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Use predefined service uuids #706

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Dec 30, 2021
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Use predefined service uuids #706

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11 changes: 11 additions & 0 deletions examples/detection_callback.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
from bleak import BleakScanner
from bleak.backends.device import BLEDevice
from bleak.backends.scanner import AdvertisementData
from bleak.uuids import uuid16_dict, uuid128_dict

logger = logging.getLogger(__name__)

Expand All @@ -24,6 +25,16 @@ def simple_callback(device: BLEDevice, advertisement_data: AdvertisementData):


async def main(service_uuids):
if len(service_uuids) > 0 and service_uuids[0] == "all":
# in Macos Monterey the service_uuids need to be specified.
# Instead of discovering valid uuids with a different tool
# you can add `all` as argument and it will add all defined
# uuid's from bleak/uuids as a starting point.
logger.info("Adding all known service uuids")
service_uuids.pop(0)
for item in uuid16_dict:
service_uuids.append("{0:04x}".format(item))
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service_uuids.extend(uuid128_dict.keys())
scanner = BleakScanner(service_uuids=service_uuids)
scanner.register_detection_callback(simple_callback)

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