driver ntc source file More...

#include "driver_ntc.h"
#include <math.h>

Include dependency graph for driver_ntc.c:

Macros
#define	CHIP_NAME "General NTC"
	chip information definition
#define	MANUFACTURER_NAME "General"
#define	SUPPLY_VOLTAGE_MIN 1.8f
#define	SUPPLY_VOLTAGE_MAX 5.5f
#define	MAX_CURRENT 1.0f
#define	TEMPERATURE_MIN -50.0f
#define	TEMPERATURE_MAX 250.0f
#define	DRIVER_VERSION 1000

Functions
uint8_t	ntc_set_circuit (ntc_handle_t *handle, ntc_circuit_t circuit)
	set circuit
uint8_t	ntc_get_circuit (ntc_handle_t handle, ntc_circuit_t circuit)
	get circuit
uint8_t	ntc_set_circuit_fixed_resistor (ntc_handle_t *handle, float r_fixed_ohm)
	set circuit fixed resistor
uint8_t	ntc_get_circuit_fixed_resistor (ntc_handle_t handle, float r_fixed_ohm)
	get circuit fixed resistor
uint8_t	ntc_set_algorithm (ntc_handle_t *handle, ntc_algorithm_t algorithm)
	set algorithm
uint8_t	ntc_get_algorithm (ntc_handle_t handle, ntc_algorithm_t algorithm)
	get algorithm
uint8_t	ntc_set_algorithm_beta_formula_beta_value (ntc_handle_t *handle, float beta)
	set algorithm beta formula beta value
uint8_t	ntc_get_algorithm_beta_formula_beta_value (ntc_handle_t handle, float beta)
	get algorithm beta formula beta value
uint8_t	ntc_set_algorithm_beta_formula_r25_ohm (ntc_handle_t *handle, float r25_ohm)
	set algorithm beta formula r25 ohm
uint8_t	ntc_get_algorithm_beta_formula_r25_ohm (ntc_handle_t handle, float r25_ohm)
	get algorithm beta formula r25 ohm
uint8_t	ntc_set_algorithm_steinhart_hart (ntc_handle_t *handle, double a, double b, double c)
	set algorithm steinhart hart
uint8_t	ntc_get_algorithm_steinhart_hart (ntc_handle_t handle, double a, double b, double c)
	get algorithm steinhart hart
uint8_t	ntc_load_algorithm_lookup_table (ntc_handle_t handle, const ntc_table_t table, uint16_t table_len)
	load algorithm lookup table
uint8_t	ntc_set_filter (ntc_handle_t *handle, ntc_filter_t filter)
	set filter
uint8_t	ntc_get_filter (ntc_handle_t handle, ntc_filter_t filter)
	get filter
uint8_t	ntc_set_filter_first_order_lag (ntc_handle_t *handle, float alpha)
	set filter first order lag
uint8_t	ntc_set_filter_median_length (ntc_handle_t *handle, uint16_t length)
	set filter median length
uint8_t	ntc_set_filter_anti_spike_average_length (ntc_handle_t *handle, uint16_t length)
	set filter anti spike average length
uint8_t	ntc_set_filter_moving_average_length (ntc_handle_t *handle, uint16_t length)
	set filter moving average length
uint8_t	ntc_set_filter_weighted_moving_average_length (ntc_handle_t handle, float weight, uint16_t length)
	set filter weighted moving average length
uint8_t	ntc_set_filter_limiting (ntc_handle_t *handle, float degrees_celsius)
	set filter limiting
uint8_t	ntc_set_filter_kalman (ntc_handle_t *handle, float q_process_noise_covariance, float r_measurement_noise_covariance, float p_estimation_error_covariance, float x_estimated_value)
	set filter kalman
uint8_t	ntc_reset_filter (ntc_handle_t *handle)
	reset the filter
uint8_t	ntc_init (ntc_handle_t *handle)
	initialize the chip
uint8_t	ntc_deinit (ntc_handle_t *handle)
	close the chip
uint8_t	ntc_read_temperature (ntc_handle_t handle, float ohm, float *degrees_celsius)
	read temperature
uint8_t	ntc_calculate_temperature (ntc_handle_t handle, float ohm, float degrees_celsius)
	calculate temperature
uint8_t	ntc_calculate_temperature_with_filter (ntc_handle_t handle, float ohm, uint16_t len, float *degrees_celsius)
	calculate temperature with filter
uint8_t	ntc_info (ntc_info_t *info)
	get chip's information

Detailed Description

driver ntc source file

The MIT License (MIT)

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.

Version: 1.0.0

Author: Shifeng Li

Date: 2026-05-31

history

Date	Version	Author	Description
2026/05/31	1.0	Shifeng Li	first upload

Definition in file driver_ntc.c.

Macro Definition Documentation

◆ CHIP_NAME

#define CHIP_NAME "General NTC"

chip information definition

chip name

Definition at line 43 of file driver_ntc.c.

◆ DRIVER_VERSION

#define DRIVER_VERSION 1000

driver version

Definition at line 50 of file driver_ntc.c.

◆ MANUFACTURER_NAME

#define MANUFACTURER_NAME "General"

manufacturer name

Definition at line 44 of file driver_ntc.c.

◆ MAX_CURRENT

#define MAX_CURRENT 1.0f

chip max current

Definition at line 47 of file driver_ntc.c.

◆ SUPPLY_VOLTAGE_MAX

#define SUPPLY_VOLTAGE_MAX 5.5f

chip max supply voltage

Definition at line 46 of file driver_ntc.c.

◆ SUPPLY_VOLTAGE_MIN

#define SUPPLY_VOLTAGE_MIN 1.8f

chip min supply voltage

Definition at line 45 of file driver_ntc.c.

◆ TEMPERATURE_MAX

#define TEMPERATURE_MAX 250.0f

chip max operating temperature

Definition at line 49 of file driver_ntc.c.

◆ TEMPERATURE_MIN

#define TEMPERATURE_MIN -50.0f

chip min operating temperature

Definition at line 48 of file driver_ntc.c.

Macros

Functions