cbit.c

来自「c语言写的哦,里面还带有整点报时音乐,音乐程序很简单」· C语言 代码 · 共 18 行

volatile unsigned int *Port;

void SET_Bit(unsigned int *Port,unsigned int bits)
{
*Port|=bits;
}

void CLR_Bit(unsigned int *Port,unsigned int bits)
{
*Port&=~bits;
}

void CPL_Bit(unsigned int *Port,unsigned int bits)
{
*Port^=bits;
}