--- /dev/null
+/*******************************************************************************
+################################################################################
+# Copyright (c) [2020-2021] [HCL Technologies Ltd.] #
+# #
+# 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. #
+################################################################################
+*******************************************************************************/
+
+/* This file contains the C interface for ODU to start the O1 module */
+
+#ifndef __O1_INTERFACE_H__
+#define __O1_INTERFACE_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+int start_O1_module(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif