Drashna's split updates (#13350)

Co-authored-by: Ryan <fauxpark@gmail.com>

18 files changed, 523 insertions, 1003 deletions

diff --git a/users/drashna/config.h b/users/drashna/config.h
index 7964856892..445e180825 100644
--- a/users/drashna/config.h
+++ b/users/drashna/config.h
@@ -17,34 +17,49 @@
 #pragma once
 
 // Use custom magic number so that when switching branches, EEPROM always gets reset
-#define EECONFIG_MAGIC_NUMBER (uint16_t)0x1339
+#define EECONFIG_MAGIC_NUMBER   (uint16_t)0x1339
 
 /* Set Polling rate to 1000Hz */
 #define USB_POLLING_INTERVAL_MS 1
 
 #if defined(SPLIT_KEYBOARD)
 #    define SPLIT_MODS_ENABLE
-#    define SPLIT_TRANSPORT_MIRROR
+#    define SPLIT_LAYER_STATE_ENABLE
+#    define SPLIT_LED_STATE_ENABLE
+
+// #    define SPLIT_TRANSPORT_MIRROR
 #    define SERIAL_USE_MULTI_TRANSACTION
-// #    define SPLIT_NUM_TRANSACTIONS_KB 2
+#    define SPLIT_TRANSACTION_IDS_USER RPC_ID_USER_STATE_SYNC
 #endif
 
 #ifdef AUDIO_ENABLE
-
 #    define AUDIO_CLICKY
-#    define STARTUP_SONG SONG(RICK_ROLL)
-#    define GOODBYE_SONG SONG(SONIC_RING)
-#    define DEFAULT_LAYER_SONGS \
-        { SONG(QWERTY_SOUND), SONG(COLEMAK_SOUND), SONG(DVORAK_SOUND), SONG(OVERWATCH_THEME) }
-
 #    define AUDIO_CLICKY_FREQ_RANDOMNESS 1.5f
 
-#    define UNICODE_SONG_MAC SONG(RICK_ROLL)
-#    define UNICODE_SONG_LNX SONG(RICK_ROLL)
-#    define UNICODE_SONG_WIN SONG(RICK_ROLL)
-#    define UNICODE_SONG_BSD SONG(RICK_ROLL)
-#    define UNICODE_SONG_WINC SONG(RICK_ROLL)
-#endif  // !AUDIO_ENABLE
+#    ifdef USER_SONG_LIST
+#        define STARTUP_SONG SONG(RICK_ROLL)
+#        define GOODBYE_SONG SONG(SONIC_RING)
+#        define DEFAULT_LAYER_SONGS \
+            { SONG(QWERTY_SOUND), SONG(COLEMAK_SOUND), SONG(DVORAK_SOUND), SONG(OVERWATCH_THEME) }
+#        define UNICODE_SONG_MAC  SONG(MARIO_THEME)
+#        define UNICODE_SONG_LNX  SONG(MARIO_POWERUP)
+#        define UNICODE_SONG_WIN  SONG(MARIO_ONEUP)
+#        define UNICODE_SONG_BSD  SONG(RICK_ROLL)
+#        define UNICODE_SONG_WINC SONG(RICK_ROLL)
+#    else
+#        define STARTUP_SONG SONG(STARTUP_SOUND)
+#        define GOODBYE_SONG SONG(GOODBYE_SOUND)
+#        define DEFAULT_LAYER_SONGS \
+            { SONG(QWERTY_SOUND), SONG(COLEMAK_SOUND), SONG(DVORAK_SOUND), SONG(WORKMAN_SOUND) }
+#        define UNICODE_SONG_MAC  SONG(QWERTY_SOUND)
+#        define UNICODE_SONG_LNX  SONG(COLEMAK_SOUND)
+#        define UNICODE_SONG_WIN  SONG(DVORAK_SOUND)
+#        define UNICODE_SONG_BSD  SONG(WORKMAN_SOUND)
+#        define UNICODE_SONG_WINC SONG(PLOVER_GOODBYE_SOUND)
+#    endif
+#endif // !AUDIO_ENABLE
+
+#define UNICODE_SELECTED_MODES UC_WIN, UC_MAC
 
 #ifdef RGBLIGHT_ENABLE
 #    define RGBLIGHT_SLEEP
@@ -56,18 +71,16 @@
 #    else
 #        define RGBLIGHT_ANIMATIONS
 #    endif
-#    define RGBLIGHT_EFFECT_TWINKLE_LIFE  250
-#    define RGBLIGHT_EFFECT_TWINKLE_PROBABILITY 1/24
-#endif  // RGBLIGHT_ENABLE
+#    define RGBLIGHT_EFFECT_TWINKLE_LIFE        250
+#    define RGBLIGHT_EFFECT_TWINKLE_PROBABILITY 1 / 24
+#endif // RGBLIGHT_ENABLE
 
