Acrosser AR-B5890 Manuel d'utilisateur télécharger pdf (Page 19)

AR-B5890 User Manual

WATCHDOG TIMER

//===========================================================================

// Describe : ITE8718F WatchDog timer test

// Date : 12/16/2009

// Author : Willy

//===========================================================================

#include <conio.h>

#include <stdlib.h>

#include <stdio.h>

#include <dos.h>

//===========================================================================

// Main procedure

//===========================================================================

int main(int argc, char *argv[])

{

unsigned char IO_Port_Address=0x2E;

unsigned char Time;

unsigned int Temp;

long int Time1 = 0, C = 0;

if ( argc != 2 )

{ Show_Help(); return 1; }

clrscr();

Time=atoi(argv[1]);

// Set Watchdog

outportb(IO_Port_Address,0x87); // Enter configure

outportb(IO_Port_Address,0x01);

outportb(IO_Port_Address,0x55);

outportb(IO_Port_Address,0x07); // Point to Logical Device Number Reg.

outportb(IO_Port_Address+1,0x07); // Select logical device 7, (Watchdog Function)

outportb(IO_Port_Address,0x23); // Select Watchdog use CLKIN

outportb(IO_Port_Address+1,inportb(IO_Port_Address+1)|0x10);

outportb(IO_Port_Address,0x72); // Select Watchdog use keyboard reset

outportb(IO_Port_Address+1,0x40);

outportb(IO_Port_Address,0x72); // Select Watchdog count mode seconds or minutes

outportb(IO_Port_Address+1,inportb(IO_Port_Address+1)|0x80); // Set Second

if (Time != 0)

{

Time1 = Time;

C = ( Time1 * (0x64) ) / (0x6C); // Time = Time * 1.08 (offset)

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 32 33

Pas de commentaire

Acrosser AR-B5890 Manuel d'utilisateur Page 19