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