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NEXCOM APPC 1230T User Manual

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Copyright © 2012 NEXCOM International Co., Ltd. All Rights Reserved.

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APPC 1230T/1231T/1235T/1530T/1531T/1730T/1731T/1930T/1931T User Manual

Appendix B: Digital I/O Programming Guide

GPIO programming sample code

#define DIO_PORT

0xA05

#define DIO_PORTI

0xA01

#define DO9

(0x01 <<4)

#define DO10

(0x01 <<5)

#define DO11

(0x01 <<6)

#define DO12

(0x01 <<7)

#define DO9_HI

outportb(GPIO_PORT, 0x10)

#define DO9_LO

outportb(GPIO_PORT, 0x00)

#define DO10_HI

outportb(GPIO_PORT, 0x20)

#define DO10_LO

outportb(GPIO_PORT, 0x00)

#define DO11_HI

outportb(GPIO_PORT, 0x40)

#define DO11_LO

outportb(GPIO_PORT, 0x00)

#define DO12_HI

outportb(GPIO_PORTI, 0x80)

#define DO12_LO

outportb(GPIO_PORTI, 0x00)

void main(void)
{
DO9_HI;
DO10_LO;
DO11_HI;
DO12_LO;
}

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