<----SKIPPED LINES---->




  REMOTE_SIMULATED_OUT = MESSAGEBOARD_PATH + REMOTE_SIMULATED_OUT
  REMOTE_SIMULATED_IN = MESSAGEBOARD_PATH + REMOTE_SIMULATED_IN
  REMOTE_DISPLAY_MODE = MESSAGEBOARD_PATH + REMOTE_DISPLAY_MODE

  ARDUINO_ROLLING_LOG = WEBSERVER_PATH + ARDUINO_ROLLING_LOG

CONNECTION_FLAG_BLUETOOTH = 1
CONNECTION_FLAG_USB = 2
CONNECTION_FLAG_SIMULATED = 3
RASPBERRY_PI = psutil.sys.platform.title() == 'Linux'

SN_SERVO = '5583834303435111C1A0'
SERVO_CONNECTION = (CONNECTION_FLAG_BLUETOOTH, (2, '98:D3:11:FC:42:16', 1))  # with MOSFET
#SERVO_CONNECTION = (CONNECTION_FLAG_BLUETOOTH, (3, '98:D3:91:FD:B1:8F', 1))  # no MOSFET

SN_REMOTE = '75835343130351802272'
# directly connected to Serial2
# connected thru MOSFET to Serial1
REMOTE_CONNECTION = (CONNECTION_FLAG_BLUETOOTH, (1, '98:D3:91:FD:B3:C9', 1))

MIN_ALTITUDE = 5  # below this elevation degrees, turn off the tracking





if SIMULATE_ARDUINO:
  SERVO_CONNECTION = (CONNECTION_FLAG_SIMULATED, (SERVO_SIMULATED_IN, SERVO_SIMULATED_OUT))
  REMOTE_CONNECTION = (
      CONNECTION_FLAG_SIMULATED, (REMOTE_SIMULATED_IN, REMOTE_SIMULATED_OUT))

KEY_NOT_PRESENT_STRING = 'N/A'

DISP_LAST_FLIGHT_NUMB_ORIG_DEST = 0
DISP_LAST_FLIGHT_AZIMUTH_ELEVATION = 1
DISP_FLIGHT_COUNT_LAST_SEEN = 2
DISP_RADIO_RANGE = 3
DISPLAY_MODE_NAMES = [
    'LAST_FLIGHT_NUMB_ORIG_DEST', 'LAST_FLIGHT_AZIMUTH_ELEVATION',
    'FLIGHT_COUNT_LAST_SEEN', 'RADIO_RANGE']

WRITE_DELAY_TIME = 0.2  # write to arduino every n seconds
READ_DELAY_TIME = 0.1  # read from arduino every n seconds

HISTOGRAM_TYPES = (




                            <----SKIPPED LINES---->




      read_format='l', write_format='ff???', name='Servo')
  link.Open()

  last_flight = {}
  last_angles = (0, 0)
  flight, json_desc_dict, configuration, additional_attr = InitialMessageValues(
      to_arduino_q)
  next_read = 0
  next_write = 0
  now = GetNow(json_desc_dict, additional_attr)

  while not shutdown.value:
    if not to_arduino_q.empty():
      flight, json_desc_dict, configuration, additional_attr = to_arduino_q.get(
          block=False)

      if 'test_servos' in configuration:
        messageboard.RemoveSetting(configuration, 'test_servos')
        link.Write((0, 0, *LASER_RGB_OFF))
        time.sleep(1)
        link.Write((90, 0, *LASER_RGB_OFF))
        time.sleep(1)
        link.Write((180, 0, *LASER_RGB_OFF))
        time.sleep(1)
        link.Write((270, 0, *LASER_RGB_OFF))
        time.sleep(1)

      new_flight = DifferentFlights(flight, last_flight)
      if new_flight:
        Log('Flight changed from %s to %s' % (
            messageboard.DisplayFlightNumber(last_flight),
            messageboard.DisplayFlightNumber(flight)
        ), ser=link)

