Topic: USB Driver development

Hello!

Im long time happy RME user from DIGI96 to UFX. And i have a bit strange question to ask developers smile

Is the RME usb driver based on usb-audio Class 2 (or class1) protocol? Or it uses full custom protocol with no any parts from standard usb-audio?

Thank you!

2

Re: USB Driver development

Fully custom.

Regards
Matthias Carstens
RME

Re: USB Driver development

Thanks!

Re: USB Driver development

One more question smile

Is driver works with bulk data transfer, or it uses isochronous data transfer?


And what requirements to using usb cable with RME devices? Something special?

Thank you!

Re: USB Driver development

There is no general answer to your question. We use Bulk, Interrupt or Isochronous transfers. The UFX+ for example can do both, Bulk or Isochronous transfers. You can choose what works best for you

Re: USB Driver development

Tnx for answer!

uwekirst wrote:

The UFX+ for example can do both, Bulk or Isochronous transfers. You can choose what works best for you

Just read fast UFX+ manual, and have no answer - how i can choose it?

And what abouit UFX - it has no choice?

7

Re: USB Driver development

You select the mode in the Settings dialog. The UFX has no choice.

Regards
Matthias Carstens
RME

Re: USB Driver development

MC wrote:

You select the mode in the Settings dialog.

Cant find this option...


https://image.ibb.co/jhOCPR/ufx.jpg

9

Re: USB Driver development

Well, if you don't understand 'Iso Streaming' then the manual willl tell you that this activates isochronous recording instead of bulk mode.

And really, all these questions make zero sense so far.

Regards
Matthias Carstens
RME

Re: USB Driver development

MC wrote:

'Iso Streaming'

Thank you!