Asus AAEON GENE-BSW5, User Manual

Page: 129 / 134

Appendix C – Digital I/O Ports 115
3.5
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C.4 Digital I/O Sample Program
**************************************************************************
// SuperIO relative definition (Please reference to Table 2)
#define SIOIndex 0x2E
#define SIOData 0x2F
#define DIOLDN 0x06
IOWriteByte(byte IOPort, byte Value);
IOReadByte(byte IOPort);
// DIO relative definition (Please reference to Table 3)
#define DirReg_L 0x88 // 0:input, 1: output
#define DirReg_H 0x80 // 0:input, 1: output
#define InputPin 0x00
#define OutputPin 0x01
#define OutputReg_L 0x89 // 0:low, 1: high
#define OutputReg_H 0x81 // 0:low, 1: high
#define StatusReg_L 0x8A // 0:low, 1: high
#define StatusReg_H 0x82 // 0:low, 1: high
#define PinLow 0x00
#define PinHigh 0x01
#define Pin0Bit 0x00
#define Pin1Bit 0x01
#define Pin2Bit 0x02
#define Pin3Bit 0x03
#define Pin4Bit 0x04
#define Pin5Bit 0x05
#define Pin6Bit 0x06
#define Pin7Bit 0x07
**************************************************************************
**************************************************************************
VOID Main(){
Boolean PinStatus ;
// Procedure : AaeonReadPinStatus
// Input :
// Example, Read Digital I/O Pin 3 status
// Output :
//
InputStatus :
// 0: Digital I/O Pin level is low
// 1: Digital I/O Pin level is High