Deployed d8517ce with MkDocs version: 1.5.3

2026-07-12 13:50:50 +00:00 · 2023-10-29 09:04:27 -07:00
parent c291e749fd
commit a0e5bbb23f
72 changed files with 19183 additions and 32 deletions
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+# Copyright 2021-2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# -----------------------------------------------------------------------------
+# Imports
+# -----------------------------------------------------------------------------
+from bumble.device import Device
+from bumble.hci import HCI_Reset_Command
+
+
+# -----------------------------------------------------------------------------
+class Scanner:
+    class ScanEntry:
+        def __init__(self, advertisement):
+            self.address = advertisement.address.to_string(False)
+            self.address_type = (
+                'Public',
+                'Random',
+                'Public Identity',
+                'Random Identity',
+            )[advertisement.address.address_type]
+            self.rssi = advertisement.rssi
+            self.data = advertisement.data.to_string('\n')
+
+    def __init__(self, hci_source, hci_sink):
+        super().__init__()
+        self.device = Device.with_hci(
+            'Bumble', 'F0:F1:F2:F3:F4:F5', hci_source, hci_sink
+        )
+        self.scan_entries = {}
+        self.listeners = {}
+        self.device.on('advertisement', self.on_advertisement)
+
+    async def start(self):
+        print('### Starting Scanner')
+        self.scan_entries = {}
+        self.emit_update()
+        await self.device.power_on()
+        await self.device.start_scanning()
+        print('### Scanner started')
+
+    async def stop(self):
+        # TODO: replace this once a proper reset is implemented in the lib.
+        await self.device.host.send_command(HCI_Reset_Command())
+        await self.device.power_off()
+        print('### Scanner stopped')
+
+    def emit_update(self):
+        if listener := self.listeners.get('update'):
+            listener(list(self.scan_entries.values()))
+
+    def on(self, event_name, listener):
+        self.listeners[event_name] = listener
+
+    def on_advertisement(self, advertisement):
+        self.scan_entries[advertisement.address] = self.ScanEntry(advertisement)
+        self.emit_update()
+
+# -----------------------------------------------------------------------------
+def main(hci_source, hci_sink):
+    return Scanner(hci_source, hci_sink)