isd1820: Initial implementation

This driver implements support for the Grove Recorder.  It records up
to about 10 seconds of audio, and can play it back on command.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Zion Orent <zorent@ics.com>
Signed-off-by: John Van Drasek <john.r.van.drasek@intel.com>
This commit is contained in:
Jon Trulson
2015-04-03 12:51:57 -06:00
committed by John Van Drasek
parent ce1e2fd606
commit 47eaf93e4d
9 changed files with 426 additions and 0 deletions

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set (libname "isd1820")
set (libdescription "upm grove recorder")
set (module_src ${libname}.cxx)
set (module_h ${libname}.h)
upm_module_init()

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src/isd1820/isd1820.cxx Normal file
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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.
*/
#include <iostream>
#include "isd1820.h"
using namespace upm;
using namespace std;
ISD1820::ISD1820(int playPin, int recPin)
{
if ( !(m_gpioPlay = mraa_gpio_init(playPin)) )
{
cerr << __FUNCTION__ << ": mraa_gpio_init() failed" << endl;
return;
}
mraa_gpio_dir(m_gpioPlay, MRAA_GPIO_OUT);
if ( !(m_gpioRec = mraa_gpio_init(recPin)) )
{
cerr << __FUNCTION__ << ": mraa_gpio_init() failed" << endl;
return;
}
mraa_gpio_dir(m_gpioRec, MRAA_GPIO_OUT);
// make sure we are not recording or playing
play(false);
record(false);
}
ISD1820::~ISD1820()
{
mraa_gpio_close(m_gpioPlay);
mraa_gpio_close(m_gpioRec);
}
void ISD1820::play(bool enable)
{
if (enable)
{
// make sure we are not recording
record(false);
mraa_gpio_write(m_gpioPlay, 1);
}
else
{
mraa_gpio_write(m_gpioPlay, 0);
}
}
void ISD1820::record(bool enable)
{
if (enable)
{
// make sure we are not playing
play(false);
mraa_gpio_write(m_gpioRec, 1);
}
else
{
mraa_gpio_write(m_gpioRec, 0);
}
}

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src/isd1820/isd1820.h Normal file
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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 UPM support for the ISD1820 based Grove Recorder
* @defgroup isd1820 libupm-isd1820
* @ingroup seeed gpio sound
*/
/**
* @sensor isd1820
* @library isd1820
* @comname Grove Recorder v1.0
* @type sound
* @man seeed
* @con gpio
*
* @brief C++ API support for the ISD1820 based Grove Recorder
*
* This class implements support for the Grove Recorder. There
* are two digital pins, one that enables recording, and the other
* that plays back what was previously recorded.
*
* @snippet isd1820.cxx Interesting
*/
class ISD1820 {
public:
/**
* ISD1820 module constructor
*
* @param recPin the pin to use for recording
* @param playPin the pin to use for playback
*/
ISD1820(int playPin, int recPin);
/**
* ISD1820 module Destructor
*/
~ISD1820();
/**
* Start or stop playback
*
* @param enable start playback if true, stop if false
*/
void play(bool enable);
/**
* Start or stop recording
*
* @param enable start recording if true, stop if false
*/
void record(bool enable);
private:
mraa_gpio_context m_gpioRec;
mraa_gpio_context m_gpioPlay;
};
}

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%module jsupm_isd1820
%include "../upm.i"
%{
#include "isd1820.h"
%}
%include "isd1820.h"

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%module pyupm_isd1820
%include "../upm.i"
%feature("autodoc", "3");
%{
#include "isd1820.h"
%}
%include "isd1820.h"