 #ifdef RGB_MATRIX_ENABLE
-#    define RGB_MATRIX_KEYPRESSES  // reacts to keypresses (will slow down matrix scan by a lot)
+#    define RGB_MATRIX_KEYPRESSES // reacts to keypresses (will slow down matrix scan by a lot)
 // #   define RGB_MATRIX_KEYRELEASES // reacts to keyreleases (not recommened)
 #    define RGB_MATRIX_FRAMEBUFFER_EFFECTS
-// #   define RGB_DISABLE_AFTER_TIMEOUT 0 // number of ticks to wait until disabling effects
-#    define RGB_DISABLE_WHEN_USB_SUSPENDED  // turn off effects when suspended
-// #   define RGB_MATRIX_MAXIMUM_BRIGHTNESS 200 // limits maximum brightness of LEDs to 200 out of 255. If not defined maximum brightness is set to 255
-// #   define EECONFIG_RGB_MATRIX (uint32_t *)16
+// #    define RGB_DISABLE_AFTER_TIMEOUT 0 // number of ticks to wait until disabling effects
+// #    define RGB_DISABLE_WHEN_USB_SUSPENDED // turn off effects when suspended
 
 #    if defined(__AVR__) && !defined(__AVR_AT90USB1286__) && !defined(KEYBOARD_launchpad)
 #        define DISABLE_RGB_MATRIX_ALPHAS_MODS
@@ -107,8 +120,8 @@
 #        define DISABLE_RGB_MATRIX_MULTISPLASH
 #        define DISABLE_RGB_MATRIX_SOLID_SPLASH
 #        define DISABLE_RGB_MATRIX_SOLID_MULTISPLASH
-#    endif  // AVR
-#endif      // RGB_MATRIX_ENABLE
+#    endif // AVR
+#endif     // RGB_MATRIX_ENABLE
 
 #ifdef OLED_DRIVER_ENABLE
 #    ifdef SPLIT_KEYBOARD
@@ -120,7 +133,7 @@
 #    ifdef OLED_FONT_H
 #        undef OLED_FONT_H
 #    endif
-#    define OLED_FONT_H "drashna_font.h"
+#    define OLED_FONT_H   "drashna_font.h"
 #    define OLED_FONT_END 255
 // #    define OLED_FONT_5X5
 // #    define OLED_FONT_AZTECH
@@ -135,16 +148,16 @@
 
 #ifndef ONESHOT_TAP_TOGGLE
 #    define ONESHOT_TAP_TOGGLE 2
-#endif  // !ONESHOT_TAP_TOGGLE
+#endif // !ONESHOT_TAP_TOGGLE
 
 #ifndef ONESHOT_TIMEOUT
 #    define ONESHOT_TIMEOUT 3000
-#endif  // !ONESHOT_TIMEOUT
+#endif // !ONESHOT_TIMEOUT
 
 #ifdef QMK_KEYS_PER_SCAN
 #    undef QMK_KEYS_PER_SCAN
 #    define QMK_KEYS_PER_SCAN 2
-#endif  // !QMK_KEYS_PER_SCAN
+#endif // !QMK_KEYS_PER_SCAN
 
 // this makes it possible to do rolling combos (zx) with keys that
 // convert to other keys on hold (z becomes ctrl when you hold it,
@@ -152,8 +165,8 @@
 // actually sends Ctrl-x. That's bad.)
 #define IGNORE_MOD_TAP_INTERRUPT
 #undef PERMISSIVE_HOLD
-//#define TAPPING_FORCE_HOLD
-//#define RETRO_TAPPING
+//#define TAPPING_FORCE_HOLD_PER_KEY
+//#define RETRO_TAPPING_PER_KEY
 #ifndef KEYBOARD_kyria_rev1
 #    define TAPPING_TERM_PER_KEY
 #endif
@@ -166,7 +179,7 @@
 
 #ifdef TAPPING_TERM
 #    undef TAPPING_TERM
-#endif  // TAPPING_TERM
+#endif // TAPPING_TERM
 #if defined(KEYBOARD_ergodox_ez)
 #    define TAPPING_TERM 185
 #elif defined(KEYBOARD_crkbd)
@@ -185,14 +198,16 @@
 #    undef LOCKING_RESYNC_ENABLE
 #endif
 
