diff --git a/keyboards/ai03/orbit/config.h b/keyboards/ai03/orbit/config.h
new file mode 100644
index 000000000..f4dc4fd63
--- /dev/null
+++ b/keyboards/ai03/orbit/config.h
@@ -0,0 +1,249 @@
+/*
+Copyright 2018 Ryota Goto
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see .
+*/
+
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID 0xA103
+#define PRODUCT_ID 0x0003
+#define DEVICE_VER 0x0003
+#define MANUFACTURER ai03 Keyboard Designs
+#define PRODUCT Orbit
+#define DESCRIPTION Split ergonomic keyboard
+
+/* key matrix size */
+#define MATRIX_ROWS 10 // Double rows for split keyboards. Orbit has 5, so define 10
+#define MATRIX_COLS 7
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * Change this to how you wired your keyboard
+ * COLS: AVR pins used for columns, left to right
+ * ROWS: AVR pins used for rows, top to bottom
+ * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
+ * ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
+ *
+*/
+#define MATRIX_ROW_PINS { F7, F6, F5, F4, D3 }
+#define MATRIX_COL_PINS { C7, B4, D7, D6, D4, F1, F0 }
+#define MATRIX_ROW_PINS_RIGHT { B6, B5, B4, D7, E6 }
+#define MATRIX_COL_PINS_RIGHT { D4, D6, F1, F0, F4, F5, C6 }
+
+#define SPLIT_HAND_PIN D5
+
+//#define USE_I2C
+
+#define SELECT_SOFT_SERIAL_SPEED 1
+
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL, or CUSTOM_MATRIX */
+#define DIODE_DIRECTION COL2ROW
+
+/*
+ * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
+ */
+#define SOFT_SERIAL_PIN D0 // or D1, D2, D3, E6
+
+#define BACKLIGHT_PIN B7
+// #define BACKLIGHT_BREATHING
+#define BACKLIGHT_LEVELS 3
+
+// #define RGB_DI_PIN E2
+// #ifdef RGB_DI_PIN
+// #define RGBLED_NUM 16
+// #define RGBLIGHT_HUE_STEP 8
+// #define RGBLIGHT_SAT_STEP 8
+// #define RGBLIGHT_VAL_STEP 8
+// #define RGBLIGHT_LIMIT_VAL 255 /* The maximum brightness level */
+// #define RGBLIGHT_SLEEP /* If defined, the RGB lighting will be switched off when the host goes to sleep */
+// /*== all animations enable ==*/
+// #define RGBLIGHT_ANIMATIONS
+// /*== or choose animations ==*/
+// #define RGBLIGHT_EFFECT_BREATHING
+// #define RGBLIGHT_EFFECT_RAINBOW_MOOD
+// #define RGBLIGHT_EFFECT_RAINBOW_SWIRL
+// #define RGBLIGHT_EFFECT_SNAKE
+// #define RGBLIGHT_EFFECT_KNIGHT
+// #define RGBLIGHT_EFFECT_CHRISTMAS
+// #define RGBLIGHT_EFFECT_STATIC_GRADIENT
+// #define RGBLIGHT_EFFECT_RGB_TEST
+// #define RGBLIGHT_EFFECT_ALTERNATING
+// #endif
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCING_DELAY 5
+
+/* define if matrix has ghost (lacks anti-ghosting diodes) */
+//#define MATRIX_HAS_GHOST
+
+/* number of backlight levels */
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+/* If defined, GRAVE_ESC will always act as ESC when CTRL is held.
+ * This is userful for the Windows task manager shortcut (ctrl+shift+esc).
+ */
+// #define GRAVE_ESC_CTRL_OVERRIDE
+
+/*
+ * Force NKRO
+ *
+ * Force NKRO (nKey Rollover) to be enabled by default, regardless of the saved
+ * state in the bootmagic EEPROM settings. (Note that NKRO must be enabled in the
+ * makefile for this to work.)
+ *
+ * If forced on, NKRO can be disabled via magic key (default = LShift+RShift+N)
+ * until the next keyboard reset.
+ *
+ * NKRO may prevent your keystrokes from being detected in the BIOS, but it is
+ * fully operational during normal computer usage.
+ *
+ * For a less heavy-handed approach, enable NKRO via magic key (LShift+RShift+N)
+ * or via bootmagic (hold SPACE+N while plugging in the keyboard). Once set by
+ * bootmagic, NKRO mode will always be enabled until it is toggled again during a
+ * power-up.
+ *
+ */
+//#define FORCE_NKRO
+
+/*
+ * Magic Key Options
+ *
+ * Magic keys are hotkey commands that allow control over firmware functions of
+ * the keyboard. They are best used in combination with the HID Listen program,
+ * found here: https://www.pjrc.com/teensy/hid_listen.html
+ *
+ * The options below allow the magic key functionality to be changed. This is
+ * useful if your keyboard/keypad is missing keys and you want magic key support.
+ *
+ */
+
+/* control how magic key switches layers */
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS true
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS true
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM false
+
+/* override magic key keymap */
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS
+//#define MAGIC_KEY_SWITCH_LAYER_WITH_CUSTOM
+//#define MAGIC_KEY_HELP1 H
+//#define MAGIC_KEY_HELP2 SLASH
+//#define MAGIC_KEY_DEBUG D
+//#define MAGIC_KEY_DEBUG_MATRIX X
+//#define MAGIC_KEY_DEBUG_KBD K
+//#define MAGIC_KEY_DEBUG_MOUSE M
+//#define MAGIC_KEY_VERSION V
+//#define MAGIC_KEY_STATUS S
+//#define MAGIC_KEY_CONSOLE C
+//#define MAGIC_KEY_LAYER0_ALT1 ESC
+//#define MAGIC_KEY_LAYER0_ALT2 GRAVE
+//#define MAGIC_KEY_LAYER0 0
+//#define MAGIC_KEY_LAYER1 1
+//#define MAGIC_KEY_LAYER2 2
+//#define MAGIC_KEY_LAYER3 3
+//#define MAGIC_KEY_LAYER4 4
+//#define MAGIC_KEY_LAYER5 5
+//#define MAGIC_KEY_LAYER6 6
+//#define MAGIC_KEY_LAYER7 7
+//#define MAGIC_KEY_LAYER8 8
+//#define MAGIC_KEY_LAYER9 9
+//#define MAGIC_KEY_BOOTLOADER PAUSE
+//#define MAGIC_KEY_LOCK CAPS
+//#define MAGIC_KEY_EEPROM E
+//#define MAGIC_KEY_NKRO N
+//#define MAGIC_KEY_SLEEP_LED Z
+
+/*
+ * Feature disable options
+ * These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+//#define NO_DEBUG
+
+/* disable print */
+//#define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT
+//#define NO_ACTION_MACRO
+//#define NO_ACTION_FUNCTION
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+ - MIDI notes can be sent when in Music mode is on
+*/
+//#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+ - MIDI notes can be added to the keymap
+ - Octave shift and transpose
+ - Virtual sustain, portamento, and modulation wheel
+ - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 1
+
+/*
+ * HD44780 LCD Display Configuration
+ */
+/*
+#define LCD_LINES 2 //< number of visible lines of the display
+#define LCD_DISP_LENGTH 16 //< visibles characters per line of the display
+
+#define LCD_IO_MODE 1 //< 0: memory mapped mode, 1: IO port mode
+
+#if LCD_IO_MODE
+#define LCD_PORT PORTB //< port for the LCD lines
+#define LCD_DATA0_PORT LCD_PORT //< port for 4bit data bit 0
+#define LCD_DATA1_PORT LCD_PORT //< port for 4bit data bit 1
+#define LCD_DATA2_PORT LCD_PORT //< port for 4bit data bit 2
+#define LCD_DATA3_PORT LCD_PORT //< port for 4bit data bit 3
+#define LCD_DATA0_PIN 4 //< pin for 4bit data bit 0
+#define LCD_DATA1_PIN 5 //< pin for 4bit data bit 1
+#define LCD_DATA2_PIN 6 //< pin for 4bit data bit 2
+#define LCD_DATA3_PIN 7 //< pin for 4bit data bit 3
+#define LCD_RS_PORT LCD_PORT //< port for RS line
+#define LCD_RS_PIN 3 //< pin for RS line
+#define LCD_RW_PORT LCD_PORT //< port for RW line
+#define LCD_RW_PIN 2 //< pin for RW line
+#define LCD_E_PORT LCD_PORT //< port for Enable line
+#define LCD_E_PIN 1 //< pin for Enable line
+#endif
+*/
+
+/* Bootmagic Lite key configuration */
+// #define BOOTMAGIC_LITE_ROW 0
+// #define BOOTMAGIC_LITE_COLUMN 0
diff --git a/keyboards/ai03/orbit/info.json b/keyboards/ai03/orbit/info.json
new file mode 100644
index 000000000..e69de29bb
diff --git a/keyboards/ai03/orbit/keymaps/default/keymap.c b/keyboards/ai03/orbit/keymaps/default/keymap.c
new file mode 100644
index 000000000..4c8c39fb0
