+#define HAS_FLAGS(bits, flags) ((bits & flags) == flags)
+#define HAS_ANY_FLAGS(bits, flags) ((bits & flags) != 0x00)
+
+#define LED_FLAG_ALL 0xFF
+#define LED_FLAG_NONE 0x00
+#define LED_FLAG_MODIFIER 0x01
+#define LED_FLAG_UNDERGLOW 0x02
+#define LED_FLAG_KEYLIGHT 0x04
+
+#define NO_LED 255