+#define LAYER_STATE_16BIT
+
 #ifdef CONVERT_TO_PROTON_C
 // pins that are available but not present on Pro Micro
-#    define A3 PAL_LINE(GPIOA, 3)
-#    define A4 PAL_LINE(GPIOA, 4)
-#    define A5 PAL_LINE(GPIOA, 5)
-#    define A6 PAL_LINE(GPIOA, 6)
-#    define A7 PAL_LINE(GPIOA, 7)
-#    define A8 PAL_LINE(GPIOA, 8)
+#    define A3  PAL_LINE(GPIOA, 3)
+#    define A4  PAL_LINE(GPIOA, 4)
+#    define A5  PAL_LINE(GPIOA, 5)
+#    define A6  PAL_LINE(GPIOA, 6)
+#    define A7  PAL_LINE(GPIOA, 7)
+#    define A8  PAL_LINE(GPIOA, 8)
 #    define A13 PAL_LINE(GPIOA, 13)
 #    define A14 PAL_LINE(GPIOA, 14)
 #    define A15 PAL_LINE(GPIOA, 15)
@@ -203,3 +218,79 @@
 #    define C14 PAL_LINE(GPIOC, 14)
 #    define C15 PAL_LINE(GPIOC, 15)
 #endif
+
+#ifdef MOUSEKEY_ENABLE
+// mouse movement config
+#    ifdef MK_3_SPEED
+#        undef MK_3_SPEED
+#    endif
+#    define MK_KINETIC_SPEED
+#    ifdef MK_KINETIC_SPEED
+#        ifndef MOUSEKEY_DELAY
+#            define MOUSEKEY_DELAY 8
+#        endif
+#        ifndef MOUSEKEY_INTERVAL
+#            define MOUSEKEY_INTERVAL 20
+#        endif
+#        ifdef MOUSEKEY_MOVE_DELTA
+#            define MOUSEKEY_MOVE_DELTA 25
+#        endif
+#    else
+#        ifndef MOUSEKEY_DELAY
+#            define MOUSEKEY_DELAY 300
+#        endif
+#        ifndef MOUSEKEY_INTERVAL
+#            define MOUSEKEY_INTERVAL 50
+#        endif
+#        ifndef MOUSEKEY_MOVE_DELTA
+#            define MOUSEKEY_MOVE_DELTA 5
+#        endif
+#    endif
+#    ifndef MOUSEKEY_MAX_SPEED
+#        define MOUSEKEY_MAX_SPEED 7
+#    endif
+#    ifndef MOUSEKEY_TIME_TO_MAX
+#        define MOUSEKEY_TIME_TO_MAX 60
+#    endif
+#    ifndef MOUSEKEY_INITIAL_SPEED
+#        define MOUSEKEY_INITIAL_SPEED 100
+#    endif
+#    ifndef MOUSEKEY_BASE_SPEED
+#        define MOUSEKEY_BASE_SPEED 1000
+#    endif
+#    ifndef MOUSEKEY_DECELERATED_SPEED
+#        define MOUSEKEY_DECELERATED_SPEED 400
+#    endif
+#    ifndef MOUSEKEY_ACCELERATED_SPEED
+#        define MOUSEKEY_ACCELERATED_SPEED 3000
+#    endif
+// mouse scroll config
+#    ifndef MOUSEKEY_WHEEL_DELAY
+#        define MOUSEKEY_WHEEL_DELAY 15
+#    endif
+#    ifndef MOUSEKEY_WHEEL_DELTA
+#        define MOUSEKEY_WHEEL_DELTA 1
+#    endif
+#    ifndef MOUSEKEY_WHEEL_INTERVAL
+#        define MOUSEKEY_WHEEL_INTERVAL 50
+#    endif
+#    ifndef MOUSEKEY_WHEEL_MAX_SPEED
+#        define MOUSEKEY_WHEEL_MAX_SPEED 8
+#    endif
+#    ifndef MOUSEKEY_WHEEL_TIME_TO_MAX
+#        define MOUSEKEY_WHEEL_TIME_TO_MAX 80
+#    endif
+// mouse scroll kinetic config
+#    ifndef MOUSEKEY_WHEEL_INITIAL_MOVEMENTS
+#        define MOUSEKEY_WHEEL_INITIAL_MOVEMENTS 8
+#    endif
+#    ifndef MOUSEKEY_WHEEL_BASE_MOVEMENTS
+#        define MOUSEKEY_WHEEL_BASE_MOVEMENTS 48
+#    endif
+#    ifndef MOUSEKEY_WHEEL_ACCELERATED_MOVEMENTS
+#        define MOUSEKEY_WHEEL_ACCELERATED_MOVEMENTS 48
+#    endif
+#    ifndef MOUSEKEY_WHEEL_DECELERATED_MOVEMENTS
+#        define MOUSEKEY_WHEEL_DECELERATED_MOVEMENTS 8
+#    endif
+#endif // MOUSEKEY_ENABLE
diff --git a/users/drashna/drashna.c b/users/drashna/drashna.c
index a493737262..b54d0cfcc0 100644
--- a/users/drashna/drashna.c
+++ b/users/drashna/drashna.c
@@ -86,6 +86,9 @@ void keyboard_post_init_user(void) {
 #if defined(RGB_MATRIX_ENABLE)
     keyboard_post_init_rgb_matrix();
 #endif
+#if defined(SPLIT_KEYBOARD) && defined(SPLIT_TRANSACTION_IDS_USER)
+    keyboard_post_init_transport_sync();
+#endif
     keyboard_post_init_keymap();
 }
 
@@ -100,12 +103,12 @@ void shutdown_user(void) {
     rgblight_enable_noeeprom();
     rgblight_mode_noeeprom(1);
     rgblight_setrgb_red();
-#endif  // RGBLIGHT_ENABLE
+#endif // RGBLIGHT_ENABLE
 #ifdef RGB_MATRIX_ENABLE
     rgb_matrix_set_color_all(0xFF, 0x00, 0x00);
     rgb_matrix_update_pwm_buffers();
 
-#endif  // RGB_MATRIX_ENABLE
+#endif // RGB_MATRIX_ENABLE
     shutdown_keymap();
 }
 
