Switch to using Tri Layer feature

keyboards/keebio/iris_ce/keymaps/default/keymap.c

@@ -27,7 +27,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   //├────────┼────────┼────────┼────────┼────────┼────────┼────────┐        ┌────────┼────────┼────────┼────────┼────────┼────────┼────────┤
      KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_HOME,          KC_END,  KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,
   //└────────┴────────┴────────┴───┬────┴───┬────┴───┬────┴───┬────┘        └───┬────┴───┬────┴───┬────┴───┬────┴────────┴────────┴────────┘
-                                    KC_LGUI, LOWER,   KC_ENT,                    KC_SPC,  RAISE,   KC_RALT
+                                    KC_LGUI, TL_LOWR, KC_ENT,                    KC_SPC,  TL_UPPR, KC_RALT
                                 // └────────┴────────┴────────┘                 └────────┴────────┴────────┘
   ),
 
@@ -73,43 +73,3 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
                                 // └────────┴────────┴────────┘                 └────────┴────────┴────────┘
   )
 };
-
-bool process_record_user(uint16_t keycode, keyrecord_t *record) {
-  switch (keycode) {
-    case QWERTY:
-      if (record->event.pressed) {
-        set_single_persistent_default_layer(_QWERTY);
-      }
-      return false;
-      break;
-    case LOWER:
-      if (record->event.pressed) {
-        layer_on(_LOWER);
-        update_tri_layer(_LOWER, _RAISE, _ADJUST);
-      } else {
-        layer_off(_LOWER);
-        update_tri_layer(_LOWER, _RAISE, _ADJUST);
-      }
-      return false;
-      break;
-    case RAISE:
-      if (record->event.pressed) {
-        layer_on(_RAISE);
-        update_tri_layer(_LOWER, _RAISE, _ADJUST);
-      } else {
-        layer_off(_RAISE);
-        update_tri_layer(_LOWER, _RAISE, _ADJUST);
-      }
-      return false;
-      break;
-    case ADJUST:
-      if (record->event.pressed) {
-        layer_on(_ADJUST);
-      } else {
-        layer_off(_ADJUST);
-      }
-      return false;
-      break;
-  }
-  return true;
-}

keyboards/keebio/iris_ce/keymaps/default/rules.mk

@@ -0,0 +1 @@
+TRI_LAYER_ENABLE = yes