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a1ae8453f7
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3 Commits

Author SHA1 Message Date
Michael Hope
a5eb5418d1 crc: add crc16_itu_t which is used in the MMC protocol. 
This is the MSB first version of crc16_ccitt.  Use the same name as in
Linux.

Signed-off-by: Michael Hope <mlhx@google.com>
 2018-02-07 16:49:52 -05:00
Michael Hope
f77c1d53b5 crc: add a faster, chainable version of CRC16/CCITT. 
The existing version of crc16_ccitt() is actually CRC-16/AUG-CCITT and
gives different results to Linux, Contiki, and the CRC unit in the
SAM0 SOC.  This version matches Linux.

Note that this is an incompatible API change.

Signed-off-by: Michael Hope <mlhx@google.com>
 2018-02-07 16:49:52 -05:00
Anas Nashif
6daf046e8f lib: move crc from drivers to lib/ 
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
 2017-12-15 20:02:01 -05:00