@@ -120,7 +123,11 @@ void suspend_power_down_user(void) {
 
 __attribute__((weak)) void suspend_wakeup_init_keymap(void) {}
 
-void suspend_wakeup_init_user(void) { suspend_wakeup_init_keymap(); }
+void suspend_wakeup_init_user(void) {
+    if (layer_state_is(_GAMEPAD)) { layer_off(_GAMEPAD); }
+    if (layer_state_is(_DIABLO)) { layer_off(_DIABLO); }
+    suspend_wakeup_init_keymap();
+}
 
 __attribute__((weak)) void matrix_scan_keymap(void) {}
 
@@ -135,13 +142,13 @@ void matrix_scan_user(void) {
         startup_user();
     }
 
-#ifdef TAP_DANCE_ENABLE  // Run Diablo 3 macro checking code.
+#ifdef TAP_DANCE_ENABLE // Run Diablo 3 macro checking code.
     run_diablo_macro_check();
-#endif  // TAP_DANCE_ENABLE
+#endif // TAP_DANCE_ENABLE
 
 #if defined(RGBLIGHT_ENABLE)
     matrix_scan_rgb_light();
-#endif  // RGBLIGHT_ENABLE
+#endif // RGBLIGHT_ENABLE
 #if defined(RGB_MATRIX_ENABLE)
     matrix_scan_rgb_matrix();
 #endif
@@ -160,15 +167,13 @@ __attribute__((weak)) layer_state_t layer_state_set_keymap(layer_state_t state)
 // on layer change, no matter where the change was initiated
 // Then runs keymap's layer change check
 layer_state_t layer_state_set_user(layer_state_t state) {
-    if (!is_keyboard_master()) {
-        return state;
-    }
+    if (!is_keyboard_master()) { return state; }
 
     state = layer_state_set_keymap(state);
     state = update_tri_layer_state(state, _RAISE, _LOWER, _ADJUST);
 #if defined(RGBLIGHT_ENABLE)
     state = layer_state_set_rgb_light(state);
-#endif  // RGBLIGHT_ENABLE
+#endif // RGBLIGHT_ENABLE
 #if defined(AUDIO_ENABLE) && !defined(__arm__)
     static bool is_gamepad_on = false;
     if (layer_state_cmp(state, _GAMEPAD) != is_gamepad_on) {
@@ -187,15 +192,13 @@ __attribute__((weak)) layer_state_t default_layer_state_set_keymap(layer_state_t
 
 // Runs state check and changes underglow color and animation
 layer_state_t default_layer_state_set_user(layer_state_t state) {
-    if (!is_keyboard_master()) {
-        return state;
-    }
+    if (!is_keyboard_master()) { return state; }
 
     state = default_layer_state_set_keymap(state);
 #if 0
 #    if defined(RGBLIGHT_ENABLE) || defined(RGB_MATRIX_ENABLE)
   state = default_layer_state_set_rgb(state);
-#    endif  // RGBLIGHT_ENABLE
+#    endif // RGBLIGHT_ENABLE
 #endif
     return state;
 }
diff --git a/users/drashna/drashna.h b/users/drashna/drashna.h
index e37c73bb28..f1d756f742 100644
--- a/users/drashna/drashna.h
+++ b/users/drashna/drashna.h
@@ -22,7 +22,7 @@
 #include "process_records.h"
 #ifdef TAP_DANCE_ENABLE
 #    include "tap_dances.h"
-#endif  // TAP_DANCE_ENABLE
+#endif // TAP_DANCE_ENABLE
 #if defined(RGBLIGHT_ENABLE)
 #    include "rgb_stuff.h"
 #endif
@@ -35,6 +35,9 @@
 #if defined(PIMORONI_TRACKBALL_ENABLE)
 #    include "drivers/sensors/pimoroni_trackball.h"
 #endif
+#ifdef SPLIT_KEYBOARD
+#    include "transport_sync.h"
+#endif
 
 /* Define layer names */
 enum userspace_layers {
@@ -98,12 +101,12 @@ We use custom codes here, so we can substitute the right stuff
 #    define KC_D3_2 TD(TD_D3_2)
 #    define KC_D3_3 TD(TD_D3_3)
 #    define KC_D3_4 TD(TD_D3_4)
-#else  // TAP_DANCE_ENABLE
+#else // TAP_DANCE_ENABLE
 #    define KC_D3_1 KC_1
 #    define KC_D3_2 KC_2
 #    define KC_D3_3 KC_3
 #    define KC_D3_4 KC_4
-#endif  // TAP_DANCE_ENABLE
+#endif // TAP_DANCE_ENABLE
 
 #if defined(DRASHNA_CUSTOM_TRANSPORT) && defined(POINTING_DEVICE_ENABLE)
 void master_mouse_send(int8_t x, int8_t y);
diff --git a/users/drashna/drashna_font.h b/users/drashna/drashna_font.h
index 6a3865a44d..46ebf3710a 100644
--- a/users/drashna/drashna_font.h
+++ b/users/drashna/drashna_font.h
@@ -5,8 +5,9 @@
 
 #include "progmem.h"
 
+// clang-format off
 static const unsigned char font[] PROGMEM = {
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x00 0
+    0x07, 0x08, 0x7F, 0x08, 0x07, 0x00, // 0x00 0
     0x3E, 0x5B, 0x4F, 0x5B, 0x3E, 0x00, // 0x01 1
     0x3E, 0x6B, 0x4F, 0x6B, 0x3E, 0x00, // 0x02 2
     0x1C, 0x3E, 0x7C, 0x3E, 0x1C, 0x00, // 0x03 3 ♥
@@ -1304,3 +1305,5 @@ static const unsigned char font[] PROGMEM = {
 
