upm/src/hcsr04/hcsr04.hpp

86 lines
2.6 KiB
C++

/*
* Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
* Author: Rafael Neri <rafael.neri@gmail.com>
* Copyright (c) 2014-2015 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 "hcsr04.h"
#include <interfaces/iDistance.hpp>
namespace upm {
/**
* @brief HC-SR04 Ultrasonic Sensor
* @defgroup hcsr04 libupm-hcsr04
* @ingroup generic gpio sound
*/
/**
* @library hcsr04
* @sensor hcsr04
* @comname Ultrasonic Distance Measuring Sensor
* @type sound
* @man generic
* @con gpio
* @web https://www.sparkfun.com/products/13959
*
* @brief API for the HC-SR04 Ultrasonic Sensor
*
* This module defines the HC-SR04 interface for libhcsr04
*
* @image html groveultrasonic.jpg
* @snippet hcsr04.cxx Interesting
*/
class HCSR04 : virtual public iDistance {
public:
/**
* Instantiates an HCSR04 object
*
* @param triggerPin Pin to trigger the sensor for distance
* @param echoPin Pulse response to triggering
*/
HCSR04 (int triggerPin, int echoPin);
/**
* HCSR04 object destructor
*/
~HCSR04 ();
/**
* Gets the distance from the sensor
*
* @param unit Selects units for measurement
*/
double getDistance (HCSR04_U unit);
/**
* Gets the distance from the sensor
*
* @return distance measured in cm.
*/
virtual int getDistance();
private:
hcsr04_context m_hcsr04;
HCSR04(const HCSR04& src) { /* do not create copied constructor */ }
HCSR04& operator=(const HCSR04&) {return *this;}
};
}