From 6bb5a93221c4a4a74d0e4fea719ce35493630749 Mon Sep 17 00:00:00 2001
From: snake <tianhao@espressif.com>
Date: Fri, 23 Sep 2016 14:54:30 +0800
Subject: [PATCH] add 'extern C' in header files

---
 components/bt/include/bt.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/components/bt/include/bt.h b/components/bt/include/bt.h
index f8b7a8a0fd..8511aabdf8 100644
--- a/components/bt/include/bt.h
+++ b/components/bt/include/bt.h
@@ -18,6 +18,11 @@
 #include "freertos/FreeRTOS.h"
 #include "esp_err.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
 typedef void (* bt_app_startup_cb_t)(void *param);
 
 esp_err_t esp_bt_startup(bt_app_startup_cb_t cb, void *ctx);
@@ -54,4 +59,8 @@ void API_vhci_host_send_packet(uint8_t *data, uint16_t len);
  */
 void API_vhci_host_register_callback(const vhci_host_callback_t *callback);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __BT_H__ */