Beispiel #1
0
        private VicarMessage _SendRequest(byte command, byte[] data, bool waitForResponse)
        {
            VicarMessage ret = null;
            var          seq = _GetNextSequence();

            _WriteMessage(command, seq, data);

            if (waitForResponse)
            {
                var timeout = DateTime.Now.AddMilliseconds(_REQUEST_TIMEOUT_MS);

                do
                {
                    lock (_receivedMessages)
                    {
                        ret = _receivedMessages.Where(t => t.Command == command && t.Sequence == seq).FirstOrDefault();
                        if (ret != null)
                        {
                            _receivedMessages.Remove(ret);
                        }
                    }

                    Thread.Sleep(_SLEEP_MS);
                } while (ret == null && DateTime.Now < timeout);
            }

            if (waitForResponse && ret == null)
            {
                throw new VicarException(string.Format("Request '{0}' timed out",
                                                       ASCIIEncoding.ASCII.GetChars(new byte[] { command }).First()));
            }

            return(ret);
        }
Beispiel #2
0
 private void _VerifyResponseLength(VicarMessage message, int length)
 {
     if (message != null)
     {
         var received = message.Data != null ? message.Data.Length : 0;
         if (received < length)
         {
             throw new VicarException(string.Format("Invalid response length; expected {0}, received {1}",
                                                    length, received));
         }
     }
     else
     {
         throw new VicarException("No response specified");
     }
 }
Beispiel #3
0
 private void _VerifyResponseLength(VicarMessage message, int length)
 {
     if (message != null)
       {
     var received = message.Data != null ? message.Data.Length : 0;
     if (received < length)
     {
       throw new VicarException(string.Format("Invalid response length; expected {0}, received {1}",
     length, received));
     }
       }
       else
       {
     throw new VicarException("No response specified");
       }
 }
Beispiel #4
0
        private bool _HandleIncomingMessage(VicarMessage msg)
        {
            bool ret;

              switch (msg.Command)
              {
            case (byte)'S':
              {
            ret = true;
            _status = (PeripheralStatus)msg.Data.FirstOrDefault();
            break;
              }

            case (byte)'I':
              {
            ret = true;
            if (IncomingDataReceived != null)
            {
              IncomingDataReceived(this, new IncomingDataEventArgs((VicarErrorCode)msg.Data[2],
                msg.Data[0], msg.Data[1], msg.Data.Skip(3).ToArray()));
            }

            break;
              }

            case (byte)'T':
              {
            ret = true;
            var id = Utilities.ToLittleEndianUint(msg.Data, 0);
            if (_urbs.ContainsKey(id))
            {
              _urbs[id].ReceivedData.Add(msg.Data.Skip(6).ToArray());
            }

            break;
              }

            case (byte)'B':
              {
            ret = true;
            var id = Utilities.ToLittleEndianUint(msg.Data, 0);
            var transferred = Utilities.ToLittleEndianUint(msg.Data, 5);
            _MarkUrbComplete(id, (int)transferred);

            if (TransferCompleted != null)
            {
              TransferCompleted(this, new TransferCompleteEventArgs(id,
                msg.Data[4], transferred));
            }

            break;
              }

            default:
              {
            ret = false;
            break;
              }
              }

              return ret;
        }
Beispiel #5
0
        private bool _HandleIncomingMessage(VicarMessage msg)
        {
            bool ret;

            switch (msg.Command)
            {
            case (byte)'S':
            {
                ret     = true;
                _status = (PeripheralStatus)msg.Data.FirstOrDefault();
                break;
            }

            case (byte)'I':
            {
                ret = true;
                if (IncomingDataReceived != null)
                {
                    IncomingDataReceived(this, new IncomingDataEventArgs((VicarErrorCode)msg.Data[2],
                                                                         msg.Data[0], msg.Data[1], msg.Data.Skip(3).ToArray()));
                }

                break;
            }

            case (byte)'T':
            {
                ret = true;
                var id = Utilities.ToLittleEndianUint(msg.Data, 0);
                if (_urbs.ContainsKey(id))
                {
                    _urbs[id].ReceivedData.Add(msg.Data.Skip(6).ToArray());
                }

                break;
            }

            case (byte)'B':
            {
                ret = true;
                var id          = Utilities.ToLittleEndianUint(msg.Data, 0);
                var transferred = Utilities.ToLittleEndianUint(msg.Data, 5);
                _MarkUrbComplete(id, (int)transferred);

                if (TransferCompleted != null)
                {
                    TransferCompleted(this, new TransferCompleteEventArgs(id,
                                                                          msg.Data[4], transferred));
                }

                break;
            }

            default:
            {
                ret = false;
                break;
            }
            }

            return(ret);
        }