Add support for Hex codes

import asyncio

from base64 import b64encode

import binascii

import json

import logging

import os.path

        self._manufacturer = device_data['manufacturer']

        self._supported_models = device_data['supportedModels']

        self._supported_controller = device_data['supportedController']

        self._commands_encoding = device_data['commandsEncoding']

        self._min_temperature = device_data['minTemperature']

        self._max_temperature = device_data['maxTemperature']

        self._precision = device_data['precision']

            'manufacturer': self._manufacturer,

            'supported_models': self._supported_models,

            'supported_controller': self._supported_controller,

            'commands_encoding': self._commands_encoding,

        }

    async def async_set_temperature(self, **kwargs):

        async with self._temp_lock:

            self._on_by_remote = False

            supported_controller = self._supported_controller

            commands_encoding = self._commands_encoding

            operation_mode = self._current_operation

            fan_mode = self._current_fan_mode

            target_temperature = '{0:g}'.format(self._target_temperature)

            service_name = split_entity_id(self._controller_send_service)[1]

            if supported_controller.lower() == 'broadlink':

                # Default is Base64

                if commands_encoding.lower() == 'hex':

                    try:

                        command = binascii.unhexlify(command)

                        command = b64encode(command).decode('utf-8')

                    except:

                        _LOGGER.error("Error while converting Hex to Base64")

                        return

                service_data = {

                    'packet': [command]

                }