добавил немного файлов для работы Ethernet

cores/arduino/IPAddress.h

@@ -0,0 +1,117 @@
+/*
+  IPAddress.h - Base class that provides IPAddress
+  Copyright (c) 2011 Adrian McEwen.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#pragma once
+
+#include <stdint.h>
+#include "Printable.h"
+#include "WString.h"
+
+#define IPADDRESS_V4_BYTES_INDEX 12
+#define IPADDRESS_V4_DWORD_INDEX 3
+
+// forward declarations of global name space friend classes
+class EthernetClass;
+class DhcpClass;
+class DNSClient;
+
+// A class to make it easier to handle and pass around IP addresses
+
+enum IPType {
+    IPv4,
+    IPv6
+};
+
+class IPAddress : public Printable {
+private:
+    union {
+        uint8_t bytes[16];
+        uint32_t dword[4];
+    } _address;
+    IPType _type;
+
+    // Access the raw byte array containing the address.  Because this returns a pointer
+    // to the internal structure rather than a copy of the address this function should only
+    // be used when you know that the usage of the returned uint8_t* will be transient and not
+    // stored.
+    uint8_t* raw_address() { return _type == IPv4 ? &_address.bytes[IPADDRESS_V4_BYTES_INDEX] : _address.bytes; }
+
+public:
+    // Constructors
+
+    // Default IPv4
+    IPAddress();
+    IPAddress(IPType ip_type);
+    IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet);
+    IPAddress(uint8_t o1, uint8_t o2, uint8_t o3, uint8_t o4, uint8_t o5, uint8_t o6, uint8_t o7, uint8_t o8, uint8_t o9, uint8_t o10, uint8_t o11, uint8_t o12, uint8_t o13, uint8_t o14, uint8_t o15, uint8_t o16);
+     // IPv4; see implementation note
+    IPAddress(uint32_t address);
+     // Default IPv4
+    IPAddress(const uint8_t *address);
+    IPAddress(IPType ip_type, const uint8_t *address);
+    // If IPv4 fails tries IPv6 see fromString function
+    IPAddress(const char *address);
+
+    bool fromString(const char *address);
+    bool fromString(const String &address) { return fromString(address.c_str()); }
+
+    // Overloaded cast operator to allow IPAddress objects to be used where a uint32_t is expected
+    // NOTE: IPv4 only; see implementation note
+    operator uint32_t() const { return _type == IPv4 ? _address.dword[IPADDRESS_V4_DWORD_INDEX] : 0; };
+
+    bool operator==(const IPAddress& addr) const;
+    bool operator!=(const IPAddress& addr) const { return !(*this == addr); };
+
+    // NOTE: IPv4 only; we don't know the length of the pointer
+    bool operator==(const uint8_t* addr) const;
+
+    // Overloaded index operator to allow getting and setting individual octets of the address
+    uint8_t operator[](int index) const;
+    uint8_t& operator[](int index);
+
+    // Overloaded copy operators to allow initialisation of IPAddress objects from other types
+    // NOTE: IPv4 only
+    IPAddress& operator=(const uint8_t *address);
+    // NOTE: IPv4 only; see implementation note
+    IPAddress& operator=(uint32_t address);
+    // If IPv4 fails tries IPv6 see fromString function
+    IPAddress& operator=(const char *address);
+
+    virtual size_t printTo(Print& p) const;
+    String toString() const;
+
+    IPType type() const { return _type; }
+
+    friend class UDP;
+    friend class Client;
+    friend class Server;
+    
+    friend ::EthernetClass;
+    friend ::DhcpClass;
+    friend ::DNSClient;
+
+protected:
+    bool fromString4(const char *address);
+    bool fromString6(const char *address);
+    String toString4() const;
+    String toString6() const;
+};
+
+extern const IPAddress IN6ADDR_ANY;
+extern const IPAddress INADDR_NONE;