Re: Read HID device's interrupt input in Mac OS X 10.2

• Subject: Re: Read HID device's interrupt input in Mac OS X 10.2
• From: David Ferguson <email@hidden>
• Date: Wed, 13 Apr 2005 20:56:22 -0700
• Delivered-to: email@hidden
• Delivered-to: email@hidden

David Ferguson
USB Software Team
Apple Computer

On 4/14/05, David Ferguson <email@hidden> wrote:

 Otherwise you might look at using a code-less kext to cause the HID driver
 not to match your device, then just create a user-client application to read
 from the interrupt pipe.  That seems like such a hack.    Do the right thing
 -- be class compliant!!

Does this hack work for devices that break the USB spec in some subtle way?

The reason I ask is that I am looking for a way to use the Polar IR
device (with the USB connector obviously).  Others have noted that it
does not comply with the USB specifications, but I'm not sure exactly
how.

Would a code-less kext be able to prevent Mac OS X from claiming it,
and allow a user-space program/thread to communicate with it?

Surely if MS Windows can load drivers for it, it couldn't break the
USB spec too severly??

Cheers,

Rob

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