Comments (19)
bdraco
commented on August 28, 2024
WebBluetoothCG/web-bluetooth#513
from aiohomekit.
bdraco
commented on August 28, 2024
the service uuid is there, but its not being enumerated by bluez
[bluetooth]# info FA:8F:A4:3F:A3:2B
Device FA:8F:A4:3F:A3:2B (random)
Name: SYLVANIA Flex SA C-3225
Alias: SYLVANIA Flex SA C-3225
Paired: no
Trusted: no
Blocked: no
Connected: no
LegacyPairing: no
UUID: Vendor specific (0000003e-0000-1000-8000-0026bb765291)
UUID: Vendor specific (00000043-0000-1000-8000-0026bb765291)
UUID: Vendor specific (00000055-0000-1000-8000-0026bb765291)
UUID: Vendor specific (000000a2-0000-1000-8000-0026bb765291)
UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
UUID: Vendor specific (1b7e8251-2877-41c3-b46e-cf057c562023)
UUID: Vendor specific (ae5d1e47-5c13-43a0-8635-82ad38a1381f)
UUID: Vendor specific (b0733e83-8434-4c00-a344-25d1c982a0ef)
ManufacturerData Key: 0x004c
ManufacturerData Value:
from aiohomekit.
bdraco
commented on August 28, 2024
[bluetooth]# list-attributes FA:8F:A4:3F:A3:2B
Primary Service (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff3a
1b7e8251-2877-41c3-b46e-cf057c562023
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff3a/charff3e
8ac32d3f-5cb9-4d44-bec2-ee689169f626
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff3a/charff3e/descff40
00002902-0000-1000-8000-00805f9b34fb
Client Characteristic Configuration
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff3a/charff3b
5e9bf2a8-f93f-4481-a67e-3b2f4a07891a
Vendor specific
Primary Service (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff11
b0733e83-8434-4c00-a344-25d1c982a0ef
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff11/charff1e
b31259a5-9acc-45c2-838a-956f57825196
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff11/charff1e/descff20
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff11/charff1b
b2fd7f2d-ead3-4f17-b16c-202ec758c697
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff11/charff1b/descff1d
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff11/charff17
b176bd7f-4148-47bd-a6c6-9d0796e96183
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff11/charff17/descff1a
00002902-0000-1000-8000-00805f9b34fb
Client Characteristic Configuration
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff11/charff17/descff19
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff11/charff14
000000a5-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff11/charff14/descff16
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff11/charff12
e604e95d-a759-4817-87d3-aa005083a0d1
Vendor specific
Primary Service (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff00
ae5d1e47-5c13-43a0-8635-82ad38a1381f
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff00/charff06
a47f7608-2e2d-47eb-913b-75d4edc4de4b
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff00/charff04
a2e86c7a-d961-4091-b74f-2409e72efe26
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff00/charff01
a3dd50bf-f7a7-4e99-838e-570a086c661b
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/serviceff00/charff01/descff03
00002902-0000-1000-8000-00805f9b34fb
Client Characteristic Configuration
Primary Service (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service00f0
00000055-0000-1000-8000-0026bb765291
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service00f0/char00fc
00000050-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service00f0/char00fc/desc00fe
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service00f0/char00f9
0000004f-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service00f0/char00f9/desc00fb
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service00f0/char00f6
0000004e-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service00f0/char00f6/desc00f8
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service00f0/char00f3
0000004c-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service00f0/char00f3/desc00f5
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service00f0/char00f1
e604e95d-a759-4817-87d3-aa005083a0d1
Vendor specific
Primary Service (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0040
000000a2-0000-1000-8000-0026bb765291
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0040/char0046
00000037-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0040/char0046/desc0048
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0040/char0043
000000a5-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0040/char0043/desc0045
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0040/char0041
e604e95d-a759-4817-87d3-aa005083a0d1
Vendor specific
Primary Service (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028
0000003e-0000-1000-8000-0026bb765291
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char003d
00000220-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char003d/desc003f
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char003a
00000052-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char003a/desc003c
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char0037
00000030-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char0037/desc0039
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char0034
00000023-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char0034/desc0036
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char0031
00000021-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char0031/desc0033
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char002e
00000020-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char002e/desc0030
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char002b
00000014-0000-1000-8000-0026bb765291
Vendor specific
Descriptor (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char002b/desc002d
dc46f0fe-81d2-4616-b5d9-6abdd796939a
Vendor specific
Characteristic (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0028/char0029
e604e95d-a759-4817-87d3-aa005083a0d1
Vendor specific
Primary Service (Handle 0x0000)
/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0001
00001801-0000-1000-8000-00805f9b34fb
Generic Attribute Profile
from aiohomekit.
