mirror of
https://github.com/thingsboard/thingsboard-gateway
synced 2025-10-26 22:31:42 +08:00
Added building map of device to BLEConnector and processing of the READ characteristics.
This commit is contained in:
zbeacon
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28
thingsboard_gateway/config/ble.json
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28
thingsboard_gateway/config/ble.json
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@@ -0,0 +1,28 @@
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{
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"name": "BLE Connector",
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"rescanIntervalSeconds": 10,
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"scanTimeSeconds": 5,
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"passiveScanMode": true,
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"devices": [
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{
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"name": "Temperature and humidity sensor",
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"readStandardInformation": true,
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"MACAddress": "4C:65:A8:DF:85:C0",
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"checkIntervalSeconds": 10,
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"telemetry": [
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{
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"key": "temperature",
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"characteristicUUID": "00002A00-0000-1000-8000-00805F9B34FB",
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"fromByte": 0,
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"toByte": -1
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}
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],
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"attributes": [
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{
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"key": "batteryLevel",
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"handle": 9
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}
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]
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}
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]
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}
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@@ -11,42 +11,36 @@
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import tb_ble_adapter
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import logging
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from bluepy.btle import DefaultDelegate, Peripheral, Scanner, BTLEDisconnectError
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import random
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from bluepy import __path__ as bluepy_path
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from pprint import pformat
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from bluepy.btle import DefaultDelegate, Peripheral, Scanner
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from bluepy.btle import BTLEDisconnectError, BTLEManagementError, BTLEGattError
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from random import choice
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from string import ascii_lowercase
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import time
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import codecs
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from threading import Thread
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from struct import unpack
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from bluepy.btle import DefaultDelegate, Peripheral, Scanner
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from thingsboard_gateway.connectors.connector import Connector
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logging.basicConfig(level=logging.DEBUG,
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format='%(asctime)s - %(levelname)s - %(module)s - %(lineno)d - %(message)s',
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datefmt='%Y-%m-%d %H:%M:%S')
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log = logging.getLogger(__name__)
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from thingsboard_gateway.connectors.connector import Connector, log
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class BLEConnector(Connector, Thread):
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def __init__(self, gateway, config):
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super().__init__()
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self.__default_service_end = '-0000-1000-8000-00805F9B34FB'
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self.statistics = {'MessagesReceived': 0,
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'MessagesSent': 0}
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self.__gateway = gateway
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self.__config = config
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self.setName(self.__config.get("name",
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'BLE Connector ' + ''.join(random.choice(ascii_lowercase) for _ in range(5))))
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'BLE Connector ' + ''.join(choice(ascii_lowercase) for _ in range(5))))
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self._connected = False
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self.__stopped = False
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self.__previous_scan_time = 0
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self.__rescan_time = self.__config['rescanIntervalSeconds'] if self.__config.get('rescanIntervalSeconds') is not None else 1
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self.__rescan_time = self.__config['rescanIntervalSeconds'] if self.__config.get(
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'rescanIntervalSeconds') is not None else 1
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self.__scanner = Scanner().withDelegate(ScanDelegate(self))
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self.__devices_around = {}
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self.__devices_found = {}
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self.__notify_delegators = {}
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self.__fill_interest_devices()
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self.daemon = True
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@@ -55,14 +49,14 @@ class BLEConnector(Connector, Thread):
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while True:
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if time.time() - self.__previous_scan_time >= self.__rescan_time != 0:
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self.__scan_ble()
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for device_addr in self.__devices_found:
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device = self.__devices_found[device_addr]
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log.debug('%s\t\t%s', device.addr, device.rssi)
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scanned_data = device.getScanData()
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try:
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log.debug(scanned_data[-1][-1])
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except Exception as e:
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log.exception(e)
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# for device_addr in self.__devices_found:
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# device = self.__devices_found[device_addr]
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# # log.debug('%s\t\t%s', device.addr, device.rssi)
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# scanned_data = device.getScanData()
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# try:
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# log.debug(scanned_data[-1][-1])
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# except Exception as e:
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# log.exception(e)
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self.__get_services_and_chars()
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time.sleep(.1)
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if self.__stopped:
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@@ -71,6 +65,12 @@ class BLEConnector(Connector, Thread):
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def close(self):
