ -21,9 +21,7 @@

  $Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
 */
-
-#ifndef Pins_Arduino_h
-#define Pins_Arduino_h
+#pragma once

 #include <avr/pgmspace.h>

@@ -358,5 +356,3 @@ const uint8_t PROGMEM analog_pin_to_channel_PGM[] = {
 #define SERIAL_PORT_USBVIRTUAL     Serial
 #define SERIAL_PORT_HARDWARE       Serial1
 #define SERIAL_PORT_HARDWARE_OPEN  Serial1
-
-#endif /* Pins_Arduino_h */
@@ -10,8 +10,9 @@ A split keyboard with 3x6 vertically staggered keys and 3 thumb keys.
 Keyboard Maintainer: [foostan](https://github.com/foostan/) [@foostan](https://twitter.com/foostan)  
 Hardware Supported: Crkbd PCB, Pro Micro  
 Hardware Availability: [PCB & Case Data](https://github.com/foostan/crkbd)
+
 Make example for this keyboard (after setting up your build environment):

    make crkbd:default

-See [build environment setup](https://docs.qmk.fm/build_environment_setup.html) then the [make instructions](https://docs.qmk.fm/make_instructions.html) for more information.
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
@@ -16,10 +16,7 @@ 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 REV1_CONFIG_H
-#define REV1_CONFIG_H
-
-#include "../config.h"
+#pragma once

 /* USB Device descriptor parameter */
 #define VENDOR_ID       0xFEED
@@ -60,10 +57,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.

 /* ws2812 RGB LED */
 #define RGB_DI_PIN D3
-#define RGBLIGHT_TIMER
+
 #define RGBLED_NUM 12    // Number of LEDs
-#define ws2812_PORTREG  PORTD
-#define ws2812_DDRREG   DDRD

 /*
 * Feature disable options
@@ -82,6 +77,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_ONESHOT
 //#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
-
-
-#endif
@@ -20,6 +20,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include <stdint.h>
 #include <stdbool.h>
+#include <string.h>
 #include <avr/io.h>
 #include <avr/wdt.h>
 #include <avr/interrupt.h>
@@ -30,12 +31,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "matrix.h"
 #include "split_util.h"
 #include "pro_micro.h"
-#include "config.h"

 #ifdef USE_MATRIX_I2C
 #  include "i2c.h"
 #else // USE_SERIAL
-#  include "serial.h"
+#  include "split_scomm.h"
 #endif

 #ifndef DEBOUNCE
@@ -103,6 +103,8 @@ void matrix_init(void)
    init_cols();

    TX_RX_LED_INIT;
+    TXLED0;
+    RXLED0;

    // initialize matrix state: all keys off
    for (uint8_t i=0; i < MATRIX_ROWS; i++) {
@@ -179,17 +181,20 @@ i2c_error: // the cable is disconnceted, or something else went wrong

 #else // USE_SERIAL

-int serial_transaction(void) {
+int serial_transaction(int master_changed) {
    int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
+#ifdef SERIAL_USE_MULTI_TRANSACTION
+    int ret=serial_update_buffers(master_changed);
+#else
    int ret=serial_update_buffers();
+#endif
    if (ret ) {
-        if(ret==2)RXLED1;
+        if(ret==2) RXLED1;
        return 1;
    }
-RXLED0;
-    for (int i = 0; i < ROWS_PER_HAND; ++i) {
-        matrix[slaveOffset+i] = serial_slave_buffer[i];
-    }
+    RXLED0;
+    memcpy(&matrix[slaveOffset],
+        (void *)serial_slave_buffer, SERIAL_SLAVE_BUFFER_LENGTH);
    return 0;
 }
 #endif
@@ -200,19 +205,9 @@ uint8_t matrix_scan(void)
        matrix_master_scan();
    }else{
        matrix_slave_scan();
-
-//        if(serial_slave_DATA_CORRUPT()){
-//          TXLED0;
-          int offset = (isLeftHand) ? ROWS_PER_HAND : 0;
-
-          for (int i = 0; i < ROWS_PER_HAND; ++i) {
-              matrix[offset+i] = serial_master_buffer[i];
-          }
-
-//        }else{
-//          TXLED1;
-//        }
-
+        int offset = (isLeftHand) ? ROWS_PER_HAND : 0;
+        memcpy(&matrix[offset],
+               (void *)serial_master_buffer, SERIAL_MASTER_BUFFER_LENGTH);
        matrix_scan_quantum();
    }
    return 1;
@@ -222,6 +217,7 @@ uint8_t matrix_scan(void)
 uint8_t matrix_master_scan(void) {

    int ret = _matrix_scan();
+    int mchanged = 1;

    int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;

