EVOC 104-1816CL2NA, Руководство пользователя, Страница: 97 / 101

Appendix
104-1816CL2NA - 41 -
//GPIO8
outportb(INDEX_PORT, 0xf1);
temp = inportb(DATA_PORT);
temp = temp & ~ bit0;
outportb(DATA_PORT, temp );
3.
Programming finished
outportb （ 0x2e ， 0xaa ） ;
5.2 Watchdog Programming Guide
This motherboard provides a programmable Watchdog timer (WDT for short),
with up to 255 levels, counted by minute or second. By programming, WDT timeout
event can be used for system reset.
The following provides the programming paradigms in C language. WDT should
be programmed by the following steps:
 Enter into WDT programming mode
 Configure WDT working mode: enable or disable WDT
1. Enter in to WDT programming mode
/*-------------------------------------------------*/
// Name:sio_wdt_enabled()
// Description: Used to active wdt function
// Input: none
// Output: none
/*-------------------------------------------------*/
void sio_wdt_enabled()
{
int temp
；
outportb(INDEX_PORT, 0x07);
outportb(DATA_PORT, 0x08);
outportb(INDEX_PORT, 0x30);
temp = inportb(DATA_PORT) | bit0;