On Tuesday, 5. October 2010 14:35:25 Thomas Klose wrote:
> If I open a ftdi device in an instance of our application it seems not
> to be claimed for exclusive access. A second instance of the application
> can "steal" the device later.
>
> I found in the sources of libftdi that the libusb function
> usb_claim_interface() is called correctly by ftdi_usb_open_dev(). It was
> my understanding that usb_claim_interface() marks the device to be "in
> use" and a second call would result in an appropriate error.
Well, the function does what it's named after: Claim the device, no matter
who is currently using it: Kernel driver or another libftdi instance.
Cheers,
Thomas
--
libftdi - see http://www.intra2net.com/en/developer/libftdi for details.
To unsubscribe send a mail to libftdi+unsubscribe@xxxxxxxxxxxxxxxxxxxxxxx
|
