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76 MPT-3000R / RHV Series User Manual
3. Exportion from IB_WDT.DLL / IB_WDT.64.DLL
extern "C" __declspec(dllexport) int __stdcall InstallDriver(void);
extern "C" __declspec(dllexport) int __stdcall RemoveDriver(void);
extern "C" __declspec(dllexport) char* __stdcall GetWDTInfo(void);
extern "C" __declspec(dllexport) int __stdcall EnableWDT(int);
extern "C" __declspec(dllexport) int __stdcall DisableWDT(int);
extern "C" __declspec(dllexport) int __stdcall IsDioAvailable(int);
extern "C" __declspec(dllexport) int __stdcall SetDioInputMask(int);
extern "C" __declspec(dllexport) int __stdcall SetDioOutputMask(int);
extern "C" __declspec(dllexport) int __stdcall GetDioInput(int);
extern "C" __declspec(dllexport) int __stdcall SetDioOutput(int);
Note:
1. The IB_WDT.DLL is of 32-bit and works on 32-bit and 64-bit Windows
operating system
. The “IB_WDT.64.DLL” is for 64bit Windows only.
2. The routines are not thread-safe. Your software engineers should take the
responsibility to avoid multi-entry condition.

Driver Initialization & Deinitalization
extern "C" __declspec(dllexport) int __stdcall InstallDriver(void);
Input : None
Output : Return 1 if device driver loads successfully; otherwise return 0.
Note: This function should be invoked before Watchdog and Digital I/O
routines.
extern "C" __declspec(dllexport) int __stdcall RemoveDriver(void);
Input : None
Output : Always return 1.
Note: This function should be invoked before the program closes and it will
release the device driver and memory for ib_wdt.dll . If the program is closed
without calling this routine, resource leak may occur.