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();
}
private unsafe bool MakeEventObject(FlBinMsgFullStruct fullMsg, ref IFlMessage message)
{
bool ret = false;
ushort receivedCrc = 0;
int crcDataLen = _bufPos - 4;
int crcStartIndex = _bufPos - 3;
List <object> arguments = null;
FlMessageId messageId = (FlMessageId)fullMsg.header.message_id;
switch (messageId)
{
case FlMessageId.ButtonEvent:
{
_crc16 = FlUtil.CRC16(_buf, 1, crcDataLen);
receivedCrc = BitConverter.ToUInt16(_buf, crcStartIndex);
if ((CompareCrc(_crc16, receivedCrc) == true) &&
(FlConstant.FL_BIN_MSG_ETX == _buf[_bufPos - 1]))
{
arguments = new List <object>()
{
fullMsg.payload[0], // Button number
fullMsg.payload[1] // Button value
};
ret = true;
}
}
break;
}
if (ret == true)
{
FlBinMessageEvent evt = new FlBinMessageEvent()
{
Arguments = arguments,
ReceiveTime = DateTime.UtcNow
};
evt.Header.device_id = fullMsg.header.device_id;
evt.Header.length = fullMsg.header.length;
evt.Header.message_id = (FlMessageId)fullMsg.header.message_id;
evt.Header.flag1 = fullMsg.header.flag1;
evt.Header.flag2 = fullMsg.header.flag2;
message = evt;
}
return(ret);
}
private unsafe bool MakeResponseObject(FlBinMsgFullStruct fullMsg, ref IFlMessage message)
{
bool ret = false;
ushort receivedCrc = 0;
int crcDataLen = _bufPos - 4;
int crcStartIndex = _bufPos - 3;
List <object> arguments = null;
FlMessageId messageId = (FlMessageId)fullMsg.header.message_id;
// Payload size = header.length - 6;
// stx header payload crc etx
// crc : header payload,
// crc data length = received bytes - stx(1) - crc(2) - etx(1)
switch (messageId)
{
case FlMessageId.ReadHardwareVersion:
case FlMessageId.ReadFirmwareVersion:
{
_crc16 = FlUtil.CRC16(_buf, 1, crcDataLen);
receivedCrc = BitConverter.ToUInt16(_buf, crcStartIndex);
if ((CompareCrc(_crc16, receivedCrc) == true) &&
(FlConstant.FL_BIN_MSG_ETX == _buf[_bufPos - 1]))
{
string hwVerString = Encoding.ASCII.GetString(fullMsg.payload, fullMsg.header.length - 6);
arguments = new List <object>()
{
hwVerString
};
ret = true;
}
}
break;
case FlMessageId.ReadGpio:
{
_crc16 = FlUtil.CRC16(_buf, 1, crcDataLen);
receivedCrc = BitConverter.ToUInt16(_buf, crcStartIndex);
if ((CompareCrc(_crc16, receivedCrc) == true) &&
(FlConstant.FL_BIN_MSG_ETX == _buf[_bufPos - 1]))
{
arguments = new List <object>()
{
fullMsg.payload[0], // GPIO number
fullMsg.payload[1] // GPIO value
};
ret = true;
}
}
break;
case FlMessageId.WriteGpio:
case FlMessageId.BootMode:
case FlMessageId.Reset:
{
_crc16 = FlUtil.CRC16(_buf, 1, crcDataLen);
receivedCrc = BitConverter.ToUInt16(_buf, crcStartIndex);
if ((CompareCrc(_crc16, receivedCrc) == true) &&
(FlConstant.FL_BIN_MSG_ETX == _buf[_bufPos - 1]))
{
ret = true;
}
}
break;
case FlMessageId.ReadTemperature:
case FlMessageId.ReadHumidity:
{
_crc16 = FlUtil.CRC16(_buf, 1, crcDataLen);
receivedCrc = BitConverter.ToUInt16(_buf, crcStartIndex);
if ((CompareCrc(_crc16, receivedCrc) == true) &&
(FlConstant.FL_BIN_MSG_ETX == _buf[_bufPos - 1]))
{
arguments = new List <object>()
{
fullMsg.payload[0], // Sensor number
BitConverter.ToDouble(_buf, _bufPos - 3 - sizeof(double)) // Sensor value
};
ret = true;
}
}
break;
case FlMessageId.ReadTempAndHum:
{
_crc16 = FlUtil.CRC16(_buf, 1, crcDataLen);
receivedCrc = BitConverter.ToUInt16(_buf, crcStartIndex);
if ((CompareCrc(_crc16, receivedCrc) == true) &&
(FlConstant.FL_BIN_MSG_ETX == _buf[_bufPos - 1]))
{
arguments = new List <object>()
{
fullMsg.payload[0], // Sensor number
BitConverter.ToDouble(_buf, _bufPos - 3 - sizeof(double) * 2), // Temperature
BitConverter.ToDouble(_buf, _bufPos - 3 - sizeof(double)) // Humidity
};
ret = true;
}
}
break;
}
if (ret == true)
{
FlBinMessageResponse response = new FlBinMessageResponse()
{
Arguments = arguments,
ReceiveTime = DateTime.UtcNow
};
response.Header.device_id = fullMsg.header.device_id;
response.Header.length = fullMsg.header.length;
response.Header.message_id = (FlMessageId)fullMsg.header.message_id;
response.Header.flag1 = fullMsg.header.flag1;
response.Header.flag2 = fullMsg.header.flag2;
message = response;
}
return(ret);
}
private unsafe bool MakeCommandObject(ref IFlMessage message)
{
bool ret = false;
int crcDataLen = _bufPos - 4;
int crcStartIndex = _bufPos - 3;
List <object> arguments = null;
FlMessageId messageId = FlMessageId.Unknown;
ushort receivedCrc = 0;
FlBinMsgFullStruct fullMsg = Marshal.PtrToStructure <FlBinMsgFullStruct>(_bufPtr);
messageId = (FlMessageId)fullMsg.header.message_id;
switch (messageId)
{
case FlMessageId.ReadHardwareVersion:
case FlMessageId.ReadFirmwareVersion:
case FlMessageId.Reset:
{
_crc16 = FlUtil.CRC16(_buf, 1, crcDataLen);
receivedCrc = BitConverter.ToUInt16(_buf, crcStartIndex);
if ((CompareCrc(_crc16, receivedCrc) == true) &&
(FlConstant.FL_BIN_MSG_ETX == _buf[_bufPos - 1]))
{
ret = true;
}
}
break;
case FlMessageId.ReadGpio:
{
_crc16 = FlUtil.CRC16(_buf, 1, crcDataLen);
receivedCrc = BitConverter.ToUInt16(_buf, crcStartIndex);
if ((CompareCrc(_crc16, receivedCrc) == true) &&
(FlConstant.FL_BIN_MSG_ETX == _buf[_bufPos - 1]))
{
arguments = new List <object>
{
fullMsg.payload[0] // GPIO number
};
ret = true;
}
}
break;
case FlMessageId.WriteGpio:
{
_crc16 = FlUtil.CRC16(_buf, 1, crcDataLen);
receivedCrc = BitConverter.ToUInt16(_buf, crcStartIndex);
if ((CompareCrc(_crc16, receivedCrc) == true) &&
(FlConstant.FL_BIN_MSG_ETX == _buf[_bufPos - 1]))
{
arguments = new List <object>
{
fullMsg.payload[0], // GPIO number
fullMsg.payload[1] // GPIO value
};
ret = true;
}
}
break;
case FlMessageId.ReadTemperature:
case FlMessageId.ReadHumidity:
case FlMessageId.ReadTempAndHum:
{
_crc16 = FlUtil.CRC16(_buf, 1, crcDataLen);
receivedCrc = BitConverter.ToUInt16(_buf, crcStartIndex);
if ((CompareCrc(_crc16, receivedCrc) == true) &&
(FlConstant.FL_BIN_MSG_ETX == _buf[_bufPos - 1]))
{
arguments = new List <object>
{
fullMsg.payload[0] // Sensor number
};
ret = true;
}
}
break;
case FlMessageId.BootMode:
{
_crc16 = FlUtil.CRC16(_buf, 1, crcDataLen);
receivedCrc = BitConverter.ToUInt16(_buf, crcStartIndex);
if ((CompareCrc(_crc16, receivedCrc) == true) &&
(FlConstant.FL_BIN_MSG_ETX == _buf[_bufPos - 1]))
{
arguments = new List <object>
{
fullMsg.payload[0] // Boot mode
};
ret = true;
}
}
break;
}
if (ret == true)
{
FlBinMessageCommand command = new FlBinMessageCommand
{
Arguments = arguments
};
command.Header.device_id = fullMsg.header.device_id;
command.Header.length = fullMsg.header.length;
command.Header.message_id = (FlMessageId)fullMsg.header.message_id;
command.Header.flag1 = fullMsg.header.flag1;
command.Header.flag2 = fullMsg.header.flag2;
message = command;
}
return(ret);
}