C.3 Examples
#define WDT_CODE(ID)
CTL_CODE(FILE_DEVICE_UNKNOWN,ID, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_WDT_ENABLE WDT_CODE (0x900) #define IOCTL_WDT_DISABLE WDT_CODE(0x901) #define IOCTL_WDT_STROBE WDT_CODE(0x902)
#define IOCTL_WDT_GET_TIMEOUT WDT_CODE(0x903) #define IOCTL_WDT_SET_TIMEOUT WDT_CODE(0x904) #define IOCTL_WDT_REBOOT WDT_CODE(0x905)
//for compatibility reasons, you can define IOCTL as below:
//#define IOCTL_WDT_ENABLE 0x1001
//#define IOCTL_WDT_DISABLE 0x1002
//#define IOCTL_WDT_STROBE 0x1003
//#define IOCTL_WDT_GETTIMEOUT 0x1004
//#define IOCTL_WDT_SETTIMEOUT 0x1005
//#define IOCTL_WDT_REBOOT 0x1006
HANDLE m_hWDT=NULL;
TCHAR szClassName[60];
//assign the WDT driver name wsprintf(szClassName, TEXT("WDT1:"));
//Open the WDT driver
m_hWDT = CreateFile(szClassName, GENERIC_READ GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if ( m_hWDT == INVALID_HANDLE_VALUE ) { DebugMsg(CString("WDT driver fail"));
return;
}
DWORD dwTemp; DWORD nIndex=2;
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