Adafruit_LPS22 Class Reference

#include <Adafruit_LPS2X.h>

Inheritance diagram for Adafruit_LPS22:

Public Member Functions
	~Adafruit_LPS22 ()
	Destroy the Adafruit_LPS22::Adafruit_LPS22 object.
lps22_rate_t	getDataRate (void)
	Gets the current rate at which pressure and temperature measurements are taken. More...
void	setDataRate (lps22_rate_t data_rate)
	Sets the rate at which pressure and temperature measurements. More...
void	configureInterrupt (bool activelow, bool opendrain, bool data_ready, bool pres_high=false, bool pres_low=false, bool fifo_full=false, bool fifo_watermark=false, bool fifo_overflow=false)
	Configures the INT pin. More...
Public Member Functions inherited from Adafruit_LPS2X
	Adafruit_LPS2X ()
	Construct a new Adafruit_LPS2X::Adafruit_LPS2X object.
bool	begin_I2C (uint8_t i2c_addr=LPS2X_I2CADDR_DEFAULT, TwoWire *wire=&Wire, int32_t sensor_id=0)
	Sets up the hardware and initializes I2C. More...
bool	begin_SPI (uint8_t cs_pin, SPIClass *theSPI=&SPI, int32_t sensor_id=0)
	Sets up the hardware and initializes hardware SPI. More...
bool	begin_SPI (int8_t cs_pin, int8_t sck_pin, int8_t miso_pin, int8_t mosi_pin, int32_t sensor_id=0)
	Sets up the hardware and initializes software SPI. More...
void	setPresThreshold (uint16_t hPa_delta)
	Set the pressure threshold register for interrupt levels. More...
bool	getEvent (sensors_event_t *pressure, sensors_event_t *temp)
	Gets the pressure sensor and temperature values as sensor events. More...
void	reset (void)
	Performs a software reset initializing registers to their power on state.
Adafruit_Sensor *	getTemperatureSensor (void)
	Gets an Adafruit Unified Sensor object for the temp sensor component. More...
Adafruit_Sensor *	getPressureSensor (void)
	Gets an Adafruit Unified Sensor object for the presure sensor component. More...

Protected Member Functions
bool	_init (int32_t sensor_id)
	Initializer for post i2c/spi init. More...
Protected Member Functions inherited from Adafruit_LPS2X
void	_read (void)
	Updates the measurement data for all sensors simultaneously.

Additional Inherited Members
Protected Attributes inherited from Adafruit_LPS2X
float	_temp
	Last reading's temperature (C)
float	_pressure
	Last reading's pressure (hPa)
uint16_t	_sensorid_pressure
	ID number for pressure.
uint16_t	_sensorid_temp
	ID number for temperature.
float	temp_scaling = 1
	Different chips have different scalings.
float	temp_offset = 1
	Different chips have different offsets.
uint8_t	inc_spi_flag
	If this chip has a bitflag for incrementing SPI registers. More...
bool	isOneShot = false
	true if data rate is one-shot
Adafruit_I2CDevice *	i2c_dev = NULL
	Pointer to I2C bus interface.
Adafruit_SPIDevice *	spi_dev = NULL
	Pointer to SPI bus interface.
Adafruit_LPS2X_Temp *	temp_sensor = NULL
	Temp sensor data object.
Adafruit_LPS2X_Pressure *	pressure_sensor
	Pressure sensor data object. More...
Adafruit_BusIO_Register *	ctrl1_reg = NULL
	The first control register.
Adafruit_BusIO_Register *	ctrl2_reg = NULL
	The second control register.
Adafruit_BusIO_Register *	ctrl3_reg = NULL
	The third control register.
Adafruit_BusIO_Register *	threshp_reg = NULL
	Pressure threshold.

Detailed Description

Specific subclass for LPS22 variant

Member Function Documentation

getDataRate()

lps22_rate_t Adafruit_LPS22::getDataRate

(

void

)

Gets the current rate at which pressure and temperature measurements are taken.

Returns

lps22_rate_t The current data rate

setDataRate()

void Adafruit_LPS22::setDataRate

(

lps22_rate_t

new_data_rate

)

Sets the rate at which pressure and temperature measurements.

Parameters

new_data_rate

The data rate to set. Must be a lps22_rate_t

configureInterrupt()

void Adafruit_LPS22::configureInterrupt	(	bool	activelow,
		bool	opendrain,
		bool	data_ready,
		bool	pres_high = false,
		bool	pres_low = false,
		bool	fifo_full = false,
		bool	fifo_watermark = false,
		bool	fifo_overflow = false
	)

Configures the INT pin.

Parameters

activelow	Pass true to make the INT pin drop low on interrupt
opendrain	Pass true to make the INT pin an open drain output
data_ready	If true, interrupt fires on new data ready
pres_high	If true, interrupt fires on high threshold pass
pres_low	If true, interrupt fires on low threshold pass
fifo_full	If true, interrupt fires on fifo full
fifo_watermark	If true, interrupt fires on fifo watermark pass
fifo_overflow	If true, interrupt fires on fifo overflow

_init()

bool Adafruit_LPS22::_init ( int32_t  sensor_id )

protectedvirtual

Initializer for post i2c/spi init.

Parameters

sensor_id

Optional unique ID for the sensor set

Returns

True if chip identified and initialized

Implements Adafruit_LPS2X.

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The documentation for this class was generated from the following files:

• Adafruit_LPS2X.h
• Adafruit_LPS22.cpp