LPS22HB pressure sensor

LPS22HB pressure sensor API. More...

Data Structures
struct	drv_lps22hb_cfg_t
	Configuration struct for lps22hb pressure sensor. More...
struct	drv_lps22hb_twi_cfg_t
	Initialization struct for lps22hb pressure sensor driver. More...

Macros
#define	CTRL_REG1   0x10
	Control register 1.
#define	CTRL_REG1_BDU_Pos   1
	Bitmasks for BDU.
#define	CTRL_REG1_EN_LPFP_Pos   3
	Bitmasks for EN_LPFP.
#define	CTRL_REG1_LPFP_CFG_Pos   2
	Bitmasks for LPFP_CFG.
#define	CTRL_REG1_ODR_Pos   4
	Bitmasks for ODR.
#define	CTRL_REG1_SIM_Pos   0
	Bitmasks for SIM.
#define	CTRL_REG2   0x11
	Control register 2.
#define	CTRL_REG2_BOOT_Pos   7
	Bitmasks for BOOT.
#define	CTRL_REG2_FIFO_EN_Pos   6
	Bitmasks for FIFO_EN.
#define	CTRL_REG2_I2C_DIS_Pos   3
	Bitmasks for I2C_DIS.
#define	CTRL_REG2_IF_ADD_INC_Pos   4
	Bitmasks for IF_ADD_INC.
#define	CTRL_REG2_ONE_SHOT_Pos   0
	Bitmasks for ONE_SHOT.
#define	CTRL_REG2_STOP_ON_FTH_Pos   5
	Bitmasks for STOP_ON_FTH.
#define	CTRL_REG2_SWRESET_Pos   2
	Bitmasks for SWRESET.
#define	CTRL_REG3   0x12
	Control register 3 - INT_DRDY pin control register.
#define	CTRL_REG3_DRDY_Pos   2
	Bitmasks for DRDY.
#define	CTRL_REG3_F_FSS5_Pos   5
	Bitmasks for F_FSS5.
#define	CTRL_REG3_F_FTH_Pos   4
	Bitmasks for F_FTH.
#define	CTRL_REG3_F_OVR_Pos   3
	Bitmasks for F_OVR.
#define	CTRL_REG3_INT_H_L_Pos   7
	Bitmasks for INT_H_L.
#define	CTRL_REG3_INT_S_Pos   0
	Bitmasks for INT_S.
#define	CTRL_REG3_PP_OD_Pos   6
	Bitmasks for PP_OD.
#define	FIFO_CTRL_REG   0x14
	FIFO control register.
#define	FIFO_CTRL_REG_F_MODE_Pos   5
	Bitmasks for F_MODE.
#define	FIFO_STATUS_REG   0x26
	FIFO status.
#define	INT_SOURCE_REG   0x25
	Interrupt source.
#define	INTERRUPT_CFG_REG   0x0B
	Interrupt mode for pressure acquisition configuration register.
#define	INTERRUPT_CFG_REG_AUTORIFP_Pos   7
	Bitmasks for AUTORIFP.
#define	INTERRUPT_CFG_REG_AUTOZERO_Pos   5
	Bitmasks for AUTOZERO.
#define	INTERRUPT_CFG_REG_DIFF_EN_Pos   3
	Bitmasks for DIFF_EN.
#define	INTERRUPT_CFG_REG_LIR_Pos   2
	Bitmasks for LIR.
#define	INTERRUPT_CFG_REG_PHE_Pos   0
	Bitmasks for PHE.
#define	INTERRUPT_CFG_REG_PLE_Pos   1
	Bitmasks for PLE.
#define	INTERRUPT_CFG_REG_RESET_ARP_Pos   6
	Bitmasks for RESET_ARP.
#define	INTERRUPT_CFG_REG_RESET_AZ_Pos   4
	Bitmasks for RESET_AZ.
#define	LPFP_RES_REG   0x33
	Low-pass filter reset register.
#define	PRESS_OUT_H_REG   0x2A
	Pressure output value (MSB).
#define	PRESS_OUT_L_REG   0x29
	Pressure output value (mid part).
#define	PRESS_OUT_XL_REG   0x28
	Pressure output value (LSB).
#define	REF_P_H_REG   0x17
	Reference pressure (MSB part).
#define	REF_P_L_REG   0x16
	Reference pressure (middle part).
#define	REF_P_XL_REG   0x15
	Reference pressure (LSB data).
#define	RES_CONF_REG   0x1A
	Low-power mode configuration.
#define	RES_CONF_REG_LC_EN_Pos   0
	Bitmasks for DRDY.
#define	RPDS_H_REG   0x19
	Pressure offset (MSB data).
#define	RPDS_L_REG   0x18
	Pressure offset (LSB data).
#define	STATUS_REG   0x27
	Status register.
#define	STATUS_REG_P_DA_Pos   0
	Bitmasks for P_DA.
#define	STATUS_REG_P_OR_Pos   4
	Bitmasks for P_OR.
#define	STATUS_REG_T_DA_Pos   1
	Bitmasks for T_DA.
#define	STATUS_REG_T_OR_Pos   5
	Bitmasks for T_OR.
#define	TEMP_OUT_H_REG   0x2C
	Temperature output value (MSB).
#define	TEMP_OUT_L_REG   0x2B
	Temperature output value (LSB).
#define	THS_P_H_REG   0x0D
	User defined threshold value for pressure interrupt event (Most significant bits).
#define	THS_P_L_REG   0x0C
	User defined threshold value for pressure interrupt event (Least significant bits).
#define	WHO_AM_I_REG   0x0F
	Device Who am I register.