        # Turn off laser so that line isn't traced while it moves to new position
        link.Write((*last_angles, *LASER_RGB_OFF))

      last_flight = flight

    if time.time() >= next_read:
      heartbeat = link.Read()  # simple ack message sent by servos
      next_read = time.time() + READ_DELAY_TIME
      if heartbeat and VERBOSE:
        Log(heartbeat)

    now = GetNow(json_desc_dict, additional_attr)

    current_angles = AzimuthAltitude(flight, now)
    if current_angles and time.time() > next_write:
      if current_angles[1] >= configuration['minimum_altitude_servo_tracking']:
        if VERBOSE:
          Log('Flight #: %s current_angles: %s' % (
              messageboard.DisplayFlightNumber(flight), str(current_angles)))
        laser_rgb = LaserRGBFlight(flight)
        link.Write((*current_angles, *laser_rgb))
        last_angles = current_angles

      else:
        link.Write((*last_angles, *LASER_RGB_OFF))

      next_write = time.time() + WRITE_DELAY_TIME

  link.Close(SHUTDOWN_TEXT)


LASER_RGB_OFF = (0, 0, 0)
def LaserRGBFlight(flight):
  """Based on flight attributes, set the laser."""
  # Possible assignment based on:
  #   - ascending / descending / level
  #   - to SFO / from SFO / other
  #   - big plane / med plane / small plane
  #   - low alt / med alt / high alt
  #   - low speed / med speed / high speed
  #   - rare destination / common destination
  red = False
  green = False
  blue = False

  aircraft_length = AircraftLength(flight)

  if AircraftLength(flight) > 50:
    red = True
  elif AircraftLength(flight) > 30:
    green = True
  else:
    blue = True

  return red, green, blue


def DifferentFlights(f1, f2):
  """True if both squawk and flight number different; false otherwise."""
  if f1 is None and f2 is None:
    return True
  if f1 is None or f2 is None:
    return True

  if (
      f1.get('flight_number') != f2.get('flight_number')
      and f1.get('squawk') != f2.get('squawk')):
    return True
  return False


def FloatToAlphanumericStr(x, decimals, total_length, sign=True):
  """Formats a float as a string without a decimal point.

  Since the decimal point is controlled independently on the alphanumeric display,




                            <----SKIPPED LINES---->

                            <----SKIPPED LINES---->




  REMOTE_SIMULATED_OUT = MESSAGEBOARD_PATH + REMOTE_SIMULATED_OUT
  REMOTE_SIMULATED_IN = MESSAGEBOARD_PATH + REMOTE_SIMULATED_IN
  REMOTE_DISPLAY_MODE = MESSAGEBOARD_PATH + REMOTE_DISPLAY_MODE

  ARDUINO_ROLLING_LOG = WEBSERVER_PATH + ARDUINO_ROLLING_LOG

CONNECTION_FLAG_BLUETOOTH = 1
CONNECTION_FLAG_USB = 2
CONNECTION_FLAG_SIMULATED = 3
RASPBERRY_PI = psutil.sys.platform.title() == 'Linux'

SN_SERVO = '5583834303435111C1A0'
SERVO_CONNECTION = (CONNECTION_FLAG_BLUETOOTH, (2, '98:D3:11:FC:42:16', 1))  # with MOSFET
#SERVO_CONNECTION = (CONNECTION_FLAG_BLUETOOTH, (3, '98:D3:91:FD:B1:8F', 1))  # no MOSFET

SN_REMOTE = '75835343130351802272'
# directly connected to Serial2
# connected thru MOSFET to Serial1
REMOTE_CONNECTION = (CONNECTION_FLAG_BLUETOOTH, (1, '98:D3:91:FD:B3:C9', 1))

LASER_RGB_OFF = (False, False, False)
LASER_RED = (True, False, False)
LASER_GREEN = (False, True, False)
LASER_BLUE = (False, False, False)


if SIMULATE_ARDUINO:
  SERVO_CONNECTION = (CONNECTION_FLAG_SIMULATED, (SERVO_SIMULATED_IN, SERVO_SIMULATED_OUT))
  REMOTE_CONNECTION = (
      CONNECTION_FLAG_SIMULATED, (REMOTE_SIMULATED_IN, REMOTE_SIMULATED_OUT))

KEY_NOT_PRESENT_STRING = 'N/A'

