1  component gray2bin "convert a gray-code input to binary";
 2  description """Converts a gray-coded number into the corresponding binary value""";
 3  pin in unsigned in "gray code in";
 4  pin out unsigned out "binary code out";
 5  license "GPL";
 6  author "andy pugh";
 7  function _ nofp;
 8  ;;
 9  unsigned int mask;
10  out = in;
11  for(mask = in >> 1 ; mask != 0 ; mask = mask >> 1){
12      out ^= mask;
13  }