public void sendCommand(CMD cmdID,int param){
  String cmd=createCommand(cmdID,param);
  if (cmd != null)   sendTelegram(cmd.toCharArray());
}

public void sendCommand ( CMD cmdID , int param ) { String cmd = createCommand ( cmdID , param ) ; if ( cmd != null ) sendTelegram ( cmd . toCharArray ( ) ) ; }
send command to elm adapter
