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c8d7462fcf
Add commands to send PD packets and to tweak individual parameters (TX clock frequency, RX detection threshold, resistors on CCx). Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BRANCH=none BUG=chrome-os-partner:28337 TEST=verify that the PD sniffing is still working by dumping traffic between Zinger and Samus. Connect Twinkie to Zinger, set Rd by using "tw res NONE RD" and see VBUS going to 5V (reading it using "ina 0"). Send a BIST mode 2 request using the following command : tw send 2 0x1043 50000000 and see the other end starting sending BIST. Change-Id: I3c8ddf858435ac1c17a43f59351bbaa69603a209 Reviewed-on: https://chromium-review.googlesource.com/227778 Reviewed-by: Todd Broch <tbroch@chromium.org> Commit-Queue: Vincent Palatin <vpalatin@chromium.org> Tested-by: Vincent Palatin <vpalatin@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit