def connect(self):
self.log.info('Connecting...')
self.peripheral = None
if cb.get_state() <> 5:
self.log.warning('Bluetooth not enabled...')
while cb.get_state() <> 5:
time.sleep(1)
cb.set_central_delegate(self)
self.log.info( '## Scanning for peripherals... ##')
with self.cv:
cb.scan_for_peripherals()
self.cv.wait(15)
if not self.ready:
self.disconnect()
result = False
else:
result = True
self.log.info(result)
return result
def did_discover_services(self, p, error): cb.get_state() print "Name:", p.name print "UUID:", p.uuid if p.state == 0: print "STAT: Disconnected" if p.state == 1: print "STAT: Connecting" if p.state == 2: print "STAT: Connected" time.sleep(0.4) print "AUTH:", cb.CH_PROP_AUTHENTICATED_SIGNED_WRITES time.sleep(0.4) print "Properties:", cb.CH_PROP_EXTENDED_PROPERTIES time.sleep(0.4) print "Indicate:", cb.CH_PROP_INDICATE time.sleep(0.4) print "Encryption:", cb.CH_PROP_NOTIFY_ENCRYPTION_REQUIRED time.sleep(0.4) print "Services:" for s in p.services: print "-" + str(s.uuid) p.discover_characteristics(s)
def did_discover_services(self, p, error):
print('did_discover_services({})'.format(p.name))
cb.get_state()
print("Name:", p.name)
print("UUID:", p.uuid)
try:
state = 'Disconnected Connecting Connected'.split()[p.state]
except IndexError:
state = 'Invalid state ({})'.format(p.state)
print("STAT: ", state)
time.sleep(0.4)
print("AUTH:", cb.CH_PROP_AUTHENTICATED_SIGNED_WRITES)
time.sleep(0.4)
print("Properties:", cb.CH_PROP_EXTENDED_PROPERTIES)
time.sleep(0.4)
print("Indicate:", cb.CH_PROP_INDICATE)
time.sleep(0.4)
print("Encryption:", cb.CH_PROP_NOTIFY_ENCRYPTION_REQUIRED)
time.sleep(0.4)
print("{} Services:".format(len(p.services)))
for s in p.services:
print("-" + str(s.uuid))
p.discover_characteristics(s)
def discover_BLE_characteristics(lodBLE):
""" discover bluetooth le peripherals and their chracteristics
expects lodBLE : a list of dictionaries defining what to be searched
returns bleDelegate object
"""
cb.set_verbose(True)
cb.reset()
Delg = bleDelegate(lodBLE)
cb.set_central_delegate(Delg)
cb.scan_for_peripherals()
logger.info('Waiting for callbacks state=%s' % (cb.get_state()))
while not Delg.allFound():
time.sleep(1)
logger.info('found %d characteristics' % len(Delg.charFound))
cb.stop_scan()
return Delg