code: func (m *HilState) Pack() []byte {
  	data := new(bytes.Buffer)
  	binary.Write(data, binary.LittleEndian, m.TIME_USEC)
  	binary.Write(data, binary.LittleEndian, m.ROLL)
  	binary.Write(data, binary.LittleEndian, m.PITCH)
  	binary.Write(data, binary.LittleEndian, m.YAW)
  	binary.Write(data, binary.LittleEndian, m.ROLLSPEED)
  	binary.Write(data, binary.LittleEndian, m.PITCHSPEED)
  	binary.Write(data, binary.LittleEndian, m.YAWSPEED)
  	binary.Write(data, binary.LittleEndian, m.LAT)
  	binary.Write(data, binary.LittleEndian, m.LON)
  	binary.Write(data, binary.LittleEndian, m.ALT)
  	binary.Write(data, binary.LittleEndian, m.VX)
  	binary.Write(data, binary.LittleEndian, m.VY)
  	binary.Write(data, binary.LittleEndian, m.VZ)
  	binary.Write(data, binary.LittleEndian, m.XACC)
  	binary.Write(data, binary.LittleEndian, m.YACC)
  	binary.Write(data, binary.LittleEndian, m.ZACC)
  	return data.Bytes()
  }
docs: // Pack returns a packed byte array which represents a HilState payload