Aaeon EMB-H61B Uživatelský manuál stáhnout pdf (Strana 81)

Indust ria l M o t herboa rd EMB-H61B

Appendix C Electrical Specifications for I/O Ports

C-9

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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();

}

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Aaeon EMB-H61B Uživatelský manuál Strana 81