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| # Copyright 2024 The HuggingFace Inc. team. All rights reserved. | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| import os | |
| import time | |
| from pathlib import Path | |
| from serial.tools import list_ports # Part of pyserial library | |
| def find_available_ports(): | |
| if os.name == "nt": # Windows | |
| # List COM ports using pyserial | |
| ports = [port.device for port in list_ports.comports()] | |
| else: # Linux/macOS | |
| # List /dev/tty* ports for Unix-based systems | |
| ports = [str(path) for path in Path("/dev").glob("tty*")] | |
| return ports | |
| def find_port(): | |
| print("Finding all available ports for the MotorsBus.") | |
| ports_before = find_available_ports() | |
| print("Ports before disconnecting:", ports_before) | |
| print("Remove the USB cable from your MotorsBus and press Enter when done.") | |
| input() # Wait for user to disconnect the device | |
| time.sleep(0.5) # Allow some time for port to be released | |
| ports_after = find_available_ports() | |
| ports_diff = list(set(ports_before) - set(ports_after)) | |
| if len(ports_diff) == 1: | |
| port = ports_diff[0] | |
| print(f"The port of this MotorsBus is '{port}'") | |
| print("Reconnect the USB cable.") | |
| elif len(ports_diff) == 0: | |
| raise OSError(f"Could not detect the port. No difference was found ({ports_diff}).") | |
| else: | |
| raise OSError(f"Could not detect the port. More than one port was found ({ports_diff}).") | |
| if __name__ == "__main__": | |
| # Helper to find the USB port associated with your MotorsBus. | |
| find_port() | |