Bulk USB transfers works with USB3.0 ports and not with USB2.0
Aymen JEBALI <[email protected]>
| Newsgroups | gmane.comp.lib.libusb.devel.windows |
|---|---|
| Message-ID | <CAPhd5yBjNoDCgGSuZmds1TEJjkuaRxQZuDL0S0krvKOQxTO1qg@mail.gmail.com> |
Hi All, I am developping an USB to I2C bridge using the SAM3U4E microcontroller. The USB communication works fine untill I used the USB isolator cable : https://iftools.com/isolator/isousbcable/index.en.php With this configuration I still have control transfers to work correctly but not the bulk transfers. But I noticed that the bulk transfers are working fine when I connect the USB cable to an USB3.0 port. but it fails with USB2.0. I am using the libusb-win32 APIs. The failure is always at usb_claim_interface: [12224] libusb0-dll:err [claim_interface] could not claim interface 0, invalid configuration 0 Could anyone please suggest a solution ? I upgraded to lubsubK drivers 3.0.7.0 but no success. Best regards, Aymen Jebali ------------------------------------------------------------------------------ Slashdot TV. Videos for Nerds. Stuff that Matters. http://pubads.g.doubleclick.net/gampad/clk?id=160591471&iu=/4140/ostg.clktrk _______________________________________________ Libusb-win32-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libusb-win32-devel