From 3a40ba1d3eab2843f0f5b92e8c5f9f20ade1c68c Mon Sep 17 00:00:00 2001
From: Mark Whitehorn <kd0aij@gmail.com>
Date: Thu, 8 Feb 2018 14:23:18 -0700
Subject: [PATCH] AP_HAL_ChibiOS: add buzzer support to hwdef.dat for fmuv3

---
 libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat
index 87cafc0318..bd54b7ed56 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat
@@ -13,6 +13,12 @@ OSCILLATOR_HZ 24000000
 # board voltage
 STM32_VDD 330U
 
+# ChibiOS system timer
+STM32_ST_USE_TIMER 5
+
+# ArduPilot highres timer
+HRT_TIMER 6
+
 # flash size
 FLASH_SIZE_KB 2048
 
@@ -53,7 +59,9 @@ PA11 OTG_FS_DM OTG1
 PA12 OTG_FS_DP OTG1
 PA13 JTMS-SWDIO SWD
 PA14 JTCK-SWCLK SWD
-# PA15 ALARM
+
+# PWM output for buzzer
+PA15 TIM2_CH1 TIM2 GPIO(77) ALARM
 
 PB0 EXTERN_GPIO1 OUTPUT GPIO(1)
 PB1 EXTERN_GPIO2 OUTPUT GPIO(2)