tools/usb_gadget/__main__.py

   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 """Package entry-point."""
   6
   7 import argparse
   8
   9 import netifaces
  10 from tornado import ioloop
  11
  12 import echo_gadget
  13 import hid_echo_gadget
  14 import keyboard_gadget
  15 import linux_gadgetfs
  16 import mouse_gadget
  17 import server
  18
  19
  20 def ParseArgs():
  21   """Parse application arguments."""
  22   parser = argparse.ArgumentParser(description='USB gadget server.')
  23   parser.add_argument(
  24       '-i', '--interface', default='lo',
  25       help='Listen for HTTP connections on this interface.')
  26   parser.add_argument(
  27       '-p', '--port', default=8080,
  28       help='Listen for HTTP connections on this port.')
  29   parser.add_argument(
  30       '--hardware', default='beaglebone-black',
  31       help='Hardware configuration.')
  32   parser.add_argument(
  33       '--start-claimed',
  34       help='Start with the device claimed by this client.')
  35   return parser.parse_args()
  36
  37
  38 def main():
  39   args = ParseArgs()
  40
  41   server.interface = args.interface
  42   server.port = args.port
  43   server.hardware = args.hardware
  44   server.claimed_by = args.start_claimed
  45
  46   addrs = netifaces.ifaddresses(server.interface)
  47   ip_address = addrs[netifaces.AF_INET][0]['addr']
  48   server.address = '{}:{}'.format(ip_address, server.port)
  49
  50   server.chip = linux_gadgetfs.LinuxGadgetfs(server.hardware)
  51   server.SwitchGadget(server.default)
  52
  53   echo_gadget.RegisterHandlers()
  54   hid_echo_gadget.RegisterHandlers()
  55   keyboard_gadget.RegisterHandlers()
  56   mouse_gadget.RegisterHandlers()
  57
  58   server.http_server.listen(server.port)
  59
  60   ioloop.IOLoop.instance().start()
  61   print 'Exiting...'
  62
  63
  64 if __name__ == '__main__':
  65   main()