Aaeon EMB-A70M Manuale Utente Scaricare il pdf (Pagina 85)

Mini-ITX EMB-A70M

Appendix D Electrical Specifications for I/O Ports D-6

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Boolean

AaeonReadPinStatus(byteRegister,byteBitNum){

 BooleanPinStatus;



 PinStatus=DIOBitRead(Register,BitNum);

 ReturnPinStatus;

}

VOID

AaeonSetOutputLevel(byteRegister,byteBitNum,byteValue){

 DIOBitSet(Register,BitNum,Value);

}

Boolean

DIOBitRead(byteRegister,byteBitNum){

 ByteTmpValue;



 TmpValue=IOReadByte(Register);

 TmpValue&=(1<<BitNum);

 If(TmpValue==0)

Return0;

 Return1;

}



VOID

DIOBitSet(byteRegister,byteBitNum,byteValue){

 ByteTmpValue;



 TmpValue=IOReadByte(Register);

 TmpValue&=~(1<<BitNum);

 TmpValue|=(Value<<BitNum);

 IOWriteByte(Register,TmpValue);

}

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Aaeon EMB-A70M Manuale Utente Pagina 85