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/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 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 <unistd.h>
#include <errno.h>
#include <iostream>
#include <stdexcept>
#include <string>
#include "tb7300.hpp"
using namespace upm;
using namespace std;
// conversion from fahrenheit to celcius and back
static float f2c(float f)
{
return ((f - 32.0) / (9.0 / 5.0));
}
static float c2f(float c)
{
return (c * (9.0 / 5.0) + 32.0);
}
TB7300::TB7300(uint32_t targetDeviceObjectID) :
BACNETUTIL(targetDeviceObjectID)
{
setDebug(false);
// we disable this by default for performance reasons
checkReliability(false);
m_isTempInitialized = false;
m_isCelcius = false;
// room temperature only
m_temperature = 0.0;
}
TB7300::~TB7300()
{
}
void TB7300::update()
{
if (!m_isTempInitialized)
{
// this will update internals so conversions work properly
getTemperatureScale();
}
float tmpF = getAnalogValue(AV_Room_Temperature);
if (m_isCelcius)
m_temperature = tmpF;
else
m_temperature = f2c(tmpF);
}
float TB7300::getTemperature(bool fahrenheit)
{
if (fahrenheit)
return c2f(m_temperature);
else
return m_temperature;
}
void TB7300::setTemperatureScale(bool fahrenheit)
{
setBinaryValue(BV_Temperature_Scale, fahrenheit);
m_isTempInitialized = true;
m_isCelcius = (fahrenheit) ? false : true;
}
bool TB7300::getTemperatureScale()
{
bool scale = getBinaryValue(BV_Temperature_Scale);
m_isTempInitialized = true;
m_isCelcius = !scale;
return scale;
}
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