Rockwell-automation 1747-PCINT API Software for 1746 I/O Instrukcja Użytkownika Pobierz pdf (Strona 103)

OC_PetHostWatchdog Library of Routines 6–49

Publication 1747-6.5.3 June 1998

OC_PetHostWatchdog OC_PetHostWatchdog increments the host-to-scanner watchdog register of the

scanner.

Syntax:

void OC_PetHostWatchdog(HANDLE handle);

Parameters:

Description:

OC_PetHostWatchdog must be called at time intervals less than the timeout value specified in the

OC_SetHostWatchdog function.

Return Value:

Considerations:

Supported in the DOS API library and the Windows NT API library

Example:

HANDLE Handle;

retcode = OC_PetHostWatchdog( Handle );

Parameter: Description:

handle

Must be a valid handle returned from OC_OpenScanner

Name: Value: Description:

SUCCESS

watchdog was updated successfully

ERR_OCACCESS

handle does not have access to scanner

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Rockwell-automation 1747-PCINT API Software for 1746 I/O Instrukcja Użytkownika Strona 103