import asyncio
from bleak import BleakScanner, BleakError

VENDOR_PREFIXES = ['00:25:DF', '00:58:28', '00:C0:D4', '84:70:03']

async def main():
    print("Scanning for BLE devices...")
    try:
        devices = await BleakScanner.discover()
        print(f"Found {len(devices)} devices:")
        filtered_devices = [device for device in devices if any(device.address.upper().startswith(prefix) for prefix in VENDOR_PREFIXES)]
        if filtered_devices:
            for device in filtered_devices:
                print(f"MAC Address: {device.address}, Name: {device.name}")
        else:
            print("No devices found with the specified vendor prefixes.")
    except BleakError as e:
        print(f"Error: {e}")
        print("Make sure Bluetooth is enabled and a Bluetooth adapter is present.")

if __name__ == "__main__":
    asyncio.run(main())