ARK-2121V User Manual
62
A.1
Watchdog Timer Sample Code
EC_Command_Port = 0x29Ah
EC_Data_Port = 0x299h
Write EC HW ram = 0x89
Watch dog event flag = 0x57
Watchdog reset delay time = 0x5E
Reset event = 0x04
Start WDT function = 0x28
====================================================
.model small
.486p
.stack 256
.data
.code
org 100h
.STARTup
mov dx, EC_Command_Port
mov al,89h ; Write EC HW ram.
out dx,al
mov dx, EC_Data_Port
mov al, 5Fh ; Watchdog reset delay time low byte (5Eh is high
byte) index.
out dx,al
mov dx, EC_Data_Port
mov al, 30h ;Set 3 seconds delay time.
out dx,al
mov dx, EC_Command_Port
mov al,89h ; Write EC HW ram.
out dx,al
mov dx, EC_ EC_Data_Port
mov al, 57h ; Watch dog event flag.
out dx,al
mov dx, EC_Data_Port
mov al, 04h ; Reset event.
out dx,al
mov dx, EC_Command_Port
mov al,28h ; start WDT function.
out dx,al
.exit
Summary of Contents for ARK-2121V
Page 1: ...User Manual ARK 2121V In Vehicle HD NVR w 4 PoE Ports...
Page 10: ...ARK 2121V User Manual x...
Page 11: ...Chapter 1 1 General Introduction This chapter gives background information on ARK 2121V series...
Page 16: ...ARK 2121V User Manual 6...
Page 33: ...Chapter 4 4 Pin Assignments This chapter explains Pin Assign ments of ARK 2121V Series...
Page 46: ...ARK 2121V User Manual 36...
Page 47: ...Chapter 5 5 BIOS settings This chapter introduces how to set BIOS configuration data...
Page 52: ...ARK 2121V User Manual 42 5 2 2 2 Super I O Configuration...
Page 71: ...Appendix A A WDT Sample Code...
Page 73: ...63 ARK 2121V User Manual Appendix A WDT Sample Code...
