Re: [pyusb-users] usb.core.find()

[chris c. <cl...@gm...>]

On Wed, Aug 17, 2011 at 9:43 PM, Xiaofan Chen <xia...@gm...> wrote:
> On Thu, Aug 18, 2011 at 12:29 PM, chris clark <cl...@gm...> wrote:
>> the libusb mailing list is probably the best place to ask questions on
>> it rather than PyUSB. However I've some rough notes that I wrote for
>> my project at http://code.google.com/p/dava33display/wiki/PythonVersion
>> . I have to confess, I'm a complete newbie with both libusb and PyUSB
>> so I don't really know what I'm doing either but I managed to get
>> lucky with my device under Windows :-)
>>
>> Linux is a lot easier to get going.
>>
>
> It depends on how you look at it. Yes Linux is probably the easiest
> to use when it comes to libusb since there is a generic USB kernel
> driver (called usbfs). When there is no other kernel driver active
> for a USB device, or you detach the original kernel driver, then usbfs
> driver will be attached to the device and you can use libusb.
>
> For Windows, there is no generic USB drivers like usbfs. So you
> have to use WinUSB or libusb-win32 driver so that you can use
> libusb-1.0 Windows or libusb-win32 backend of pyusb.
>
> For Mac OS X, it is more difficult if there are existing drivers
> attached to the device.


Thanks Xiaofan! Great explanation. That filled in a few blanks.

Chris