VS2005 WINCE 简单的 流驱动 模板 转载

一个简单的WinCE流驱动模板

驱动程序部分

#define _WIN32_WINNT 0x0400#include <windows.h>#include <tchar.h> HANDLE g_hInstance; #define BUFSIZE 256WCHAR achBuffer[BUFSIZE]; //-----------------------------------------------------------------------------//----------------------------------------------------------------------------- BOOL WINAPI  DllEntryPoint(HANDLE hinstDLL,               DWORD dwReason,               LPVOID  lpvReserved ){    switch(dwReason)    {    case DLL_PROCESS_ATTACH:        g_hInstance = hinstDLL;        RETAILMSG(1,(TEXT("STRINGS: DLL_PROCESS_ATTACH/n")));        return TRUE;    case DLL_THREAD_ATTACH:        RETAILMSG(1,(TEXT("STRINGS: DLL_THREAD_ATTACH/n")));        break;    case DLL_THREAD_DETACH:        RETAILMSG(1,(TEXT("STRINGS: DLL_THREAD_DETACH/n")));        break;    case DLL_PROCESS_DETACH:        RETAILMSG(1,(TEXT("STRINGS: DLL_PROCESS_DETACH/n")));        break;#ifdef UNDER_CE    case DLL_PROCESS_EXITING:        RETAILMSG(1,(TEXT("STRINGS: DLL_PROCESS_EXITING/n")));        break;    case DLL_SYSTEM_STARTED:        RETAILMSG(1,(TEXT("STRINGS: DLL_SYSTEM_STARTED/n")));        break;#endif    }     return TRUE;}  //-----------------------------------------------------------------------------//----------------------------------------------------------------------------- BOOL STR_Close(DWORD hOpenContext){    BOOL bRet = TRUE;    RETAILMSG(1,(TEXT("STRINGS: STR_Close/n")));    return bRet;}  //-----------------------------------------------------------------------------//----------------------------------------------------------------------------- BOOL STR_Deinit(DWORD hDeviceContext){    BOOL bRet = TRUE;    RETAILMSG(1,(TEXT("STRINGS: STR_Deinit/n")));    return bRet;}  //-----------------------------------------------------------------------------//----------------------------------------------------------------------------- DWORD STR_Init(DWORD dwContext){    DWORD dwRet = 0;    RETAILMSG(1,(TEXT("STRINGS: STR_Init/n")));     // Initialize buffer to zero.    memset (achBuffer, 0, BUFSIZE * sizeof(WCHAR));     // Set return value to non-zero.    dwRet = 1;    return dwRet;}  //-----------------------------------------------------------------------------//----------------------------------------------------------------------------- BOOL STR_IOControl(DWORD hOpenContext,                    DWORD dwCode,                    PBYTE pBufIn,                    DWORD dwLenIn,                    PBYTE pBufOut,                    DWORD dwLenOut,                    PDWORD pdwActualOut){    BOOL bRet = TRUE;    RETAILMSG(1,(TEXT("STRINGS: STR_IOControl/n")));    return bRet;} //-----------------------------------------------------------------------------//----------------------------------------------------------------------------- DWORD STR_Open(DWORD hDeviceContext, DWORD AccessCode, DWORD ShareMode){    DWORD dwRet = 0;    RETAILMSG(1,(TEXT("STRINGS: STR_Open/n")));     dwRet = 1; // Have to make non-zero for this call to succeed.    return dwRet;}  //-----------------------------------------------------------------------------//----------------------------------------------------------------------------- void STR_PowerDown(DWORD hDeviceContext){    RETAILMSG(1,(TEXT("STRINGS: STR_PowerDown/n")));}  //-----------------------------------------------------------------------------//----------------------------------------------------------------------------- void STR_PowerUp(DWORD hDeviceContext){    RETAILMSG(1,(TEXT("STRINGS: STR_PowerUp/n")));}  //-----------------------------------------------------------------------------//----------------------------------------------------------------------------- DWORD STR_Read(DWORD hOpenContext, LPVOID pBuffer, DWORD Count){    DWORD dwRet = 0;    RETAILMSG(1,(TEXT("STRINGS: STR_Read/n")));     // Copy the smaller of buffer size or string size.    DWORD cbBuffer = wcslen(achBuffer);    dwRet = min(cbBuffer, Count);    wcsncpy((LPWSTR)pBuffer, achBuffer, dwRet);     // Return number of bytes read.    return dwRet;}  //-----------------------------------------------------------------------------//----------------------------------------------------------------------------- DWORD STR_Seek(DWORD hOpenContext, long Amount, DWORD Type){    DWORD dwRet = 0;    RETAILMSG(1,(TEXT("STRINGS: STR_Seek/n")));    return dwRet;}  //-----------------------------------------------------------------------------//----------------------------------------------------------------------------- DWORD STR_Write(DWORD hOpenContext, LPCVOID pSourceBytes, DWORD NumberOfBytes){    DWORD dwRet = 0;    RETAILMSG(1,(TEXT("STRINGS: STR_Write/n")));     // Copy the smaller of buffer size or number of bytes they send us.    dwRet = min(BUFSIZE, NumberOfBytes);    wcsncpy(achBuffer, (LPWSTR)pSourceBytes, dwRet);     // Return number of bytes written.    return dwRet;}

驱动程序注册表部分

[HKEY_LOCAL_MACHINE/Drivers/BuiltIn/STRINGS]   "Index"=dword:1   "Prefix"="STR"   "Dll"="String.dll"   "Order"=dword:0

调用这个驱动程序

#include <windows.h>#include "StdAfx.h" #define BUFFER_SIZE  256  // The buffer size is the same as the driver's buffer size  int WINAPI WinMain(HINSTANCE hInstance,                     HINSTANCE hPrevInstance,                     LPTSTR     lpCmdLine,                     int       nCmdShow){  // Open the STRINGS driver with READ and WRITE access  // ---------------------------------------------------------------------     HANDLE hStr = CreateFile(TEXT("STR1:"), GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);    if (INVALID_HANDLE_VALUE == hStr)    {        MessageBox(NULL, _T("Cannot open STR1:"), _T("StringApp"), MB_OK);        return 0;    }     // Write a string to the driver.  // ---------------------------------------------------------------------     DWORD  dwWritten = 0;    WCHAR* pString   = TEXT("This is a test of the String Driver. This is o­nly a test");    WriteFile(hStr, pString, (_tcslen(pString)+1), &dwWritten, NULL);     // Read string from driver.  // ---------------------------------------------------------------------     WCHAR wch[BUFFER_SIZE];    DWORD dwBytesRead = BUFFER_SIZE;    memset(&wch, '/0', BUFFER_SIZE * sizeof(WCHAR));     ReadFile(hStr, wch, sizeof(wch), &dwBytesRead, NULL);     MessageBox(NULL, wch, TEXT("StringApp"), MB_OK);     // Disconnect from driver. // ---------------------------------------------------------------------     CloseHandle(hStr);  return 0;}