NEXCOM APPC 1230T - Manual (Page 123)

Copyright © 2012 NEXCOM International Co., Ltd. All Rights Reserved. 107 APPC 1230T/1231T/1235T/1530T/1531T/1730T/1731T/1930T/1931T User Manual
Appendix A: GPI/O Programming Guide
GPIO programming sample code
#define GPIO_PORT 0xA04
#define GPO7 (0x01 <<2)
#define GPO8 (0x01 <<3)
#define GPO7_HI outportb(GPIO_PORT, 0x04)
#define GPO7_LO outportb(GPIO_PORT, 0x00)
#define GPO8_HI outportb(GPIO_PORT, 0x08)
#define GPO8_LO outportb(GPIO_PORT, 0x00)
void main(void)
{
GPO7_HI;
GPO8_LO;
}