aio.hpp: Add C++ wrapper around Aio

* maa_aio_context becomes an opaque pointer
* C++ wrapper class Aio created
* examples/c++ with a sample for Aio created
* swig now uses C++ wrapper Aio to generate an API
* python generated code is now C++

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

api/aio.hpp

@@ -0,0 +1,51 @@
+/*
+ * 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
+/** @file
+ *
+ * This file defines the aio C++ interface for libmaa
+ *
+ */
+
+#include "aio.h"
+
+namespace maa {
+
+class Aio {
+    public:
+        Aio(unsigned int pin) {
+            m_aio = maa_aio_init(pin);
+        }
+        ~Aio() {
+            maa_aio_close(m_aio);
+        }
+        uint16_t read() {
+            return maa_aio_read(m_aio);
+        }
+    private:
+        maa_aio_context m_aio;
+};
+
+}