Enumerations
enum	drv_lps22hb_odr_t
	Available data rates.

Functions
uint32_t	drv_lps22hb_cfg_get (drv_lps22hb_cfg_t *p_cfg)
	Reads the configuration of the lps22hb sensor. More...
uint32_t	drv_lps22hb_cfg_set (drv_lps22hb_cfg_t const *const p_cfg)
	Configures the lps22hb sensor according to the specified configuration. More...
uint32_t	drv_lps22hb_close (void)
	Close the lps22hb driver. More...
uint32_t	drv_lps22hb_fifo_status_get (uint8_t *p_status)
	Function to get the FIFO status. More...
uint32_t	drv_lps22hb_init (void)
	Inits the lps22hb driver.
uint32_t	drv_lps22hb_int_source_get (uint8_t *p_source)
	Function to get the interrupt source register. More...
uint32_t	drv_lps22hb_low_pass_reset (void)
	Function to reset low-pass filter of the lps22hb. More...
uint32_t	drv_lps22hb_odr_set (drv_lps22hb_odr_t odr)
	Function to output data rate of the lps22hb. More...
uint32_t	drv_lps22hb_one_shot (void)
	Start One-Shot conversion of the lps22hb sensor data. More...
uint32_t	drv_lps22hb_open (drv_lps22hb_twi_cfg_t const *const p_twi_cfg)
	Opens the lps22hb driver according to the specified configuration. More...
uint32_t	drv_lps22hb_pressure_get (uint32_t *p_pressure)
	Function to get the pressure data. To calculate p(hPa) = *p_pressure(LSB) / 4096(LSB/hPa). More...
uint32_t	drv_lps22hb_pressure_offset_get (uint16_t *p_offset)
	Function to get pressure offset. More...
uint32_t	drv_lps22hb_pressure_offset_set (uint16_t offset)
	Function to set pressure offset. More...
uint32_t	drv_lps22hb_reboot (void)
	Reboot the lps22hb memory content. More...
uint32_t	drv_lps22hb_ref_pressure_get (uint32_t *p_ref_press)
	Function to get reference pressure. More...
uint32_t	drv_lps22hb_ref_pressure_set (uint32_t ref_press)
	Function to set reference pressure. More...
uint32_t	drv_lps22hb_status_get (uint8_t *p_status)
	Function to get the status. More...
uint32_t	drv_lps22hb_sw_reset (void)
	Perform Software Reset of the lps22hb. More...
uint32_t	drv_lps22hb_temperature_get (uint16_t *p_temperature)
	Function to get the temperature data. More...
uint32_t	drv_lps22hb_verify (uint8_t *who_am_i)
	Read and check the WHO_AM_I register of the lps22hb sensor. More...

Detailed Description

LPS22HB pressure sensor API.

Function Documentation

uint32_t drv_lps22hb_cfg_get

(

drv_lps22hb_cfg_t *

p_cfg

)

Reads the configuration of the lps22hb sensor.

Parameters

[in]

p_cfg

Pointer to the driver configuration for the session to be opened.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_cfg_set

(

drv_lps22hb_cfg_t const *const

p_cfg

)

Configures the lps22hb sensor according to the specified configuration.

Parameters

[in]

p_cfg

Pointer to the sensor configuration.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_close

(

void

)

Close the lps22hb driver.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_fifo_status_get

(

uint8_t *

p_status

)

Function to get the FIFO status.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_int_source_get

(

uint8_t *

p_source

)

Function to get the interrupt source register.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_low_pass_reset

(

void

)

Function to reset low-pass filter of the lps22hb.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_odr_set

(

drv_lps22hb_odr_t

odr

)

Function to output data rate of the lps22hb.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_one_shot

(

void

)

Start One-Shot conversion of the lps22hb sensor data.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_open

(

drv_lps22hb_twi_cfg_t const *const

p_twi_cfg

)

Opens the lps22hb driver according to the specified configuration.

Parameters

[in]

p_twi_cfg

Pointer to the driver configuration for the session to be opened.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_pressure_get

(

uint32_t *

p_pressure

)

Function to get the pressure data. To calculate p(hPa) = *p_pressure(LSB) / 4096(LSB/hPa).

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_pressure_offset_get

(

uint16_t *

p_offset

)

Function to get pressure offset.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_pressure_offset_set

(

uint16_t

offset

)

Function to set pressure offset.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_reboot

(

void

)

Reboot the lps22hb memory content.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_ref_pressure_get

(

uint32_t *

p_ref_press

)

Function to get reference pressure.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_ref_pressure_set

(

uint32_t

ref_press

)

Function to set reference pressure.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_status_get

(

uint8_t *

p_status

)

Function to get the status.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_sw_reset

(

void

)

Perform Software Reset of the lps22hb.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_temperature_get

(

uint16_t *

p_temperature

)

Function to get the temperature data.

Returns

NRF_SUCCESS If the call was successful.

uint32_t drv_lps22hb_verify

(

uint8_t *

who_am_i

)

Read and check the WHO_AM_I register of the lps22hb sensor.

Parameters

[in]

who_am_i

Pointer to store the data.

Returns

NRF_SUCCESS If the call was successful.