XtendLan TCD-N2600-C2G2-2, Руководство пользователя

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Watchdog Timer
This section describes how to use the Watchdog Timer, including disabled, enabled,
and trigger functions.
The TCD-N2600-C2G2-2 is equipped with a programmable time-out period
watchdog timer. You can use your own program to Enabled the watchdog timer.
Once you have enabled the watchdog timer, the program should trigger the I/O
every time before the timer times out. If your program fails to trigger or disable this
timer before it times out, e.g. because of a system hang-up, it will generate a reset
signal to reset the system. The time-out period can be programmed to be set from
1 to 255 seconds or minutes.
The CD includes a Watch Dog demo file. In the WATCHDOG/F81216D/TURBOC:
Library and Test Program written in Turbo C
++
The WATCHDOG includes a demonstration program established for users who
would like to configure the Watchdog timer by themselves.
Note : In the WATCHDOG/F81216D directory, README.TXT file is included to
provide demo program information.
If use the watchdog Turbo C++ demo program, need the modify
watchdog register whose address index is 0x2e and data port is 0x2F,
and watchdog trigger and timer I/O is set to 0x308 and 0x309. Like below:
#define equIndexPort 0x2e /*super IO of index port for Super I/O/
#define equDataPort 0x2f /*super IO of data port for Super I/O */
#define WDTCS 0x308 /*set Watch Dog timer configuration status */
#define WDTtimer 0x309 /*set WDT Timer and Enable */