Fix RAK11200 compile error

src/RAK13800_W5100S.h

@@ -50,9 +50,14 @@
 
 #include <Arduino.h>
 #include "Client.h"
-#include "Server.h"
 #include "Udp.h"
 
+#ifdef _VARIANT_RAK11200_
+	#include "RewriteServer.h"
+#else
+	#include "Server.h"
+#endif
+
 enum EthernetLinkStatus {
 	Unknown,
 	LinkON,
@@ -254,24 +259,47 @@ class EthernetClient : public Client {
 	uint16_t _timeout;
 };
 
+#if defined(_VARIANT_RAK11200_)
+	class EthernetServer : public RewriteServer 
+	{
+	private:
+		uint16_t _port;
+	public:
+		EthernetServer(uint16_t port) : _port(port) { }
+		EthernetClient available();
+		EthernetClient accept();
+		virtual void begin();
+		virtual size_t write(uint8_t);
+		virtual size_t write(const uint8_t *buf, size_t size);
+		virtual operator bool();
+		using Print::write;
+		//void statusreport();
+
+		// TODO: make private when socket allocation moves to EthernetClass
+		static uint16_t server_port[MAX_SOCK_NUM];
+	};
+#else 
+	class EthernetServer : public Server 
+	{
+	private:
+		uint16_t _port;
+	public:
+		EthernetServer(uint16_t port) : _port(port) { }
+		EthernetClient available();
+		EthernetClient accept();
+		virtual void begin();
+		virtual size_t write(uint8_t);
+		virtual size_t write(const uint8_t *buf, size_t size);
+		virtual operator bool();
+		using Print::write;
+		//void statusreport();
+
+		// TODO: make private when socket allocation moves to EthernetClass
+		static uint16_t server_port[MAX_SOCK_NUM];
+	};
+#endif
 
-class EthernetServer : public Server {
-private:
-	uint16_t _port;
-public:
-	EthernetServer(uint16_t port) : _port(port) { }
-	EthernetClient available();
-	EthernetClient accept();
-	virtual void begin();
-	virtual size_t write(uint8_t);
-	virtual size_t write(const uint8_t *buf, size_t size);
-	virtual operator bool();
-	using Print::write;
-	//void statusreport();
 
-	// TODO: make private when socket allocation moves to EthernetClass
-	static uint16_t server_port[MAX_SOCK_NUM];
-};
 
 
 class DhcpClass {

src/RewriteServer.h

@@ -0,0 +1,33 @@
+/*
+ Server.h - Base class that provides Server
+ 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
+ */
+
+#ifndef Rewriteserver_h
+#define Rewriteserver_h
+
+#include "Print.h"
+
+class RewriteServer: public Print
+{
+public:
+		// virtual void begin(uint16_t port=0) =0;
+    // error: cannot declare variable 'server' to be of abstract type 'EthernetServer'
+		void begin() {};	// Fix compiler error for EthernetWebServer, add by Michael. 2022-3-3
+};
+
+#endif