iio_adis.c File Reference

Implementation of iio_adis.c. More...

#include "iio_adis_internals.h"
#include "no_os_delay.h"
#include "no_os_units.h"
#include <stdio.h>
#include <string.h>
#include "adis.h"
#include "adis_internals.h"
#include "iio_trigger.h"

Include dependency graph for iio_adis.c:

Macros
#define	ADIS_BURST_DATA_SEL_0_CHN_MASK   NO_OS_GENMASK(5, 0)
#define	ADIS_BURST_DATA_SEL_1_CHN_MASK   NO_OS_GENMASK(12, 7)

Functions
int	adis_iio_read_reg (void *dev, uint32_t reg, uint32_t *readval)
	Wrapper for reading adis register.
int	adis_iio_write_reg (void *dev, uint32_t reg, uint32_t writeval)
	Wrapper for writing to adis register.
int	adis_iio_read_raw (void *dev, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
	Handles the read request for raw attribute.
int	adis_iio_read_scale (void *dev, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
	Handles the read request for scale attribute.
int	adis_iio_read_offset (void *dev, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
	Handles the read request for offset attribute.
int	adis_iio_read_calibbias (void *dev, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
	Handles the read request for calibbias attribute.
int	adis_iio_write_calibbias (void *dev, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
	Handles the write request for calibbias attribute.
int	adis_iio_read_calibscale (void *dev, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
	Handles the read request for calibscale attribute.
int	adis_iio_write_calibscale (void *dev, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
	Handles the write request for calibscale attribute.
int	adis_iio_read_lpf (void *dev, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
	Handles the read request for lpf attribute.
int	adis_iio_write_lpf (void *dev, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
	Handles the write request for lpf attribute.
int	adis_iio_read_sampling_freq (void *dev, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
	Handles the read request for sampling frequency attribute.
int	adis_iio_write_sampling_freq (void *dev, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
	Handles the write request for sampling frequency attribute.
int	adis_iio_read_gyro_meas_range (struct adis_iio_dev *iio_adis, char *buf)
	Reads gyroscope measurement range value and returns it in char format.
int	adis_iio_read_debug_attrs (void *dev, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
	Handles the read request for debug attributes.
int	adis_iio_write_debug_attrs (void *dev, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
	Handles the write request for debug attributes.
int	adis_iio_pre_enable (void *dev, uint32_t mask)
	API to be called before trigger is enabled.
int	adis_iio_post_disable (void *dev)
	API to be called after trigger is disabled.
int	adis_iio_trigger_handler (struct iio_device_data *dev_data)
	Handles trigger: reads one data-set and writes it to the buffer.
int	adis_iio_trigger_handler_with_fifo (struct iio_device_data *dev_data)
	Handles trigger: reads all available samples in FIFO and writes them to the buffer.

Variables
struct iio_attribute	adis_dev_attrs []
struct iio_attribute	adis_iio_anglvel_attrs []
struct iio_attribute	adis_iio_accel_attrs []
struct iio_attribute	adis_iio_temp_attrs []
struct iio_attribute	adis_iio_delta_angl_attrs []
struct iio_attribute	adis_iio_delta_vel_attrs []

Detailed Description

Implementation of iio_adis.c.

Author

RBolboac (ramon.nosp@m.a.bo.nosp@m.lboac.nosp@m.a@an.nosp@m.alog..nosp@m.com)

Copyright 2023(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Macro Definition Documentation

ADIS_BURST_DATA_SEL_0_CHN_MASK

#define ADIS_BURST_DATA_SEL_0_CHN_MASK   NO_OS_GENMASK(5, 0)

ADIS_BURST_DATA_SEL_1_CHN_MASK

#define ADIS_BURST_DATA_SEL_1_CHN_MASK   NO_OS_GENMASK(12, 7)

Function Documentation

adis_iio_post_disable()

int adis_iio_post_disable

(

void *

dev

)

API to be called after trigger is disabled.

Parameters

dev	- The iio device structure.

Returns

0 in case of success, error code otherwise.

adis_iio_pre_enable()

int adis_iio_pre_enable	(	void *	dev,
		uint32_t	mask )

API to be called before trigger is enabled.

Parameters

dev	- The iio device structure.
mask	- The active channels mask.

Returns

0 in case of success, error code otherwise.

adis_iio_read_calibbias()

int adis_iio_read_calibbias	(	void *	dev,
		char *	buf,
		uint32_t	len,
		const struct iio_ch_info *	channel,
		intptr_t	priv )

Handles the read request for calibbias attribute.

Parameters

dev	- The iio device structure.
buf	- Command buffer to be filled with requested data.
len	- Length of the received command buffer in bytes.
channel	- Command channel info.
priv	- Command attribute id.

Returns

the size of the read data in case of success, error code otherwise.

adis_iio_read_calibscale()

int adis_iio_read_calibscale	(	void *	dev,
		char *	buf,
		uint32_t	len,
		const struct iio_ch_info *	channel,
		intptr_t	priv )

Handles the read request for calibscale attribute.

