Helix five rows jis (#3274)

* Added keymap for Helix like Japanese JIS keyboard.

* * Refactored
* Supported to display of exchange layer

1 files changed, 551 insertions, 0 deletions

diff --git a/keyboards/helix/rev2/keymaps/five_rows_jis/keymap.c b/keyboards/helix/rev2/keymaps/five_rows_jis/keymap.c
new file mode 100644
index 000000000..480ae2f03
--- /dev/null
+++ b/keyboards/helix/rev2/keymaps/five_rows_jis/keymap.c
@@ -0,0 +1,551 @@
+#include "helix.h"
+#include "bootloader.h"
+#include "action_layer.h"
+#include "eeconfig.h"
+#ifdef PROTOCOL_LUFA
+#include "lufa.h"
+#include "split_util.h"
+#endif
+#include "LUFA/Drivers/Peripheral/TWI.h"
+#ifdef AUDIO_ENABLE
+  #include "audio.h"
+#endif
+#ifdef SSD1306OLED
+  #include "ssd1306.h"
+#endif
+
+// * If you want to recognize that you pressed the Adjust key with the Lower / Raise key you can enable this comment out. However, the binary size may be over. *
+// #define ADJUST_MACRO_ENABLE
+
+// * If you want to use the Kana key you can enable this comment out. However, the binary size may be over. *
+// #define KANA_ENABLE
+
+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;
+
+// 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
+// entirely and just use numbers.
+enum layer_number {
+  _BASE = 0,
+  _BAS_E,
+  _LOWER,
+  _LOW_E,
+  _RAISE,
+  _RAI_E,
+  _ADJUST,
+};
+
+enum custom_keycodes {
+  BASE = SAFE_RANGE,
+  BAS_E,
+  LOWER,
+  LOW_E,
+  RAISE,
+  RAI_E,
+  ADJUST,
+  EISU,
+  #ifdef KANA_ENABLE
+  KANA,
+  #endif
+  RGBRST
+};
+
+// JIS key aliases
+#define JP_CFTD KC_EQL   // ^ and ~ Circumflex (Hat) and Tilde
+#define JP_ATBQ KC_LBRC  // @ and ` Atmark and Back-quote
+#define JP_CLAS KC_QUOT  // : and * Colon and Asterisk
+#define JP_BSVL KC_JYEN  // \ and | Back slash and and Vertical-line)
+#define JP_LBRC KC_RBRC  // [ and { Left-bracket
+#define JP_RBRC KC_BSLS  // ] and } Right-bracket
+#define JP_BSUS KC_RO    // \ and _ Back slash and Under-score
+
+// Fillers to make layering more clear
+#define _______ KC_TRNS
+#define XXXXXXX KC_NO
+
+#if HELIX_ROWS == 5
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  /* Qwerty JIS Normal
+   * ,-----------------------------------------.             ,-----------------------------------------.
+   * | Esc  |  1!  |  2"  |  3#  |  4$  |  5%  |             |  6&  |  7'  |  8(  |  9)  |   0  |  -=  |
+   * |------+------+------+------+------+------|             |------+------+------+------+------+------|
+   * | KANJI|   Q  |   W  |   E  |   R  |   T  |             |   Y  |   U  |   I  |   O  |   P  |  @`  |
+   * |------+------+------+------+------+------|             |------+------+------+------+------+------|
+   * | Tab  |   A  |   S  |   D  |   F  |   G  |             |   H  |   J  |   K  |   L  |  ;+  |  :*  |
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+   * | Shift|   Z  |   X  |   C  |   V  |   B  |   N  |   B  |   N  |   M  |  ,<  |  .>  |  Up  |Enter |
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+   * | Ctrl | GUI  | Alt  |Adjust|Lower |Space |Bksp  |Space |Space |Raise | APP  | Left | Down |Right |
+   * `-------------------------------------------------------------------------------------------------'
+   */
+  [_BASE] = LAYOUT( \
+    KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,                      KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, \
+    EISU,    KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,                      KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    JP_ATBQ, \
+    KC_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,                      KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, JP_CLAS, \
+    KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_UP,   KC_ENT,  \
+    KC_LCTL, KC_LALT, KC_LGUI, ADJUST,  LOWER,   KC_SPC,  KC_BSPC, KC_SPC,  KC_SPC,  RAISE,   KC_APP,  KC_LEFT, KC_DOWN, KC_RGHT  \
+    ),
+
+  /* Qwerty JIS Exchange L and R
+   * ,-----------------------------------------.             ,-----------------------------------------.
