[Keyboard] Corne - Remove legacy revision support (#12226)

43 files changed, 417 insertions, 160 deletions

diff --git a/keyboards/crkbd/keymaps/armand1m/keymap.c b/keyboards/crkbd/keymaps/armand1m/keymap.c
index 420661e594..190cb4cf37 100644
--- a/keyboards/crkbd/keymaps/armand1m/keymap.c
+++ b/keyboards/crkbd/keymaps/armand1m/keymap.c
@@ -29,7 +29,7 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
         if (record->event.pressed) {
             SEND_STRING("() => {}");
         } else {
-            SEND_STRING(SS_TAP(X_LEFT) SS_TAP(X_ENTER)); 
+            SEND_STRING(SS_TAP(X_LEFT) SS_TAP(X_ENTER));
         }
         return false;
     }
@@ -69,7 +69,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
 #ifdef OLED_DRIVER_ENABLE
 oled_rotation_t oled_init_user(oled_rotation_t rotation) {
-  if (!is_master) {
+
+  if (!is_keyboard_master()) {
     return OLED_ROTATION_180; // flips the display 180 degrees if offhand
   }
   return rotation;
@@ -93,37 +94,37 @@ void render_bootmagic_status(bool status) {
 void oled_render_amsterdam_flag(void) {
     // 'Flag_of_Amsterdam', 128x32px
     static const char PROGMEM amsterdam_flag[] = {
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x00, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf0, 0xf8, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xf8, 0xf0, 0xe0, 0xc0, 
-        0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xf8, 0xf8, 0xf0, 0xe0, 
-        0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff, 0xff, 0xff, 0xff, 
-        0xfe, 0xfc, 0xfc, 0xfe, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 0x01, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff, 0xff, 0xff, 
-        0xff, 0xfe, 0xfc, 0xfc, 0xfe, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 0x01, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff, 0xff, 
-        0xff, 0xff, 0xfe, 0xfc, 0xfc, 0xfe, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 
-        0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff, 0xff, 0xff, 0xff, 0x7f, 
-        0x3f, 0x3f, 0x3f, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfc, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff, 0xff, 0xff, 
-        0xff, 0x7f, 0x3f, 0x3f, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfc, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff, 0xff, 
-        0xff, 0xff, 0x7f, 0x3f, 0x1f, 0x3f, 0x7f, 0xff, 0xff, 0xff, 0xfe, 0xfc, 0xfc, 0xf8, 0xf0, 0xe0, 
-        0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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, 0x0f, 0x0f, 0x1f, 0x0f, 0x07, 0x03, 0x01, 0x00, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x1f, 0x0f, 0x07, 0x03, 0x01, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x0f, 0x07, 0x03, 0x01, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x1f, 0x0f, 0x07, 0x03, 0x01, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x1f, 0x0f, 0x07, 0x03, 
-        0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x0f, 0x07, 0x03, 
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf0, 0xf8, 0xf8, 0xf0, 0xe0, 0xc0, 0x80,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xf8, 0xf0, 0xe0, 0xc0, 0x80,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xf8, 0xf0, 0xe0, 0xc0,
+        0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xf8, 0xf8, 0xf0, 0xe0,
+        0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff, 0xff, 0xff, 0xff,
+        0xfe, 0xfc, 0xfc, 0xfe, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 0x01, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff, 0xff, 0xff,
+        0xff, 0xfe, 0xfc, 0xfc, 0xfe, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 0x01,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff, 0xff,
+        0xff, 0xff, 0xfe, 0xfc, 0xfc, 0xfe, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03,
+        0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff, 0xff, 0xff, 0xff, 0x7f,
+        0x3f, 0x3f, 0x3f, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfc, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff, 0xff, 0xff,
+        0xff, 0x7f, 0x3f, 0x3f, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfc, 0xf8, 0xf0, 0xe0, 0xc0, 0x80,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff, 0xff,
+        0xff, 0xff, 0x7f, 0x3f, 0x1f, 0x3f, 0x7f, 0xff, 0xff, 0xff, 0xfe, 0xfc, 0xfc, 0xf8, 0xf0, 0xe0,
+        0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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, 0x0f, 0x0f, 0x1f, 0x0f, 0x07, 0x03, 0x01, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x1f, 0x0f, 0x07, 0x03, 0x01, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x0f, 0x07, 0x03, 0x01, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x1f, 0x0f, 0x07, 0x03, 0x01,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x1f, 0x0f, 0x07, 0x03,
+        0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x0f, 0x07, 0x03,
         0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
     };
     oled_write_raw_P(amsterdam_flag, sizeof(amsterdam_flag));
diff --git a/keyboards/crkbd/keymaps/default/keymap.c b/keyboards/crkbd/keymaps/default/keymap.c
index 27e3c84061..0bc4591263 100644
--- a/keyboards/crkbd/keymaps/default/keymap.c
+++ b/keyboards/crkbd/keymaps/default/keymap.c
@@ -17,6 +17,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include QMK_KEYBOARD_H
+#include <stdio.h>
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   [0] = LAYOUT_split_3x6_3(
@@ -71,7 +72,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
 #ifdef OLED_DRIVER_ENABLE
 oled_rotation_t oled_init_user(oled_rotation_t rotation) {
-  if (!is_master) {
+  if (!is_keyboard_master()) {
     return OLED_ROTATION_180;  // flips the display 180 degrees if offhand
   }
   return rotation;
@@ -157,7 +158,7 @@ void oled_render_logo(void) {
 }
 
