OPENCORES.ORG

Hi Jorg,

The only issue is I don't believe Windows currently supports high speed 
audio devices: 
http://www.microsoft.com/whdc/device/audio/default.mspx

I would suggest you take a look at the USB implementers forum for prior 
postings relating to your question: 
http://www.usb.org/phpbb/viewforum.php?f=1

Regards,
Keith

----- Original Message ----- 
From: Rohit Mathur<rohitmathurs@h...> 
To: 
Date: Thu Oct 14 06:14:30 CEST 2004 
Subject: [usb] USB Bandwidth & Driver 

> Hi Jorg, 
> 
> I havent implemented this core, but I can answer your question in a 
> limited 
> way. 
> The project you have planned is very much possible using USB2.0. 
> For the 
> driver, you can use built-in USB audio class HID drivers provided 
> in windows 
> itself. You just have to report the descriptors appropriately from 
> hardware. 
> A suitable audio codec can be used to interface your digital data 
> to be 
> converted to analog and output to a speaker. The philips 1341 is a 
> good 
> stereo audio codec. You might have to develop its interfacing logic 
> within 
> your Spartan. 
> Hope this helps, 
> Regards 
> Rohit 
> ----- Original Message ----- 
> From: <joerg.wille@j...> 
> To: <usb@o...> 
> Sent: 13 October 2004 22:07 
> Subject: [usb] USB Bandwidth & Driver 
> Hi, 
> I just found this USB project on opencores 
> and I got some important questions. 
> - Has anyone implemented this core on a Spartan II 
>  (I use the development board for now) and made 
>  bandwidth-messuring for "real-life" application? 
>  (I plan to read/write 8 Channel of Audio 24Bit@96Khz) 
>  Would this be possible? 
> - Is there a starting point for programming a windows 
>  device driver for the USB part? Has anyone already 
>  developed one, is there maybe source-code for it 
>  or can someone at least give me ideas what I 
>  have to consider. 
> - Can I find the scematics how to connect to the PHY 
>  somewhere? 
> Thanks, Jörg. 
> _______________________________________________ 
> http://www.opencores.org/mailman/listinfo/usb 
> 
>