max31889.h File Reference

Temperature sensor functionalities. More...

#include <errno.h>
#include "no_os_i2c.h"

Include dependency graph for max31889.h:

Classes
struct	max31889_desc
struct	max31889_init_param

Macros
#define	MAX31889_REG_STATUS   0x00
#define	MAX31889_REG_INT_ENABLE   0x01
#define	MAX31889_REG_FIFO_WRITE_PTR   0x04
#define	MAX31889_REG_FIFO_READ_PTR   0x05
#define	MAX31889_REG_OVERL_CNT   0x06
#define	MAX31889_REG_DATA_CNT   0x07
#define	MAX31889_REG_FIFO_DATA   0x08
#define	MAX31889_REG_FIFO_CONFIG   0x09
#define	MAX31889_REG_FIFO_CONFIG2   0x0A
#define	MAX31889_REG_SYS_CNTRL   0x0C
#define	MAX31889_REG_ALARM_HIGH_MSB   0x10
#define	MAX31889_REG_ALARM_HIGH_LSB   0x11
#define	MAX31889_REG_ALARM_LOW_MSB   0x12
#define	MAX31889_REG_ALARM_LOW_LSB   0x13
#define	MAX31889_REG_TEMP_SETUP   0x14
#define	MAX31889_REG_GPIO_SETUP   0x20
#define	MAX31889_REG_GPIO_CNTRL   0x21
#define	MAX31889_REG_PART_ID   0xFF
#define	MAX31889_MAX_CONV_STEPS   10
#define	MAX31889_CONV_RATE   0.005
#define	MAX31889_MEASUREMENT_TRIG_VALUE   0xC1
#define	TEMP_MEAS_WAIT_UNTIL_ERROR_MS   1000

Functions
int32_t	max31889_trig_conversion (struct max31889_desc *)
int32_t	max31889_write_reg (struct max31889_desc *, uint8_t, uint8_t *, uint8_t)
int32_t	max31889_read_reg (struct max31889_desc *, uint8_t, uint8_t *, uint8_t)
int32_t	max31889_trig_and_read_temp (struct max31889_desc *, double *)
int32_t	max31889_init (struct max31889_desc **, struct max31889_init_param *)
int32_t	max31889_remove (struct max31889_desc *)

Detailed Description

Temperature sensor functionalities.

Author

Robert Budai (rober.nosp@m.t.bu.nosp@m.dai@a.nosp@m.nalo.nosp@m.g.com)

Copyright 2025(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Macro Definition Documentation

MAX31889_CONV_RATE

#define MAX31889_CONV_RATE   0.005

MAX31889_MAX_CONV_STEPS

#define MAX31889_MAX_CONV_STEPS   10

MAX31889_MEASUREMENT_TRIG_VALUE

#define MAX31889_MEASUREMENT_TRIG_VALUE   0xC1

MAX31889_REG_ALARM_HIGH_LSB

#define MAX31889_REG_ALARM_HIGH_LSB   0x11

MAX31889_REG_ALARM_HIGH_MSB

#define MAX31889_REG_ALARM_HIGH_MSB   0x10

MAX31889_REG_ALARM_LOW_LSB

#define MAX31889_REG_ALARM_LOW_LSB   0x13

MAX31889_REG_ALARM_LOW_MSB

#define MAX31889_REG_ALARM_LOW_MSB   0x12

MAX31889_REG_DATA_CNT

#define MAX31889_REG_DATA_CNT   0x07

MAX31889_REG_FIFO_CONFIG

#define MAX31889_REG_FIFO_CONFIG   0x09

MAX31889_REG_FIFO_CONFIG2

#define MAX31889_REG_FIFO_CONFIG2   0x0A

MAX31889_REG_FIFO_DATA

#define MAX31889_REG_FIFO_DATA   0x08

MAX31889_REG_FIFO_READ_PTR

#define MAX31889_REG_FIFO_READ_PTR   0x05

MAX31889_REG_FIFO_WRITE_PTR

#define MAX31889_REG_FIFO_WRITE_PTR   0x04

MAX31889_REG_GPIO_CNTRL

#define MAX31889_REG_GPIO_CNTRL   0x21

MAX31889_REG_GPIO_SETUP

#define MAX31889_REG_GPIO_SETUP   0x20

MAX31889_REG_INT_ENABLE

#define MAX31889_REG_INT_ENABLE   0x01

MAX31889_REG_OVERL_CNT

#define MAX31889_REG_OVERL_CNT   0x06

MAX31889_REG_PART_ID

#define MAX31889_REG_PART_ID   0xFF

MAX31889_REG_STATUS

#define MAX31889_REG_STATUS   0x00

MAX31889_REG_SYS_CNTRL

#define MAX31889_REG_SYS_CNTRL   0x0C

MAX31889_REG_TEMP_SETUP

#define MAX31889_REG_TEMP_SETUP   0x14

TEMP_MEAS_WAIT_UNTIL_ERROR_MS

#define TEMP_MEAS_WAIT_UNTIL_ERROR_MS   1000

Function Documentation

max31889_init()

int32_t max31889_init	(	struct max31889_desc **	desc,
		struct max31889_init_param *	param )

max31889_read_reg()

int32_t max31889_read_reg	(	struct max31889_desc *	desc,
		uint8_t	reg_addr,
		uint8_t *	data,
		uint8_t	length )

max31889_remove()

int32_t max31889_remove

(

struct max31889_desc *

desc

)

max31889_trig_and_read_temp()

int32_t max31889_trig_and_read_temp	(	struct max31889_desc *	desc,
		double *	temperature )

max31889_trig_conversion()

int32_t max31889_trig_conversion

(

struct max31889_desc *

desc

)

max31889_write_reg()

int32_t max31889_write_reg	(	struct max31889_desc *	desc,
		uint8_t	reg_addr,
		uint8_t *	data,
		uint8_t	length )