@@ -231,15 +227,18 @@ uint8_t matrix_master_scan(void) {
 //        i2c_slave_buffer[i] = matrix[offset+i];
 //    }
 #else // USE_SERIAL
-    for (int i = 0; i < ROWS_PER_HAND; ++i) {
-        serial_master_buffer[i] = matrix[offset+i];
-    }
+  #ifdef SERIAL_USE_MULTI_TRANSACTION
+    mchanged = memcmp((void *)serial_master_buffer,
+		      &matrix[offset], SERIAL_MASTER_BUFFER_LENGTH);
+  #endif
+    memcpy((void *)serial_master_buffer,
+	   &matrix[offset], SERIAL_MASTER_BUFFER_LENGTH);
 #endif

 #ifdef USE_MATRIX_I2C
    if( i2c_transaction() ) {
 #else // USE_SERIAL
-    if( serial_transaction() ) {
+    if( serial_transaction(mchanged) ) {
 #endif
        // turn on the indicator led when halves are disconnected
        TXLED1;
@@ -273,9 +272,19 @@ void matrix_slave_scan(void) {
        i2c_slave_buffer[i] = matrix[offset+i];
    }
 #else // USE_SERIAL
+  #ifdef SERIAL_USE_MULTI_TRANSACTION
+    int change = 0;
+  #endif
    for (int i = 0; i < ROWS_PER_HAND; ++i) {
+  #ifdef SERIAL_USE_MULTI_TRANSACTION
+        if( serial_slave_buffer[i] != matrix[offset+i] )
+	    change = 1;
+  #endif
        serial_slave_buffer[i] = matrix[offset+i];
    }
+  #ifdef SERIAL_USE_MULTI_TRANSACTION
+    slave_buffer_change_count += change;
+  #endif
 #endif
 }

@@ -1,5 +1,4 @@
-#ifndef REV1_H
-#define REV1_CONFIG_H
+#pragma once

 #include "../crkbd.h"

@@ -49,5 +48,3 @@
    KC_##L20, KC_##L21, KC_##L22, KC_##L23, KC_##L24, KC_##L25,                     KC_##R20, KC_##R21, KC_##R22, KC_##R23, KC_##R24, KC_##R25, \
                                            KC_##L30, KC_##L31, KC_##L32, KC_##R30, KC_##R31, KC_##R32 \
  )
-
-#endif
@@ -1,2 +1,3 @@
-SRC += rev1/matrix.c \
-	   ws2812.c
+SRC += rev1/matrix.c
+SRC += rev1/split_util.c
+SRC += rev1/split_scomm.c
@@ -0,0 +1,10 @@
+#pragma once
+
+/* Soft Serial defines */
+#define SERIAL_PIN_DDR DDRD
+#define SERIAL_PIN_PORT PORTD
+#define SERIAL_PIN_INPUT PIND
+#define SERIAL_PIN_MASK _BV(PD2)
+#define SERIAL_PIN_INTERRUPT INT2_vect
+
+#define SERIAL_USE_MULTI_TRANSACTION
@@ -0,0 +1,5 @@
+#pragma once
+
+#undef SERIAL_USE_MULTI_TRANSACTION
+#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
+#define SERIAL_MASTER_BUFFER_LENGTH MATRIX_ROWS/2
@@ -0,0 +1,73 @@
+#ifdef USE_SERIAL
+#ifdef SERIAL_USE_MULTI_TRANSACTION
+/* --- USE flexible API (using multi-type transaction function) --- */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <split_scomm.h>
+#include "serial.h"
+#ifdef SERIAL_DEBUG_MODE
+#include <avr/io.h>
+#endif
+
+uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
+uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
+uint8_t volatile status_com = 0;
+uint8_t volatile status1 = 0;
+uint8_t slave_buffer_change_count = 0;
+uint8_t s_change_old = 0xff;
+
+SSTD_t transactions[] = {
+#define GET_SLAVE_STATUS 0
+    /* master buffer not changed, only recive slave_buffer_change_count */
+    { (uint8_t *)&status_com,
+      0, NULL,
+      sizeof(slave_buffer_change_count), &slave_buffer_change_count,
+    },
+#define PUT_MASTER_GET_SLAVE_STATUS 1
+    /* master buffer changed need send, and recive slave_buffer_change_count  */
+    { (uint8_t *)&status_com,
+      sizeof(serial_master_buffer), (uint8_t *)serial_master_buffer,
+      sizeof(slave_buffer_change_count), &slave_buffer_change_count,
+    },
+#define GET_SLAVE_BUFFER 2
+    /* recive serial_slave_buffer */
+    { (uint8_t *)&status1,
+      0, NULL,
+      sizeof(serial_slave_buffer), (uint8_t *)serial_slave_buffer
+    }
+};
+
+void serial_master_init(void)
+{
+    soft_serial_initiator_init(transactions);
+}
+
+void serial_slave_init(void)
+{
+    soft_serial_target_init(transactions);
+}
+
+// 0 => no error
+// 1 => slave did not respond
+// 2 => checksum error
+int serial_update_buffers(int master_update)
+{
+    int status;
+    static int need_retry = 0;
+    if( s_change_old != slave_buffer_change_count ) {
+	status = soft_serial_transaction(GET_SLAVE_BUFFER);
+	if( status == TRANSACTION_END )
+	    s_change_old = slave_buffer_change_count;
+    }
+    if( !master_update && !need_retry)
+	status = soft_serial_transaction(GET_SLAVE_STATUS);
+    else
+	status = soft_serial_transaction(PUT_MASTER_GET_SLAVE_STATUS);
+    need_retry = ( status == TRANSACTION_END ) ? 0 : 1;
+    return status;
+}
+
+#endif // SERIAL_USE_MULTI_TRANSACTION
+#endif /* USE_SERIAL */
@@ -0,0 +1,21 @@
+#pragma once
+
+#ifndef SERIAL_USE_MULTI_TRANSACTION
+/* --- USE Simple API (OLD API, compatible with let's split serial.c) --- */
+#include "serial.h"
+
+#else
+/* --- USE flexible API (using multi-type transaction function) --- */
+// Buffers for master - slave communication
+#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
+#define SERIAL_MASTER_BUFFER_LENGTH MATRIX_ROWS/2
+
+extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH];
+extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH];
+extern uint8_t slave_buffer_change_count;
+
+void serial_master_init(void);
+void serial_slave_init(void);
+int serial_update_buffers(int master_changed);
+
+#endif
@@ -7,12 +7,11 @@
 #include "split_util.h"
 #include "matrix.h"
 #include "keyboard.h"
-#include "config.h"