+   * |  6&  |  7'  |  8(  |  9)  |   0  |  -=  |             | Esc  |  1!  |  2"  |  3#  |  4$  |  5%  |
+   * |------+------+------+------+------+------|             |------+------+------+------+------+------|
+   * |   Y  |   U  |   I  |   O  |   P  |  @`  |             | Tab  |   Q  |   W  |   E  |   R  |   T  |
+   * |------+------+------+------+------+------|             |------+------+------+------+------+------|
+   * |   H  |   J  |   K  |   L  |  ;+  |  :*  |             |      |   A  |   S  |   D  |   F  |   G  |
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+   * |   N  |   M  |  ,<  |  .>  |  /?  |  Up  |Enter |KANJI | Shift|   Z  |   X  |   C  |   V  |   B  |
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+   * |Space |Raise |  }]  | APP  | Left | Down |Right |Adjust| Ctrl | GUI  | Alt  |  [{  |Lower | Bksp |
+   * `-------------------------------------------------------------------------------------------------'
+   */
+  [_BAS_E] = LAYOUT( \
+    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS,                   KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,   \
+    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    JP_ATBQ,                   KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,   \
+    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, JP_CLAS,                   XXXXXXX, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,   \
+    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_UP,   KC_ENT,  EISU,    KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,   \
+    KC_SPC,  RAI_E,   JP_RBRC, KC_APP,  KC_LEFT, KC_DOWN, KC_RGHT, ADJUST,  KC_LCTL, KC_LALT, KC_LGUI, JP_LBRC, LOW_E,   KC_BSPC \
+    ),
+
+  /* Lower JIS Normal
+   * ,-----------------------------------------.             ,-----------------------------------------.
+   * |      |      |      |      |      |      |             |      |      |      |  -=  |  ^~  |  \|  |
+   * |------+------+------+------+------+------|             |------+------+------+------+------+------|
+   * |      |      |      |      |      |      |             |      |      |      |      |  @`  |  [{  |
+   * |------+------+------+------+------+------|             |------+------+------+------+------+------|
+   * |      |      |      |      |      |      |             |      |      |      |  ;+  |  :*  |  ]}  |
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+   * |      |      |      |      |      |      |      |      |      |      |  ,<  |  .>  |  /?  |  \_  |
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+   * |      |      |      |      |      |      | Del  |      |      |      |      |      |      |      |
+   * `-------------------------------------------------------------------------------------------------'
+   */
+  [_LOWER] = LAYOUT( \
+    _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                   XXXXXXX, XXXXXXX, XXXXXXX, KC_MINS, JP_CFTD, JP_BSVL, \
+    _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, JP_ATBQ, JP_LBRC, \
+    _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                   XXXXXXX, XXXXXXX, XXXXXXX, KC_SCLN, JP_CLAS, JP_RBRC, \
+    _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_COMM, KC_DOT,  KC_SLSH, JP_BSUS, \
+    _______, _______, _______, _______, XXXXXXX, XXXXXXX, KC_DEL,  _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX  \
+    ),
+
+  /* Lower JIS Exchange L and R
+   * ,-----------------------------------------.             ,-----------------------------------------.
