USB CDC+CDC Composite device example

Edward Chang

Intellectual 1630 points

Other Parts Discussed in Thread: EK-TM4C123GXL

Hi,

Do we have USB CDC+CDC Composite device example? If not, how to add extra one to usb_dev_serial example?

Regards,

Edward

over 9 years ago

0 Amit Ashara over 9 years ago

TI__Guru**** 244440 points

Hello Edward

Which device are you targetting?

0 Edward Chang over 9 years ago in reply to Amit Ashara

TI__Intellectual 1630 points

Hi Amit,

I would like to evaluate this function on EK-TM4C123GXL EVM board.

Regards,
Edward

0 Amit Ashara over 9 years ago in reply to Edward Chang

TI__Guru**** 244440 points

Hello Edward

Thanks for the information. A composite device is when two or more different functions are added to the same physical device. As I see you require a composite which has USB CDC class and another class. Can you specify which is the other class of the device that you are looking for.

A USB composite device on EK-TM4C123GXL has not been attempted yet as part of TivaWare, so it would need to be done from scratch. Of course we can help you build it, but first we would need clarity on the device classes that need to be supported.

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USB CDC+CDC Composite device example