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‎Docs/images/JST.png‎

194 KB
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‎Docs/images/MCP2221a.png‎

254 KB
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‎Hardware/I2CommunicationHelper.cs‎

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namespace KCNVrmModTool.Hardware
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{
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public class I2CommunicationHelper
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{
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private readonly MCP2221Device _device;
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private const int MaxRetries = 4;
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public I2CommunicationHelper(MCP2221Device device)
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{
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_device = device;
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}
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public int WriteBlock(
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byte smbAddress,
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byte[] smbDataToSend,
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uint numberOfBytesToWrite,
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uint smbSpeed,
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int smbPage)
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{
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int result = 0;
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int retryCount = 0;
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byte[] pageCommand = new byte[4];
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do
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{
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if (retryCount > 0)
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Console.WriteLine($" try #{retryCount}");
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retryCount++;
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if (smbPage >= 0)
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{
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pageCommand[0] = 0;
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pageCommand[1] = Convert.ToByte(smbPage);
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result = _device.WriteBlock(smbAddress, pageCommand, 2, smbSpeed, 0);
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}
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if (result == 0)
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result = _device.WriteBlock(smbAddress, smbDataToSend, numberOfBytesToWrite, smbSpeed, 0);
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}
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while (result != 0 && retryCount < MaxRetries);
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return result;
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}
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public int ReadBlock(
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byte smbAddress,
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byte[] smbDataToRead,
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uint numberOfBytesToRead,
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uint smbSpeed,
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int smbPage,
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byte readRegIndex)
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{
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int result = 0;
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int retryCount = 0;
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byte[] pageCommand = new byte[4];
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do
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{
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if (retryCount > 0)
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Console.WriteLine($" retry#{retryCount}");
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retryCount++;
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if (smbPage >= 0)
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{
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pageCommand[0] = 0;
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pageCommand[1] = Convert.ToByte(smbPage);
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result = _device.WriteBlock(smbAddress, pageCommand, 2, smbSpeed, 0);
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}
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if (result == 0)
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result = _device.ReadBlock(smbAddress, smbDataToRead, numberOfBytesToRead, smbSpeed, 0, readRegIndex);
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}
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while (result != 0 && retryCount < MaxRetries);
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return result;
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}
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public int ReadBlockScan(
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byte smbAddress,
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byte[] smbDataToRead,
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uint numberOfBytesToRead,
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uint smbSpeed,
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int smbPage,
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byte readRegIndex)
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{
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int result = 0;
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int retryCount = 0;
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byte[] pageCommand = new byte[4];
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do
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{
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retryCount++;
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if (smbPage >= 0)
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{
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pageCommand[0] = 0;
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pageCommand[1] = Convert.ToByte(smbPage);
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result = _device.WriteBlock(smbAddress, pageCommand, 2, smbSpeed, 0);
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}
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if (result == 0)
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result = _device.ReadBlock(smbAddress, smbDataToRead, numberOfBytesToRead, smbSpeed, 0, readRegIndex);
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}
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while (result != 0 && retryCount < 2);
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return result;
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}
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}
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}

‎Hardware/MCP2221Device.cs‎

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namespace KCNVrmModTool.Hardware
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{
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public class MCP2221Device
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{
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public bool IsConnected { get; private set; }
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public bool Initialize()
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{
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try
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{
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// 加载DLL并获取函数指针
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if (!NativeDllLoader.LoadDllFromResources())
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{
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Console.WriteLine("无法加载驱动Dll。");
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return false;
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}
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// 使用加载的函数
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NativeDllLoader.DllInit();
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IsConnected = NativeDllLoader.GetConnectionStatus();
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return true;
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}
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catch (Exception ex)
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{
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Console.WriteLine($"初始化出错：{ex.Message}\n");
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return false;
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}
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}
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public void SelectDevice(int deviceIndex)
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{
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NativeDllLoader.SelectDev(deviceIndex);
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}
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public int WriteBlock(byte address, byte[] data, uint length, uint speed, byte usesPec)
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{
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return NativeDllLoader.SmbWriteBlock(address, data, length, speed, usesPec);
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}
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public int ReadBlock(byte address, byte[] data, uint length, uint speed, byte usesPec, byte regIndex)
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{
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return NativeDllLoader.SmbReadBlock(address, data, length, speed, usesPec, regIndex);
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}
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}
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}

