public void SerialSendBlankFrame(MatrixFrame frame)
{
if (SerialReady())
{
byte[] blankFrameData = new byte[(frame.Width * frame.Height * 3) + 1];
blankFrameData[0] = 0x0F;
sp.Write(blankFrameData, 0, frame.GetFrameLength());
serialReady = false;
}
}