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