driver ntc header file More...

#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <math.h>

Include dependency graph for driver_ntc.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	ntc_table_s
	ntc table structure definition More...
struct	ntc_handle_s
	ntc handle structure definition More...
struct	ntc_info_s
	ntc information structure definition More...

Macros
#define	NTC_FILTER_BUFFER_SIZE 32
	ntc filter buffer size definition
#define	DRIVER_NTC_LINK_INIT(HANDLE, STRUCTURE)
	initialize ntc_handle_t structure
#define	DRIVER_NTC_LINK_ADC_INIT(HANDLE, FUC)
	link adc_init function
#define	DRIVER_NTC_LINK_ADC_DEINIT(HANDLE, FUC)
	link adc_deinit function
#define	DRIVER_NTC_LINK_ADC_READ(HANDLE, FUC)
	link adc_read function
#define	DRIVER_NTC_LINK_DELAY_MS(HANDLE, FUC)
	link delay_ms function
#define	DRIVER_NTC_LINK_DEBUG_PRINT(HANDLE, FUC)
	link debug_print function

Typedefs
typedef struct ntc_table_s	ntc_table_t
	ntc table structure definition
typedef struct ntc_handle_s	ntc_handle_t
	ntc handle structure definition
typedef struct ntc_info_s	ntc_info_t
	ntc information structure definition

Enumerations
enum	ntc_circuit_t { NTC_CIRCUIT_VCC_NTC_R_GND = 0x00 , NTC_CIRCUIT_VCC_R_NTC_GND = 0x01 }
	ntc circuit enumeration definition More...
enum	ntc_algorithm_t { NTC_ALGORITHM_BETA_FORMULA = 0x00 , NTC_ALGORITHM_STEINHART_HART = 0x01 , NTC_ALGORITHM_LOOKUP_TABLE = 0x02 }
	ntc algorithm enumeration definition More...
enum	ntc_filter_t { NTC_FILTER_NONE = 0x00 , NTC_FILTER_FIRST_ORDER_LAG = 0x01 , NTC_FILTER_MEDIAN = 0x02 , NTC_FILTER_ANTI_SPIKE_AVERAGE = 0x03 , NTC_FILTER_MOVING_AVERAGE = 0x04 , NTC_FILTER_WEIGHTED_MOVING_AVERAGE = 0x05 , NTC_FILTER_LIMITING = 0x06 , NTC_FILTER_KALMAN = 0x07 }
	ntc filter enumeration definition More...

Functions
uint8_t	ntc_info (ntc_info_t *info)
	get chip's information
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_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_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_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_reset_filter (ntc_handle_t *handle)
	reset the 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

Detailed Description

driver ntc header 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.h.

Data Structures

Macros

Typedefs

Enumerations

Functions

Detailed Description

history