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diff --git a/peripheral/libupm/src/guvas12d/guvas12d.h b/peripheral/libupm/src/guvas12d/guvas12d.h
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+/*
+ * Author: Jon Trulson <jtrulson@ics.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 <string>
+#include <mraa/aio.h>
+
+namespace upm {
+  /**
+   * @brief GUVA-S12D UV sensor library
+   * @defgroup guvas12d libupm-guvas12d
+   * @ingroup seeed analog light eak
+   */
+
+  /**
+   * @library guvas12d
+   * @sensor guvas12d
+   * @comname Grove UV Sensor
+   * @altname GUVA-S12D UV Sensor
+   * @type light
+   * @man seeed
+   * @con analog
+   * @kit eak
+   *
+   * @brief API for the GUVA-S12D UV Sensor
+   *
+   * UPM module for the GUVA-S12D UV sensor
+   *
+   * @image html guvas12d.jpg
+   * @snippet guvas12d.cxx Interesting
+   */
+  class GUVAS12D {
+  public:
+    /**
+     * GUVA-S12D UV sensor constructor
+     *
+     * @param pin Analog pin to use
+     */
+    GUVAS12D(int pin);
+    /**
+     * GUVAS12D destructor
+     */
+    ~GUVAS12D();
+    /**
+     * Gets the average voltage value from the sensor
+     *
+     * @param aref Reference voltage in use (usually 5.0 V or 3.3 V)
+     * @param samples Number of samples to average over
+     * @return Average voltage reading
+     */
+    float value(float aref, unsigned int samples);
+
+  private:
+    mraa_aio_context m_aio;
+  };
+}