Files
OpenCellular/extra/usb_gpio
Anton Staaf c9e71277b4 discovery-stm32f072: discovery USB GPIO test
Wire up the discovery's four LEDs and one user
button as GPIOs that can be written and read using
the new USB GPIO driver.  This also adds an extra
tool called usb_gpio that provides control of GPIOs
from the linux command line.

Signed-off-by: Anton Staaf <robotboy@chromium.org>

BRANCH=None
BUG=None
TEST=cd board/discovery-stm32f072 ; make flash
     cd extra/usb_gpio ; make
     usb_gpio write 0x1e 0x00

Change-Id: I15115f82b15b6c35d1a34b83b7114a6bfa6a3d67
Reviewed-on: https://chromium-review.googlesource.com/218270
Reviewed-by: Anton Staaf <robotboy@chromium.org>
Commit-Queue: Anton Staaf <robotboy@chromium.org>
Tested-by: Anton Staaf <robotboy@chromium.org>
2014-10-14 23:59:15 +00:00
..