计算xk+1除CRC-CCITT后的余式，k从1到32768-Xk+1 In addition to calculating the CRC-CCITT after more than style, k from 1-32768

Checksum algorithm CRC CCI-Checksum algorithm CRC CCITT

循环冗余检验(CRC－16－CCITT)类，包括两个函数：得到检验码；判断数据是否符合CRC。 -Cyclic redundancy check (CRC- 16- CCITT) class, including two functions: the tested code To judge whether data conforms to the CRC.