On Friday, 3. June 2011 13:45:11 Michael Plante wrote:
> libftdi detaches ftdi_sio so it can use libusb which uses usbfs.
> ftdi_usb_open_dev() calls libusb_detach_kernel_driver() in libftdi-1 and
> usb_detach_kernel_driver_np() in libftdi-0. Maybe the corresponding
> reattach call will help at the end of your program, after you close the
> device. Alternatively, I think there might be something you can do from
> the shell in /proc or /sys or something if you don't want to modify your
> code or if it crashes before it can clean up, but I don't remember what.
> ftdi_sio is responsible for /dev/ttyUSB* on ftdi devices.
Maybe Thomas Klose's new AUTO_DETACH_SIO_MODULE feature
might be of help here. I just forward-ported it to libftdi 1.x,
so it's now part of both libftdi git trees.
Cheers,
Thomas
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