Rockwell-automation 2711P Software Development Kit User Manual Instrukcja Użytkownika Pobierz pdf (Strona 38)

Publication 2711P-UM005A-EN-P - March 2007

38 PanelView Plus CE-Specific Extensions to the WinCE API

dwTimeout

Timeout in milliseconds. This parameter must be one of the following

values:

dwTimeoutAction

Determines what action is taken when a timeout occurs. This

parameter must be one of the following values:

Software Watchdog Timeout Values

Value Description

WATCHDOG_KICK (Value = 0) Tags (restarts) the watchdog indicating that the

process is active.

50 – 5000 milliseconds The watchdog timeout in milliseconds. Once the

watchdog is activated, the caller must tag the

watchdog monitor before a timeout occurs.

WATCHDOG_DISABLE

(Value = MAXDWORD)

Stops the instance of the software watchdog that

corresponds to the Watchdog Tag ID.

Software Watchdog Timeout Actions

Value Description

WATCHDOG_SYSRESET Reset the system.

WATCHDOG_APP_STOP Stop the process. The system will continue to operate.

WATCHDOG_TIMEOUT_PROMPT This is an attribute of the actions:

WATCHDOG_SYSRESET, or WATCHDOG_APP_STOP.

When OR’d with one of these flags, a prompt will be

displayed on the user screen. The prompt must be

acknowledged before the action proceeds.

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Rockwell-automation 2711P Software Development Kit User Manual Instrukcja Użytkownika Strona 38