ADLINK NuPRO-E320 - Manual (Page 87)

Watchdog Timer 73
NuPRO-E320
break;
case 0x4E:
//Address port = 0x4E, enter keys = 0x87,
0x01, 0x55, 0xAA
outportb(0x2E, 0x87);
outportb(0x2E, 0x01);
outportb(0x2E, 0x55);
outportb(0x2E, 0xAA);
break;
default:
break;
}
}
void Exit_IT8718_Config(int config_port)
{
outportb(config_port, 0x02);
outportb(config_port+1, 0x02);
}
void WDTRUN(int config_port,int count_value)
{
int temp;
int counter;
//Select WDT device
outportb(config_port, 0x07);
outportb(config_port+1, 0x07);//device 7
//Set second/minute mode
outportb(config_port, 0x72);
temp = inportb(config_port+1);
if(count_value == 0)
{
counter = count_value;
printf("WDT is Disabled.");
outportb(config_port+1, temp);//WDT output
through PWROK2 default is Disabled.
}// end of (count_value == 0)
else if(count_value <= 60){
temp = temp | 0x80;//chip's default is minute.
counter = count_value;
printf("WDT timeout in %d seconds.",counter);