code: func (m *DataTransmissionHandshake) Pack() []byte {
  	data := new(bytes.Buffer)
  	binary.Write(data, binary.LittleEndian, m.SIZE)
  	binary.Write(data, binary.LittleEndian, m.WIDTH)
  	binary.Write(data, binary.LittleEndian, m.HEIGHT)
  	binary.Write(data, binary.LittleEndian, m.PACKETS)
  	binary.Write(data, binary.LittleEndian, m.TYPE)
  	binary.Write(data, binary.LittleEndian, m.PAYLOAD)
  	binary.Write(data, binary.LittleEndian, m.JPG_QUALITY)
  	return data.Bytes()
  }
docs: // Pack returns a packed byte array which represents a DataTransmissionHandshake payload