--- /dev/null
+++ b/keyboards/ai03/orbit/keymaps/default/keymap.c
@@ -0,0 +1,91 @@
+/* Copyright 2018 Ryota Goto
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include QMK_KEYBOARD_H
+
+// Defines the keycodes used by our macros in process_record_user
+enum custom_keycodes {
+ MANUAL = SAFE_RANGE,
+ DBLZERO
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [0] = LAYOUT( /* Base */
+ TO(1), KC_ESC, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_LBRC, KC_BSPC, \
+ TO(1), KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_RBRC, KC_BSLS, \
+ KC_NO, KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT, \
+ KC_NO, KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_PSCR, KC_DEL, \
+ KC_LCTL, KC_LCTL, KC_LGUI, KC_LALT, MO(1), KC_SPC, KC_SPC, MO(2), KC_GRV, KC_MENU, KC_MINS, KC_EQL
+ ),
+ [1] = LAYOUT( /* Fn, Arrowkeys, Media control, Backlight */
+ TO(2), _______, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_VOLU, _______, \
+ TO(2), _______, _______, KC_PGUP, _______, _______, KC_F11, KC_F12, _______, KC_UP, _______, _______, KC_VOLD, BL_STEP, \
+ TO(0), _______, KC_HOME, KC_PGDN, KC_END, _______, _______, _______, KC_LEFT, KC_DOWN, KC_RGHT, _______, KC_MPLY, _______, \
+ TO(0), _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_INS, \
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+ ),
+ [2] = LAYOUT( /* Mousekeys and Numpad */
+ KC_NO, _______, _______, _______, _______, _______, _______, KC_NLCK, KC_P7, KC_P8, KC_P9, KC_PSLS, _______, _______, \
+ KC_NO, _______, KC_BTN1, KC_MS_U, KC_BTN2, KC_WH_U, _______, _______, KC_P4, KC_P5, KC_P6, KC_PAST, _______, _______, \
+ TO(1), _______, KC_MS_L, KC_MS_D, KC_MS_R, KC_WH_D, _______, _______, KC_P1, KC_P2, KC_P3, KC_PMNS, _______, _______, \
+ TO(1), _______, KC_ACL0, KC_ACL1, KC_ACL2, KC_BTN3, _______, DBLZERO, KC_P0, KC_PDOT, KC_PENT, KC_PPLS, _______, MANUAL, \
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+ )
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ switch (keycode) {
+ case MANUAL:
+ if (record->event.pressed)
+ {
+ // Keypress
+ SEND_STRING("https://kb.ai03.me/redir/orbit");
+ }
+ else
+ {
+ // Key release
+ }
+ break;
+ case DBLZERO:
+ if (record->event.pressed)
+ {
+ // Keypress
+ SEND_STRING("00");
+ }
+ else
+ {
+ // Key release
+ }
+ break;
+ }
+ return true;
+}
+
+void matrix_init_user(void) {
+
+}
+
+void matrix_scan_user(void) {
+
+}
+
+void led_set_user(uint8_t usb_led) {
+
+}
+
+uint32_t layer_state_set_user(uint32_t state) {
+
+ return state;
+}
diff --git a/keyboards/ai03/orbit/keymaps/default/readme.md b/keyboards/ai03/orbit/keymaps/default/readme.md
new file mode 100644
index 000000000..63c528abf
--- /dev/null
+++ b/keyboards/ai03/orbit/keymaps/default/readme.md
@@ -0,0 +1,3 @@
+# The default keymap for Orbit
+
+[KLE of layout](http://www.keyboard-layout-editor.com/#/gists/53ebf59524de12515cb7e2e6de94f0d6)
\ No newline at end of file
diff --git a/keyboards/ai03/orbit/matrix.c b/keyboards/ai03/orbit/matrix.c
new file mode 100644
index 000000000..a1509666c
--- /dev/null
+++ b/keyboards/ai03/orbit/matrix.c
@@ -0,0 +1,328 @@
+/*
+Copyright 2012 Jun Wako
+
+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 .
+*/
+
+/*
+ * scan matrix
+ */
+#include
+#include
+#include "wait.h"
+#include "util.h"
+#include "matrix.h"
+#include "split_util.h"
+#include "config.h"
+#include "split_flags.h"
+#include "quantum.h"
+#include "debounce.h"
+#include "transport.h"
+
+#if (MATRIX_COLS <= 8)
+# define print_matrix_header() print("\nr/c 01234567\n")
+# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))
+# define matrix_bitpop(i) bitpop(matrix[i])
+# define ROW_SHIFTER ((uint8_t)1)
+#elif (MATRIX_COLS <= 16)
+# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n")
+# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row))
+# define matrix_bitpop(i) bitpop16(matrix[i])
+# define ROW_SHIFTER ((uint16_t)1)
+#elif (MATRIX_COLS <= 32)
+# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
+# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row))
+# define matrix_bitpop(i) bitpop32(matrix[i])
+# define ROW_SHIFTER ((uint32_t)1)
+#endif
+
+#define ERROR_DISCONNECT_COUNT 5
+
+//#define ROWS_PER_HAND (MATRIX_ROWS / 2)
+
+#ifdef DIRECT_PINS
+static pin_t direct_pins[MATRIX_ROWS][MATRIX_COLS] = DIRECT_PINS;
+#else
+static pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
+static pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
+#endif
+
+/* matrix state(1:on, 0:off) */
+static matrix_row_t matrix[MATRIX_ROWS];
+static matrix_row_t raw_matrix[ROWS_PER_HAND];
+
+// row offsets for each hand
+uint8_t thisHand, thatHand;
+
+// user-defined overridable functions
+
+__attribute__((weak)) void matrix_init_kb(void) { matrix_init_user(); }
+
+__attribute__((weak)) void matrix_scan_kb(void) { matrix_scan_user(); }
+
+__attribute__((weak)) void matrix_init_user(void) {}
+
+__attribute__((weak)) void matrix_scan_user(void) {}
+
+__attribute__((weak)) void matrix_slave_scan_user(void) {}
+
+// helper functions
+
+inline uint8_t matrix_rows(void) { return MATRIX_ROWS; }
+
+inline uint8_t matrix_cols(void) { return MATRIX_COLS; }
+
+bool matrix_is_modified(void) {
+ if (debounce_active()) return false;
+ return true;
+}
+
+inline bool matrix_is_on(uint8_t row, uint8_t col) { return (matrix[row] & ((matrix_row_t)1 << col)); }
+
+inline matrix_row_t matrix_get_row(uint8_t row) { return matrix[row]; }
+
+void matrix_print(void) {
+ print_matrix_header();
+
+ for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+ phex(row);
+ print(": ");
+ print_matrix_row(row);
+ print("\n");
+ }
+}
+
+uint8_t matrix_key_count(void) {
+ uint8_t count = 0;
+ for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+ count += matrix_bitpop(i);
+ }
+ return count;
+}
+
+// matrix code
+
+#ifdef DIRECT_PINS
+
+static void init_pins(void) {
+ for (int row = 0; row < MATRIX_ROWS; row++) {
+ for (int col = 0; col < MATRIX_COLS; col++) {
+ pin_t pin = direct_pins[row][col];
+ if (pin != NO_PIN) {
+ setPinInputHigh(pin);
+ }
+ }
+ }
+}
+
+static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
+ matrix_row_t last_row_value = current_matrix[current_row];
+ current_matrix[current_row] = 0;
+
+ for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
+ pin_t pin = direct_pins[current_row][col_index];
+ if (pin != NO_PIN) {
+ current_matrix[current_row] |= readPin(pin) ? 0 : (ROW_SHIFTER << col_index);
+ }
+ }
+
+ return (last_row_value != current_matrix[current_row]);
+}
+
+#elif (DIODE_DIRECTION == COL2ROW)
+
+static void select_row(uint8_t row) {
+ setPinOutput(row_pins[row]);
+ writePinLow(row_pins[row]);
+}
+
+static void unselect_row(uint8_t row) { setPinInputHigh(row_pins[row]); }
+
+static void unselect_rows(void) {
+ for (uint8_t x = 0; x < ROWS_PER_HAND; x++) {
+ setPinInputHigh(row_pins[x]);
+ }
+}
+
+static void init_pins(void) {
+ unselect_rows();
+ for (uint8_t x = 0; x < MATRIX_COLS; x++) {
+ setPinInputHigh(col_pins[x]);
+ }
+}
+
+static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
+ // Store last value of row prior to reading
+ matrix_row_t last_row_value = current_matrix[current_row];
+
+ // Clear data in matrix row
+ current_matrix[current_row] = 0;
+
+ // Select row and wait for row selecton to stabilize
+ select_row(current_row);
+ wait_us(30);
+
+ // For each col...