 #ifdef USE_MATRIX_I2C
 #  include "i2c.h"
 #else
-#  include "serial.h"
+#  include "split_scomm.h"
 #endif

 volatile bool isLeftHand = true;
@@ -1,5 +1,4 @@
-#ifndef SPLIT_KEYBOARD_UTIL_H
-#define SPLIT_KEYBOARD_UTIL_H
+#pragma once

 #include <stdbool.h>
 #include "eeconfig.h"
@@ -15,5 +14,3 @@ void split_keyboard_setup(void);
 bool has_usb(void);

 void matrix_master_OLED_init (void);
-
-#endif
@@ -1,7 +1,9 @@
-SRC += i2c.c \
-	   serial.c \
-	   split_util.c \
-	   ssd1306.c
+SRC += i2c.c
+SRC += serial.c
+SRC += ssd1306.c
+
+# if firmware size over limit, try this option
+# CFLAGS += -flto

 # MCU name
 #MCU = at90usb1287
@@ -63,7 +65,7 @@ MIDI_ENABLE = no            # MIDI controls
 AUDIO_ENABLE = no           # Audio output on port C6
 UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
-RGBLIGHT_ENABLE = no       # Enable WS2812 RGB underlight.  Do not enable this with audio at the same time.
+RGBLIGHT_ENABLE = no       # Enable WS2812 RGB underlight. 
 SUBPROJECT_rev1 = no
 USE_I2C = yes
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
@@ -9,36 +9,128 @@
 #include <avr/io.h>
 #include <avr/interrupt.h>
 #include <util/delay.h>
+#include <stddef.h>
 #include <stdbool.h>
 #include "serial.h"
+//#include <pro_micro.h>

 #ifdef USE_SERIAL

-// Serial pulse period in microseconds. Its probably a bad idea to lower this
-// value.
-#define SERIAL_DELAY 24
+#ifndef SERIAL_USE_MULTI_TRANSACTION
+/* --- USE Simple API (OLD API, compatible with let's split serial.c) */
+  #if SERIAL_SLAVE_BUFFER_LENGTH > 0
+  uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
+  #endif
+  #if SERIAL_MASTER_BUFFER_LENGTH > 0
+  uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
+  #endif
+  uint8_t volatile status0 = 0;

-uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
-uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
+SSTD_t transactions[] = {
+    { (uint8_t *)&status0,
+  #if SERIAL_MASTER_BUFFER_LENGTH > 0
+      sizeof(serial_master_buffer), (uint8_t *)serial_master_buffer,
+  #else
+      0, (uint8_t *)NULL,
+  #endif
+  #if SERIAL_SLAVE_BUFFER_LENGTH > 0
+      sizeof(serial_slave_buffer), (uint8_t *)serial_slave_buffer
+  #else
+      0, (uint8_t *)NULL,
+  #endif
+  }
+};