 #endif
   };
+
+// clang-format on
diff --git a/users/drashna/drashna_transport.c b/users/drashna/drashna_transport.c
deleted file mode 100644
index 9df11c9bdf..0000000000
--- a/users/drashna/drashna_transport.c
+++ /dev/null
@@ -1,603 +0,0 @@
-/* Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
- *
- * 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/>.
- */
-
-#include <string.h>
-#include <stddef.h>
-
-#include "matrix.h"
-#include QMK_KEYBOARD_H
-
-#define ROWS_PER_HAND (MATRIX_ROWS / 2)
-#define SYNC_TIMER_OFFSET 2
-
-#ifdef RGBLIGHT_ENABLE
-#    include "rgblight.h"
-#endif
-
-#ifdef BACKLIGHT_ENABLE
-#    include "backlight.h"
-#endif
-
-#ifdef ENCODER_ENABLE
-#    include "encoder.h"
-static pin_t encoders_pad[] = ENCODERS_PAD_A;
-#    define NUMBER_OF_ENCODERS (sizeof(encoders_pad) / sizeof(pin_t))
-#endif
-
-#ifdef POINTING_DEVICE_ENABLE
-static uint16_t device_cpi    = 0;
-static int8_t   split_mouse_x = 0, split_mouse_y = 0;
-#endif
-
-#ifdef OLED_DRIVER_ENABLE
-#    include "oled_driver.h"
-#endif
-
-#if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
-#    include "led_matrix.h"
-#endif
-#if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
-#    include "rgb_matrix.h"
-#endif
-
-#if defined(USE_I2C)
-
-#    include "i2c_master.h"
-#    include "i2c_slave.h"
-
-typedef struct _I2C_slave_buffer_t {
-#    ifndef DISABLE_SYNC_TIMER
-    uint32_t sync_timer;
-#    endif
-#    ifdef SPLIT_TRANSPORT_MIRROR
-    matrix_row_t mmatrix[ROWS_PER_HAND];
-#    endif
-    matrix_row_t smatrix[ROWS_PER_HAND];
-#    ifdef SPLIT_MODS_ENABLE
-    uint8_t real_mods;
-    uint8_t weak_mods;
-#        ifndef NO_ACTION_ONESHOT
-    uint8_t oneshot_mods;
-#        endif
-#    endif
-#    ifdef BACKLIGHT_ENABLE
-    uint8_t backlight_level;
-#    endif
-#    if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
-    rgblight_syncinfo_t rgblight_sync;
-#    endif
-#    ifdef ENCODER_ENABLE
-    uint8_t encoder_state[NUMBER_OF_ENCODERS];
-#    endif
-#    ifdef WPM_ENABLE
-    uint8_t current_wpm;
-#    endif
-#    if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
-    led_eeconfig_t led_matrix;
-    bool           led_suspend_state;
-#    endif
-#    if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
-    rgb_config_t rgb_matrix;
-    bool         rgb_suspend_state;
-#    endif
-    int8_t        mouse_x;
-    int8_t        mouse_y;
-    uint16_t      device_cpi;
-    bool          oled_on;
-    layer_state_t t_layer_state;
-    layer_state_t t_default_layer_state;
-} __attribute__((packed)) I2C_slave_buffer_t;
-
-static I2C_slave_buffer_t *const i2c_buffer = (I2C_slave_buffer_t *)i2c_slave_reg;
-
-#    define I2C_BACKLIGHT_START offsetof(I2C_slave_buffer_t, backlight_level)
-#    define I2C_RGB_START offsetof(I2C_slave_buffer_t, rgblight_sync)
-#    define I2C_KEYMAP_MASTER_START offsetof(I2C_slave_buffer_t, mmatrix)
-#    define I2C_KEYMAP_SLAVE_START offsetof(I2C_slave_buffer_t, smatrix)
-#    define I2C_SYNC_TIME_START offsetof(I2C_slave_buffer_t, sync_timer)
-#    define I2C_REAL_MODS_START offsetof(I2C_slave_buffer_t, real_mods)
-#    define I2C_WEAK_MODS_START offsetof(I2C_slave_buffer_t, weak_mods)
-#    define I2C_ONESHOT_MODS_START offsetof(I2C_slave_buffer_t, oneshot_mods)
-#    define I2C_ENCODER_START offsetof(I2C_slave_buffer_t, encoder_state)
-#    define I2C_WPM_START offsetof(I2C_slave_buffer_t, current_wpm)
-#    define I2C_MOUSE_X_START offsetof(I2C_slave_buffer_t, mouse_x)
-#    define I2C_MOUSE_Y_START offsetof(I2C_slave_buffer_t, mouse_y)
-#    define I2C_MOUSE_DPI_START offsetof(I2C_slave_buffer_t, device_cpi)
-#    define I2C_OLED_ON_START offsetof(I2C_slave_buffer_t, oled_on)
-#    define I2C_LAYER_STATE_START offsetof(I2C_slave_buffer_t, t_layer_state)
-#    define I2C_DEFAULT_LAYER_STATE_START offsetof(I2C_slave_buffer_t, t_default_layer_state)
-#    define I2C_LED_MATRIX_START offsetof(I2C_slave_buffer_t, led_matrix)
-#    define I2C_LED_SUSPEND_START offsetof(I2C_slave_buffer_t, led_suspend_state)
-#    define I2C_RGB_MATRIX_START offsetof(I2C_slave_buffer_t, rgb_matrix)
-#    define I2C_RGB_SUSPEND_START offsetof(I2C_slave_buffer_t, rgb_suspend_state)
-
-#    define TIMEOUT 100
