private void _port_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
byte[] buffer = new byte[1];
if ((this._port.Read(buffer, 0, 1) != 0) && (this._dcpProtocolEngine.dataByteArrived(buffer[0], this._DCPRXMsg, this._DCPRecTimeout) == DCPRetCodes.DCP_OK))
{
if (((this._DCPRXMsg != null) && (this._DCPRXMsg.MsgType != 0x40)) && (this._DCPRXMsg.MsgType != 0x80))
{
DCPTelegram telegram = new DCPTelegram();
telegram.Data.copy(this._DCPRXMsg.Data, this._DCPRXMsg.Len - 2);
telegram.CmdSet = (CommandSet) this._DCPRXMsg.CmdSet;
telegram.MsgType = (MessageTypes) this._DCPRXMsg.MsgType;
this.pushTelegram(telegram, this._rxFifo, this._rxFifoMutex);
if (this.receiveEvent != null)
{
this.receiveEvent(DCPRetCodes.DCP_MSG_RECEIVED);
}
}
else
{
this._taskEvent.Set();
}
}
}
private void DeviceIOThread()
{
DCP_DLL.Utils.log(this, "DeviceIOThread ", "started...");
while (!this._terminateRequested)
{
Thread.Sleep(this._ThreadSleepTime);
DCPTelegram telegram = this.popTelegram(this._txFifo, this._txFifoMutex);
if (telegram != null)
{
DCPRetCodes codes;
if ((telegram.MsgType == MessageTypes.ACK) || (telegram.MsgType == MessageTypes.Nack))
{
codes = this._dcpProtocolEngine.AnswerToDCPMessage(telegram.Data, telegram.MsgType, telegram.CmdSet, this._DCPTXBuf, this._DCPRXMsg);
}
else
{
codes = this._dcpProtocolEngine.exchangeDCPMessage(telegram.Data, telegram.MsgType, telegram.CmdSet, this._DCPTXMsg, this._DCPAnswerMsg);
}
if (((codes == DCPRetCodes.DCP_OK_ACK) || (codes == DCPRetCodes.DCP_OK_NACK)) && (this._DCPRXMsg != null))
{
DCPTelegram telegram2 = new DCPTelegram();
telegram2.Data.copy(this._DCPAnswerMsg.Data, this._DCPAnswerMsg.Len - 2);
telegram2.CmdSet = (CommandSet) this._DCPAnswerMsg.CmdSet;
telegram2.MsgType = (MessageTypes) this._DCPAnswerMsg.MsgType;
this.pushTelegram(telegram2, this._respFifo, this._respFifoMutex);
}
this._transmitFinished = true;
this._transmitResult = codes;
if (this.transmitEvent != null)
{
this.transmitEvent(codes);
}
}
else if ((((this._dcpProtocolEngine != null) && (this._dcpProtocolEngine.checkIfSOFArrived() == DCPRetCodes.DCP_OK)) && ((this._dcpProtocolEngine.doRxDCP(this._DCPRecTimeout, this._DCPRXMsg) == DCPRetCodes.DCP_OK) && (this._DCPRXMsg != null))) && ((this._DCPRXMsg.MsgType != 0x40) && (this._DCPRXMsg.MsgType != 0x80)))
{
DCPTelegram telegram3 = new DCPTelegram();
telegram3.Data.copy(this._DCPRXMsg.Data, this._DCPRXMsg.Len - 2);
telegram3.CmdSet = (CommandSet) this._DCPRXMsg.CmdSet;
telegram3.MsgType = (MessageTypes) this._DCPRXMsg.MsgType;
this.pushTelegram(telegram3, this._rxFifo, this._rxFifoMutex);
if (this.receiveEvent != null)
{
this.receiveEvent(DCPRetCodes.DCP_MSG_RECEIVED);
}
}
}
DCP_DLL.Utils.log(this, "DeviceIOThread ", "smoothly exited...");
}
private void pushTelegram(DCPTelegram a_telegram, List<DCPTelegram> a_fifo, Mutex a_mutex)
{
a_mutex.WaitOne();
a_fifo.Add(a_telegram);
a_mutex.ReleaseMutex();
}
public DCPRetCodes transmitSync(CommandSet a_cmd, MessageTypes a_msgType, byte[] a_msg)
{
try
{
string str = Encoding.ASCII.GetString(a_msg, 0, a_msg.GetLength(0));
string str2 = a_cmd.ToString() + " " + a_msgType.ToString() + " msg: " + str;
DCP_DLL.Utils.log(this, "transmitSync ", str2);
this.checkPortAvailability();
this._transmitFinished = false;
DCPTelegram telegram = new DCPTelegram {
CmdSet = a_cmd,
MsgType = a_msgType
};
telegram.Data.copy(a_msg);
this.pushTelegram(telegram, this._txFifo, this._txFifoMutex);
while (!this._transmitFinished)
{
Thread.Sleep(this._ThreadSleepTime);
}
return this._transmitResult;
}
catch (Exception exception)
{
DCP_DLL.Utils.log(this, "transmitSync ", exception.Message);
return DCPRetCodes.DCP_FATAL;
}
}