diff --git a/main/ledstrip.h b/main/ledstrip.h
--- a/main/ledstrip.h
+++ b/main/ledstrip.h
@@ -2,8 +2,16 @@
 #define _LED_STRIPPER_H
 
 
+typedef enum _effect {
+  EFFECT_NONE = 0,
+  EFFECT_RAINBOW,
+  EFFECT_SINGLECHASE,
+} effect_t;
+
+
 void ledstrip_init(void);
 void ledstrip_set(uint32_t r, uint32_t g, uint32_t b);
 void ledstrip_set_modifier(float frac);
+void ledstrip_set_effect(effect_t effect);
 void ledstrip_refresh(void);
 #endif
\ No newline at end of file