Code: Select all
import usb
import usb.util
dev = usb.core.find(idVendor=0x0403, idProduct=0x6014)
print(dev)
Code: Select all
import board
Code: Select all
>>> import board
Traceback (most recent call last):
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyftdi\ftdi.py", line 1771, in write_data
length = self._write(data[offset:offset+write_size])
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyftdi\ftdi.py", line 2079, in _write
return self._usb_dev.write(self._in_ep, data, self._usb_write_timeout)
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyusb-1.0.2-py3.8.egg\usb\core.py", line 942, in write
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyusb-1.0.2-py3.8.egg\usb\core.py", line 89, in wrapper
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyusb-1.0.2-py3.8.egg\usb\core.py", line 203, in setup_request
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyusb-1.0.2-py3.8.egg\usb\core.py", line 89, in wrapper
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyusb-1.0.2-py3.8.egg\usb\core.py", line 154, in managed_claim_interface
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyusb-1.0.2-py3.8.egg\usb\backend\libusb0.py", line 508, in claim_interface
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyusb-1.0.2-py3.8.egg\usb\backend\libusb0.py", line 418, in _check
usb.core.USBError: [Errno None] b'libusb0-dll:err [claim_interface] could not claim interface 0, invalid configuration 0\n'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\board.py", line 129, in <module>
from adafruit_blinka.board.ftdi_ft232h import *
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\adafruit_blinka\board\ftdi_ft232h.py", line 2, in <module>
from adafruit_blinka.microcontroller.ft232h import pin
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\adafruit_blinka\microcontroller\ft232h\pin.py", line 71, in <module>
D4 = Pin(4)
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\adafruit_blinka\microcontroller\ft232h\pin.py", line 24, in __init__
i2c.configure("ftdi://ftdi:ft232h/1")
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyftdi\i2c.py", line 517, in configure
frequency = self._ftdi.open_mpsse_from_url(url, **kwargs)
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyftdi\ftdi.py", line 643, in open_mpsse_from_url
return self.open_mpsse_from_device(device, interface,
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyftdi\ftdi.py", line 764, in open_mpsse_from_device
frequency = self._set_frequency(frequency)
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyftdi\ftdi.py", line 2296, in _set_frequency
self.write_data(cmd)
File "C:\Users\Sean\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyftdi\ftdi.py", line 1778, in write_data
raise FtdiError('UsbError: %s' % str(ex))
pyftdi.ftdi.FtdiError: UsbError: [Errno None] b'libusb0-dll:err [claim_interface] could not claim interface 0, invalid configuration 0\n'
Thanks