-#define SLAVE_DATA_CORRUPT (1<<0)
-volatile uint8_t status = 0;
+void serial_master_init(void)
+{ soft_serial_initiator_init(transactions); }
+
+void serial_slave_init(void)
+{ soft_serial_target_init(transactions); }
+
+// 0 => no error
+// 1 => slave did not respond
+// 2 => checksum error
+int serial_update_buffers()
+{ return soft_serial_transaction(); }
+
+#endif // Simple API (OLD API, compatible with let's split serial.c)
+
+#define ALWAYS_INLINE __attribute__((always_inline))
+#define NO_INLINE __attribute__((noinline))
+#define _delay_sub_us(x)    __builtin_avr_delay_cycles(x)
+
+// Serial pulse period in microseconds.
+#define TID_SEND_ADJUST 14
+
+#define SELECT_SERIAL_SPEED 1
+#if SELECT_SERIAL_SPEED == 0
+  // Very High speed
+  #define SERIAL_DELAY 4             // micro sec
+  #define READ_WRITE_START_ADJUST 33 // cycles
+  #define READ_WRITE_WIDTH_ADJUST 3 // cycles
+#elif SELECT_SERIAL_SPEED == 1
+  // High speed
+  #define SERIAL_DELAY 6             // micro sec
+  #define READ_WRITE_START_ADJUST 30 // cycles
+  #define READ_WRITE_WIDTH_ADJUST 3 // cycles
+#elif SELECT_SERIAL_SPEED == 2
+  // Middle speed
+  #define SERIAL_DELAY 12            // micro sec
+  #define READ_WRITE_START_ADJUST 30 // cycles
+  #define READ_WRITE_WIDTH_ADJUST 3 // cycles
+#elif SELECT_SERIAL_SPEED == 3
+  // Low speed
+  #define SERIAL_DELAY 24            // micro sec
+  #define READ_WRITE_START_ADJUST 30 // cycles
+  #define READ_WRITE_WIDTH_ADJUST 3 // cycles
+#elif SELECT_SERIAL_SPEED == 4
+  // Very Low speed
+  #define SERIAL_DELAY 50            // micro sec
+  #define READ_WRITE_START_ADJUST 30 // cycles
+  #define READ_WRITE_WIDTH_ADJUST 3 // cycles
+#else
+#error Illegal Serial Speed
+#endif
+
+
+#define SERIAL_DELAY_HALF1 (SERIAL_DELAY/2)
+#define SERIAL_DELAY_HALF2 (SERIAL_DELAY - SERIAL_DELAY/2)
+
+#define SLAVE_INT_WIDTH_US 1
+#ifndef SERIAL_USE_MULTI_TRANSACTION
+  #define SLAVE_INT_RESPONSE_TIME SERIAL_DELAY
+#else
+  #define SLAVE_INT_ACK_WIDTH_UNIT 2
+  #define SLAVE_INT_ACK_WIDTH 4
+#endif
+
+static SSTD_t *Transaction_table = NULL;

 inline static
 void serial_delay(void) {
  _delay_us(SERIAL_DELAY);
 }
-void serial_delay_short(void) {
-  _delay_us(SERIAL_DELAY-1);
+
+inline static
+void serial_delay_half1(void) {
+  _delay_us(SERIAL_DELAY_HALF1);
 }
+
+inline static
+void serial_delay_half2(void) {
+  _delay_us(SERIAL_DELAY_HALF2);
+}
+
+inline static void serial_output(void) ALWAYS_INLINE;
 inline static
 void serial_output(void) {
  SERIAL_PIN_DDR |= SERIAL_PIN_MASK;
 }

 // make the serial pin an input with pull-up resistor
+inline static void serial_input_with_pullup(void) ALWAYS_INLINE;
 inline static
-void serial_input(void) {
+void serial_input_with_pullup(void) {
  SERIAL_PIN_DDR  &= ~SERIAL_PIN_MASK;
  SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
 }
@@ -48,191 +140,305 @@ uint8_t serial_read_pin(void) {
  return !!(SERIAL_PIN_INPUT & SERIAL_PIN_MASK);
 }

+inline static void serial_low(void) ALWAYS_INLINE;
 inline static
 void serial_low(void) {
  SERIAL_PIN_PORT &= ~SERIAL_PIN_MASK;
 }

+inline static void serial_high(void) ALWAYS_INLINE;
 inline static
 void serial_high(void) {
  SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
 }

-void serial_master_init(void) {
-  serial_output();
-  serial_high();
+void soft_serial_initiator_init(SSTD_t *sstd_table)
+{
+    Transaction_table = sstd_table;
+    serial_output();
+    serial_high();
 }

