Untitled

import asyncio
from bleak import BleakClient, BleakScanner
from loguru import logger

board_sn = board_config["board_sn"]
sensor_list = board_config["sensor_list"]


async def read_data():
    async with BleakClient(board_sn) as client:
        services = client.services
        for service in services:
            for characteristic in service.characteristics:
                if characteristic.handle == 44:
                    write_uuid = characteristic.uuid
                elif characteristic.handle == 41:
                    read_uuid = characteristic.uuid
        global data
        data = []
        for sensor in sensor_list:
            command = f"P{sensor['port']+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)
            value = response.decode("utf-8").rstrip('\x00')
            if value:
                data.append(float(value))
                logger.info(f"Response from {command}: {value}")
            else:
                logger.info(f"No value fetched for P{sensor['port']+1:02d}")