void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{

    if (__HAL_TIM_GET_IT_SOURCE(&htim15, TIM_IT_UPDATE) != RESET)
    {
        static uint8_t one_occur = 0;
        static uint8_t break_bits_counter = 0;

        if (break_bits_counter == 0)
            one_occur = 0;

        break_bits_counter++;

        if (HAL_GPIO_ReadPin(USART2_RX_GPIO_Port, USART2_RX_Pin) == GPIO_PIN_SET &&
            (break_bits_counter < DMX_BREAK_TIME))
        {
            HAL_TIM_Base_Stop_IT(&htim15);
            one_occur = 1;
            break_bits_counter = 0;
        }

        if (break_bits_counter >= DMX_BREAK_TIME && (one_occur == 0))
        {
            uart_active_start = false;
            HAL_UART_Receive_IT(&huart2, DMXframe.RecBuf, SERIAL_LENGTH);

            break_bits_counter = 0;
            HAL_TIM_Base_Stop_IT(&htim15);
        }

        __HAL_TIM_CLEAR_IT(&htim15, TIM_IT_UPDATE);

    }