43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
import os
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import time
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from pathlib import Path
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from serial.tools import list_ports # Part of pyserial library
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def find_available_ports():
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if os.name == "nt": # Windows
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# List COM ports using pyserial
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ports = [port.device for port in list_ports.comports()]
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else: # Linux/macOS
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# List /dev/tty* ports for Unix-based systems
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ports = [str(path) for path in Path("/dev").glob("tty*")]
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return ports
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def find_port():
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print("Finding all available ports for the MotorsBus.")
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ports_before = find_available_ports()
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print("Ports before disconnecting:", ports_before)
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print("Remove the USB cable from your MotorsBus and press Enter when done.")
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input() # Wait for user to disconnect the device
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time.sleep(0.5) # Allow some time for port to be released
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ports_after = find_available_ports()
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ports_diff = list(set(ports_before) - set(ports_after))
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if len(ports_diff) == 1:
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port = ports_diff[0]
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print(f"The port of this MotorsBus is '{port}'")
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print("Reconnect the USB cable.")
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elif len(ports_diff) == 0:
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raise OSError(f"Could not detect the port. No difference was found ({ports_diff}).")
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else:
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raise OSError(f"Could not detect the port. More than one port was found ({ports_diff}).")
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if __name__ == "__main__":
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# Helper to find the USB port associated with your MotorsBus.
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find_port()
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