ad717x_iio.c File Reference

Source file for the AD717x IIO Application. More...

#include <stdio.h>
#include <string.h>
#include "ad717x_user_config.h"
#include "app_config.h"
#include "ad717x_iio.h"
#include "ad717x.h"
#include "iio.h"
#include "no_os_util.h"
#include "no_os_error.h"
#include "no_os_alloc.h"
#include "common.h"
#include "iio_trigger.h"
#include "ad717x_support.h"
#include "ad717x_system_config.h"
#include "version.h"

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Macros
#define	BYTES_PER_SAMPLE   sizeof(uint32_t)
#define	CHN_STORAGE_BITS   (BYTES_PER_SAMPLE * 8)
#define	AD717x_OW_DETECT_THRESHOLD_IN_MV   300
#define	AD717x_OW_DETECT_SE_CHN_A   0
#define	AD717x_OW_DETECT_SE_CHN_B   15
#define	AD717x_OW_DETECT_DIFF_CHN_A   1
#define	AD717x_OW_DETECT_DIFF_CHN_B   2
#define	AD717x_TEMP_SENSITIVITY   0.000477
#define	AD717x_ABSOLUTE_ZERO_IN_CELSIUS   273.15
#define	AD717x_DATA_BUFFER_SIZE   (8192)
#define	AD717x_SCAN
#define	AD717x_CHANNEL(_name, _priv)
#define	AD717x_CHANNEL_AVAIL(_name, _priv)
#define	IIO_AD411x_CHANNEL(_idx)
#define	IIO_AD717x_CHANNEL(_idx)
#define	DATA_BUFFER_SIZE   (32768)
#define	AD717X_IIO_TRIGGER_NAME   "ad717x_iio_trigger"
#define	NUM_OF_IIO_DEVICES   2
#define	AD717x_CONV_TIMEOUT   10000
#define	AD717x_OW_NUM_DIFF_OPTIONS   4

Enumerations
enum	ad717x_attribute_ids {   AD717x_RAW_ATTR_ID ,   AD717x_SCALE_ATTR_ID ,   AD717x_OFFSET_ATTR_ID ,   AD717x_ANALOG_INPUT_ID ,   AD717x_ANALOG_INPUT_P_ID ,   AD717x_ANALOG_INPUT_N_ID ,   AD717x_SAMPLING_FREQUENCY_ID ,   AD717x_OPEN_WIRE_ID ,   AD717x_STATUS_ATTR_ID ,   AD717x_TEMPERATURE_ATTR_ID ,   AD717x_CALIBRATE_ATTR_ID ,   AD717x_OPEN_WIRE_INPUT_ID }

Functions
int32_t	ad717x_trigger_cont_data_capture (void)
	Function to prepare the ADC for continuous capture.
int32_t	ad717x_stop_cont_data_capture (void)
	Function to stop continuous data capture.
int32_t	ad717x_trigger_handler (struct iio_device_data *iio_dev_data)
int32_t	iio_ad717x_init (struct iio_device **desc)
	Init for reading/writing and parameterization of a AD717x IIO device.
int32_t	iio_app_remove (void)
	Remove the IIO interface for AD717X IIO device.
int32_t	iio_app_initialize (void)
	Initialize the AD717x IIO Interface.
void	iio_app_event_handler (void)
	Run the AD717x IIO event handler.

Variables
int8_t	adc_data_buffer [DATA_BUFFER_SIZE]
ad717x_dev *	p_ad717x_dev_inst = NULL

Detailed Description

Source file for the AD717x IIO Application.

Copyright (c) 2021-23,2025-26 Analog Devices, Inc. All rights reserved.

This software is proprietary to Analog Devices, Inc. and its licensors. By using this software you agree to the terms of the associated Analog Devices Software License Agreement.

Macro Definition Documentation

AD717x_ABSOLUTE_ZERO_IN_CELSIUS

#define AD717x_ABSOLUTE_ZERO_IN_CELSIUS   273.15

AD717x_CHANNEL

#define AD717x_CHANNEL	(		_name,
			_priv
	)

Value:

    {\
    .name = _name,\
    .priv = _priv,\
    .show = get_adc_attribute,\
    .store = set_adc_attribute\
}

AD717x_CHANNEL_AVAIL

#define AD717x_CHANNEL_AVAIL	(		_name,
			_priv
	)

Value:

    {\
    .name = _name,\
    .priv = _priv,\
    .show = get_adc_available_attribute,\
    .store = set_adc_available_attribute\
}

AD717x_CONV_TIMEOUT

#define AD717x_CONV_TIMEOUT   10000

AD717x_DATA_BUFFER_SIZE

#define AD717x_DATA_BUFFER_SIZE   (8192)

AD717X_IIO_TRIGGER_NAME

#define AD717X_IIO_TRIGGER_NAME   "ad717x_iio_trigger"

