Quanmax KEMX-1750 series - Page 60

Appendix A
60
KEMX
-
1
7
50 serie
s
Use r’ s M a nual
//set DO_0~3 to High
printf("Set DO_0~3 to High\n");
outpd(GPIO_BASE + GPIO2_LVL, 0xFFFFFFFF) ;
s ys tem ("paus e");
//set DO_0~3 to Low
printf("Set DO_0~3 to Low\n");
outpd(GPIO_BASE + GPIO2_LVL, 0x0);
s ys tem ("paus e");
return 0;
}