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BTScan.py
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BTScan.py
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from bluepy.btle import Scanner, DefaultDelegate, BTLEDisconnectError, Peripheral, BTLEException
from queue import Queue
from threading import Thread
import logging
_LOGGER = logging.getLogger(__name__)
class OperationType:
LOCK_FULL = 1
LOCK_ONE = 2
LOCK_NIGHT_MODE = 1
UNLOCK = 4
GET_REPORT = 5
ADJUST_NUMBER_OF_ROTATION = 8
START_LEARNING_MODE = 9
DELETE_ALL_CONTROLLERS = 10
GET_READY_FOR_DELETE_USER = 11
BUZZER_REPORT = 12
GET_USERS = 13
GET_INFORMATION = 14
START_UPDATE_MODE = 15
GET_KEY = "!"
WAIT = "&"
DISCONNECT = "#"
GET_CHECK_IN_OUT_TIMES = "?"
GET_AUTO_LOCK_DAY_TIMES = "+"
LEARN_SUCCESS = "*"
class BleServicesAndChracteristicsChars:
CLIENT_CHARACTERISTIC_CONFIG = "00002902-0000-1000-8000-00805f9b34fb"
BLE_SERVICES = ["00035b03-58e6-07dd-021a-08123a000300","49535343-FE7D-4AE5-8FA9-9FAFD205E455","6e400001-b5a3-f393-e0a9-e50e24dcca9e"]
BLE_WRITE_CHARACTERISTICS = {"00035b03-58e6-07dd-021a-08123a000301","49535343-1E4D-4BD9-BA61-23C647249616","6e400002-b5a3-f393-e0a9-e50e24dcca9e"}
BLE_READ_CHARACTERISTICS = {"00035b03-58e6-07dd-021a-08123a0003ff","49535343-1E4D-4BD9-BA61-23C647249616","6e400003-b5a3-f393-e0a9-e50e24dcca9e"}
DEVICE_NAME_CONTENT = "UTOPIC"
class cDelegate(DefaultDelegate):
def __init__(self):
DefaultDelegate.__init__(self)
def handleDiscovery(self, dev, isNewDev, isNewData):
if isNewDev:
print("Discovered device", dev.addr)
elif isNewData:
print("Received new data from", dev.addr)
class Discovery():
def __init__(self):
scanner = Scanner().withDelegate(cDelegate())
self.devices = scanner.scan(10.0)
self.utopicdevice = []
def getDevices(self, address = None):
if address is None:
for dev in self.devices:
print("Device %s (%s), RSSI=%d dB" % (dev.addr, dev.addrType, dev.rssi))
utdv = UtopicDevice(dev)
if utdv.getDevice() is not None:
self.utopicdevice.append(utdv)
else:
print("return device address")
return self.utopicdevice
class UtopicDevice():
def __init__(self, device):
self.device = device
self.utopicdevice = None
self.writeChar = None
self.readChar = None
self.notChar = None
for (adtype, desc, value) in device.getScanData():
print(" %s = %s" % (desc, value))
if value == BleServicesAndChracteristicsChars.DEVICE_NAME_CONTENT:
self.utopicdevice = self
if value in BleServicesAndChracteristicsChars.BLE_SERVICES:
self.serviceuuid = value
def getAddress(self):
return self.device.addr
def getServiceUUID(self):
return self.serviceuuid
def getDevice(self):
return self.utopicdevice
def setWriteCharact(self, writeChar):
self.writeChar = writeChar
def getWriteCharact(self):
return self.writeChar
def setReadCharact(self, readChar):
self.readChar = readChar
def getReadCharact(self):
return self.readChar
def setNotifyCharact(self, notChar):
self.notChar = notChar
def getNotifyCharact(self):
return self.notChar
class BLEMagic(DefaultDelegate):
def __init__(self):
super().__init__()
discover = Discovery()
self.devices = discover.getDevices()
self.utopicKey = None
self.utopicdevices = []
self.periph = None
# create the TX queue
self._tx_queue = Queue()
# start the bluepy IO thread
self._bluepy_thread = Thread(target=self._bluepy_handler)
self._bluepy_thread.name = "bluepy_handler"
self._bluepy_thread.daemon = True
self._bluepy_thread.start()
def handleNotification(self, cHandle, data):
"""This is the notification delegate function from DefaultDelegate
"""
print("\nReceived Notification: %s Handle: %s",str(data), cHandle)
