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Checks / tests (ubuntu-latest, 3.11) (push) Canceled after 0s
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66 lines
2.8 KiB
Python
66 lines
2.8 KiB
Python
"""Inspect MX-T40 BLE services without reading/writing control values."""
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import argparse
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import asyncio
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# MX-T40 model advertisements from the Android APK's strings.xml. These
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# identify discovery records; they are not assumed to be writable services.
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MODEL_UUIDS = {
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f"0000{short}-0000-1000-8000-00805f9b34fb" for short in ("ff40", "fe40", "ff41", "fe41")
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}
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def is_candidate(device, advertisement):
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names = f"{device.name or ''} {advertisement.local_name or ''}".upper()
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return "T40" in names or bool(
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MODEL_UUIDS.intersection(value.lower() for value in advertisement.service_uuids)
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)
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async def inspect(timeout):
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from bleak import BleakClient, BleakScanner
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print(f"Scanning BLE advertisements for {timeout:g} seconds…", flush=True)
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devices = await BleakScanner.discover(timeout=timeout, return_adv=True)
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candidates = [(device, adv) for device, adv in devices.values() if is_candidate(device, adv)]
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print(f"Nearby BLE devices: {len(devices)}; MX-T40 candidates: {len(candidates)}")
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if not candidates:
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print("No matching advertisement. This does not rule out BLE support.")
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print("Named nearby devices:")
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for device, adv in devices.values():
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name = adv.local_name or device.name
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if name:
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print(f" {name} [{device.address}]")
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return 1
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failures = False
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for device, adv in candidates:
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print(f"\nDevice: {adv.local_name or device.name} [{device.address}]")
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print("Advertised services:", ", ".join(adv.service_uuids) or "(none)")
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try:
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# Use the scanned device object so Bleak retains Windows address
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# type information; the classic audio MAC may not be the BLE MAC.
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async with BleakClient(device, timeout=15) as client:
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for service in client.services:
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print(f"Service: {service.uuid} {service.description}")
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for char in service.characteristics:
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print(f" Characteristic: {char.uuid} [{', '.join(char.properties)}]")
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except Exception as exc:
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failures = True
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print(f"GATT inspection failed: {type(exc).__name__}: {exc}")
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print("\nNo control values were read or written; no notifications enabled.")
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return 1 if failures else 0
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("--timeout", type=float, default=15)
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args = parser.parse_args()
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try:
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raise SystemExit(asyncio.run(inspect(args.timeout)))
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except ImportError:
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print("Run: uv.exe run --python 3.14 --with bleak -m controller.ble_probe")
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raise SystemExit(2)
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except Exception as exc:
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print(f"BLE scan failed: {type(exc).__name__}: {exc}")
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raise SystemExit(1)
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