ProtocolDecoderStatic/ProtocolUSB/sync.h

// // ******************************************************************
// //       /\ /|       @File         SYNC.h
// //       \ V/        @Brief
// //       | "")       @Author        lijinwen, ghz005@uni-trend.com.cn
// //       /  |        @Creation      2024-05-17
// //      /  \\        @Modified      2024-06-24
// //    *(__\_\
// // ******************************************************************

#pragma once
#include "Constants.h"

namespace Protocol
{
    class Sync
    {
    public:
        TwoLevelEdgePulse* node_ptr;
        int32_t end_index;
        int32_t single_bit_timing_length;
        int32_t one_byte_timing_length;

        int32_t Length() const
        {
            if (node_ptr == nullptr || node_ptr->start_index < 0)
            {
                return 0;
            }
            return end_index - node_ptr->start_index;
        }

        int32_t PacketEndIndex() const
        {
            return packetEndIndex;
        }

        void SetPacketEndIndex(const int32_t value)
        {
            packetEndIndex = value;
        }

        Sync() : node_ptr(nullptr), end_index(0), single_bit_timing_length(0), one_byte_timing_length(0), packetEndIndex(0)
        {
        }

        Sync(TwoLevelEdgePulse* node_ptr,const int end_index, const int32_t single_bit_timing_length, const bool is_high_speed) : node_ptr(node_ptr),
                                                                                                                               end_index(end_index),
                                                                                                                               single_bit_timing_length(single_bit_timing_length),
                                                                                                                               one_byte_timing_length(single_bit_timing_length * USB_BYTE_BIT_COUNT),
                                                                                                                               packetEndIndex(0)
        {
            const int32_t sync_byte_len = is_high_speed ? USB_USB_SYNC_BIT_MAX_LEN : USB_BYTE_BIT_COUNT;
            const int32_t fix_sync_end_index = node_ptr->start_index + static_cast<int32_t>(single_bit_timing_length * sync_byte_len
                * USB_SYNC_BIT_TOL);
            if (end_index < fix_sync_end_index)
            {
                this->end_index = fix_sync_end_index;
            }
        }

    private:
        int32_t packetEndIndex;
    };
}