 void oled_task_user(void) {
-    if (is_master) {
+    if (is_keyboard_master()) {
         oled_render_layer_state();
         oled_render_keylog();
     } else {
diff --git a/keyboards/crkbd/keymaps/dsanchezseco/keymap.c b/keyboards/crkbd/keymaps/dsanchezseco/keymap.c
index a2e799e198..9a48ee2595 100644
--- a/keyboards/crkbd/keymaps/dsanchezseco/keymap.c
+++ b/keyboards/crkbd/keymaps/dsanchezseco/keymap.c
@@ -1,15 +1,10 @@
 #include QMK_KEYBOARD_H
-#include "split_util.h"
-
-extern keymap_config_t keymap_config;
 
 #ifdef RGBLIGHT_ENABLE
 //Following line allows macro to read current RGB settings
 extern rgblight_config_t rgblight_config;
 #endif
 
-extern uint8_t is_master;
-
 #define LOWER MO(_LOWER)
 #define RAISE MO(_RAISE)
 #define ESC_CTL LCTL_T(KC_ESC)
@@ -26,7 +21,7 @@ enum crkbd_layers {
 };
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-  [_DVORAK] = LAYOUT( \
+  [_DVORAK] = LAYOUT_split_3x6_3( \
   //,-----------------------------------------------.          ,-----------------------------------------------.
      KC_TAB, KC_QUOT,KC_COMM, KC_DOT, KC_P,   KC_Y,              KC_F,   KC_G,   KC_C,   KC_R,   KC_L,  KC_SLSH,\
   //|-------+-------+-------+-------+-------+-------|          |-------+-------+-------+-------+-------+-------|
@@ -39,7 +34,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   ),
 
 
-  [_LOWER] = LAYOUT( \
+  [_LOWER] = LAYOUT_split_3x6_3( \
   //,-----------------------------------------------.          ,-----------------------------------------------.
      KC_TILD,KC_EXLM, KC_AT, KC_HASH, KC_DLR,KC_PERC,           KC_CIRC,KC_AMPR,KC_ASTR,KC_LPRN,KC_RIGHT,KC_RPRN,\
   //|-------+-------+-------+-------+-------+-------|          |-------+-------+-------+-------+-------+-------|
@@ -51,7 +46,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
                              //`-----------------------'  `----------------------'
   ),
 