bdraco
commented on August 28, 2024
2022-08-08 14:10:35.618 DEBUG (MainThread) [bleak.backends.bluezdbus.manager] received D-Bus signal: org.freedesktop.DBus.ObjectManager.InterfacesAdded (/): ['/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0050/char0080', {'org.freedesktop.DBus.Introspectable': {}, 'org.bluez.GattCharacteristic1': {'UUID': <dbus_next.signature.Variant ('s', 00000025-0000-1000-8000-0026bb765291)>, 'Service': <dbus_next.signature.Variant ('o', /org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0050)>, 'Value': <dbus_next.signature.Variant ('ay', bytearray(b''))>, 'Notifying': <dbus_next.signature.Variant ('b', False)>, 'Flags': <dbus_next.signature.Variant ('as', ['read', 'write', 'indicate'])>, 'MTU': <dbus_next.signature.Variant ('q', 515)>}, 'org.freedesktop.DBus.Properties': {}}]
But it does like it is coming over but we never end up with it the char table
from aiohomekit.
bdraco
commented on August 28, 2024
So the char is there, but the desc is missing
2022-08-08 14:10:35.618 DEBUG (MainThread) [bleak.backends.bluezdbus.manager] received D-Bus signal: org.freedesktop.DBus.ObjectManager.InterfacesAdded (/): ['/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0050/char0080', {'org.freedesktop.DBus.Introspectable': {}, 'org.bluez.GattCharacteristic1': {'UUID': <dbus_next.signature.Variant ('s', 00000025-0000-1000-8000-0026bb765291)>, 'Service': <dbus_next.signature.Variant ('o', /org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B/service0050)>, 'Value': <dbus_next.signature.Variant ('ay', bytearray(b''))>, 'Notifying': <dbus_next.signature.Variant ('b', False)>, 'Flags': <dbus_next.signature.Variant ('as', ['read', 'write', 'indicate'])>, 'MTU': <dbus_next.signature.Variant ('q', 515)>}, 'org.freedesktop.DBus.Properties': {}}]
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bdraco
commented on August 28, 2024
2022-08-09 10:58:51.035 ERROR (MainThread) [homeassistant.config_entries] Error setting up entry SYLVANIA Flex S for homekit_controller
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/config_entries.py", line 357, in async_setup
result = await component.async_setup_entry(hass, self)
File "/usr/src/homeassistant/homeassistant/components/homekit_controller/__init__.py", line 42, in async_setup_entry
await conn.async_setup()
File "/usr/src/homeassistant/homeassistant/components/homekit_controller/connection.py", line 204, in async_setup
await self.pairing.async_populate_accessories_state(force_update=True)
File "/usr/local/lib/python3.10/site-packages/aiohomekit/controller/ble/pairing.py", line 550, in async_populate_accessories_state
await self._async_populate_accessories_state(force_update)
File "/usr/local/lib/python3.10/site-packages/aiohomekit/controller/ble/pairing.py", line 100, in _async_wrap
return await func(self, *args, **kwargs)
File "/usr/local/lib/python3.10/site-packages/aiohomekit/controller/ble/client.py", line 62, in _async_wrap
return await func(*args, **kwargs)
File "/usr/local/lib/python3.10/site-packages/aiohomekit/controller/ble/pairing.py", line 560, in _async_populate_accessories_state
await self._populate_accessories_and_characteristics(force_update)
File "/usr/local/lib/python3.10/site-packages/aiohomekit/controller/ble/pairing.py", line 597, in _populate_accessories_and_characteristics
await self._populate_char_values(config_changed)
File "/usr/local/lib/python3.10/site-packages/aiohomekit/controller/ble/pairing.py", line 529, in _populate_char_values
results = await self._get_characteristics_while_connected(chars)
File "/usr/local/lib/python3.10/site-packages/aiohomekit/controller/ble/pairing.py", line 718, in _get_characteristics_while_connected
data = await self._async_request_under_lock(OpCode.CHAR_READ, char)
File "/usr/local/lib/python3.10/site-packages/aiohomekit/controller/ble/pairing.py", line 270, in _async_request_under_lock
endpoint = self.client.get_characteristic(char.service.type, char.type)
File "/usr/local/lib/python3.10/site-packages/aiohomekit/controller/ble/bleak.py", line 31, in get_characteristic
char = self.services.get_service(service_type).get_characteristic(
AttributeError: 'NoneType' object has no attribute 'get_characteristic'
from aiohomekit.
