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0dac0876e5
Implemented an led state table based implementation for LED control of the battery LED. The states are the same as previous Coral/Reef single LED control with the exception of allowing for 3 charging states based on the current battery state of charge level. Now the desired state is determined and that's used to access the correct LED behavior based on the current tick count. Changed from a one second tick to the NPCX 200 msec tick so the Robo power button pattern can be supported as well. The are currently two tables implemented, one for Robo devices, and the default table. At init time, after the SKU ID is determined, the correct table is assigned. BUG=b:64192049 BRANCH=None TEST=Manual Tested both Coral proto and Robo EVT systems. Verifed operation in the different states. During tested used modified charging level tables so the 3 different charging states could be exercised. Also removed battery to verify the error state. Change-Id: Ifc6935f73d4fed1eeec9c5aab13f6346f61857ff Signed-off-by: Scott Collyer <scollyer@google.com> Reviewed-on: https://chromium-review.googlesource.com/693387 Commit-Ready: Scott Collyer <scollyer@chromium.org> Tested-by: Scott Collyer <scollyer@chromium.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly