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      1 # Copyright 2014 The Chromium Authors. All rights reserved.
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 """Default gadget configuration."""
      6 
      7 import gadget
      8 import usb_constants
      9 import usb_descriptors
     10 
     11 
     12 class DefaultGadget(gadget.Gadget):
     13 
     14   def __init__(self):
     15     device_desc = usb_descriptors.DeviceDescriptor(
     16         idVendor=usb_constants.VendorID.GOOGLE,
     17         idProduct=usb_constants.ProductID.GOOGLE_TEST_GADGET,
     18         bcdUSB=0x0200,
     19         iManufacturer=1,
     20         iProduct=2,
     21         iSerialNumber=3,
     22         bcdDevice=0x0100)
     23 
     24     fs_config_desc = usb_descriptors.ConfigurationDescriptor(
     25         bmAttributes=0x80,
     26         MaxPower=50)
     27 
     28     hs_config_desc = usb_descriptors.ConfigurationDescriptor(
     29         bmAttributes=0x80,
     30         MaxPower=50)
     31 
     32     interface_desc = usb_descriptors.InterfaceDescriptor(
     33         bInterfaceNumber=0)
     34     fs_config_desc.AddInterface(interface_desc)
     35     hs_config_desc.AddInterface(interface_desc)
     36 
     37     super(DefaultGadget, self).__init__(
     38         device_desc, fs_config_desc, hs_config_desc)
     39 
     40     self.AddStringDescriptor(1, "Google Inc.")
     41     self.AddStringDescriptor(2, "Test Gadget (default state)")
     42