Vincent Palatin ece9501f06 Twinkie: update sniffer code
- Remove hardware double-buffering : it's complex to get right and does
  not provide any performance improvement.
- Increase buffer size x2 to decrease overflow frequency.
- Fix buffering and simplify code.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=none
BUG=chrome-os-partner:28337
TEST=make BOARD=twinkie
do a long acquisition on a sample pattern from the function generator
and verify that no packet are missing and the waveform looks good.

Change-Id: I12a9e8370d3f238e8894f15ce0190e2e0fbc26d7
Reviewed-on: https://chromium-review.googlesource.com/223565
Reviewed-by: Todd Broch <tbroch@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
2014-10-20 19:59:43 +00:00
2014-10-20 19:59:43 +00:00
2014-10-18 07:38:26 +00:00
2014-10-09 20:44:43 +00:00
2014-03-31 22:45:09 +00:00
2012-05-11 09:11:52 -07:00
2014-04-02 19:58:53 +00:00
2014-05-15 05:20:14 +00:00

For an overview of the Embedded Controller firmware, refer to

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