Maxim DS75LX temperature sensor

Device driver interface for the Maxim DS75LX temperature sensor. More...

Detailed Description

Device driver interface for the Maxim DS75LX temperature sensor.

This driver provides [S]ensor [A]ctuator [U]ber [L]ayer capabilities.

Files
file	ds75lx_internals.h
	Internal addresses, registers, constants for the DS75LX sensor.
file	ds75lx_params.h
	Default configuration for DS75LX.
file	ds75lx.h

Data Structures
struct	ds75lx_params_t
	Device initialization parameters. More...
struct	ds75lx_t
	Device descriptor for the DS75LX sensor. More...

Enumerations
enum	ds75lx_resolution_t { DS75LX_RESOLUTION_9 = 0, DS75LX_RESOLUTION_10, DS75LX_RESOLUTION_11, DS75LX_RESOLUTION_12 }
	Thermometer resolution. More...
enum	{ DS75LX_OK = 0, DS75LX_ERR_I2C }
	Status and error return codes. More...

Functions
int	ds75lx_init (ds75lx_t *dev, const ds75lx_params_t *params)
	Initialize the given DS75LX device. More...
int	ds75lx_read_temperature (const ds75lx_t *dev, int16_t *temperature)
	Read temperature value from the given DS75LX device, returned in c°C. More...
int	ds75lx_wakeup (const ds75lx_t *dev)
	Wakeup the sensor. More...
int	ds75lx_shutdown (const ds75lx_t *dev)
	Shutdown the sensor. More...

Enumeration Type Documentation

anonymous enum

anonymous enum

Status and error return codes.

Enumerator
DS75LX_OK	everything was fine
DS75LX_ERR_I2C	error when reading/writing I2C bus

Definition at line 62 of file ds75lx.h.

ds75lx_resolution_t

enum ds75lx_resolution_t

Thermometer resolution.

Enumerator
DS75LX_RESOLUTION_9	9 bits resolution, 25ms max conversion time
DS75LX_RESOLUTION_10	10 bits resolution, 50ms max conversion time
DS75LX_RESOLUTION_11	11 bits resolution, 100ms max conversion time
DS75LX_RESOLUTION_12	12 bits resolution, 200ms max conversion time

Definition at line 36 of file ds75lx.h.

Function Documentation

ds75lx_init()

int ds75lx_init	(	ds75lx_t *	dev,
		const ds75lx_params_t *	params
	)

Initialize the given DS75LX device.

Parameters

[out]	dev	Initialized device descriptor of DS75LX device
[in]	params	Initialization parameters

Returns

DS75LX_OK on success

-DS75LX_ERR_I2C if an error occurred when reading/writing

ds75lx_read_temperature()

int ds75lx_read_temperature	(	const ds75lx_t *	dev,
		int16_t *	temperature
	)

Read temperature value from the given DS75LX device, returned in c°C.

Parameters

[in]	dev	Device descriptor of DS75LX device
[out]	temperature	Temperature in c°C

Returns

DS75LX_OK on success

-DS75LX_ERR_I2C if an error occurred when reading/writing

ds75lx_shutdown()

int ds75lx_shutdown

(

const ds75lx_t *

dev

)

Shutdown the sensor.

Parameters

[in]

dev

Device descriptor of DS75LX device

Returns

DS75LX_OK on success

-DS75LX_ERR_I2C if an error occurred when reading/writing

ds75lx_wakeup()

int ds75lx_wakeup

(

const ds75lx_t *

dev

)

Wakeup the sensor.

Parameters

[in]

dev

Device descriptor of DS75LX device

Returns

DS75LX_OK on success

-DS75LX_ERR_I2C if an error occurred when reading/writing