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7 Commits

Author SHA1 Message Date
Alexander Polleti aec8971bfd crc8: fix const correctness 
Declares the array with constant data const.

Tested with tests/unit/lib/crc.

Signed-off-by: Alexander Polleti <metapsychologe@yahoo.de>
 2018-10-04 16:37:21 -05:00
Olivier Martin e7ae7334db lib/crc: Add CRC32 support 
It only adds CRC32 IEEE support at the moment.

Signed-off-by: Olivier Martin <olivier.martin@proglove.de>
 2018-07-18 10:00:12 -04:00
Michael Hope dc37f985e9 crc: make crc8_ccitt() match the other CRC functions. 
This is a minor change that makes the data pointer const and shifts
the length to a size_t to match the other CRC functions.

Signed-off-by: Michael Hope <mlhx@google.com>
 2018-03-10 21:49:07 -05:00
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
Andrzej Puzdrowski 9a5a3e06f0 lib: crc: Add crc8-ccitt implementation 
This patch adds crc8-ccitt calculation routine.

CRC8 CCITT is required for Flash Circular Buffer
module (originally mynewt module).

Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
 2018-01-15 15:46:37 -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