Public function

Functions
void	barometer_cfg_setup (barometer_cfg_t *cfg)
	Config Object Initialization function.
BAROMETER_RETVAL	barometer_init (barometer_t *ctx, barometer_cfg_t *cfg)
	Initialization function.
void	barometer_default_cfg (barometer_t *ctx)
	Click Default Configuration function.
void	barometer_generic_write (barometer_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len)
	Generic write function.
void	barometer_generic_read (barometer_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len)
	Generic read function.
uint8_t	barometer_read_data (barometer_t *ctx, uint8_t address)
	Generic read 8-bit data function.
void	barometer_set_active (barometer_t *ctx)
	Sets the module active function.
float	barometer_get_temperature_c (barometer_t *ctx)
	Read temperature in degrees Celsius function.
float	barometer_get_temperature_f (barometer_t *ctx)
	Read temperature in degrees of Fahrenheit function.
float	barometer_get_pressure (barometer_t *ctx)
	Read pressure in milibars function.
uint8_t	barometer_check_id (barometer_t *ctx)
	Check sensor id - Who Am I function.
uint8_t	barometer_check_status (barometer_t *ctx)
	Check sensor status function.
uint8_t	barometer_check_interrupt (barometer_t *ctx)
	State of interrupt pin function.

Detailed Description

Function Documentation

barometer_cfg_setup()

void barometer_cfg_setup

(

barometer_cfg_t *

cfg

)

Config Object Initialization function.

Parameters

cfg	Click configuration structure.

@description This function initializes click configuration structure to init state.

Note

All used pins will be set to unconnected state.

barometer_check_id()

uint8_t barometer_check_id

(

barometer_t *

ctx

)

Check sensor id - Who Am I function.

Parameters

ctx	Click object.

Returns

8-bit id data from Who Am I register

Function read sensor id ( Who Am I register ) from the LPS25HB sensor.

barometer_check_interrupt()

uint8_t barometer_check_interrupt

(

barometer_t *

ctx

)

State of interrupt pin function.

Parameters

ctx	Click object.

Returns

State of INT pin - 0 or 1

Function checks is interrupt occurred and returns the state of the INT pin. INT pin can be configured to show are data registers updated with the new values or not.

barometer_check_status()

uint8_t barometer_check_status

(

barometer_t *

ctx

)

Check sensor status function.

Parameters

ctx	Click object.

Returns

8-bit id data from status register

Function read sensor status ( status register ) from the LPS25HB sensor.

barometer_default_cfg()

void barometer_default_cfg

(

barometer_t *

ctx

)

Click Default Configuration function.

Parameters

ctx	Click object.

Note

        set: BAROMETER_CTRL_REG1
               - BAROMETER_DEFAULT_CONFIG
*

@description This function executes default configuration for Barometer click.

barometer_generic_read()

void barometer_generic_read	(	barometer_t *	ctx,
		uint8_t	reg,
		uint8_t *	data_buf,
		uint8_t	len )

Generic read function.

Parameters

ctx	Click object.
reg	Register address.
data_buf	Data buf to be written.
len	Number of the bytes in data buf.

@description This function reads data from the desired register.

barometer_generic_write()

void barometer_generic_write	(	barometer_t *	ctx,
		uint8_t	reg,
		uint8_t *	data_buf,
		uint8_t	len )

Generic write function.

Parameters

ctx	Click object.
reg	Register address.
data_buf	Output data buf
len	Number of the bytes to be read

@description This function writes data to the desired register.

barometer_get_pressure()

float barometer_get_pressure

(

barometer_t *

ctx

)

Read pressure in milibars function.

Parameters

ctx	Click object.

Returns

float pressure data in milibars [ mbar ]

Function read and calculate pressure in milibars from the LPS25HB sensor.

barometer_get_temperature_c()

float barometer_get_temperature_c

(

barometer_t *

ctx

)

Read temperature in degrees Celsius function.

Parameters

ctx	Click object.

Returns

float temperature data degrees Celsius [ �C ]

Function read and calculate temperature in degrees Celsius from the LPS25HB sensor.

barometer_get_temperature_f()

float barometer_get_temperature_f

(

barometer_t *

ctx

)

Read temperature in degrees of Fahrenheit function.

Parameters

ctx	Click object.

Returns

float temperature data degrees Fahrenheit [ �F ]

Function read and calculate temperature in degrees Fahrenheit from the LPS25HB sensor.

barometer_init()

BAROMETER_RETVAL barometer_init	(	barometer_t *	ctx,
		barometer_cfg_t *	cfg )

Initialization function.

Parameters

barometer	Click object.
cfg	Click configuration structure.

@description This function initializes all necessary pins and peripherals used for this click.

barometer_read_data()

uint8_t barometer_read_data	(	barometer_t *	ctx,
		uint8_t	address )

Generic read 8-bit data function.

Parameters

ctx	Click object.
address	Register address

Returns

8-bit data from addressed register from the LPS25HB

Function read 8-bit data from register address of the LPS25HB sensor.

barometer_set_active()

void barometer_set_active

(

barometer_t *

ctx

)

Sets the module active function.

Parameters

ctx	Click object. Function set active mode by writing configuration register from the LPS25HB sensor.