void ht1621_UnDisSection(uint_t nSection)
{
uint_t nBit;
nBit = (nSection & 0xC0) >> 6;
nSection = invert_bits(nSection & 0x3F, 6);
ht1621_WrByte(nSection, ht1621_RrByte(nSection) & BITANTI(nBit));
ht1621_Cs(1);
}
uint_t ht1621_RrByte(uint_t nAdr)//读addr地址处的数据，读出的数据存至data，
{
uint_t nData;
if (nAdr <= (HT1621_Ful_addr - 1)) {
ht1621_SendBits(0x03, 3);
ht1621_SendBits(nAdr, 6);
nData = ht1621_ReadBits(4);
}
nData = invert_bits(nData, 4);
ht1621_Cs(1);
return nData;
}
main()
{
printf("invert(%x, p = 3, n = 2) = %x\n", 0x6, invert_bits(0x6, 3, 2));
} // end main
