iio_trigger_example.c File Reference

Implementation of IIO trigger example for AD74413R project. More...

#include "common_data.h"
#include "iio_app.h"
#include "iio_ad74413r.h"
#include "no_os_util.h"
#include "parameters.h"
#include "iio_trigger.h"

Include dependency graph for iio_trigger_example.c:

Macros
#define	DATA_BUFFER_SIZE   400
#define	AD74413R_GPIO_TRIG_NAME   "ad74413r-dev0"

Functions
int	example_main ()
	Basic example main executiont.

Variables
uint8_t	iio_data_buffer [DATA_BUFFER_SIZE *8 *sizeof(uint32_t)]
struct iio_trigger	ad74413r_iio_trig_desc
struct iio_hw_trig_init_param	ad74413r_gpio_trig_ip
struct no_os_irq_init_param	ad74413r_gpio_irq_ip
const struct iio_hw_trig_cb_info	gpio_cb_info

Detailed Description

Implementation of IIO trigger example for AD74413R project.

Author

Ciprian Regus (cipri.nosp@m.an.r.nosp@m.egus@.nosp@m.anal.nosp@m.og.co.nosp@m.m)

Copyright 2022(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Macro Definition Documentation

AD74413R_GPIO_TRIG_NAME

#define AD74413R_GPIO_TRIG_NAME   "ad74413r-dev0"

DATA_BUFFER_SIZE

#define DATA_BUFFER_SIZE   400

Function Documentation

example_main()

int example_main

(

void

)

Basic example main executiont.

Basic example main execution.

Returns

ret - Result of the example execution. If working correctly, will execute continuously the while(1) loop and will not return.

Basic example main executiont.

• 50 ADC readings with delay.
• Threshold event (non-blocking).

  Returns

  ret - Result of the example execution. If working correctly, will execute continuously the while(1) loop and will not return.

  Basic example main executiont.

Returns

ret - Result of the example execution. If working correctly, will execute print the sample data.

Basic example main executiont.

Returns

ret - Result of the example execution. If working correctly, will execute continuously the while(1) loop and will not return.

Basic example main executiont.

Returns

ret - 0 on success.

Basic example main executiont.

Returns

ret - Result of the example execution. If working correctly, will execute continuously function iio_app_run and will not return.

Basic example main executiont.

Returns

ret - Result of the example execution. If working correctly, will execute continuously the iio_app_run and will not return.

IIO descriptor and initialization parameter.

IIO app.

Declaring iio_devices structure

Initializing IIO app init param.

Initializing IIO app.

Running the IIO app (use iio_info or osc in terminal).

Set the threshold voltage to 5V

The comparator output will be available on the GPO_A pin

Set the DAC output on channel C to 5V

Measure input current on channel D

Variable Documentation

ad74413r_gpio_irq_ip

struct no_os_irq_init_param ad74413r_gpio_irq_ip

Initial value:

= {
    .irq_ctrl_id = GPIO_IRQ_ID,
    .platform_ops = GPIO_IRQ_OPS,
    .extra = GPIO_IRQ_EXTRA,
}

ad74413r_gpio_trig_ip

struct iio_hw_trig_init_param ad74413r_gpio_trig_ip

Initial value:

= {
    .irq_id = AD74413R_GPIO_TRIG_IRQ_ID,
    .irq_trig_lvl = NO_OS_IRQ_EDGE_RISING,
    .cb_info = gpio_cb_info,
    .name = AD74413R_GPIO_TRIG_NAME,
}

ad74413r_iio_trig_desc

struct iio_trigger ad74413r_iio_trig_desc

Initial value:

= {
    .is_synchronous = true,
    .enable = iio_trig_enable,
    .disable = iio_trig_disable
}

gpio_cb_info

const struct iio_hw_trig_cb_info gpio_cb_info

Initial value:

= {
    .event = NO_OS_EVT_GPIO,
    .peripheral = NO_OS_GPIO_IRQ,
    .handle = AD74413R_GPIO_CB_HANDLE,
}

iio_data_buffer

uint8_t iio_data_buffer[DATA_BUFFER_SIZE *8 *sizeof(uint32_t)]