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self.__stopped = True
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for device in self.__devices_around:
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try:
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self.__devices_around[device]['peripheral'].disconnect()
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except Exception as e:
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log.exception(e)
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raise e
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def get_name(self):
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return self.name
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@@ -81,6 +81,9 @@ class BLEConnector(Connector, Thread):
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def server_side_rpc_handler(self, content):
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pass
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def is_connected(self):
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return self._connected
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def open(self):
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self.__stopped = False
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self.start()
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@@ -89,50 +92,74 @@ class BLEConnector(Connector, Thread):
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for interested_device in self.__devices_around:
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if device.addr.upper() == interested_device:
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self.__devices_around[interested_device]['scanned_device'] = device
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else:
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if device.addr not in self.__devices_found:
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self.__devices_found[device.addr] = device
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log.debug('Device with address: %s - found.', device.addr.upper())
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else:
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log.debug('Unknown device with address: %s - found.', device.addr.upper())
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def __get_services_and_chars(self):
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for device in self.__devices_around:
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try:
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if self.__devices_around.get(device) is not None and self.__devices_around[device].get('scanned_device') is not None:
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log.debug('Trying connect to device with address: %s',
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if self.__devices_around.get(device) is not None and self.__devices_around[device].get(
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'scanned_device') is not None:
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log.debug('Connecting to device with address: %s',
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self.__devices_around[device]['scanned_device'].addr.upper())
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new_device = False
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if self.__devices_around[device].get('peripheral') is None:
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peripheral = Peripheral(self.__devices_around[device]['scanned_device'])
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self.__devices_around[device]['peripheral'] = peripheral
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new_device = True
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else:
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peripheral = self.__devices_around[device]['peripheral']
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peripheral.connect(self.__devices_around[device]['scanned_device'])
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services = peripheral.getServices()
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for service in services:
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if self.__devices_around[device].get('services') is None:
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log.debug('Building device %s map, it may take a time, please wait...', device)
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self.__devices_around[device]['services'] = {}
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service_uuid = str(service.uuid).upper()
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if self.__devices_around[device]['services'].get(service_uuid) is None:
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self.__devices_around[device]['services'][service_uuid] = {}
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for characteristic in service.getCharacteristics():
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log.debug('\n\nCharacteristic %s found in device %s,\n mode: %s,\n Characteristic name: %s,\n Characteristic UUID: %s,\n Characteristic handle: %s\n',
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characteristic,
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device,
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characteristic.propertiesToString(),
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characteristic.uuid.getCommonName(),
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characteristic.uuid,
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characteristic.handle)
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log.debug('service uuid: %s', service_uuid)
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service_available = self.__devices_around[device]['services'].get(service_uuid)
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if service_available is None:
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self.__devices_around[device]['services'][service_uuid] = {"service_object": service,
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"characteristic": [characteristic],
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}
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else:
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service_available['characteristic'].append(characteristic)
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self.__service_processing()
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descriptors = []
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try:
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self.__check_and_reconnect(device)
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try:
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descriptors = characteristic.getDescriptors()
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except BTLEDisconnectError:
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self.__check_and_reconnect(device)
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descriptors = characteristic.getDescriptors()
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except BTLEGattError:
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log.debug('Device %s - services, characteristics and descriptors found.', device)
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except Exception as e:
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log.exception(e)
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characteristic_uuid = str(characteristic.uuid).upper()
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self.__devices_around[device]['services'][service_uuid][characteristic_uuid] = {
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'characteristic': characteristic,
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'descriptors': {}}
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for descriptor in descriptors:
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self.__devices_around[device]['services'][service_uuid][characteristic_uuid][
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'descriptors'] = {str(descriptor.uuid).upper(): descriptor}
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except BTLEDisconnectError:
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self.__check_and_reconnect(device)
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if new_device:
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self.__new_device_processing(device)
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self.__service_processing(device)
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except BTLEDisconnectError:
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log.debug('Cannot connect to device.')
