Source file of MAX22190 Driver. More...

#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "max22190.h"
#include "no_os_util.h"
#include "no_os_alloc.h"

Include dependency graph for max22190.c:

Functions
int	max22190_filter_set (struct max22190_desc *desc, uint32_t ch, uint32_t clrf, uint32_t fbp, enum max22190_delay delay)
	Set filter delay, wite break detection and if the filter is used or bypassed. More...

int	max22190_filter_get (struct max22190_desc desc, uint32_t ch, uint32_t clrf, uint32_t fbp, enum max22190_delay delay)
	Get filter delay, wite break detection and if the filter is used or bypassed. More...

int	max22190_chan_state (struct max22190_desc *desc, uint32_t ch, enum max22190_ch_state state)
	Switch selected channel's state to disabled or enabled. More...

int	max22190_wbe_get (struct max22190_desc desc, uint32_t ch, bool enabled)
	Get Wire Break detection for requested channel. More...

int	max22190_wbe_set (struct max22190_desc *desc, uint32_t ch, bool enabled)
	Set Wire Break detection for requested channel. More...

int	max22190_fault_enable_get (struct max22190_desc desc, enum max22190_fault_enable fault_enable, bool enabled)
	Get fault enable from the fault registers. More...

int	max22190_fault_enable_set (struct max22190_desc *desc, enum max22190_fault_enable fault_enable, bool enabled)
	Set fault enable in the fault registers. More...

int	max22190_reg_read (struct max22190_desc desc, uint32_t addr, uint32_t val)
	Register read function for MAX22190. More...

int	max22190_reg_write (struct max22190_desc *desc, uint32_t addr, uint32_t val)
	Register write function for MAX22190. More...

int	max22190_reg_update (struct max22190_desc *desc, uint32_t addr, uint32_t mask, uint32_t val)
	Register update function for MAX22190. More...

int	max22190_init (struct max22190_desc *desc, struct max22190_init_param param)
	MAX22190 Initialization function. More...

int	max22190_remove (struct max22190_desc *desc)
	Free the resources allocated by initialization. More...

Detailed Description

Source file of MAX22190 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

◆ max22190_chan_state()

int max22190_chan_state	(	struct max22190_desc *	desc,
		uint32_t	ch,
		enum max22190_ch_state	state
	)

Switch selected channel's state to disabled or enabled.

Parameters

desc	- MAX22190 device descriptor.
ch	- Channel to disable/enable(0 based).
state	- The state requested.

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

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◆ max22190_fault_enable_get()

int max22190_fault_enable_get	(	struct max22190_desc *	desc,
		enum max22190_fault_enable	fault_enable,
		bool *	enabled
	)

Get fault enable from the fault registers.

Parameters

desc	- MAX22190 device descriptor
fault_enable	- Specific fault enable to read
enabled	- State of the selected enable (0 for disabled, 1 for enabled)

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

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◆ max22190_fault_enable_set()

int max22190_fault_enable_set	(	struct max22190_desc *	desc,
		enum max22190_fault_enable	fault_enable,
		bool	enabled
	)

Set fault enable in the fault registers.

Parameters

desc	- MAX22190 device descriptor
fault_enable	- Specific fault enable to write
enabled	- State of the selected enable (0 for disabled, 1 for enabled)

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

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◆ max22190_filter_get()

int max22190_filter_get	(	struct max22190_desc *	desc,
		uint32_t	ch,
		uint32_t *	clrf,
		uint32_t *	fbp,
		enum max22190_delay *	delay
	)

Get filter delay, wite break detection and if the filter is used or bypassed.

Parameters

desc	- MAX22190 device descriptor.
ch	- The channel to which the filter corresponds(0 based).
clrf	- Filter operation (0 - normal operation, 1 - filters fixed at mid -scale value for the chosen delay).
fbp	- Filter usage(used - 0, bypassed - 1).
delay	- Filter delay.

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

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◆ max22190_filter_set()

int max22190_filter_set	(	struct max22190_desc *	desc,
		uint32_t	ch,
		uint32_t	clrf,
		uint32_t	fbp,
		enum max22190_delay	delay
	)

Set filter delay, wite break detection and if the filter is used or bypassed.

Parameters

desc	- MAX22190 device descriptor.
ch	- The channel to which the filter corresponds(0 based).
clrf	- Filter operation (0 - normal operation, 1 - filters fixed at mid -scale value for the chosen delay).
fbp	- Filter usage(used - 0, bypassed - 1).
delay	- Filter delay.

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

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◆ max22190_init()

int max22190_init	(	struct max22190_desc **	desc,
		struct max22190_init_param *	param
	)

MAX22190 Initialization function.

Parameters

desc	- MAX22190 device descriptor.
param	- MAX22190 initalization parameter.

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

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◆ max22190_reg_read()

int max22190_reg_read	(	struct max22190_desc *	desc,
		uint32_t	addr,
		uint32_t *	val
	)

Register read function for MAX22190.

Parameters

desc	- MAX22190 device descriptor.
addr	- Register address from which data is read.
val	- The value received from the read operation.

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

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◆ max22190_reg_update()

int max22190_reg_update	(	struct max22190_desc *	desc,
		uint32_t	addr,
		uint32_t	mask,
		uint32_t	val
	)

Register update function for MAX22190.

Parameters

desc	- MAX22190 device descriptor.
addr	- Register valueto wich data is updated.
mask	- Corresponding mask to the data that will be updated.
val	- Updated value to be written in the register at update.

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

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◆ max22190_reg_write()

int max22190_reg_write	(	struct max22190_desc *	desc,
		uint32_t	addr,
		uint32_t	val
	)

Register write function for MAX22190.

Parameters

desc	- MAX22190 device descriptor.
addr	- Register value to which data is written.
val	- Value which is to be written to requested register.

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

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◆ max22190_remove()

int max22190_remove ( struct max22190_desc * desc )

Free the resources allocated by initialization.

Parameters

desc	- MAX22190 device descriptor.

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

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◆ max22190_wbe_get()

int max22190_wbe_get	(	struct max22190_desc *	desc,
		uint32_t	ch,
		bool *	enabled
	)

Get Wire Break detection for requested channel.

Parameters

desc	- MAX22190 device descriptor.
ch	- Channel to read the WBE from.
enabled	- State of the WBE for the specific channel returned after reading the register.

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

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◆ max22190_wbe_set()

int max22190_wbe_set	(	struct max22190_desc *	desc,
		uint32_t	ch,
		bool	enabled
	)

Set Wire Break detection for requested channel.

Parameters

desc	- MAX22190 device descriptor.
ch	- Channel to set the WBE to.
enabled	- State of the WBE for the specific channel to be set.

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

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Functions

Detailed Description

Function Documentation

◆ max22190_chan_state()

◆ max22190_fault_enable_get()

◆ max22190_fault_enable_set()

◆ max22190_filter_get()

◆ max22190_filter_set()

◆ max22190_init()

◆ max22190_reg_read()

◆ max22190_reg_update()

◆ max22190_reg_write()

◆ max22190_remove()

◆ max22190_wbe_get()

◆ max22190_wbe_set()