Method refresh

DSView/pv/sigsession.cpp:1089–1113

    }

    void SigSession::refresh(int holdtime)
    {
        ds_lock_guard lock(_data_mutex);

        data_lock();
        _view_data->get_logic()->init();

        clear_all_decode_task2();
        clear_decode_result();

        _view_data->get_dso()->init();
       
        for (auto m : _spectrum_traces)
        { 
            m->get_spectrum_stack()->init();
        }

        if (_math_trace)
            _math_trace->get_math_stack()->init();

        _view_data->get_analog()->init();

        _out_timer.TimeOut(holdtime, std::bind(&SigSession::feed_timeout, this));
        _data_updated = true;
    }

    void SigSession::data_auto_lock(int lock)
    {