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continue
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except Exception as e:
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log.exception(e)
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self.__previous_scan_time = time.time()
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def __new_device_processing(self, device):
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if self.__config.get('readStandardInformation', False):
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log.debug(pformat(self.__devices_around[device]))
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# TODO READ STANDARD INFORMATION
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def __check_and_reconnect(self, device):
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while self.__devices_around[device]['peripheral']._helper is None:
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self.__devices_around[device]['peripheral'].connect(self.__devices_around[device]['scanned_device'])
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def __notify_handler(self, device, notify_handle, delegate=None):
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class NotifyDelegate(DefaultDelegate):
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@@ -144,11 +171,11 @@ class BLEConnector(Connector, Thread):
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def handleNotification(self, handle, data):
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self.incoming_data = data
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self.data = data
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log.debug('Notification received handle, data:')
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log.debug(handle)
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fromByte = 0
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toByte = -1
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# self.data = {"temperature": data.decode('UTF-8')[2:6], "humidity": data.decode('UTF-8')[9:13]}
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self.data = {"temperature": data.decode('UTF-8')}
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log.debug(data)
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if delegate is None:
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delegate = NotifyDelegate()
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device['peripheral'].withDelegate(delegate)
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@@ -157,60 +184,98 @@ class BLEConnector(Connector, Thread):
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log.debug("Data received: %s", delegate.data)
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return delegate
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def __service_processing(self):
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for device in self.__devices_around:
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for service_uuid in self.__devices_around[device]['interest_services']:
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if self.__devices_around[device]['peripheral']._helper is None:
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self.__devices_around[device]['peripheral'].connect(self.__devices_around[device]['scanned_device'])
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service_processing_conf = self.__devices_around[device]['interest_services'][service_uuid]
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log.debug('Service with UUID: %s processing for %s key %s',
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service_uuid,
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service_processing_conf['type'],
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service_processing_conf['section_config']['key'])
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for characteristic in self.__devices_around[device]['services'][service_uuid]['characteristic']:
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if self.__devices_around[device]['peripheral']._helper is None:
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self.__devices_around[device]['peripheral'].connect(self.__devices_around[device]['scanned_device'])
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def __service_processing(self, device):
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for uuid in self.__devices_around[device]['interest_uuid']:
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for service in self.__devices_around[device]['services']:
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if uuid in self.__devices_around[device]['services'][service]:
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characteristic = self.__devices_around[device]['services'][service][uuid]['characteristic']
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log.debug(characteristic)
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log.debug(characteristic.propertiesToString())
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if 'READ' not in characteristic.propertiesToString() and 'NOTIFY' in characteristic.propertiesToString():
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self.__notify_delegators[str(characteristic.uuid).upper()] = self.__notify_handler(
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self.__devices_around[device],
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characteristic.handle+1,
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self.__notify_delegators.get(str(characteristic.uuid).upper()))
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else:
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try:
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log.debug('Characteristic with name: "%s" and uuid: %s - processing.', characteristic.uuid.getCommonName(), uuid)
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self.__check_and_reconnect(device)
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characteristic_processing_conf = self.__devices_around[device]['interest_uuid'][uuid]['section_config']
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if 'READ' in characteristic.propertiesToString():
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self.__check_and_reconnect(device)
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data = characteristic.read()
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log.debug(data)
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# data = {"temperature": data.decode('UTF-8')[2:6], "humidity": data.decode('UTF-8')[9:13]}
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data = data.decode('UTF-8')
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log.debug('data: %s', data)
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except:
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pass
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# for desc in self.__devices_around[device]['peripheral'].getDescriptors():
