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diff --git a/peripheral/libupm/src/isd1820/isd1820.h b/peripheral/libupm/src/isd1820/isd1820.h
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+/*
+ * Author: Jon Trulson <jtrulson@ics.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.
+ */
+#pragma once
+
+#include <iostream>
+
+#include <mraa/gpio.h>
+
+namespace upm {
+    /**
+     * @brief ISD1820 Voice Recorder Module library
+     * @defgroup isd1820 libupm-isd1820
+     * @ingroup seeed gpio sound
+     */
+
+    /**
+     * @library isd1820
+     * @sensor isd1820
+     * @comname Grove Recorder
+     * @altname ISD1820 Recorder
+     * @type sound
+     * @man seeed
+     * @con gpio
+     *
+     * @brief API support for the ISD1820-based Grove Voice Recorder
+     *
+     * This class implements support for the Grove Voice Recorder. There
+     * are two digital pins: one that enables recording, and the other
+     * that plays back what was previously recorded.
+     *
+     * @image html isd1820.jpg
+     * @snippet isd1820.cxx Interesting
+     */
+  class ISD1820 {
+  public:
+
+    /**
+     * ISD1820 constructor
+     *
+     * @param recPin Pin to use for recording
+     * @param playPin Pin to use for playback
+     */
+    ISD1820(int playPin, int recPin);
+
+    /**
+     * ISD1820 destructor
+     */
+    ~ISD1820();
+
+    /**
+     * Starts or stops playback
+     *
+     * @param enable Starts playback if true, stops if false
+     */
+    void play(bool enable);
+
+    /**
+     * Starts or stops recording
+     *
+     * @param enable Starts recording if true, stops if false
+     */
+    void record(bool enable);
+
+  private:
+    mraa_gpio_context m_gpioRec;
+    mraa_gpio_context m_gpioPlay;
+  };
+}
+
+