-
-#    ifndef SLAVE_I2C_ADDRESS
-#        define SLAVE_I2C_ADDRESS 0x32
-#    endif
-
-// Get rows from other half over i2c
-bool transport_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
-    i2c_readReg(SLAVE_I2C_ADDRESS, I2C_KEYMAP_SLAVE_START, (void *)slave_matrix, sizeof(i2c_buffer->smatrix), TIMEOUT);
-#    ifdef SPLIT_TRANSPORT_MIRROR
-    i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_KEYMAP_MASTER_START, (void *)master_matrix, sizeof(i2c_buffer->mmatrix), TIMEOUT);
-#    endif
-    // write backlight info
-#    ifdef BACKLIGHT_ENABLE
-    uint8_t level = is_backlight_enabled() ? get_backlight_level() : 0;
-    if (level != i2c_buffer->backlight_level) {
-        if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_BACKLIGHT_START, (void *)&level, sizeof(level), TIMEOUT) >= 0) {
-            i2c_buffer->backlight_level = level;
-        }
-    }
-#    endif
-
-#    if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
-    if (rgblight_get_change_flags()) {
-        rgblight_syncinfo_t rgblight_sync;
-        rgblight_get_syncinfo(&rgblight_sync);
-        if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_RGB_START, (void *)&rgblight_sync, sizeof(rgblight_sync), TIMEOUT) >= 0) {
-            rgblight_clear_change_flags();
-        }
-    }
-#    endif
-
-#    ifdef ENCODER_ENABLE
-    i2c_readReg(SLAVE_I2C_ADDRESS, I2C_ENCODER_START, (void *)i2c_buffer->encoder_state, sizeof(i2c_buffer->encoder_state), TIMEOUT);
-    encoder_update_raw(i2c_buffer->encoder_state);
-#    endif
-
-#    ifdef WPM_ENABLE
-    uint8_t current_wpm = get_current_wpm();
-    if (current_wpm != i2c_buffer->current_wpm) {
-        if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_WPM_START, (void *)&current_wpm, sizeof(current_wpm), TIMEOUT) >= 0) {
-            i2c_buffer->current_wpm = current_wpm;
-        }
-    }
-#    endif
-
-#    ifdef POINTING_DEVICE_ENABLE
-    if (is_keyboard_left()) {
-        report_mouse_t temp_report = pointing_device_get_report();
-        i2c_readReg(SLAVE_I2C_ADDRESS, I2C_MOUSE_X_START, (void *)&i2c_buffer->mouse_x, sizeof(i2c_buffer->mouse_x), TIMEOUT);
-        temp_report.x = i2c_buffer->mouse_x;
-        i2c_readReg(SLAVE_I2C_ADDRESS, I2C_MOUSE_Y_START, (void *)&i2c_buffer->mouse_y, sizeof(i2c_buffer->mouse_y), TIMEOUT);
-        temp_report.y = i2c_buffer->mouse_y;
-        pointing_device_set_report(temp_report);
-
-        if (device_cpi != i2c_buffer->device_cpi) {
-            if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_MOUSE_DPI_START, (void *)&device_cpi, sizeof(device_cpi), TIMEOUT) >= 0) {
-                i2c_buffer->device_cpi = device_cpi
-            }
-        }
-    }
-#    endif
-
-#    ifdef SPLIT_MODS_ENABLE
-    uint8_t real_mods = get_mods();
-    if (real_mods != i2c_buffer->real_mods) {
-        if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_REAL_MODS_START, (void *)&real_mods, sizeof(real_mods), TIMEOUT) >= 0) {
-            i2c_buffer->real_mods = real_mods;
-        }
-    }
-
-    uint8_t weak_mods = get_weak_mods();
-    if (weak_mods != i2c_buffer->weak_mods) {
-        if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_WEAK_MODS_START, (void *)&weak_mods, sizeof(weak_mods), TIMEOUT) >= 0) {
-            i2c_buffer->weak_mods = weak_mods;
-        }
-    }
-
-#        ifndef NO_ACTION_ONESHOT
-    uint8_t oneshot_mods = get_oneshot_mods();
-    if (oneshot_mods != i2c_buffer->oneshot_mods) {
-        if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_ONESHOT_MODS_START, (void *)&oneshot_mods, sizeof(oneshot_mods), TIMEOUT) >= 0) {
-            i2c_buffer->oneshot_mods = oneshot_mods;
-        }
-    }
-#        endif
-#    endif
-
-    if (layer_state != i2c_buffer->t_layer_state) {
-        if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_LAYER_STATE_START, (void *)&layer_state, sizeof(layer_state), TIMEOUT) >= 0) {
-            i2c_buffer->t_layer_state = layer_state;
-        }
-    }
-
-    if (default_layer_state != i2c_buffer->t_default_layer_state) {
-        if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_DEFAULT_LAYER_STATE_START, (void *)&default_layer_state, sizeof(default_layer_state), TIMEOUT) >= 0) {
