]>
cvs.zerfleddert.de Git - proxmark3-svn/blob - common/crc16.c
c26ced8a5a2ddb8cf8badd076b6caa6d85a8c4b7
1 unsigned short update_crc16( unsigned short crc
, unsigned char c
) {
2 unsigned short i
, v
, tcrc
= 0;
5 for (i
= 0; i
< 8; i
++) {
6 tcrc
= ( (tcrc
^ v
) & 1 ) ? ( tcrc
>> 1 ) ^ 0x8408 : tcrc
>> 1;
10 return ((crc
>> 8) ^ tcrc
)&0xffff;