From d6f10a12ebc9ce10e2fbcc8fe3caeabc8c6338b8 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Tue, 8 Oct 2019 15:14:59 +1100
Subject: [PATCH] AP_Notify: add a simulated buzzer for SITL

---
 libraries/AP_Notify/AP_Notify.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/AP_Notify/AP_Notify.cpp b/libraries/AP_Notify/AP_Notify.cpp
index ac0d4b7448..8691922e89 100644
--- a/libraries/AP_Notify/AP_Notify.cpp
+++ b/libraries/AP_Notify/AP_Notify.cpp
@@ -310,6 +310,7 @@ void AP_Notify::add_backends(void)
 
 #elif CONFIG_HAL_BOARD == HAL_BOARD_SITL
     ADD_BACKEND(new AP_ToneAlarm());
+    ADD_BACKEND(new Buzzer());
 #ifdef WITH_SITL_RGBLED
     ADD_BACKEND(new SITL_SFML_LED());
 #endif