Swap two nibbles in a byte | GeeksforGeeks
A nibble is a four-bit aggregation, or half an octet. There are two nibbles in a byte.
Given a byte, swap the two nibbles in it.
The expression “x & 0x0F” gives us last 4 bits of x.
The expression “x & 0xF0” gives us first four bits of x.
Read full article from Swap two nibbles in a byte | GeeksforGeeks
A nibble is a four-bit aggregation, or half an octet. There are two nibbles in a byte.
Given a byte, swap the two nibbles in it.
unsigned char swapNibbles(unsigned char x){ return ( (x & 0x0F)<<4 | (x & 0xF0)>>4 );}The expression “x & 0x0F” gives us last 4 bits of x.
The expression “x & 0xF0” gives us first four bits of x.
Read full article from Swap two nibbles in a byte | GeeksforGeeks
