forked from auracaster/bumble_mirror
74 lines
2.6 KiB
Python
74 lines
2.6 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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from bumble.device import Device
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from bumble.hci import HCI_Reset_Command
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# -----------------------------------------------------------------------------
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class Scanner:
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class ScanEntry:
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def __init__(self, advertisement):
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self.address = advertisement.address.to_string(False)
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self.address_type = (
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'Public',
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'Random',
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'Public Identity',
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'Random Identity',
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)[advertisement.address.address_type]
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self.rssi = advertisement.rssi
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self.data = advertisement.data.to_string('\n')
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def __init__(self, hci_source, hci_sink):
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super().__init__()
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self.device = Device.with_hci(
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'Bumble', 'F0:F1:F2:F3:F4:F5', hci_source, hci_sink
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)
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self.scan_entries = {}
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self.listeners = {}
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self.device.on('advertisement', self.on_advertisement)
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async def start(self):
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print('### Starting Scanner')
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self.scan_entries = {}
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self.emit_update()
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await self.device.power_on()
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await self.device.start_scanning()
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print('### Scanner started')
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async def stop(self):
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# TODO: replace this once a proper reset is implemented in the lib.
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await self.device.host.send_command(HCI_Reset_Command())
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await self.device.power_off()
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print('### Scanner stopped')
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def emit_update(self):
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if listener := self.listeners.get('update'):
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listener(list(self.scan_entries.values()))
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def on(self, event_name, listener):
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self.listeners[event_name] = listener
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def on_advertisement(self, advertisement):
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self.scan_entries[advertisement.address] = self.ScanEntry(advertisement)
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self.emit_update()
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# -----------------------------------------------------------------------------
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def main(hci_source, hci_sink):
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return Scanner(hci_source, hci_sink)
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