-  [_RAISE] = LAYOUT( \
+  [_RAISE] = LAYOUT_split_3x6_3( \
   //,-----------------------------------------------.          ,-----------------------------------------------.
      KC_GRV,  KC_1,    KC_2,   KC_3,   KC_4,  KC_5,              KC_6,    KC_7,  KC_8,    KC_9,KC_RIGHT,  KC_0, \
   //|-------+-------+-------+-------+-------+-------|          |-------+-------+-------+-------+-------+-------|
@@ -63,7 +58,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
                              //`-----------------------'  `----------------------'
   ),
 
-  [_ADJUST] = LAYOUT( \
+  [_ADJUST] = LAYOUT_split_3x6_3( \
   //,-----------------------------------------------.          ,-----------------------------------------------.
      RGB_TOG,RGB_HUI,RGB_SAI,RGB_VAI,_______,RGB_M_T,          _______,_______,_______,_______,KC_RIGHT,_______,\
   //|-------+-------+-------+-------+-------+-------|          |-------+-------+-------+-------+-------+-------|
@@ -82,7 +77,7 @@ uint32_t layer_state_set_user(uint32_t state) {
 
 #ifdef OLED_DRIVER_ENABLE
 oled_rotation_t oled_init_user(oled_rotation_t rotation) {
-  if (!isLeftHand)
+  if (!is_keyboard_left())
     return OLED_ROTATION_180;  // flips the display 180 to see it from my side
   return rotation;
 }
diff --git a/keyboards/crkbd/keymaps/gotham/keymap.c b/keyboards/crkbd/keymaps/gotham/keymap.c
index 6657f21ee9..8b864277c8 100644
--- a/keyboards/crkbd/keymaps/gotham/keymap.c
+++ b/keyboards/crkbd/keymaps/gotham/keymap.c
@@ -11,7 +11,7 @@
 
 // clang-format off
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-  [_QWERTY] = LAYOUT(
+  [_QWERTY] = LAYOUT_split_3x6_3(
   //|-----------------------------------------------------|                    |-----------------------------------------------------|
      KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,                         KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSLS,
   //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
@@ -25,7 +25,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
   ),
 
-  [_LOWER] = LAYOUT(
+  [_LOWER] = LAYOUT_split_3x6_3(
   //|-----------------------------------------------------|                    |-----------------------------------------------------|
      KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,                         KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    _______,
   //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
@@ -37,7 +37,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
                                       //|--------------------------|  |--------------------------|
   ),
 
-  [_RAISE] = LAYOUT(
+  [_RAISE] = LAYOUT_split_3x6_3(
   //|-----------------------------------------------------|                    |-----------------------------------------------------|
      KC_ESC,  KC_HASH, KC_DLR,  KC_LCBR, KC_RCBR, XXXXXXX,                      XXXXXXX, KC_AMPR, KC_PIPE, KC_EXLM, KC_ASTR, XXXXXXX,
   //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
@@ -49,7 +49,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
                                       //|--------------------------|  |--------------------------|
   ),
 
-  [_ADJUST] = LAYOUT(
+  [_ADJUST] = LAYOUT_split_3x6_3(
   //|-----------------------------------------------------|                    |-----------------------------------------------------|
      XXXXXXX, CK_RST,  CK_DOWN, CK_UP,   CK_TOGG, RGB_TOG,                       MU_TOG, KC_F12,  KC_F7,   KC_F8,   KC_F9,   XXXXXXX,\
   //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
diff --git a/keyboards/crkbd/keymaps/gotham/oled.c b/keyboards/crkbd/keymaps/gotham/oled.c
index ac6f236fc6..4d2c10b60a 100644
--- a/keyboards/crkbd/keymaps/gotham/oled.c
+++ b/keyboards/crkbd/keymaps/gotham/oled.c
@@ -257,7 +257,7 @@ void oled_task_user(void) {
     }
     #endif
 
