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python
2 days ago
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import asyncio
from bleak import BleakClient, BleakScanner

async def scan_devices():
    print("Scanning for Bluetooth devices...")
    devices = await BleakScanner.discover()
    for device in devices:
        print(f"Found device: {device.name} - {device.address}")

async def uuid_info(device_address):
    async with BleakClient(device_address) as client:
        #update this function for future
        services = await client.get_services()
        for service in services:
            #print(f"Service: {service.uuid}")
            for characteristic in service.characteristics:
                print(f"  Characteristic: {characteristic.uuid} (Properties: {characteristic.properties})")

async def query_vlf_bt(device_address, write_uuid, read_uuid):
    async with BleakClient(device_address) as client:
        data_dict = {}
        #Queries all ports
        for x in range(0,32):
            command = f'P{x+1:02d}'
            await client.write_gatt_char(write_uuid, command.encode())
            # Reads the data from the Controller
            response = await client.read_gatt_char(read_uuid)
            data = response.decode("utf-8").strip()
            data_dict[command] = data
            print(f"Response from {command}: {data}")
        return data_dict

async def all_combined():
    await scan_devices()
    device_address = "34:85:18:8D:DB:A1"
    await uuid_info(device_address)
    write_uuid = "6e400002-b5a3-f393-e0a9-e50e24dcca9e"
    read_uuid = "beb5483e-36e1-4688-b7f5-ea07361b26a8"
    await query_vlf_bt(device_address, write_uuid, read_uuid)

asyncio.run(all_combined())
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