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-rw-r--r--apps/misc.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/apps/misc.h b/apps/misc.h
index 0b155db1ec..c3c52d13e0 100644
--- a/apps/misc.h
+++ b/apps/misc.h
@@ -100,6 +100,9 @@ int clamp_value_wrap(int value, int max, int min);
#endif
#endif
+void beep_play(unsigned int frequency, unsigned int duration,
+ unsigned int amplitude);
+
enum current_activity {
ACTIVITY_UNKNOWN = 0,
ACTIVITY_MAINMENU,