+   * |      |      |      |  -=  |  ^~  |  \|  |             |      |      |      |      |      |      |
+   * |------+------+------+------+------+------|             |------+------+------+------+------+------|
+   * |      |      |      |      |  @`  |  [{  |             |      |      |      |      |      |      |
+   * |------+------+------+------+------+------|             |------+------+------+------+------+------|
+   * |      |      |      |  ;+  |  :*  |  ]}  |             |      |      |      |      |      |      |
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+   * |      |  ,<  |  .>  |  /?  |  \_  |PageUp|      |      |      |      |      |      |      |      |
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+   * |      |      |      |      | Home |PageDn| End  |      |      |      |      |      |      | Del  |
+   * `-------------------------------------------------------------------------------------------------'
+   */
+  [_LOW_E] = LAYOUT( \
+    _______, XXXXXXX, XXXXXXX, KC_MINS, JP_CFTD, JP_BSVL,                   _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, \
+    _______, XXXXXXX, XXXXXXX, XXXXXXX, JP_ATBQ, JP_LBRC,                   _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, \
+    _______, XXXXXXX, XXXXXXX, KC_SCLN, JP_CLAS, JP_RBRC,                   _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, \
+    _______, KC_COMM, KC_DOT,  KC_SLSH, JP_BSUS, KC_PGUP, XXXXXXX, XXXXXXX, _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, \
+    _______, _______, XXXXXXX, _______, KC_HOME, KC_PGDN, KC_END,  _______, _______, _______, _______, XXXXXXX, _______, KC_DEL   \
+    ),
+
+  /* Raise JIS Normal
+   * ,-----------------------------------------.             ,-----------------------------------------.
+   * |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |             |  F7  |  F8  |  F9  |  F10 |  F11 | F12  |
+   * |------+------+------+------+------+------|             |------+------+------+------+------+------|
+   * |      |      |      |      |      |      |             |      |      |      |      | Home |PageUp|
+   * |------+------+------+------+------+------|             |------+------+------+------+------+------|
+   * |      |      |      |      |      |      |             |      |      |      |      | End  |PageDn|
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+   * |      |MsBtn1|MsBtn2|      |      |      |      |      |      |      |      |      | MsUp |      |
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+   * |      |      |      |      |      |      |      |      |      |      |      |MsLeft|MsDown|MsRght|
+   * `-------------------------------------------------------------------------------------------------'
+   */
+  [_RAISE] = LAYOUT( \
+    KC_F1  , KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,                     KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  \
+    _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_HOME, KC_PGUP, \
+    _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_END,  KC_PGDN, \
+    _______, KC_BTN1, KC_BTN2, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_MS_U, XXXXXXX, \
+    _______, _______, _______, _______, XXXXXXX, XXXXXXX, _______, _______, XXXXXXX, XXXXXXX, XXXXXXX, KC_MS_L, KC_MS_D, KC_MS_R  \
+    ),
+
+  /* Raise JIS Exchange L and R
+   * ,-----------------------------------------.             ,-----------------------------------------.
+   * |  F7  |  F8  |  F9  |  F10 |  F11 | F12  |             |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |
+   * |------+------+------+------+------+------|             |------+------+------+------+------+------|
+   * |      |      |      |      |      |      |             |      |      |      |      |      |      |
+   * |------+------+------+------+------+------|             |------+------+------+------+------+------|
+   * |      |      |      |      |      |      |             |      |      |      |      |      |      |
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+   * |      |      |      |      |      | MsUp |      |      |      |MsBtn1|MsBtn2|      |      |      |
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+   * |      |      |      |      |MsLeft|MsDown|MsRght|      |      |      |      |      |      |      |
+   * `-------------------------------------------------------------------------------------------------'
+   */
+  [_RAI_E] = LAYOUT( \
+    KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,                    KC_F1  , KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   \
+    XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                   _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, \
+    XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                   _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, \
+    XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_MS_U, XXXXXXX, XXXXXXX, _______, KC_BTN1, KC_BTN2, XXXXXXX, XXXXXXX, XXXXXXX, \
+    _______, _______, XXXXXXX, _______, KC_MS_L, KC_MS_D, KC_MS_R, _______, _______, _______, _______, XXXXXXX, _______, XXXXXXX  \
+    ),
+
+  /* Adjust (Lower + Raise) Common map for Normal and Exchange
+   * ,-----------------------------------------.             ,-----------------------------------------.
