From c83567dcbabc7f7ce42fbc5cd5f0d7d19b2bbd55 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Fri, 27 Jul 2018 17:12:26 +1000
Subject: [PATCH] HAL_ChibiOS: added duration to toneAlarm_set_buzzer_tone

---
 libraries/AP_HAL_ChibiOS/Util.cpp | 3 ++-
 libraries/AP_HAL_ChibiOS/Util.h   | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/libraries/AP_HAL_ChibiOS/Util.cpp b/libraries/AP_HAL_ChibiOS/Util.cpp
index e7e4b2d46e..80ced9910d 100644
--- a/libraries/AP_HAL_ChibiOS/Util.cpp
+++ b/libraries/AP_HAL_ChibiOS/Util.cpp
@@ -153,7 +153,8 @@ bool Util::toneAlarm_init()
     return true;
 }
 
-void Util::toneAlarm_set_buzzer_tone(float frequency, float volume) {
+void Util::toneAlarm_set_buzzer_tone(float frequency, float volume, uint32_t duration_ms)
+{
     if (is_zero(frequency) || is_zero(volume)) {
         pwmDisableChannel(_toneAlarm_pwm_group.pwm_drv, _toneAlarm_pwm_group.chan);
     } else {
diff --git a/libraries/AP_HAL_ChibiOS/Util.h b/libraries/AP_HAL_ChibiOS/Util.h
index 9fb8db9c60..31b7b00867 100644
--- a/libraries/AP_HAL_ChibiOS/Util.h
+++ b/libraries/AP_HAL_ChibiOS/Util.h
@@ -48,7 +48,7 @@ public:
     
 #ifdef HAL_PWM_ALARM
     bool toneAlarm_init() override;
-    void toneAlarm_set_buzzer_tone(float frequency, float volume) override;
+    void toneAlarm_set_buzzer_tone(float frequency, float volume, uint32_t duration_ms) override;
 #endif
 
 private: