大漠插件“安装、卸载、创建” / Plug-in elf.

这篇博客介绍了大漠插件的安装、卸载、引用和服务创建方法,强调了外挂开发的复杂性和技术难点,如封包分析和游戏保护。提供了在C#、VB.NET中使用COM接口的建议,并给出了大漠插件的下载链接和版本选择注意事项。

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从今天开始在“Plug-in elf.”栏目写内容了,故名思义是“外挂小

精灵”本栏目内只提供关于外挂开发的技术文献、当然本人不建

议你为公司开发外挂,因为复杂外挂开发并不是单独一个人可

以做下来的,即便一个团队也可能无法研发出真正意义上的外

、如同封包(WPE)外挂,目前网页游戏在这里一块主要通过

时间加密,且每秒上百个封包,且会利用类似“时间加密”这一

块的技术,个游戏加密方式各不相同,单单分析加密算法也足

够你头疼、如果是通过游戏CALL、如封包CALL,打怪CALL等

受到游戏动保护,如反调试,调试陷阱、单单过保护也足够令

人头疼、所以本栏目外挂开发文献只使用对计算机编程极端分子、

本栏目外挂或许只会涉及到少量的汇编与内存,封包外挂等、

通过动过游戏保护方面,或许以后会被提到 当然目前不会涉

及到这方面得资料、

1.如何安装服务?

“以管理身份运行”控制台(cmd),找到大漠插件的主函数动态链

库(dm.dll)、通过“RegSvr32 dm.dll”注册到系统ROT映射表、

尽量避免“RegSvr32 dm.dll / i”注册,可以避免注册COM服务失

败、当然如果以后某日或许我会提到“静态映射COM服务”、此技

术需要重写COM创建底层构建一个对象,可以避免向系统ROT映

射表注册、不过现在是不会讨论这些问题、

不过需要注意如果你要调用大漠插件中提供的命令那么你的项目

运行的平台必须限制在x86,但是并不影响你操作x64平台的游戏

2.如何引用服务?

在C# / VB.NET / C++/CLR项目中 你可以右键项目“添加引用(R)”

打开上面的窗口,选择COM找到或搜索Dm当然根据不同版本的

Visual Studio版本操作方法都有所不同、需要你们自己注意、当

然本文并不建议通过由Visual Studio打包大漠插件的COM互操作

(Interop)、你可以参考我下面提供的COM调用接口互操作声明、

3.如何创建服务?

你必须在STAT(单线程)中创建COM对象服务、而不是在MTAT

(多线程)中创建、否则会引发错误、当然上图代码是你通过VS

引用自动打开的ComInterop,创建的方法、当然在上面我应该

已经提到尽量使用我下面提供的COM调用接口、

当然我在本文中会提供VB.NET与C#两种语言的ComInterop、可

以通过VB.NET写也可以C#写,但是通过根据不同的小精灵需求

决定使用什么开发语言、

4.如何卸载服务?

“以管理员身份运行”控制台(cmd),找到大漠插件动态链接库,然

后通过“regsvr32 dm.dll / u”从系统的ROT映射表中移除掉关于大

漠插件注册的相关信息、一般做外挂时在运行时注册,在结束

卸载注册、当然如果通过“静态映射COM服务”则不需要、

5.大漠插件下载

在打包的大漠插件包中版本为3.1233、包含在开发时一些必要的

工具,包括“大漠接口开发文档”、一般用2.1142做开发足够用了、

不过3.1233也可以、版本不是越高越好、需要注意

大漠插件下载地址:http://pan.baidu.com/s/1dEplYq1

6.C# Idmsoft / COM调用接口互操作声明

namespace 飞车精灵
{
    using System;
    using System.Runtime.CompilerServices;
    using System.Runtime.InteropServices;

