async def discoverCharacteristics_(
self, service: CBService, use_cached=True
) -> [CBCharacteristic]:
if service.characteristics() is not None and use_cached is True:
return service.characteristics()
sUUID = service.UUID().UUIDString()
event = self._service_characteristic_discovered_events.get_cleared(sUUID)
self.peripheral.discoverCharacteristics_forService_(None, service)
await event.wait()
return service.characteristics()
def peripheralManager_didAddService_error( # noqa: N802
self, peripheral_manager: CBPeripheralManager, service: CBService,
error: NSError):
uuid: str = service.UUID().UUIDString()
if error:
raise BlessError("Failed to add service {}: {}".format(
uuid, error))
logger.debug("Peripheral manager did add service: {}".format(uuid))
logger.debug("service added had characteristics: {}".format(
service.characteristics()))
self._services_added_events[uuid].set()
async def discoverCharacteristics_(self,
service: CBService,
use_cached=True) -> [CBCharacteristic]:
if service.characteristics() is not None and use_cached is True:
return service.characteristics()
serviceUUID = service.UUID().UUIDString()
self._service_characteristic_discovered_log[serviceUUID] = False
self.peripheral.discoverCharacteristics_forService_(None, service)
while not self._service_characteristic_discovered_log[serviceUUID]:
await asyncio.sleep(0.01)
return service.characteristics()
def peripheral_didDiscoverCharacteristicsForService_error_(
self, peripheral: CBPeripheral, service: CBService,
error: NSError):
serviceUUID = service.UUID().UUIDString()
if error is not None:
raise BleakError(
"Failed to discover services for service {}: {}".format(
serviceUUID, error))
logger.debug("Characteristics discovered")
self._service_characteristic_discovered_log[serviceUUID] = True
def did_discover_characteristics_for_service(
self, peripheral: CBPeripheral, service: CBService, error: NSError
):
sUUID = service.UUID().UUIDString()
if error is not None:
raise BleakError(
"Failed to discover services for service {}: {}".format(sUUID, error)
)
logger.debug("Characteristics discovered")
event = self._service_characteristic_discovered_events.get(sUUID)
if event:
event.set()
else:
logger.debug("Unexpected event didDiscoverCharacteristicsForService")