AAEON EMB-A70M - Manual (Page 85)

M i n i - I T X E M B - A 7 0 M
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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