+   * |      | Reset|RGBRST|Aud on|Audoff|      |             |      | Reset|RGBRST|Aud on|Audoff|      |
+   * |------+------+------+------+------+------|             |------+------+------+------+------+------|
+   * |      |ModNrm|ModExc| Mac  | Win  |      |             |      |ModNrm|ModExc| Mac  | Win  |      |
+   * |------+------+------+------+------+------|             |------+------+------+------+------|------+
+   * |      |RGB ON| HUE+ | SAT+ | VAL+ |      |             |      |RGB ON| HUE+ | SAT+ | VAL+ |      |
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------|------+
+   * |      | MODE | HUE- | SAT- | VAL- |      |      |      |      | MODE | HUE- | SAT- | VAL- |      |
+   * |------+------+------+------+------+------+------+------+------+------+------+------+------+------|
+   * |      |      |      |      |      |      |      |      |      |      |      |      |      |      |
+   * `-------------------------------------------------------------------------------------------------'
+   */
+  [_ADJUST] =  LAYOUT( \
+    XXXXXXX, RESET,   RGBRST,  AU_ON,   AU_OFF,  XXXXXXX,                   XXXXXXX, RESET,   RGBRST,  AU_ON,   AU_OFF,  XXXXXXX, \
+    XXXXXXX, BASE,    BAS_E,   AG_NORM, AG_SWAP, XXXXXXX,                   XXXXXXX, BASE,    BAS_E,   AG_NORM, AG_SWAP, XXXXXXX, \
+    XXXXXXX, RGB_TOG, RGB_HUI, RGB_SAI, RGB_VAI, XXXXXXX,                   XXXXXXX, RGB_TOG, RGB_HUI, RGB_SAI, RGB_VAI, XXXXXXX, \
+    XXXXXXX, RGB_SMOD,RGB_HUD, RGB_SAD, RGB_VAD, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, RGB_SMOD,RGB_HUD, RGB_SAD, RGB_VAD, XXXXXXX, \
+    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______  \
+    ),
+};
+
+#elif HELIX_ROWS == 4
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+	// Do it yourself :)
+};
+
+#else
+#error "undefined keymaps"
+#endif
+
+
+#ifdef AUDIO_ENABLE
+float tone_qwerty[][2]     = SONG(QWERTY_SOUND);
+float music_scale[][2]     = SONG(MUSIC_SCALE_SOUND);
+#endif
+
+// define variables for reactive RGB
+bool TOG_STATUS = false;
+int RGB_current_mode;
+
+void persistent_default_layer_set(uint16_t default_layer) {
+  eeconfig_update_default_layer(default_layer);
+  default_layer_set(default_layer);
+}
+
+#ifdef ADJUST_MACRO_ENABLE
+// Setting ADJUST layer RGB back to default
+void update_tri_layer_RGB(uint8_t layer1, uint8_t layer2, uint8_t layer3) {
+  if (IS_LAYER_ON(layer1) && IS_LAYER_ON(layer2)) {
+    #ifdef RGBLIGHT_ENABLE
+      rgblight_mode(RGB_current_mode);
+    #endif
+    layer_on(layer3);
+   } else {
+    layer_off(layer3);
+  }
+}
+#endif
+
+void toggle_lower_raise_layer(bool pressed, uint16_t dist_layer, uint16_t lower_layer, uint16_t raise_layer) {
+  if (pressed) {
+    //not sure how to have keyboard check mode and set it to a variable, so my work around
+    //uses another variable that would be set to true after the first time a reactive key is pressed.
