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Alec Berg 9ba7bd4284 pd: clean up beg/end transitions of PD comms

Fix the beginning and end of BMC PD communication:
- Initial transmission within 1us of taking control of CC line
- CC line released between 1us and 23us after last edge
- If final bit is a 0, then add two 1 bits to the end
- No garbage after the final bit

BUG=chrome-os-partner:30132
BRANCH=none
TEST=tested with a fruitpie, samus, and zinger.
verified timing on scope.

Change-Id: Ie45695eb367a7554cf5d5b76b6fbdf1e3fc85d29
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/206453
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>

2014-07-03 05:25:13 +00:00

board

pd: clean up beg/end transitions of PD comms

2014-07-03 05:25:13 +00:00

chip

pd: clean up beg/end transitions of PD comms

2014-07-03 05:25:13 +00:00

common

pd: resolve transmission conflicts faster

2014-07-03 02:55:43 +00:00

core

better unhandled exception panic without runtime

2014-07-03 02:56:52 +00:00

driver

cprints: Revert some changes from CPRINTF to CPRINTS

2014-07-03 02:52:35 +00:00

extra

Tweaks to lightbar simulation

2014-06-05 23:14:34 +00:00

include

pd: add support for suspending the task

2014-07-02 00:45:29 +00:00

power

stm32: move spi init to HOOK_CHIPSET_PRE_INIT.

2014-07-02 00:54:42 +00:00

test

charger v2: supports charger watchdog

2014-04-23 20:50:48 +00:00

util

ectool: Add back support for version 0 of batterycutoff command

2014-06-26 02:42:32 +00:00

.gitignore

Add TAGS and cscope.* to .gitignore

2014-03-31 22:45:09 +00:00

COMMIT-QUEUE.ini

Ignore failures in HWTest and VMTest in the commit queue.

2013-11-01 14:08:36 +00:00

LICENSE

Add LICENSE file to project

2012-05-11 09:11:52 -07:00

Makefile

IRQ list support for enabling specific IRQs without common runtime

2014-06-19 03:25:08 +00:00

Makefile.rules

build: Move libs after source or object files

2014-06-04 21:01:16 +00:00

Makefile.toolchain

stm32: add USB driver

2014-06-18 06:08:45 +00:00

OWNERS

Add OWNERS files

2014-04-02 19:58:53 +00:00

PRESUBMIT.cfg

Add presubmit check for unit test

2014-02-06 19:27:18 +00:00

README

Add standalone lightbar simulation tool

2014-05-15 05:20:14 +00:00

README.fmap

Update EC config and FMAP to reserve room for vboot signatures

2012-05-04 14:42:58 -07:00

README

For an overview of the Embedded Controller firmware, refer to

http://www.chromium.org/chromium-os/2014-firmware-summit

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