    [ComImport, Guid("F3F54BC2-D6D1-4A85-B943-16287ECEA64C")]
    public interface Idmsoft
    {
        [DispId(1)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string Ver();
        [DispId(2)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetPath([MarshalAs(UnmanagedType.BStr)] [In] string path);
        [DispId(3)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string Ocr([In] int x1, [In] int y1, [In] int x2, [In] int y2, [MarshalAs(UnmanagedType.BStr)] [In] string color, [In] double sim);
        [DispId(4)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FindStr([In] int x1, [In] int y1, [In] int x2, [In] int y2, [MarshalAs(UnmanagedType.BStr)] [In] string str, [MarshalAs(UnmanagedType.BStr)] [In] string color, [In] double sim, [MarshalAs(UnmanagedType.Struct)] out object x, [MarshalAs(UnmanagedType.Struct)] out object y);
        [DispId(5)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetResultCount([MarshalAs(UnmanagedType.BStr)] [In] string str);
        [DispId(6)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetResultPos([MarshalAs(UnmanagedType.BStr)] [In] string str, [In] int index, [MarshalAs(UnmanagedType.Struct)] out object x, [MarshalAs(UnmanagedType.Struct)] out object y);
        [DispId(7)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int StrStr([MarshalAs(UnmanagedType.BStr)] [In] string s, [MarshalAs(UnmanagedType.BStr)] [In] string str);
        [DispId(8)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SendCommand([MarshalAs(UnmanagedType.BStr)] [In] string cmd);
        [DispId(9)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int UseDict([In] int index);
        [DispId(10)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string GetBasePath();
        [DispId(11)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetDictPwd([MarshalAs(UnmanagedType.BStr)] [In] string pwd);
        [DispId(12)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string OcrInFile([In] int x1, [In] int y1, [In] int x2, [In] int y2, [MarshalAs(UnmanagedType.BStr)] [In] string pic_name, [MarshalAs(UnmanagedType.BStr)] [In] string color, [In] double sim);
        [DispId(13)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int Capture([In] int x1, [In] int y1, [In] int x2, [In] int y2, [MarshalAs(UnmanagedType.BStr)] [In] string file);
        [DispId(14)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int KeyPress([In] int vk);
        [DispId(15)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int KeyDown([In] int vk);
        [DispId(16)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int KeyUp([In] int vk);
        [DispId(17)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int LeftClick();
        [DispId(18)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int RightClick();
        [DispId(19)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int MiddleClick();
        [DispId(20)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int LeftDoubleClick();
        [DispId(21)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int LeftDown();
        [DispId(22)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int LeftUp();
        [DispId(23)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int RightDown();
        [DispId(24)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int RightUp();
        [DispId(25)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int MoveTo([In] int x, [In] int y);
        [DispId(26)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int MoveR([In] int rx, [In] int ry);
        [DispId(27)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string GetColor([In] int x, [In] int y);
        [DispId(28)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string GetColorBGR([In] int x, [In] int y);
        [DispId(29)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string RGB2BGR([MarshalAs(UnmanagedType.BStr)] [In] string rgb_color);
        [DispId(30)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string BGR2RGB([MarshalAs(UnmanagedType.BStr)] [In] string bgr_color);
        [DispId(31)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int UnBindWindow();
        [DispId(32)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int CmpColor([In] int x, [In] int y, [MarshalAs(UnmanagedType.BStr)] [In] string color, [In] double sim);
        [DispId(33)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int ClientToScreen([In] int hwnd, [MarshalAs(UnmanagedType.Struct)] [In] [Out] ref object x, [MarshalAs(UnmanagedType.Struct)] [In] [Out] ref object y);
        [DispId(34)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int ScreenToClient([In] int hwnd, [MarshalAs(UnmanagedType.Struct)] [In] [Out] ref object x, [MarshalAs(UnmanagedType.Struct)] [In] [Out] ref object y);
        [DispId(35)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int ShowScrMsg([In] int x1, [In] int y1, [In] int x2, [In] int y2, [MarshalAs(UnmanagedType.BStr)] [In] string msg, [MarshalAs(UnmanagedType.BStr)] [In] string color);
        [DispId(36)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetMinRowGap([In] int row_gap);
        [DispId(37)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetMinColGap([In] int col_gap);
        [DispId(38)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FindColor([In] int x1, [In] int y1, [In] int x2, [In] int y2, [MarshalAs(UnmanagedType.BStr)] [In] string color, [In] double sim, [In] int dir, [MarshalAs(UnmanagedType.Struct)] out object x, [MarshalAs(UnmanagedType.Struct)] out object y);
        [DispId(39)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string FindColorEx([In] int x1, [In] int y1, [In] int x2, [In] int y2, [MarshalAs(UnmanagedType.BStr)] [In] string color, [In] double sim, [In] int dir);
        [DispId(40)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetWordLineHeight([In] int line_height);
        [DispId(41)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetWordGap([In] int word_gap);
        [DispId(42)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetRowGapNoDict([In] int row_gap);
        [DispId(43)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetColGapNoDict([In] int col_gap);
        [DispId(44)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetWordLineHeightNoDict([In] int line_height);
        [DispId(45)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetWordGapNoDict([In] int word_gap);
        [DispId(46)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetWordResultCount([MarshalAs(UnmanagedType.BStr)] [In] string str);
        [DispId(47)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetWordResultPos([MarshalAs(UnmanagedType.BStr)] [In] string str, [In] int index, [MarshalAs(UnmanagedType.Struct)] out object x, [MarshalAs(UnmanagedType.Struct)] out object y);
        [DispId(48)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string GetWordResultStr([MarshalAs(UnmanagedType.BStr)] [In] string str, [In] int index);
        [DispId(49)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string GetWords([In] int x1, [In] int y1, [In] int x2, [In] int y2, [MarshalAs(UnmanagedType.BStr)] [In] string color, [In] double sim);
        [DispId(50)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string GetWordsNoDict([In] int x1, [In] int y1, [In] int x2, [In] int y2, [MarshalAs(UnmanagedType.BStr)] [In] string color);
        [DispId(51)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetShowErrorMsg([In] int show);
        [DispId(52)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetClientSize([In] int hwnd, [MarshalAs(UnmanagedType.Struct)] out object width, [MarshalAs(UnmanagedType.Struct)] out object height);
        [DispId(53)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int MoveWindow([In] int hwnd, [In] int x, [In] int y);
        [DispId(54)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string GetColorHSV([In] int x, [In] int y);
        [DispId(55)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string GetAveRGB([In] int x1, [In] int y1, [In] int x2, [In] int y2);
        [DispId(56)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string GetAveHSV([In] int x1, [In] int y1, [In] int x2, [In] int y2);
        [DispId(57)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetForegroundWindow();
        [DispId(58)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetForegroundFocus();
        [DispId(59)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetMousePointWindow();
        [DispId(60)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetPointWindow([In] int x, [In] int y);
        [DispId(61)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string EnumWindow([In] int parent, [MarshalAs(UnmanagedType.BStr)] [In] string title, [MarshalAs(UnmanagedType.BStr)] [In] string class_name, [In] int filter);
        [DispId(62)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetWindowState([In] int hwnd, [In] int flag);
        [DispId(63)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetWindow([In] int hwnd, [In] int flag);
        [DispId(64)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetSpecialWindow([In] int flag);
        [DispId(65)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetWindowText([In] int hwnd, [MarshalAs(UnmanagedType.BStr)] [In] string text);
        [DispId(66)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetWindowSize([In] int hwnd, [In] int width, [In] int height);
        [DispId(67)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetWindowRect([In] int hwnd, [MarshalAs(UnmanagedType.Struct)] out object x1, [MarshalAs(UnmanagedType.Struct)] out object y1, [MarshalAs(UnmanagedType.Struct)] out object x2, [MarshalAs(UnmanagedType.Struct)] out object y2);
