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用于安卓开发板ubuntu tcp上传用到的
参考文章crc16检验 python_Python CRC16校验算法_weixin_39628160的博客-CSDN博客def crc16(x, invert):a = 0xFFFFb = 0xA001for byte in x:a ^= ord(byte)for i in range(8):last = a % 2a >>= 1if last == 1:a ^= bs = hex(a).upper()return s[4:6]+s[2:4] if invert == True else s[2:4]+...https://blog.csdn.net/weixin_39628160/article/details/111956993
def crc16(x, invert): a = 0xFFFF b = 0xA001 for byte in x: a = (a >> 8) ^ ord(byte) for i in range(8): last = a & 0x0001 a >>= 1 if last == 0x0001: a ^= b s = hex(a).upper() return s[4:6] + s[2:4] if invert == True else s[2:4] + s[4:6] #例子 print(crc16('QN=20220505153000155;ST=36;CN=2101;PW=123456;MN=00003;Flag=5;CP=&&DataTime=20220505153000;LFName=20220505_1530000_1530155.mp4&&', False)) print(len('QN=20220505153000155;ST=36;CN=2101;PW=123456;MN=00002;Flag=5;CP=&&DataTime=20220505153000;LFName=20220505_1530000_1530155.mp4&&'))
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