public static void BuildMessagePacket(ref IFlMessage binMessage)
{
List <byte> packet = new List <byte>();
Type type;
byte length = BASE_LENGTH;
UInt16 crc;
IFlBinMessage binMsg = (IFlBinMessage)binMessage;
// TODO : Check message type(text).
// TODO : Check message category.
// TODO : Check DeviceID
// STX.
packet.Add(FlConstant.FL_BIN_MSG_STX);
// Device ID.
type = binMsg.Header.device_id.GetType();
packet.AddRange(InternalProtoUtil.BuildBinPacketForPrimitiveArgument(binMsg.Header.device_id, Type.GetTypeCode(type)));
// Length
packet.Add(length);
// Message ID.
packet.Add((byte)binMsg.Header.message_id);
// Flag1
packet.Add(binMsg.Header.flag1.BitField1);
// Flag2
packet.Add(binMsg.Header.flag2.BitField1);
// Arguments
if (binMessage.Arguments?.Count > 0)
{
foreach (object arg in binMessage.Arguments)
{
type = arg.GetType();
packet.AddRange(InternalProtoUtil.BuildBinPacketForPrimitiveArgument(arg, Type.GetTypeCode(type)));
}
}
// Length value = ( current packet length + CRC(2 byte) + ETX(1 byte) )
// - ( STX(1 byte) + Device ID(4 byte) + Length(1 byte))
// => current packet length - 3
packet[LENGTH_FIELD_INDEX] = (byte)(packet.Count - 3);
// CRC16
crc = FlUtil.CRC16(packet, 1, packet.Count - 1);
packet.AddRange(InternalProtoUtil.BuildBinPacketForPrimitiveArgument(crc, crc.GetTypeCode()));
// ETX
packet.Add(FlConstant.FL_BIN_MSG_ETX);
binMsg.Buffer = packet.ToArray();
}
public static void BuildMessagePacket(ref IFlMessage txtMessage)
{
List <byte> packet = new List <byte>();
// TODO : Check message type(text).
// TODO : Check message category.
// Command string packet.
packet.AddRange(Encoding.ASCII.GetBytes(MessageIdToStringTable[txtMessage.MessageId]));
// Arguments.
if (txtMessage.Arguments?.Count > 0)
{
Type type;
// Delimiter for a command and a device ID.
packet.Add((byte)FlConstant.FL_TXT_MSG_ID_DEVICE_ID_DELIMITER);
for (int i = 0; i < txtMessage.Arguments.Count; i++)
{
type = txtMessage.Arguments[i].GetType();
if (InternalProtoUtil.IsPrimitiveTyps(type) == true)
{
packet.AddRange(InternalProtoUtil.BuildAsciiPacketForPrimitiveArgument(txtMessage.Arguments[i], Type.GetTypeCode(type)));
}
if (i != (txtMessage.Arguments.Count - 1))
{
// ','
packet.Add((byte)FlConstant.FL_TXT_MSG_ARG_DELIMITER);
}
}
}
// '\n'
packet.Add((byte)FlConstant.FL_TXT_MSG_TAIL);
txtMessage.Buffer = packet.ToArray();
}
