[wdmaudiodev] Re: USB Audio Using Interrupt Transfers
- From: Udo Eberhardt <Udo.Eb@xxxxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Wed, 18 Jun 2003 17:58:42 +0200
You have to write a kernel streaming driver that talks to your device in
the way your device supports it.
For an introduction you can refer to
https://www.microsoft.com/whdc/hwdev/tech/audio/wdmaudio.mspx
Udo Eberhardt
Thesycon GmbH
vrf wrote:
> Dear all,
>
> I have a motorola usb module (MC68HC908JB8/MC68HC08JB8/MC68HC08JT8-Rev.
> 2.0).
> Now I need to develop a USB Audio device using it. And the device should
> be able to be used by Windows Sound Recorder or NetMeeting as a system
> sound device.
> As you know, it only supports interrupt transfers. And it has 3
> endpoints including control endpoint. Endpoint 1 just has input
> direction through which I need to implement a keyboard. Thus ep2 is the
> only choice to transfer audio data. How could I implement my project?
>
> I think there may be two methods:
>
> Method One:
> Describe USB as Audio using interrupt transfers
> then, on Host side
> CreateFile(Open Device)----->My USBAudio.sys
> Method two:
> Describe USB as Audio with Isochronous transfers
> then, on Host side
> CreateFile -----> USBAudio.sys (generic driver supplied by
> Microsoft) -----> My Filter Driver
> Which solution is good, or there is another better one?
>
> Any advices are very appreciated!
>
> Best Regards!
>
> vrf
> 2003-06-17
******************
WDMAUDIODEV addresses:
Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx
Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe
Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe
Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx
URL to WDMAUDIODEV page:
http://www.wdmaudiodev.de/
Other related posts:
