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#!/usr/bin/python -u
# -*- mode: python; coding: utf-8 -*-
# Copyright (C) 2014, Oscar Acena <oscaracena@gmail.com>
# This software is under the terms of Apache License v2 or later.
from __future__ import print_function
import sys
from threading import Event
from gattlib import GATTRequester
class Requester(GATTRequester):
def __init__(self, wakeup, *args):
GATTRequester.__init__(self, *args)
self.wakeup = wakeup
def on_notification(self, handle, data):
print("- notification on handle: {}\n".format(handle))
self.wakeup.set()
class ReceiveNotification(object):
def __init__(self, address):
self.received = Event()
self.requester = Requester(self.received, address, False)
self.connect()
self.wait_notification()
def connect(self):
print("Connecting...", end=' ')
sys.stdout.flush()
self.requester.connect(True)
print("OK!")
def wait_notification(self):
print("\nThis is a bit tricky. You need to make your device to send\n"
"some notification. I'll wait...")
self.received.wait()
if __name__ == '__main__':
if len(sys.argv) < 2:
print("Usage: {} <addr>".format(sys.argv[0]))
sys.exit(1)
ReceiveNotification(sys.argv[1])
print("Done.")
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