Mathematical conversion functions for NTC thermistor temperature. More...

#include "ntc_conversion.hpp"
#include "ntc_types.hpp"
#include <algorithm>
#include <cmath>

Include dependency graph for ntc_conversion.cpp:

Namespaces
namespace	NTC

Functions
bool	NTC::ConvertResistanceToTemperatureBeta (float resistance_ohms, float resistance_at_25c, float beta_value, float *temperature_celsius) noexcept
	Convert resistance to temperature using beta parameter.

bool	NTC::ConvertTemperatureToResistanceBeta (float temperature_celsius, float resistance_at_25c, float beta_value, float *resistance_ohms) noexcept
	Convert temperature to resistance using beta parameter.

bool	NTC::ConvertResistanceToTemperatureSteinhartHart (float resistance_ohms, float coeff_a, float coeff_b, float coeff_c, float *temperature_celsius) noexcept
	Convert resistance to temperature using Steinhart-Hart equation.

bool	NTC::ConvertTemperatureToResistanceSteinhartHart (float temperature_celsius, float coeff_a, float coeff_b, float coeff_c, float *resistance_ohms) noexcept
	Convert temperature to resistance using Steinhart-Hart equation.

bool	NTC::ConvertResistanceToTemperatureDefault (float resistance_ohms, float *temperature_celsius) noexcept
	Convert resistance to temperature using default Steinhart-Hart coefficients.

bool	NTC::ConvertTemperatureToResistanceDefault (float temperature_celsius, float *resistance_ohms) noexcept
	Convert temperature to resistance using default Steinhart-Hart coefficients.

bool	NTC::CalculateThermistorResistance (float voltage_thermistor, float reference_voltage, float series_resistance, float *resistance_ohms) noexcept
	Calculate thermistor resistance from voltage divider.

bool	NTC::CalculateThermistorVoltage (float resistance_ohms, float reference_voltage, float series_resistance, float *voltage_thermistor) noexcept
	Calculate voltage across thermistor from resistance.

bool	NTC::CalculateVoltageDividerRatio (float resistance_ohms, float series_resistance, float *ratio) noexcept
	Calculate voltage divider ratio.

bool	NTC::ValidateResistance (float resistance_ohms, float min_resistance, float max_resistance) noexcept
	Validate resistance value.

bool	NTC::ValidateTemperature (float temperature_celsius, float min_temperature, float max_temperature) noexcept
	Validate temperature value.

bool	NTC::ValidateVoltage (float voltage_volts, float min_voltage, float max_voltage) noexcept
	Validate voltage value.

bool	NTC::ValidateBetaValue (float beta_value) noexcept
	Validate beta value.

bool	NTC::ValidateSteinhartHartCoefficients (float coeff_a, float coeff_b, float coeff_c) noexcept
	Validate Steinhart-Hart coefficients.

bool	NTC::CalculateBetaValue (float temp1_celsius, float resistance1_ohms, float temp2_celsius, float resistance2_ohms, float *beta_value) noexcept
	Calculate beta value from two temperature-resistance pairs.

bool	NTC::CalculateSteinhartHartCoefficients (float temp1_celsius, float resistance1_ohms, float temp2_celsius, float resistance2_ohms, float temp3_celsius, float resistance3_ohms, float coeff_a, float coeff_b, float *coeff_c) noexcept
	Calculate Steinhart-Hart coefficients from three temperature-resistance pairs.

bool	NTC::CalculateTemperatureAccuracy (float resistance_ohms, float resistance_at_25c, float beta_value, float resistance_tolerance, float beta_tolerance, float *accuracy_celsius) noexcept
	Worst-case temperature error from the R25 and B tolerances.

bool	NTC::CalculateTemperatureAccuracy (float resistance_ohms, float resistance_tolerance, float beta_tolerance, float *accuracy_celsius) noexcept
	Temperature error estimate for the default part (R25 = 10 kOhm, B = 3435 K)

bool	NTC::CalculateOptimalSeriesResistance (float thermistor_resistance_at_25c, float beta_value, float min_temperature, float max_temperature, float *optimal_resistance) noexcept
	Calculate optimal series resistance for voltage divider.

bool	NTC::CalculateOptimalSeriesResistance (float thermistor_resistance_at_25c, float min_temperature, float max_temperature, float *optimal_resistance) noexcept
	Optimal series resistance assuming B = 3435 K.

Detailed Description

Mathematical conversion functions for NTC thermistor temperature.

Namespaces

Functions

Detailed Description