// Serialization of Int16
public static byte[] SerializeUInt16(UInt16 valueToSerialize)
{
// 1 or 2 bits for config (lsb)
// x1 - stored in this byte (on rest 7 bits)
// 00 - has default value 0
// 10 - stored in next few bytes - then next 2 bits says on how many bytes the value has been stored
// Case: 00 - default value
if (valueToSerialize == 0)
{
return new byte[1] {
0
}
}
;
// Case 1 - value can be stored in configuration byte (on 7 bits => range 1-128 encoded as 0-127)
if (valueToSerialize > 0 && valueToSerialize < 129)
{
return(new byte[1] {
(byte)(0x01 | (byte)((valueToSerialize - 1)) << 1)
});
}
// Case 01 - stored in next few bytes - then next 2 bits says on how many bytes the value has been stored
List <byte> result = new List <byte>(); // Buffer for data
// Encode value
byte[] encodedValue = BitToolkit.ConvertInt16ToByteArray((Int16)valueToSerialize);
// Prepare config byte
byte config = (byte)(0x02 | (byte)((encodedValue.Length + 1)) << 2);
// Store values in buffer
result.Add(config);
result.AddRange(encodedValue);
// Return result
return(result.ToArray());
}
// Serialization
public void Serialize(UInt16 valueToSerialize)
{
// Is it default value
if (valueToSerialize == 0)
{
SerializerStorage.WriteStorageFormat(new DefaultValue());
return;
}
// Should we store value in main data stream?
if (valueToSerialize > 0 && valueToSerialize <= ValueInConfig.MaxValueToStoreInConfig)
{
// We can store value in config
SerializerStorage.WriteStorageFormat(new ValueInConfig(valueToSerialize));
}
else
{
byte[] packedData = BitToolkit.ConvertInt16ToByteArray((Int16)valueToSerialize);
SerializerStorage.WriteStorageFormat(new ValueInDataStream((byte)packedData.Length));
SerializerStorage.WritePackedData(packedData);
}
}
