Wince 流驱动 编写实例

// This is a Sample Driver #include <windows.h> #include "TCC79x_Virtual.h" #define IOCTL_WRITE1 1 #define IOCTL_WRITE0 0 #define IOCTL_READBIT 2 DWORD DDM_Init(LPCTSTR pContext, LPCVOID lpvBusContext); BOOL DDM_Deinit( DWORD hDeviceContext ); DWORD DDM_Open( DWORD hDeviceContext, DWORD AccessCode, DWORD ShareMode ); BOOL DDM_Close( DWORD hOpenContext ); BOOL DDM_IOControl( DWORD hOpenContext, DWORD dwCode, PBYTE pBufIn, DWORD dwLenIn, PBYTE pBufOut, DWORD dwLenOut, PDWORD pdwActualOut ); void DDM_PowerUp( DWORD hDeviceContext ); void DDM_PowerDown( DWORD hDeviceContext ); DWORD DDM_Read( DWORD hOpenContext, LPVOID pBuffer, DWORD Count ); DWORD DDM_Write( DWORD hOpenContext, LPCVOID pBuffer, DWORD Count ); DWORD DDM_Seek( DWORD hOpenContext, long Amount, WORD Type ); BOOL CustomFunction(void); BOOL CustomFunctionEx(LPTSTR lpBuffer); void DBGOut(DWORD dwValue); #define IOCTL_DRIVER_REVSTR 0x1000 HANDLE hMem; // Storage for Inbound Strings DWORD dwCount; // Size of current String // ---------------------------------------------------- BOOL APIENTRY DllMain( HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved ) { switch(ul_reason_for_call) { case DLL_PROCESS_ATTACH: OutputDebugString(L"DriverDemo - DLL_PROCESS_ATTACH\n"); break; case DLL_PROCESS_DETACH: OutputDebugString(L"DriverDemo - DLL_PROCESS_DETACH\n"); break; case DLL_THREAD_ATTACH: OutputDebugString(L"DriverDemo - DLL_THREAD_ATTACH\n"); break; case DLL_THREAD_DETACH: OutputDebugString(L"DriverDemo - DLL_THREAD_DETACH\n"); break; default: break; } return TRUE; } // Driver Init... DWORD DDM_Init( LPCTSTR pContext, LPCVOID lpvBusContext) { OutputDebugString(L"DriverDemo - DEM_Init - Context: "); OutputDebugString(pContext); OutputDebugString(L"\n"); hMem=LocalAlloc(LPTR,0x2000); // 0x1000 Unicode Characters OutputDebugString(L"DemoDriver - ~ DDM_Init\n"); return 0x1234; } BOOL DDM_Deinit( DWORD hDeviceContext ) { OutputDebugString(L"DriverDemo - DDM_Deinit\n"); OutputDebugString(L"DriverDemo - ~ DDM_Deinit\n"); return TRUE; } // Driver Open DWORD DDM_Open( DWORD hDeviceContext, DWORD AccessCode, DWORD ShareMode ) { OutputDebugString(L"DemoDriver - DDM_Open\n"); OutputDebugString(L"hDeviceContext - "); DBGOut(hDeviceContext); OutputDebugString(L"\n"); OutputDebugString(L"DemoDriver - ~ DDM_Open\n"); return 0x5678; } BOOL DDM_Close( DWORD hOpenContext ) { OutputDebugString(L"DriverDemo - DEM_Close\n"); OutputDebugString(L"hOpenContext - "); DBGOut(hOpenContext); OutputDebugString(L"\n"); OutputDebugString(L"DriverDemo - ~ DEM_Close\n"); return TRUE; } BOOL DDM_IOControl( DWORD hOpenContext, DWORD dwCode,\ PBYTE pBufIn, DWORD dwLenIn, \ PBYTE pBufOut, DWORD dwLenOut, PDWORD pdwActualOut ) { unsigned int tmp; OutputDebugString(L"DriverDemo - DDM_IOControl\n"); OutputDebugString(L"hOpenContext - "); DBGOut(hOpenContext); OutputDebugString(L"\n"); switch (dwCode) { case IOCTL_WRITE1: { BITSET(HwPORTCFG3,Hw12); BITSET(HwGPFEN,Hw2); BITSET(HwGPFDAT,Hw2); // OutputDebugString(L"IOCTL_WRITE1 IOCTL...