Public Function

Functions
void	pressure_cfg_setup (pressure_cfg_t *cfg)
	Configuration Object Setup function.
pressure_err_t	pressure_init (pressure_t *ctx, pressure_cfg_t *cfg)
	Click Initialization function.
void	pressure_default_cfg (pressure_t *ctx)
	Click Default Configuration function.
pressure_err_t	pressure_generic_single_write (pressure_t *ctx, uint8_t reg_addr, uint8_t data_in)
	Generic Single Write function.
pressure_err_t	pressure_generic_multiple_write (pressure_t *ctx, uint8_t reg_addr, uint8_t *data_in, uint8_t n_data)
	Generic Multiple Write function.
pressure_err_t	pressure_generic_multiple_read (pressure_t *ctx, uint8_t reg_addr, uint8_t *data_out, uint8_t n_data)
	Generic Multiple Read function.
uint8_t	pressure_read_id (pressure_t *ctx)
	ID Read function.
void	pressure_set_odr (pressure_t *ctx, pressure_odr_t odr)
	Output Data Rate Set function.
void	pressure_pwr_ctrl (pressure_t *ctx, pressure_pwr_ctrl_t state)
	Device Power Control function.
void	pressure_pwr_ctrl_interrupt (pressure_t *ctx, pressure_pwr_ctrl_t state)
	Interrupt Power Control function.
void	pressure_block_data_update (pressure_t *ctx, pressure_pwr_ctrl_t state)
	Data Update Block function.
void	pressure_pwr_ctrl_delta_pressure (pressure_t *ctx, pressure_pwr_ctrl_t state)
	Delta Pressure Power Control function.
void	pressure_reboot_memory (pressure_t *ctx)
	Memory Reboot function.
void	pressure_sw_reset (pressure_t *ctx)
	Software Reset function.
float	pressure_get_pressure (pressure_t *ctx)
	Pressure Get function.
float	pressure_get_temperature (pressure_t *ctx)
	Temperature Get function.
uint8_t	pressure_get_status (pressure_t *ctx, uint8_t bit_mask)
	Status Get function.
uint8_t	pressure_get_int_pin (pressure_t *ctx)
	INT Pin Get function.

Detailed Description

Function Documentation

pressure_block_data_update()

void pressure_block_data_update	(	pressure_t *	ctx,
		pressure_pwr_ctrl_t	state )

Data Update Block function.

Parameters

ctx	Click object.
state	0 - Not blocked, 1 - Blocked.

@description This function allows output registers to not be updated until MSB and LSB reading was done.

Note

In other case the continuous data update will be performed.

pressure_cfg_setup()

void pressure_cfg_setup

(

pressure_cfg_t *

cfg

)

Configuration Object Setup function.

Parameters

cfg	Click configuration structure.

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

Note

All used pins will be set to unconnected state.

pressure_default_cfg()

void pressure_default_cfg

(

pressure_t *

ctx

)

Click Default Configuration function.

Parameters

ctx	Click object.

@description This function executes default configuration for Pressure click.

Note

Pressure click will be set to work in the default normal mode.

pressure_generic_multiple_read()

pressure_err_t pressure_generic_multiple_read	(	pressure_t *	ctx,
		uint8_t	reg_addr,
		uint8_t *	data_out,
		uint8_t	n_data )

Generic Multiple Read function.

Parameters

ctx	Click object.
reg_addr	Register address.
data_out	Memory where read data be stored.
n_data	Number of bytes to be read.

Returns

0x0 - Ok, 0xFE - Invalid register address, 0xFF - Number of bytes is out of range.

@description This function reads one or more data bytes starting from the selected register.

pressure_generic_multiple_write()

pressure_err_t pressure_generic_multiple_write	(	pressure_t *	ctx,
		uint8_t	reg_addr,
		uint8_t *	data_in,
		uint8_t	n_data )

Generic Multiple Write function.

Parameters

ctx	Click object.
reg_addr	Register address.
data_in	Data to be written.
n_data	Number of bytes to be written.

