ad5754r_iio.c File Reference

Implementation of AD5754R IIO application interfaces. More...

#include <stdlib.h>
#include <string.h>
#include "app_config.h"
#include "ad5754r_iio.h"
#include "ad5754r_user_config.h"
#include "cn0586_support.h"
#include "common.h"
#include "no_os_error.h"
#include "no_os_util.h"
#include "no_os_delay.h"
#include "no_os_gpio.h"
#include "no_os_pwm.h"
#include "no_os_alloc.h"
#include "iio_trigger.h"

Include dependency graph for ad5754r_iio.c:

Macros
#define	AD5754R_IIO_TRIGGER_NAME   "ad5754r_iio_trigger"
#define	AD5754R_CHN_ATTR(_name, _priv)
#define	AD5754R_CHN_AVAIL_ATTR(_name, _priv)
#define	CN0586_CHN_ATTR(_name, _priv)
#define	CN0586_CHN_AVAIL_ATTR(_name, _priv)
#define	AD5754R_DAC_CH(_name, _idx)
#define	NUM_OF_IIO_DEVICES   2
#define	BYTES_PER_SAMPLE   sizeof(uint16_t)
#define	CHN_STORAGE_BITS   (BYTES_PER_SAMPLE * 8)
#define	BYTE_SIZE   (uint32_t)8
#define	BYTE_MASK   (uint32_t)0xff
#define	DATA_BUFFER_SIZE   (32768)
#define	AD5754R_ATTRS_OFFSET   6

Enumerations
enum	ad5754r_attribute_ids {   HVOUT_STATE ,   HVOUT_RANGE ,   HVOUT_VOLTS ,   DAC_CH_RAW ,   DAC_CH_REG ,   DAC_CH_SCALE ,   DAC_CH_OFFSET ,   DAC_CH_POWERUP ,   DAC_CH_RANGE ,   DAC_INT_REF_POWERUP ,   DAC_CLEAR_SETTING ,   DAC_SDO_DIS ,   DAC_UPDATE_RATE ,   DAC_CLAMP_EN ,   DAC_TSD_EN ,   DAC_OC_TSD ,   DAC_ALL_CH_CLR ,   DAC_SW_LDAC ,   DAC_HW_LDAC }

Functions
int	ad5754r_reconfig_ldac (struct ad5754r_dev *device)
	Reconfigure LDAC pin as GPIO output. More...
int32_t	ad5754r_iio_init (void)
	Initialize the IIO interface for AD5754R IIO device. More...
void	ad5754r_iio_event_handler (void)
	Run the AD5754r IIO event handler. More...

Variables
struct cn0586_dev *	cn0586_dev_inst = NULL
struct ad5754r_dev *	ad5754r_dev_inst = NULL
struct scan_type	iio_ad5754r_scan_type

Detailed Description

Implementation of AD5754R IIO application interfaces.

Copyright (c) 2024 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

AD5754R_ATTRS_OFFSET

#define AD5754R_ATTRS_OFFSET   6

AD5754R_CHN_ATTR

#define AD5754R_CHN_ATTR	(		_name,
			_priv
	)

Value:

    {\
    .name = _name,\
    .priv = _priv,\
    .show = ad5754r_iio_attr_get,\
    .store = ad5754r_iio_attr_set\
}

AD5754R_CHN_AVAIL_ATTR

#define AD5754R_CHN_AVAIL_ATTR	(		_name,
			_priv
	)

Value:

    {\
    .name = _name,\
    .priv = _priv,\
    .show = ad5754r_iio_attr_available_get,\
    .store = ad5754r_iio_attr_available_set\
}

AD5754R_DAC_CH

#define AD5754R_DAC_CH	(		_name,
			_idx
	)

Value:

    {\
    .name = _name # _idx, \
    .ch_type = IIO_VOLTAGE,\
    .ch_out = 1,\
    .indexed = true,\
    .channel = _idx,\
    .scan_index = _idx,\
    .scan_type = &iio_ad5754r_scan_type,\
    .attributes = iio_ad5754r_dac_ch_attributes\
}

AD5754R_IIO_TRIGGER_NAME

#define AD5754R_IIO_TRIGGER_NAME   "ad5754r_iio_trigger"

BYTE_MASK

#define BYTE_MASK   (uint32_t)0xff

BYTE_SIZE

#define BYTE_SIZE   (uint32_t)8

BYTES_PER_SAMPLE

#define BYTES_PER_SAMPLE   sizeof(uint16_t)

CHN_STORAGE_BITS

#define CHN_STORAGE_BITS   (BYTES_PER_SAMPLE * 8)

CN0586_CHN_ATTR

#define CN0586_CHN_ATTR	(		_name,
			_priv
	)

Value:

    {\
    .name = _name,\
    .priv = _priv,\
    .show = ad5754r_iio_attr_get,\
    .store = ad5754r_iio_attr_set\
}

CN0586_CHN_AVAIL_ATTR

#define CN0586_CHN_AVAIL_ATTR	(		_name,
			_priv
	)

Value:

    {\
    .name = _name,\
    .priv = _priv,\
    .show = ad5754r_iio_attr_available_get,\
    .store = ad5754r_iio_attr_available_set\
}

DATA_BUFFER_SIZE

#define DATA_BUFFER_SIZE   (32768)

NUM_OF_IIO_DEVICES

#define NUM_OF_IIO_DEVICES   2

Enumeration Type Documentation

ad5754r_attribute_ids

enum ad5754r_attribute_ids

Enumerator
HVOUT_STATE
HVOUT_RANGE
HVOUT_VOLTS
DAC_CH_RAW
DAC_CH_REG
DAC_CH_SCALE
DAC_CH_OFFSET
DAC_CH_POWERUP
DAC_CH_RANGE
DAC_INT_REF_POWERUP
DAC_CLEAR_SETTING
DAC_SDO_DIS
DAC_UPDATE_RATE
DAC_CLAMP_EN
DAC_TSD_EN
DAC_OC_TSD
DAC_ALL_CH_CLR
DAC_SW_LDAC
DAC_HW_LDAC

Function Documentation

ad5754r_iio_event_handler()

void ad5754r_iio_event_handler

(

void

)

Run the AD5754r IIO event handler.

Returns

none.

This function monitors the new IIO client event.

Here is the caller graph for this function:

ad5754r_iio_init()

int32_t ad5754r_iio_init

(

void

)

Initialize the IIO interface for AD5754R IIO device.

Returns

0 in case of success, negative error code otherwise.

Here is the caller graph for this function:

ad5754r_reconfig_ldac()

int ad5754r_reconfig_ldac

(

struct ad5754r_dev *

device

)

Reconfigure LDAC pin as GPIO output.

Parameters

device[in]

- AD5754R device instance

Returns

0 in case of success, negative error code otherwise

Variable Documentation

ad5754r_dev_inst

struct ad5754r_dev* ad5754r_dev_inst = NULL

cn0586_dev_inst

struct cn0586_dev* cn0586_dev_inst = NULL

iio_ad5754r_scan_type

struct scan_type iio_ad5754r_scan_type

Initial value:

= {
    .sign = 'u',
    .realbits = AD5754R_MAX_RESOLUTION,
    .storagebits = CHN_STORAGE_BITS,
    .shift = 0,
    .is_big_endian = false
}