On Tue, 7 Jul 2009, Sylvain PORTES wrote: > >It would be easier for you if the different pairs of endpoints belonged > >to different interfaces. Can you change the device's firmware to > >accomplish this? > > You mean USB interfaces ? I mean "interface" as defined in Section 9.2.3 of the USB 2.0 specification, i.e., as in "interface descriptor". > If so, yes I could create two different interfaces but then I will > have to select one or the other, won't I ? No, you won't. Your driver will be asked to control each of the two interfaces, and each will be able to have its own character device file. > I guess I have to study deeper this way of seeing things. ( I wonder > if it is possible to access two different interfaces in the same time > ) Of course it is. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html