Virtual USB hub?

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Paul
Posts: 5
Joined: Tue Oct 25, 2016 2:06 pm

Virtual USB hub?

Post by Paul » Fri Feb 24, 2017 2:52 am

I had an idea for a blue pill project which would require emulating two or more USB ports. I think I could do this with a composite device but I've been told that the Windows CDC driver won't talk to it - and I really don't want to have to write a Windows driver.

It occurred to me that if I could make it look like a USB hub with two serial ports connected the Windows driver would work. Before I spend a long time with USB and STM32F103 documentation (or give up on the project) can anyone tell me if this is even possible?

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