+ for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
+ // Populate the matrix row with the state of the col pin
+ current_matrix[current_row] |= readPin(col_pins[col_index]) ? 0 : (ROW_SHIFTER << col_index);
+ }
+
+ // Unselect row
+ unselect_row(current_row);
+
+ return (last_row_value != current_matrix[current_row]);
+}
+
+#elif (DIODE_DIRECTION == ROW2COL)
+
+static void select_col(uint8_t col) {
+ setPinOutput(col_pins[col]);
+ writePinLow(col_pins[col]);
+}
+
+static void unselect_col(uint8_t col) { setPinInputHigh(col_pins[col]); }
+
+static void unselect_cols(void) {
+ for (uint8_t x = 0; x < MATRIX_COLS; x++) {
+ setPinInputHigh(col_pins[x]);
+ }
+}
+
+static void init_pins(void) {
+ unselect_cols();
+ for (uint8_t x = 0; x < ROWS_PER_HAND; x++) {
+ setPinInputHigh(row_pins[x]);
+ }
+}
+
+static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) {
+ bool matrix_changed = false;
+
+ // Select col and wait for col selecton to stabilize
+ select_col(current_col);
+ wait_us(30);
+
+ // For each row...
+ for (uint8_t row_index = 0; row_index < ROWS_PER_HAND; row_index++) {
+ // Store last value of row prior to reading
+ matrix_row_t last_row_value = current_matrix[row_index];
+
+ // Check row pin state
+ if (readPin(row_pins[row_index])) {
+ // Pin HI, clear col bit
+ current_matrix[row_index] &= ~(ROW_SHIFTER << current_col);
+ } else {
+ // Pin LO, set col bit
+ current_matrix[row_index] |= (ROW_SHIFTER << current_col);
+ }
+
+ // Determine if the matrix changed state
+ if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) {
+ matrix_changed = true;
+ }
+ }
+
+ // Unselect col
+ unselect_col(current_col);
+
+ return matrix_changed;
+}
+
+#endif
+
+void matrix_init(void) {
+ debug_enable = true;
+ debug_matrix = true;
+ debug_mouse = true;
+
+ // Set pinout for right half if pinout for that half is defined
+ if (!isLeftHand) {
+#ifdef MATRIX_ROW_PINS_RIGHT
+ const uint8_t row_pins_right[MATRIX_ROWS] = MATRIX_ROW_PINS_RIGHT;
+ for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+ row_pins[i] = row_pins_right[i];
+ }
+#endif
+#ifdef MATRIX_COL_PINS_RIGHT
+ const uint8_t col_pins_right[MATRIX_COLS] = MATRIX_COL_PINS_RIGHT;
+ for (uint8_t i = 0; i < MATRIX_COLS; i++) {
+ col_pins[i] = col_pins_right[i];
+ }
+#endif
+ }
+
+ thisHand = isLeftHand ? 0 : (ROWS_PER_HAND);
+ thatHand = ROWS_PER_HAND - thisHand;
+
+ // initialize key pins
+ init_pins();
+
+ // initialize matrix state: all keys off
+ for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+ matrix[i] = 0;
+ }
+
+ debounce_init(ROWS_PER_HAND);
+
+ matrix_init_quantum();
+}
+
+uint8_t _matrix_scan(void) {
+ bool changed = false;
+
+#if defined(DIRECT_PINS) || (DIODE_DIRECTION == COL2ROW)
+ // Set row, read cols
+ for (uint8_t current_row = 0; current_row < ROWS_PER_HAND; current_row++) {
+ changed |= read_cols_on_row(raw_matrix, current_row);
+ }
+#elif (DIODE_DIRECTION == ROW2COL)
+ // Set col, read rows
+ for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
+ changed |= read_rows_on_col(raw_matrix, current_col);
+ }
+#endif
+
+ debounce(raw_matrix, matrix + thisHand, ROWS_PER_HAND, changed);
+
+ return 1;
+}
+
+uint8_t matrix_scan(void) {
+ uint8_t ret = _matrix_scan();
+
+ if (is_keyboard_master()) {
+ static uint8_t error_count;
+
+ if (!transport_master(matrix + thatHand)) {
+ error_count++;
+
+ if (error_count > ERROR_DISCONNECT_COUNT) {
+ // reset other half if disconnected
+ for (int i = 0; i < ROWS_PER_HAND; ++i) {
+ matrix[thatHand + i] = 0;
+ }
+ }
+ } else {
+ error_count = 0;
+ }
+
+ matrix_scan_quantum();
+ } else {
+ transport_slave(matrix + thisHand);
+ matrix_slave_scan_user();
+ }
+
+ return ret;
+}
diff --git a/keyboards/ai03/orbit/matrix.h b/keyboards/ai03/orbit/matrix.h
new file mode 100644
index 000000000..c2bdd3098
--- /dev/null
+++ b/keyboards/ai03/orbit/matrix.h
@@ -0,0 +1,3 @@
+#pragma once
+
+#include
diff --git a/keyboards/ai03/orbit/orbit.c b/keyboards/ai03/orbit/orbit.c
new file mode 100644
index 000000000..2f149875b
--- /dev/null
+++ b/keyboards/ai03/orbit/orbit.c
@@ -0,0 +1,228 @@
+/* Copyright 2018 Ryota Goto
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ */
+#include "orbit.h"
+#include "split_util.h"
+#include "transport.h"
+
+
+// Call led_toggle to set LEDs easily
+// LED IDs:
+//
+// (LEFT) 0 1 2 | 3 4 5 (RIGHT)
+
+void led_toggle(int id, bool on) {
+
+ if (isLeftHand) {
+ switch(id) {
+ case 0:
+ // Left hand C6
+ if (on)
+ //PORTC |= (1<<6);
+ writePinHigh(C6);
+ else
+ //PORTC &= ~(1<<6);
+ writePinLow(C6);
+ break;
+ case 1:
+ // Left hand B6
+ if (on)
+ //PORTB |= (1<<6);
+ writePinHigh(B6);
+ else
+ //PORTB &= ~(1<<6);
+ writePinLow(B6);
+ break;
+ case 2:
+ // Left hand B5
+ if (on)
+ //PORTB |= (1<<5);
+ writePinHigh(B5);
+ else
+ //PORTB &= ~(1<<5);
+ writePinLow(B5);
+ break;
+ default:
+ break;
+ }
+ } else {
+ switch(id) {
+ case 3:
+ // Right hand F6
+ if (on)
+ //PORTF |= (1<<6);
+ writePinHigh(F6);
+ else
+ //PORTF &= ~(1<<6);
+ writePinLow(F6);
+ break;
+ case 4:
+ // Right hand F7
+ if (on)
+ //PORTF |= (1<<7);
+ writePinHigh(F7);
+ else
+ //PORTF &= ~(1<<7);
+ writePinLow(F7);
+ break;
+ case 5:
