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      1 /*
      2  * Author: Jon Trulson <jtrulson (at) ics.com>
      3  * Copyright (c) 2015 Intel Corporation.
      4  *
      5  * Permission is hereby granted, free of charge, to any person obtaining
      6  * a copy of this software and associated documentation files (the
      7  * "Software"), to deal in the Software without restriction, including
      8  * without limitation the rights to use, copy, modify, merge, publish,
      9  * distribute, sublicense, and/or sell copies of the Software, and to
     10  * permit persons to whom the Software is furnished to do so, subject to
     11  * the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be
     14  * included in all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
     20  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     21  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     22  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     23  */
     24 #pragma once
     25 
     26 #include <iostream>
     27 
     28 #include <mraa/gpio.h>
     29 
     30 namespace upm {
     31     /**
     32      * @brief ISD1820 Voice Recorder Module library
     33      * @defgroup isd1820 libupm-isd1820
     34      * @ingroup seeed gpio sound
     35      */
     36 
     37     /**
     38      * @library isd1820
     39      * @sensor isd1820
     40      * @comname Grove Recorder
     41      * @altname ISD1820 Recorder
     42      * @type sound
     43      * @man seeed
     44      * @con gpio
     45      *
     46      * @brief API support for the ISD1820-based Grove Voice Recorder
     47      *
     48      * This class implements support for the Grove Voice Recorder. There
     49      * are two digital pins: one that enables recording, and the other
     50      * that plays back what was previously recorded.
     51      *
     52      * @image html isd1820.jpg
     53      * @snippet isd1820.cxx Interesting
     54      */
     55   class ISD1820 {
     56   public:
     57 
     58     /**
     59      * ISD1820 constructor
     60      *
     61      * @param recPin Pin to use for recording
     62      * @param playPin Pin to use for playback
     63      */
     64     ISD1820(int playPin, int recPin);
     65 
     66     /**
     67      * ISD1820 destructor
     68      */
     69     ~ISD1820();
     70 
     71     /**
     72      * Starts or stops playback
     73      *
     74      * @param enable Starts playback if true, stops if false
     75      */
     76     void play(bool enable);
     77 
     78     /**
     79      * Starts or stops recording
     80      *
     81      * @param enable Starts recording if true, stops if false
     82      */
     83     void record(bool enable);
     84 
     85   private:
     86     mraa_gpio_context m_gpioRec;
     87     mraa_gpio_context m_gpioPlay;
     88   };
     89 }
     90 
     91 
     92