//Done
public static void SendHeader(SerialPort serialPort, int transmissionCode, int length, int packetNum, int timeout = 10000)
{
int curr_timeout = serialPort.WriteTimeout;
serialPort.WriteTimeout = timeout;
byte[] header = HeaderFormat.HeaderByteFormat(transmissionCode, length, packetNum);
serialPort.Write(header, 0, sizeof(int) * 4);
Debug.WriteLine($"Data header sended");
serialPort.WriteTimeout = curr_timeout;
}
//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);
}
}
//Done
public static void SendACK(SerialPort serialPort, int packetNum, int timeout = 10000)
{
byte[] rawData = HeaderFormat.HeaderByteFormat(Transmission.ACK, 0, packetNum);
serialPort.Write(rawData, 0, rawData.Length);
Debug.WriteLine("Acknowledge sended");
}
