Header file of MAX14916 Driver. More...

#include <stdint.h>
#include <stdbool.h>
#include "max149x6-base.h"
#include "no_os_gpio.h"
#include "no_os_spi.h"
#include "no_os_util.h"

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Go to the source code of this file.

Macros
#define	MAX14916_CHANNELS 8

#define	MAX14916_SETOUT_REG 0x0

#define	MAX14916_SET_FLED_REG 0x1

#define	MAX14916_SET_SLED_REG 0x2

#define	MAX14916_INT_REG 0x3

#define	MAX14916_OVR_LD_REG 0x4

#define	MAX14916_CURR_LIM_REG 0x5

#define	MAX14916_OW_OFF_FAULT_REG 0x6

#define	MAX14916_OW_ON_FAULT_REG 0x7

#define	MAX14916_SHD_VDD_FAULT_REG 0x8

#define	MAX14916_GLOB_ERR_REG 0x9

#define	MAX14916_OW_OFF_EN_REG 0xA

#define	MAX14916_OW_ON_EN_REG 0xB

#define	MAX14916_SHD_VDD_EN_REG 0xC

#define	MAX14916_CONFIG1_REG 0xD

#define	MAX14916_CONFIG2_REG 0xE

#define	MAX14916_MASK_REG 0xF

#define	MAX14916_SETOUT_MASK(x) NO_OS_BIT(x)

#define	MAX14916_SLED_CH_MASK(x) NO_OS_BIT(x)

#define	MAX14916_SLED_MASK NO_OS_BIT(1)

#define	MAX14916_FLED_MASK NO_OS_BIT(0)

#define	MAX14916_FLED_STRETCH_MASK NO_OS_GENMASK(2, 1)

#define	MAX14916_WD_MASK NO_OS_GENMASK(7, 6)

#define	MAX14916_OW_OFF_CS_MASK NO_OS_GENMASK(5, 4)

#define	MAX14916_SHT_VDD_THR_MASK NO_OS_GENMASK(3, 2)

Enumerations
enum	max14916_fled_time { MAX14916_FLED_TIME_DISABLED, MAX14916_FLED_TIME_1S, MAX14916_FLED_TIME_2S, MAX14916_FLED_TIME_3S }

enum	max14916_sled_state { MAX14916_SLED_OFF, MAX14916_SLED_ON }

enum	max14916_wd { MAX14916_WD_DISABLED, MAX14916_WD_200MS, MAX14916_WD_600MS, MAX14916_WD_1200MS }

enum	max14916_ow_off_cs { MAX14916_OW_OFF_CS_20UA, MAX14916_OW_OFF_CS_100UA, MAX14916_OW_OFF_CS_300UA, MAX14916_OW_OFF_CS_600UA }

enum	max14916_sht_vdd_thr { MAX14916_SHT_VDD_THR_9V, MAX14916_SHT_VDD_THR_10V, MAX14916_SHT_VDD_THR_12V, MAX14916_SHT_VDD_THR_14V }

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

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

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

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

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

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

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

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

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

Detailed Description

Header 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.
The use of this software may or may not infringe the patent rights of one or more patent holders. This license does not release you from the requirement that you obtain separate licenses from these patent holders to use this software.
Use of the software either in source or binary form, must be run on or directly connected to an Analog Devices Inc. component.

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.

Macro Definition Documentation

◆ MAX14916_CHANNELS

#define MAX14916_CHANNELS 8

◆ MAX14916_CONFIG1_REG

#define MAX14916_CONFIG1_REG 0xD

◆ MAX14916_CONFIG2_REG

#define MAX14916_CONFIG2_REG 0xE

◆ MAX14916_CURR_LIM_REG

#define MAX14916_CURR_LIM_REG 0x5

◆ MAX14916_FLED_MASK

#define MAX14916_FLED_MASK NO_OS_BIT(0)

◆ MAX14916_FLED_STRETCH_MASK

#define MAX14916_FLED_STRETCH_MASK NO_OS_GENMASK(2, 1)

◆ MAX14916_GLOB_ERR_REG

#define MAX14916_GLOB_ERR_REG 0x9

◆ MAX14916_INT_REG

#define MAX14916_INT_REG 0x3

◆ MAX14916_MASK_REG

#define MAX14916_MASK_REG 0xF

◆ MAX14916_OVR_LD_REG

#define MAX14916_OVR_LD_REG 0x4

◆ MAX14916_OW_OFF_CS_MASK

#define MAX14916_OW_OFF_CS_MASK NO_OS_GENMASK(5, 4)

