nofxx · August 2, 2017 00:36
diff --git a/gistfile1.txt b/gistfile1.txt

  def self.crc16(buf)
    crc = 0xffff
    buf.each_byte do |b|
      crc = (crc >> 8) ^ CRC_LOOKUP[(crc ^ b) & 0xff]
    end
    ~crc
  end


diff --git a/gistfile2.txt b/gistfile2.txt
 U16 GetCrc16(const U8* pData, size_t nLength)
 {
 	U16 fcs = 0xffff; // initialization
 	while(nLength>0){
 		fcs = (fcs >> 8) ^ crctab16[(fcs ^ *pData) & 0xff];
 		nLength--;
 		pData++;
 	}
 	return ~fcs; // negated
 }
	U16 GetCrc16(const U8* pData, size_t nLength)
	{
	U16 fcs = 0xffff; // initialization
	while(nLength>0){
	fcs = (fcs >> 8) ^ crctab16[(fcs ^ *pData) & 0xff];
	nLength--;
	pData++;
	}
	return ~fcs; // negated
	}