upm/src/hcsr04/hcsr04.cxx
Abhishek Malik b90c5a7710 HCSR04: Modifying implementation and adding examples
Signed-off-by: Abhishek Malik <abhishek.malik@intel.com>
2017-06-07 11:46:12 -07:00

52 lines
1.7 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.
*/
#include <iostream>
#include <string>
#include <stdexcept>
#include "hcsr04.hpp"
using namespace upm;
HCSR04::HCSR04 (int triggerPin, int echoPin) :
m_hcsr04(hcsr04_init(triggerPin, echoPin))
{
if(!m_hcsr04)
throw std::runtime_error(std::string(__FUNCTION__) +
": hcsr04_init failed");
}
HCSR04::~HCSR04 ()
{
hcsr04_close(m_hcsr04);
}
double
HCSR04::getDistance(HCSR04_U unit)
{
return hcsr04_get_distance(m_hcsr04, unit);
}