VCP RS485 mode

highimpedance · ‎2015-12-16

Posted on December 16, 2015 at 10:48

I am trying to make a USB-Serial converter. I need some help about communication via RS485. Device Manager properties of a serial converter different brand shows RS485 checkbox and works fine. But STM32 VCP doesn't show it. How can make it work, in driver level what should I do? I can send data with VCP com but I can't receive now.

#vcp-rs485

Tesla DeLorean · ‎2015-12-16

Posted on December 16, 2015 at 14:06

I'd look at the .INF and check what drivers and DLLs it might load, and if it sets any registry entries or provides a property sheet for the dialog.

You might also want to inspect the USB descriptors passed by this other device.

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xels · ‎2016-11-15

Posted on November 15, 2016 at 10:29

Hi

i know, this thread is very old.

Bute, i figure out the same problems at this time.

Is there any solution for this?

I need to set the virtual comport to use rs485, but in the new driver (new OS) there is no more this checkbox present.

thanks in advance