Animatroller.Framework.Expander.DMXPro.SendSerialCommand C# (CSharp) Method

        protected void SendSerialCommand(byte label, byte[] data)
        {
            if (data.Length > 600)
                throw new ArgumentOutOfRangeException("Max data size is 600 bytes");

            lock (lockObject)
            {
                sendCounter++;
            //                log.Info("Sending packet {0} to DMX", sendCounter);

                try
                {
                    var header = new byte[] { 0x7E, label, (byte)(data.Length & 0xFF), (byte)(data.Length >> 8) };
                    var footer = new byte[] { 0xE7 };
                    serialPort.Write(header, 0, header.Length);
                    if (data.Length > 0)
                        serialPort.Write(data, 0, data.Length);
                    serialPort.Write(footer, 0, footer.Length);
                }
                catch (Exception ex)
                {
                    log.Info("SendSerialCommand exception: " + ex.Message);
                    // Ignore
                }
            }
        }