/// <summary>
        /// �ڲ����ڴ����շ��Ķ����߳�
        /// �����ڲ�ʵ��ͬ���շ�
        /// </summary>
        private void DealwithCommunicationRoute()
        {
            while (!_StopTheadFlag)
            {
                if (_DataBlockQueue.QueueLength == 0)
                {
                    Thread.Sleep(20);
                    continue;
                }

                FxCommandArgs arg = _DataBlockQueue.Pick();
                if (arg == null)
                {
                    continue;
                }

                FxCommandResponse result = _SerialDeamon.Send(arg.ChannelNo, arg.Data, arg.Data.Length);

                if (result.ResultCode == ResultCodeConst.rcFailt)
                {
                    // �������ʧ�ܣ����ۼ���ʧ��ʱ�䣬����E�ʱֵ����Ҫ��UI�������з���
                    if (DateTime.Now.Subtract(_FirstFailtTime).TotalSeconds > 30)
                    {
                        _FirstFailtTime = DateTime.Now;
                    }
                    else if (_FirstFailtTime == DateTime.MaxValue)
                    {
                        _FirstFailtTime = DateTime.Now;
                    }
                }
                else if (result != null)
                {
                    _FirstFailtTime = DateTime.MaxValue;

                    switch (arg.Cmd)
                    {
                    case 1:                                                         // �����...
                        break;

                    default:
                        break;
                    }
                }
                else
                {
                }

                if (_WaitHandle != null)
                {
                    arg.Result = result;
                    _WaitHandle.Set();
                }

                //if (arg.OnSendHandle != null) {
                //    arg.OnSendHandle.OnPackageRecived(result);
                //}
            }
            System.Diagnostics.Debug.Assert(false, "�˳��߳��ˣ���");
            _Thead = null;
        }
Example #2
0
        /// <summary>
        /// 同步发送命令,并等待返回
        /// 函数内部实现发送队列、以及超时机制
        /// </summary>
        /// <param name="response">命令字</param>
        /// <param name="channelNo">通道号,默认0</param>
        /// <param name="cmdData">命令内容,以 0xAA,0xCC,0x83 开头的byte[] </param>
        /// <param name="timeout">最大超时设定</param>
        public FxCommandResponse SendCall(short cmd, byte channelNo, byte[] cmdData, TimeSpan timeout)
        {
            if (cmdData == null)                            // 如果命令没有构造,则默认构造无参数的命令
            {
                FxCommandResponse prm = new FxCommandResponse(ResultCodeConst.rcNotSettting, cmdData);
                //cmdData = _CommanderHelper.MakeSmart(response, targetPort, prm);
            }

            FxCommandArgs arg = new FxCommandArgs(cmd, cmdData, channelNo);

            return(SendCall(arg, timeout));
        }
        public FxCommandResponse Send(short channelNo, byte[] dataBuff, int dataSize, ICellDataType responseDataType)
        {
            byte[]            resultBuff = null;
            FxCommandResponse result     = new FxCommandResponse(ResultCodeConst.rcNotSettting, null, responseDataType);

            if (!_SerialPort.IsOpen)
            {
                return(result);
            }

            if (_SerialPort.BytesToWrite > 0)
            {
                //MyApp._LogWriter.WriteLine("准备写串口前,发现写缓冲中尚存{0}字节没有发出!", _SerialPort.BytesToWrite);
            }

            int reReadTimes = 0;                                                        // 重读次数

            _SerialPort.Write(dataBuff);

            System.Threading.Thread.Sleep(1);

            _RingBuffer.Clear();

            // 读取数据,直到得到完整报文或超时
            reReadTimes = 0;
            while (reReadTimes < MAX_RETRY_READ_COUNT)                                  // 连续超时指定次数,则不再等待
            {
                byte[] data = new byte[256];
                int    len  = _SerialPort.Read(data, 0, data.Length);

                if (len > 0)
                {
                    reReadTimes = 0;
                    _RingBuffer.Append(data, 0, len);

                    resultBuff = _RingBuffer.PickPackage();

                    if (resultBuff != null)
                    {
                        break;
                    }
                }
                else
                {
                    reReadTimes++;
                    System.Threading.Thread.Sleep(TimeSpan.FromMilliseconds(1));
                }
            }

            // 处理收到的数据
            if (resultBuff == null)
            {
                result.ResultCode = ResultCodeConst.rcFailt;
                Debug.Print("发送命令超时候仍没有收到FX PLC的合法响应.");
            }
            else if (resultBuff.Length == 1)
            {
                result.ResultCode = (ResultCodeConst)resultBuff[0];
            }
            else
            {
                result.ResultCode = ResultCodeConst.rcSuccess;

                List <int> valuelist;
                FxCommandHelper.ParseSmart(resultBuff, 0, responseDataType, out valuelist);

                result.SetResponseValue(valuelist);
                result.SetRawData(resultBuff);
            }

            return(result);
        }
Example #4
0
        public FxCommandResponse Send(short channelNo, byte[] dataBuff, int dataSize, ICellDataType responseDataType)
        {
            byte[]            resultBuff = null;
            FxCommandResponse result     = new FxCommandResponse(ResultCodeConst.rcNotSettting, null, responseDataType);

            if (!_SerialPort.IsOpen)
            {
                return(result);
            }

            if (_SerialPort.BytesToWrite > 0)
            {
                //MyApp._LogWriter.WriteLine("׼��д����ǰ������д�������д�{0}�ֽ�û�з�����", _SerialPort.BytesToWrite);
            }

            int reReadTimes = 0;                                                        // �ض�����

            _SerialPort.Write(dataBuff);

            System.Threading.Thread.Sleep(1);

            _RingBuffer.Clear();

            // ��ȡ���ݣ�ֱ���õ�́E����Ļ�ʱ
            reReadTimes = 0;
            while (reReadTimes < MAX_RETRY_READ_COUNT)
            {                                // ������ʱָ�����������ٵȴ�
                byte[] data = new byte[256];
                int    len  = _SerialPort.Read(data, 0, data.Length);

                if (len > 0)
                {
                    reReadTimes = 0;
                    _RingBuffer.Append(data, 0, len);

                    resultBuff = _RingBuffer.PickPackage();

                    if (resultBuff != null)
                    {
                        break;
                    }
                }
                else
                {
                    reReadTimes++;
                    System.Threading.Thread.Sleep(TimeSpan.FromMilliseconds(1));
                }
            }

            // �����յ�������
            if (resultBuff == null)
            {
                result.ResultCode = ResultCodeConst.rcFailt;
                Debug.Print("����ÁE�Ϭʱ����û���յ�FX PLC�ĺϷ�ρE�.");
            }
            else if (resultBuff.Length == 1)
            {
                result.ResultCode = (ResultCodeConst)resultBuff[0];
            }
            else
            {
                result.ResultCode = ResultCodeConst.rcSuccess;

                List <int> valuelist;
                FxCommandHelper.ParseSmart(resultBuff, 0, responseDataType, out valuelist);

                result.SetResponseValue(valuelist);
                result.SetRawData(resultBuff);
            }

            return(result);
        }