+ // Right hand C7
+ if (on)
+ //PORTC |= (1<<7);
+ writePinHigh(C7);
+ else
+ //PORTC &= ~(1<<7);
+ writePinLow(C7);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+// Set all LEDs at once using an array of 6 booleans
+// LED IDs:
+//
+// (LEFT) 0 1 2 | 3 4 5 (RIGHT)
+//
+// Ex. set_all_leds({ false, false, false, true, true, true }) would turn off left hand, turn on right hand
+
+void set_all_leds(bool leds[6]) {
+ for (int i = 0; i < 6; i++) {
+ led_toggle(i, leds[i]);
+ }
+}
+
+void set_layer_indicators(uint8_t layer) {
+
+ switch (layer)
+ {
+ case 0:
+ led_toggle(0, true);
+ led_toggle(1, false);
+ led_toggle(2, false);
+ break;
+ case 1:
+ led_toggle(0, true);
+ led_toggle(1, true);
+ led_toggle(2, false);
+ break;
+ case 2:
+ led_toggle(0, true);
+ led_toggle(1, true);
+ led_toggle(2, true);
+ break;
+ case 3:
+ led_toggle(0, false);
+ led_toggle(1, true);
+ led_toggle(2, true);
+ break;
+ case 4:
+ led_toggle(0, false);
+ led_toggle(1, false);
+ led_toggle(2, true);
+ break;
+ default:
+ led_toggle(0, true);
+ led_toggle(1, false);
+ led_toggle(2, true);
+ break;
+ }
+
+}
+
+void matrix_init_kb(void) {
+ // put your keyboard start-up code here
+ // runs once when the firmware starts up
+
+ // Initialize indicator LEDs to output
+ if (isLeftHand)
+ {
+ setPinOutput(C6);
+ setPinOutput(B6);
+ setPinOutput(B5);
+ //DDRC |= (1<<6);
+ //DDRB |= (1<<6);
+ //DDRB |= (1<<5);
+ }
+ else
+ {
+ setPinOutput(F6);
+ setPinOutput(F7);
+ setPinOutput(C7);
+ //DDRF |= (1<<6);
+ //DDRF |= (1<<7);
+ //DDRC |= (1<<7);
+ }
+
+ set_layer_indicators(0);
+
+ matrix_init_user();
+}
+
+void matrix_scan_kb(void) {
+ // put your looping keyboard code here
+ // runs every cycle (a lot)
+
+ matrix_scan_user();
+}
+
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+ // put your per-action keyboard code here
+ // runs for every action, just before processing by the firmware
+
+ return process_record_user(keycode, record);
+}
+
+void led_set_kb(uint8_t usb_led) {
+ // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
+
+ if (is_keyboard_master()) {
+
+ serial_m2s_buffer.nlock_led = IS_LED_ON(usb_led, USB_LED_NUM_LOCK);
+ serial_m2s_buffer.clock_led = IS_LED_ON(usb_led, USB_LED_CAPS_LOCK);
+ serial_m2s_buffer.slock_led = IS_LED_ON(usb_led, USB_LED_SCROLL_LOCK);
+
+ led_toggle(3, IS_LED_ON(usb_led, USB_LED_NUM_LOCK));
+ led_toggle(4, IS_LED_ON(usb_led, USB_LED_CAPS_LOCK));
+ led_toggle(5, IS_LED_ON(usb_led, USB_LED_SCROLL_LOCK));
+
+ }
+
+ led_set_user(usb_led);
+}
+
+uint32_t layer_state_set_kb(uint32_t state) {
+
+ if (is_keyboard_master())
+ {
+
+ current_layer = biton32(state);
+ serial_m2s_buffer.current_layer = biton32(state);
+
+ // If left half, do the LED toggle thing
+ if (isLeftHand)
+ {
+ set_layer_indicators(biton32(state));
+ }
+
+ }
+ // NOTE: Do not set slave LEDs here.
+ // This is not called on slave
+
+ return layer_state_set_user(state);
+}
+
+
diff --git a/keyboards/ai03/orbit/orbit.h b/keyboards/ai03/orbit/orbit.h
new file mode 100644
index 000000000..211b9ebca
--- /dev/null
+++ b/keyboards/ai03/orbit/orbit.h
@@ -0,0 +1,65 @@
+/* Copyright 2018 Ryota Goto
+ *
+ * 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 .
+ */
+#ifndef ORBIT_H
+#define ORBIT_H
+
+#include "quantum.h"
+
+/* This a shortcut to help you visually see your layout.
+ *
+ * The first section contains all of the arguments representing the physical
+ * layout of the board and position of the keys.
+ *
+ * The second converts the arguments into a two-dimensional array which
+ * represents the switch matrix.
+ */
+
+#ifdef USE_I2C
+#include
+#ifdef __AVR__
+ #include
+ #include
+#endif
+#endif
+
+
+#define LAYOUT( \
+ L00, L01, L02, L03, L04, L05, L06, R00, R01, R02, R03, R04, R05, R06, \
+ L10, L11, L12, L13, L14, L15, L16, R10, R11, R12, R13, R14, R15, R16, \
+ L20, L21, L22, L23, L24, L25, L26, R20, R21, R22, R23, R24, R25, R26, \
+ L30, L31, L32, L33, L34, L35, L36, R30, R31, R32, R33, R34, R35, R36, \
+ L41, L42, L43, L44, L45, L46, R40, R41, R42, R43, R44, R45 \
+) \
+{ \
+ { L00, L01, L02, L03, L04, L05, L06 }, \
+ { L10, L11, L12, L13, L14, L15, L16 }, \
+ { L20, L21, L22, L23, L24, L25, L26 }, \
+ { L30, L31, L32, L33, L34, L35, L36 }, \
+ { KC_NO, L41, L42, L43, L44, L45, L46 }, \
+ { R00, R01, R02, R03, R04, R05, R06 }, \
+ { R10, R11, R12, R13, R14, R15, R16 }, \
+ { R20, R21, R22, R23, R24, R25, R26 }, \
+ { R30, R31, R32, R33, R34, R35, R36 }, \
+ { R40, R41, R42, R43, R44, R45, KC_NO } \
+}
+
+uint8_t current_layer;
+
+extern void led_toggle(int id, bool on);
+void set_all_leds(bool leds[6]);
+extern void set_layer_indicators(uint8_t layer);
+
+#endif
diff --git a/keyboards/ai03/orbit/readme.md b/keyboards/ai03/orbit/readme.md
new file mode 100644
index 000000000..58ba2079d
--- /dev/null
+++ b/keyboards/ai03/orbit/readme.md
@@ -0,0 +1,15 @@
+# Orbit
+
+
+
+A split ergonomic keyboard project.
+
+Keyboard Maintainer: [ai03](https://github.com/ai03-2725)
+Hardware Supported: The [Orbit PCB](https://github.com/ai03-2725/Orbit)
+Hardware Availability: [This repository](https://github.com/ai03-2725/Orbit) has PCB files. Case group buy orders are currently closed.
