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USB Superspeed Peripherals

VlKh_2251656
Contributor II

Good Day

We use a "Debebola" debug board.

We added functionality - control of the brightness of the connected LED (using the PWM with one of the chip outputs).

Please, tell me, is it possible to add the properties pin "lighting brightness control" in the menu of standard pins of the media player settings? Or something others?

Many Thanks.

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1 Solution
abhinavg_21
Moderator
Moderator

Hi,

The correct way of adding control to UVC device is to make use of extension unit descriptor.

Please check AN75779 app note to know how to use it.

https://www.cypress.com/documentation/application-notes/an75779-how-implement-image-sensor-interface...

Thanks & Regards
Abhinav Garg

View solution in original post

7 Replies
jingc_3301211
New Contributor II

Processing Unit Descriptor

there are many slide bar you can use, pick one that not used to control led brightness.

VlKh_2251656
Contributor II

Yes, but is not right method...

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VlKh_2251656
Contributor II

It's not a native right method...

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abhinavg_21
Moderator
Moderator

Hi,

The correct way of adding control to UVC device is to make use of extension unit descriptor.

Please check AN75779 app note to know how to use it.

https://www.cypress.com/documentation/application-notes/an75779-how-implement-image-sensor-interface...

Thanks & Regards
Abhinav Garg

View solution in original post

VlKh_2251656
Contributor II

Vany thanks!

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VlKh_2251656
Contributor II

Please, tell me, which paragraph in document?

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abhinavg_21
Moderator
Moderator

Hi,

Not in document. You have to see the descriptors and the handling of extension unit event call in the source firmware.

Thanks & Regards
Abhinav

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