-    if (is_master) {
+    if (is_keyboard_master()) {
         render_status_main();
     } else {
         render_status_secondary();
diff --git a/keyboards/crkbd/keymaps/hvp/config.h b/keyboards/crkbd/keymaps/hvp/config.h
index c5c6d1cba8..f32ec8cfbe 100644
--- a/keyboards/crkbd/keymaps/hvp/config.h
+++ b/keyboards/crkbd/keymaps/hvp/config.h
@@ -29,6 +29,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // #define EE_HANDS
 
 #define SSD1306OLED
+#define USE_SSD_I2C
+
 
 #define USE_SERIAL_PD2
 
diff --git a/keyboards/crkbd/keymaps/hvp/keymap.c b/keyboards/crkbd/keymaps/hvp/keymap.c
index 9e1cd5f01c..9e72504653 100644
--- a/keyboards/crkbd/keymaps/hvp/keymap.c
+++ b/keyboards/crkbd/keymaps/hvp/keymap.c
@@ -1,13 +1,15 @@
 #include QMK_KEYBOARD_H
 #include "hvp.c"
+#ifdef SSD1306OLED
+#    include "ssd1306.h"
+#    include <string.h>
+#endif
 
 #ifdef RGBLIGHT_ENABLE
 //Following line allows macro to read current RGB settings
 extern rgblight_config_t rgblight_config;
 #endif
 
-extern uint8_t is_master;
-
 // Each layer gets a name for readability, which is then used in the keymap matrix below.
 // The underscores don't mean anything - you can have a layer called STUFF or any other name.
 // Layer names don't all need to be of the same length, obviously, and you can also skip them
@@ -25,7 +27,7 @@ enum custom_keycodes {
 };
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-  [_QWERTY] = LAYOUT(
+  [_QWERTY] = LAYOUT_split_3x6_3(
   //,-----------------------------------------.                ,-----------------------------------------.
      LT(_ADJUST,KC_TAB),  KC_Q,  KC_W,  KC_E,  KC_R,  KC_T,                   KC_Y,  KC_U,  KC_I,  KC_O,  KC_P,KC_BSPC,
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
@@ -33,35 +35,35 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
     KC_LCTL,  KC_Z,  KC_X,  KC_C,  KC_V,  KC_B,                   KC_N,  KC_M,KC_COMM,KC_DOT,TD(TD3),KC_SFTENT,
   //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                KC_LGUI, LT(1,KC_SPC),MT(MOD_LSFT, KC_SPC),   MT(MOD_LSFT,KC_ENT), LT(2,KC_SPC),KC_LALT 
+                                KC_LGUI, LT(1,KC_SPC),MT(MOD_LSFT, KC_SPC),   MT(MOD_LSFT,KC_ENT), LT(2,KC_SPC),KC_LALT
                               //`--------------------'  `--------------------'
   ),
-  
-  [_RAISE] = LAYOUT( 
+
+  [_RAISE] = LAYOUT_split_3x6_3(
   //,-----------------------------------------.                ,-----------------------------------------.
      KC_GRV,  KC_1,  KC_2,  KC_3,  KC_4,  KC_5,                   KC_6,  KC_7,  KC_8,  KC_9,  KC_0,KC_BSPC,
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
     KC_DEL, _______, _______, _______, _______, _______,                _______,KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS,
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
-    KC_LCTL, _______, _______, _______, _______, _______,                  _______, KC_UNDS, KC_PLUS,  KC_LCBR, KC_RCBR, KC_PIPE, 
+    KC_LCTL, _______, _______, _______, _______, _______,                  _______, KC_UNDS, KC_PLUS,  KC_LCBR, KC_RCBR, KC_PIPE,
   //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                _______, _______, _______, _______, _______, _______ 
+                                _______, _______, _______, _______, _______, _______
                               //`--------------------'  `--------------------'
   ),
 
