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BLE transport: pass WinRT options to BleakClient #98

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Merged
JPHutchins merged 1 commit into from
Feb 5, 2026
Merged

BLE transport: pass WinRT options to BleakClient #98

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5 changes: 4 additions & 1 deletion smpclient/transport/ble.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
from uuid import UUID

from bleak import BleakClient, BleakGATTCharacteristic, BleakScanner
from bleak.args.winrt import WinRTClientArgs
from bleak.backends.client import BaseBleakClient
from bleak.backends.device import BLEDevice
from smp import header as smphdr
Expand Down Expand Up @@ -66,11 +67,12 @@ class SMPBLETransportNotSMPServer(SMPBLETransportException):
class SMPBLETransport(SMPTransport):
"""A Bluetooth Low Energy (BLE) SMPTransport."""

def __init__(self) -> None:
def __init__(self, winrt: WinRTClientArgs = {}) -> None:
self._buffer = bytearray()
self._notify_condition = asyncio.Condition()
self._disconnected_event = asyncio.Event()
self._disconnected_event.set()
self._winrt = winrt

self._max_write_without_response_size = 20
"""Initially set to BLE minimum; may be mutated by the `connect()` method."""
Expand All @@ -90,6 +92,7 @@ async def connect(self, address: str, timeout_s: float) -> None:
self._client = BleakClient(
device,
services=(str(SMP_SERVICE_UUID),),
winrt=self._winrt,
disconnected_callback=self._set_disconnected_event,
)
else:
Expand Down