-            i2c_buffer->t_default_layer_state = default_layer_state;
-        }
-    }
-
-#    ifdef OLED_DRIVER_ENABLE
-    bool is_oled_on = is_oled_on();
-    if (is_oled_on != i2c_buffer->oled_on) {
-        if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_LAYER_STATE_START, (void *)&is_oled_on, sizeof(is_oled_on), TIMEOUT) >= 0) {
-            i2c_buffer->oled_on = is_oled_on;
-        }
-    }
-#    endif
-
-#    if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
-    i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_LED_MATRIX_START, (void *)led_matrix_eeconfig, sizeof(i2c_buffer->led_matrix), TIMEOUT);
-    bool suspend_state = led_matrix_get_suspend_state();
-    i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_LED_SUSPEND_START, (void *)suspend_state, sizeof(i2c_buffer->led_suspend_state), TIMEOUT);
-#    endif
-#    if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
-    i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_RGB_MATRIX_START, (void *)rgb_matrix_config, sizeof(i2c_buffer->rgb_matrix), TIMEOUT);
-    bool suspend_state = rgb_matrix_get_suspend_state();
-    i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_RGB_SUSPEND_START, (void *)suspend_state, sizeof(i2c_buffer->rgb_suspend_state), TIMEOUT);
-#    endif
-
-#    ifndef DISABLE_SYNC_TIMER
-    i2c_buffer->sync_timer = sync_timer_read32() + SYNC_TIMER_OFFSET;
-    i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_SYNC_TIME_START, (void *)&i2c_buffer->sync_timer, sizeof(i2c_buffer->sync_timer), TIMEOUT);
-#    endif
-
-    return true;
-}
-
-void transport_slave(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
-#    ifndef DISABLE_SYNC_TIMER
-    sync_timer_update(i2c_buffer->sync_timer);
-#    endif
-    // Copy matrix to I2C buffer
-    memcpy((void *)i2c_buffer->smatrix, (void *)slave_matrix, sizeof(i2c_buffer->smatrix));
-#    ifdef SPLIT_TRANSPORT_MIRROR
-    memcpy((void *)master_matrix, (void *)i2c_buffer->mmatrix, sizeof(i2c_buffer->mmatrix));
-#    endif
-
-// Read Backlight Info
-#    ifdef BACKLIGHT_ENABLE
-    backlight_set(i2c_buffer->backlight_level);
-#    endif
-
-#    if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
-    // Update the RGB with the new data
-    if (i2c_buffer->rgblight_sync.status.change_flags != 0) {
-        rgblight_update_sync(&i2c_buffer->rgblight_sync, false);
-        i2c_buffer->rgblight_sync.status.change_flags = 0;
-    }
-#    endif
-
-#    ifdef ENCODER_ENABLE
-    encoder_state_raw(i2c_buffer->encoder_state);
-#    endif
-
-#    ifdef WPM_ENABLE
-    set_current_wpm(i2c_buffer->current_wpm);
-#    endif
-
-#    ifdef POINTING_DEVICE_ENABLE
-    if (!is_keyboard_left()) {
-        static uint16_t cpi;
-        if (cpi != i2c_buffer->device_cpi) {
-            cpi = i2c_buffer->device_cpi;
-            pmw_set_cpi(cpi);
-        }
-        i2c_buffer->mouse_x = split_mouse_x;
-        i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_MOUSE_X_START, (void *)&i2c_buffer->mouse_x, sizeof(i2c_buffer->mouse_x), TIMEOUT);
-        i2c_buffer->mouse_y = split_mouse_y;
-        i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_MOUSE_Y_START, (void *)&i2c_buffer->mouse_y, sizeof(i2c_buffer->mouse_y), TIMEOUT);
-    }
-
-#    endif
-
-#    ifdef SPLIT_MODS_ENABLE
-    set_mods(i2c_buffer->real_mods);
-    set_weak_mods(i2c_buffer->weak_mods);
-#        ifndef NO_ACTION_ONESHOT
-    set_oneshot_mods(i2c_buffer->oneshot_mods);
-#        endif
-#    endif
-
-    if (layer_state != i2c_buffer->t_layer_state) {
-        layer_state = i2c_buffer->t_layer_state;
-    }
-    if (default_layer_state != i2c_buffer->t_default_layer_state) {
-        default_layer_state = i2c_buffer->t_default_layer_state;
-    }
-
-#    ifdef OLED_DRIVER_ENABLE
-    if (i2c_buffer->oled_on) {
-        oled_on();
-    } else {
-        oled_off();
-    }
-#    endif
-
-#    if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
-    memcpy((void *)i2c_buffer->led_matrix, (void *)led_matrix_eeconfig, sizeof(i2c_buffer->led_matrix));
-    led_matrix_set_suspend_state(i2c_buffer->led_suspend_state);
-#    endif
-#    if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
