def centralManager_didDiscoverPeripheral_advertisementData_RSSI_(
self,
central: CBCentralManager,
peripheral: CBPeripheral,
advertisementData: NSDictionary,
RSSI: NSNumber,
):
# Note: this function might be called several times for same device.
# Example a first time with the following keys in advertisementData:
# ['kCBAdvDataLocalName', 'kCBAdvDataIsConnectable', 'kCBAdvDataChannel']
# ... and later a second time with other keys (and values) such as:
# ['kCBAdvDataServiceUUIDs', 'kCBAdvDataIsConnectable', 'kCBAdvDataChannel']
#
# i.e it is best not to trust advertisementData for later use and data
# from it should be copied.
#
# This behaviour could be affected by the
# CBCentralManagerScanOptionAllowDuplicatesKey global setting.
uuid_string = peripheral.identifier().UUIDString()
if uuid_string in self.devices:
device = self.devices[uuid_string]
else:
address = uuid_string
name = peripheral.name() or None
details = peripheral
device = BLEDeviceCoreBluetooth(address, name, details)
self.devices[uuid_string] = device
device._rssi = float(RSSI)
device._update(advertisementData)
logger.debug("Discovered device {}: {} @ RSSI: {} (kCBAdvData {})".format(
uuid_string, device.name, RSSI, advertisementData.keys()))
def did_discover_peripheral(
self,
central: CBCentralManager,
peripheral: CBPeripheral,
advertisementData: NSDictionary,
RSSI: NSNumber,
):
# Note: this function might be called several times for same device.
# This can happen for instance when an active scan is done, and the
# second call with contain the data from the BLE scan response.
# Example a first time with the following keys in advertisementData:
# ['kCBAdvDataLocalName', 'kCBAdvDataIsConnectable', 'kCBAdvDataChannel']
# ... and later a second time with other keys (and values) such as:
# ['kCBAdvDataServiceUUIDs', 'kCBAdvDataIsConnectable', 'kCBAdvDataChannel']
#
# i.e it is best not to trust advertisementData for later use and data
# from it should be copied.
#
# This behaviour could be affected by the
# CBCentralManagerScanOptionAllowDuplicatesKey global setting.
uuid_string = peripheral.identifier().UUIDString()
if uuid_string in self.devices:
device = self.devices[uuid_string]
# It could be the device did not have a name previously but now it does.
if peripheral.name():
device.name = peripheral.name()
else:
address = uuid_string
name = peripheral.name() or None
details = peripheral
device = BLEDeviceCoreBluetooth(address,
name,
details,
delegate=self)
self.devices[uuid_string] = device
device.rssi = RSSI
device._update(advertisementData)
for callback in self.callbacks.values():
if callback:
callback(peripheral, advertisementData, RSSI)
logger.debug(
"Discovered device {}: {} @ RSSI: {} (kCBAdvData {}) and Central: {}"
.format(uuid_string, device.name, RSSI, advertisementData.keys(),
central))
async def retrieveConnected_(self, scan_options) -> List[CBPeripheral]:
self.devices = {}
service_uuids = []
if "service_uuids" in scan_options:
service_uuids_str = scan_options["service_uuids"]
service_uuids = NSArray.alloc().initWithArray_(
list(map(string2uuid, service_uuids_str)))
peripherals = self.central_manager.retrieveConnectedPeripheralsWithServices_(
service_uuids)
# Add all those peripherals:
for peripheral in peripherals:
uuid_string = peripheral.identifier().UUIDString()
if uuid_string in self.devices:
device = self.devices[uuid_string]
else:
address = uuid_string
name = peripheral.name() or None
details = peripheral
device = BLEDeviceCoreBluetooth(address, name, details)
self.devices[uuid_string] = device
logger.debug("Connected device {}: {}".format(
uuid_string, device.name))
return []