no-OS
Functions
iio_trigger.c File Reference

Implementation of generic iio trigger. More...

#include <stdlib.h>
#include <string.h>
#include "no_os_error.h"
#include "iio.h"
#include "iio_trigger.h"
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Functions

int iio_hw_trig_init (struct iio_hw_trig **iio_trig, struct iio_hw_trig_init_param *init_param)
 Initialize hardware trigger. More...
 
int iio_trig_enable (void *trig)
 Enable system interrupt which is linked to the given trigger. More...
 
int iio_trig_disable (void *trig)
 Disable system interrupt which is linked to the given trigger. More...
 
void iio_hw_trig_handler (void *trig)
 Trigger interrupt handler. This function will be called when a system interrupt is asserted for the configured trigger. More...
 
int iio_hw_trig_remove (struct iio_hw_trig *trig)
 Free the resources allocated by iio_hw_trig_init(). More...
 
int iio_sw_trig_init (struct iio_sw_trig **iio_trig, struct iio_sw_trig_init_param *init_param)
 Initialize software trigger. More...
 
int iio_sw_trig_handler (void *trig, char *buf, uint32_t len, const struct iio_ch_info *channel, intptr_t priv)
 Handles the write request for trigger_now attribute. More...
 
int iio_sw_trig_remove (struct iio_sw_trig *trig)
 Free the resources allocated by iio_sw_trig_init(). More...
 

Detailed Description

Implementation of generic iio trigger.

Author
RBolboac (ramon.nosp@m.a.bo.nosp@m.lboac.nosp@m.a@an.nosp@m.alog..nosp@m.com)

Copyright 2022(c) Analog Devices, Inc.

All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Function Documentation

◆ iio_hw_trig_handler()

void iio_hw_trig_handler ( void *  trig)

Trigger interrupt handler. This function will be called when a system interrupt is asserted for the configured trigger.

Parameters
trig- Trigger structure which is linked to this handler.
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◆ iio_hw_trig_init()

int iio_hw_trig_init ( struct iio_hw_trig **  iio_trig,
struct iio_hw_trig_init_param init_param 
)

Initialize hardware trigger.

Parameters
iio_trig- The iio trigger structure.
init_param- The structure that contains the trigger initial params.
Returns
ret - Result of the initialization procedure.
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◆ iio_hw_trig_remove()

int iio_hw_trig_remove ( struct iio_hw_trig trig)

Free the resources allocated by iio_hw_trig_init().

Parameters
trig- The trigger structure.
Returns
ret - Result of the remove procedure.

◆ iio_sw_trig_handler()

int iio_sw_trig_handler ( void *  trig,
char *  buf,
uint32_t  len,
const struct iio_ch_info channel,
intptr_t  priv 
)

Handles the write request for trigger_now attribute.

Parameters
trig- The iio trigger structure.
buf- Command buffer to be filled with the data to be written.
len- Length of the received command buffer in bytes.
channel- Command channel info (is NULL).
priv- Command attribute id.
Returns
ret - Result of the sw trigger handler procedure.

◆ iio_sw_trig_init()

int iio_sw_trig_init ( struct iio_sw_trig **  iio_trig,
struct iio_sw_trig_init_param init_param 
)

Initialize software trigger.

Parameters
iio_trig- The iio trigger structure.
init_param- The structure that contains the sw trigger initial params.
Returns
ret - Result of the initialization procedure.

◆ iio_sw_trig_remove()

int iio_sw_trig_remove ( struct iio_sw_trig trig)

Free the resources allocated by iio_sw_trig_init().

Parameters
trig- The trigger structure.
Returns
ret - Result of the remove procedure.

◆ iio_trig_disable()

int iio_trig_disable ( void *  trig)

Disable system interrupt which is linked to the given trigger.

Parameters
trig- Trigger structure.
Returns
ret - Result of the disable procedure.

◆ iio_trig_enable()

int iio_trig_enable ( void *  trig)

Enable system interrupt which is linked to the given trigger.

Parameters
trig- Trigger structure.
Returns
ret - Result of the enable procedure.