From 7d00c19e810a98962dbf46f008c9d0c71eb6fb02 Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Wed, 27 Jan 2016 15:36:32 +0100
Subject: [PATCH] arduino: add C++ protection

---
 platforms/arduino/BTstack.h | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/platforms/arduino/BTstack.h b/platforms/arduino/BTstack.h
index ccb398afa..40d741592 100644
--- a/platforms/arduino/BTstack.h
+++ b/platforms/arduino/BTstack.h
@@ -1,7 +1,12 @@
 /**
  * Arduino Wrapper for BTstack
  */
-#pragma once
+#ifndef __ARDUINO_BTSTACK_H
+#define __ARDUINO_BTSTACK_H
+
+#if defined __cplusplus
+extern "C" {
+#endif
 
 #include "att.h"
 #include <btstack/utils.h> 
@@ -187,4 +192,10 @@ public:
  	uint16_t addGATTCharacteristicDynamic(UUID * uuid, uint16_t flags, uint16_t characteristic_id);
 };
 
- extern BTstackManager BTstack;
\ No newline at end of file
+extern BTstackManager BTstack;
+
+#if defined __cplusplus
+}
+#endif
+
+#endif // __ARDUINO_BTSTACK_H
\ No newline at end of file