我没有正确理解USB协议,所以当我添加它时,我的代码混淆了关于USB的数据。我不知道我哪里出错了。我的系统是Windows 8 64位。
有一个严重的错误,我也需要帮助。
import usb.core
import usb.util
# Find our device
dev = usb.core.find(find_all=True)
busses = usb.busses()
# Was it found?
if dev is None:
raise ValueError('Device not found')
for bus in busses:
devices = bus.devices
for dev in devices:
try:
_name = usb.util.get_string(dev.dev, 19, 1)
except:
continue
dev.set_configuration()
cfg = dev.get_active_configuration()
interface_number = cfg[(0,0)].bInterfaceNumber
alternate_settting = usb.control.get_interface(interface_number)
print "Device name:",_name
print "Device:", dev.filename
print " idVendor:",hex(dev.idVendor)
print " idProduct:",hex(dev.idProduct)
for config in dev.configurations:
print " Configuration:", config.value
print " Total length:", config.totalLength
print " selfPowered:", config.selfPowered
print " remoteWakeup:", config.remoteWakeup
print " maxPower:", config.maxPower
print
这是我得到的错误:
进口usb.backend。Libusb10作为Libusb10
importterror: No module named backend.libusb10
除了最新版本的pyusb,还需要安装最新版本的libusb。
在windows上,只需要从libusb文件包中解压:libusb-1.0.dll
(从文件夹MinGW32/64 -取决于python版本)并复制到C:WindowsSystem32
文件夹