import usb.core
import usb.util
import sys

# find our device
dev = usb.core.find(idVendor=0x0403, idProduct=0x6001)

# was it found?
if dev is None:
    raise ValueError('Device not found')
else:
    print 'Device was found'

print '----------------\n' + \
      'Configuration of the device:'
for cfg in dev:
    sys.stdout.write('bConfigurationValue: ' + str(cfg.bConfigurationValue) + '\n')
    for intf in cfg:
        sys.stdout.write('\tbInterfaceNumber: ' + str(intf.bInterfaceNumber) + '\n' + \
                         '\tbAlternateSetting: ' + str(intf.bAlternateSetting) + '\n' + \
                         '\tbLength: ' + str(intf.bLength) + '\n')
        for ep in intf:
            sys.stdout.write('\t\tbEndpointAddress: ' + \
                             str(ep.bEndpointAddress) + \
                             '\n')





#dev.set_configuration(1)

#dev.set_configuration()

#cfg = util.find_descriptor(dev, bConfiguration=1)
#cfg.set()
#dev.set_configuration(cfg)



print '----------------\n' + \
      'start reading test'

epAddress  = 129
nrByteRead = 9
ifNumber   = 0
timeout    = 100

ret = dev.read(epAddress, nrByteRead, ifNumber, timeout)
sret = ''.join([chr(x) for x in ret])
print '-'+sret+'-'

print 'end reading test'