gistfile1.txt

    private int Calculate_CRC16(byte[] buff, int len)
    {
        int u16CRC;
        u16CRC = 0xFFFF;
        for(int i=0; i<len; i++)
        {
            u16CRC = ((u16CRC>>8) | (u16CRC<<8))&0xFFFF;
            u16CRC ^= (buff[i]&0xFF);
            u16CRC ^= ((u16CRC&0xFF)>>4);
            u16CRC ^= (u16CRC<<12)&0xFFFF;
            u16CRC ^= ((u16CRC&0xFF)<<5)&0xFFFF;
        }
        u16CRC &= 0xFFFF;
        return u16CRC;
    }