+
+Make example for this keyboard (after setting up your build environment):
+
+ make ai03/orbit:default
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
diff --git a/keyboards/ai03/orbit/rules.mk b/keyboards/ai03/orbit/rules.mk
new file mode 100644
index 000000000..4b40e47cb
--- /dev/null
+++ b/keyboards/ai03/orbit/rules.mk
@@ -0,0 +1,92 @@
+SRC += split_util.c \
+ split_flags.c \
+ serial.c \
+ transport.c \
+ matrix.c
+
+# MCU name
+#MCU = at90usb1286
+MCU = atmega32u4
+
+# Processor frequency.
+# This will define a symbol, F_CPU, in all source code files equal to the
+# processor frequency in Hz. You can then use this symbol in your source code to
+# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
+# automatically to create a 32-bit value in your source code.
+#
+# This will be an integer division of F_USB below, as it is sourced by
+# F_USB after it has run through any CPU prescalers. Note that this value
+# does not *change* the processor frequency - it should merely be updated to
+# reflect the processor speed set externally so that the code can use accurate
+# software delays.
+F_CPU = 16000000
+
+
+#
+# LUFA specific
+#
+# Target architecture (see library "Board Types" documentation).
+ARCH = AVR8
+
+# Input clock frequency.
+# This will define a symbol, F_USB, in all source code files equal to the
+# input clock frequency (before any prescaling is performed) in Hz. This value may
+# differ from F_CPU if prescaling is used on the latter, and is required as the
+# raw input clock is fed directly to the PLL sections of the AVR for high speed
+# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
+# at the end, this will be done automatically to create a 32-bit value in your
+# source code.
+#
+# If no clock division is performed on the input clock inside the AVR (via the
+# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
+F_USB = $(F_CPU)
+
+# Interrupt driven control endpoint task(+60)
+OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
+
+
+# Bootloader selection
+# Teensy halfkay
+# Pro Micro caterina
+# Atmel DFU atmel-dfu
+# LUFA DFU lufa-dfu
+# QMK DFU qmk-dfu
+# atmega32a bootloadHID
+BOOTLOADER = atmel-dfu
+
+
+# If you don't know the bootloader type, then you can specify the
+# Boot Section Size in *bytes* by uncommenting out the OPT_DEFS line
+# Teensy halfKay 512
+# Teensy++ halfKay 1024
+# Atmel DFU loader 4096
+# LUFA bootloader 4096
+# USBaspLoader 2048
+# OPT_DEFS += -DBOOTLOADER_SIZE=4096
+
+
+# Build Options
+# change yes to no to disable
+#
+BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration(+1000)
+MOUSEKEY_ENABLE = yes # 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
+# 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 this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = yes # USB Nkey Rollover
+BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality on B7 by default
+RGBLIGHT_ENABLE = no # Enable keyboard RGB underglow
+MIDI_ENABLE = no # MIDI support (+2400 to 4200, depending on config)
+UNICODE_ENABLE = no # Unicode
+BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
+AUDIO_ENABLE = no # Audio output on port C6
+FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
+HD44780_ENABLE = no # Enable support for HD44780 based LCDs (+400)
+USE_I2C = no # I2C for split communication
+CUSTOM_MATRIX = yes # For providing custom matrix.c (in this case, override regular matrix.c with split matrix.c)
+# SPLIT_KEYBOARD = yes # Split keyboard flag disabled as manual edits had to be done to the split common files
+
+
diff --git a/keyboards/ai03/orbit/serial.c b/keyboards/ai03/orbit/serial.c
new file mode 100644
index 000000000..1315377a3
--- /dev/null
+++ b/keyboards/ai03/orbit/serial.c
@@ -0,0 +1,546 @@
+/*
+ * WARNING: be careful changing this code, it is very timing dependent
+ *
+ * 2018-10-28 checked
+ * avr-gcc 4.9.2
+ * avr-gcc 5.4.0
+ * avr-gcc 7.3.0
+ */
+
+#ifndef F_CPU
+#define F_CPU 16000000
+#endif
+
+#include
+#include
+#include
+#include
+#include
+#include "serial.h"
+//#include
+
+#ifdef SOFT_SERIAL_PIN
+
+#ifdef __AVR_ATmega32U4__
+ // if using ATmega32U4 I2C, can not use PD0 and PD1 in soft serial.
+ #ifdef USE_AVR_I2C
+ #if SOFT_SERIAL_PIN == D0 || SOFT_SERIAL_PIN == D1
+ #error Using ATmega32U4 I2C, so can not use PD0, PD1
+ #endif
+ #endif
+
+ #if SOFT_SERIAL_PIN >= D0 && SOFT_SERIAL_PIN <= D3
+ #define SERIAL_PIN_DDR DDRD
+ #define SERIAL_PIN_PORT PORTD
+ #define SERIAL_PIN_INPUT PIND
+ #if SOFT_SERIAL_PIN == D0
+ #define SERIAL_PIN_MASK _BV(PD0)
+ #define EIMSK_BIT _BV(INT0)
+ #define EICRx_BIT (~(_BV(ISC00) | _BV(ISC01)))
+ #define SERIAL_PIN_INTERRUPT INT0_vect
+ #elif SOFT_SERIAL_PIN == D1
+ #define SERIAL_PIN_MASK _BV(PD1)
+ #define EIMSK_BIT _BV(INT1)
+ #define EICRx_BIT (~(_BV(ISC10) | _BV(ISC11)))
+ #define SERIAL_PIN_INTERRUPT INT1_vect
+ #elif SOFT_SERIAL_PIN == D2
+ #define SERIAL_PIN_MASK _BV(PD2)
+ #define EIMSK_BIT _BV(INT2)
+ #define EICRx_BIT (~(_BV(ISC20) | _BV(ISC21)))
+ #define SERIAL_PIN_INTERRUPT INT2_vect
+ #elif SOFT_SERIAL_PIN == D3
+ #define SERIAL_PIN_MASK _BV(PD3)
+ #define EIMSK_BIT _BV(INT3)
+ #define EICRx_BIT (~(_BV(ISC30) | _BV(ISC31)))
+ #define SERIAL_PIN_INTERRUPT INT3_vect
+ #endif
+ #elif SOFT_SERIAL_PIN == E6
+ #define SERIAL_PIN_DDR DDRE
+ #define SERIAL_PIN_PORT PORTE
+ #define SERIAL_PIN_INPUT PINE
+ #define SERIAL_PIN_MASK _BV(PE6)
+ #define EIMSK_BIT _BV(INT6)
+ #define EICRx_BIT (~(_BV(ISC60) | _BV(ISC61)))
+ #define SERIAL_PIN_INTERRUPT INT6_vect
+ #else
+ #error invalid SOFT_SERIAL_PIN value
+ #endif
+
+#else
+ #error serial.c now support ATmega32U4 only
+#endif
+
+#define ALWAYS_INLINE __attribute__((always_inline))
+#define NO_INLINE __attribute__((noinline))
+#define _delay_sub_us(x) __builtin_avr_delay_cycles(x)
+
+// parity check
+#define ODD_PARITY 1
+#define EVEN_PARITY 0
+#define PARITY EVEN_PARITY
+
+#ifdef SERIAL_DELAY
+ // custom setup in config.h
+ // #define TID_SEND_ADJUST 2
+ // #define SERIAL_DELAY 6 // micro sec
+ // #define READ_WRITE_START_ADJUST 30 // cycles
+ // #define READ_WRITE_WIDTH_ADJUST 8 // cycles
+#else
+// ============ Standard setups ============
+
+#ifndef SELECT_SOFT_SERIAL_SPEED
+#define SELECT_SOFT_SERIAL_SPEED 1
+// 0: about 189kbps (Experimental only)
+// 1: about 137kbps (default)
+// 2: about 75kbps
+// 3: about 39kbps
+// 4: about 26kbps
+// 5: about 20kbps
+#endif
+
+#if __GNUC__ < 6
+ #define TID_SEND_ADJUST 14
+#else
+ #define TID_SEND_ADJUST 2
+#endif
+
+#if SELECT_SOFT_SERIAL_SPEED == 0
+ // Very High speed
+ #define SERIAL_DELAY 4 // micro sec
+ #if __GNUC__ < 6
+ #define READ_WRITE_START_ADJUST 33 // cycles
+ #define READ_WRITE_WIDTH_ADJUST 3 // cycles
+ #else
+ #define READ_WRITE_START_ADJUST 34 // cycles
+ #define READ_WRITE_WIDTH_ADJUST 7 // cycles
+ #endif
+#elif SELECT_SOFT_SERIAL_SPEED == 1
+ // High speed
+ #define SERIAL_DELAY 6 // micro sec
+ #if __GNUC__ < 6
+ #define READ_WRITE_START_ADJUST 30 // cycles
