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USB Power Delivery protocol
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This directory contains captures of data communication on the Control Channels
of Type-C USB connectors using the USB Power Delivery protocol.
Details:
http://www.usb.org/developers/powerdelivery/
Logic analyzer setup
--------------------
A 'Twinkie' USB type-C interposer was used to capture the communication
on the CCx pins:
Probe Signal
-----------------
CC1 Control Channel 1
CC2 Control Channel 2
The type-C connectors are reversible, so the actual communication might
happen on CC1 or CC2 depending the polarity of the plug inside the receptacle.
Data
----
Captured between a Google Pixel 2015 laptop and both its 5V/12V/20V power
supply and an USB-C to HDMI video dongle.
The sigrok command lines used were:
sigrok-cli -d chromium-twinkie --continuous -o power_supply_20V.sr
sigrok-cli -d chromium-twinkie --continuous -o hdmi_dongle.sr
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