def __init__(self):
print("Matrix initialized")
options = RGBMatrixOptions()
options.cols = 64
self.matrix = RGBMatrix(options = options)
audiobuffer = 64
audiodevice = 0 # Audio input device to use (see list generated at startup)
p = pyaudio.PyAudio()
for i in range(p.get_device_count()):
dev = p.get_device_info_by_index(i)
print p.get_device_info_by_index(i)['index'], p.get_device_info_by_index(
i)['name']
stream = p.open(format=pyaudio.paInt16,
channels=1,
input_device_index=audiodevice,
rate=44100,
input=True,
frames_per_buffer=audiobuffer)
# Configuration
options = RGBMatrixOptions()
options.rows = 64
options.cols = 64
options.chain_length = 1
options.parallel = 1
options.hardware_mapping = 'adafruit-hat-pwm' # regular // adafruit-hat // adafruit-hat-pwm
matrix = RGBMatrix(options=options)
image = Image.new("RGB", (64, 64)) # Can be larger than matrix if wanted!!
draw = ImageDraw.Draw(image) # Declare Draw instance before prims
colourchg = 32 # how much colours will change by
WIDTH, HEIGHT = 64, 64
maxnodesize = 16
nodestyle = 0
linestyle = 0
colour = random.randrange(0, 255), random.randrange(0, 255), random.randrange(
0, 255)
def main(args):
device_lat = args.device_lat
device_long = args.device_long
feeder_url = args.fr24_feeder_host
fonts_home = args.fonts_home
# Configuration for the LED matrix
options = RGBMatrixOptions()
options.cols = 64
options.rows = 32
options.chain_length = 1
options.brightness = 40
options.pwm_dither_bits = 1
options.pwm_lsb_nanoseconds = 50
options.parallel = 1
options.gpio_slowdown = 2 # reduces flicker
#options.hardware_mapping = 'regular' # If you have an Adafruit HAT: 'adafruit-hat'
matrix = RGBMatrix(options=options)
font = graphics.Font()
font.LoadFont(f'{fonts_home}/5x7.bdf')
font2 = graphics.Font()
font2.LoadFont(f'{fonts_home}/6x10.bdf')
green = graphics.Color(0, 255, 0)
graphics.DrawText(matrix, font, 0, 7, green, 'No aircraft')
graphics.DrawText(matrix, font, 0, 14, green, 'found')
try:
print('Press CTRL-C to stop.')
while True:
t = threading.Thread(target=get_aircraft(feeder_url))
t.run()
if aircraft_change:
logger.info('Refreshing aircraft list')
matrix.Clear()
index = 1
if len(aircraft_map.keys()) > 0:
for aircraft in aircraft_map.keys():
matrix.Clear()
aircraft_mode_s_transponder = aircraft_map.get(aircraft)[0]
aircraft_lat = aircraft_map.get(aircraft)[1]
aircraft_long = aircraft_map.get(aircraft)[2]
aircraft_ground_speed = aircraft_map.get(aircraft)[5]
aircraft_squawk = aircraft_map.get(aircraft)[6]
aircraft_callsign = aircraft_map.get(aircraft)[-1]
# Draw ADS-B Mode S transponder code
graphics.DrawText(matrix, font, 0, index * 7, green, f'ModeS: {aircraft_mode_s_transponder}')
# Draw aircraft callsign
if aircraft_callsign:
graphics.DrawText(matrix, font, 0, (index + 1) * 7, green, f'Sign: {aircraft_callsign}')
else:
graphics.DrawText(matrix, font, 0, (index + 1) * 7, green, f'Sign: unknown')
if aircraft_lat and aircraft_long:
geodesic_dict = Geodesic.WGS84.Inverse(float(device_lat), float(device_long), aircraft_lat,
aircraft_long)
azimuth = geodesic_dict['azi1']
distance_meters = geodesic_dict['s12']
distance_miles = 0.000621371 * distance_meters
heading = float(azimuth)
logger.info(f'heading: {heading:.3f}')
# Correct for negative headings
if heading < 0:
heading = heading + 360
logger.info(f'corrected heading: {heading:.3f}')
cardinal_direction = get_direction_from_heading(heading)
logger.info(f'cardinal direction: {cardinal_direction}')
# adjust heading from display orientation
display_heading = 240.0
adjusted_heading = 360 - display_heading + heading
logger.info(f'adjusted heading: {adjusted_heading:.3f}°')
# correct for heading over 360°
if adjusted_heading > 360:
adjusted_heading = adjusted_heading - 360
logger.info(f'adjusted heading (corrected): {adjusted_heading:.3f}°')
arrow_direction = get_direction_from_heading(adjusted_heading)
# Draw cardinal direction and arrow
graphics.DrawText(matrix, font2, 0, ((index + 2) * 7) + 1, green, cardinal_direction)
graphics.DrawText(matrix, font2, 0, ((index + 3) * 7) + 2, green, cardinal_arrows_map[
arrow_direction])
graphics.DrawText(matrix, font2, 22, ((index + 3) * 7) + 2, green, f'{distance_miles:.2f} mi')
else:
graphics.DrawText(matrix, font2, 0, ((index + 2) * 7) + 1, green, '?')
graphics.DrawText(matrix, font2, 0, ((index + 3) * 7) + 2, green, '?')
if aircraft_ground_speed:
graphics.DrawText(matrix, font2, 22, ((index + 2) * 7) + 1, green, f'{aircraft_ground_speed} kts')
time.sleep(10)
else:
graphics.DrawText(matrix, font, 0, 7, green, "No aircraft")
graphics.DrawText(matrix, font, 0, 14, green, "found")
time.sleep(60)
except KeyboardInterrupt:
sys.exit(0)
