upm/src/lm35/lm35.cxx
Jon Trulson 8624a07b77 lm35: add C driver and example; FTI; C++ wraps C
Signed-off-by: Jon Trulson <jtrulson@ics.com>
2016-10-12 16:37:59 -06:00

66 lines
1.9 KiB
C++

/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2015-2016 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 <stdexcept>
#include "lm35.hpp"
using namespace std;
using namespace upm;
LM35::LM35(int pin, float aref) :
m_lm35(lm35_init(pin, aref))
{
if (!m_lm35)
throw std::runtime_error(string(__FUNCTION__)
+ ": lm35_init() failed");
}
LM35::~LM35()
{
lm35_close(m_lm35);
}
float LM35::getTemperature()
{
float temp;
upm_result_t rv = lm35_get_temperature(m_lm35, &temp);
if (rv)
throw std::runtime_error(string(__FUNCTION__)
+ ": lm35_get_temperature() failed");
return temp;
}
void LM35::setScale(float scale)
{
lm35_set_scale(m_lm35, scale);
}
void LM35::setOffset(float offset)
{
lm35_set_offset(m_lm35, offset);
}