def _bluepy_handler(self):
"""This is the bluepy IO thread
:return:
"""
#ADDRESS OF MAGIC: 04:91:62:25:cb:6f
for utopicdevice in self.devices:
serviceuuid = utopicdevice.getServiceUUID()
address = utopicdevice.getAddress()
# address = "04:91:62:25:cb:6f"
print(address)
if serviceuuid in BleServicesAndChracteristicsChars.BLE_SERVICES:
try:
self.periph = Peripheral(address.upper())
self.periph.withDelegate(self)
print("conecta")
except BTLEDisconnectError as e:
_LOGGER.error("Disconected: %s", e)
except BTLEException as e:
_LOGGER.error("Error: %s", e)
if self.periph is not None:
service = self.periph.getServiceByUUID(serviceuuid)
print(service)
#for charact in service.getCharacteristics():
descs = service.getDescriptors()
for desc in descs:
str_uuid = str(desc.uuid).lower()
print(str_uuid, desc.handle)
if str_uuid in BleServicesAndChracteristicsChars.BLE_WRITE_CHARACTERISTICS:
utopicdevice.setWriteCharact(desc.handle)
if str_uuid in BleServicesAndChracteristicsChars.CLIENT_CHARACTERISTIC_CONFIG:
utopicdevice.setNotifyCharact(desc.handle)
if str_uuid in BleServicesAndChracteristicsChars.BLE_READ_CHARACTERISTICS:
#state = self.kv2dict(charact.read().decode())
#print(state)
utopicdevice.setReadCharact(desc.handle)
subscribe_bytes = b'\x01\x00'
if utopicdevice.getReadCharact() is not None and utopicdevice.getWriteCharact() is not None:
response = self.periph.writeCharacteristic(utopicdevice.getNotifyCharact(), subscribe_bytes, withResponse=True)
print(response)
# now that we're subscribed for notifications, waiting for TX/RX...
while True:
while not self._tx_queue.empty():
msg = self._tx_queue.get_nowait()
msg_bytes = bytes(msg, encoding="utf-8")
self.periph.writeCharacteristic(utopicdevice.getWriteCharact(), msg_bytes)
self.periph.waitForNotifications(1.0)
else:
print("not read")
self.utopicdevices.append(utopicdevice)
def kv2dict(kvstr, sep=";"):
result = {}
for x in kvstr.split(sep, 50):
(k, v) = x.split("=", 2)
result[k] = v
return result
def get_key(self):
return self.utopicKey
def getDevices(self):
return self.utopicdevices
def onDataReceived(self, data):
#String data = new String(dataRaw);
if(data.contains("DEV_KEY:")):
key = data.substring(8,data.length())
self.utopicKey = key
# Database.getInstance().addNewBarrel(UtopicDevice.SelectedUtopicDevice.getMacId(),UtopicDevice.SelectedUtopicDevice.getName(),SelectedTag);
# RecognitionState = eRecognitionState.S2_SENDING_OPEN;
# Utopic
def create_operation(self, type):
if type in (OperationType.GET_KEY, OperationType.DISCONNECT, OperationType.GET_CHECK_IN_OUT_TIMES, OperationType.GET_AUTO_LOCK_DAY_TIMES, OperationType.LEARN_SUCCESS):
return type
else:
utopicKey = self.utopicdevices.getAddress()
myMacAdress = '22:33:44:55:66:77' #GetMacAdress()
userKey = ""
for pos in myMacAdress.split(":"):
userKey += pos
print(userKey)
counter=0
counter+=1
# hashit = counter + type + settings
# self.key = base64.b64encode(hashlib.md5(hashit.encode()).digest())[:16]
# try:
# auth.write("M=0;K=".encode() + self.key, True)
# except:
# print("ERROR: failed to unlock %s - wrong pincode?" % self.name)
# return not self.locked
# Encryption encryp = new Encryption(new BigInteger(userKey.trim(), 16).longValue(), utopicKey);
# byte[] key = encryp.encrypt(counter, operation, settings);
# return key;
def send(self, message):
"""Call this function to send a BLE message over the UART service
:param message: Message to send
:return:
"""
# put the message in the TX queue
self._tx_queue.put_nowait(message)
Ble = BLEMagic()