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Rajesh Raturi
Associate II
December 13, 2021
Question

Is it possible to create multiple virtual COM ports using one USB?

  • December 13, 2021
  • 5 replies
  • 1810 views

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5 replies

Pavel A.
Super User
December 13, 2021

Yes, possible

Rajesh Raturi
Associate II
December 13, 2021

Thanks.

Please guide me or share some material

Muhammed Güler
Senior III
December 13, 2021

I think you are trying to make a "USB composite device application". It's a place to start, even if it's not exactly what you want.

https://programmerall.com/article/97601906547/

TDK
Super User
December 13, 2021

There are many hits on Google for "stm32 composite usb device". Here is one:

https://github.com/GaryLee/stm32f103_dual_vcp

"If you feel a post has answered your question, please click ""Accept as Solution""."
Rajesh Raturi
Associate II
December 14, 2021

I am using threadX. Is it the same way to do in that