forked from auracaster/bumble_mirror
61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
# Copyright 2021-2022 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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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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# -----------------------------------------------------------------------------
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# Imports
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# -----------------------------------------------------------------------------
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import logging
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import struct
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from bumble.gatt import (
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Service,
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Characteristic,
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GATT_GENERIC_ACCESS_SERVICE,
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GATT_DEVICE_NAME_CHARACTERISTIC,
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GATT_APPEARANCE_CHARACTERISTIC,
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)
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# -----------------------------------------------------------------------------
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# Logging
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# -----------------------------------------------------------------------------
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logger = logging.getLogger(__name__)
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# -----------------------------------------------------------------------------
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# Classes
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# -----------------------------------------------------------------------------
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# -----------------------------------------------------------------------------
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class GenericAccessService(Service):
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def __init__(self, device_name, appearance=(0, 0)):
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device_name_characteristic = Characteristic(
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GATT_DEVICE_NAME_CHARACTERISTIC,
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Characteristic.Properties.READ,
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Characteristic.READABLE,
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device_name.encode('utf-8')[:248],
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)
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appearance_characteristic = Characteristic(
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GATT_APPEARANCE_CHARACTERISTIC,
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Characteristic.Properties.READ,
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Characteristic.READABLE,
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struct.pack('<H', (appearance[0] << 6) | appearance[1]),
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)
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super().__init__(
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GATT_GENERIC_ACCESS_SERVICE,
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[device_name_characteristic, appearance_characteristic],
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)
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