Add support for serial gateway to Rpi

drivers/Linux/SerialPort.h

@@ -0,0 +1,100 @@
+/*
+ * The MySensors Arduino library handles the wireless radio link and protocol
+ * between your home built sensors/actuators and HA controller of choice.
+ * The sensors forms a self healing radio network with optional repeaters. Each
+ * repeater and gateway builds a routing tables in EEPROM which keeps track of the
+ * network topology allowing messages to be routed to nodes.
+ *
+ * Created by Marcelo Aquino <marceloaqno@gmail.org>
+ * Copyright (C) 2016 Marcelo Aquino
+ * Full contributor list: https://github.com/mysensors/MySensors/graphs/contributors
+ *
+ * Documentation: http://www.mysensors.org
+ * Support Forum: http://forum.mysensors.org
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ */
+
+#ifndef SerialPort_h
+#define SerialPort_h
+
+#include <string>
+#include "Stream.h"
+
+/**
+ * SerialPort Class
+ * Class that provides the functionality of arduino Serial library
+ */
+class SerialPort : public Stream {
+
+private:
+	int sd; //!< @brief file descriptor number.
+	std::string serialPort;	//!< @brief tty name.
+
+public:
+	/**
+	 * @brief SerialPort constructor.
+	 */
+	SerialPort();
+	/**
+	 * @brief SerialPort constructor.
+	 */
+	SerialPort(const char *port);
+	/**
+	* @brief Sets the data rate in bits per second (baud) for serial data transmission.
+	*
+	* @param serialSpeed serial port speed.
+	*/
+	void begin(int serialSpeed);
+	/**
+	* @brief Get the number of bytes available.
+	*
+	* Get the numberof bytes (characters) available for reading from
+	* the serial port.
+	*
+	* @return number of bytes avalable to read.
+	*/
+	int available();
+	/**
+	* @brief Reads 1 byte of incoming serial data.
+	*
+	* @return first byte of incoming serial data available.
+	*/
+	int read();
+	/**
+	* @brief Writes a single byte to the serial port.
+	*
+	* @param b byte to write.
+	* @return number of bytes written.
+	*/
+	size_t write(uint8_t b);
+	/**
+	* @brief Writes binary data to the serial port.
+	*
+	* @param buffer to write.
+	* @param size of the buffer.
+	* @return number of bytes written.
+	*/
+	size_t write(const uint8_t *buffer, size_t size);
+	/**
+	* @brief
+	*
+	* Returns the next byte (character) of incoming serial data without removing it from
+	* the internal serial buffer.
+	*
+	* @return -1 if no data else character in the buffer.
+	*/
+	int peek();
+	/**
+	* @brief Remove any data remaining on the serial buffer.
+	*/
+	void flush();
+	/**
+	* @brief Disables serial communication.
+	*/
+	void end();
+};
+
+#endif