-void serial_slave_init(void) {
-  serial_input();
+void soft_serial_target_init(SSTD_t *sstd_table)
+{
+    Transaction_table = sstd_table;
+    serial_input_with_pullup();

-#ifndef USE_SERIAL_PD2
-  // Enable INT0
-  EIMSK |= _BV(INT0);
-  // Trigger on falling edge of INT0
-  EICRA &= ~(_BV(ISC00) | _BV(ISC01));
+#if SERIAL_PIN_MASK == _BV(PD0)
+    // Enable INT0
+    EIMSK |= _BV(INT0);
+    // Trigger on falling edge of INT0
+    EICRA &= ~(_BV(ISC00) | _BV(ISC01));
+#elif SERIAL_PIN_MASK == _BV(PD2)
+    // Enable INT2
+    EIMSK |= _BV(INT2);
+    // Trigger on falling edge of INT2
+    EICRA &= ~(_BV(ISC20) | _BV(ISC21));
 #else
-  // Enable INT2
-  EIMSK |= _BV(INT2);
-  // Trigger on falling edge of INT2
-  EICRA &= ~(_BV(ISC20) | _BV(ISC21));
+ #error unknown SERIAL_PIN_MASK value
 #endif
 }

-// Used by the master to synchronize timing with the slave.
+// Used by the sender to synchronize timing with the reciver.
+static void sync_recv(void) NO_INLINE;
 static
 void sync_recv(void) {
-  serial_input();
-  // This shouldn't hang if the slave disconnects because the
-  // serial line will float to high if the slave does disconnect.
+  for (uint8_t i = 0; i < SERIAL_DELAY*5 && serial_read_pin(); i++ ) {
+  }
+  // This shouldn't hang if the target disconnects because the
+  // serial line will float to high if the target does disconnect.
  while (!serial_read_pin());
-  //serial_delay();
-  _delay_us(SERIAL_DELAY-5);
 }

-// Used by the slave to send a synchronization signal to the master.
+// Used by the reciver to send a synchronization signal to the sender.
+static void sync_send(void)NO_INLINE;
 static
 void sync_send(void) {
-  serial_output();
-
  serial_low();
  serial_delay();
-
  serial_high();
 }

 // Reads a byte from the serial line
-static
-uint8_t serial_read_byte(void) {
-  uint8_t byte = 0;
-  serial_input();
-  for ( uint8_t i = 0; i < 8; ++i) {
-    byte = (byte << 1) | serial_read_pin();
-    serial_delay();
-    _delay_us(1);
+static uint8_t serial_read_chunk(uint8_t *pterrcount, uint8_t bit) NO_INLINE;
+static uint8_t serial_read_chunk(uint8_t *pterrcount, uint8_t bit) {
+    uint8_t byte, i, p, pb;
+
+  _delay_sub_us(READ_WRITE_START_ADJUST);
+  for( i = 0, byte = 0, p = 0; i < bit; i++ ) {
+      serial_delay_half1();   // read the middle of pulses
+      if( serial_read_pin() ) {
+	  byte = (byte << 1) | 1; p ^= 1;
+      } else {
+	  byte = (byte << 1) | 0; p ^= 0;
+      }
+      _delay_sub_us(READ_WRITE_WIDTH_ADJUST);
+      serial_delay_half2();
  }
+  /* recive parity bit */
+  serial_delay_half1();   // read the middle of pulses
+  pb = serial_read_pin();
+  _delay_sub_us(READ_WRITE_WIDTH_ADJUST);
+  serial_delay_half2();
+
+  *pterrcount += (p != pb)? 1 : 0;

  return byte;
 }

 // Sends a byte with MSB ordering
-static
-void serial_write_byte(uint8_t data) {
-  uint8_t b = 8;
-  serial_output();
-  while( b-- ) {
-    if(data & (1 << b)) {
-      serial_high();
-    } else {
-      serial_low();
+void serial_write_chunk(uint8_t data, uint8_t bit) NO_INLINE;
+void serial_write_chunk(uint8_t data, uint8_t bit) {
+    uint8_t b, p;
+    for( p = 0, b = 1<<(bit-1); b ; b >>= 1) {
+	if(data & b) {
+	    serial_high(); p ^= 1;
+	} else {
+	    serial_low();  p ^= 0;
+	}
+	serial_delay();
    }
+    /* send parity bit */
+    if(p & 1) { serial_high(); }
+    else      { serial_low(); }
    serial_delay();
+
+    serial_low(); // sync_send() / senc_recv() need raise edge
+}
+
+static void serial_send_packet(uint8_t *buffer, uint8_t size) NO_INLINE;
+static
+void serial_send_packet(uint8_t *buffer, uint8_t size) {
+  for (uint8_t i = 0; i < size; ++i) {
+    uint8_t data;
+    data = buffer[i];
+    sync_send();
+    serial_write_chunk(data,8);
  }
 }