Parameters

dev	- The iio device structure.
buf	- Command buffer to be filled with requested data.
len	- Length of the received command buffer in bytes.
channel	- Command channel info.
priv	- Command attribute id.

Returns

the size of the read data in case of success, error code otherwise.

adis_iio_read_debug_attrs()

int adis_iio_read_debug_attrs	(	void *	dev,
		char *	buf,
		uint32_t	len,
		const struct iio_ch_info *	channel,
		intptr_t	priv )

Handles the read request for debug attributes.

Parameters

dev	- The iio device structure.
buf	- Command buffer to be filled with requested data.
len	- Length of the received command buffer in bytes.
channel	- Command channel info.
priv	- Command attribute id.

Returns

the size of the read data in case of success, error code otherwise.

adis_iio_read_gyro_meas_range()

int adis_iio_read_gyro_meas_range	(	struct adis_iio_dev *	iio_adis,
		char *	buf )

Reads gyroscope measurement range value and returns it in char format.

Parameters

iio_adis	- The iio adis device.
buf	- The gyroscope measurement range value in char format.

Returns

the size of the written data in buf in case of success, error code otherwise.

adis_iio_read_lpf()

int adis_iio_read_lpf	(	void *	dev,
		char *	buf,
		uint32_t	len,
		const struct iio_ch_info *	channel,
		intptr_t	priv )

Handles the read request for lpf attribute.

Parameters

dev	- The iio device structure.
buf	- Command buffer to be filled with requested data.
len	- Length of the received command buffer in bytes.
channel	- Command channel info.
priv	- Command attribute id.

Returns

the size of the read data in case of success, error code otherwise.

adis_iio_read_offset()

int adis_iio_read_offset	(	void *	dev,
		char *	buf,
		uint32_t	len,
		const struct iio_ch_info *	channel,
		intptr_t	priv )

Handles the read request for offset attribute.

Parameters

dev	- The iio device structure.
buf	- Command buffer to be filled with requested data.
len	- Length of the received command buffer in bytes.
channel	- Command channel info.
priv	- Command attribute id.

Returns

the size of the read data in case of success, error code otherwise.

adis_iio_read_raw()

int adis_iio_read_raw	(	void *	dev,
		char *	buf,
		uint32_t	len,
		const struct iio_ch_info *	channel,
		intptr_t	priv )

Handles the read request for raw attribute.

Parameters

dev	- The iio device structure.
buf	- Command buffer to be filled with requested data.
len	- Length of the received command buffer in bytes.
channel	- Command channel info.
priv	- Command attribute id.

Returns

the size of the read data in case of success, error code otherwise.

adis_iio_read_reg()

int adis_iio_read_reg	(	void *	dev,
		uint32_t	reg,
		uint32_t *	readval )

Wrapper for reading adis register.

Parameters

dev	- The iio device structure.
reg	- Address of the register to be read from.
readval	- Read data.

Returns

ret - Result of the reading procedure.

adis_iio_read_sampling_freq()

int adis_iio_read_sampling_freq	(	void *	dev,
		char *	buf,
		uint32_t	len,
		const struct iio_ch_info *	channel,
		intptr_t	priv )

Handles the read request for sampling frequency attribute.

Parameters

dev	- The iio device structure.
buf	- Command buffer to be filled with requested data.
len	- Length of the received command buffer in bytes.
channel	- Command channel info.
priv	- Command attribute id.

Returns

the size of the read data in case of success, error code otherwise.

adis_iio_read_scale()

int adis_iio_read_scale	(	void *	dev,
		char *	buf,
		uint32_t	len,
		const struct iio_ch_info *	channel,
		intptr_t	priv )

Handles the read request for scale attribute.

Parameters

dev	- The iio device structure.
buf	- Command buffer to be filled with requested data.
len	- Length of the received command buffer in bytes.
channel	- Command channel info.
priv	- Command attribute id.

Returns

the size of the read data in case of success, error code otherwise.

adis_iio_trigger_handler()

int adis_iio_trigger_handler

(

struct iio_device_data *

dev_data

)

Handles trigger: reads one data-set and writes it to the buffer.

Parameters

dev_data

- The iio device data structure.

Returns

the size of the written data in case of success, error code otherwise.

adis_iio_trigger_handler_with_fifo()

int adis_iio_trigger_handler_with_fifo

(

struct iio_device_data *

dev_data

)

Handles trigger: reads all available samples in FIFO and writes them to the buffer.

Parameters

dev_data

- The iio device data structure.

Returns

the size of the written data in case of success, error code otherwise.

adis_iio_write_calibbias()

int adis_iio_write_calibbias	(	void *	dev,
		char *	buf,
		uint32_t	len,
		const struct iio_ch_info *	channel,
		intptr_t	priv )

Handles the write request for calibbias attribute.

Parameters

dev	- The iio device structure.
buf	- Command buffer to be filled with the data to be written.
len	- Length of the received command buffer in bytes.
channel	- Command channel info.
priv	- Command attribute id.

