AD738x IIO application interface module. More...

#include <stdbool.h>
#include <string.h>
#include <stdio.h>
#include "app_config.h"
#include "ad738x_iio.h"
#include "ad738x_user_config.h"
#include "common.h"
#include "iio.h"
#include "iio_types.h"
#include "iio_trigger.h"
#include "no_os_error.h"
#include "no_os_delay.h"

Include dependency graph for ad738x_iio.c:

Macros
#define	AD738X_CHN_ATTR(_name, _priv)

#define	AD738X_CH(_name, _idx, _type)

#define	NUM_OF_IIO_DEVICES 1

#define	BYTES_PER_SAMPLE 2

#define	CHN_STORAGE_BITS (BYTES_PER_SAMPLE * 8)

#define	AD738X_MIN_SAMPLING_FREQ (100 / ADC_CHANNELS)

#define	AD738X_DEF_IIO_SCALE (ADC_REF_VOLTAGE / ADC_MAX_COUNT_BIPOLAR) * 1000

#define	AD738X_IIO_TRIGGER_NAME "ad738x_iio_trigger"

#define	DATA_BUFFER_SIZE (32768)

Enumerations
enum	ad738x_attribute_id { RAW_ATTR_ID , SCALE_ATTR_ID , OFFSET_ATTR_ID , SAMPLING_FREQ_ATTR_ID }

Functions
int32_t	ad738x_trigger_handler (struct iio_device_data *iio_dev_data)
	Push data into IIO buffer when trigger handler IRQ is invoked. More...

int32_t	ad738x_iio_initialize (void)
	Initialize the IIO interface for AD738x IIO device. More...

void	ad738x_iio_event_handler (void)
	Run the AD738x IIO event handler. More...

Variables
struct ad738x_dev *	ad738x_dev_inst = NULL

Detailed Description

AD738x IIO application interface module.

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

◆ AD738X_CH

#define AD738X_CH	(	_name,
		_idx,
		_type
	)

Value:

    {\
    .name = _name, \
    .ch_type = _type,\
    .ch_out = false,\
    .indexed = true,\
    .channel = _idx,\
    .scan_index = _idx,\
    .scan_type = &chn_scan,\
    .attributes = ad738x_iio_ch_attributes\
}

◆ AD738X_CHN_ATTR

#define AD738X_CHN_ATTR	(	_name,
		_priv
	)

Value:

    {\
    .name = _name,\
    .priv = _priv,\
    .show = iio_ad738x_attr_get,\
    .store = iio_ad738x_attr_set\
}

◆ AD738X_DEF_IIO_SCALE

#define AD738X_DEF_IIO_SCALE (ADC_REF_VOLTAGE / ADC_MAX_COUNT_BIPOLAR) * 1000

◆ AD738X_IIO_TRIGGER_NAME

#define AD738X_IIO_TRIGGER_NAME "ad738x_iio_trigger"

◆ AD738X_MIN_SAMPLING_FREQ

#define AD738X_MIN_SAMPLING_FREQ (100 / ADC_CHANNELS)

◆ BYTES_PER_SAMPLE

#define BYTES_PER_SAMPLE 2

◆ CHN_STORAGE_BITS

#define CHN_STORAGE_BITS (BYTES_PER_SAMPLE * 8)

◆ DATA_BUFFER_SIZE

#define DATA_BUFFER_SIZE (32768)

◆ NUM_OF_IIO_DEVICES

#define NUM_OF_IIO_DEVICES 1

Enumeration Type Documentation

◆ ad738x_attribute_id

enum ad738x_attribute_id

Enumerator
RAW_ATTR_ID
SCALE_ATTR_ID
OFFSET_ATTR_ID
SAMPLING_FREQ_ATTR_ID

Function Documentation

◆ ad738x_iio_event_handler()

void ad738x_iio_event_handler ( void )

Run the AD738x IIO event handler.

Returns: none

This function monitors the new IIO client event

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◆ ad738x_iio_initialize()

int32_t ad738x_iio_initialize ( void )

Initialize the IIO interface for AD738x IIO device.

Returns: 0 in case of success, negative error code otherwise

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◆ ad738x_trigger_handler()

int32_t ad738x_trigger_handler ( struct iio_device_data * iio_dev_data )

Push data into IIO buffer when trigger handler IRQ is invoked.

Parameters

iio_dev_data[in] - IIO device data instance

Returns: 0 in case of success or negative value otherwise

Variable Documentation

◆ ad738x_dev_inst

struct ad738x_dev* ad738x_dev_inst = NULL

Macros

Enumerations

Functions

Variables