I didn't realize there was a USB mailing list. Thanks for the info. I solved my
own problem. The second parameter needed to be a 1 for write, not a 2 (which is
for a read).
--- On Fri, 1/30/09, Dave Camp <d...@thinbits.com> wrote:
> From: Dave Camp <d...@thinbits.com>
> Subject: Re: WritePipeAsync returns error code e00002c2 (Bad Argument)
> To: howlew...@yahoo.com
> Date: Friday, January 30, 2009, 12:22 PM
> If it's a USB question, you should probably ask it on
> the USB mailing list...
>
> Dave
>
> On Jan 30, 2009, at 12:02 PM, Ian was here wrote:
>
> > For some reasom when I call WritePipeAsync(), I get
> error code e0002c2 (kIOReturnBadArgument). I Googled the
> heck out of it and haven't found any similar issues. If
> I use WritePipe(), it works great. Here is my code:
> >
> >
> > char gBuffer[64] = {0};
> >
> > gBuffer[0] = 1;
> > gBuffer[1] = 1;
> > gBuffer[2] = 's';
> >
> > IOReturn kr =
> (*interface)->WritePipeAsync(interface, 2, gBuffer,
> sizeof(gBuffer),
> (IOAsyncCallback1)WriteCompletion, (void *)interface);
> >
> >
> > Note: this is taken from Apple's USB sample code.
> >
> >
> >
> > _______________________________________________
> >
> > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)
> >
> > Please do not post admin requests or moderator
> comments to the list.
> > Contact the moderators at
> cocoa-dev-admins(at)lists.apple.com
> >
> > Help/Unsubscribe/Update your Subscription:
> >
> http://lists.apple.com/mailman/options/cocoa-dev/dave%40thinbits.com
> >
> > This email sent to d...@thinbits.com
_______________________________________________
Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com
This email sent to arch...@mail-archive.com
