bar_ils22qs.h File Reference

#include "mysensors_def.h"
#include "stm32wlxx_hal.h"

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Data Structures
struct	bar_ils22qs_t
	Measurement data produced by the ILPS22QS barometric pressure sensor. Populated by bar_ils22qs_Read(); check IsDataValid before use. More...

Functions
int8_t	bar_ils22qs_Is (I2C_HandleTypeDef *hi2c, int8_t tryInit)
	Check if the ILPS22QS barometric pressure sensor is present on the I2C bus.
HAL_StatusTypeDef	bar_ils22qs_Init (I2C_HandleTypeDef *hi2c)
	Initialise the ILPS22QS sensor and verify it is present on the I2C bus. The sensor is put into low-power standby mode after verification.
HAL_StatusTypeDef	bar_ils22qs_On (I2C_HandleTypeDef *hi2c)
	turn on sensor
HAL_StatusTypeDef	bar_ils22qs_Off (I2C_HandleTypeDef *hi2c)
	turn off sensor
HAL_StatusTypeDef	bar_ils22qs_Read (I2C_HandleTypeDef *hi2c)
	read value from sensor, pressure and temperature. Sensor must be turned on before
void	bar_ils22qs_LogData (char *buf)
	log data to buffer

Variables
bar_ils22qs_t	_bar_ils22qsData
	Live measurement data from the ILPS22QS sensor; updated by bar_ils22qs_Read().
bar_ils22qs_t	_bck_bar_ils22qsData
	Snapshot copy of the last completed ILPS22QS measurement; used for LoRaWAN transmission.

Function Documentation

bar_ils22qs_Init()

HAL_StatusTypeDef bar_ils22qs_Init

(

I2C_HandleTypeDef *

hi2c

)

Initialise the ILPS22QS sensor and verify it is present on the I2C bus. The sensor is put into low-power standby mode after verification.

Parameters

hi2c	Pointer to the I2C handle.

Return values

HAL_OK	– sensor found and initialised successfully.
HAL_ERROR	– sensor not detected on the bus or initialisation failed.

Definition at line 101 of file bar_ils22qs.c.

References _isBarometer, bar_ils22qs_Off(), bar_ils22qs_On(), I2C_IsDeviceReadyMT(), ILPS22QS_I2C_ADDR, ILPS22QS_ID, and REG_WHO_AM_I.

Referenced by bar_ils22qs_Is().

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bar_ils22qs_Is()

int8_t bar_ils22qs_Is	(	I2C_HandleTypeDef *	hi2c,
		int8_t	tryInit )

Check if the ILPS22QS barometric pressure sensor is present on the I2C bus.

Parameters

hi2c	Pointer to the I2C handle.
tryInit	1 – attempt to (re-)initialise if not yet done; 0 – no retry.

Return values

1	– sensor is present and initialised.
0	– sensor not detected.

Definition at line 67 of file bar_ils22qs.c.

References _isBarometer, and bar_ils22qs_Init().

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bar_ils22qs_LogData()

void bar_ils22qs_LogData

(

char *

buf

)

log data to buffer

Definition at line 206 of file bar_ils22qs.c.

References _bar_ils22qsData, PRIf_02, and PRIf_02D.

bar_ils22qs_Off()

HAL_StatusTypeDef bar_ils22qs_Off

(

I2C_HandleTypeDef *

hi2c

)

turn off sensor

Return values

HAL_OK,HAL_ERROR

Definition at line 94 of file bar_ils22qs.c.

References barometer_onOff().

Referenced by bar_ils22qs_Init().

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bar_ils22qs_On()

HAL_StatusTypeDef bar_ils22qs_On

(

I2C_HandleTypeDef *

hi2c

)

turn on sensor

Return values

HAL_OK,HAL_ERROR

Definition at line 74 of file bar_ils22qs.c.

References _bar_ils22qsData, _memsMainBlock, barometer_onOff(), and mems_WriteMainBlock().

Referenced by bar_ils22qs_Init().

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bar_ils22qs_Read()

HAL_StatusTypeDef bar_ils22qs_Read

(

I2C_HandleTypeDef *

hi2c

)

read value from sensor, pressure and temperature. Sensor must be turned on before

Return values

HAL_OK

- have data, HAL_BUSY - next reading in progress, HAL_TIMEOUT - sensor is not turned on HAL_ERROR - error

Definition at line 129 of file bar_ils22qs.c.

References _bar_ils22qsData, _isBarometer, _systemParams, _tmphm_sht45Data, bar_ils22qs_IsOn(), ILPS22QS_I2C_ADDR, REG_PRESS_OFFSET, and REG_PRESS_OUT_XL.

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Variable Documentation

_bar_ils22qsData

bar_ils22qs_t _bar_ils22qsData

extern

Live measurement data from the ILPS22QS sensor; updated by bar_ils22qs_Read().

Definition at line 31 of file bar_ils22qs.c.

Referenced by bar_ils22qs_LogData(), bar_ils22qs_On(), bar_ils22qs_Read(), and sensors_CopyToBck().

_bck_bar_ils22qsData

bar_ils22qs_t _bck_bar_ils22qsData

extern

Snapshot copy of the last completed ILPS22QS measurement; used for LoRaWAN transmission.

Definition at line 32 of file bar_ils22qs.c.

Referenced by sensors_CayennelFromBckData(), sensors_CopyToBck(), sensors_ReadToBckFromDataBlock(), and sensors_WriteFromBckToDataBlock().