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pdeval-stm32f072: Document pd swap commands

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Change-Id: I711c89d47e613c6a15531d3b751cb01f5acb4225
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/303935
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Shawn N <shawnn@chromium.org>
This commit is contained in:
Shawn Nematbakhsh
2015-10-02 17:03:01 -07:00
committed by chrome-bot
parent 939d07fc4e
commit e498de6ad6
1 changed files with 4 additions and 2 deletions
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board/pdeval-stm32f072/PD_evaluation.md
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@@ -76,8 +76,10 @@ EC command line commands
- `help` List all available EC console commands
- `vbus` Toggle VBUS on/off
- `pd <port> state` Print PD protocol state information
- `i2cscan` Scan i2c bus for any responsive devices
- `i2cxfer` Perform an i2c transaction
- `pd <port> swap data` Request data role swap on port
- `pd <port> swap power` Request power role swap on port
- `i2cscan` Scan i2c bus for any responsive devices
- `i2cxfer` Perform an i2c transaction
On the console, you will the PD state machine transitioning through its states with traces like `C0 st5`.
You can always the human readable name of the current state by doing `pd 0 state` returning something like :