Re: Is libusb dead?

On Mon, 16 Apr 2007, Sarah Bailey wrote:

> usbfs2 will have asynchronous support for bulk, interrupt, and
> isochronous transfers.  It will also represent USB devices as several
> endpoint files in /dev that drivers can read and write to.  The project
> page for this is http://wiki.cs.pdx.edu/usb/usbfs2.html

Something I've meant to ask for a while...  What about things that apply
to an entire interface or device, as opposed to a single endpoint?

In addition to sending or cancelling URBs, usbfs allows users to:

	Issue a USB port reset to the device;

	Find out the name of the driver bound to an interface;

	Unbind a kernel driver from an interface;

	Find out the device's address and speed (although it doesn't
	distinguish between full and high);

	Change the altsetting for an interface;

	Change the device configuration;

	Claim (bind usbfs to) an interface;

	Release (unbind usbfs from) an interface.

Other things that might be nice but currently are not included are:

	Get the current frame number;

	Suspend the device's upstream port;

	Resume the device's upstream port.

How will usbfs2 address all these capabilities?

Alan Stern


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