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/*
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Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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/** \file
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Ethernet network interface header file
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*/
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#ifndef ETHERNETNETIF_H
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#define ETHERNETNETIF_H
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struct netif;
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#include "mbed.h"
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#include "if/lwip/LwipNetIf.h"
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///Ethernet network interface return codes
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enum EthernetErr
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{
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__ETH_MIN = -0xFFFF,
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ETH_TIMEOUT, ///<Timeout during setup
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ETH_OK = 0 ///<Success
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};
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///Ethernet network interface
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/**
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This class provides Ethernet connectivity to the stack
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*/
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class EthernetNetIf : public LwipNetIf
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{
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public:
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///Instantiates the Interface and register it against the stack, DHCP will be used
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EthernetNetIf(); //W/ DHCP
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///Instantiates the Interface and register it against the stack, DHCP will not be used
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/**
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IpAddr is a container class that can be constructed with either 4 bytes or no parameters for a null IP address.
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*/
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EthernetNetIf(IpAddr ip, IpAddr netmask, IpAddr gateway, IpAddr dns); //W/o DHCP
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virtual ~EthernetNetIf();
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///Brings the interface up
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/**
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Uses DHCP if necessary
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@param timeout_ms : You can set the timeout parameter in milliseconds, if not it defaults to 15s
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@return : ETH_OK on success or ETH_TIMEOUT on timeout
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*/
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EthernetErr setup(int timeout_ms = 15000);
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virtual void poll();
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private:
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Timer m_ethArpTimer;
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Timer m_dhcpCoarseTimer;
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Timer m_dhcpFineTimer;
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Timer m_igmpTimer;
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bool m_useDhcp;
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netif* m_pNetIf;
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IpAddr m_netmask;
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IpAddr m_gateway;
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const char* m_hostname;
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};
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#endif
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Robert Cook