/// <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;
}
/// <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);
}
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);
}