Returns

0x0 - Ok, 0xFE - Invalid register address, 0xFF - Number of bytes is out of range.

@description This function writes one or more data bytes starting from the selected register.

pressure_generic_single_write()

pressure_err_t pressure_generic_single_write	(	pressure_t *	ctx,
		uint8_t	reg_addr,
		uint8_t	data_in )

Generic Single Write function.

Parameters

ctx	Click object.
reg_addr	Register address.
data_in	Data to be written.

Returns

0x0 - Ok, 0xFE - Invalid register address.

@description This function writes one data byte to the desired register.

pressure_get_int_pin()

uint8_t pressure_get_int_pin

(

pressure_t *

ctx

)

INT Pin Get function.

Parameters

ctx	Click object.

Returns

Pin state [bool].

@description This function returns true if the high voltage level detected on the INT pin, or returns false if the low voltage level detected on the INT pin.

pressure_get_pressure()

float pressure_get_pressure

(

pressure_t *

ctx

)

Pressure Get function.

Parameters

ctx	Click object.

Returns

Pressure [mbar].

@description This function returns the pressure converted to mbar.

pressure_get_status()

uint8_t pressure_get_status	(	pressure_t *	ctx,
		uint8_t	bit_mask )

Status Get function.

Parameters

ctx	Click object.
bit_mask	Selects the flag bits which will be checked in status byte.

Returns

Status byte.

@description This function allows user to check the desired flags in Status register.

pressure_get_temperature()

float pressure_get_temperature

(

pressure_t *

ctx

)

Temperature Get function.

Parameters

ctx	Click object.

Returns

Temperature [Celsius degrees].

@description This function returns the temperature converted to Celsius degrees.

pressure_init()

pressure_err_t pressure_init	(	pressure_t *	ctx,
		pressure_cfg_t *	cfg )

Click Initialization function.

Parameters

ctx	Click object.
cfg	Click configuration structure.

Returns

0x0 - Ok, 0xFD - Driver init error.

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

Note

All configuration settings will be entered from the configuration structure.

pressure_pwr_ctrl()

void pressure_pwr_ctrl	(	pressure_t *	ctx,
		pressure_pwr_ctrl_t	state )

Device Power Control function.

Parameters

ctx	Click object.
state	Power state of the device [0 - Disable, 1 - Enable].

@description This function performs the power control of the device.

pressure_pwr_ctrl_delta_pressure()

void pressure_pwr_ctrl_delta_pressure	(	pressure_t *	ctx,
		pressure_pwr_ctrl_t	state )

Delta Pressure Power Control function.

Parameters

ctx	Click object.
state	Power state of delta pressure [0 - Disable, 1 - Enable].

@description This function performs the power control of delta pressure registers.

pressure_pwr_ctrl_interrupt()

void pressure_pwr_ctrl_interrupt	(	pressure_t *	ctx,
		pressure_pwr_ctrl_t	state )

Interrupt Power Control function.

Parameters

ctx	Click object.
state	Interrupt power state [0 - Disable, 1 - Enable].

@description This function performs the power control of the interrupt.

pressure_read_id()

uint8_t pressure_read_id

(

pressure_t *

ctx

)

ID Read function.

Parameters

ctx	Click object.

Returns

Device ID byte.

@description This function reads the device ID.

pressure_reboot_memory()

void pressure_reboot_memory

(

pressure_t *

ctx

)

Memory Reboot function.

Parameters

ctx	Click object.

@description This function is used to refresh the content of the internal registers stored in the Flash memory block.

pressure_set_odr()

void pressure_set_odr	(	pressure_t *	ctx,
		pressure_odr_t	odr )

Output Data Rate Set function.

Parameters

ctx	Click object.
odr	Data Rate value.

@description This function executes output data rate setting.

pressure_sw_reset()

void pressure_sw_reset

(

pressure_t *

ctx

)

Software Reset function.

Parameters

ctx	Click object.

@description This function allows device to be reset to the power on configuration.