//Done
public static TransmittedData ReceiveData(SerialPort serialPort)
{
TransmittedData recievedData = new TransmittedData(0, 0, new byte[5000000]);
HeaderFormat header;
BodyFormat body;
while (true)
{
Thread.Sleep(10);
try
{
header = ReceiveHeader(serialPort);
}
catch (Exception)
{
serialPort.DiscardInBuffer();
Debug.WriteLine("Wrong format Header");
continue;
}
if (!HeaderFormat.CheckHeaderCrc(header))
{
serialPort.DiscardInBuffer();
Debug.WriteLine("Wrong CRC Header");
continue;
}
if (header.PacketNum + 1 == TransmittedData.packetCounter)
{
serialPort.DiscardInBuffer();
Debug.WriteLine("Packet Number is invalid");
Send.SendACK(serialPort, TransmittedData.packetCounter);
}
Send.SendACK(serialPort, TransmittedData.packetCounter + 1);
if (header.Length == 0)
{
recievedData.MessageCode = header.MessageCode;
recievedData.Length = header.Length;
return(recievedData);
}
break;
}
while (true)
{
HeaderFormat recievedHeader;
try
{
body = ReceiveFullBody(serialPort, header.Length);
recievedHeader = new HeaderFormat(headerByteArrayCrutch);
}
catch (Exception)
{
serialPort.DiscardInBuffer();
Debug.WriteLine("Wrong format Header");
continue;
}
if (!BodyFormat.CheckBodyCrc(body.Data, body.Crc))
{
serialPort.DiscardInBuffer();
Debug.WriteLine("When receiving Full Data package, Header CRC is invalid");
continue;
}
if (recievedHeader.PacketNum + 1 == TransmittedData.packetCounter)
{
serialPort.DiscardInBuffer();
Debug.WriteLine("Packet Number is invalid");
Send.SendACK(serialPort, TransmittedData.packetCounter);
}
if (recievedHeader.Length == 0 || !BodyFormat.CheckBodyCrc(body.Data, body.Crc))
{
serialPort.DiscardInBuffer();
Debug.WriteLine("CRC of Full Body is invalid");
continue;
}
Send.SendACK(serialPort, TransmittedData.packetCounter + 1);
recievedData.MessageCode = recievedHeader.MessageCode;
recievedData.Length = recievedHeader.Length;
recievedData.Data = body.Data;
break;
}
TransmittedData.packetCounter++;
return(recievedData);
}
//dOnE
public static bool SendData(SerialPort serialPort, int transmissionCode, int length, byte[] body, int timeout = 1000)
{
HeaderFormat header;
serialPort.WriteTimeout = timeout;
while (true)
{
//bruh
Thread.Sleep(10);
//bruh
SendHeader(serialPort, transmissionCode, length, TransmittedData.packetCounter, timeout);
try
{
header = Receive.ReceiveHeader(serialPort);
}
catch (Exception)
{
serialPort.DiscardInBuffer();
Debug.WriteLine("Error occured, retrying in sendinng data Header");
continue;
}
if (!(HeaderFormat.CheckHeaderCrc(header)))
{
serialPort.DiscardInBuffer();
Debug.WriteLine("Header CRC is invalid");
continue;
}
if (header.PacketNum + 1 == TransmittedData.packetCounter)
{
serialPort.DiscardInBuffer();
Debug.WriteLine("Packet Number is invalid");
continue;
}
break;
}
TransmittedData.packetCounter++;
if (length == 0)
{
return(true);
}
while (true)
{
SendFullBody(serialPort, HeaderFormat.HeaderByteFormat(transmissionCode, length, TransmittedData.packetCounter), body);
try
{
header = Receive.ReceiveHeader(serialPort);
}
catch (Exception)
{
serialPort.DiscardInBuffer();
Debug.WriteLine("Error occured, retrying in sendinng Full Data");
continue;
}
if (!(HeaderFormat.CheckHeaderCrc(header)))
{
serialPort.DiscardInBuffer();
Debug.WriteLine("When receiving Full Data package, Header CRC is invalid");
continue;
}
if (header.PacketNum + 1 == TransmittedData.packetCounter)
{
serialPort.DiscardInBuffer();
Debug.WriteLine("Packet Number is invalid");
continue;
}
TransmittedData.packetCounter++;
return(true);
}
}
