Advantech PPC-S123 Manual do Utilizador descarregar pdf (Página 145)

Appendix B Programming the Watchdog Timer

129

The following example shows how you might program the watchdog

timer in BASIC:

10 REM Watchdog timer example program

20 OUT &H443, data REM Start and restart the

watchdog

30 GOSUB 1000 REM Your application task #1,

40 OUT &H443, data REM Reset the timer

50 GOSUB 2000 REM Your application task #2,

60 OUT &H443, data REM Reset the timer

70 X=INP (&H443) REM, Disable the watchdog timer

80 END

1000 REM Subroutine #1, your application task

••

1070 RETURN

2000 REM Subroutine #2, your application task

••

2090 RETURN

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Advantech PPC-S123 Manual do Utilizador Página 145