upm/src/linefinder/linefinder.cxx
Jon Trulson f101db2af1 linefinder: C implementation; FTI; C++ wraps C
Signed-off-by: Jon Trulson <jtrulson@ics.com>
2016-10-21 14:22:54 -06:00

56 lines
1.7 KiB
C++

/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2014-2016 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 "linefinder.hpp"
using namespace upm;
using namespace std;
LineFinder::LineFinder(int pin) :
m_linefinder(linefinder_init(pin))
{
if (!m_linefinder)
throw std::runtime_error(std::string(__FUNCTION__) +
": linefinder_init() failed");
}
LineFinder::~LineFinder()
{
linefinder_close(m_linefinder);
}
bool LineFinder::whiteDetected()
{
return linefinder_white_detected(m_linefinder);
}
bool LineFinder::blackDetected()
{
return linefinder_black_detected(m_linefinder);
}