AD717x_OW_DETECT_DIFF_CHN_A

#define AD717x_OW_DETECT_DIFF_CHN_A   1

AD717x_OW_DETECT_DIFF_CHN_B

#define AD717x_OW_DETECT_DIFF_CHN_B   2

AD717x_OW_DETECT_SE_CHN_A

#define AD717x_OW_DETECT_SE_CHN_A   0

AD717x_OW_DETECT_SE_CHN_B

#define AD717x_OW_DETECT_SE_CHN_B   15

AD717x_OW_DETECT_THRESHOLD_IN_MV

#define AD717x_OW_DETECT_THRESHOLD_IN_MV   300

AD717x_OW_NUM_DIFF_OPTIONS

#define AD717x_OW_NUM_DIFF_OPTIONS   4

AD717x_SCAN

#define AD717x_SCAN

Value:

    {\
    .sign = 'u',\
    .storagebits = CHN_STORAGE_BITS,\
    .shift = 0,\
    .is_big_endian = false\
}

AD717x_TEMP_SENSITIVITY

#define AD717x_TEMP_SENSITIVITY   0.000477

BYTES_PER_SAMPLE

#define BYTES_PER_SAMPLE   sizeof(uint32_t)

CHN_STORAGE_BITS

#define CHN_STORAGE_BITS   (BYTES_PER_SAMPLE * 8)

DATA_BUFFER_SIZE

#define DATA_BUFFER_SIZE   (32768)

IIO_AD411x_CHANNEL

#define IIO_AD411x_CHANNEL

(

_idx

)

Value:

    {\
    .name = "ch" # _idx,\
    .ch_type = IIO_VOLTAGE,\
    .channel = _idx,\
    .scan_index = _idx,\
    .indexed = true,\
    .scan_type = &ad717x_scan_type[_idx],\
    .ch_out = false,\
    .attributes = ad411x_channel_attributes,\
}

IIO_AD717x_CHANNEL

#define IIO_AD717x_CHANNEL

(

_idx

)

Value:

    {\
    .name = "ch" # _idx,\
    .ch_type = IIO_VOLTAGE,\
    .channel = _idx,\
    .scan_index = _idx,\
    .indexed = true,\
    .scan_type = &ad717x_scan_type[_idx],\
    .ch_out = false,\
    .attributes = ad717x_channel_attributes,\
}

NUM_OF_IIO_DEVICES

#define NUM_OF_IIO_DEVICES   2

Enumeration Type Documentation

ad717x_attribute_ids

enum ad717x_attribute_ids

Enumerator
AD717x_RAW_ATTR_ID
AD717x_SCALE_ATTR_ID
AD717x_OFFSET_ATTR_ID
AD717x_ANALOG_INPUT_ID
AD717x_ANALOG_INPUT_P_ID
AD717x_ANALOG_INPUT_N_ID
AD717x_SAMPLING_FREQUENCY_ID
AD717x_OPEN_WIRE_ID
AD717x_STATUS_ATTR_ID
AD717x_TEMPERATURE_ATTR_ID
AD717x_CALIBRATE_ATTR_ID
AD717x_OPEN_WIRE_INPUT_ID

Function Documentation

ad717x_stop_cont_data_capture()

int32_t ad717x_stop_cont_data_capture

(

void

)

Function to stop continuous data capture.

Returns

0 in case of success, negative error code otherwise

ad717x_trigger_cont_data_capture()

int32_t ad717x_trigger_cont_data_capture

(

void

)

Function to prepare the ADC for continuous capture.

Returns

0 in case of success, negative error code otherwise

ad717x_trigger_handler()

int32_t ad717x_trigger_handler

(

struct iio_device_data *

iio_dev_data

)

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iio_ad717x_init()

int32_t iio_ad717x_init

(

struct iio_device **

desc

)

Init for reading/writing and parameterization of a AD717x IIO device.

Parameters

desc[in,out]

IIO device descriptor

Returns

0 in case of success, negative error code otherwise

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iio_app_event_handler()

void iio_app_event_handler

(

void

)

Run the AD717x IIO event handler.

Run the AD3530R IIO event handler.

Returns

None

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iio_app_initialize()

int32_t iio_app_initialize

(

void

)

Initialize the AD717x IIO Interface.

Initialize the IIO interface for AD3530R IIO device.

Returns

0 in case of success, negative error code otherwise

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iio_app_remove()

int32_t iio_app_remove

(

void

)

Remove the IIO interface for AD717X IIO device.

Returns

0 in case of success,negative error code otherwise

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Variable Documentation

adc_data_buffer

int8_t adc_data_buffer[DATA_BUFFER_SIZE]

p_ad717x_dev_inst

ad717x_dev* p_ad717x_dev_inst = NULL