init method
void
init()
Initialization of the listen and update of the controller and variables
Implementation
void init() {
_streamSubscriptions.add(magnetometerEvents.listen(
(MagnetometerEvent event) {
az = 90 - atan2(event.y, event.x) * 180 / pi;
_azController.sink.add(az);
az = az;
},
));
}