]> git.zerfleddert.de Git - proxmark3-svn/blame_incremental - common/crc16.c
added tiwrite command, split LF code from appmain into lfops.c
[proxmark3-svn] / common / crc16.c
... / ...
CommitLineData
1WORD update_crc16( WORD crc, BYTE c ) {\r
2 WORD i, v, tcrc = 0;\r
3\r
4 v = (crc ^ c) & 0xff;\r
5 for (i = 0; i < 8; i++) {\r
6 tcrc = ( (tcrc ^ v) & 1 ) ? ( tcrc >> 1 ) ^ 0x8408 : tcrc >> 1;\r
7 v >>= 1;\r
8 }\r
9\r
10 return ((crc >> 8) ^ tcrc)&0xffff;\r
11}\r
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