diff options
| author | Vincent Palatin <vpalatin@chromium.org> | 2015-11-11 17:48:23 -0800 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2015-11-21 19:24:55 +0100 |
| commit | bc21739c3a97eabc276949a5acb7fbe99b654b96 (patch) | |
| tree | 4c41ba928198ddf749fe090bbad1afa905229861 /usb_power_delivery/pixel_2015 | |
| parent | e5ba2b42b75a0d2874afdc7ad0877cef90860bb8 (diff) | |
| download | sigrok-dumps-bc21739c3a97eabc276949a5acb7fbe99b654b96.tar.gz sigrok-dumps-bc21739c3a97eabc276949a5acb7fbe99b654b96.zip | |
usb_power_delivery: Add USB PD dumps
USB Power Delivery exchanges captures on the Control Channels of the USB Type-C
ports of the Apple Macbook 2015 and the Google Pixel 2015 along with their
Type-C power supplies and HDMI video dongles.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'usb_power_delivery/pixel_2015')
| -rw-r--r-- | usb_power_delivery/pixel_2015/README | 36 | ||||
| -rw-r--r-- | usb_power_delivery/pixel_2015/hdmi_dongle.sr | bin | 0 -> 18021 bytes | |||
| -rw-r--r-- | usb_power_delivery/pixel_2015/power_supply_20V.sr | bin | 0 -> 29606 bytes |
3 files changed, 36 insertions, 0 deletions
diff --git a/usb_power_delivery/pixel_2015/README b/usb_power_delivery/pixel_2015/README new file mode 100644 index 0000000..42c6593 --- /dev/null +++ b/usb_power_delivery/pixel_2015/README @@ -0,0 +1,36 @@ +------------------------------------------------------------------------------- +USB Power Delivery protocol +------------------------------------------------------------------------------- + +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/12/V/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 + diff --git a/usb_power_delivery/pixel_2015/hdmi_dongle.sr b/usb_power_delivery/pixel_2015/hdmi_dongle.sr Binary files differnew file mode 100644 index 0000000..dd45ecb --- /dev/null +++ b/usb_power_delivery/pixel_2015/hdmi_dongle.sr diff --git a/usb_power_delivery/pixel_2015/power_supply_20V.sr b/usb_power_delivery/pixel_2015/power_supply_20V.sr Binary files differnew file mode 100644 index 0000000..83a2cce --- /dev/null +++ b/usb_power_delivery/pixel_2015/power_supply_20V.sr |