2 Commits

Author	SHA1	Message	Date
Shawn Nematbakhsh	952b2a54e1	crc8: Support crc calculation across non-contiguous data ... Building a single buffer for crc calculation is often inefficient, so add a new function that calculates crc8 from an existing crc8. BUG=chromium:576911 BRANCH=None TEST=Manual on sentry with subsequent commit. Verify that smbus communication with battery is functional. Change-Id: I05ffedb81ffcf0c126acda5f6212b3147b1580a1 Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/333786 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>	2016-03-18 22:16:53 -07:00
Sheng-Liang Song	7bea5174a1	EC: Add smbus interface read & write APIs ... Ref: http://smbus.org/specs/smbus20.pdf - Support software CRC8 generation and checking. - Support read/write word (2-bytes) - Support read/write blocks (up to 32 bytes) BUG=chrome-os-partner:24741 BRANCH=ToT,glimmer TEST=Verified with smart battery firmware update application on glimmer. Passed LGC & Simplo Battery. Change-Id: Ic2e7f759af80c06741ed49fee1826213429fbf8a Signed-off-by: Sheng-Liang Song <ssl@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/209747 Reviewed-by: Randall Spangler <rspangler@chromium.org>	2014-08-29 02:57:00 +00:00