Appendix E Programming The Watchdog Timer - Advantech PCM-5820 Manual

The following program shows how you might program the watch-
dog timer in BASIC:
1 0 REM
2 0 X=Out &H443, 1 REM
watchdog
3 0 GOSUB 1000 REM
complete
4 0 X=Out &H443, 1 REM
5 0 GOSUB 2000 REM
complete
6 0 X=Out &H443, 0 REM
7 0 END
1000 REM
complete
.
.
.
1070 RETURN
2000 REM
complete
.
.
.
2090 RETURN
Watchdog timer example program
Task #1, takes 1 second to
Task #2, takes 1 second to
Subroutine #1, takes 1 second to
Subroutine #2, takes 1 second to

Appendix E Programming the Watchdog Timer

Enable and refresh the
Refresh the watchdog
Disable the watchdog
99