+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) {
+ if (IS_LAYER_ON(layer1) && IS_LAYER_ON(layer2)) {
+ layer_on(layer3);
+ } else {
+ layer_off(layer3);
+ }
+}
+
+void matrix_init_user(void) {
+ #ifdef RGBLIGHT_ENABLE
+ RGB_current_mode = rgblight_config.mode;
+ #endif
+ //SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
+ #ifdef SSD1306OLED
+ iota_gfx_init(!has_usb()); // turns on the display
+ #endif
+}
+
+//SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
+#ifdef SSD1306OLED
+
+// When add source files to SRC in rules.mk, you can use functions.
+const char *read_layer_state(void);
+const char *read_logo(void);
+void set_keylog(uint16_t keycode, keyrecord_t *record);
+const char *read_keylog(void);
+const char *read_keylogs(void);
+
+// const char *read_mode_icon(bool swap);
+// const char *read_host_led_state(void);
+// void set_timelog(void);
+// const char *read_timelog(void);
+
+void matrix_scan_user(void) {
+ iota_gfx_task();
+}
+
+void matrix_render_user(struct CharacterMatrix *matrix) {
+ if (is_master) {
+ // If you want to change the display of OLED, you need to change here
+ matrix_write_ln(matrix, read_layer_state());
+ matrix_write_ln(matrix, read_keylog());
+ matrix_write_ln(matrix, read_keylogs());
+ //matrix_write_ln(matrix, read_mode_icon(keymap_config.swap_lalt_lgui));
+ //matrix_write_ln(matrix, read_host_led_state());
+ //matrix_write_ln(matrix, read_timelog());
+ } else {
+ matrix_write(matrix, read_logo());
+ }
+}
+
+void matrix_update(struct CharacterMatrix *dest, const struct CharacterMatrix *source) {
+ if (memcmp(dest->display, source->display, sizeof(dest->display))) {
+ memcpy(dest->display, source->display, sizeof(dest->display));
+ dest->dirty = true;
+ }
+}
+
+void iota_gfx_task_user(void) {
+ struct CharacterMatrix matrix;
+ matrix_clear(&matrix);
+ matrix_render_user(&matrix);
+ matrix_update(&display, &matrix);
+}
+#endif//SSD1306OLED