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# try:
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# if self.__devices_around[device]['peripheral']._helper is None:
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# self.__devices_around[device]['peripheral'].connect(self.__devices_around[device]['scanned_device'])
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# if desc.uuid.getCommonName() == 'Service Changed':
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#
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# log.debug(desc)
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# # log.debug(desc.read())
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# log.debug(desc.uuid)
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# log.debug(desc.handle)
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# self.__notify_delegators[str(desc.uuid).upper()] = self.__notify_handler(self.__devices_around[device],
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# int.from_bytes(bytes.fromhex(str(desc.handle)), "big"),
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# self.__notify_delegators.get(str(desc.uuid).upper()))
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# except Exception as e:
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# log.error(e)
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# for characteristic in self.__devices_around[device]['services'][service_uuid]['characteristic']:
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# self.__check_and_reconnect(device)
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# log.debug(characteristic)
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# log.debug(characteristic.propertiesToString())
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# characteristic_properties = characteristic.propertiesToString()
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# if 'NOTIFY' in characteristic.propertiesToString() or 'READ' in characteristic.propertiesToString():
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# descriptors = characteristic.getDescriptors()
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# for descriptor in descriptors:
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# try:
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# if 'READ' in characteristic_properties:
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# log.debug(descriptor.handle)
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# if descriptor.handle != 17 and descriptor.handle != 26 and descriptor.handle != 43 and descriptor.handle != 47:
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# self.__check_and_reconnect(device)
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# log.debug(descriptor.read())
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# elif 'NOTIFY' in characteristic_properties:
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# log.debug(characteristic.handle)
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# if descriptor.handle != 17 and descriptor.handle != 26 and descriptor.handle != 43:
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# if self.__devices_around[device]['peripheral']._helper is None:
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# self.__devices_around[device]['peripheral'].connect(
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# self.__devices_around[device]['scanned_device'])
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# self.__notify_delegators[str(descriptor.uuid).upper()] = self.__notify_handler(
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# self.__devices_around[device],
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# descriptor.handle + 1,
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# self.__notify_delegators.get(str(descriptor.uuid).upper()))
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# self.__notify_delegators[descriptor.handler] = {'function': self.__notify_handler,
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# 'args': (
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# self.__devices_around[device],
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# descriptor.handle + 1,
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# self.__notify_delegators.get(
|
||||
# str(descriptor.uuid).upper()))
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# }
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# except Exception as e:
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# log.exception(e)
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|
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def __scan_ble(self):
|
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log.debug("Scanning for devices...")
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try:
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devices = self.__scanner.scan(15)
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log.debug(devices)
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except BTLEDisconnectError:
|
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pass
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self.__scanner.scan(self.__config.get('scanTimeSeconds', 5), passive=self.__config.get('passiveScanMode', False))
|
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except BTLEManagementError as e:
|
||||
log.error('BLE working only with root user.')
|
||||
log.error('Or you can try this command:\nsudo setcap '
|
||||
'\'cap_net_raw,cap_net_admin+eip\' %s'
|
||||
'\n====== Attention! ====== '
|
||||
'\nCommand above - provided access to ble devices to any user.'
|
||||
'\n========================', str(bluepy_path[0] + '/bluepy-helper'))
|
||||
self._connected = False
|
||||
raise e
|
||||
except Exception as e:
|
||||
log.exception(e)
|
||||
time.sleep(10)
|
||||
|
||||
def __fill_interest_devices(self):
|
||||
for interest_device in self.__config.get('devices'):
|
||||
keys_in_config = ['attributes', 'telemetry']
|
||||
if interest_device.get('MACAddress') is not None:
|
||||
interest_services = {}
|
||||
interest_uuid = {}
|
||||
for key_type in keys_in_config:
|
||||
for type_section in interest_device.get(key_type):
|
||||
if type_section.get("serviceId") is not None:
|
||||
interest_services[type_section["serviceId"].upper()] = {'section_config': type_section,
|
||||
if type_section.get("characteristicUUID") is not None:
|
||||
interest_uuid[type_section["characteristicUUID"].upper()] = {'section_config': type_section,
|
||||
'type': key_type}
|
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if self.__devices_around.get(interest_device['MACAddress'].upper()) is None:
|
||||
self.__devices_around[interest_device['MACAddress'].upper()] = {}
|
||||
self.__devices_around[interest_device['MACAddress'].upper()]['interest_services'] = interest_services
|
||||
self.__devices_around[interest_device['MACAddress'].upper()]['interest_uuid'] = interest_uuid
|
||||
else:
|
||||
log.error("Device address not found, please check your settings.")