-  [_LOWER] = LAYOUT(
+  [_LOWER] = LAYOUT_split_3x6_3(
   //,-----------------------------------------.                ,-----------------------------------------.
      KC_TAB,KC_EXLM,KC_AT,KC_HASH,KC_DLR,KC_PERC,              KC_CIRC,KC_AMPR,KC_ASTR,KC_LPRN,KC_RPRN,KC_BSPC,
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
     KC_DEL, _______, _______, _______, _______, _______, _______,KC_UNDS, KC_PLUS,  KC_LCBR, KC_RCBR, KC_BSLS,
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
-    KC_LCTL, _______, _______, _______, _______, _______, _______,  KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_TILD, 
+    KC_LCTL, _______, _______, _______, _______, _______, _______,  KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_TILD,
   //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                _______, _______, _______, _______, _______, _______ 
+                                _______, _______, _______, _______, _______, _______
                               //`--------------------'  `--------------------'
   ),
 
-  [_ADJUST] = LAYOUT(
+  [_ADJUST] = LAYOUT_split_3x6_3(
   //,-----------------------------------------.                ,-----------------------------------------.
       _______,KC_F2, KC_F3, KC_F4, KC_F5, KC_F6,                  KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12,
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
@@ -69,12 +71,12 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
     RESET,KC_PSCR,_______,_______,_______,_______,                 KC_HOME, KC_PGDN, KC_PGUP, KC_END, _______, _______,
   //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                _______, KC_VOLD,KC_MPLY, KC_MNXT, KC_VOLU,_______ 
+                                _______, KC_VOLD,KC_MPLY, KC_MNXT, KC_VOLU,_______
                               //`--------------------'  `--------------------'
   )
 };
 
-int RGB_current_mode; 
+int RGB_current_mode;
 
 // Setting ADJUST layer RGB back to default
 void update_tri_layer_RGB(uint8_t layer1, uint8_t layer2, uint8_t layer3) {
@@ -91,7 +93,7 @@ void matrix_init_user(void) {
     #endif
     //SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
     #ifdef SSD1306OLED
-        iota_gfx_init(!has_usb());   // turns on the display
+        iota_gfx_init();   // turns on the display
     #endif
 }
 
@@ -115,10 +117,10 @@ void matrix_scan_user(void) {
 }
 
 void matrix_render_user(struct CharacterMatrix *matrix) {
-  if (is_master) {
+  if (is_keyboard_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(matrix, read_layer_state());
+    matrix_write(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());
@@ -180,4 +182,4 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
       break;
   }
   return true;
-}
\ No newline at end of file
+}
diff --git a/keyboards/crkbd/keymaps/hvp/rules.mk b/keyboards/crkbd/keymaps/hvp/rules.mk
index 03859ab633..640a07b305 100644
--- a/keyboards/crkbd/keymaps/hvp/rules.mk
+++ b/keyboards/crkbd/keymaps/hvp/rules.mk
@@ -1,4 +1,7 @@
 
+VPATH += keyboards/crkbd/lib
+LIB_SRC += ssd1306.c i2c.c
+
 # If you want to change the display of OLED, you need to change here
 SRC +=  ./lib/glcdfont.c \
         ./lib/rgb_state_reader.c \
@@ -11,4 +14,4 @@ SRC +=  ./lib/glcdfont.c \
 
 TAP_DANCE_ENABLE = yes
 EXTRAKEY_ENABLE = yes        # Audio control and System control
-# LOCAL_GLCDFONT = yes
\ No newline at end of file
+# LOCAL_GLCDFONT = yes
diff --git a/keyboards/crkbd/keymaps/jarred/config.h b/keyboards/crkbd/keymaps/jarred/config.h
index ac4c1cc88f..012356241d 100644
--- a/keyboards/crkbd/keymaps/jarred/config.h
+++ b/keyboards/crkbd/keymaps/jarred/config.h
@@ -29,6 +29,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // #define EE_HANDS
 
