ada4250.c File Reference

Implementation of ADA4250 Driver. More...

#include <stdlib.h>
#include "ada4250.h"
#include "no_os_delay.h"
#include "no_os_error.h"
#include "no_os_alloc.h"

Include dependency graph for ada4250.c:

Functions
int32_t	ada4250_write (struct ada4250_dev *dev, uint8_t reg_addr, uint8_t data)
	Writes data to ada4250 over SPI.
int32_t	ada4250_read (struct ada4250_dev *dev, uint8_t reg_addr, uint8_t *data)
	Reads data from ada4250 over SPI.
int32_t	ada4250_update (struct ada4250_dev *dev, uint8_t reg_addr, uint8_t mask, uint8_t data)
	Update ADA4250 register.
int32_t	ada4250_update_desc (struct ada4250_dev *dev)
	Update ADA4250 device descriptor.
int32_t	ada4250_soft_reset (struct ada4250_dev *dev)
	Software reset.
int32_t	ada4250_en_refbuf (struct ada4250_dev *dev, bool refbuf)
	Enable/Disable Reference Buffer.
int32_t	ada4250_set_bias (struct ada4250_dev *dev, enum ada4250_bias bias)
	Set current bias for ADA4250.
int32_t	ada4250_set_gain (struct ada4250_dev *dev, enum ada4250_gain gain)
	Set gain for ADA4250.
int32_t	ada4250_set_offset (struct ada4250_dev *dev, int64_t offset)
	Set offset value for ADA4250.
int32_t	ada4250_set_bandwidth (struct ada4250_dev *dev, enum ada4250_bandwidth bw)
	Set the bandwidth value for ADA4250.
int32_t	ada4250_set_slp_shtdwn_mode (struct ada4250_dev *dev, enum ada4250_power_mode pwrmode)
	Set the ADA4250 into sleep or shutdown mode.
int32_t	ada4250_set_normal_mode (struct ada4250_dev *dev, bool reconfig)
	Sets the ADA4250 into normal mode and reconfigures it according to the user input.
int32_t	ada4250_init (struct ada4250_dev **device, struct ada4250_init_param *init_param)
	Initialize the ADA4250 device.
int32_t	ada4250_remove (struct ada4250_dev *dev)
	Free resoulces allocated for ADA4250.

Detailed Description

Implementation of ADA4250 Driver.

Author

Antoniu Miclaus (anton.nosp@m.iu.m.nosp@m.iclau.nosp@m.s@an.nosp@m.alog..nosp@m.com)

Copyright 2021(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Function Documentation

ada4250_en_refbuf()

int32_t ada4250_en_refbuf	(	struct ada4250_dev *	dev,
		bool	refbuf )

Enable/Disable Reference Buffer.

Parameters

dev	- The device structure.
refbuf	- REFBUF enable/disable.

Returns

Returns 0 in case of success or negative error code.

ada4250_init()

int32_t ada4250_init	(	struct ada4250_dev **	device,
		struct ada4250_init_param *	init_param )

Initialize the ADA4250 device.

Parameters

device	- The device structure.
init_param	- The structure containing the device initial parameters.

Returns

Returns 0 in case of success or negative error code.

ada4250_read()

int32_t ada4250_read	(	struct ada4250_dev *	dev,
		uint8_t	reg_addr,
		uint8_t *	data )

Reads data from ada4250 over SPI.

Parameters

dev	- The device structure.
reg_addr	- The register address.
data	- Data read from the device.

Returns

Returns 0 in case of success or negative error code otherwise.

ada4250_remove()

int32_t ada4250_remove

(

struct ada4250_dev *

dev

)

Free resoulces allocated for ADA4250.

Parameters

dev	- The device structure.

Returns

Returns 0 in case of success or negative error code.

ada4250_set_bandwidth()

int32_t ada4250_set_bandwidth	(	struct ada4250_dev *	dev,
		enum ada4250_bandwidth	bw )

Set the bandwidth value for ADA4250.

Parameters

dev	- The device structure.
bw	- Bandwidth value.

Returns

Returns 0 in case of success or negative error code.

ada4250_set_bias()

int32_t ada4250_set_bias	(	struct ada4250_dev *	dev,
		enum ada4250_bias	bias )

Set current bias for ADA4250.

Parameters

dev	- The device structure.
bias	- Current bias option.

Returns

Returns 0 in case of success or negative error code.

ada4250_set_gain()

int32_t ada4250_set_gain	(	struct ada4250_dev *	dev,
		enum ada4250_gain	gain )

Set gain for ADA4250.

Parameters

dev	- The device structure.
gain	- Gain Value.

Returns

Returns 0 in case of success or negative error code.

ada4250_set_normal_mode()

int32_t ada4250_set_normal_mode	(	struct ada4250_dev *	dev,
		bool	reconfig )

Sets the ADA4250 into normal mode and reconfigures it according to the user input.

Parameters

dev	- The device structure.
reconfig	- Reconfiguration enable/disable.

Returns

Returns 0 in case of success or negative error code.

ada4250_set_offset()

int32_t ada4250_set_offset	(	struct ada4250_dev *	dev,
		int64_t	offset )

Set offset value for ADA4250.

Parameters

dev	- The device structure.
offset	- Offset Value in nV.

Returns

Returns 0 in case of success or negative error code.

ada4250_set_slp_shtdwn_mode()

int32_t ada4250_set_slp_shtdwn_mode	(	struct ada4250_dev *	dev,
		enum ada4250_power_mode	pwrmode )

Set the ADA4250 into sleep or shutdown mode.

Parameters

dev	- The device structure.
pwrmode	- Power mode option.

Returns

Returns 0 in case of success or negative error code.

ada4250_soft_reset()

int32_t ada4250_soft_reset

(

struct ada4250_dev *

dev

)

Software reset.

Parameters

dev	- The device structure.

Returns

Returns 0 in case of success or negative error code.

ada4250_update()

int32_t ada4250_update	(	struct ada4250_dev *	dev,
		uint8_t	reg_addr,
		uint8_t	mask,
		uint8_t	data )

Update ADA4250 register.

Parameters

dev	- The device structure.
reg_addr	- The register address.
mask	- Mask for specific register bits to be updated.
data	- Data read from the device.

Returns

Returns 0 in case of success or negative error code otherwise.

ada4250_update_desc()

int32_t ada4250_update_desc

(

struct ada4250_dev *

dev

)

Update ADA4250 device descriptor.

Parameters

dev	- The device structure.

Returns

Returns 0 in case of success or negative error code otherwise.

ada4250_write()

int32_t ada4250_write	(	struct ada4250_dev *	dev,
		uint8_t	reg_addr,
		uint8_t	data )

Writes data to ada4250 over SPI.

Parameters

dev	- The device structure.
reg_addr	- The register address.
data	- Data value to write.

Returns

Returns 0 in case of success or negative error code otherwise.