\n"); // // reverse the string... // HANDLE hTemp=LocalAlloc(LPTR,dwLenIn+sizeof(TCHAR)); // memset(hTemp,0x00,dwLenIn+1); // TCHAR *tcOut=(TCHAR*)hTemp; // TCHAR *tcIn=(TCHAR*)pBufIn; // DWORD dwChars=dwLenIn/2; // for (DWORD x=0;x < dwChars;x++) { // tcOut[x]=tcIn[dwChars-x-1]; // } // memcpy(pBufOut,hTemp,dwLenIn); // LocalFree(hTemp); // *pdwActualOut=dwLenIn; break; } case IOCTL_WRITE0: { BITSET(HwPORTCFG3,Hw12); BITSET(HwGPFEN,Hw2); BITCLR(HwGPFDAT,Hw2); break; } case IOCTL_READBIT: { BITSET(HwPORTCFG3,Hw12); BITCLR(HwGPFEN,Hw2); tmp = HwGPFDAT; tmp &= 0x00000004; *pBufOut = (tmp == 0)?0:1; *pdwActualOut = 1; break; } default: OutputDebugString(L"Unknown IOCTL\n"); break; } OutputDebugString(L"DriverDemo - ~ DEM_IOControl\n"); return TRUE; } void DDM_PowerUp( DWORD hDeviceContext ) { OutputDebugString(L"DriverDemo - DDM_PowerUp\n"); OutputDebugString(L"hDeviceContext - "); DBGOut(hDeviceContext); OutputDebugString(L"\n"); OutputDebugString(L"DriverDemo - ~ DDM_PowerUp\n"); } void DDM_PowerDown( DWORD hDeviceContext ) { OutputDebugString(L"DriverDemo - DDM_PowerDown\n"); OutputDebugString(L"hDeviceContext - "); DBGOut(hDeviceContext); OutputDebugString(L"\n"); OutputDebugString(L"DriverDemo - ~ DDM_PowerDown\n"); } DWORD DDM_Read( DWORD hOpenContext, LPVOID pBuffer, DWORD Count ) { DWORD dwRetCount=0xffff; // default to error OutputDebugString(L"DriverDemo - DDM_Read\n"); OutputDebugString(L"hOpenContext - "); DBGOut(hOpenContext); OutputDebugString(L"\n"); if (NULL != hMem) { dwRetCount=dwCount; memcpy(pBuffer,hMem,dwCount); } OutputDebugString(L"DriverDemo - ~ DDM_Read\n"); return dwRetCount; } DWORD DDM_Write( DWORD hOpenContext, LPCVOID pBuffer, DWORD Count ) { OutputDebugString(L"DriverDemo - DDM_Write\n"); OutputDebugString(L"hOpenContext - "); DBGOut(hOpenContext); OutputDebugString(L"\n"); if (NULL != hMem) { LocalFree(hMem); } hMem=LocalAlloc(LPTR,Count); memcpy(hMem,pBuffer,Count); dwCount=Count; OutputDebugString(L"DriverDemo - ~ DDM_Write\n"); return Count; } DWORD DDM_Seek( DWORD hOpenContext, long Amount, WORD Type ) { OutputDebugString(L"DriverDemo - DDM_Seek\n"); OutputDebugString(L"hOpenContext - "); DBGOut(hOpenContext); OutputDebugString(L"\n"); OutputDebugString(L"DriverDemo - ~ DDM_Seek\n"); return 0; } BOOL CustomFunction(void) { OutputDebugString(L"DriverDemo - CustomFunction\n"); OutputDebugString(L"DriverDemo - ~ CustomFunction\n"); return TRUE; } BOOL CustomFunctionEx(LPTSTR lpBuffer ) { OutputDebugString(L"DriverDemo - CustomFunctionEx\n"); TCHAR buffer[16]; _tcscpy(buffer, lpBuffer); OutputDebugString(buffer); OutputDebugString(_T("\n")); OutputDebugString(L"DriverDemo - ~ CustomFunctionEx\n"); return TRUE; } void DBGOut(DWORD dwValue) { TCHAR tcTemp[10]; wsprintf(tcTemp,L"%ld",dwValue); OutputDebugString(tcTemp); }