‎Hardware/NativeDllLoader.cs‎

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using System.Runtime.InteropServices;
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namespace KCNVrmModTool.Hardware
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{
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public static class NativeDllLoader
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{
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private static IntPtr _dllHandle = IntPtr.Zero;
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private static string _tempFileName = string.Empty;
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[DllImport("kernel32.dll")]
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private static extern IntPtr LoadLibrary(string dllToLoad);
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[DllImport("kernel32.dll")]
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private static extern IntPtr GetProcAddress(IntPtr hModule, string procedureName);
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[DllImport("kernel32.dll")]
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private static extern bool FreeLibrary(IntPtr hModule);
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// 添加委托定义，与DLL中的函数签名匹配
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[UnmanagedFunctionPointer(CallingConvention.StdCall, CharSet = CharSet.Unicode)]
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public delegate void DllInitDelegate();
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[UnmanagedFunctionPointer(CallingConvention.StdCall, CharSet = CharSet.Unicode)]
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public delegate bool GetConnectionStatusDelegate();
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[UnmanagedFunctionPointer(CallingConvention.StdCall, CharSet = CharSet.Unicode)]
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public delegate int SelectDevDelegate(int whichDevice);
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[UnmanagedFunctionPointer(CallingConvention.StdCall, CharSet = CharSet.Unicode)]
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public delegate int SmbWriteBlockDelegate(
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byte smbAddress,
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byte[] smbDataToSend,
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uint numberOfBytesToWrite,
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uint smbSpeed,
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byte usesPEC);
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[UnmanagedFunctionPointer(CallingConvention.StdCall, CharSet = CharSet.Unicode)]
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public delegate int SmbReadBlockDelegate(
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byte smbAddress,
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byte[] smbDataToRead,
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uint numberOfBytesToRead,
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uint smbSpeed,
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byte usesPEC,
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byte readRegIndex);
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// 存储函数指针；；
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public static DllInitDelegate DllInit;
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public static GetConnectionStatusDelegate GetConnectionStatus;
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public static SelectDevDelegate SelectDev;
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public static SmbWriteBlockDelegate SmbWriteBlock;
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public static SmbReadBlockDelegate SmbReadBlock;
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public static bool LoadDllFromResources()
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{
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if (_dllHandle != IntPtr.Zero)
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return true; // DLL已加载
57+
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try
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{
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// 从资源中获取DLL数据
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byte[] dllData = Properties.Resources.MCP2221DLL_UM_x86;
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// 创建唯一临时文件路径
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_tempFileName = Path.Combine(Path.GetTempPath(), $"{Guid.NewGuid()}.dll");
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// 将DLL数据写入临时文件
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File.WriteAllBytes(_tempFileName, dllData);
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// 加载DLL
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_dllHandle = LoadLibrary(_tempFileName);
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if (_dllHandle == IntPtr.Zero)
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{
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int error = Marshal.GetLastWin32Error();
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throw new Exception($"无法加载DLL: {_tempFileName}，错误代码: {error}");
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}
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// 获取函数指针并绑定到委托
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IntPtr pDllInit = GetProcAddress(_dllHandle, "DllInit");
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IntPtr pGetConnectionStatus = GetProcAddress(_dllHandle, "GetConnectionStatus");
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IntPtr pSelectDev = GetProcAddress(_dllHandle, "SelectDev");
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IntPtr pSmbWriteBlock = GetProcAddress(_dllHandle, "SmbWriteBlock");
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IntPtr pSmbReadBlock = GetProcAddress(_dllHandle, "SmbReadBlock");
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if (pDllInit == IntPtr.Zero || pGetConnectionStatus == IntPtr.Zero ||
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pSelectDev == IntPtr.Zero || pSmbWriteBlock == IntPtr.Zero || pSmbReadBlock == IntPtr.Zero)
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{
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throw new Exception("无法获取DLL中的函数指针");
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}
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90+
// 创建委托
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DllInit = Marshal.GetDelegateForFunctionPointer<DllInitDelegate>(pDllInit);
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GetConnectionStatus = Marshal.GetDelegateForFunctionPointer<GetConnectionStatusDelegate>(pGetConnectionStatus);
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SelectDev = Marshal.GetDelegateForFunctionPointer<SelectDevDelegate>(pSelectDev);
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SmbWriteBlock = Marshal.GetDelegateForFunctionPointer<SmbWriteBlockDelegate>(pSmbWriteBlock);
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SmbReadBlock = Marshal.GetDelegateForFunctionPointer<SmbReadBlockDelegate>(pSmbReadBlock);
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// 设置程序退出时清理DLL
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AppDomain.CurrentDomain.ProcessExit += (s, e) => CleanupDll();
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100+
return true;
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}
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catch (Exception ex)
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{
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Console.WriteLine($"加载DLL资源时出错: {ex.Message}");
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CleanupDll(); // 清理任何部分创建的资源
106+
return false;
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}
108+
}
109+
110+
private static void CleanupDll()
111+
{
112+
try
113+
{
114+
if (_dllHandle != IntPtr.Zero)
115+
{
116+
FreeLibrary(_dllHandle);
117+
_dllHandle = IntPtr.Zero;
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}
119+
120+
if (!string.IsNullOrEmpty(_tempFileName) && File.Exists(_tempFileName))
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{
122+
try
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{
124+
File.Delete(_tempFileName);
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_tempFileName = string.Empty;
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}
127+
catch (Exception ex)
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{
129+
Console.WriteLine($"无法删除临时DLL文件: {ex.Message}");
130+
}
131+
}
132+
}
133+
catch (Exception ex)
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{
135+
Console.WriteLine($"清理DLL时出错: {ex.Message}");
136+
}
137+
}
138+
}
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}