        [DispId(68)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string GetWindowTitle([In] int hwnd);
        [DispId(69)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string GetWindowClass([In] int hwnd);
        [DispId(70)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetWindowState([In] int hwnd, [In] int flag);
        [DispId(71)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int CreateFoobarRect([In] int hwnd, [In] int x, [In] int y, [In] int w, [In] int h);
        [DispId(72)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int CreateFoobarRoundRect([In] int hwnd, [In] int x, [In] int y, [In] int w, [In] int h, [In] int rw, [In] int rh);
        [DispId(73)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int CreateFoobarEllipse([In] int hwnd, [In] int x, [In] int y, [In] int w, [In] int h);
        [DispId(74)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int CreateFoobarCustom([In] int hwnd, [In] int x, [In] int y, [MarshalAs(UnmanagedType.BStr)] [In] string pic, [MarshalAs(UnmanagedType.BStr)] [In] string trans_color, [In] double sim);
        [DispId(75)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FoobarFillRect([In] int hwnd, [In] int x1, [In] int y1, [In] int x2, [In] int y2, [MarshalAs(UnmanagedType.BStr)] [In] string color);
        [DispId(76)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FoobarDrawText([In] int hwnd, [In] int x, [In] int y, [In] int w, [In] int h, [MarshalAs(UnmanagedType.BStr)] [In] string text, [MarshalAs(UnmanagedType.BStr)] [In] string color, [In] int align);
        [DispId(77)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FoobarDrawPic([In] int hwnd, [In] int x, [In] int y, [MarshalAs(UnmanagedType.BStr)] [In] string pic, [MarshalAs(UnmanagedType.BStr)] [In] string trans_color);
        [DispId(78)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FoobarUpdate([In] int hwnd);
        [DispId(79)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FoobarLock([In] int hwnd);
        [DispId(80)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FoobarUnlock([In] int hwnd);
        [DispId(81)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FoobarSetFont([In] int hwnd, [MarshalAs(UnmanagedType.BStr)] [In] string font_name, [In] int size, [In] int flag);
        [DispId(82)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FoobarTextRect([In] int hwnd, [In] int x, [In] int y, [In] int w, [In] int h);
        [DispId(83)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FoobarPrintText([In] int hwnd, [MarshalAs(UnmanagedType.BStr)] [In] string text, [MarshalAs(UnmanagedType.BStr)] [In] string color);
        [DispId(84)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FoobarClearText([In] int hwnd);
        [DispId(85)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FoobarTextLineGap([In] int hwnd, [In] int gap);
        [DispId(86)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int Play([MarshalAs(UnmanagedType.BStr)] [In] string file);
        [DispId(87)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FaqCapture([In] int x1, [In] int y1, [In] int x2, [In] int y2, [In] int quality, [In] int delay, [In] int time);
        [DispId(88)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FaqRelease([In] int handle);
        [DispId(89)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string FaqSend([MarshalAs(UnmanagedType.BStr)] [In] string server, [In] int handle, [In] int request_type, [In] int time_out);
        [DispId(90)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int Beep([In] int fre, [In] int delay);
        [DispId(91)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FoobarClose([In] int hwnd);
        [DispId(92)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int MoveDD([In] int dx, [In] int dy);
        [DispId(93)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FaqGetSize([In] int handle);
        [DispId(94)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int LoadPic([MarshalAs(UnmanagedType.BStr)] [In] string pic_name);
        [DispId(95)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FreePic([MarshalAs(UnmanagedType.BStr)] [In] string pic_name);
        [DispId(96)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int GetScreenData([In] int x1, [In] int y1, [In] int x2, [In] int y2);
        [DispId(97)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FreeScreenData([In] int handle);
        [DispId(98)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int WheelUp();
        [DispId(99)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int WheelDown();
        [DispId(100)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetMouseDelay([MarshalAs(UnmanagedType.BStr)] [In] string type, [In] int delay);
