// Toggle to layer - 256 layer max
#define TG(layer) (layer | 0x5400)
-#define MIDI(n) (n | 0x6000)
-
// M-od, T-ap - 256 keycode max
#define MT(mod, kc) (kc | 0x7000 | ((mod & 0xF) << 8))
#define CTL_T(kc) MT(0x1, kc)
#define UNICODE(n) (n | 0x8000)
#define UC(n) UNICODE(n)
+// For tri-layer
+void update_tri_layer(uint8_t layer1, uint8_t layer2, uint8_t layer3);
+#define IS_LAYER_ON(layer) ((layer_state) & (1UL<<(layer)))
+#define IS_LAYER_OFF(layer) ((!layer_state) & (1UL<<(layer)))
#endif