Sensor Functions

Functions
int	maSensorStart (int sensor, int interval)
	Enables a sensor and starts sending events if the sensor is available. If the sensor is already enabled this call will have no effect.
int	maSensorStop (int sensor)
	Disables a sensor so that it doesn't send any further events.

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Function Documentation

int maSensorStart	(	int	sensor,
		int	interval
	)

Enables a sensor and starts sending events if the sensor is available. If the sensor is already enabled this call will have no effect.

Parameters:

sensor	The sensor which should be enabled. One of the SENSOR_TYPE constants.
interval	Time interval in which a sensor update shall be triggered. Can be one of the SENSOR_RATE constants or a time interval in milliseconds.

Returns:

SENSOR_ERROR_NONE on success. SENSOR_ERROR_NOT_AVAILABLE if this sensor wasn't available. SENSOR_ERROR_INTERVAL_NOT_SET if the interval wasn't set, could be due to platform limitations. SENSOR_ERROR_ALREADY_ENABLED if the sensor already was enabled.

See also:

EVENT_TYPE_SENSOR

References maIOCtl().

int maSensorStop

(

int

sensor

)

Disables a sensor so that it doesn't send any further events.

Parameters:

sensor

The sensor which should be disabled. One of the SENSOR_TYPE constants.

Returns:

SENSOR_ERROR_NONE on success. SENSOR_ERROR_NOT_ENABLED if this sensor wasn't enabled. SENSOR_ERROR_CANNOT_DISABLE if there was a problem disabling the sensor.

See also:

EVENT_TYPE_SENSOR

References maIOCtl().