classdef Timing_Recovery < handle

    properties(Access=public)
        modulation
        timing_error_detector
        sps
        damping_factor
        normalized_loop_bandwidth
        detector_gain
    end

    methods(Access=public)
        function obj = Timing_Recovery(options)
            arguments(Input)

                options.modulation = 'PAM/PSK/QAM'
                options.timing_error_detector = 'Gardner';
                options.sps = 2;
                options.damping_factor = 1.0;
                options.normalized_loop_bandwidth = 0.005;
                options.detector_gain = 1;

            end

            fn = fieldnames(options);
            for n = 1:numel(fn)
                obj.(fn{n}) = options.(fn{n});
            end

 

        end

        function [data_out,timing_error] = process(obj, data_in)

            timing_synchronization = comm.SymbolSynchronizer( ...
                "Modulation",          obj.modulation, ...
                "TimingErrorDetector", obj.timing_error_detector, ...
                "SamplesPerSymbol",    obj.sps, ...
                "DampingFactor",       obj.damping_factor, ...
                "NormalizedLoopBandwidth", obj.normalized_loop_bandwidth, ...
                "DetectorGain",        obj.detector_gain);

            data_out = data_in;
            [data_out.signal,timing_error] = timing_synchronization(data_in.signal);

        end
    end
end