DISP_LAST_FLIGHT_NUMB_ORIG_DEST = 0
DISP_LAST_FLIGHT_AZIMUTH_ELEVATION = 1
DISP_FLIGHT_COUNT_LAST_SEEN = 2
DISP_RADIO_RANGE = 3
DISPLAY_MODE_NAMES = [
    'LAST_FLIGHT_NUMB_ORIG_DEST', 'LAST_FLIGHT_AZIMUTH_ELEVATION',
    'FLIGHT_COUNT_LAST_SEEN', 'RADIO_RANGE']

WRITE_DELAY_TIME = 0.2  # write to arduino every n seconds
READ_DELAY_TIME = 0.1  # read from arduino every n seconds

HISTOGRAM_TYPES = (




                            <----SKIPPED LINES---->




      read_format='l', write_format='ff???', name='Servo')
  link.Open()

  last_flight = {}
  last_angles = (0, 0)
  flight, json_desc_dict, configuration, additional_attr = InitialMessageValues(
      to_arduino_q)
  next_read = 0
  next_write = 0
  now = GetNow(json_desc_dict, additional_attr)

  while not shutdown.value:
    if not to_arduino_q.empty():
      flight, json_desc_dict, configuration, additional_attr = to_arduino_q.get(
          block=False)

      if 'test_servos' in configuration:
        messageboard.RemoveSetting(configuration, 'test_servos')
        link.Write((0, 0, *LASER_RGB_OFF))
        time.sleep(1)
        link.Write((90, 0, *LASER_RED))
        time.sleep(1)
        link.Write((180, 0, *LASER_GREEN))
        time.sleep(1)
        link.Write((270, 0, *LASER_BLUE))
        time.sleep(1)

      new_flight = DifferentFlights(flight, last_flight)
      if new_flight:
        Log('Flight changed from %s to %s' % (
            messageboard.DisplayFlightNumber(last_flight),
            messageboard.DisplayFlightNumber(flight)
        ), ser=link)

        # Turn off laser so that line isn't traced while it moves to new position
        link.Write((*last_angles, *LASER_RGB_OFF))

      last_flight = flight

    if time.time() >= next_read:
      heartbeat = link.Read()  # simple ack message sent by servos
      next_read = time.time() + READ_DELAY_TIME
      if heartbeat and VERBOSE:
        Log(heartbeat)

    now = GetNow(json_desc_dict, additional_attr)

    current_angles = AzimuthAltitude(flight, now)
    if current_angles and time.time() > next_write:
      if current_angles[1] >= configuration['minimum_altitude_servo_tracking']:
        if VERBOSE:
          Log('Flight #: %s current_angles: %s' % (
              messageboard.DisplayFlightNumber(flight), str(current_angles)))
        laser_rgb = LaserRGBFlight(flight)
        link.Write((*current_angles, *laser_rgb))
        last_angles = current_angles

      else:
        link.Write((*last_angles, *LASER_RGB_OFF))

      next_write = time.time() + WRITE_DELAY_TIME

  link.Close(SHUTDOWN_TEXT)



def LaserRGBFlight(flight):
  """Based on flight attributes, set the laser."""
  # Possible assignment based on:
  #   - ascending / descending / level
  #   - to SFO / from SFO / other
  #   - big plane / med plane / small plane
  #   - low alt / med alt / high alt
  #   - low speed / med speed / high speed
  #   - rare destination / common destination




  aircraft_length = messageboard.AircraftLength(flight)

  if aircraft_length > 50:
    return LASER_RED
  if aircraft_length > 30:
    return LASER_GREEN
  return LASER_BLUE





def DifferentFlights(f1, f2):
  """True if both squawk and flight number different; false otherwise."""
  if f1 is None and f2 is None:
    return True
  if f1 is None or f2 is None:
    return True

  if (
      f1.get('flight_number') != f2.get('flight_number')
      and f1.get('squawk') != f2.get('squawk')):
    return True
  return False


def FloatToAlphanumericStr(x, decimals, total_length, sign=True):
  """Formats a float as a string without a decimal point.

  Since the decimal point is controlled independently on the alphanumeric display,




                            <----SKIPPED LINES---->