uart: add C++ Uart module and links to swig

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

api/mraa.hpp

@@ -30,3 +30,4 @@
 #include "mraa/gpio.hpp"
 #include "mraa/i2c.hpp"
 #include "mraa/spi.hpp"
+#include "mraa/uart.hpp"

api/mraa/uart.hpp

@@ -0,0 +1,57 @@
+/*
+ * Author: Brendan Le Foll <brendan.le.foll@intel.com>
+ * Copyright (c) 2014 Intel Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#pragma once
+
+#include "uart.h"
+
+namespace mraa {
+
+/**
+ * @brief C++ API to UART (enabling only)
+ *
+ * This file defines the UART C++ interface for libmraa
+ */
+class Uart {
+    public:
+        /**
+         * Uart Constructor, takes a pin number which will map directly to the
+         * linux uart number, this 'enables' the uart, nothing more
+         *
+         * @param uart the index of the uart set to use
+         */
+        Uart(int uart) {
+            m_uart = mraa_uart_init(uart);
+        }
+        /**
+         * Uart destructor
+         */
+        ~Uart() {
+            return;
+        }
+    private:
+        mraa_uart_context m_uart;
+};
+
+}