mirror of
https://github.com/eclipse/upm.git
synced 2025-03-17 22:17:28 +03:00
93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
/*
|
|
* Author: Zion Orent <sorent@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 <time.h>
|
|
#include <mraa/aio.h>
|
|
|
|
namespace upm {
|
|
|
|
typedef struct
|
|
{
|
|
int lowPulseOccupancy;
|
|
double ratio;
|
|
double concentration;
|
|
} dustData;
|
|
|
|
/**
|
|
* @brief PPD42NS dust sensor library
|
|
* @defgroup ppd42ns libupm-ppd42ns
|
|
* @ingroup seeed gpio other
|
|
*/
|
|
/**
|
|
* @library ppd42ns
|
|
* @sensor ppd42ns
|
|
* @comname PPD42NS Dust Sensor
|
|
* @altname Grove Dust Sensor
|
|
* @type other
|
|
* @man seeed
|
|
* @web http://www.seeedstudio.com/wiki/Grove_-_Dust_Sensor
|
|
* @con gpio
|
|
*
|
|
* @brief API for the Dust Sensor
|
|
*
|
|
* UPM module for the Dust Sensor
|
|
*
|
|
* @image html ppd42ns.jpg
|
|
* @snippet ppd42ns.cxx Interesting
|
|
*/
|
|
class PPD42NS {
|
|
public:
|
|
/**
|
|
* Dust Sensor Constructor
|
|
*
|
|
* @param pin digital pin to use
|
|
*/
|
|
PPD42NS(int pin);
|
|
/**
|
|
* Dust Sensor Destructor
|
|
*/
|
|
~PPD42NS();
|
|
/**
|
|
* Print dust concentration
|
|
*
|
|
* @return struct dustData contains data from dust sensor
|
|
*/
|
|
dustData getData();
|
|
|
|
private:
|
|
mraa_gpio_context m_gpio;
|
|
/**
|
|
* Return the amount of time it takes a pin to go from HIGH to LOW or LOW to HIGH
|
|
*
|
|
* @param highLowValue int do we measure from HIGH to LOW or LOW to HIGH. highLowValue is "from" value
|
|
*/
|
|
double pulseIn_polyfill(bool highLowValue, double endTime);
|
|
double m_timediff(timespec time1, timespec time2);
|
|
};
|
|
}
|
|
|
|
|