        [DispId(101)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetKeypadDelay([MarshalAs(UnmanagedType.BStr)] [In] string type, [In] int delay);
        [DispId(102)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string GetEnv([In] int index, [MarshalAs(UnmanagedType.BStr)] [In] string name);
        [DispId(103)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetEnv([In] int index, [MarshalAs(UnmanagedType.BStr)] [In] string name, [MarshalAs(UnmanagedType.BStr)] [In] string value);
        [DispId(104)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SendString([In] int hwnd, [MarshalAs(UnmanagedType.BStr)] [In] string str);
        [DispId(105)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int DelEnv([In] int index, [MarshalAs(UnmanagedType.BStr)] [In] string name);
        [DispId(106)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string GetPath();
        [DispId(107)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetDict([In] int index, [MarshalAs(UnmanagedType.BStr)] [In] string dict_name);
        [DispId(108)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int FindPic([In] int x1, [In] int y1, [In] int x2, [In] int y2, [MarshalAs(UnmanagedType.BStr)] [In] string pic_name, [MarshalAs(UnmanagedType.BStr)] [In] string delta_color, [In] double sim, [In] int dir, [MarshalAs(UnmanagedType.Struct)] out object x, [MarshalAs(UnmanagedType.Struct)] out object y);
        [DispId(109)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        [return: MarshalAs(UnmanagedType.BStr)]
        string FindPicEx([In] int x1, [In] int y1, [In] int x2, [In] int y2, [MarshalAs(UnmanagedType.BStr)] [In] string pic_name, [MarshalAs(UnmanagedType.BStr)] [In] string delta_color, [In] double sim, [In] int dir);
        [DispId(110)]
        [MethodImpl(MethodImplOptions.InternalCall)]
        int SetClientSize([In] int hwnd, [In] int width, [In] int height);
        [DispId(111)]
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<think>我们正在处理一个ESP-IDF开发中的链接错误,错误信息是"undefined reference to `vApplicationTickHook'"。这个错误通常发生在FreeRTOS配置中,因为vApplicationTickHook是一个用户可定义的钩子函数(hook function),它没有被实现。 ### 问题分析 在FreeRTOS中,`vApplicationTickHook`是一个弱定义的函数(weak symbol),如果用户没有提供自己的实现,链接器会使用默认的弱定义(通常是一个空函数)。但是,如果在FreeRTOS配置中启用了这个钩子函数(即`configUSE_TICK_HOOK`被设置为1),那么用户必须提供这个函数的实现,否则链接器会找不到这个函数,从而报错。 ### 解决步骤 1. **检查FreeRTOS配置**:确认在`FreeRTOSConfig.h`文件中,`configUSE_TICK_HOOK`是否被设置为1。如果是,那么你需要实现`vApplicationTickHook`函数。 2. **实现钩子函数**:在你的代码中(通常在一个C文件中)实现`vApplicationTickHook`函数。这个函数没有参数,也没有返回值。例如: ```c void vApplicationTickHook(void) { // 用户自定义的代码,例如处理周期性任务 } ``` 3. **确保函数可见性**:确保这个函数的实现被正确编译并链接到项目中。通常,你需要在一个被编译的源文件中定义它,并且这个源文件需要被包含在项目的编译列表中。 ### 注意事项 - 钩子函数是在中断上下文中调用的,因此应该尽量简短,避免使用阻塞函数。 - 如果不需要使用tick钩子,可以将`configUSE_TICK_HOOK`设置为0,这样就不需要实现这个函数。 ### 示例代码 假设我们在`main.c`文件中实现这个函数: ```c #include "freertos/FreeRTOS.h" #include "freertos/task.h" void vApplicationTickHook(void) { // 例如,我们可以在这里翻转一个GPIO引脚来观察Tick的频率 // 注意:实际应用中,避免频繁操作GPIO,这里仅作为示例 } ``` ### 配置修改 在`FreeRTOSConfig.h`中,确保: ```c #define configUSE_TICK_HOOK 1 ``` ### 重新编译 修改后,重新编译项目,链接错误应该消失。 ### 常见问题 - 如果已经实现了`vApplicationTickHook`,但仍然出现链接错误,请检查函数名是否拼写正确(包括大小写)。 - 检查实现该函数的源文件是否被包含在项目的编译中(例如,检查CMakeLists.txt或component.mk文件)。 ### 引用说明 根据FreeRTOS文档,当启用`configUSE_TICK_HOOK`时,用户必须提供`vApplicationTickHook`的实现[^1]。 §§相关问题§§ 1. 如何配置FreeRTOS的Tick频率? 2. 在FreeRTOS中,除了Tick钩子,还有哪些可用的钩子函数? 3. 如何在中断服务例程(ISR)中安全地使用FreeRTOS的API? [^1]: FreeRTOS官方文档:https://www.freertos.org/a00016.html</think>### 解决ESP-IDF中"undefined reference to vApplicationTickHook"错误 #### 错误原因分析 该链接错误表明ESP-IDF项目缺少FreeRTOS的tick钩子函数实现。在FreeRTOS中,`vApplicationTickHook`是一个**用户可选的钩子函数**(hook function),当满足以下条件时会出现此错误: 1. 在`FreeRTOSConfig.h`中启用了配置项:`#define configUSE_TICK_HOOK 1` 2. 项目中没有实现该函数 3. 函数声明与FreeRTOS头文件中的弱符号声明不匹配[^1] #### 解决方案(二选一) ##### 方法1:实现钩子函数(推荐) 在项目的任意C文件中添加以下实现: ```c // 在main.c或单独组件文件中实现 void vApplicationTickHook(void) { // 此处添加你的周期性任务代码 // 示例:翻转GPIO状态或更新计数器 static int tick_count = 0; tick_count++; // 重要:此函数在中断上下文执行,保持简短! } ``` **关键注意事项**: - 函数必须使用**精确名称**`vApplicationTickHook` - 保持函数执行时间短于1个tick周期 - 避免使用阻塞API(如`vTaskDelay()`) ##### 方法2:禁用钩子功能 如果不需要tick钩子,修改FreeRTOS配置: ```c // 在FreeRTOSConfig.h 中修改 #define configUSE_TICK_HOOK 0 // 禁用tick钩子 ``` #### 验证步骤 1. 清理并重新编译项目: ```bash idf.py fullclean && idf.py build ``` 2. 检查函数实现是否被正确链接: ```bash xtensa-esp32-elf-nm build/project_name.elf | grep vApplicationTickHook ``` 应显示`T vApplicationTickHook`(表示已实现) #### 常见错误排查 - **位置错误**:确保实现代码在组件编译范围内(非`#ifdef`封闭块内) - **命名错误**:检查大小写(必须是`vApplicationTickHook`) - **配置冲突**:确认所有组件使用的`FreeRTOSConfig.h`一致 - **弱符号覆盖**:检查是否有多个弱符号声明冲突[^2] #### 进阶建议 当需要执行周期任务时,更推荐使用FreeRTOS定时器而非tick钩子: ```c TimerHandle_t xTimer = xTimerCreate( "PeriodicTask", pdMS_TO_TICKS(100), // 100ms周期 pdTRUE, // 自动重载 NULL, vTimerCallback ); xTimerStart(xTimer, 0); ```
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