public static void TransmitData(SerialPortHandler handler, string filePath)
{
// Setting the reference to serial port object
port = handler._mainSerialPort;
// Pretty important to make reset the sequence number!
seq = 1;
// Read the data to be transmitted and store it in an array
transmitData = FileIO.Read("inputData.txt");
// Open the port if not done already.
if (!port.IsOpen)
{
port.Open();
}
try
{
// First wait for NAK or C symbol from receiver to begin transmission
Sym protocolMode = WaitForAny(10);
if (protocolMode == Sym.NAK || protocolMode == Sym.C)
{
Console.WriteLine("Received " + protocolMode.ToString());
// Reset the data byte offset and start transmission
offset = 0;
Console.WriteLine("transmitData length: " + transmitData.Length);
while (offset < transmitData.Length)
{
Console.WriteLine("offset: " + offset);
TransmitPacket(protocolMode);
}
PortWriteByte((byte)Sym.EOT);
Console.WriteLine("EOT transmitted.");
if (WaitForSym(Sym.ACK, 10))
{
Console.WriteLine("Succesfully sent " + (offset / 128 + 1) + " packets!");
}
}
}
// If there is timeout in the WaitForSym - print out the message
catch (TimeoutException e)
{
Console.Error.WriteLine(e.Message);
}
}
static void Main(string[] args)
{
//byte[] data = { 0x07, 0x5B, 0xCD, 0x15 };
////byte[] data = { 0x01, 0x02 };
//ShiftRegister register = new ShiftRegister(data, true, 0x1021);
//ushort output = register.CalcCRC_16();
//Console.WriteLine("Crc output: " + output);
//byte[] decodeData = { 0x07, 0x5B, 0xCD, 0x15, (byte)(output >> 8), (byte)output };
//register = new ShiftRegister(decodeData, false, 0x1021);
//ushort decode = register.CalcCRC_16();
//Console.WriteLine("Decoded: " + decode);
int protocolMode = 0;
string[] transmissionModes = { "Send Data", "Receive Data" };
int transmissionMode = SmartConsoleInput.ListSelectIndex(" < > Select transmission mode: ", transmissionModes,
">< Make a selection, then press enter ><");
if (transmissionMode == 1)
{
string[] protocolModes = { "Xmodem", "CRC-Xmodem" };
protocolMode = SmartConsoleInput.ListSelectIndex(" < > Select protocol mode: ", protocolModes,
">< Make a selection, then press enter ><");
}
SerialPortHandler portHandler = SerialPortHandler.InitializeSerialPort();
if (transmissionMode == 0)
{
XModem.TransmitData(portHandler, "inputData.txt");
}
else if (transmissionMode == 1)
{
XModem.ReceiveData(portHandler, "outputData.txt", protocolMode);
}
else
{
throw new Exception("Bad transmission mode selected.");
}
}
static void Main(string[] args)
{
SerialPortHandler portHandler = SerialPortHandler.InitializeSerialPort();
serialPort = portHandler._mainSerialPort;
serialPort.DtrEnable = true;
serialPort.RtsEnable = true;
serialPort.Open();
serialPort.DataReceived += DataReceivedHandler;
Console.Clear();
Console.SetCursorPosition(lastSendPos, 1);
Console.BackgroundColor = ConsoleColor.Cyan;
Console.ForegroundColor = ConsoleColor.Black;
Console.WriteLine("Data sent:");
Console.SetCursorPosition(lastSendPos, 3);
Console.BackgroundColor = ConsoleColor.Green;
Console.ForegroundColor = ConsoleColor.White;
Console.WriteLine("Data received:");
DataSender();
}
public static void ReceiveData(SerialPortHandler handler, string filePath, int mode)
{
Sym protocolMode;
if (mode == 0)
{
protocolMode = Sym.NAK;
}
else if (mode == 1)
{
protocolMode = Sym.C;
}
else
{
throw new Exception("Bad protocol mode!");
}
// Setting the reference to serial port object
port = handler._mainSerialPort;
// Pretty important to make reset the sequence number!
seq = 1;
// Read the data to be transmitted and store it in an array
receivedData = new Queue <byte>();
// Open the port if not done already.
if (!port.IsOpen)
{
port.Open();
}
//Transmission initialization
try
{
InitReceiver(10, 10, protocolMode);
//Start receiving packets
Sym status;
do
{
status = ReceivePacket(10, protocolMode);
if (status != Sym.EOT)
{
Console.WriteLine("Sent symbol: " + status.ToString());
PortWriteByte((byte)status);
}
} while (status != Sym.EOT);
PortWriteByte((byte)Sym.ACK);
//Save data to file
using (StreamWriter file = new StreamWriter(filePath))
{
char buffer;
do
{
buffer = (char)receivedData.Dequeue();
if (buffer != 0)
{
file.Write(buffer);
}
} while (receivedData.Count > 0);
}
}
catch (TimeoutException e)
{
Console.WriteLine(e.Message);
return;
}
}
