File format of hybrid tunnel locomotive log file

hybrid_tunnel_locomotive_log.bt

//------------------------------------------------
//--- 010 Editor v10.0.2 Binary Template
//
//      File: LO_6827.LOG
//   Authors: 
//   Version: 
//   Purpose: Log file format of something like this hybrid tunnel locomotive: https://www.schoema.de/media/schoema_datenblatt_hybrid-tunnellokomotiven_en.pdf
//  Category: 
// File Mask: 
//  ID Bytes: 
//   History: 
//------------------------------------------------

struct FileHeader1 {
    byte unknown1[24];
    ushort nEntries;
    byte u[256-24-2];
} fileHeader1;

struct FileHeader2 {
    // the second header is nearly identica to the first one except some bits near the beginning
    byte u[256];
} fileHeader2;

struct EntryHeader {
    ushort unknown1; // FF FF; maybe header identification
    ushort category; // FF FF or EE EE; FF yes, EE no; following entries are grouped under last FF

    int32 driver;
    
    ubyte year;
    ubyte month;
    ubyte day;
    ubyte hours;
    ubyte minutes;
    ubyte seconds;

    ubyte unknown2[2];
};

struct EntryData {
    // first byte
    ubyte btEmcyStop : 1;
    ubyte btDeadm : 1;
    ubyte btRelBr : 1;
    ubyte notchPBrLever : 1;
    ubyte BrApplBrLever: 1;
    ubyte BrRelBrLever: 1; // unverified
    ubyte TopBtnBrLever: 1; // unverified
    ubyte BtTrainOnOff: 1; // unverified

    // second byte
    ubyte KeySwDeskActive: 1; // unverified
    ubyte BtParkingBr: 1; // unverified
    ubyte BtFastSlow: 1; // unverified
    ubyte BtBatDischarge: 1; // unverified
    ubyte BtSanding: 1; // unverified
    ubyte BtHorn: 1;
    ubyte BtAnalog: 1; // unverified
    ubyte BtGenAutom: 1; // unverified

    // third byte
    ubyte none; // half is shown as graph but no text attached; probably reserved

    // 4th byte
    ubyte MVlocoBrApp: 1;
    ubyte MVlocoBrRel: 1;
    ubyte manualMode: 1; // unverified
    ubyte btMotStart: 1; // unverified
    ubyte wheelspin: 1; // unverified
    ubyte sliding: 1; // unverified
    ubyte : 2;

    // 5th byte "Operational Data"
    ubyte u5; // bottom half of "Operational Data"
    ubyte u6; // top half of "Operational Data"

    // 7th byte  "Loc. Status"
    ubyte : 6;
    ubyte SlaveLoc: 1;
    ubyte : 1;

    // 8th byte "Loc. Status"
    ubyte warningActive : 1;
    ubyte speedLim1: 1;
    ubyte speedLim2 : 1; // unverified
    ubyte CtrBrake : 1; // unverified
    ubyte EmcyBrake : 1; // unverified
    ubyte BrakeAndEngStop : 1; // unverified
    ubyte DeskEngSide : 1; // unverified
    ubyte DeskCabSide : 1; // unverified

    ubyte v_real; // (km/h * x)
    ubyte v_real_negative; // same as v_real but used insted and is interpreted as negative speed
    ubyte p_BrCyl; // (bar * x)
    ubyte p_BrPipe; // (bar * x)
    ubyte v_set; // (km/h * x)
    ubyte v_set_negative;
    ubyte ubat; // Volt * x
    ubyte u16; // ?
};

struct Entry {
    EntryHeader header;
    local int nEntry = (51200 - sizeof(EntryHeader)) / sizeof(EntryData);
    EntryData data[nEntry];
};

Entry entries[fileHeader1.nEntries];