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Commit | Line | Data |
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a99c6a19 | 1 | unsigned short update_crc16( unsigned short crc, unsigned char c ) {\r |
2 | unsigned short i, v, tcrc = 0;\r | |
0c2ed92d | 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 | |
9bea179a | 10 | return ((crc >> 8) ^ tcrc)&0xffff;\r |
0c2ed92d | 11 | }\r |