+    if (!TOG_STATUS) { //TOG_STATUS checks is another reactive key currently pressed, only changes RGB mode if returns false
+      TOG_STATUS = !TOG_STATUS;
+      #ifdef RGBLIGHT_ENABLE
+        if (dist_layer == _LOWER || dist_layer == _LOW_E) {
+          rgblight_mode(16);
+        } else {
+          rgblight_mode(15);
+        }
+      #endif
+    }
+
+    layer_on(dist_layer);
+    #ifdef ADJUST_MACRO_ENABLE
+      update_tri_layer_RGB(lower_layer, raise_layer, _ADJUST);
+    #endif
+  } else {
+    #ifdef RGBLIGHT_ENABLE
+      rgblight_mode(RGB_current_mode);   // revert RGB to initial mode prior to RGB mode change
+    #endif
+    TOG_STATUS = false;
+    layer_off(dist_layer);
+    #ifdef ADJUST_MACRO_ENABLE
+      update_tri_layer_RGB(lower_layer, raise_layer, _ADJUST);
+    #endif
+  }
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch (keycode) {
+    case BASE:
+      if (record->event.pressed) {
+        #ifdef AUDIO_ENABLE
+          PLAY_SONG(tone_qwerty);
+        #endif
+        persistent_default_layer_set(1UL<<_BASE);
+      }
+      return false;
+      break;
+    case BAS_E:
+      if (record->event.pressed) {
+        #ifdef AUDIO_ENABLE
+          PLAY_SONG(tone_qwerty);
+        #endif
+        persistent_default_layer_set(1UL<<_BAS_E);
+      }
+      return false;
+      break;
+    case LOWER:
+      toggle_lower_raise_layer(record->event.pressed, _LOWER, _LOWER, _RAISE);
+      return false;
+      break;
+    case LOW_E:
+      toggle_lower_raise_layer(record->event.pressed, _LOW_E, _LOW_E, _RAI_E);
+      return false;
+      break;
+    case RAISE:
+      toggle_lower_raise_layer(record->event.pressed, _RAISE, _LOWER, _RAISE);
+      return false;
+      break;
+    case RAI_E:
+      toggle_lower_raise_layer(record->event.pressed, _RAI_E, _LOW_E, _RAI_E);
+      return false;
+      break;
+    case ADJUST:
+        if (record->event.pressed) {
+          #ifdef RGBLIGHT_ENABLE
+            rgblight_mode(14);
+          #endif
+          layer_on(_ADJUST);
+        } else {
+          #ifdef RGBLIGHT_ENABLE
+            rgblight_mode(RGB_current_mode);
+          #endif
+          layer_off(_ADJUST);
+        }
+        return false;
+        break;
+    //led operations - RGB mode change now updates the RGB_current_mode to allow the right RGB mode to be set after reactive keys are released
+    case RGB_MOD:
+      #ifdef RGBLIGHT_ENABLE
+        if (record->event.pressed) {
+          rgblight_mode(RGB_current_mode);
+          rgblight_step();
+          RGB_current_mode = rgblight_config.mode;
+        }
+      #endif
+      return false;
+      break;
+    case EISU:
+      if (record->event.pressed) {
+        if (keymap_config.swap_lalt_lgui==false) {
+          register_code(KC_LANG2);
+        } else {
+          SEND_STRING(SS_LALT("`"));
+        }
+      } else {
+        unregister_code(KC_LANG2);
+      }
+      return false;
+      break;
+    #ifdef KANA_ENABLE
+    case KANA:
+      if (record->event.pressed) {
+        if(keymap_config.swap_lalt_lgui==false){
+          register_code(KC_LANG1);
+        }else{
+          SEND_STRING(SS_LALT("`"));
+        }
+      } else {
+        unregister_code(KC_LANG1);
+      }
+      return false;
+      break;
+    #endif
+    case RGBRST:
+      #ifdef RGBLIGHT_ENABLE
+        if (record->event.pressed) {
+          eeconfig_update_rgblight_default();
+          rgblight_enable();
+          RGB_current_mode = rgblight_config.mode;
+        }
+      #endif
+      break;
+  }
+
+  return true;
+  // return process_layer_control(keycode, record, false) ? process_layer_control(keycode, record, true) : true;
+}
+
+void matrix_init_user(void) {
+  #ifdef AUDIO_ENABLE
+    startup_user();
+  #endif
+  #ifdef RGBLIGHT_ENABLE
+    RGB_current_mode = rgblight_config.mode;
+  #endif
+  //SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
+  #ifdef SSD1306OLED
