Source file of MAX14916 Driver. More...

#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "max14916.h"
#include "no_os_util.h"
#include "no_os_alloc.h"

Include dependency graph for max14916.c:

Functions
int	max14916_ch_get (struct max149x6_desc desc, uint32_t ch, uint32_t val)
	Read the high-side state of a channel's switch. More...

int	max14916_ch_set (struct max149x6_desc *desc, uint32_t ch, uint32_t val)
	Write the (logic) state of a channel (on/off). More...

int	max14916_sled_set (struct max149x6_desc *desc, uint32_t ch, enum max14916_sled_state state)
	Read an output channel's current limit. More...

int	max14916_fled_time_set (struct max149x6_desc *desc, enum max14916_fled_time fled_time)
	Set FLEDs minimum on-time to requested value. More...

int	max14916_set_wd (struct max149x6_desc *desc, enum max14916_wd wd)
	Set watchdog timeout in the config2 register. More...

int	max14916_set_ow_off (struct max149x6_desc *desc, enum max14916_ow_off_cs ow_off_cs)
	Set current magnitude for the ow off in the config2 register. More...

int	max14916_set_sht_vdd_thr (struct max149x6_desc *desc, enum max14916_sht_vdd_thr sht_vdd_thr)
	Set short to vdd threshold in the config2 register. More...

int	max14916_init (struct max149x6_desc *desc, struct max149x6_init_param param)
	Initialize and configure the MAX14916 device. More...

int	max14916_remove (struct max149x6_desc *desc)
	Free the resources allocated during init. More...

Detailed Description

Source file of MAX14916 Driver.

Author: Radu Sabau (radu..nosp@m.saba.nosp@m.u@ana.nosp@m.log..nosp@m.com)

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

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
Neither the name of Analog Devices, Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 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

◆ max14916_ch_get()

int max14916_ch_get	(	struct max149x6_desc *	desc,
		uint32_t	ch,
		uint32_t *	val
	)

Read the high-side state of a channel's switch.

Parameters

desc	- device descriptor for the MAX14916.
ch	- channel index (0 based).
val	- binary value representing a channel's high-side switc state.

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

◆ max14916_ch_set()

int max14916_ch_set	(	struct max149x6_desc *	desc,
		uint32_t	ch,
		uint32_t	val
	)

Write the (logic) state of a channel (on/off).

Parameters

desc	- device descriptor for the MAX14916.
ch	- channel index (0 based).
val	- binary value representing a channel's voltage level (0 or 1).

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

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◆ max14916_fled_time_set()

int max14916_fled_time_set	(	struct max149x6_desc *	desc,
		enum max14916_fled_time	fled_time
	)

Set FLEDs minimum on-time to requested value.

Parameters

desc	- device descriptor for the MAX14916.
fled_time	- minimum on-time for the FLEDs to be set.

Returns: 0 in case of succes, negative error code otherwise.

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◆ max14916_init()

int max14916_init	(	struct max149x6_desc **	desc,
		struct max149x6_init_param *	param
	)

Initialize and configure the MAX14916 device.

Parameters

desc	- device descriptor for the MAX14916 that will be initialized.
param	- initialization parameter for the device.

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

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◆ max14916_remove()

int max14916_remove ( struct max149x6_desc * desc )

Free the resources allocated during init.

Parameters

desc	- device descriptor for the MAX14916 that will be initialized.

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

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◆ max14916_set_ow_off()

int max14916_set_ow_off	(	struct max149x6_desc *	desc,
		enum max14916_ow_off_cs	ow_off_cs
	)

Set current magnitude for the ow off in the config2 register.

Parameters

desc	- device descriptor for the MAX14916.
ow_off_cs	- current magnitude to be set.

Returns: 0 in case of succes, negative error code otherwise.

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◆ max14916_set_sht_vdd_thr()

int max14916_set_sht_vdd_thr	(	struct max149x6_desc *	desc,
		enum max14916_sht_vdd_thr	sht_vdd_thr
	)

Set short to vdd threshold in the config2 register.

Parameters

desc	- device descriptor for the MAX14916.
sht_vdd_thr	- threshold to be set.

Returns: 0 in case of succes, negative error code otherwise.

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◆ max14916_set_wd()

int max14916_set_wd	(	struct max149x6_desc *	desc,
		enum max14916_wd	wd
	)

Set watchdog timeout in the config2 register.

Parameters

desc	- device descriptor for the MAX14916.
wd	- watchdog timer to be selected.

Returns: 0 in case of succes, negative error code otherwise.

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◆ max14916_sled_set()

int max14916_sled_set	(	struct max149x6_desc *	desc,
		uint32_t	ch,
		enum max14916_sled_state	state
	)

Read an output channel's current limit.

Parameters

desc	- device descriptor for the MAX14916.
ch	- channel index (0 based).
state	- status led state.

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

SLEDSet bit needs to be set to 1 in config1 register in order to change the SLED state.

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Functions

Detailed Description

Function Documentation

◆ max14916_ch_get()

◆ max14916_ch_set()

◆ max14916_fled_time_set()

◆ max14916_init()

◆ max14916_remove()

◆ max14916_set_ow_off()

◆ max14916_set_sht_vdd_thr()

◆ max14916_set_wd()

◆ max14916_sled_set()