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  1.  
  2. ---------------------------------------------------------------------------
  3. USBError Traceback (most recent call last)
  5. /home/campbell/Libusb_test.py in <module>()
  6. ----> 1
  7. 2
  8. 3
  9. 4
  10. 5
  12. /usr/local/lib/python2.7/dist-packages/usb/core.pyc in read(self, size, timeout)
  13. 271 For details, see the Device.read() method.
  14. 272 """
  15. --> 273 return self.device.read(self.bEndpointAddress, size, self.interface, timeout)
  16. 274
  17. 275 class Interface(object):
  19. /usr/local/lib/python2.7/dist-packages/usb/core.pyc in read(self, endpoint, size, interface, timeout)
  20. 622 intf.bInterfaceNumber,
  21. 623 size,
  22. --> 624 self.__get_timeout(timeout)
  23. 625 )
  24. 626
  26. /usr/local/lib/python2.7/dist-packages/usb/_debug.pyc in do_trace(*args, **named_args)
  27. 51 fn = type(args[0]).__name__ + '.' + f.__name__
  28. 52 _trace_function_call(logger, fn, *args[1:], **named_args)
  29. ---> 53 return f(*args, **named_args)
  30. 54 _interop._update_wrapper(do_trace, f)
  31. 55 return do_trace
  33. /usr/local/lib/python2.7/dist-packages/usb/backend/libusb10.pyc in bulk_read(self, dev_handle, ep, intf, size, timeout)
  34. 481 intf,
  35. 482 size,
  36. --> 483 timeout)
  37. 484
  38. 485 @methodtrace(_logger)
  40. /usr/local/lib/python2.7/dist-packages/usb/backend/libusb10.pyc in __read(self, fn, dev_handle, ep, intf, size, timeout)
  41. 579 length,
  42. 580 byref(transferred),
  43. --> 581 timeout))
  44. 582 return buffer[:transferred.value]
  45. 583
  47. /usr/local/lib/python2.7/dist-packages/usb/backend/libusb10.pyc in _check(retval)
  48. 351 if retval.value < 0:
  49. 352 from usb.core import USBError
  50. --> 353 raise USBError(_str_error[retval.value])
  51. 354 return retval
  52. 355
  54. USBError: Overflow
  55.  
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