private static void Initialize()
{
mSerialPort = new SerialPort()
{
PortName = PortName,
BaudRate = BaudRate,
Parity = Parity,
DataBits = DataBits,
StopBits = StopBits,
DtrEnable = DtrEnable,
RtsEnable = RtsEnable,
Handshake = Handshake,
ReadTimeout = ReadTimeOut,
WriteTimeout = WriteTimeOut,
ReadBufferSize = 4096,
WriteBufferSize = 8192,
//WriteBufferSize = 2,
//ReceivedBytesThreshold = 1,
Encoding = System.Text.Encoding.GetEncoding(28591),
};
mSerialPort.DataReceived += new SerialDataReceivedEventHandler(mSerialPort_DataReceived);
//mWebClient = new WebClient();
//_TcpClient = new TcpClient();
_TcpClientHandler = new TcpClientHandler(mSerialPort);
}
private static void Terminate()
{
if (mSerialPort != null)
{
if (mSerialPort.IsOpen == true)
{
mSerialPort.DiscardOutBuffer();
mSerialPort.DiscardInBuffer();
mSerialPort.Close();
}
mSerialPort.Dispose();
mSerialPort = null;
}
//if (mWebClient != null)
//{
// if (mWebClient.IsBusy == true)
// {
// mWebClient.CancelAsync();
// }
// mWebClient.Dispose();
// mWebClient = null;
//}
//if (_TcpClient != null)
//{
// try
// {
// _TcpClient.Close();
// }
// catch { }
// _TcpClient = null;
//}
if (_TcpClientHandler != null)
{
try
{
_TcpClientHandler.Close();
}
catch { }
_TcpClientHandler = null;
}
}
static void ProcessReceiveResults(IAsyncResult ar)
{
TcpClientHandler TCH = (TcpClientHandler)ar.AsyncState;
try
{
int BytesRead = 0;
BytesRead = TCH.TcpClient.GetStream().EndRead(ar);
//Console.WriteLine("Connection received " + BytesRead.ToString() + " byte(s).");
if (BytesRead == 0)
{
//Console.WriteLine("Connection is closing.");
//NSH.NetworkStream.Close();
TCH.Close();
DateTime dtEnd = DateTime.Now;
TCH.SerialPort.Write(Environment.NewLine);
TCH.SerialPort.Write("NO CARRIER (" + (dtEnd - TCH.dtStart).ToString(@"hh\:mm\:ss") + ")");
TCH.SerialPort.Write(Environment.NewLine);
return;
}
else
{
//string Data = Encoding.ASCII.GetString(TCH.Buffer);
string Data = System.Text.Encoding.GetEncoding(28591).GetString(TCH.Buffer);
//switch (Data)
//{
// case "ABC":
// byte[] Buffer = Encoding.ASCII.GetBytes("mostly sunny");
// NSH.NetworkStream.Write(Buffer, 0, Buffer.Length);
// break;
//}
Console.Write(Data);
TCH.SerialPort.Write(Data);
}
TCH.Buffer = new byte[BufferSize];
TCH.TcpClient.GetStream().BeginRead(TCH.Buffer, 0, TCH.Buffer.Length, TCH.AsyncReceiveCallback, TCH);
}
catch (Exception e)
{
Console.WriteLine("Failed to read from a network stream with error: " + e.Message);
//TCH.NetworkStream.Close();
TCH.Close();
DateTime dtEnd = DateTime.Now;
TCH.SerialPort.Write(Environment.NewLine);
TCH.SerialPort.Write("NO CARRIER (" + (dtEnd - TCH.dtStart).ToString(@"hh\:mm\:ss") + ")");
TCH.SerialPort.Write(Environment.NewLine);
}
}
