1 files changed, 3 insertions, 0 deletions
diff --git a/fsm/misc.h b/fsm/misc.h
index ba1f8d9..0b13496 100644
--- a/fsm/misc.h
+++ b/fsm/misc.h
@@ -28,6 +28,9 @@ void auto_clock_speed();
 #ifdef USE_BLINK_NUM
 //#define USE_BLINK
 uint8_t blink_num(uint8_t num);
+#ifdef USE_LONG_BLINK_FOR_NEGATIVE_SIGN
+void blink_negative();
+#endif
 #endif
 
 /*