|
||||
|
||||
@@ -223,50 +288,3 @@ class ScanDelegate(DefaultDelegate):
|
||||
def handleDiscovery(self, dev, is_new_device, is_new_data):
|
||||
if is_new_device:
|
||||
self.__connector.device_add(dev)
|
||||
|
||||
def handleNotification(self, handle, data):
|
||||
log.debug('Received notification for handle: %s', handle)
|
||||
log.debug(data)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
test_config = {
|
||||
"name": "BLE Connector",
|
||||
"rescanIntervalSeconds": 10,
|
||||
"devices": [
|
||||
{
|
||||
"name": "Temperature and humidity sensor",
|
||||
"notify": True,
|
||||
"MACAddress": "EC:C8:BB:6E:05:67",
|
||||
"checkIntervalMillis": 10000,
|
||||
"telemetry": [
|
||||
{
|
||||
"key": "temperature",
|
||||
"serviceId": "00001800-0000-1000-8000-00805F9B34FB",
|
||||
"fromNotify": True,
|
||||
"fromByte": 0,
|
||||
"toByte": -1,
|
||||
}
|
||||
],
|
||||
"attributes": [
|
||||
{
|
||||
"key": "batteryLevel",
|
||||
"handle": 0x15,
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
|
||||
connector = BLEConnector(None, test_config)
|
||||
try:
|
||||
connector.open()
|
||||
log.debug('Started')
|
||||
except Exception as e:
|
||||
log.exception(e)
|
||||
log.error(e)
|
||||
connector.close()
|
||||
while True:
|
||||
time.sleep(.1)
|
||||
# connector.close()
|
||||
# break
|
||||
|
||||
@@ -32,6 +32,10 @@ class Connector(ABC):
|
||||
def get_name(self):
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def is_connected(self):
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def on_attributes_update(self, content):
|
||||
pass
|
||||
|
||||
@@ -25,6 +25,7 @@ from thingsboard_gateway.tb_utility.tb_utility import TBUtility
|
||||
from thingsboard_gateway.connectors.mqtt.mqtt_connector import MqttConnector
|
||||
from thingsboard_gateway.connectors.opcua.opcua_connector import OpcUaConnector
|
||||
from thingsboard_gateway.connectors.modbus.modbus_connector import ModbusConnector
|
||||
from thingsboard_gateway.connectors.ble.ble_connector import BLEConnector
|
||||
from thingsboard_gateway.storage.memory_event_storage import MemoryEventStorage
|
||||
from thingsboard_gateway.storage.file_event_storage import FileEventStorage
|
||||
|
||||
@@ -57,6 +58,7 @@ class TBGatewayService:
|
||||
"mqtt": MqttConnector,
|
||||
"modbus": ModbusConnector,
|
||||
"opcua": OpcUaConnector,
|
||||
"ble": BLEConnector,
|
||||
}
|
||||
self.__event_storage_types = {
|
||||
"memory": MemoryEventStorage,
|
||||
@@ -135,6 +137,7 @@ class TBGatewayService:
|
||||
connector.open()
|
||||
except Exception as e:
|
||||
log.exception(e)
|
||||
connector.close()
|
||||
|
||||
def __send_statistic(self):
|
||||
self.tb_client.client.gw_send_telemetry()
|
||||
|
||||
Reference in New Issue
Block a user