Finish documenting berry blender

include/berry_blender.h

@@ -1,6 +1,16 @@
 #ifndef GUARD_BERRY_BLENDER_H
 #define GUARD_BERRY_BLENDER_H
 
+// Indices into gSendCmd / gRecvCmds
+#define BLENDER_COMM_INPUT_STATE   0
+#define BLENDER_COMM_RESP          1
+#define BLENDER_COMM_SCORE         2
+#define BLENDER_COMM_STOP_TYPE     2 // re-used
+#define BLENDER_COMM_PLAYER_ID     3
+#define BLENDER_COMM_UNUSED        4
+#define BLENDER_COMM_PROGRESS_BAR  5
+#define BLENDER_COMM_ARROW_POS     6
+
 extern u8 gInGameOpponentsNo;
 
 void DoBerryBlending(void);