+ #define READ_WRITE_WIDTH_ADJUST 3 // cycles
+ #else
+ #define READ_WRITE_START_ADJUST 33 // cycles
+ #define READ_WRITE_WIDTH_ADJUST 7 // cycles
+ #endif
+#elif SELECT_SOFT_SERIAL_SPEED == 2
+ // Middle speed
+ #define SERIAL_DELAY 12 // micro sec
+ #define READ_WRITE_START_ADJUST 30 // cycles
+ #if __GNUC__ < 6
+ #define READ_WRITE_WIDTH_ADJUST 3 // cycles
+ #else
+ #define READ_WRITE_WIDTH_ADJUST 7 // cycles
+ #endif
+#elif SELECT_SOFT_SERIAL_SPEED == 3
+ // Low speed
+ #define SERIAL_DELAY 24 // micro sec
+ #define READ_WRITE_START_ADJUST 30 // cycles
+ #if __GNUC__ < 6
+ #define READ_WRITE_WIDTH_ADJUST 3 // cycles
+ #else
+ #define READ_WRITE_WIDTH_ADJUST 7 // cycles
+ #endif
+#elif SELECT_SOFT_SERIAL_SPEED == 4
+ // Very Low speed
+ #define SERIAL_DELAY 36 // micro sec
+ #define READ_WRITE_START_ADJUST 30 // cycles
+ #if __GNUC__ < 6
+ #define READ_WRITE_WIDTH_ADJUST 3 // cycles
+ #else
+ #define READ_WRITE_WIDTH_ADJUST 7 // cycles
+ #endif
+#elif SELECT_SOFT_SERIAL_SPEED == 5
+ // Ultra Low speed
+ #define SERIAL_DELAY 48 // micro sec
+ #define READ_WRITE_START_ADJUST 30 // cycles
+ #if __GNUC__ < 6
+ #define READ_WRITE_WIDTH_ADJUST 3 // cycles
+ #else
+ #define READ_WRITE_WIDTH_ADJUST 7 // cycles
+ #endif
+#else
+#error invalid SELECT_SOFT_SERIAL_SPEED value
+#endif /* SELECT_SOFT_SERIAL_SPEED */
+#endif /* SERIAL_DELAY */
+
+#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;
+static uint8_t Transaction_table_size = 0;
+
+inline static void serial_delay(void) ALWAYS_INLINE;
+inline static
+void serial_delay(void) {
+ _delay_us(SERIAL_DELAY);
+}
+
+inline static void serial_delay_half1(void) ALWAYS_INLINE;
+inline static
+void serial_delay_half1(void) {
+ _delay_us(SERIAL_DELAY_HALF1);
+}
+
+inline static void serial_delay_half2(void) ALWAYS_INLINE;
+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_with_pullup(void) {
+ SERIAL_PIN_DDR &= ~SERIAL_PIN_MASK;
+ SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
+}
+
+inline static uint8_t serial_read_pin(void) ALWAYS_INLINE;
+inline static
+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 soft_serial_initiator_init(SSTD_t *sstd_table, int sstd_table_size)
+{
+ Transaction_table = sstd_table;
+ Transaction_table_size = (uint8_t)sstd_table_size;
+ serial_output();
+ serial_high();
+}
+
+void soft_serial_target_init(SSTD_t *sstd_table, int sstd_table_size)
+{
+ Transaction_table = sstd_table;
+ Transaction_table_size = (uint8_t)sstd_table_size;
+ serial_input_with_pullup();
+
+ // Enable INT0-INT3,INT6
+ EIMSK |= EIMSK_BIT;
+#if SERIAL_PIN_MASK == _BV(PE6)
+ // Trigger on falling edge of INT6
+ EICRB &= EICRx_BIT;
+#else
+ // Trigger on falling edge of INT0-INT3
+ EICRA &= EICRx_BIT;
+#endif
+}
+
+// Used by the sender to synchronize timing with the reciver.
+static void sync_recv(void) NO_INLINE;
+static
+void sync_recv(void) {
+ 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());
+}
+
+// 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_low();
+ serial_delay();
+ serial_high();
+}
+
+// Reads a byte from the serial line
+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 = PARITY; 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
+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 = PARITY, 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);
+ }
+}
+
+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
+}
+
+static inline uint8_t nibble_bits_count(uint8_t bits)
+{
+ bits = (bits & 0x5) + (bits >> 1 & 0x5);
+ bits = (bits & 0x3) + (bits >> 2 & 0x3);
+ return bits;
+}
+
+// interrupt handle to be used by the target device
+ISR(SERIAL_PIN_INTERRUPT) {
+
+#ifndef SERIAL_USE_MULTI_TRANSACTION
+ serial_low();
+ serial_output();
+ SSTD_t *trans = Transaction_table;
+#else
+ // recive transaction table index
+ uint8_t tid, bits;
+ uint8_t pecount = 0;
+ sync_recv();
+ bits = serial_read_chunk(&pecount,7);
+ tid = bits>>3;
+ bits = (bits&7) != nibble_bits_count(tid);
+ if( bits || pecount> 0 || tid > Transaction_table_size ) {
+ return;
+ }
+ serial_delay_half1();
+
+ 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
+
+ // 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();
+
+ // 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 {
+ *trans->status = TRANSACTION_ACCEPTED;
+ }
+
+ sync_recv(); //weit initiator output to high
+}
+
+/////////
+// start transaction by initiator
+//
+// int soft_serial_transaction(int sstd_index)
+//
+// Returns:
+// 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) {
+ if( sstd_index > Transaction_table_size )
+ return TRANSACTION_TYPE_ERROR;
+ SSTD_t *trans = &Transaction_table[sstd_index];
+#endif
+ cli();
+
+ // signal to the target that we want to start a transaction
+ serial_output();
+ serial_low();
+ _delay_us(SLAVE_INT_WIDTH_US);
+
+#ifndef SERIAL_USE_MULTI_TRANSACTION
+ // wait for the target response
+ serial_input_with_pullup();
+ _delay_us(SLAVE_INT_RESPONSE_TIME);
+
+ // check if the target is present
+ if (serial_read_pin()) {
+ // target failed to pull the line low, assume not present
+ serial_output();
+ serial_high();
+ *trans->status = TRANSACTION_NO_RESPONSE;
+ sei();
+ return TRANSACTION_NO_RESPONSE;
+ }
+
+#else
+ // send transaction table index
+ int tid = (sstd_index<<3) | (7 & nibble_bits_count(sstd_index));
+ sync_send();
+ _delay_sub_us(TID_SEND_ADJUST);
+ serial_write_chunk(tid, 7);
+ serial_delay_half1();
+
+ // wait for the target response (step1 low->high)
+ serial_input_with_pullup();
+ while( !serial_read_pin() ) {
+ _delay_sub_us(2);
+ }
+
+ // 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);
+ }
+
+ // always, release the line when not in use
+ sync_send();
+
+ *trans->status = TRANSACTION_END;
+ sei();
+ 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
+
+// Helix serial.c history
+// 2018-1-29 fork from let's split and add PD2, modify sync_recv() (#2308, bceffdefc)
+// 2018-6-28 bug fix master to slave comm and speed up (#3255, 1038bbef4)
+// (adjusted with avr-gcc 4.9.2)
+// 2018-7-13 remove USE_SERIAL_PD2 macro (#3374, f30d6dd78)
+// (adjusted with avr-gcc 4.9.2)
+// 2018-8-11 add support multi-type transaction (#3608, feb5e4aae)
+// (adjusted with avr-gcc 4.9.2)
+// 2018-10-21 fix serial and RGB animation conflict (#4191, 4665e4fff)
+// (adjusted with avr-gcc 7.3.0)
+// 2018-10-28 re-adjust compiler depend value of delay (#4269, 8517f8a66)
+// (adjusted with avr-gcc 5.4.0, 7.3.0)
+// 2018-12-17 copy to TOP/quantum/split_common/ and remove backward compatibility code (#4669)
diff --git a/keyboards/ai03/orbit/serial.h b/keyboards/ai03/orbit/serial.h
new file mode 100644
index 000000000..1c1e64006
--- /dev/null
+++ b/keyboards/ai03/orbit/serial.h
@@ -0,0 +1,62 @@
+#pragma once
+
+#include
+
+// /////////////////////////////////////////////////////////////////
+// Need Soft Serial defines in config.h
+// /////////////////////////////////////////////////////////////////
+// ex.
