getControlChannel method
Implementation
Future<double> getControlChannel(String channelName) async {
Map<String, String> m = {
MessageTag.MESSAGE_TYPE: MessageType.GET_CONTROL_CHANNEL,
MessageTag.CHANNEL_NAME: channelName
};
ReceivePort rport = new ReceivePort();
_sendPort.send([m, rport.sendPort]);
double res = 0.0;
await for (var msg in rport) {
res = double.parse(msg[0][MessageTag.CONTROL_CHANNEL_VALUE]);
break;
}
rport.close();
return res;
}