38 lines
897 B
Python
38 lines
897 B
Python
import board
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import busio
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def is_hardware_UART(tx, rx):
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try:
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p = busio.UART(tx, rx)
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p.deinit()
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return True
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except ValueError:
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return False
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def get_unique_pins():
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pin_names = dir(board)
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if "NEOPIXEL" in pin_names:
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pin_names.remove("NEOPIXEL")
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if "APA102_MOSI" in pin_names:
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pin_names.remove("APA102_MOSI")
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if "APA102_SCK" in pin_names:
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pin_names.remove("APA102_SCK")
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pins = [getattr(board, p) for p in pin_names]
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unique = []
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for p in pins:
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if p not in unique:
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unique.append(p)
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return unique
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for tx_pin in get_unique_pins():
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for rx_pin in get_unique_pins():
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if rx_pin is tx_pin:
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continue
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else:
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if is_hardware_UART(tx_pin, rx_pin):
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print("RX pin:", rx_pin, "\t TX pin:", tx_pin)
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else:
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pass
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