apds9930: Initial implementation

Signed-off-by: Lay, Kuan Loon <kuan.loon.lay@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

examples/c++/apds9930.cxx

@@ -0,0 +1,63 @@
+/*
+ * Author: Lay, Kuan Loon <kuan.loon.lay@intel.com>
+ * Copyright (c) 2015 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.
+ */
+
+#include <unistd.h>
+#include <iostream>
+#include <signal.h>
+#include "apds9930.h"
+
+using namespace std;
+
+int shouldRun = true;
+
+void
+sig_handler(int signo)
+{
+    if (signo == SIGINT)
+        shouldRun = false;
+}
+
+int
+main()
+{
+    signal(SIGINT, sig_handler);
+    //! [Interesting]
+    // Instantiate a Digital Proximity and Ambient Light sensor on iio device 4
+    upm::APDS9930* light_proximity = new upm::APDS9930(4);
+
+    while (shouldRun) {
+        float lux = light_proximity->getAmbient();
+        cout << "Luminance value is " << lux << endl;
+        float proximity = light_proximity->getProximity();
+        cout << "Proximity value is " << proximity << endl;
+        sleep(1);
+    }
+    //! [Interesting]
+
+    cout << "Exiting" << endl;
+
+    delete light_proximity;
+
+    return 0;
+}