[wdmaudiodev] Re: Sending Vendor Specific Commands to USB devices
- From: Tim Roberts <timr@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Fri, 15 Jun 2007 10:59:30 -0700
Perry, Chris wrote:
> Tim,
>
> I'm not sure I agree with you on this one. Doesn't the answer depend on
> the way the vendor implemented their custom commands?
>
> For instance I have implemented a control point in USB firmware to accept
> custom commands and an interrupt endpoint to send back custom events and
> all I have to do from the Windows side is open the USB device and issue
> read and write commands.
>
The key phrase in your reply is "open the USB device". You must have a
custom driver that you control, so that you could add ioctls to issue
the read and write commands. KS said that he is using stock Microsoft
drivers. The stock drivers do not expose any general purpose "vendor
command" ioctls.
--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.
******************
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.com/
Other related posts:
