iio.c File Reference

Implementation of iio. More...

#include "iio.h"
#include "iio_types.h"
#include "iiod.h"
#include "ctype.h"
#include "no_os_util.h"
#include "no_os_list.h"
#include "no_os_error.h"
#include "no_os_uart.h"
#include "no_os_alloc.h"
#include "no_os_circular_buffer.h"
#include <inttypes.h>
#include <stdio.h>
#include <string.h>

Include dependency graph for iio.c:

Classes
struct	attr_fun_params
struct	iio_buffer_priv
struct	iio_dev_priv
	Links a physical device instance "void *dev_instance" with a "iio_device *iio" that describes capabilities of the device. More...
struct	iio_trig_priv
	Links a physical trigger instance "void *instance" with a "iio_trigger *descriptor" that describes capabilities of the trigger. More...
struct	iio_desc

Macros
#define	IIOD_PORT   30431
#define	MAX_SOCKET_TO_HANDLE   10
#define	REG_ACCESS_ATTRIBUTE   "direct_reg_access"
#define	IIOD_CONN_BUFFER_SIZE   0x1000
#define	NO_TRIGGER   (uint32_t)-1
#define	NO_OS_STRINGIFY(x)
#define	NO_OS_TOSTRING(x)

Functions
int32_t	iio_parse_value (char *buf, enum iio_val fmt, int32_t *val, int32_t *val2)
int	iio_format_value (char *buf, uint32_t len, enum iio_val fmt, int32_t size, int32_t *vals)
int	iio_process_trigger_type (struct iio_desc *desc, char *trigger_name)
	Searches for trigger name and processes the trigger based on its type (sync or async with the interrupt).
int	iio_buffer_get_block (struct iio_buffer *buffer, void **addr)
int	iio_buffer_block_done (struct iio_buffer *buffer)
int	iio_buffer_push_scan (struct iio_buffer *buffer, void *data)
int	iio_buffer_pop_scan (struct iio_buffer *buffer, void *data)
int	iio_step (struct iio_desc *desc)
	Execute an iio step.
int	iio_init (struct iio_desc **desc, struct iio_init_param *init_param)
	Set communication ops and read/write ops.
int	iio_remove (struct iio_desc *desc)
	Free the resources allocated by "iio_init()".

Detailed Description

Implementation of iio.

Author

Cristian Pop (crist.nosp@m.ian..nosp@m.pop@a.nosp@m.nalo.nosp@m.g.com)

Mihail Chindris (mihai.nosp@m.l.ch.nosp@m.indri.nosp@m.s@an.nosp@m.alog..nosp@m.com)

Vilmos-Csaba Jozsa (vilmo.nosp@m.scsa.nosp@m.ba.jo.nosp@m.zsa@.nosp@m.analo.nosp@m.g.co.nosp@m.m)

Copyright 2019-2026(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Macro Definition Documentation

IIOD_CONN_BUFFER_SIZE

#define IIOD_CONN_BUFFER_SIZE   0x1000

IIOD_PORT

#define IIOD_PORT   30431

MAX_SOCKET_TO_HANDLE

#define MAX_SOCKET_TO_HANDLE   10

NO_OS_STRINGIFY

#define NO_OS_STRINGIFY

(

x

)

Value:

#x

NO_OS_TOSTRING

#define NO_OS_TOSTRING

(

x

)

Value:

NO_OS_STRINGIFY(x)

NO_TRIGGER

#define NO_TRIGGER   (uint32_t)-1

REG_ACCESS_ATTRIBUTE

#define REG_ACCESS_ATTRIBUTE   "direct_reg_access"

Function Documentation

iio_buffer_block_done()

int iio_buffer_block_done

(

struct iio_buffer *

buffer

)

iio_buffer_get_block()

int iio_buffer_get_block	(	struct iio_buffer *	buffer,
		void **	addr )

iio_buffer_pop_scan()

int iio_buffer_pop_scan	(	struct iio_buffer *	buffer,
		void *	data )

iio_buffer_push_scan()

int iio_buffer_push_scan	(	struct iio_buffer *	buffer,
		void *	data )

iio_format_value()

int iio_format_value	(	char *	buf,
		uint32_t	len,
		enum iio_val	fmt,
		int32_t	size,
		int32_t *	vals )

iio_init()

int iio_init	(	struct iio_desc **	desc,
		struct iio_init_param *	init_param )

Set communication ops and read/write ops.

Parameters

desc	- iio descriptor.
init_param	- appropriate init param.

Returns

0 in case of success or negative value otherwise.

iio_parse_value()

int32_t iio_parse_value	(	char *	buf,
		enum iio_val	fmt,
		int32_t *	val,
		int32_t *	val2 )

iio_process_trigger_type()

int iio_process_trigger_type	(	struct iio_desc *	desc,
		char *	trigger_name )

Searches for trigger name and processes the trigger based on its type (sync or async with the interrupt).

Parameters

desc	- IIO descriptor.
trigger_name	- Trigger name.

Returns

ret - Result of the processing procedure.

iio_remove()

int iio_remove

(

struct iio_desc *

desc

)

Free the resources allocated by "iio_init()".

Parameters

desc	iio descriptor.

Returns

0 in case of success or negative value otherwise.

iio_step()

int iio_step

(

struct iio_desc *

desc

)

Execute an iio step.

Parameters

desc	- IIo descriptor

Returns

0 in case of success or negative value otherwise.