-    memcpy((void *)i2c_buffer->rgb_matrix, (void *)rgb_matrix_config, sizeof(i2c_buffer->rgb_matrix));
-    rgb_matrix_set_suspend_state(i2c_buffer->rgb_suspend_state);
-#    endif
-}
-
-void transport_master_init(void) { i2c_init(); }
-
-void transport_slave_init(void) { i2c_slave_init(SLAVE_I2C_ADDRESS); }
-
-#else  // USE_SERIAL
-
-#    include "serial.h"
-
-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];
-#    ifdef ENCODER_ENABLE
-    uint8_t      encoder_state[NUMBER_OF_ENCODERS];
-#    endif
-    int8_t       mouse_x;
-    int8_t       mouse_y;
-} __attribute__((packed)) Serial_s2m_buffer_t;
-
-typedef struct _Serial_m2s_buffer_t {
-#    ifdef SPLIT_MODS_ENABLE
-    uint8_t       real_mods;
-    uint8_t       weak_mods;
-#        ifndef NO_ACTION_ONESHOT
-    uint8_t       oneshot_mods;
-#        endif
-#    endif
-#    ifndef DISABLE_SYNC_TIMER
-    uint32_t     sync_timer;
-#    endif
-#    ifdef SPLIT_TRANSPORT_MIRROR
-    matrix_row_t mmatrix[ROWS_PER_HAND];
-#    endif
-#    ifdef BACKLIGHT_ENABLE
-    uint8_t       backlight_level;
-#    endif
-#    ifdef WPM_ENABLE
-    uint8_t       current_wpm;
-#    endif
-    uint16_t      device_cpi;
-    bool          oled_on;
-    layer_state_t t_layer_state;
-    layer_state_t t_default_layer_state;
-#    if defined(LED_MATRIX_ENABLE) && defined(LED_MATRIX_SPLIT)
-    led_eeconfig_t led_matrix;
-    bool           led_suspend_state;
-#    endif
-#    if defined(RGB_MATRIX_ENABLE) && defined(RGB_MATRIX_SPLIT)
-    rgb_config_t   rgb_matrix;
-    bool           rgb_suspend_state;
-#    endif
-} __attribute__((packed)) Serial_m2s_buffer_t;
-
-#    if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
-// 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 RGBLIGHT_SPLIT with info on the number
-// of LEDs on each half.
-//
-// Otherwise, if the master side MCU drives both sides RGB LED chains,
-// there is no need to communicate.
-
-typedef struct _Serial_rgblight_t {
-    rgblight_syncinfo_t rgblight_sync;
-} Serial_rgblight_t;
-
-volatile Serial_rgblight_t serial_rgblight = {};
-uint8_t volatile status_rgblight           = 0;
-#    endif
-
-volatile Serial_s2m_buffer_t serial_s2m_buffer = {};
-volatile Serial_m2s_buffer_t serial_m2s_buffer = {};
-uint8_t volatile status0                       = 0;
-
-enum serial_transaction_id {
-    GET_SLAVE_MATRIX = 0,
-#    if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
-    PUT_RGBLIGHT,
-#    endif
-};
-
-SSTD_t transactions[] = {
-    [GET_SLAVE_MATRIX] =
-        {
-            (uint8_t *)&status0,
-            sizeof(serial_m2s_buffer),
-            (uint8_t *)&serial_m2s_buffer,
-            sizeof(serial_s2m_buffer),
-            (uint8_t *)&serial_s2m_buffer,
-        },
-#    if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
-    [PUT_RGBLIGHT] =
-        {
-            (uint8_t *)&status_rgblight, sizeof(serial_rgblight), (uint8_t *)&serial_rgblight, 0, NULL  // no slave to master transfer
-        },
-#    endif
-};
-
-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)); }
-
-#    if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
-
-// rgblight synchronization information communication.
-
-void transport_rgblight_master(void) {
-    if (rgblight_get_change_flags()) {
-        rgblight_get_syncinfo((rgblight_syncinfo_t *)&serial_rgblight.rgblight_sync);
-        if (soft_serial_transaction(PUT_RGBLIGHT) == TRANSACTION_END) {
-            rgblight_clear_change_flags();
-        }
-    }
-}
-
-void transport_rgblight_slave(void) {
-    if (status_rgblight == TRANSACTION_ACCEPTED) {
-        rgblight_update_sync((rgblight_syncinfo_t *)&serial_rgblight.rgblight_sync, false);
-        status_rgblight = TRANSACTION_END;
-    }
-}
-
-#    else
-#        define transport_rgblight_master()
-#        define transport_rgblight_slave()
-#    endif
-
-bool transport_master(matrix_row_t master_matrix[], matrix_row_t slave_matrix[]) {
-#    ifndef SERIAL_USE_MULTI_TRANSACTION
-    if (soft_serial_transaction() != TRANSACTION_END) {
-        return false;
-    }
-#    else
-    transport_rgblight_master();
-    if (soft_serial_transaction(GET_SLAVE_MATRIX) != TRANSACTION_END) {
-        return false;
-    }
-#