adt75.h File Reference

Header file of ADT75 Driver. More...

#include <stdint.h>
#include "no_os_i2c.h"

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Classes
struct	adt75_init_param
	Initialization parameter for the device descriptor. More...
struct	adt75_desc
	ADT75 device descriptor. More...

Macros
#define	ADT75_ADDR(x)   (0x48 + (x))
#define	ADT75_CONV_DELAY_MS   40
#define	ADT75_FRAME_SIZE   3
#define	ADT75_TEMP_VALUE_REG   0x0
#define	ADT75_CONF_REG   0x1
#define	ADT75_HYST_REG   0x2
#define	ADT75_OS_REG   0x3
#define	ADT75_ONE_SHOT_REG   0x4
#define	ADT75_DATA_REG_MASK   NO_OS_GENMASK(2, 0)
#define	ADT75_CONFIG_REG_MASK   NO_OS_GENMASK(7, 0)
#define	ADT75_TEMP_MASK   NO_OS_GENMASK(15, 4)
#define	ADT75_SIGN_BIT   11
#define	ADT75_SHUTDOWN_MASK   NO_OS_BIT(0)
#define	ADT75_COMP_INT_MASK   NO_OS_BIT(1)
#define	ADT75_ALERT_POL_MASK   NO_OS_BIT(2)
#define	ADT75_FAULT_QUEUE_MASK   NO_OS_GENMASK(4, 3)
#define	ADT75_ONESHOT_MASK   NO_OS_BIT(5)
#define	ADT75_HYST_MASK   NO_OS_GENMASK(15, 4)
#define	ADT75_OVER_TEMP_MASK   NO_OS_GENMASK(15, 4)
#define	ADT75_TEMP_DIV   16

Functions
int	adt75_get_single_temp (struct adt75_desc *, int32_t *)
	Read the current temperature sample (in milliCelsius) More...
int	adt75_reg_read (struct adt75_desc *, uint32_t, uint16_t *)
	Read the raw value of a register. More...
int	adt75_reg_write (struct adt75_desc *, uint32_t, uint16_t)
	Write a raw value to a register. More...
int	adt75_init (struct adt75_desc **, struct adt75_init_param *)
	Initialize the device structure. More...
int	adt75_remove (struct adt75_desc *)
	Free the device descriptor. More...

Detailed Description

Header file of ADT75 Driver.

Author

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

Copyright 2023(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:

• 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

ADT75_ADDR

#define ADT75_ADDR

(

x

)

(0x48 + (x))

x is set based on the value of A2, A1, A0 pins

ADT75_ALERT_POL_MASK

#define ADT75_ALERT_POL_MASK   NO_OS_BIT(2)

ADT75_COMP_INT_MASK

#define ADT75_COMP_INT_MASK   NO_OS_BIT(1)

ADT75_CONF_REG

#define ADT75_CONF_REG   0x1

ADT75_CONFIG_REG_MASK

#define ADT75_CONFIG_REG_MASK   NO_OS_GENMASK(7, 0)

ADT75_CONV_DELAY_MS

#define ADT75_CONV_DELAY_MS   40

ADT75_DATA_REG_MASK

#define ADT75_DATA_REG_MASK   NO_OS_GENMASK(2, 0)

ADT75_FAULT_QUEUE_MASK

#define ADT75_FAULT_QUEUE_MASK   NO_OS_GENMASK(4, 3)

ADT75_FRAME_SIZE

#define ADT75_FRAME_SIZE   3

ADT75_HYST_MASK

#define ADT75_HYST_MASK   NO_OS_GENMASK(15, 4)

ADT75_HYST_REG

#define ADT75_HYST_REG   0x2

ADT75_ONE_SHOT_REG

#define ADT75_ONE_SHOT_REG   0x4

ADT75_ONESHOT_MASK

#define ADT75_ONESHOT_MASK   NO_OS_BIT(5)

ADT75_OS_REG

#define ADT75_OS_REG   0x3

ADT75_OVER_TEMP_MASK

#define ADT75_OVER_TEMP_MASK   NO_OS_GENMASK(15, 4)

ADT75_SHUTDOWN_MASK

#define ADT75_SHUTDOWN_MASK   NO_OS_BIT(0)

Configuration register fields

ADT75_SIGN_BIT

#define ADT75_SIGN_BIT   11

ADT75_TEMP_DIV

#define ADT75_TEMP_DIV   16

1 LSB = 0.0625 C

ADT75_TEMP_MASK

#define ADT75_TEMP_MASK   NO_OS_GENMASK(15, 4)

ADT75_TEMP_VALUE_REG

#define ADT75_TEMP_VALUE_REG   0x0

Function Documentation

adt75_get_single_temp()

int adt75_get_single_temp	(	struct adt75_desc *	desc,
		int32_t *	val
	)

Read the current temperature sample (in milliCelsius)

Get a single temperature sample and convert it to milli C

Parameters

desc	- The device structure.
val	- The temperature value.

Returns

0 in case of success, -EINVAL otherwise

Wait for a new conversion to finish

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adt75_init()

int adt75_init	(	struct adt75_desc **	desc,
		struct adt75_init_param *	init_param
	)

Initialize the device structure.

Initialize the device structure

Parameters

desc	- The device structure to be initialized.
init_param	- Initialization parameter for the device descriptor.

Returns

0 in case of success, negative error code otherwise.

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adt75_reg_read()

int adt75_reg_read	(	struct adt75_desc *	desc,
		uint32_t	addr,
		uint16_t *	val
	)

Read the raw value of a register.

Read a register value

Parameters

desc	- The device structure.
addr	- The register's address.
val	- The value to be read.

Returns

0 in case of success, negative error code otherwise

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adt75_reg_write()

int adt75_reg_write	(	struct adt75_desc *	desc,
		uint32_t	addr,
		uint16_t	val
	)

Write a raw value to a register.

Write a register values

Parameters

desc	- The device structure.
addr	- The register's address.
val	- The value to be written.

Returns

0 in case of success, -EINVAL otherwise

adt75_remove()

int adt75_remove

(

struct adt75_desc *

desc

)

Free the device descriptor.

Free the device descriptor

Parameters

desc	- The device structure.

Returns

0 in case of success, -EINVAL otherwise.

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