1 files changed, 5 insertions, 1 deletions
diff --git a/speaker.h b/speaker.h
index dec1d20..a035a6b 100644
--- a/speaker.h
+++ b/speaker.h
@@ -1,8 +1,12 @@
 #ifndef SPEAKER_H
 #define SPEAKER_H
 
+typedef enum {
+	SPEAKER_BEEP,
+} speakerMode;
+
 void speakerInit ();
-void speakerStart ();
+void speakerStart (const speakerMode);
 void speakerStop ();
 
 #endif /* SPEAKER_H */