Wei-Han Chen aab7366187 usb_update: check touchpad_info size at build time
Current protocol will not work if touchpad_info is more than 50 bytes.
Assert this constrain at build time.

BRANCH=none
BUG=b:70482333
TEST=make BOARD=hammer
Signed-off-by: Wei-Han Chen <stimim@chromium.org>

Change-Id: I9bf163f77f14c7d475fc8a2f422ce596dc89c61e
Reviewed-on: https://chromium-review.googlesource.com/958893
Commit-Ready: Wei-Han Chen <stimim@chromium.org>
Tested-by: Wei-Han Chen <stimim@chromium.org>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
2018-03-22 10:58:26 -07:00
2017-08-07 19:29:13 -07:00
2018-03-20 19:30:17 -07:00
2017-07-08 20:38:53 -07:00
2017-10-10 22:13:43 -07:00
2012-05-11 09:11:52 -07:00
2018-03-15 15:27:31 -07:00
2014-04-02 19:58:53 +00:00
2017-11-16 21:07:40 -08:00

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
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