Aaeon EMB-H61B Manuel d'utilisateur télécharger pdf (Page 81)

Indust ria l M o t herboa rd EMB-H61B

Appendix C Electrical Specifications for I/O Ports

C-9

************************************************************************************

Boolean

SIOBitRead(byte LDN, byte Register, byte BitNum)

{

Byte TmpValue;

SIOEnterMBPnPMode();

SIOSelectLDN(LDN);

IOWriteByte(SIOIndex, Register);

TmpValue = IOReadByte(SIOData);

TmpValue &= (1 << BitNum);

SIOExitMBPnPMode();

If(TmpValue == 0)

Return 0;

Return 1;

}

VOID

ConfigToOutputMode(byte LDN, byte Register, byte BitNum)

{

Byte TmpValue, OutputEnableReg;

OutputEnableReg = Register-1;

SIOEnterMBPnPMode();

SIOSelectLDN(LDN);

IOWriteByte(SIOIndex, OutputEnableReg);

TmpValue = IOReadByte(SIOData);

TmpValue |= (1 << BitNum);

IOWriteByte(SIOData, OutputEnableReg);

SIOExitMBPnPMode();

}

************************************************************************************

1 2 ... 76 77 78 79 80 81

Pas de commentaire

Aaeon EMB-H61B Manuel d'utilisateur Page 81