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libraries/ArduinoModbus/src/ModbusTCPClient.h

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+/*
+  This file is part of the ArduinoModbus library.
+  Copyright (c) 2018 Arduino SA. All rights 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 Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _MODBUS_TCP_CLIENT_H_INCLUDED
+#define _MODBUS_TCP_CLIENT_H_INCLUDED
+
+#include <Client.h>
+#include <IPAddress.h>
+
+#include "ModbusClient.h"
+
+class ModbusTCPClient : public ModbusClient {
+public:
+  /**
+   * ModbusTCPClient constructor
+   *
+   * @param client Client to use for TCP connection
+   */
+  ModbusTCPClient(Client& client);
+  virtual ~ModbusTCPClient();
+
+  /**
+   * Start the Modbus TCP client with the specified parameters
+   *
+   * @param ip IP Address of the Modbus server
+   * @param port TCP port number of Modbus server, defaults to 502
+   *
+   * @return 1 on success, 0 on failure
+   */
+  int begin(IPAddress ip, uint16_t port = 502);
+
+  /**
+   * Query connection status.
+   *
+   * @return 1 if connected, 0 if not connected
+   */
+  int connected();
+
+  /**
+   * Disconnect the client.
+   */
+  void stop();
+
+private:
+  Client* _client;
+};
+
+#endif