 #define SSD1306OLED
+#define USE_SSD_I2C
 
 #define USE_SERIAL_PD2
 
diff --git a/keyboards/crkbd/keymaps/jarred/keymap.c b/keyboards/crkbd/keymaps/jarred/keymap.c
index f00a735bfc..b938636c2a 100644
--- a/keyboards/crkbd/keymaps/jarred/keymap.c
+++ b/keyboards/crkbd/keymaps/jarred/keymap.c
@@ -9,8 +9,6 @@
   #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
@@ -24,7 +22,7 @@ extern rgblight_config_t rgblight_config;
                    K31, K32, K33, K34, K35, K36 \
   )
 
-#define LAYOUT_crkbd_wrapper(...) LAYOUT(__VA_ARGS__)
+#define LAYOUT_crkbd_wrapper(...) LAYOUT_split_3x6_3(__VA_ARGS__)
 
 #define QWERTY_4_CRKBD KC_LCTL, MO(_LW), KC_SPC, KC_ENT, MO(_LW), KC_RALT
 
@@ -37,28 +35,28 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
     QWERTY_3_12,
     QWERTY_4_DOX
   ),
-  
+
   [_LW] = LAYOUT_crkbd_wrapper(
     LOWER_1_12,
     LOWER_2_12,
     LOWER_3_12,
     LOWER_4_DOX
   ),
-  
+
   [_NV] = LAYOUT_crkbd_wrapper(
     NAV_1_12,
     NAV_2_12,
     NAV_3_12,
     NAV_4_DOX
   ),
-  
+
   [_NP] = LAYOUT_crkbd_wrapper(
     NUMPAD_1_12,
     NUMPAD_2_12,
     NUMPAD_3_12,
     NUMPAD_4_DOX
   ),
-  
+
   [_MS] = LAYOUT_crkbd_wrapper(
     MOUSE_1_12,
     MOUSE_2_12,
@@ -70,7 +68,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 void matrix_init_user(void) {
     //SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
     #ifdef SSD1306OLED
-        iota_gfx_init(!has_usb());   // turns on the display
+        iota_gfx_init();   // turns on the display
     #endif
 }
 
@@ -87,9 +85,9 @@ char matrix_line_str[24];
 
 const char *read_layer_state(void) {
   uint8_t layer = biton32(layer_state);
-  
+
   strcpy(matrix_line_str, "Layer: ");
-  
+
   switch (layer)
   {
     case _QW:
@@ -115,9 +113,9 @@ const char *read_layer_state(void) {
 }
 
 const char *read_usb_state(void) {
-  
+
   strcpy(matrix_line_str, "USB  : ");
-  
+
   switch (USB_DeviceState) {
     case DEVICE_STATE_Unattached:
       strcat(matrix_line_str, "Unattached");
@@ -149,10 +147,13 @@ void matrix_scan_user(void) {
 }
 
 void matrix_render_user(struct CharacterMatrix *matrix) {
-  if (is_master) {
-    matrix_write_ln(matrix, read_layer_state());
-    matrix_write_ln(matrix, read_usb_state());
-    matrix_write_ln(matrix, read_keylogs());
+  if (is_keyboard_master()) {
+    matrix_write(matrix, read_layer_state());
+    matrix_write(matrix, "\n");
+    matrix_write(matrix, read_usb_state());
+    matrix_write(matrix, "\n");
+    matrix_write(matrix, read_keylogs());
+    matrix_write(matrix, "\n");
   } else {
     matrix_write(matrix, read_logo());
   }
diff --git a/keyboards/crkbd/keymaps/jarred/rules.mk b/keyboards/crkbd/keymaps/jarred/rules.mk
index ab6329f0eb..5806ce0930 100644
--- a/keyboards/crkbd/keymaps/jarred/rules.mk
+++ b/keyboards/crkbd/keymaps/jarred/rules.mk
@@ -14,7 +14,7 @@ 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 = yes       # Enable WS2812 RGB underlight. 
+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
@@ -29,3 +29,6 @@ SRC +=  ./lib/glcdfont.c \
         # ./lib/mode_icon_reader.c \
         # ./lib/host_led_state_reader.c