Asus AAEON FWS-8600, User Manual

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Appendix B – Standard LAN Bypass Platform Settings 97
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FWS
-8600
B.3 Software Button (General Purpose Input)
The FWS-8600 system features a general purpose input button which can be
programmed with the AAEON SDK.
B.3.1 Software Button Configuration
Table 1 : Software Button register mapping table
Attribute Register(I/O) BitNum Value
BTN_STS R 0xA05(Note1) 4(Note2) (Note3)
Table 2: Software Button register
Function Description
BTN_STS
Reading this register returns the pin level status which is normal high
active low.
0: Pin Level States Low.
1: Pin Level States High.
B.3.2 Sample Code
************************************************************
#define Word BTN_STS //This parameter is represented from
Note1
#define Byte BTN_STS_R //This parameter is represented
from Note2
************************************************************
Byte GET_Value (Word IoAddr, Byte BitNum,Byte Value){
BYTE TmpValue;
TmpValue = inportb (IoAddr);
return (TmpValue & (1 << BitNum))
}
************************************************************
VOID Main(){
Byte RstBtn;
RstBtn = GET_Value (BTN_STS, BTN_STS_R); // Active
Low
}
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