Import Mbed OS hard-float snapshot

connectivity/nanostack/mbed-mesh-api/source/CallbackHandler.cpp

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2015 ARM Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "MeshInterfaceNanostack.h"
+
+#include "include/callback_handler.h"
+
+static Nanostack::Interface *_handler = NULL;
+
+void __mesh_handler_c_callback(mesh_connection_status_t state)
+{
+
+    if (_handler) {
+        _handler->network_handler(state);
+    }
+}
+
+void __mesh_handler_set_callback(Nanostack::Interface *handler)
+{
+    _handler = handler;
+}