ThermistorReader Class Reference

Driver for thermistor thermometers. More...

#include <ThermistorReader.h>

Public Member Functions
	ThermistorReader (uint8_t pin)
	Constructor.
double	readTemp () const
	Get the temperature of the thermistor.

Private Member Functions
double	getThermistorResistance () const
	Calculate the resistance of the thermistor in the voltage divider.

Private Attributes
const uint8_t	ref_pin = 5
	Reference (high) voltage pin number.
const uint8_t	pin
	NTC pin number.
const double	R_series = 10000
	Resistance of R2 in voltage divider (Ohm)
const double	B = 3950
	Thermistor's value of B in the thermistor equation (K)
const double	r_inf = 0.01752
	Thermistor's value of R_inf in the thermistor equation (Ohm)

Detailed Description

Driver for thermistor thermometers.

Definition at line 7 of file ThermistorReader.h.

Constructor & Destructor Documentation

ThermistorReader()

ThermistorReader::ThermistorReader ( uint8_t pin )

explicit

Constructor.

Parameters

pin	NTC pin number

Definition at line 4 of file ThermistorReader.cpp.

Member Function Documentation

getThermistorResistance()

double ThermistorReader::getThermistorResistance ( ) const

private

Calculate the resistance of the thermistor in the voltage divider.

Returns

Resistance (Ohm)

Definition at line 6 of file ThermistorReader.cpp.

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readTemp()

double ThermistorReader::readTemp

(

)

const

Get the temperature of the thermistor.

Returns

Temperature (Celsius)

Definition at line 12 of file ThermistorReader.cpp.

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Member Data Documentation

B

const double ThermistorReader::B = 3950

private

Thermistor's value of B in the thermistor equation (K)

Definition at line 12 of file ThermistorReader.h.

pin

const uint8_t ThermistorReader::pin

private

NTC pin number.

Definition at line 10 of file ThermistorReader.h.

r_inf

const double ThermistorReader::r_inf = 0.01752

private

Thermistor's value of R_inf in the thermistor equation (Ohm)

Definition at line 13 of file ThermistorReader.h.

R_series

const double ThermistorReader::R_series = 10000

private

Resistance of R2 in voltage divider (Ohm)

Definition at line 11 of file ThermistorReader.h.

ref_pin

const uint8_t ThermistorReader::ref_pin = 5

private

Reference (high) voltage pin number.

Definition at line 9 of file ThermistorReader.h.

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The documentation for this class was generated from the following files:

• src/sensor/ThermistorReader.h
• src/sensor/ThermistorReader.cpp