+// #define SOFT_SERIAL_PIN ?? // ?? = D0,D1,D2,D3,E6
+// OPTIONAL: #define SELECT_SOFT_SERIAL_SPEED ? // ? = 1,2,3,4,5
+// // 1: about 137kbps (default)
+// // 2: about 75kbps
+// // 3: about 39kbps
+// // 4: about 26kbps
+// // 5: about 20kbps
+//
+// //// USE simple API (using signle-type transaction function)
+// /* nothing */
+// //// USE flexible API (using multi-type transaction function)
+// #define SERIAL_USE_MULTI_TRANSACTION
+//
+// /////////////////////////////////////////////////////////////////
+
+// 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;
+#define TID_LIMIT( table ) (sizeof(table) / sizeof(SSTD_t))
+
+// initiator is transaction start side
+void soft_serial_initiator_init(SSTD_t *sstd_table, int sstd_table_size);
+// target is interrupt accept side
+void soft_serial_target_init(SSTD_t *sstd_table, int sstd_table_size);
+
+// initiator resullt
+#define TRANSACTION_END 0
+#define TRANSACTION_NO_RESPONSE 0x1
+#define TRANSACTION_DATA_ERROR 0x2
+#define TRANSACTION_TYPE_ERROR 0x4
+#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 0x8
+#ifdef SERIAL_USE_MULTI_TRANSACTION
+int soft_serial_get_and_clean_status(int sstd_index);
+#endif
diff --git a/keyboards/ai03/orbit/split_flags.c b/keyboards/ai03/orbit/split_flags.c
new file mode 100644
index 000000000..1f5825d65
--- /dev/null
+++ b/keyboards/ai03/orbit/split_flags.c
@@ -0,0 +1,5 @@
+#include "split_flags.h"
+
+volatile bool RGB_DIRTY = false;
+
+volatile bool BACKLIT_DIRTY = false;
\ No newline at end of file
diff --git a/keyboards/ai03/orbit/split_flags.h b/keyboards/ai03/orbit/split_flags.h
new file mode 100644
index 000000000..aaac474a7
--- /dev/null
+++ b/keyboards/ai03/orbit/split_flags.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include
+#include
+
+/**
+* Global Flags
+**/
+
+//RGB Stuff
+extern volatile bool RGB_DIRTY;
+
+
+//Backlight Stuff
+extern volatile bool BACKLIT_DIRTY;
diff --git a/keyboards/ai03/orbit/split_util.c b/keyboards/ai03/orbit/split_util.c
new file mode 100644
index 000000000..5095cb8fd
--- /dev/null
+++ b/keyboards/ai03/orbit/split_util.c
@@ -0,0 +1,87 @@
+#include "split_util.h"
+#include "matrix.h"
+#include "keyboard.h"
+#include "config.h"
+#include "timer.h"
+#include "split_flags.h"
+#include "transport.h"
+#include "quantum.h"
+
+#ifdef EE_HANDS
+# include "tmk_core/common/eeprom.h"
+# include "eeconfig.h"
+#endif
+
+volatile bool isLeftHand = true;
+
+__attribute__((weak))
+bool is_keyboard_left(void) {
+ #ifdef SPLIT_HAND_PIN
+ // Test pin SPLIT_HAND_PIN for High/Low, if low it's right hand
+ setPinInput(SPLIT_HAND_PIN);
+ return readPin(SPLIT_HAND_PIN);
+ #else
+ #ifdef EE_HANDS
+ return eeprom_read_byte(EECONFIG_HANDEDNESS);
+ #else
+ #ifdef MASTER_RIGHT
+ return !is_keyboard_master();
+ #else
+ return is_keyboard_master();
+ #endif
+ #endif
+ #endif
+}
+
+bool is_keyboard_master(void)
+{
+#ifdef __AVR__
+ static enum { UNKNOWN, MASTER, SLAVE } usbstate = UNKNOWN;
+
+ // only check once, as this is called often
+ if (usbstate == UNKNOWN)
+ {
+ USBCON |= (1 << OTGPADE); // enables VBUS pad
+ wait_us(5);
+
+ usbstate = (USBSTA & (1 << VBUS)) ? MASTER : SLAVE; // checks state of VBUS
+ }
+
+ return (usbstate == MASTER);
+#else
+ return true;
+#endif
+}
+
+static void keyboard_master_setup(void) {
+#if defined(USE_I2C) || defined(EH)
+ #ifdef SSD1306OLED
+ matrix_master_OLED_init ();
+ #endif
+#endif
+ transport_master_init();
+
+ // For master the Backlight info needs to be sent on startup
+ // Otherwise the salve won't start with the proper info until an update
+ BACKLIT_DIRTY = true;
+}
+
+static void keyboard_slave_setup(void)
+{
+ transport_slave_init();
+}
+
+// this code runs before the usb and keyboard is initialized
+void matrix_setup(void)
+{
+ isLeftHand = is_keyboard_left();
+
+ if (is_keyboard_master())
+ {
+ keyboard_master_setup();
+ }
+ else
+ {
+ keyboard_slave_setup();
+ }
+}
diff --git a/keyboards/ai03/orbit/split_util.h b/keyboards/ai03/orbit/split_util.h
new file mode 100644
index 000000000..20f7535bf
--- /dev/null
+++ b/keyboards/ai03/orbit/split_util.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#include
+#include
+#include
+#include
+
+extern volatile bool isLeftHand;
+
+void matrix_master_OLED_init (void);
diff --git a/keyboards/ai03/orbit/transport.c b/keyboards/ai03/orbit/transport.c
new file mode 100644
index 000000000..adedf2432
--- /dev/null
+++ b/keyboards/ai03/orbit/transport.c
@@ -0,0 +1,238 @@
+
+#include "transport.h"
+
+#include "config.h"
+#include "matrix.h"
+#include "quantum.h"
+
+#include "orbit.h"
+
+#define ROWS_PER_HAND (MATRIX_ROWS/2)
+
+#ifdef RGBLIGHT_ENABLE
+# include "rgblight.h"
+#endif
+
+#ifdef BACKLIGHT_ENABLE
+# include "backlight.h"
+ extern backlight_config_t backlight_config;
+#endif
+
+#if defined(USE_I2C) || defined(EH)
+
+#include "i2c.h"
+
+#ifndef SLAVE_I2C_ADDRESS
+# define SLAVE_I2C_ADDRESS 0x32
+#endif
+
+#if (MATRIX_COLS > 8)
+# error "Currently only supports 8 COLS"
+#endif
+
+// Get rows from other half over i2c
+bool transport_master(matrix_row_t matrix[]) {
+ int err = 0;
+
+ // write backlight info
+#ifdef BACKLIGHT_ENABLE
+ if (BACKLIT_DIRTY) {
+ err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
+ if (err) { goto i2c_error; }
+
+ // Backlight location
+ err = i2c_master_write(I2C_BACKLIT_START);
+ if (err) { goto i2c_error; }
+
+ // Write backlight
+ i2c_master_write(get_backlight_level());
+
+ BACKLIT_DIRTY = false;
+ }
+#endif
+
+ err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
+ if (err) { goto i2c_error; }
+
+ // start of matrix stored at I2C_KEYMAP_START
+ err = i2c_master_write(I2C_KEYMAP_START);
+ if (err) { goto i2c_error; }
+
+ // Start read
