Solaar/lib/solaar/cli/pair.py

100 lines
3.6 KiB
Python

# -*- python-mode -*-
# -*- coding: UTF-8 -*-
## Copyright (C) 2012-2013 Daniel Pavel
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License along
## with this program; if not, write to the Free Software Foundation, Inc.,
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
from __future__ import absolute_import, division, print_function, unicode_literals
from time import time as _timestamp
from logitech_receiver import (
base as _base,
hidpp10 as _hidpp10,
status as _status,
notifications as _notifications,
)
def run(receivers, args, find_receiver, _ignore):
assert receivers
if args.receiver:
receiver_name = args.receiver.lower()
receiver = find_receiver(receiver_name)
if not receiver:
raise Exception("no receiver found matching '%s'" % receiver_name)
else:
receiver = receivers[0]
assert receiver
receiver.status = _status.ReceiverStatus(receiver, lambda *args, **kwargs: None)
# check if it's necessary to set the notification flags
old_notification_flags = _hidpp10.get_notification_flags(receiver) or 0
if not (old_notification_flags & _hidpp10.NOTIFICATION_FLAG.wireless):
_hidpp10.set_notification_flags(receiver, old_notification_flags | _hidpp10.NOTIFICATION_FLAG.wireless)
# get all current devices
known_devices = [dev.number for dev in receiver]
class _HandleWithNotificationHook(int):
def notifications_hook(self, n):
assert n
if n.devnumber == 0xFF:
_notifications.process(receiver, n)
elif n.sub_id == 0x41: # allow for other protocols! (was and n.address == 0x04)
if n.devnumber not in known_devices:
receiver.status.new_device = receiver[n.devnumber]
elif receiver.re_pairs:
# unfortunately this breaks encapsulation but the nice way tries to unpair
del receiver._devices[n.devnumber] # get rid of information on device re-paired away
receiver.status.new_device = receiver[n.devnumber]
timeout = 20 # seconds
receiver.handle = _HandleWithNotificationHook(receiver.handle)
receiver.set_lock(False, timeout=timeout)
print ('Pairing: turn your new device on (timing out in', timeout, 'seconds).')
# the lock-open notification may come slightly later, wait for it a bit
pairing_start = _timestamp()
patience = 5 # seconds
while receiver.status.lock_open or _timestamp() - pairing_start < patience:
n = _base.read(receiver.handle)
if n:
n = _base.make_notification(*n)
if n:
receiver.handle.notifications_hook(n)
if not (old_notification_flags & _hidpp10.NOTIFICATION_FLAG.wireless):
# only clear the flags if they weren't set before, otherwise a
# concurrently running Solaar app might stop working properly
_hidpp10.set_notification_flags(receiver, old_notification_flags)
if receiver.status.new_device:
dev = receiver.status.new_device
print ('Paired device %d: %s (%s) [%s:%s]' % (dev.number, dev.name, dev.codename, dev.wpid, dev.serial))
else:
error = receiver.status.get(_status.KEYS.ERROR)
if error :
raise Exception("pairing failed: %s" % error)
else :
print ('Paired a device') # this is better than an error