bdraco
commented on August 28, 2024
We get this back from dbus 2022-08-09 11:11:02.209 DEBUG (MainThread) [bleak.backends.bluezdbus.manager] received D-Bus signal: org.freedesktop.DBus.Properties.PropertiesChanged (/org/bluez/hci0/dev_FA_8F_A4_3F_A3_2B): ['org.bluez.Device1', {'UUIDs': <dbus_next.signature.Variant ('as', ['0000003e-0000-1000-8000-0026bb765291', '00000043-0000-1000-8000-0026bb765291', '00000055-0000-1000-8000-0026bb765291', '000000a2-0000-1000-8000-0026bb765291', '00001800-0000-1000-8000-00805f9b34fb', '00001801-0000-1000-8000-00805f9b34fb', '1b7e8251-2877-41c3-b46e-cf057c562023', 'ae5d1e47-5c13-43a0-8635-82ad38a1381f', 'b0733e83-8434-4c00-a344-25d1c982a0ef'])>, 'ServicesResolved': <dbus_next.signature.Variant ('b', True)>}, []]
But 00000043-0000-1000-8000-0026bb765291 never gets an InterfaceAdded callback
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bdraco
commented on August 28, 2024
from aiohomekit.
bdraco
commented on August 28, 2024
Could be related to bluez/bluez#316 but I don't think so
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dlech
commented on August 28, 2024
Did you log Bluetooth packets with Wireshark to see if this device isn't following the Bluetooth spec which could cause BlueZ to skip the characteristic?
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bdraco
commented on August 28, 2024
I did but its sitting on a computer 4000 miles away that I can't get to at the moment.
Let me see if I have one of them here.
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bdraco
commented on August 28, 2024
Found a device that has the issue. Any specific capture flags that would be helpful?
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bdraco
commented on August 28, 2024
Here it the pairing attempt with the missing chars
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bdraco
commented on August 28, 2024
[Destination: eb:4a:1b:6e:b7:83 (eb:4a:1b:6e:b7:83)]
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dlech
commented on August 28, 2024
Based on the linked BlueZ issues, I would look at the "Read By Group Type Response" packets.
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bdraco
commented on August 28, 2024
Nov 06 19:14:58 homeassistant bluetoothd[401]: src/device.c:store_chrc() Error storing characteristic - can't get data
Nov 06 19:14:58 homeassistant bluetoothd[401]: src/device.c:store_chrc() Error storing characteristic - can't get data
This appears in the log for the chars that it can't process
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bdraco
commented on August 28, 2024
I was hoping the patches in home-assistant/operating-system#2285 would fix this issue but it looks like its a different problem with BlueZ
Dec 24 00:31:37 homeassistant bluetoothd[406]: src/device.c:store_chrc() Error storing characteristic - can't get data
Dec 24 00:31:37 homeassistant bluetoothd[406]: src/device.c:store_chrc() Error storing characteristic - can't get data
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bdraco
commented on August 28, 2024
It might be fixed in newer bluez actually since Error storing characteristic no longer appears in the bluez source
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bdraco
commented on August 28, 2024
might be solved by bluez/bluez@7604a57
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Related Issues (20)
- Don't fetch programmable switch events on reconnect without getting a GATT notify for them HOT 5
- There is a race where we can be waiting for the device to be detected at startup and we get it more than once because we don't clear it before its detected again
- Fetching friendly_name does a linear search
- Using aiohomekit standalone: transport not supported HOT 2
- Eve Degree: Various BLE errors HOT 1
- asyncio.exceptions.TimeoutError during zeroconf search needs to be re-raised as AccessoryNotFoundError
- Log says "pairing established" but any interaction throws "is no known alias" HOT 4
- `first` to get accessory_info at startup is unexpectedly expensive
- Connection refused HOT 2
- BLE Pairing can fail due to race
- BLE callbacks can error if a device is unpairing because the cache has been deleted
- Missing Service cache clear is missing from pairing process
- Many callback to Called async_set_available_state with True at startup HOT 1
- Video & Intercom Doorbell in HA HOT 6
- BLE Events might still be read when processing disconnected notifications
- Out of order pairing steps when using HomeSpan (async race condition?) HOT 15
- Disconnect during operation can result in an empty event
- Implement happy eye balls with aiohappyeyeballs HOT 1
- Consider lowering the Happy Eyeballs delay to 0.1 from 0.25
- Add support for link local ipv6 addresses now that we have Happy Eyeballs HOT 1
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