+    TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 800000));
+    iota_gfx_init(!has_usb());   // turns on the display
+  #endif
+}
+
+
+#ifdef AUDIO_ENABLE
+
+void startup_user()
+{
+  _delay_ms(20); // gets rid of tick
+}
+
+void shutdown_user()
+{
+  _delay_ms(150);
+  stop_all_notes();
+}
+
+void music_on_user(void)
+{
+  music_scale_user();
+}
+
+void music_scale_user(void)
+{
+  PLAY_SONG(music_scale);
+}
+
+#endif
+
+
+//SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
+#ifdef SSD1306OLED
+
+void matrix_scan_user(void) {
+  iota_gfx_task();  // this is what updates the display continuously
+}
+
+void matrix_update(struct CharacterMatrix *dest,
+                          const struct CharacterMatrix *source) {
+  if (memcmp(dest->display, source->display, sizeof(dest->display))) {
+    memcpy(dest->display, source->display, sizeof(dest->display));
+    dest->dirty = true;
+  }
+}
+
+//assign the right code to your layers for OLED display
+#define L_BASE _BASE
+#define L_LOWER (1<<_LOWER)
+#define L_RAISE (1<<_RAISE)
+#define L_ADJUST (1<<_ADJUST)
+#define L_ADJUST_TRI (L_ADJUST|L_RAISE|L_LOWER)
+#define L_LOW_E (1<<_LOW_E)
+#define L_RAI_E (1<<_RAI_E)
+#define L_ADJUST_TRIE (L_ADJUST|L_RAI_E|L_LOW_E)
+
+static void render_logo(struct CharacterMatrix *matrix) {
+
+  static char logo[]={
+    0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,0x90,0x91,0x92,0x93,0x94,
+    0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf,0xb0,0xb1,0xb2,0xb3,0xb4,
+    0xc0,0xc1,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xcb,0xcc,0xcd,0xce,0xcf,0xd0,0xd1,0xd2,0xd3,0xd4,
+    0};
+  matrix_write(matrix, logo);
+  //matrix_write_P(&matrix, PSTR(" Split keyboard kit"));
+}
+
+
+
+void render_status(struct CharacterMatrix *matrix) {
+
+  // Render to mode icon
+  static char logo[][2][3]={{{0x95,0x96,0},{0xb5,0xb6,0}},{{0x97,0x98,0},{0xb7,0xb8,0}}};
+  if(keymap_config.swap_lalt_lgui==false){
+    matrix_write(matrix, logo[0][0]);
+    matrix_write_P(matrix, PSTR("\n"));
+    matrix_write(matrix, logo[0][1]);
+  } else {
+    matrix_write(matrix, logo[1][0]);
+    matrix_write_P(matrix, PSTR("\n"));
+    matrix_write(matrix, logo[1][1]);
+  }
+
+  // Define layers here, Have not worked out how to have text displayed for each layer. Copy down the number you see and add a case for it below
+  char buf[16];
+  matrix_write_P(matrix, PSTR("\nLayer: "));
+    switch (layer_state) {
+      case L_BASE:
+        if (default_layer_state == (1UL<<_BAS_E)) {
+          matrix_write_P(matrix, PSTR("Base_Ex"));
+        } else {
+          matrix_write_P(matrix, PSTR("Base"));
+        }
+        break;
+      case L_RAISE:
+        matrix_write_P(matrix, PSTR("Raise"));
+        break;
+      case L_RAI_E:
+        matrix_write_P(matrix, PSTR("Raise_Ex"));
+        break;
+      case L_LOWER:
+        matrix_write_P(matrix, PSTR("Lower"));
+        break;
+      case L_LOW_E:
+        matrix_write_P(matrix, PSTR("Lower_Ex"));
+        break;
+      case L_ADJUST:
+      case L_ADJUST_TRI:
+      case L_ADJUST_TRIE:
+        matrix_write_P(matrix, PSTR("Adjust"));
+        break;
+      default:
+        snprintf(buf, sizeof(buf), "Undef-%d", (short)layer_state);
+        matrix_write(matrix, buf);
+    }
+
+  // Host Keyboard LED Status
+  char led[32];
+  snprintf(led, sizeof(led), "\n%s  %s  %s",
+          (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : "       ",
+          (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : "    ",
+          (host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : "    ");
+  matrix_write(matrix, led);
+}
+
+
+void iota_gfx_task_user(void) {
+  struct CharacterMatrix matrix;
+
+#if DEBUG_TO_SCREEN
+  if (debug_enable) {
+    return;
+  }
+#endif
+
+  matrix_clear(&matrix);
+  if (is_master) {
+    render_status(&matrix);
+  } else {
+    render_logo(&matrix);
+  }
+
+  matrix_update(&display, &matrix);
+}
+
+#endif