On Wed, Jul 30, 2014 at 5:28 AM, Bob Tausworthe <t...@sentons.com> wrote: > Sorry to trouble you but I've exhausted other options. We are developing a > composite HID/debug interace device and are using libusb 1.0 under 32 bit > Cygwin to access the debug interface portion. Everything is working fine on > Windows 7 and Linux but when we try to run the application on Windows 8, it > fails with the error : > > libusb: debug [unsupported_open] unsupported API call for 'open' > (unrecognized device driver) > libusb: debug [libusb_open] open 2.16 returns -12 > ERROR: Unable to open usb device > > After reading some posts of people with similar issues, I tried all of the > drivers Zadig supports but didn't see any difference in behavior. I have > tried building under Win7 and Win8 but the results are the same. I am using > version 1.0.18 of libusb. The trace below was taken with the WinUSB driver > version 6.1.7600.16385. >
libusbx is no longer been updated since it has merged back to libusb. You should try libusb-1.0.19 first to see if that helps. http://sourceforge.net/projects/libusb/files/libusb-1.0/ -- Xiaofan ------------------------------------------------------------------------------ Infragistics Professional Build stunning WinForms apps today! Reboot your WinForms applications with our WinForms controls. Build a bridge from your legacy apps to the future. http://pubads.g.doubleclick.net/gampad/clk?id=153845071&iu=/4140/ostg.clktrk _______________________________________________ libusbx-devel mailing list libusbx-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libusbx-devel