◆ MAX14916_OW_OFF_EN_REG

#define MAX14916_OW_OFF_EN_REG 0xA

◆ MAX14916_OW_OFF_FAULT_REG

#define MAX14916_OW_OFF_FAULT_REG 0x6

◆ MAX14916_OW_ON_EN_REG

#define MAX14916_OW_ON_EN_REG 0xB

◆ MAX14916_OW_ON_FAULT_REG

#define MAX14916_OW_ON_FAULT_REG 0x7

◆ MAX14916_SET_FLED_REG

#define MAX14916_SET_FLED_REG 0x1

◆ MAX14916_SET_SLED_REG

#define MAX14916_SET_SLED_REG 0x2

◆ MAX14916_SETOUT_MASK

#define MAX14916_SETOUT_MASK ( x ) NO_OS_BIT(x)

◆ MAX14916_SETOUT_REG

#define MAX14916_SETOUT_REG 0x0

◆ MAX14916_SHD_VDD_EN_REG

#define MAX14916_SHD_VDD_EN_REG 0xC

◆ MAX14916_SHD_VDD_FAULT_REG

#define MAX14916_SHD_VDD_FAULT_REG 0x8

◆ MAX14916_SHT_VDD_THR_MASK

#define MAX14916_SHT_VDD_THR_MASK NO_OS_GENMASK(3, 2)

◆ MAX14916_SLED_CH_MASK

#define MAX14916_SLED_CH_MASK ( x ) NO_OS_BIT(x)

◆ MAX14916_SLED_MASK

#define MAX14916_SLED_MASK NO_OS_BIT(1)

◆ MAX14916_WD_MASK

#define MAX14916_WD_MASK NO_OS_GENMASK(7, 6)

Enumeration Type Documentation

◆ max14916_fled_time

enum max14916_fled_time

Enumerator
MAX14916_FLED_TIME_DISABLED
MAX14916_FLED_TIME_1S
MAX14916_FLED_TIME_2S
MAX14916_FLED_TIME_3S

◆ max14916_ow_off_cs

enum max14916_ow_off_cs

Enumerator
MAX14916_OW_OFF_CS_20UA
MAX14916_OW_OFF_CS_100UA
MAX14916_OW_OFF_CS_300UA
MAX14916_OW_OFF_CS_600UA

◆ max14916_sht_vdd_thr

enum max14916_sht_vdd_thr

Enumerator
MAX14916_SHT_VDD_THR_9V
MAX14916_SHT_VDD_THR_10V
MAX14916_SHT_VDD_THR_12V
MAX14916_SHT_VDD_THR_14V

◆ max14916_sled_state

enum max14916_sled_state

Enumerator
MAX14916_SLED_OFF
MAX14916_SLED_ON

◆ max14916_wd

enum max14916_wd

Enumerator
MAX14916_WD_DISABLED
MAX14916_WD_200MS
MAX14916_WD_600MS
MAX14916_WD_1200MS

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.

Read the state of a channel

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).

Set the state of a channel

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.

Set minimum on-time for the fault LEDs.

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.

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.

Set current magnitude for the MAX14916 device current source.

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.

Set threshold for short to vdd for the MAX14916 device.

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.

Set watchdog timeout for the MAX14916 device.

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.

Set SLED to on/off

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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Macros

Enumerations

Functions

Detailed Description

Macro Definition Documentation

◆ MAX14916_CHANNELS

◆ MAX14916_CONFIG1_REG

◆ MAX14916_CONFIG2_REG

◆ MAX14916_CURR_LIM_REG

◆ MAX14916_FLED_MASK

◆ MAX14916_FLED_STRETCH_MASK

◆ MAX14916_GLOB_ERR_REG

◆ MAX14916_INT_REG

◆ MAX14916_MASK_REG

◆ MAX14916_OVR_LD_REG

◆ MAX14916_OW_OFF_CS_MASK

◆ MAX14916_OW_OFF_EN_REG

◆ MAX14916_OW_OFF_FAULT_REG

◆ MAX14916_OW_ON_EN_REG

◆ MAX14916_OW_ON_FAULT_REG

◆ MAX14916_SET_FLED_REG

◆ MAX14916_SET_SLED_REG

◆ MAX14916_SETOUT_MASK

◆ MAX14916_SETOUT_REG

◆ MAX14916_SHD_VDD_EN_REG

◆ MAX14916_SHD_VDD_FAULT_REG

◆ MAX14916_SHT_VDD_THR_MASK

◆ MAX14916_SLED_CH_MASK

◆ MAX14916_SLED_MASK

◆ MAX14916_WD_MASK

Enumeration Type Documentation

◆ max14916_fled_time

◆ max14916_ow_off_cs

◆ max14916_sht_vdd_thr

◆ max14916_sled_state

◆ max14916_wd

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()