EthernetInterface.cpp

00001 /* LWIP implementation of NetworkInterfaceAPI
00002  * Copyright (c) 2015 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #include "EthernetInterface.h"
00018 
00019 /* No actual interface implementation here, as EthernetInterface is
00020  * just an EMACInterface. But we can be the default EthInterface - step up
00021  * if the target has a default EMAC.
00022  */
00023 #if DEVICE_EMAC
00024 MBED_WEAK EthInterface *EthInterface::get_target_default_instance()
00025 {
00026     static EthernetInterface ethernet;
00027     return &ethernet;
00028 }
00029 #else
00030 MBED_WEAK EthInterface *EthInterface::get_target_default_instance()
00031 {
00032     return NULL;
00033 }
00034 #endif