getAllControllers method
Get controller data of all controllers.
Implementation
List<RGBController> getAllControllers() {
if (_controllerCount == 0) {
_controllerCount = getControllerCount();
}
final controllers = <RGBController>[];
for (int i = 0; i < _controllerCount; i++) {
controllers.add(getControllerData(i));
}
return controllers;
}