On Tue, Jun 16, 2009 at 12:48 AM, Orin Eman<orin.e...@gmail.com> wrote:

> Unfortunately, you need an inf file to associate the winusb driver with your
> device's vid/pid and that too needs signing.  In theory, there is a special
> WHQL submission for this, "Driver Update Acceptable" where you don't have to
> run through the full tests... but that's not relevant here since no-one is
> going to pay for it.  The company I work for had to do a WHQL of submission
> for a USB device that is supported in the box on Vista just because our
> device had a different vid/pid.
>
> For a non-WHQL driver, I'll have to check if a self-signed certificate
> installed in both the trusted root and trusted publisher physical stores
> works without setting "Test Sign" mode... I don't recall if it did since I
> switched to using a real SPC in the driver work I've been doing.
>

For WHQL you are right, a different INF file will need a new WHQL
process. But here we are not talking about WHQL but rather install
the driver.

As I read, if libusb-win32's WinUSB backend is working, then you can
use WinUSB as the driver and install it under Vista 64. There will be
a warning but you can install it even if the VID/PID combination has
not go through the WHQL process.


-- 
Xiaofan http://mcuee.blogspot.com
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