From ba79b32b300bf3c652157ad4db2f39ef6b0273fa Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Sun, 28 Feb 2016 12:11:47 +0100
Subject: [PATCH] Fix FMU output on non-Pixracer boards

---
 src/drivers/px4fmu/fmu.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/drivers/px4fmu/fmu.cpp b/src/drivers/px4fmu/fmu.cpp
index f09b83fada..80389b13b9 100644
--- a/src/drivers/px4fmu/fmu.cpp
+++ b/src/drivers/px4fmu/fmu.cpp
@@ -390,6 +390,11 @@ PX4FMU::PX4FMU() :
 	stm32_configgpio(GPIO_SBUS_INV);
 #endif
 
+	// If there is no safety button, disable it on boot.
+#ifndef GPIO_BTN_SAFETY
+	_safety_off = true;
+#endif
+
 	/* only enable this during development */
 	_debug_enabled = false;
 }