get_interface.cpp

00001 /*
00002  * Copyright (c) 2017, ARM Limited, All Rights Reserved
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License"); you may
00006  * not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  * http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00013  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 #ifndef MBED_CONF_APP_OBJECT_CONSTRUCTION
00019     #error [NOT_SUPPORTED] No network interface found for this target.
00020 #endif
00021 
00022 #if !defined(MBED_CONF_APP_WIFI_SECURE_SSID) && !defined(MBED_CONF_APP_WIFI_UNSECURE_SSID)
00023     #error [NOT_SUPPORTED] Requires parameters from mbed_app.json
00024 #endif
00025 
00026 #include "mbed.h"
00027 #include MBED_CONF_APP_HEADER_FILE
00028 
00029 WiFiInterface *get_interface()
00030 {
00031     static WiFiInterface *interface = NULL;
00032 
00033     if (interface) {
00034         interface->disconnect();
00035         return interface;
00036     }
00037 
00038     interface = MBED_CONF_APP_OBJECT_CONSTRUCTION;
00039 
00040     return interface;
00041 }