Returns

the result of the writing procedure.

adis_iio_write_calibscale()

int adis_iio_write_calibscale	(	void *	dev,
		char *	buf,
		uint32_t	len,
		const struct iio_ch_info *	channel,
		intptr_t	priv )

Handles the write request for calibscale attribute.

Parameters

dev	- The iio device structure.
buf	- Command buffer to be filled with the data to be written.
len	- Length of the received command buffer in bytes.
channel	- Command channel info.
priv	- Command attribute id.

Returns

the result of the writing procedure.

adis_iio_write_debug_attrs()

int adis_iio_write_debug_attrs	(	void *	dev,
		char *	buf,
		uint32_t	len,
		const struct iio_ch_info *	channel,
		intptr_t	priv )

Handles the write request for debug attributes.

Parameters

dev	- The iio device structure.
buf	- Command buffer to be filled with the data to be written.
len	- Length of the received command buffer in bytes.
channel	- Command channel info.
priv	- Command attribute id.

Returns

the result of the writing procedure.

adis_iio_write_lpf()

int adis_iio_write_lpf	(	void *	dev,
		char *	buf,
		uint32_t	len,
		const struct iio_ch_info *	channel,
		intptr_t	priv )

Handles the write request for lpf attribute.

Parameters

dev	- The iio device structure.
buf	- Command buffer to be filled with the data to be written.
len	- Length of the received command buffer in bytes.
channel	- Command channel info.
priv	- Command attribute id.

Returns

the result of the writing procedure.

adis_iio_write_reg()

int adis_iio_write_reg	(	void *	dev,
		uint32_t	reg,
		uint32_t	writeval )

Wrapper for writing to adis register.

Parameters

dev	- The iio device structure.
reg	- Address of the register to be written to.
writeval	- Data to be written.

Returns

ret - Result of the writing procedure.

adis_iio_write_sampling_freq()

int adis_iio_write_sampling_freq	(	void *	dev,
		char *	buf,
		uint32_t	len,
		const struct iio_ch_info *	channel,
		intptr_t	priv )

Handles the write request for sampling frequency attribute.

Parameters

dev	- The iio device structure.
buf	- Command buffer to be filled with the data to be written.
len	- Length of the received command buffer in bytes.
channel	- Command channel info.
priv	- Command attribute id.

Returns

the result of the writing procedure.

Variable Documentation

adis_dev_attrs

struct iio_attribute adis_dev_attrs[]

Initial value:

= {
    {
        .name   = "filter_low_pass_3db_frequency",
        .show   = adis_iio_read_lpf,
        .store  = adis_iio_write_lpf,
    },
    {
        .name   = "sampling_frequency",
        .show   = adis_iio_read_sampling_freq,
        .store  = adis_iio_write_sampling_freq,
    },
    END_ATTRIBUTES_ARRAY
}

adis_iio_accel_attrs

struct iio_attribute adis_iio_accel_attrs[]

Initial value:

= {
    {
        .name  = "calibbias",
        .show  = adis_iio_read_calibbias,
        .store = adis_iio_write_calibbias,
    },
    {
        .name = "raw",
        .show = adis_iio_read_raw,
    },
    {
        .name   = "scale",
        .shared = IIO_SHARED_BY_TYPE,
        .show   = adis_iio_read_scale,
    },
    END_ATTRIBUTES_ARRAY
}

adis_iio_anglvel_attrs

struct iio_attribute adis_iio_anglvel_attrs[]

Initial value:

= {
    {
        .name  = "calibbias",
        .show  = adis_iio_read_calibbias,
        .store = adis_iio_write_calibbias,
    },
    {
        .name = "raw",
        .show = adis_iio_read_raw,
    },
    {
        .name   = "scale",
        .shared = IIO_SHARED_BY_TYPE,
        .show   = adis_iio_read_scale,
    },
    END_ATTRIBUTES_ARRAY
}

adis_iio_delta_angl_attrs

struct iio_attribute adis_iio_delta_angl_attrs[]

Initial value:

= {
    {
        .name = "raw",
        .show = adis_iio_read_raw,
    },
    {
        .name   = "scale",
        .shared = IIO_SHARED_BY_TYPE,
        .show   = adis_iio_read_scale,
    },
    END_ATTRIBUTES_ARRAY
}

adis_iio_delta_vel_attrs

struct iio_attribute adis_iio_delta_vel_attrs[]

Initial value:

= {
    {
        .name = "raw",
        .show = adis_iio_read_raw,
    },
    {
        .name   = "scale",
        .shared = IIO_SHARED_BY_TYPE,
        .show   = adis_iio_read_scale,
    },
    END_ATTRIBUTES_ARRAY
}

adis_iio_temp_attrs

struct iio_attribute adis_iio_temp_attrs[]

Initial value:

= {
    {
        .name = "raw",
        .show = adis_iio_read_raw,
    },
    {
        .name = "scale",
        .show = adis_iio_read_scale,
    },
    END_ATTRIBUTES_ARRAY
}