B&B Electronics ATRWDT, ATXWDT manual Command Reference, BBPCWDTStartup, BBPCWDTShutdown

Command Reference

BBPCWDT_Startup

Purpose:	Begin communications with the watchdog timer.
C Syntax:	HANDLE BBPCWDT_Startup(void);
BASIC	Function BBPCWDTStartup () As Long
Syntax:
Remarks:	This function reads the watchdog timer’s I/O port
	value that the setup program stored in the registry
	for Windows 95 / NT or in the file, PCWDT.INI, for
	Windows 3.11. The Windows NT version of this
	function establishes communications with the
	PCWDT device driver. The Windows 3.11 / 95
	version of this function just returns a handle that is
	used with the other functions in this section to
	communicate with the watchdog timer.
Return Value:	On error, INVALID_HANDLE_VALUE is returned
	otherwise a handle to the watchdog timer is
	returned.

BBPCWDT_Shutdown

Purpose:	Terminate communications with the watchdog
	timer.
C Syntax:	BOOL BBPCWDT_Shutdown(HANDLE hDev);
BASIC	Function BBPCWDTShutdown (ByVal hDev
Syntax:	As Long) As Byte
Remarks:	hDev is the handle to the watchdog timer that was
	returned by BBPCWDT_Startup. The Windows NT
	version of this function closes the communications
	to the PCWDT device driver.
Return Value:	TRUE (non-zero) if successful, otherwise FALSE
	(zero).

16 Documentation Number ATxWDT-1303

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