82 lines
1.9 KiB
C++
82 lines
1.9 KiB
C++
/**
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* Copyright (c) 2014 panStamp <contact@panstamp.com>
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*
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* This file is part of the panStamp project.
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*
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* panStamp is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* any later version.
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*
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* panStamp is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with panStamp; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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* USA
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*
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* Author: Daniel Berenguer
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* Creation date: 11/05/2014
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*/
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#ifndef _THERMISTOR_H
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#define _THERMISTOR_H
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#include "Arduino.h"
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#define DEFAULT_NUM_SAMPLES 10
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#define DEFAULT_BCOEF 3950
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#define DEFAULT_NOMINAL_RES 10000
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#define DEFAULT_NOMINAL_RES 10000
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class THERMISTOR
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{
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public:
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/**
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* Nominal resistance
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*/
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uint16_t nominalResistance;
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/**
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* Serial resistance
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*/
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uint16_t serialResistance;
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/**
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* Analog pin
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*/
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uint16_t analogPin;
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/**
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* Beta coefficient of the thermistor
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*/
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uint16_t bCoefficient;
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/**
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* THERMISTOR
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*
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* Class constructor
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*
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* @param adcPin Analog pin where the thermistor is connected
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* @param nomRes Nominal resistance at 25 degrees Celsius
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* @param bCoef beta coefficient of the thermistor
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* @param serialRes Value of the serial resistor
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*/
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THERMISTOR(uint8_t adcPin, uint16_t nomRes, uint16_t bCoef, uint16_t serialRes);
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/**
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* read
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*
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* Read temperature from thermistor
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*
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* @return temperature in 0.01 ºC
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*/
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int read(void);
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};
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#endif
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