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连接 ST-link/V2 时，BlueNRG-X Flasher Utility 无法识别 SWD 连接。我正在通过命令行界面运行闪光灯以获取错误消息（BlueNRG-X_Flasher_Launcher.exe）。出现的错误信息是：

"Traceback (most recent call last):
  File "Script_launcher.py", line 542, in <module>
  File "globals.py", line 555, in get_stlink_list
  File "build\bdist.win32\egg\usb\core.py", line 1246, in device_iter
  File "build\bdist.win32\egg\usb\backend\libusb1.py", line 717, in enumerate_devices
  File "build\bdist.win32\egg\usb\backend\libusb1.py", line 631, in __init__
  File "build\bdist.win32\egg\usb\backend\libusb1.py", line 595, in _check
usb.core.USBError: [Errno 19] No such device (it may have been disconnected)
[47128] Failed to execute script Script_launcher"

似乎没有找到一些 python 后端文件。我将 libusb-1.0.dll 复制到 windows\system32 并添加到路径，但它没有解决问题。

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