twr_tag_barometer

Driver for HARDWARIO Barometer Module. More...

Typedefs
typedef twr_mpl3115a2_t	twr_tag_barometer_t
	HARDWARIO Barometer Module instance.

Enumerations
enum	twr_tag_barometer_event_t {   TWR_TAG_BAROMETER_EVENT_ERROR = TWR_MPL3115A2_EVENT_ERROR ,   TWR_TAG_BAROMETER_EVENT_UPDATE = TWR_MPL3115A2_EVENT_UPDATE }
	Callback events. More...

Functions
void	twr_tag_barometer_init (twr_tag_barometer_t *self, twr_i2c_channel_t i2c_channel)
	Initialize HARDWARIO Barometer Module. More...
void	twr_tag_barometer_set_event_handler (twr_tag_barometer_t *self, void(*event_handler)(twr_tag_barometer_t *, twr_tag_barometer_event_t, void *), void *event_param)
	Set callback function. More...
void	twr_tag_barometer_set_update_interval (twr_tag_barometer_t *self, twr_tick_t interval)
	Set measurement interval. More...
bool	twr_tag_barometer_measure (twr_tag_barometer_t *self)
	Start measurement manually. More...
bool	twr_tag_barometer_get_altitude_meter (twr_tag_barometer_t *self, float *meter)
	Get measured altitude in meters. More...
bool	twr_tag_barometer_get_pressure_pascal (twr_tag_barometer_t *self, float *pascal)
	Get measured pressure in Pascal. More...

Detailed Description

Driver for HARDWARIO Barometer Module.

Enumeration Type Documentation

twr_tag_barometer_event_t

enum twr_tag_barometer_event_t

Callback events.

Enumerator
TWR_TAG_BAROMETER_EVENT_ERROR	Error event.
TWR_TAG_BAROMETER_EVENT_UPDATE	Update event.

Definition at line 12 of file twr_tag_barometer.h.

Function Documentation

twr_tag_barometer_get_altitude_meter()

bool twr_tag_barometer_get_altitude_meter	(	twr_tag_barometer_t *	self,
		float *	meter
	)

Get measured altitude in meters.

Parameters

[in]	self	Instance
[in]	meter	Pointer to variable where result will be stored

Returns

true When value is valid

false When value is invalid

Definition at line 23 of file twr_tag_barometer.c.

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twr_tag_barometer_get_pressure_pascal()

bool twr_tag_barometer_get_pressure_pascal	(	twr_tag_barometer_t *	self,
		float *	pascal
	)

Get measured pressure in Pascal.

Parameters

[in]	self	Instance
[in]	pascal	Pointer to variable where result will be stored

Returns

true When value is valid

false When value is invalid

Definition at line 28 of file twr_tag_barometer.c.

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twr_tag_barometer_init()

void twr_tag_barometer_init	(	twr_tag_barometer_t *	self,
		twr_i2c_channel_t	i2c_channel
	)

Initialize HARDWARIO Barometer Module.

Parameters

[in]	self	Instance
[in]	i2c_channel	I2C channel

Definition at line 3 of file twr_tag_barometer.c.

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twr_tag_barometer_measure()

bool twr_tag_barometer_measure

(

twr_tag_barometer_t *

self

)

Start measurement manually.

Parameters

[in]

self

Instance

Returns

true On success

false When other measurement is in progress

Definition at line 18 of file twr_tag_barometer.c.

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twr_tag_barometer_set_event_handler()

void twr_tag_barometer_set_event_handler	(	twr_tag_barometer_t *	self,
		void(*)(twr_tag_barometer_t *, twr_tag_barometer_event_t, void *)	event_handler,
		void *	event_param
	)

Set callback function.

Parameters

[in]	self	Instance
[in]	event_handler	Function address
[in]	event_param	Optional event parameter (can be NULL)

Definition at line 8 of file twr_tag_barometer.c.

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twr_tag_barometer_set_update_interval()

void twr_tag_barometer_set_update_interval	(	twr_tag_barometer_t *	self,
		twr_tick_t	interval
	)

Set measurement interval.

Parameters

[in]	self	Instance
[in]	interval	Measurement interval

Definition at line 13 of file twr_tag_barometer.c.

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