public void AddHeader(ref byte[] buffer)
{
// Add Function Code
UsefulMethods.InsertElementArray(ref buffer, 0, FunctionCode);
// Add Application Control
UsefulMethods.InsertElementArray(ref buffer, 0, ApplicationControl);
}
private static byte[] InsertBytes(byte[] buffer, ushort data)
{
byte lsb = (byte)(data & 0xFF);
byte hsb = (byte)((data >> 8) & 0xFF);
UsefulMethods.InsertElementArray(ref buffer, 0, hsb);
UsefulMethods.InsertElementArray(ref buffer, 0, lsb);
return(buffer);
}
public void serialize(ref byte[] buffer)
{
// Add Header
byte header = 0;
header |= (byte)(FIN << 7);
header |= (byte)(FIR << 6);
header |= seq;
UsefulMethods.InsertElementArray(ref buffer, 0, header);
}
private UInt16 GetInts(ref byte[] buffer)
{
if (buffer == null || buffer.Length == 0)
{
return(0);
}
byte lsb = UsefulMethods.RemoveHeader(ref buffer, 0);
byte hsb = UsefulMethods.RemoveHeader(ref buffer, 0);
var merged = (UInt16)((hsb << 8) + lsb);
return(merged);
}
public void deserialize(ref byte[] buffer)
{
if (buffer == null || buffer.Length == 0)
{
return;
}
// Extract Header
ApplicationControl = UsefulMethods.RemoveHeader(ref buffer, 0);
FunctionCode = UsefulMethods.RemoveHeader(ref buffer, 0);
// Set the data
ApplicationData = buffer;
}
public void deserialize(ref byte[] buffer)
{
if (buffer == null || buffer.Length == 0)
{
return;
}
// Extract Header
var transHeader = UsefulMethods.RemoveHeader(ref buffer, 0);
seq = (byte)(transHeader & 0x3F);
FIR = (byte)((transHeader >> 6) & 0x01);
FIN = (byte)((transHeader >> 7) & 0x01);
TransportData = buffer;
}
public void AddHeader(ref byte[] buffer)
{
// Add Crc
UInt16 Crc = GetCRC(ref buffer);
buffer = InsertBytes(buffer, Crc);
// Add src and dest
buffer = InsertBytes(buffer, source);
buffer = InsertBytes(buffer, destination);
// Add Control byte
UsefulMethods.InsertElementArray(ref buffer, 0, controlByte);
// Add Length
length = (byte)(buffer.Count()); // yet to add the start bytes but remove the CRC bytes
UsefulMethods.InsertElementArray(ref buffer, 0, length);
// Add Start Bytes
startBytes = 0x6405;
buffer = InsertBytes(buffer, startBytes);
}
public void deserialize(ref byte[] buffer)
{
// Extract Start bytes
startBytes = GetInts(ref buffer);
// Extract length
length = UsefulMethods.RemoveHeader(ref buffer, 0);
// Extract Control byte
controlByte = UsefulMethods.RemoveHeader(ref buffer, 0);
// Process Control byte
ProcessControlByte(controlByte);
// Extract destination
destination = GetInts(ref buffer);
//Extract Source
source = GetInts(ref buffer);
// Extract crc
crc = GetInts(ref buffer);
// Verify crc
bool verify = ValidateCRC(ref buffer, crc);
if (verify)
{
Console.WriteLine("verified data");
}
else
{
return;
}
}