extended uart com if

linux/uart/UartCookie.h

@@ -56,6 +56,22 @@ public:
 	uint8_t getBitsPerWord() const;
 	StopBits getStopBits() const;
 	UartModes getUartMode() const;
+	/**
+	 * The UART ComIF will only perform a specified number of read cycles for the canonical mode.
+     * The user can specify how many of those read cycles are performed for one device handler
+     * communication cycle. An example use-case would be to read all available GPS NMEA strings
+     * at once.
+	 * @param readCycles
+	 */
+	void setReadCycles(uint8_t readCycles);
+	uint8_t getReadCycles() const;
+
+	/**
+	 * Allows to flush the data which was received but has not been read yet. This is useful
+	 * to discard obsolete data at software startup.
+	 */
+	void setToFlushInput(bool enable);
+	bool getInputShouldBeFlushed();
 
 	/**
 	 * Functions two enable parity checking.
@@ -78,10 +94,12 @@ private:
 
 	std::string deviceFile;
 	const UartModes uartMode;
+	bool flushInput = false;
 	uint32_t baudrate;
 	size_t maxReplyLen = 0;
 	Parity parity = Parity::NONE;
 	uint8_t bitsPerWord = 8;
+	uint8_t readCycles = 1;
 	StopBits stopBits = StopBits::ONE_STOP_BIT;
 };