pool = socketpool.SocketPool(wifi.radio)
print("Connecting to Adafruit IO")
mqtt_client = MQTT.MQTT(
broker="io.adafruit.com",
username=secrets["aio_username"],
password=secrets["aio_key"],
socket_pool=pool,
ssl_context=ssl.create_default_context(),
)
mqtt_client.connect()
io = IO_MQTT(mqtt_client)
# Blank out any previously published message
io.publish(feed_name, "\ufeff")
qrdecoder = qrio.QRDecoder(cam.width, cam.height)
bitmap = displayio.Bitmap(cam.width, cam.height, 65536)
# Create a greyscale palette
pal = displayio.Palette(256)
for i in range(256):
pal[i] = 0x10101 * i
label = Label(
font=FONT,
text="Scan QR Code...",
color=0xFFFFFF,
background_color=0x0,
padding_top=2,
padding_left=2,
padding_right=2,
try:
import qrio
except:
print("SKIP")
raise SystemExit
loc = __file__.rsplit("/", 1)[0]
with open(f"{loc}/data/qr.pgm") as f:
content = f.read()[-320 * 240 :]
decoder = qrio.QRDecoder(320, 240)
for r in decoder.decode(content):
print(r)