28 lines
787 B
Python
28 lines
787 B
Python
# SPDX-FileCopyrightText: 2020 Dan Halbert for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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# Provide an "eval()" service over BLE UART.
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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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uart = UARTService()
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advertisement = ProvideServicesAdvertisement(uart)
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while True:
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ble.start_advertising(advertisement)
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print("Waiting to connect")
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while not ble.connected:
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pass
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print("Connected")
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while ble.connected:
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s = uart.readline()
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if s:
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try:
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result = str(eval(s))
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except Exception as e:
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result = repr(e)
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uart.write(result.encode("utf-8"))
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