+ err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ);
+ if (err) { goto i2c_error; }
+
+ if (!err) {
+ int i;
+ for (i = 0; i < ROWS_PER_HAND-1; ++i) {
+ matrix[i] = i2c_master_read(I2C_ACK);
+ }
+ matrix[i] = i2c_master_read(I2C_NACK);
+ i2c_master_stop();
+ } else {
+i2c_error: // the cable is disconnceted, or something else went wrong
+ i2c_reset_state();
+ return false;
+ }
+
+#ifdef RGBLIGHT_ENABLE
+ if (RGB_DIRTY) {
+ err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
+ if (err) { goto i2c_error; }
+
+ // RGB Location
+ err = i2c_master_write(I2C_RGB_START);
+ if (err) { goto i2c_error; }
+
+ uint32_t dword = eeconfig_read_rgblight();
+
+ // Write RGB
+ err = i2c_master_write_data(&dword, 4);
+ if (err) { goto i2c_error; }
+
+ RGB_DIRTY = false;
+ i2c_master_stop();
+ }
+#endif
+
+ return true;
+}
+
+void transport_slave(matrix_row_t matrix[]) {
+
+ for (int i = 0; i < ROWS_PER_HAND; ++i)
+ {
+ i2c_slave_buffer[I2C_KEYMAP_START + i] = matrix[i];
+ }
+ // Read Backlight Info
+ #ifdef BACKLIGHT_ENABLE
+ if (BACKLIT_DIRTY)
+ {
+ backlight_set(i2c_slave_buffer[I2C_BACKLIT_START]);
+ BACKLIT_DIRTY = false;
+ }
+ #endif
+ #ifdef RGBLIGHT_ENABLE
+ if (RGB_DIRTY)
+ {
+ // Disable interupts (RGB data is big)
+ cli();
+ // Create new DWORD for RGB data
+ uint32_t dword;
+
+ // Fill the new DWORD with the data that was sent over
+ uint8_t * dword_dat = (uint8_t *)(&dword);
+ for (int i = 0; i < 4; i++)
+ {
+ dword_dat[i] = i2c_slave_buffer[I2C_RGB_START + i];
+ }
+
+ // Update the RGB now with the new data and set RGB_DIRTY to false
+ rgblight_update_dword(dword);
+ RGB_DIRTY = false;
+ // Re-enable interupts now that RGB is set
+ sei();
+ }
+ #endif
+}
+
+void transport_master_init(void) {
+ i2c_master_init();
+}
+
+void transport_slave_init(void) {
+ i2c_slave_init(SLAVE_I2C_ADDRESS);
+}
+
+#else // USE_SERIAL
+
+#include "serial.h"
+
+
+
+volatile Serial_s2m_buffer_t serial_s2m_buffer = {};
+volatile Serial_m2s_buffer_t serial_m2s_buffer = {};
+uint8_t volatile status0 = 0;
+
+SSTD_t transactions[] = {
+ { (uint8_t *)&status0,
+ sizeof(serial_m2s_buffer), (uint8_t *)&serial_m2s_buffer,
+ sizeof(serial_s2m_buffer), (uint8_t *)&serial_s2m_buffer
+ }
+};
+
+uint8_t slave_layer_cache;
+uint8_t slave_nlock_cache;
+uint8_t slave_clock_cache;
+uint8_t slave_slock_cache;
+
+void transport_master_init(void)
+{ soft_serial_initiator_init(transactions, TID_LIMIT(transactions)); }
+
+void transport_slave_init(void)
+{
+ soft_serial_target_init(transactions, TID_LIMIT(transactions));
+ slave_layer_cache = 255;
+ slave_nlock_cache = 255;
+ slave_clock_cache = 255;
+ slave_slock_cache = 255;
+}
+
+bool transport_master(matrix_row_t matrix[]) {
+
+ if (soft_serial_transaction()) {
+ return false;
+ }
+
+ // TODO: if MATRIX_COLS > 8 change to unpack()
+ for (int i = 0; i < ROWS_PER_HAND; ++i) {
+ matrix[i] = serial_s2m_buffer.smatrix[i];
+ }
+
+ #if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
+ // Code to send RGB over serial goes here (not implemented yet)
+ #endif
+
+ #ifdef BACKLIGHT_ENABLE
+ // Write backlight level for slave to read
+ serial_m2s_buffer.backlight_level = backlight_config.enable ? backlight_config.level : 0;
+ #endif
+
+ return true;
+}
+
+void transport_slave(matrix_row_t matrix[]) {
+
+ // TODO: if MATRIX_COLS > 8 change to pack()
+ for (int i = 0; i < ROWS_PER_HAND; ++i)
+ {
+ serial_s2m_buffer.smatrix[i] = matrix[i];
+ }
+ #ifdef BACKLIGHT_ENABLE
+ backlight_set(serial_m2s_buffer.backlight_level);
+ #endif
+ #if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
+ // Add serial implementation for RGB here
+ #endif
+
+ if (slave_layer_cache != serial_m2s_buffer.current_layer) {
+ slave_layer_cache = serial_m2s_buffer.current_layer;
+ set_layer_indicators(slave_layer_cache);
+ }
+
+ if (slave_nlock_cache != serial_m2s_buffer.nlock_led) {
+ slave_nlock_cache = serial_m2s_buffer.nlock_led;
+ led_toggle(3, slave_nlock_cache);
+ }
+ if (slave_clock_cache != serial_m2s_buffer.clock_led) {
+ slave_clock_cache = serial_m2s_buffer.clock_led;
+ led_toggle(4, slave_clock_cache);
+ }
+ if (slave_slock_cache != serial_m2s_buffer.slock_led) {
+ slave_slock_cache = serial_m2s_buffer.slock_led;
+ led_toggle(5, slave_slock_cache);
+ }
+
+}
+
+#endif
diff --git a/keyboards/ai03/orbit/transport.h b/keyboards/ai03/orbit/transport.h
new file mode 100644
index 000000000..422e2ecb9
--- /dev/null
+++ b/keyboards/ai03/orbit/transport.h
@@ -0,0 +1,42 @@
+#pragma once
+
+#include
+
+#define ROWS_PER_HAND (MATRIX_ROWS/2)
+
+typedef struct _Serial_s2m_buffer_t {
+ // TODO: if MATRIX_COLS > 8 change to uint8_t packed_matrix[] for pack/unpack
+ matrix_row_t smatrix[ROWS_PER_HAND];
+} Serial_s2m_buffer_t;
+
+typedef struct _Serial_m2s_buffer_t {
+#ifdef BACKLIGHT_ENABLE
+ uint8_t backlight_level;
+#endif
+#if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
+ rgblight_config_t rgblight_config; //not yet use
+ //
+ // When MCUs on both sides drive their respective RGB LED chains,
+ // it is necessary to synchronize, so it is necessary to communicate RGB information.
+ // In that case, define the RGBLIGHT_SPLIT macro.
+ //
+ // Otherwise, if the master side MCU drives both sides RGB LED chains,
+ // there is no need to communicate.
+#endif
+
+ uint8_t current_layer;
+ uint8_t nlock_led;
+ uint8_t clock_led;
+ uint8_t slock_led;
+
+} Serial_m2s_buffer_t;
+
+extern volatile Serial_s2m_buffer_t serial_s2m_buffer;
+extern volatile Serial_m2s_buffer_t serial_m2s_buffer;
+
+void transport_master_init(void);
+void transport_slave_init(void);
+
+// returns false if valid data not received from slave
+bool transport_master(matrix_row_t matrix[]);
+void transport_slave(matrix_row_t matrix[]);