-// interrupt handle to be used by the slave device
+static uint8_t serial_recive_packet(uint8_t *buffer, uint8_t size) NO_INLINE;
+static
+uint8_t serial_recive_packet(uint8_t *buffer, uint8_t size) {
+  uint8_t pecount = 0;
+  for (uint8_t i = 0; i < size; ++i) {
+    uint8_t data;
+    sync_recv();
+    data = serial_read_chunk(&pecount, 8);
+    buffer[i] = data;
+  }
+  return pecount == 0;
+}
+
+inline static
+void change_sender2reciver(void) {
+    sync_send();          //0
+    serial_delay_half1(); //1
+    serial_low();         //2
+    serial_input_with_pullup(); //2
+    serial_delay_half1(); //3
+}
+
+inline static
+void change_reciver2sender(void) {
+    sync_recv();     //0
+    serial_delay();  //1
+    serial_low();    //3
+    serial_output(); //3
+    serial_delay_half1(); //4
+}
+
+// interrupt handle to be used by the target device
 ISR(SERIAL_PIN_INTERRUPT) {
-  sync_send();

-  uint8_t checksum = 0;
-  for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {
-    serial_write_byte(serial_slave_buffer[i]);
-    sync_send();
-    checksum += serial_slave_buffer[i];
-  }
-  serial_write_byte(checksum);
-  sync_send();
+#ifndef SERIAL_USE_MULTI_TRANSACTION
+  serial_low();
+  serial_output();
+  SSTD_t *trans = Transaction_table;
+#else
+  // recive transaction table index
+  uint8_t tid;
+  uint8_t pecount = 0;
+  sync_recv();
+  tid = serial_read_chunk(&pecount,4);
+  if(pecount> 0)
+      return;
+  serial_delay_half1();

-  // wait for the sync to finish sending
-  serial_delay();
+  serial_high(); // response step1 low->high
+  serial_output();
+  _delay_sub_us(SLAVE_INT_ACK_WIDTH_UNIT*SLAVE_INT_ACK_WIDTH);
+  SSTD_t *trans = &Transaction_table[tid];
+  serial_low(); // response step2 ack high->low
+#endif

-  // read the middle of pulses
-  _delay_us(SERIAL_DELAY/2);
+  // target send phase
+  if( trans->target2initiator_buffer_size > 0 )
+      serial_send_packet((uint8_t *)trans->target2initiator_buffer,
+			 trans->target2initiator_buffer_size);
+  // target switch to input
+  change_sender2reciver();

-  uint8_t checksum_computed = 0;
-  for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {
-    serial_master_buffer[i] = serial_read_byte();
-    sync_send();
-    checksum_computed += serial_master_buffer[i];
-  }
-  uint8_t checksum_received = serial_read_byte();
-  sync_send();
-
-  serial_input(); // end transaction
-
-  if ( checksum_computed != checksum_received ) {
-    status |= SLAVE_DATA_CORRUPT;
+  // target recive phase
+  if( trans->initiator2target_buffer_size > 0 ) {
+      if (serial_recive_packet((uint8_t *)trans->initiator2target_buffer,
+			       trans->initiator2target_buffer_size) ) {
+	  *trans->status = TRANSACTION_ACCEPTED;
+      } else {
+	  *trans->status = TRANSACTION_DATA_ERROR;
+      }
  } else {
-    status &= ~SLAVE_DATA_CORRUPT;
+      *trans->status = TRANSACTION_ACCEPTED;
  }
+
+  sync_recv(); //weit initiator output to high
 }

-inline
-bool serial_slave_DATA_CORRUPT(void) {
-  return status & SLAVE_DATA_CORRUPT;
-}
-
-// Copies the serial_slave_buffer to the master and sends the
-// serial_master_buffer to the slave.
+/////////
+//  start transaction by initiator
+//
+// int  soft_serial_transaction(int sstd_index)
 //
 // Returns:
-// 0 => no error
-// 1 => slave did not respond
-int serial_update_buffers(void) {
-  // this code is very time dependent, so we need to disable interrupts
+//    TRANSACTION_END
+//    TRANSACTION_NO_RESPONSE
+//    TRANSACTION_DATA_ERROR
+// this code is very time dependent, so we need to disable interrupts
+#ifndef SERIAL_USE_MULTI_TRANSACTION
+int  soft_serial_transaction(void) {
+  SSTD_t *trans = Transaction_table;
+#else
+int  soft_serial_transaction(int sstd_index) {
+  SSTD_t *trans = &Transaction_table[sstd_index];
+#endif
  cli();

