Light
Handle operation on light sensor.
Usage
light
keyword is needed to instanciate this sting.
var light = require('light');
Data accessors
Methods
Events
Full Example
var light = require('light');
var recorder = require('recorder');
var dataResult = light.data();
var luminosityDetectedFilters = {
"period": exampleValue,
"above": exampleValue,
"under": exampleValue,
"delta": exampleValue
};
recorder.save({
'accuracy' : light.accuracy(),
'luminosity' : light.luminosity(),
'luminosityDelta' : light.luminosityDelta(),
'model' : light.model(),
'timestamp' : light.timestamp(),
'vendor' : light.vendor(),
'version' : light.version(),
'json' : light.data()
});
light.onLuminosityDetected(luminosityDetectedFilters, function(data) {
recorder.save(data);
recorder.sync();
});
accuracy
Retrieve the Sensor’s current accuracy.
accuracy();
Parameters
- None.
Return
- accuracy : SensorAccuracy, Sensor’s current accuracy
luminosity
Retrieve the Luminosity returned by the phone (lx).
luminosity();
Parameters
- None.
Return
- luminosity : Double, Luminosity returned by the phone (lx)
luminosityDelta
Retrieve the Difference between the last luminosity and the current one.
luminosityDelta();
Parameters
- None.
Return
- luminosityDelta : Double, Difference between the last luminosity and the current one
model
Retrieve the Sensor’s model name.
model();
Parameters
- None.
Return
- model : String, Sensor’s model name
timestamp
Retrieve the represents the time of the operation..
timestamp();
Parameters
- None.
Return
- timestamp : Long, represents the time of the operation.
vendor
Retrieve the Sensor’s vendor name.
vendor();
Parameters
- None.
Return
- vendor : String, Sensor’s vendor name
version
Retrieve the Version of this sensor.
version();
Parameters
- None.
Return
- version : Integer, Version of this sensor
data
Returns every available seed.
data();
Parameters
- None.
Returns
onLuminosityDetected
Starts a listener on the light luminosity and executes some actions when it changes.
onLuminosityDetected(filters, callback);
Parameters
- filters : JSON, defines the filters. Can be empty.
- callback : Method executed when event triggered, returns LightData object.
Return
- token : Token used for canceling event listener.