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riklaunim / pyusb-keyboard-alike

Handler for keyboards and keyboard-alike devices like bar code scanners, RFID readers
MIT License
44 stars 22 forks source link

run-time error #8

Open chaodongyang opened 6 years ago

chaodongyang commented 6 years ago

Traceback (most recent call last): File "D:/pyusb-keyboard-alike-master/pyqt_example.py", line 65, in myapp = StartQT4() File "D:/pyusb-keyboard-alike-master/pyqt_example.py", line 30, in init self.rfidreader.initialize() File "D:\pyusb-keyboard-alike-master\keyboard_alike\reader.py", line 37, in initialize self._device = usb.core.find(idVendor=self.vendor_id, idProduct=self.product_id) File "C:\Python27\lib\site-packages\usb\core.py", line 1263, in find raise NoBackendError('No backend available') usb.core.NoBackendError: No backend available

riklaunim commented 6 years ago

That's a pyusb exception. Likely missing some system header libraries during compilation.