-  // signal to the slave that we want to start a transaction
+  // signal to the target that we want to start a transaction
  serial_output();
  serial_low();
-  _delay_us(1);
+  _delay_us(SLAVE_INT_WIDTH_US);

-  // wait for the slaves response
-  serial_input();
-  serial_high();
-  _delay_us(SERIAL_DELAY);
+#ifndef SERIAL_USE_MULTI_TRANSACTION
+  // wait for the target response
+  serial_input_with_pullup();
+  _delay_us(SLAVE_INT_RESPONSE_TIME);

-  // check if the slave is present
+  // check if the target is present
  if (serial_read_pin()) {
-    // slave failed to pull the line low, assume not present
+    // target failed to pull the line low, assume not present
+    serial_output();
+    serial_high();
+    *trans->status = TRANSACTION_NO_RESPONSE;
    sei();
-    return 1;
+    return TRANSACTION_NO_RESPONSE;
  }

-  // if the slave is present syncronize with it
-  sync_recv();
+#else
+  // send transaction table index
+  sync_send();
+  _delay_sub_us(TID_SEND_ADJUST);
+  serial_write_chunk(sstd_index, 4);
+  serial_delay_half1();

-  uint8_t checksum_computed = 0;
-  // receive data from the slave
-  for (int i = 0; i < SERIAL_SLAVE_BUFFER_LENGTH; ++i) {
-    serial_slave_buffer[i] = serial_read_byte();
-    sync_recv();
-    checksum_computed += serial_slave_buffer[i];
-  }
-  uint8_t checksum_received = serial_read_byte();
-  sync_recv();
-
-  if (checksum_computed != checksum_received) {
-    sei();
-    return 2;
+  // wait for the target response (step1 low->high)
+  serial_input_with_pullup();
+  while( !serial_read_pin() ) {
+      _delay_sub_us(2);
  }

-  uint8_t checksum = 0;
-  // send data to the slave
-  for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {
-    serial_write_byte(serial_master_buffer[i]);
-    sync_recv();
-    checksum += serial_master_buffer[i];
+  // check if the target is present (step2 high->low)
+  for( int i = 0; serial_read_pin(); i++ ) {
+      if (i > SLAVE_INT_ACK_WIDTH + 1) {
+	  // slave failed to pull the line low, assume not present
+	  serial_output();
+	  serial_high();
+	  *trans->status = TRANSACTION_NO_RESPONSE;
+	  sei();
+	  return TRANSACTION_NO_RESPONSE;
+      }
+      _delay_sub_us(SLAVE_INT_ACK_WIDTH_UNIT);
+  }
+#endif
+
+  // initiator recive phase
+  // if the target is present syncronize with it
+  if( trans->target2initiator_buffer_size > 0 ) {
+      if (!serial_recive_packet((uint8_t *)trans->target2initiator_buffer,
+				trans->target2initiator_buffer_size) ) {
+	  serial_output();
+	  serial_high();
+	  *trans->status = TRANSACTION_DATA_ERROR;
+	  sei();
+	  return TRANSACTION_DATA_ERROR;
+      }
+   }
+
+  // initiator switch to output
+  change_reciver2sender();
+
+  // initiator send phase
+  if( trans->initiator2target_buffer_size > 0 ) {
+      serial_send_packet((uint8_t *)trans->initiator2target_buffer,
+			 trans->initiator2target_buffer_size);
  }
-  serial_write_byte(checksum);
-  sync_recv();

  // always, release the line when not in use
-  serial_output();
-  serial_high();
+  sync_send();

+  *trans->status = TRANSACTION_END;
  sei();
-  return 0;
+  return TRANSACTION_END;
 }

+#ifdef SERIAL_USE_MULTI_TRANSACTION
+int soft_serial_get_and_clean_status(int sstd_index) {
+    SSTD_t *trans = &Transaction_table[sstd_index];
+    cli();
+    int retval = *trans->status;
+    *trans->status = 0;;
+    sei();
+    return retval;
+}
+#endif
+
 #endif
@@ -1,32 +1,77 @@
-#ifndef MY_SERIAL_H
-#define MY_SERIAL_H
+#pragma once

