max22915.c File Reference

Source file of MAX22915 Driver. More...

#include "max22915.h"
#include "no_os_error.h"
#include "no_os_alloc.h"
#include "no_os_spi.h"
#include "no_os_print_log.h"
#include <stdio.h>
#include <errno.h>

Include dependency graph for max22915.c:

Functions
int	max22915_reg_read (struct max22915_desc *desc, uint8_t reg_addr, uint8_t *reg_data)
	Read register data from MAX22915.
int	max22915_reg_write (struct max22915_desc *desc, uint8_t reg_addr, uint8_t reg_data)
	Write register data to MAX22915.
int	max22915_reg_write_mask (struct max22915_desc *desc, uint8_t reg_addr, uint8_t mask, uint8_t reg_data)
	Write register data to MAX22915 with mask.
int	max22915_set_sw_state (struct max22915_desc *dev, uint8_t channel, enum max22915_sw_state state)
	Set the switch state of a channel.
int	max22915_set_owon_config (struct max22915_desc *dev, uint8_t channel, bool owon_enable)
	Set the open-wire on detection configuration for a channel.
int	max22915_set_owoff_config (struct max22915_desc *dev, uint8_t channel, bool owoff_enable)
	Set the open-wire off detection configuration for a channel.
int	max22915_set_shvdd_config (struct max22915_desc *dev, uint8_t channel, bool shtvdd_enable)
	Set the short to VDD detection configuration for a channel.
int	max22915_set_current_config (struct max22915_desc *dev, struct max22915_current_config *config)
	Set the current measurement configuration.
int	max22915_set_temperature_config (struct max22915_desc *dev, struct max22915_temp_config *config)
	Set the temperature measurement configuration.
int	max22915_init (struct max22915_desc **device, struct max22915_init_param *init_param)
	Initialize and configure the MAX22915 device.
int	max22915_remove (struct max22915_desc *dev)
	Remove resources allocated for MAX22915.

Detailed Description

Source file of MAX22915 Driver.

Author

Janani Sunil (janan.nosp@m.i.su.nosp@m.nil@a.nosp@m.nalo.nosp@m.g.com)

Copyright 2025-2026(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Function Documentation

max22915_init()

int max22915_init	(	struct max22915_desc **	device,
		struct max22915_init_param *	init_param )

Initialize and configure the MAX22915 device.

Parameters

device	- Device descriptor for the MAX22915 that will be initialized
init_param	- Initialization parameter for the device

Returns

0 in case of success, negative error code otherwise

max22915_reg_read()

int max22915_reg_read	(	struct max22915_desc *	desc,
		uint8_t	reg_addr,
		uint8_t *	reg_data )

Read register data from MAX22915.

Parameters

desc	- Device descriptor for the MAX22915
reg_addr	- Register address to read from
reg_data	- Pointer to store the read data

Returns

0 in case of success, negative error code otherwise

max22915_reg_write()

int max22915_reg_write	(	struct max22915_desc *	desc,
		uint8_t	reg_addr,
		uint8_t	reg_data )

Write register data to MAX22915.

Parameters

desc	- Device descriptor for the MAX22915
reg_addr	- Register address to write to
reg_data	- Data to be written

Returns

0 in case of success, negative error code otherwise

max22915_reg_write_mask()

int max22915_reg_write_mask	(	struct max22915_desc *	desc,
		uint8_t	reg_addr,
		uint8_t	mask,
		uint8_t	reg_data )

Write register data to MAX22915 with mask.

Parameters

desc	- Device descriptor for the MAX22915
reg_addr	- Register address to write to
mask	- Bit mask for the operation
reg_data	- Data to be written

Returns

0 in case of success, negative error code otherwise

max22915_remove()

int max22915_remove

(

struct max22915_desc *

dev

)

Remove resources allocated for MAX22915.

Parameters

dev	- device descriptor for the MAX22915

Returns

0 in case of success, negative error code otherwise

max22915_set_current_config()

int max22915_set_current_config	(	struct max22915_desc *	dev,
		struct max22915_current_config *	config )

Set the current measurement configuration.

Parameters

dev	- Device descriptor for the MAX22915
config	- Pointer to current configuration structure

Returns

0 in case of success, negative error code otherwise

max22915_set_owoff_config()

int max22915_set_owoff_config	(	struct max22915_desc *	dev,
		uint8_t	channel,
		bool	owoff_enable )

Set the open-wire off detection configuration for a channel.

Parameters

dev	- Device descriptor for the MAX22915
channel	- Channel index
owoff_enable	- True to enable, false to disable

Returns

0 in case of success, negative error code otherwise

max22915_set_owon_config()

int max22915_set_owon_config	(	struct max22915_desc *	dev,
		uint8_t	channel,
		bool	owon_enable )

Set the open-wire on detection configuration for a channel.

Parameters

dev	- Device descriptor for the MAX22915
channel	- Channel index
owon_enable	- True to enable, false to disable

Returns

0 in case of success, negative error code otherwise

max22915_set_shvdd_config()

int max22915_set_shvdd_config	(	struct max22915_desc *	dev,
		uint8_t	channel,
		bool	shtvdd_enable )

Set the short to VDD detection configuration for a channel.

Parameters

dev	- Device descriptor for the MAX22915
channel	- Channel index
shtvdd_enable	- True to enable, false to disable

Returns

0 in case of success, negative error code otherwise

max22915_set_sw_state()

int max22915_set_sw_state	(	struct max22915_desc *	dev,
		uint8_t	channel,
		enum max22915_sw_state	state )

Set the switch state of a channel.

Parameters

dev	- Device descriptor for the MAX22915
channel	- Channel index
state	- Switch state to be set

Returns

0 in case of success, negative error code otherwise

max22915_set_temperature_config()

int max22915_set_temperature_config	(	struct max22915_desc *	dev,
		struct max22915_temp_config *	config )

Set the temperature measurement configuration.

Parameters

dev	- Device descriptor for the MAX22915
config	- Pointer to temperature configuration structure

Returns

0 in case of success, negative error code otherwise