Appendix D: Watchdog Sample Code - Kontron MBATX-945G-VGA User Manual

Appendix D: Watchdog
Sample Code
.MODEL SMALL
.386
.stack
.DATA
.CODE
newiodelay macro
out 0ebh,al
endm
;================ PROGRAM START ===============
SIO_CON_PORT
SIO_DATA
begin:
MOV DX,SIO_CON_PORT
MOV AL,87H
OUT DX,AL
OUT DX,AL
MOV DX,SIO_CON_PORT
MOV AL,2DH
OUT DX,AL
MOV DX,SIO_DATA
IN AL,DX
AND AL,0FEH
OUT DX,AL
MOV DX,SIO_CON_PORT
MOV AL,07H
OUT DX,AL
MOV DX,SIO_DATA
MOV AL,08H
OUT DX,AL
MBATX-945G-VGA User's Guide
;macro delay
EQU 2EH
EQU 2FH
;SUPERIO ENTER CONFIG
;GPIO5 AND POWER CONTROL
SIGNALS MULTI-FUNCTION PIN
SELECTION
;BIT 0 PIN77 SELECT (0= WDTO#,
1= GPIO50)
;SELECT PIN TO WATCH DOG
;LOGIC DEVICE SELECT
;SELECT DEVICE 8 (WATCH DOG)
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