-#include "config.h"
 #include <stdbool.h>

-/* TODO:  some defines for interrupt setup */
-#define SERIAL_PIN_DDR DDRD
-#define SERIAL_PIN_PORT PORTD
-#define SERIAL_PIN_INPUT PIND
+// /////////////////////////////////////////////////////////////////
+// Need Soft Serial defines in serial_config.h
+// /////////////////////////////////////////////////////////////////
+// ex.
+//  #define SERIAL_PIN_DDR DDRD
+//  #define SERIAL_PIN_PORT PORTD
+//  #define SERIAL_PIN_INPUT PIND
+//  #define SERIAL_PIN_MASK _BV(PD?)   ?=0,2
+//  #define SERIAL_PIN_INTERRUPT INT?_vect  ?=0,2
+//
+// //// USE Simple API (OLD API, compatible with let's split serial.c)
+// ex.
+//  #define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
+//  #define SERIAL_MASTER_BUFFER_LENGTH 1
+//
+// //// USE flexible API (using multi-type transaction function)
+//  #define SERIAL_USE_MULTI_TRANSACTION
+//
+// /////////////////////////////////////////////////////////////////

-#ifndef USE_SERIAL_PD2
-#define SERIAL_PIN_MASK _BV(PD0)
-#define SERIAL_PIN_INTERRUPT INT0_vect
-#else
-#define SERIAL_PIN_MASK _BV(PD2)
-#define SERIAL_PIN_INTERRUPT INT2_vect
-#endif

-#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
-#define SERIAL_MASTER_BUFFER_LENGTH MATRIX_ROWS/2
-
-// Buffers for master - slave communication
+#ifndef SERIAL_USE_MULTI_TRANSACTION
+/* --- USE Simple API (OLD API, compatible with let's split serial.c) */
+#if SERIAL_SLAVE_BUFFER_LENGTH > 0
 extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH];
+#endif
+#if SERIAL_MASTER_BUFFER_LENGTH > 0
 extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH];
+#endif

 void serial_master_init(void);
 void serial_slave_init(void);
 int serial_update_buffers(void);
-bool serial_slave_data_corrupt(void);

+#endif // USE Simple API
+
+// Soft Serial Transaction Descriptor
+typedef struct _SSTD_t  {
+    uint8_t *status;
+    uint8_t initiator2target_buffer_size;
+    uint8_t *initiator2target_buffer;
+    uint8_t target2initiator_buffer_size;
+    uint8_t *target2initiator_buffer;
+} SSTD_t;
+
+// initiator is transaction start side
+void soft_serial_initiator_init(SSTD_t *sstd_table);
+// target is interrupt accept side
+void soft_serial_target_init(SSTD_t *sstd_table);
+
+// initiator resullt
+#define TRANSACTION_END 0
+#define TRANSACTION_NO_RESPONSE 0x1
+#define TRANSACTION_DATA_ERROR  0x2
+#ifndef SERIAL_USE_MULTI_TRANSACTION
+int  soft_serial_transaction(void);
+#else
+int  soft_serial_transaction(int sstd_index);
+#endif
+
+// target status
+// *SSTD_t.status has
+//   initiator:
+//       TRANSACTION_END
+//    or TRANSACTION_NO_RESPONSE
+//    or TRANSACTION_DATA_ERROR
+//   target:
+//       TRANSACTION_DATA_ERROR
+//    or TRANSACTION_ACCEPTED
+#define TRANSACTION_ACCEPTED 0x4
+#ifdef SERIAL_USE_MULTI_TRANSACTION
+int  soft_serial_get_and_clean_status(int sstd_index);
 #endif
@@ -4,7 +4,6 @@
 #include "i2c.h"
 #include <string.h>
 #include "print.h"
-#include "glcdfont.c"
 #ifdef ADAFRUIT_BLE_ENABLE
 #include "adafruit_ble.h"
 #endif
@@ -14,6 +13,8 @@
 #include "sendchar.h"
 #include "timer.h"

+static const unsigned char font[] PROGMEM;
+
 // Set this to 1 to help diagnose early startup problems
 // when testing power-on with ble.  Turn it off otherwise,
 // as the latency of printing most of the debug info messes
@@ -123,6 +124,7 @@ static int8_t capture_sendchar(uint8_t c) {
 bool iota_gfx_init(bool rotate) {
  bool success = false;

+  i2c_master_init();
  send_cmd1(DisplayOff);
  send_cmd2(SetDisplayClockDiv, 0x80);
  send_cmd2(SetMultiPlex, DisplayHeight - 1);
@@ -1,10 +1,8 @@
-#ifndef SSD1306_H
-#define SSD1306_H
+#pragma once

 #include <stdbool.h>
 #include <stdio.h>
 #include "pincontrol.h"
-#include "config.h"

 enum ssd1306_cmds {
  DisplayOff = 0xAE,
@@ -88,7 +86,3 @@ void matrix_write(struct CharacterMatrix *matrix, const char *data);
 void matrix_write_ln(struct CharacterMatrix *matrix, const char *data);
 void matrix_write_P(struct CharacterMatrix *matrix, const char *data);
 void matrix_render(struct CharacterMatrix *matrix);
-
-
-
-#endif