ad7293.c File Reference

Implementation of ad7293 Driver. More...

#include <malloc.h>
#include "ad7293.h"
#include "no_os_error.h"
#include "no_os_delay.h"
#include "no_os_alloc.h"

Include dependency graph for ad7293.c:

Functions
int	ad7293_spi_read (struct ad7293_dev *dev, unsigned int reg, uint16_t *val)
	Reads data from AD7293 over SPI.
int	ad7293_spi_write (struct ad7293_dev *dev, unsigned int reg, uint16_t val)
	Writes data to AD7293 over SPI.
int	ad7293_spi_update_bits (struct ad7293_dev *dev, unsigned int reg, uint16_t mask, uint16_t val)
	Update AD7293 register.
int	ad7293_adc_get_range (struct ad7293_dev *dev, unsigned int ch, uint16_t *range)
	Get the range value for ADC channels.
int	ad7293_adc_set_range (struct ad7293_dev *dev, unsigned int ch, uint16_t range)
	Set the range value for ADC channels.
int	ad7293_isense_set_gain (struct ad7293_dev *dev, unsigned int ch, uint16_t gain)
	Set the gain value for ISENSE channels.
int	ad7293_isense_get_gain (struct ad7293_dev *dev, unsigned int ch, uint16_t *gain)
	Get the gain value for ISENSE channels.
int	ad7293_get_offset (struct ad7293_dev *dev, enum ad7293_ch_type type, unsigned int ch, uint16_t *offset)
	Set offset value for specific channel and channel type.
int	ad7293_set_offset (struct ad7293_dev *dev, enum ad7293_ch_type type, unsigned int ch, uint16_t offset)
	Set offset value for specific channel and channel type.
int	ad7293_dac_write_raw (struct ad7293_dev *dev, unsigned int ch, uint16_t raw)
	Set the DAC output raw value.
int	ad7293_ch_read_raw (struct ad7293_dev *dev, enum ad7293_ch_type type, unsigned int ch, uint16_t *raw)
	Read raw value for specific channel and channel type.
int	ad7293_soft_reset (struct ad7293_dev *dev)
	Perform software reset.
int	ad7293_reset (struct ad7293_dev *dev)
	Perform both hardware and software reset.
int	ad7293_init (struct ad7293_dev **device, struct ad7293_init_param *init_param)
	Initializes the ad7293.
int	ad7293_remove (struct ad7293_dev *dev)
	AD7293 Resources Deallocation.

Detailed Description

Implementation of ad7293 Driver.

Author

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

Copyright 2022(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Function Documentation

ad7293_adc_get_range()

int ad7293_adc_get_range	(	struct ad7293_dev *	dev,
		unsigned int	ch,
		uint16_t *	range )

Get the range value for ADC channels.

Parameters

dev	- The device structure.
ch	- the channel number.
range	- the range value.

Returns

Returns 0 in case of success or negative error code.

ad7293_adc_set_range()

int ad7293_adc_set_range	(	struct ad7293_dev *	dev,
		unsigned int	ch,
		uint16_t	range )

Set the range value for ADC channels.

Parameters

dev	- The device structure.
ch	- the channel number.
range	- the range value.

Returns

Returns 0 in case of success or negative error code.

ad7293_ch_read_raw()

int ad7293_ch_read_raw	(	struct ad7293_dev *	dev,
		enum ad7293_ch_type	type,
		unsigned int	ch,
		uint16_t *	raw )

Read raw value for specific channel and channel type.

Parameters

dev	- The device structure.
type	- The channel type.
ch	- the channel number.
raw	- the raw value read.

Returns

Returns 0 in case of success or negative error code.

ad7293_dac_write_raw()

int ad7293_dac_write_raw	(	struct ad7293_dev *	dev,
		unsigned int	ch,
		uint16_t	raw )

Set the DAC output raw value.

Parameters

dev	- The device structure.
ch	- the channel number.
raw	- the raw value to be written.

Returns

Returns 0 in case of success or negative error code.

ad7293_get_offset()

int ad7293_get_offset	(	struct ad7293_dev *	dev,
		enum ad7293_ch_type	type,
		unsigned int	ch,
		uint16_t *	offset )

Set offset value for specific channel and channel type.

Parameters

dev	- The device structure.
type	- The channel type.
ch	- the channel number.
offset	- the raw value to be written.

Returns

Returns 0 in case of success or negative error code.

ad7293_init()

int ad7293_init	(	struct ad7293_dev **	device,
		struct ad7293_init_param *	init_param )

Initializes the ad7293.

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.

ad7293_isense_get_gain()

int ad7293_isense_get_gain	(	struct ad7293_dev *	dev,
		unsigned int	ch,
		uint16_t *	gain )

Get the gain value for ISENSE channels.

Parameters

dev	- The device structure.
ch	- the channel number.
gain	- the gain read.

Returns

Returns 0 in case of success or negative error code.

ad7293_isense_set_gain()

int ad7293_isense_set_gain	(	struct ad7293_dev *	dev,
		unsigned int	ch,
		uint16_t	gain )

Set the gain value for ISENSE channels.

Parameters

dev	- The device structure.
ch	- the channel number.
gain	- the range value.

Returns

Returns 0 in case of success or negative error code.

ad7293_remove()

int ad7293_remove

(

struct ad7293_dev *

dev

)

AD7293 Resources Deallocation.

Parameters

dev	- The device structure.

Returns

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

ad7293_reset()

int ad7293_reset

(

struct ad7293_dev *

dev

)

Perform both hardware and software reset.

Parameters

dev-	The device structure.

Returns

Returns 0 in case of success or negative error code.

ad7293_set_offset()

int ad7293_set_offset	(	struct ad7293_dev *	dev,
		enum ad7293_ch_type	type,
		unsigned int	ch,
		uint16_t	offset )

Set offset value for specific channel and channel type.

Parameters

dev	- The device structure.
type	- The channel type.
ch	- the channel number.
offset	- the raw value read.

Returns

Returns 0 in case of success or negative error code.

ad7293_soft_reset()

int ad7293_soft_reset

(

struct ad7293_dev *

dev

)

Perform software reset.

Parameters

dev	- The device structure.

Returns

Returns 0 in case of success or negative error code.

ad7293_spi_read()

int ad7293_spi_read	(	struct ad7293_dev *	dev,
		unsigned int	reg,
		uint16_t *	val )

Reads data from AD7293 over SPI.

Parameters

dev	- The device structure.
reg	- The register address.
val	- Data read from the device.

Returns

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

ad7293_spi_update_bits()

int ad7293_spi_update_bits	(	struct ad7293_dev *	dev,
		unsigned int	reg,
		uint16_t	mask,
		uint16_t	val )

Update AD7293 register.

Parameters

dev	- The device structure.
reg	- The register address.
mask	- Mask for specific register bits to be updated.
val	- Data written to the device (requires prior bit shifting).

Returns

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

ad7293_spi_write()

int ad7293_spi_write	(	struct ad7293_dev *	dev,
		unsigned int	reg,
		uint16_t	val )

Writes data to AD7293 over SPI.

Parameters

dev	- The device structure.
reg	- The register address.
val	- Data value to write.

Returns

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