‎KCNVrmModTool.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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3+
<PropertyGroup>
4+
<OutputType>Exe</OutputType>
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<TargetFramework>net9.0-windows</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
8+
<PlatformTarget>x86</PlatformTarget>
9+
</PropertyGroup>
10+
11+
<ItemGroup>
12+
<Compile Update="Properties\Resources.Designer.cs">
13+
<DesignTime>True</DesignTime>
14+
<AutoGen>True</AutoGen>
15+
<DependentUpon>Resources.resx</DependentUpon>
16+
</Compile>
17+
</ItemGroup>
18+
19+
<ItemGroup>
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<EmbeddedResource Update="Properties\Resources.resx">
21+
<Generator>ResXFileCodeGenerator</Generator>
22+
<LastGenOutput>Resources.Designer.cs</LastGenOutput>
23+
</EmbeddedResource>
24+
</ItemGroup>
25+
26+
<ItemGroup>
27+
<None Update="Resources\MCP2221DLL-UM_x86.dll">
28+
<CopyToOutputDirectory>Never</CopyToOutputDirectory>
29+
</None>
30+
</ItemGroup>
31+
32+
</Project>

‎KCNVrmModTool.sln‎

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2+
Microsoft Visual Studio Solution File, Format Version 12.00
3+
# Visual Studio Version 17
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VisualStudioVersion = 17.12.35707.178 d17.12
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MinimumVisualStudioVersion = 10.0.40219.1
6+
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "KCNVrmModTool", "KCNVrmModTool.csproj", "{9710BFA8-2397-40B4-8E4D-2E4292378807}"
7+
EndProject
8+
Global
9+
GlobalSection(SolutionConfigurationPlatforms) = preSolution
10+
Debug|Any CPU = Debug|Any CPU
11+
Release|Any CPU = Release|Any CPU
12+
EndGlobalSection
13+
GlobalSection(ProjectConfigurationPlatforms) = postSolution
14+
{9710BFA8-2397-40B4-8E4D-2E4292378807}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
15+
{9710BFA8-2397-40B4-8E4D-2E4292378807}.Debug|Any CPU.Build.0 = Debug|Any CPU
16+
{9710BFA8-2397-40B4-8E4D-2E4292378807}.Release|Any CPU.ActiveCfg = Release|Any CPU
17+
{9710BFA8-2397-40B4-8E4D-2E4292378807}.Release|Any CPU.Build.0 = Release|Any CPU
18+
EndGlobalSection
19+
GlobalSection(SolutionProperties) = preSolution
20+
HideSolutionNode = FALSE
21+
EndGlobalSection
22+
EndGlobal

‎Models/CommandOptions.cs‎

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namespace KCNVrmModTool.Models
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{
3+
public enum Command
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{
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None,
6+
Scan,
7+
MP2955A,
8+
PXE1610C,
9+
TPS53679,
10+
TPS53678
11+
}
12+
13+
public class CommandOptions
14+
{
15+
public Command Command { get; set; }
16+
public byte Address1 { get; set; }
17+
public byte Address2 { get; set; }
18+
}
19+
}

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