USB Type C - advertising a custom SVID on OM13588

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USB Type C - advertising a custom SVID on OM13588

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alexfeinman1
Contributor I

Asking this again, since in 3 weeks no one has responded

The USB PD library provided for K22/PTN5010 used with Kinetis MCUs (OM13588 board) is not documented at all. The code is vast and not very inviting. I need to know how to implement support for a custom SVID aka user alternate mode. I need it to be autonegotiated (PTN5010 is a sink that advertises a user alternate mode).

 

Thank you

Alex

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3 Replies

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benolayinka
Contributor II

finding the same thing here - zero documentation for the om13790 pd sdk. painful. crawling through examples to figure out how to do basic stuff.

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Alexis_A
NXP TechSupport
NXP TechSupport

Dear Alex Freinman,

Sorry for the late replay.

Unfortunately, only the OM13790 - HOST supports the alt mode.

OM13790: USB Type-C Shield Board Gen 2 | NXP 

The demo is usb_pd_alt_mode_dp_host, you can find it in the SDK of the OM13790 board.

Best Regards,

Alexis Andalon

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alexfeinman1
Contributor I

Well, yes and no. Indeed the OM13588 board won't have any DP connectivity or circuitry, but it should still be able to negotiate an alternate mode. You make a good point about the OM13790 SDK - there is a DP sample in it. However it would be even more helpful to see a user alternate mode sample. In the meantime I will be looking at this SDK.

Thank you

Alex

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