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30 lines
629 B
C
30 lines
629 B
C
#pragma once
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//位运算函数
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//PortVal 的PortIdx 位设置为1
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inline long SetBitOn(long PortVal,int PortIdx)
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{
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PortVal= PortVal |(1<<PortIdx);
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return PortVal;
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}
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//PortVal 的PortIdx 位设置为0
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inline BYTE SetBitOff(BYTE PortVal,int PortIdx)
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{
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PortVal = (PortVal)&(~(1<<PortIdx));
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return PortVal;
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}
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//判断某位是否为1,PortIdx 从右到左
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inline BOOL IsBitOn(BYTE PortVal,int PortIdx)
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{
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if((PortVal>>PortIdx)&1)
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return TRUE;
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else
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return FALSE;
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}
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inline long SetBitByBool(BYTE PortVal,int PortIdx,bool b)
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{
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if(b)
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return SetBitOn(PortVal,PortIdx);
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return SetBitOff(PortVal,PortIdx);
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} |