On Mon, Jun 22, 2009 at 11:55 PM, Gene Smith<g...@chartertn.net> wrote:
>> Have you tried the following method?
>>
>> Run cmd.exe as admin (under Vista) and
>> D:\libusb-win32-device-bin-0.1.12.1\bin>c:\windows\sys tem32\rundll32
>> libusb0.dll,usb_install_driver_np_rundll olimex.inf
>>
>
> Unfortunately, at least on my XP setup, this does not survive a reboot.
> When I plug in USB after a reboot, it asks me again to install the
> proprietary olimex drivers from CD and the libusb-win32 driver does not
> appear in hardware mgr. If I redo the above command libusb driver comes
> back and XP stops asking me to install drivers on usb pull/plug (until
> the next reboot).

That is a bit strange.

> As I mentioned before, installing the libusb driver with the "update
> driver" right click dialogs never works for me. If it did, maybe it
> would be permanent?

In my experiences, both will be permanent if they work. For me the
console version always works. The manual method sometime does
not work.

Take note the major reason is that the FTDI driver is WHQL. Windows
will favor the WHQL driver over other alternative 3rd party driver. This is
a significant disadvantage of using libusb-win32 for any device which
has already a built-in driver (say HID or USB mass storage or similar)
or a 3rd party WHQL driver.


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