44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
import time
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import bleak
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from adafruit_ble import BLERadio
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from adafruit_ble.advertising.standard import ProvideServicesAdvertisement
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from adafruit_ble.services.nordic import UARTService
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ble = BLERadio()
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def scan():
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print("disconnected, scanning")
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for advertisement in ble.start_scan(ProvideServicesAdvertisement, timeout=1):
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if not advertisement.complete_name.startswith('Feather'):
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continue
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ble.connect(advertisement)
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print("connected to", advertisement.complete_name)
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break
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ble.stop_scan()
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def read(connection):
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uart = connection[UARTService]
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if uart.in_waiting:
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res = uart.read(uart.in_waiting)
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print(res)
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def loop():
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while True:
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while ble.connected:
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for connection in ble.connections:
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try:
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read(connection)
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except bleak.exc.BleakError:
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print('Disconnected, waiting 3 seconds and trying to reconnect...')
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connection.disconnect()
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time.sleep(3)
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time.sleep(0.1)
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scan()
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if __name__ == '__main__':
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loop()
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