light.h File Reference

#include <ubuntu/visibility.h>
#include <stdint.h>

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Typedefs
typedef void	UASLightEvent
	Opaque type describing an ambient light sensor reading. More...

Functions
UBUNTU_DLL_PUBLIC uint64_t	uas_light_event_get_timestamp (UASLightEvent *event)
	Query the timestamp of the sensor reading. More...
UBUNTU_DLL_PUBLIC UStatus	uas_light_event_get_light (UASLightEvent *event, float *value)
	Query the value measured by the ambient light sensor. More...

Typedef Documentation

typedef void UASLightEvent

Opaque type describing an ambient light sensor reading.

Definition at line 34 of file light.h.

Function Documentation

UBUNTU_DLL_PUBLIC UStatus uas_light_event_get_light	(	UASLightEvent *	event,
		float *	value
	)

Query the value measured by the ambient light sensor.

Returns

The ambient light level.

Parameters

[in]

event

The reading to be queried.

UBUNTU_DLL_PUBLIC uint64_t uas_light_event_get_timestamp

(

UASLightEvent *

event

)

Query the timestamp of the sensor reading.

Returns

The timestamp of the sensor reading in [µs], timebase: monotonic clock.

Parameters

[in]

event

The reading to be queried.